OM BHH edit.pdf

Y BAN NHN DN THNH PH H CH MINH

CNG TY TRCH NHIM HU HN MT THNH VIN THOT NC TH TP.HCM

QUY TRNH VN HNH, BO TR, BO DNG

NH MY X L NC THI BNH HNG HA

CH S HU N V LP

TRUNG TM IU HNH CHNG TRNH CHNG NGP NC

THNH PH

CNG TY THHH MT THNH VIN THOT NC TH

THNH PH

I. GII THIU V NH MY X L NC THI BNH HNG HA

Nh my x l nc thi Bnh Hng Ha nm trn a bn phng Bnh Hng Ha A, Qun Bnh Tn, c xy dng trn c s hp tc gia hai chnh ph Vit Nam v Vng quc B (thuc d n nng cp th v lm sch knh Tn Ha L Gm giai on m rng;

Ranh gii Nh my XLNT Bnh Hng Ha:

+ Pha Bc gip vi ngha trang Bnh Hng Ha.

+ Pha Ty gip vi khu ti nh c v khu dn c.

+ Pha ng gip vi knh en.

+ Pha Nam gip vi khu dn c.

V tr trn bn thnh ph

Hnh Nh my XLNT Bnh Hng Ha:

Cng trnh c khi cng t 08/2004 n 30/03/2006 bt u vn hnh th ti v chnh thc i vo vn hnh t thng 06/2006.

Nh my thu gom v x l 60 80% nc thi ca lu vc thng ngun Knh Nc en (mt phn Qun Bnh Tn v mt phn Qun Tn Ph). Mc d c thit k x l nc thi sinh hot tuy nhin trong khu vc thu gom nc thi v nh my c nhiu c s sn xut tiu th cng nghip c kh, xi m, nhum, thuc da v cc dch v ra xe vi thnh phn nc thi rt phc tp, c bit c cha nhiu cht ty ra b mt.

Nh my x l nc thi Bnh Hng Ha p dng cng ngh h sc kh v h n nh nc thi vi cng sut thit k l 30.000m3/ngy vi cc thng s thit k nh sau:

STT Ch tiu n v u vo u ra

1 Cht rn l lng (SS) mg/l 150 100

2 Nhu cu oxy ha sinh hc (BOD5)

mg/l 160 50

3 Nhu cu oxy ha ha hc mg/l 300 100

1. M T CC HNG MC CHC NNG:

S mt bng nh my x l nc thi Bnh Hng Ha

Sn phi bn

1.1. Cm cng trnh ly nc:

Cm cng trnh ly nc vo nh my bao gm: cng dn dng vo nh my, song chn rc th (ng Knh nc en bn ngoi nh my), trm bm vi 3 bm trc vt c cng sut 177l/s (2 vn hnh, 1 d phng), song chn rc tinh, hai knh lng ct (c h thng ht ct t ng v vt ti ct) v mng chia nc vi thit b o lu lng u vo.

Chc nng ca cm cng trnh ly nc l dn nc thi t tuyn cng ngoi ng Knh nc en vo nh my, lc rc, bm nc thi ln cao c th t chy vo h thng cc cng trnh x l, loi b ct v cc ht c kch thc ln, chia nc vo 2 h sc kh (quyt nh vic vn hnh h thng song song hoc ni tip) v o lu lng nc thi u vo ca nh my.

1.2. H sc kh (A1, A2):

C 2 h sc kh (mi h cho 1 n nguyn), mi h c 8 thit b sc kh b mt. Cao mc nc nh l 3,23m v chiu su mc nc l 4m; din tch mi h sc kh khong 1,485ha; th tch cha nc mi h khong 5.950m3.

Chc nng ca h sc kh l cung cp Oxy cho cc vi sinh vt Oxy ha cc cht hu c trong nc thi.

1.3. H lng (S1, S2):

C 2 h lng (mi h cho 1 n nguyn), cao mc nc nh l 2,98m v chiu su ca lp nc l 4,0m din tch mi h l 0,94ha.

Chc nng ca h lng l lng cc cht rn l lng (bn hot tnh v cc cht rn l lng khc trong nc thi);

1.4. H hon thin (M1.1, M1.2, M1.3 v M2.1, M2.2, M2.3)

C 6 h hon thin (3 h ni tip cho mt n nguyn x l). Cao mc nc nh ln lt l 2,73 - 2,48 - 2,23 tng ng cho mi n nguyn v chiu su ca lp nc trong h hon thin l 1,5m vi din tch khong 2,4 ha cho h th nht, 2,5ha cho h th hai v 3,3ha cho h cui cng.

1.5. Sn phi bn

C 1 sn phi bn nm xem gia khu vc h sc kh v h lng c chc nng phi kh bn bm ln t hai h lng S1 v S2 trc khi vn chuyn n bi .

2. QUY TRNH X L NC THI:

III. GII THIU V THIET B O

1. Giao dien :

2.1. Quy trnh x l nc thi:

Nc thi t h thng cng ngoi ng Knh nc en c dn vo nh my qua song chc rc th s c bm vo h thng, nc thi chy qua song chn rc tinh trc khi i vo hai knh lng ct. Ti knh lng ct s c h thng cu cng tc thng xuyn ht ct ln v 2 thit b vt ti ct c chc nng loi b ct ra khi nc thi. Rc trn cc song chn rc v ct c loi b s c nhn vin vn hnh v sinh thng xuyn.

Nc sau khi i qua knh lng ct c th c vn hnh song song hoc ni tip, vic phn chia lu lng, quyt nh phng thc vn hnh ni tip hoc song song ph thuc vo cht lng nc v hiu qu quy trnh x l. i vi vn hnh song song, ca chia nc s phn phi vo hai h sc. i vi vn hnh ni tip th tt c lu lng u vo c phn phi vo h sc kh th nht (A1) sau chy qua h sc kh th hai (A2). S phn chia lu lng s c phn chia sau h sc kh th hai.

S lng thit b sc kh cho cc h ti bt k thi gian no s ph thuc vo nng xy trong h sc kh. Gi tr DO s c o 2 ln trong ngy ti cc thi im khc nhau trong dy chuyn x l. Gi tr DO trong cc h sc kh thng thng nn duy tr t 2 n 4mg/l, y l thng s c bn nn xem xt trong quy trnh x l, ngoi ra cc thng s khc cng nh hng n quy trnh ny nh, nng kim loi nng do nc thi cng nghip, nhit , pH ca dng vo u nh hng n nhu cu oxy v kt qu nng oxy trong nc. Nhn vin vn hnh cn lu n cc thay i ny khi quyt nh thay i s lng thit b sc kh vn hnh.

Sn

phi

bn

Mng Cipolletty

Nc tch ct, bn

Vn

chuyn

ni

khc

Ch thch :

ng nc

ng bn, ct

ng rc thi

ng kh

2.1.1. S cng ngh vn hnh song song:

Knh en

H thu-Trm bm

Knh lng ct

H thng chia dng

H sc kh A1 H sc kh A2

H lng S1 H lng S2

H hon thin M1.2

H hon thin M2.1 H hon thin M1.1

H hon thin M2.2


Ca thu nc, SCR th

SCR

Knh en

Knh lng ct

Thu gom rc thi

My

sc

kh

My

sc

kh

Knh tch ct

Sn

phi

bn

Mng Cipolletty

Nc tch ct, bn

Vn

chuyn

ni

khc

Ch thch :

ng nc

ng bn, ct

ng rc thi

ng kh

2.1.2 S cng ngh vn hnh ni tip:

Knh en

H thu-Trm bm

Knh lng ct

H thng chia dng

H sc kh A1

H sc kh A2

H lng S1 H lng S2

H hon thin M1.2


H hon thin M2.2


Ca thu nc, SCR th

SCR

Knh en

Knh lng ct

Thu gom rc thi

My

sc

kh

My

sc

kh

Knh tch ct

2.2 Qun l bn:

Bn hot tnh dng l lng trong h sc kh s c lng khi dng chy i vo h lng (S1 v S2). Lng bn c tnh khong 650tn/nm, tng ng 30m3 bn lng/ngy. Khong 6 thng vn hnh lin tc chiu dy lp bn trong h lng tch ly di y khong 30cm.

Hng thng nhn vin vn hnh phi tin hnh o kim tra mc bi lng bn ti hai h lng.

Hng nm vo ma kh nu lng bn tch ly trung bnh ln hn 50cm th phi tin hnh ht bn t 2 h lng ln sn phi bn. Bn s c lm kh sn phi bn trong thi gian khong 10 tun sau s c vn chuyn n bi theo quy nh.

3. VN HNH THIT B:

3.1. H thng iu khin trung tm:

a. Khi ng Mn Hnh: Sau khi cp ngun cho h thng, mn hnh s nhn dng usb logging d liu. Qu trnh nhn dng usb mt khong 2 3 pht ty thuc vo dung lng ca usb,sau mn hnh s boot vo mn hnh Trang Ch. Nu cha cm usb th nhn nt Ignore mn hnh s tip tc boot vo mn hnh Trang Ch. Ch :

Khi nhn nt Ignore mn hnh s khng loggin d liu v cc trang th s khng hin th.

Mn hnh h tr usb ti a 2GB.

b. Trang Mn hnh ch: Mn hnh ny cho php gim st trc quan trng thi hot ng ca 24 thit b.

Khi thit b dng s hin th mu , khi thit b chy s hin th mu xanh v khi

thit b b li do qu nhit hay qu ti th hin th mu vng nhp nhy. xem chi tit tng thit b, ngi dng c th nhn vo biu tng ca thit b trn mn hnh.

ng thi mn hnh cng hin th mc nc u vo hin ti v lu lng tng ca

tng knh 1 v 2.

Dng ch hin th cui mn hnh cho bit thng tin s kin hin ti chy, dng v li ca cc thit b. Dng ch ny s thay i lun phin lt qua tng s kin vi chu k 1s v c hin th tt c cc trang mn hnh. xem chi tit tt c s kin ny ngi dng c th vo trang Bo ng bng cch nhn nt Bo ng nm trong dy nt bo ng trn v bn tri mn hnh.

Cc nt pha trn v bn tri mn hnh iu hng n tng trang mn hnh vi

chc nng khc nhau nh sau:

Trng thi thit b: n trang mn hnh hin th trng thi ca thit b theo

dng danh sch. Bm trc vt: n trang mn hnh gim st v ci t ch iu khin t

ng cho 3 bm trc vt. Gim st in nng: n trang mn hnh gim st dng, p, cng sut tng

pha v in nng tiu th tng. Mc nc u vo: n trang mn hnh biu mc nc u vo Lu lng u vo: n trang mn hnh hin th lu lng u vo ca

tng knh theo ngy, thng v tng. Bo ng: n trang mn hnh hin th cc s kin ang din ra hin ti S kin: n trang mn hnh hin th danh sch cc s kin xy ra

hin ti v qu kh. Ci t: n trang mn hnh ci t cc thng s ca h thng

c. Mn Hnh Trng Thi Thit B: Trang ny hin th trng thi hot ng ca 24 thit b theo dng danh sch

Khi thit b dng s hin th mu ,

Khi thit b chy s hin th mu xanh Khi thit b b li do qu nhit hay qu ti th hin th mu vng nhp nhy.

xem chi tit tng thit b, ngi dng c th nhn vo cc nt n tng ng

thit b trn mn hnh. Bn cnh cc n l s gi v s pht chy tng ng ca thit b tnh cho ln

chy hin ti.

Bn di mn hnh l cc nt chuyn hng n cc trang mn hnh khc. Nhn

nt Trang Ch tr v mn hnh chnh.

d. Mn Hnh Bm Trc Vt: Mn hnh ny gim st trng thi v ci t ch chy t ng ca 3 bm trc vt.

n hin th trng thi ca bm: mu khi bm

dng, mu xanh bm ang chy v mu vng khi bm b li khi qu nhit hay qu ti.

n hin th ch

hot ng ca bm. Bm chy theo 2 ch :

ch tay: bm chy v tt theo cc nt nhn ti t iu khin bn ngoi.

ch t ng: bm chy theo hai mc nc c ci t: mc cao v mc

thp. Cng vi th t u tin ca 3 bm c ci t nh sau:

Khi mc nc thp hn so vi mc nc thp c ci t mt khong bng

tr th bm u tin 1 s chy.

Khi mc nc ln hn mc nc thp c ci t v nh hn mc nc cao

c ci t mt khong bng tr th bm u tin 1 v bm u tin 2 s chy.

Khi mc nc ln hn mc nc cao c ci t mt khong bng tr th 3

bm cng chy.

Ti cc khong tr trn v di cc mc t th trng thi ca cc bm s

c duy tr.

V d: mc nc hin ti thp hn so vi mc nc ci t v bm 1 ci t u tin

1, bm 2 c ci t u tin 2. Ti mc ny bm 1 s c cho chy v bm 2 tt. Bm

2 ch c cho chy khi bm 2 dng ln cao hn so vi mc nc thp ci t mt

khong bng tr v ch c tt tr li khi mc nc h xung thp hn so vi mc

thp ci t mt khong bng tr.

Mc u tin ca 3 bm s c t ng thay i lun phin sau 24h.

V d: Mc u tin hin ti l bm 1 u tin 1, bm 2 u tin 2, bm 3 u tin 3 th

sau 24h s c chuyn thnh: bm 2 u tin 1, bm 2 u tin 2 v bm 1 u tin 3.

Th t u tin ca cc bm s c hin th thng qua 3 n nh hnh bn di.

n ca bm u tin 1 s c bt v cc n bm cn li s tt.

Ngoi ra, khi bm chnh b li h thng s t ng chuyn u tin cho bm c cp

u tin tip theo.

V d: Bm 1 u tin 1, bm 2 u tin 2. Khi bm 1 xy ra li th bm 1 dng v

bm 2 c bt t ng chy thay cho bm 1. Khi bm 1 tr v bnh thng th bm 2 s

tt v bm 1 chy theo quy trnh.

S gi v s pht chy ca bm trn 1 ln v tng thi gian chy ca bm c

hin th bn di mi bm. Tng thi gian chy cho php ngi dng nh gi tn sut

hot ng ca bm nhm phc v vic ci t mc u tin ca cc bm sao cho tng

thi gian chy ca cc bm tng ng nhau.

Ci t ch chy t ng cho 3 bm:

o Ci t mc nc cao:

o Ci t mc nc thp:

o Ci t tr:

o Ci t bm u tin:

Ch : thc hin cc thao tc ci t, ngi dng nhn vo cc v tr ci t. Mn

hnh PASSWORD s hin th. Thao tc ny nhm hn ch i tng khng phn s thay

i h thng.

Mc nc thc t o c cng c hin th trang ny gip ngi dng d

dng theo di ch hot ng ca 3 bm.

e. Gim St in Nng:

Mn hnh ny th hin cc thng s in nh: dng mi pha, p dy, cng sut mi pha,

cng sut 3 pha, cng sut biu kin 3 pha, cng sut phn khng 3 pha, h s cng sut

v tn s, v in nng tiu th tng.

Bn di l cc nt chuyn hng n cc trang th ca P, Q, S, F, h s cng sut v

dng p.

f. Mn Hnh Mc Nc u Vo:

Mn hnh ny v th mc nc u vo theo thi gian vi chu k 6 pht. Mt trang

th s hin th 240 mu tng ng vi 1 ngy.

: hin th mc nc hin ti

Cc nt trn th gip ngi dng xem li cc trang th qu kh:

: Tr v trang th trc

: Tr v im ly mu trc

: Tr v im ly mu sau

: Tr v trang th sau

g. Mn Hnh Lu Lng Vo:

Mn hnh ny hin th lu lng tng tng knh 1 v 2 theo ngy, thng v

tng.

Lu lng tng theo ngy c tnh t 6h ngy hm ny n 6h ngy hm sau.

Luu lng tng theo thng c tnh t 6h ngy 1 thng ny n 6h ngy 1 thng

sau.

Tng lu lng tng knh c tnh cng dn cho n khi c reset. reset gi

tr ny ngi dng vo trang ci t.

h. Mn Hnh Bo ng:

Mn hnh ny lit k cc s kin chy, dng v li ang din ra ti thi im hin ti

i. Mn Hnh S Kin

Mn hnh ny lit k cc s kin v ang din ra.

Nt ln di chuyn vt sng ln dng trn ca s kin.

Nt xung di chuyn vt sng xung dng di ca s kin.

Nt chi tit xem chi tit s kin ti v tr vt sng.

j. Mn Hnh Ci t:

Mn hnh ny cho php:

Truy cp vo cc trang h thng ci t mn hnh nh: thi gian, vng nh, sao

lu d liu..

Reset thi gian chy, s ln chy, s ln li

Reset lu lng tng tng knh

Reset nng lng tng

Ci t h s lu lng

Copy d liu ghi

Cch thc copy d liu:

Nhn vo nt copy to usb, d liu t mn hnh s c chuyn sang usb.

Nhn nt Tho usb tho usb an ton trnh lm h hng usb, nt ny ch hin

th khi usb c mn hnh nhn dng v trong tnh trng sn sng.

Tho usb khi mn hnh v copy d liu vo my tnh

Ch : trong thi gian usb c tho ra khi mn hnh th d liu c logging vo

vng nh m ca mn hnh. Sau 30 pht vng nh m s y v d liu khng cn ghi

c na. Khi trn mn hnh s hin th cho ngi dng bit b d liu y. D

liu t lc y n khi cm usb tr li s b mt. V vy, khong thi gian tt nht

copy d liu l sau 7h sng hng ngy.

D liu c lu di dng file TXT theo tng ngy, mi ngy mt file.

D liu logging bao gm:

Thi gian chy, s ln chy, s ln li ca cc thit b trong 1 thng

Lu lng tng trong ngyn theo tng knh

Lu lng tng trong thng theo tng knh

Nng lng tng theo thng

Mc nc (chu k ly mu 6 pht)

Cng sut (chu k ly mu 6 pht)

Dng p (chu k ly mu 6 pht)

Tn s (chu k ly mu 6 pht)

H s cng sut (chu k ly mu 6 pht)

k. Mn Hnh Trng Thi Chi Tit Ca Tng Thit B:

Mn hnh ny hin th chi tit trng thi ca tng thit b nh:

n hin th trng thi ca thit b. Khi thit b chy th hin mu xanh,

dng mu , li do qu nhit hay qu ti l mu vng nhp nhy.

S gi v s pht cho 1 ln chy:

S gi chy, thi gian chy, s ln li trn 1 thng:

Tng s gi chy, thi gian chy, s ln li:

Cc nt chuyn hng cho php duyt qua cc thit b:

3.2. Vn hnh bm trc vt:

Bm truc vt

1. S lc he thong Bm truc vt:

C 3 bm trc xon kiu Archimed bm nc thi ln t knh en v chy vo trong

nh my x ly nc qua cc h x l. Mi bm hot ng theo cng mt kiu v cung

cp cng mt khi lng nc.

Trc xon Archimed c lm bng thp, khe gia trc v mng khong 4 mm. Lun

kim tra xem c chng ngi vt no trong mng trc khi khi ng trc xon. Hng

nm nn kim tra sn vnh trc, nu c r st phi sn li ngay bng sn chng st. Khi

kim tra trc xon nn quay ton trc xc nh ton b vnh trn ca trc khng b

vng.

Motor ien cua bm c trang b:

o Thiet b bao ve qua dong.

o Rle nhiet

o Mot cong tac nhiet o cao t ien cc PTC ben trong motor.

o Mot thiet b lam nong chong ngng tu hi nc ben trong motor.

o Thiet b ngat khan cap

Motor:

Marelli Motori Type:

A4C167200016

380VAC 50Hz 15KW

30A Cos 0.8

1460v/p 88Kg

Hop so:

Rexnord Type: SFN64B i345 IR

IM B3/V5 30-39G T2 (Nm) 4100

NO 527603 / 001 05

N2 (1/min) 12EX 2986

ISO VG 320CLP 16.000 CCM

Bang thong so ky thuat cua motor va hop so bm truc vt.

* Bm m :

Bm m co nhiem vu cung cp lien tuc va thng xuyen m boi trn cho bc thau

pha di ca trc vt. M boi trn trong bnh cha m phai luon luonc gi

mc phu hp (gia mc thap va mc cao).

Bm truc vt s khong khi ng khi bm du khong hoat ong.

ieu kien hoat ong cua bm m:

o che o t ong cua bm truc vt: bm m se khi ong va ngng ong thi

vi bm truc vt.

o che o van hanh bang tay cua bm truc vt: bm m co hoat ong rieng le

khong phu thuoc vao bm truc vt (chay hay ngng). Nhng bm truc vt ch

hoat ong c khi bm m cung hoat ong.

o Bm m se ngng khi rle nhiet trang thai OUT.

ng ng dn m phi c kim tra thng xuyn bng cch xc nh mc tiu th

m hng ngy ca bm m t suy ra c s bt thng hay khng.V ng dn m

c t dc theo mng nghing ca bm trc vt xung n trc di ca bm nn rt

kh kim tra, xc nh cc hng hc c th xy ra.

2. Van hanh:

2.1. Nguyen ly hoat ong:

Cac bm trc vt c th hot ng theo ch bng tay hay ci t t ng theo

mc nc, c ci t ty theo nhu cu vn hnh ca nh my.

Cac may bm se khong the khi ong c khi mot trong cac ieu kien an toan

di ay xay ra hay khi t nhat mot trong hai bao ong xay ra:

ieu kien an toan:

- Cau dao ien t-nhiet OUT

- Nhiet o motor qua cao

- Bm dau khong hoat ong

Cac ieu kien khac :

- Mc nc trong ho thu qua cao

- Thiet b o mc nc b h

2.2. Quy trnh van hanh:

Van hanh vien thc hien thao tac khi ong hay dng bm tren tu ieu khien tai

cho at ti tram bm. Cac bc thc hien cho cac bm 1, 2, 3 la nh nhau.

* Kiem tra trc khi vn hanh:

- am bao rang cac ca be hut, be lang cat ung v tr

- Kiem tra khong co vat la trong mang & than truc vt

- Khong co ngi nao o lam viec tren thiet b sap c van hanh

- Quan sat tnh trang cua cac thiet b la bnh thng

- Kiem tra mc nht trong hop giam toc & m trong bon cha (luon luon gia

mc cao nhhat va thap nhat cua knh tham nht/m)

* Quy trnh van hanh

- Bat CB 2P ( Cap nguon ieu khien mot pha )

- Bat CB1, CB2, CB3 ( Cap nguon ong lc cho bm 1, bm 2, bm 3 )

Bang ieu khien bm truc vt

CB2P CB1 CB2 CB3

Tu ieu khien bm truc vt

2.2.1. Van hanh bang tay (Man)

- Xoay c.tac OFF_HEAT_ON sang ON (bat cong tac bo say)

- Xoay c.tac OFF GREASE ON MAN_OFF_AUTO sang AUTO (cong tac bm m)

- Xoay c.tac MAN_OFF_AUTO sang MAN (chon che o chay bang tay)

- Nhan nut nhan START

2.2.2. Van hanh t ong (Auto)

- Xoay c.tac OFF_HEAT_ON sang ON (bat cong tac bo say)

- Xoay c.tac OFF GREASE ON MAN_OFF_AUTO sang AUTO (cong tac bm m)

- Xoay c.tac MAN_OFF_AUTO sang AUTO (chon che o chay t ong)

2.2.3. Dng (Stop)

- Nhan nut STOP

- Chuyen c.tac MAN_OFF_AUTO sang OFF

* Chu y:

che o t ong do co 1 bm d phong nen khi 2 bm chnh ang hoat ong

neu xay ra loi (Over current, Over heat, not greas pump, ) bm nao th bm d

phong se thay the bm o ong thi he thong s Cancel bm b loi. V vay sau khi

khac phuc xong s co muon a he thong tr lai bnh thng lam nh sau:

- Chuyen cong tac MAN_OFF_AUTO cua bm b loi ve v tr OFF (co the thc

hien trc khi khac phuc s co cang tot).

- Chuyen cong tac MAN_OFF_AUTO cua bm d phong ve v tr OFF.

- Chuyen 2 cong tac MAN_OFF_AUTO cua bm d phong va bm va b loi ve

v tr AUTO he thong tr lai bnh thng.

@ Cac loi lam dng motor:

- Qua nhiet motor, en bao trang thai (en vang) tren tu ieu khien tai ch sang.

- Qua dong ien : co nhieu nguyen nhan nh : rotor b ket, tai qua nang, en

bao trang thai OV.CUR tren ban ieu khien sang. Khac phuc nguyen nhan sau o an

nut Reset (o) tren Rle nhiet e xoa loi.

- Loi ve bm m : co the la Contactor hong hoac may chay qua tai.

- Mat pha, ngan mach dong ien.

3.3. Vn hnh cu cng tc v my nn kh:

Cau cong tac .

1. S lc ve ket cau cua cau cong tac:

- Mot ket cau cau bang thep trai dai theo kenh lang cat, di chuyen tren 2 thanh

ray bang thep. Cau co san e i lai va cac phan gia cho 2 ong hut cua bm nen kh.

- Mot motor ien hai chieu 2 toc o co the di chuyen cau doc theo kenh lang cat

- Hai may nen kh e a kh vao trong bm kh. May nen kh c lap trong hop

cach ly va co mot motor vi thiet b lam nong chong ngng t trong motor, may thoi

va quat gio.

- Ong hut nc va kh.

- Cong tac va cam bien e kiem soat s di chuyen va cac hoat ong khac.

- Day ien va tu ieu khien.

1.1. Cau cong tac:

che o t ong cau di chuyen qua lai tren kenh lang vi toc o thap. Moi lan

cau at en mot gii han cua iem chuyen hng cuoi ng ray cau se ngng va

hng i se ngc lai sau mot thi gian c nh san. Thi gian trc khi cau tr ve

co the c ieu chnh. Mot chuong bao ong se keu khi cau dng lau hn thi gian

cai at tam thi.

Cau cong tac c trang b motor hai toc o, chon la toc o theo thu cong (toc

o cao hay thap).

Cau c bao ve bi:

- 1 cau dao ien nhiet t.

- 1 cong tac e kiem soat o trt.

- 4 cong tac e kiem soat viec mac ket.

- 2 cong tac e kiem soat cat tha.

- 2 cong tac e ngng hai au kenh (cuoi ng ray).

Cac ieu kien an toan sau ay e ngng thiet b:

- Cau dao nhiet t OUT.

- Nhan ra o trt.

- Nhan ra vat can.

- Nhan ra cat tha.

- Ngng khan cap e ngng cau va hai may suc kh.

Cau co the van hanh bang tay hay t ong. Cau khong the van hanh khi gap cac

ieu kien noi tren. Tnh trang hoat ong cua cau c ghi nhan trong may ghi nhan d

lieu.

Bang thong so ky thuat cua motor va hop so Cau cong tac.

Motor

Siemens Type: 1L17080 0AA64

400v 1.6A 50Hz

0.6KW Cos 0.85

1390 2810v/p

Hop giam toc

FLENDER

Drives

Automation

248365/1 H 03 - A OIL: 7,3/07L CLP PG

VG640

2530Nm/min i: 792

1.2. May nen kh :

Tren cau cong tac co 2 may nen kh, moi may nen kh c bao ve bi:

- Mot cau dao ien nhiet t.

- Mot cong tac nhiet o cao t ien cc PTC ben trong motor.

- Mot thiet b lam nong chong ngng tu ben trong motor.

- Quat gio cua hop cach ly.

- Dng khan cap e ngng van hanh cau va hai may nen kh.

Cac ieu kien ngng thiet b:

- Cau dao tnh trang OUT.

- Motor qua nong.

- Quat gio khong lam viec.

- Co dng khan cap.

Quat gio trong hop cach ly luon lam viec ong thi vi may nen kh.

Ben trong may nen kh

Cau tao bo phan nen kh

2. Van hanh:

2.1. Van hanh cau cong tac:

Cau cong tac co the hoat ong hai che o (Man hoac Auto) vi hai toc o .

che o t ong cau ch co the chay vi toc o cham. Cau c lap 2 cong tac hanh

trnh la End Left (cong tac hanh trnh trai) va End Right (cong tac ha nh trnh

phai). che o t ong khi cau chay ve pha trai neu End Left tac ong th cau se

dng (t ong chay lai sau khoang thi gian qui nh) va trng hp ben phai cung

tng t.

Cac nut ieu khien cua cau cong tac

2.1.1. Van hanh bang tay (Man):

- Xoay cong tac OFF_HEAT_ON sang ON (Bat cong tac bo say)

- Xoay FAST_ SLOW (Chon che o chay nhanh hay cham )

- Xoay MAN_OFF_AUTO sang MAN (Chon che o van hanh bang tay )

- Nhan nut nhan LEFT hay RIGHT (Cho cau chay sang trai hoac sang phai )

2.1.2. Van hanh t ong (Auto):

- Xoay OFF_HEAT_ON sang ON (Bat cong tac bo say )

- Xoay FAST_SLOW (Chon che o chay nhanh hay cham )

- Xoay MAN_OFF_AUTO sang AUTO (Chon che o van hanh t ong)

- Nhan nut nhan ON/OFF ( tu ieu khien AUTO e cau chay hay dng)

2.1.3. Dng (Stop):

- Nhan nut STOP hay xoay MAN_OFF_AUTO sang OFF

* Cac loi co the lam cau dng :

- Cat di kenh (hoac vat la khac) di ay mng qua nhieu : phat hien nh

hai cam bien tiem can at hai ben canh cua may nen kh, en se bao trang thai

Sand Ex..

- Banh xe trt khoi ng ray : phat hien nh cam bien at tai banh xe cau

cong tac, en bao trang thai Slip Det.

- Obstacle : phat hien nh 4 cong tac at pha trc va pha sau cau cong tac,

en bao trang thai Obstacle.

- Qua tai: rle nhiet b trip (en bao trang thai Over curr. tai tu KTT). An

nut reset e bo trip(reset phan cng).

- Qua nhiet motor : en bao trang thai tai tu KTC.

- S co ve ien nh mat pha, ngan mach

* Lu y:

- Neu cau gap s co, sau khi khac phuc loi nhan nut Reset trc khi khi ong

lai.

- Co 2 nut Emergency Stop (dng khan cap) tren cau va tai tu LCP-11. Trong

trng hp khan cap an 1 trong 2 nut nay e dng toan bo he thong (bao gom ca hai

he thong Air Compressor). e khi ong lai ta a cac Emergency stop ve v tr ban

au bnh thng va an nut Reset tu LCP 11 (mau en) hoac chuyen Switch

Man/Off/Auto ve Off sau o chuyen lai v tr Auto.

- Khi xay ra loi nh a neu tren th en Flashing se tac ong. Cac en bao

trang thai ben trong tu ch ra mot cach chnh xac tng loi.

- Sau khi a khac phuc c loi (en bao loi tat), an nut Reset ben trong tu e

a he thong tr lai trang thai bnh thng.

2.2. Van hanh May nen kh

May nen kh (Air compressor) hoat ong hai che o bang tay hoac t ong.

che o t ong no lam viec phu thuoc vao cau cong tac, tc la che o van hanh t

ong, may nen kh lam viec ong thi vi cau cong tac khi cau cong tac cung che o

van hanh t ong.

Bang ieu khien may nen kh

1/ Van hanh bang tay (Man):

- Xoay cong tac MAN_OFF_AUTO sang MAN (Chon che o van hanh bang tay)

- Xoay cong tac OFF_HEAT_ON sang ON (Bat cong tac bo say)


2./ Van hanh t ong (Auto):

- Xoay cong tac MAN_OFF_AUTO sang AUTO ( Chon che o van hanh t ong )

- Xoay cong tac OFF_HEAT_ON sang ON ( Bat cong tac bo say )

3./ Dng (Stop):

- Nhan nut STOP hay xoay cong tac MAN_OFF_AUTO sang OFF

Cac loi co the lam dng may nen kh:

- Cat di kenh qua nhieu hoac co vat la di kenh (ch tac dung che o t

ong)

- Banh xe cau cong tac b trt khoi ng ray (ch tac dung che o t ong).

- Rle nhiet b trip: do xay ra qua tai (en bao trang thai Over curr. tai ban ieu khien trung tam). An nut reset e bo trip(reset phan cng).

- Qua nhiet motor : en bao trang thai tai ban ieu khien trung tam.


* Lu y: sau khi khac phuc loi nhan nut Reset trc khi khi ong lai

3.4. Vn hnh my ti ct:

Bo phan tai cat

1. S lc he thong

Co 2 bo phan tach cat c lap trong ngan thu cat. Truc vt tai cat c dung e

gan nc ra khoi cat, cat c tai bi bm nang chuyen e chuyen cat t ngan cha

cat vao thung cha. Bo phan tai cat co mot motor va mot vt xoan.

Bo phan tai cat ch hoat ong theo che o thu cong (cho du co the la hoat ong

theo t ong). Moi bo phan tai cat c bao ve bi:

- 01 cau dao ien.

- 01 cong tac nhiet o cao, t ien cc PTC ben trong motor.

- 01 cong tac momen.

Cac ieu kien an toan e ngng hoat ong thiet b:

- Cau dao ien OUT.

- Motor qua nong.

- Cong tac momen c bat

- Dng khan cap c bat.

Bang thong so ky thuat cua motor va hop so may suc kh.

*Motor

NORO SK90L/4

/Y 230/400V 6,15/3,35A

1,5KW 50Hz

Cos 0.78 1395v/p

*Hop giam toc

NORO-AANDRIIVINGEN

NL-2180 AC HILLEGOM

SK5382AZB 90 L/4 TF

NO 10044766.00-2 i= 248,7 H1 N2 = 5,7 1/min

2. Van hanh

May tai cat cung hoat ong theo hai che o bang tay hay t ong. May tai cat

ch hoat ong che ong t ong khi cau cong tac cung van hanh che o t ong.

Bang ieu khien may tai cat

2.1. Van hanh bang tay (Man):



2.2. Van hanh t ong (Auto):

- Xoay cong tac MAN_OFF_AUTO sang AUTO (Chon che o van hanh t ong )

2.3. Dng (Stop):

- Nhan nut STOP hay xoay cong tac MAN_OFF_AUTO sang OFF

* Cac loi co the lam motor dng :

- Rle nhiet b trip: do xay ra qua tai (en bao trang thai Over curr. tai ban

ieu khien trung tam). An nut reset e bo trip.

- Tac ong cua rle Torque: en bao trang thai tai ban ieu khien trung tam.


3.5. Vn hnh h thng t b:

Trong he thong ien cua tram co 12 tu bu ien, trong o 4 tu c au noi trc

tiep vi li ien thong qua 1 CB goi la 4 tu thng trc, 8 tu con lai co the ket noi

hay b ngat khoi nguon ien tuy thuoc vao gia tr Cos cua he thong ien. Khi mat

ien nguon t mang li ien va khi nguon tr lai nen kiem tra tr so Cos va CB

cua 4 tu thng trc

Gia tr Cos = 0.86 - 1 la phu hp. CB ca 4 t thng trc CB tng ca 12 t

1 2 3 4 5 6 7 8

Bng iu khin t b (t t 1 t 8) 1./ Trc khi vn hnh

- Bt 2 CB tng

- Bt 8 cai MCCB cua cac tu bu

- Bt CB2P (Cp ngun iu khin cho t in) 8 MCCB ca 8 t bu 2./ Vn hnh bng tay

Start:

- Xoay cng tc LOC_OFF_CEN sang v tr LOC

- Nhn tng nt xanh ng tng t in cho n khi ng h Cos ch gi tr thch hp (Cos = 0,86-1)

Stop:

- Nhn tng nt tch tng t in khi h

thng hoc

- Xoay cng tc LOC_OFF_CEN v OFF

ngat ton b t khi h thng

3./ Vn hnh t ng

Start:

- Xoay cng tc LOC_OFF_CEN sang v tr CEN Stop:

- Xoay cng tc LOC_OFF_CEN sang OFF CB2P cap nguon ieu khien

3.6. Vn hnh bm chm Flygt (Bm chm sn phi bn)

Bang ieu khien bm chm

1./ Trc khi vn hnh:

- Bat CB C0 trong tu ien LCP

- Van Cong tc ngun (Mau o ) sang v tr ON

2./ Van hanh bang tay (Man):

- Xoay cong tac MAN_0_AUTO (Mau xanh) sang v tr MAN (Hnh ban tay)

3./ Van hanh bang t ong (Auto):

- Xoay cong tac MAN_0_AUTO (Mau xanh) sang v tr AUTO

4./ Dng (STOP):

- Xoay cong tac MAN-0-AUTO (Mau xanh) sang v tr 0

* Lu y: che o AUTO khi mc nc trong ho ha en v tr thap nhat (LSL1),

bm t ong ngng .

3.7. Vn hnh bm nc ra Grunfos:

Tu ieu khien bm nc ra

1./ Trc khi van hanh

- Bat cac CB trong tu ien

2./ Van hanh bang tay (Man):


- Xoay cong tac PUMP 1_OFF_PUMP 2 chon bm 1 hoac bm 2

- Nhan nut START 1 hoac START 2 e van hanh bm 1 hoac bm 2

3./ Van hanh t ong (Auto):

- Xoay cong tac MAN_OFF_AUTO sang AUTO (Chon che o van hanh t ong)

4./ Dng (STOP):

- Nhan nut STOP 1 hay STOP 2 (Trng hp van hanh bang tay)

- Xoay cong tac MAN-OFF-AUTO sang OFF (dung cho ca hai che o )

* Lu y:

- en bao TRIP sang: TRIP 1 qua tai bm 1 hoac TRIP 2 qua tai bm 2.

- en LOW LEVEL sang, coi keu: mc nc trong bon Inox ben ngoai (8 m3)

qua thap can phai bo sung nc vao bon & nhan nut MUTE trc khi a bm vao

hoat ong.

Lu lng

tong

Phm chon o trong

ma tran

Nhom phm

nhap thong so en hien th

trang thai

Hien th gia tr

cua o a ch

( xem muc 3)

O a ch cua i lng can xem

3.8. o lu lng (FMU-861):

1. Mang o Venturi (o lu lng au vao)

Neu mc nc trong ho suc kh qua cao hay cong dan nc b nghen th pheu

Venturi b ngap nc va viec o se khong chnh xac va khong ang tin cay.

Bo chuyen oi uc at toi a la 3 x chieu cao (sau) cua cot nc pha thng

nguon.

So o lu lng c hien tren man hnh la m3/gi at trong tu ien (tai v tr o)

va d lieu cung c hien th trong phong van hanh may bm thiet b ghi nhan. Sai

so o dong la 5%.

Thng cung co so o hien hien ngay ca khi pheu can nc hay khi khong co

dong nc. ieu nay tao nen do nc chay ngc lai t ho suc kh ma ong trong

pheu khi khong co dong chay. Ngay ca mot lng nc nho gan mc nc ch th co

the lam cho viec o sai lech.

2. Cai at thiet b o FMU-861.

Bc Y ngha Ma tran Ghi vao

1. Cac phm chc nang :

2. en bao trang thai :

- en vang sang bao hieu khi relay ngo ra tng ng tac ong.

- en xanh Flashing sang khi xay ra loi.

- Khi mot so khong the hien th c th man hnh se xuat hien E

3. Cac o a ch :

- V0H8 : Khoang cach t mat nc ti mang Sensor (cam bien o).

- V0H0 : + Lu lng nc trong mang (o lu lng).

+ Mc nc trong mang dang % ( o mc nc).

- V0H9 : Chieu cao cot nc trong mang (Khoang cach t be mat nc en

iem Empty).

2.1. Cai at cac thong so c s:

Bc 1: Reset FMU

1 V9H5 333 Reset FMU

2 E Xac nhan

3 V9H6 888 Reset bo em ch khi can thiet)

(Sau khi reset n v chieu dai khong thay oi)

Bc 2: Xac nh n v o (V8H3): 1 = met, 0 = feet

Phm Chc nang

Ma tran

- An phm nay e chon cac hang t 0 - 9

- An phm nay e chon cac cot t 0 - 9

- An ong thi 2 phm nay e chon o V0H0 +

Cai at thong so

- La chon so e thay oi, so c chon se Flashing

- Dch chuyen v tr dau thap phan + +

- Tang gia tr a vao +

- Giam gia tr a vao - - Xac nhan gia tr a vao E



1 V8H3 1 Chon n v o mc la met

2 E Xac nhan

3 V8H4 5 Chon n v o lu lng la m3/h

4 E Xac nhan

5 V8H5 2 Chon n v dem la m3

6 E Xac nhan

Bc 3: Chon phng thc lam viec (V8H0), co cac gia tr sau

2 = o lu lng kenh 1.

3 = o mc kenh 2 va o lu lng kenh 1.

9 = o lu lng co xac nh ap lc phan hoi.

1 V8H0 2 o lu lng nc kenh 1

2 E Xac nhan

Bc 4: Chon loai sensor (V0H4): gom cac loai sau ay

80 = FDU 80

80F = FDU 80 F

81 = FDU 81

81F = FDU 81 F

82 = FDU 82

83 = FDU 83

84 = FDU 84




85 = FDU 85

86 = FDU 86

1 V0H4 80 Chon sensor loai FDU 80

2 E Xac nhan

Bc 5: Cac thiet b o lng co lien quan (V8H6) : neu nh co cac thiet b o

lng khac c ket noi vi FMU- th can phai xac nhan vao he thong.

1 V8H6 0 O s dung limit switch

2 E Xac nhan

1 V8H7 0 O s dung Sensor nhiet o

2 E Xac nhan

2.2. ieu chnh: a vao cac tham so can thiet.

Bc 1: Nhap vao gia tr Empty (V0H1). Mang VENTURY gia tr Empty = 1.25

1 V0H1 1.25 Xac nh iem can nhat

2 E Xac nhan

Bc 2: Nhap vao gia tr Q/h

* S lien he gia lu lng (Q) va chieu cao (h) tuy thuoc vao hnh dang kch

thc cua vat the (ni dong vat chat chay qua) ma co cac dang o th Q/h khac nhau.

FMU- 861 co lu tr mot so dang o th Q/h tng ng vi moi mot ma so c a

vao V2H2. Trng hp vat the co hnh dang khac do o khong s dung c o th

Q/h co san, khi o e xac nh c lu lng bat buoc phai nhap vao 32 iem

(Qx,hx) ma o th nay i qua, che o lam viec nay goi la che o tay hay s tuyen tnh

hoa.

* Co 2 che o nhap gia tr Q/h : che o bang tay va che o ban t ong

Bng Q-h knh Venturi Bng Q-h knh Cipolletti

STT

V2H5

Ct nc

H (m)

Lu lng

Q (m3/h)

STT

V2H5

Ct nc

H (m)

Lu lng

Q (m3/h)

1

2

3

4

0.28

0.305

0.33

0.35

370.8

424.8

475.2

518.4

1

2

3

4

0,100

0,110

0,120

0,130

263

306

349

392


5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

0.375

0.395

0.415

0.44

0.46

0.48

0.5

0.515

0.535

0.555

0.57

0.59

0.61

0.625

0.64

0.66

0.675

0.69

0.705

0.725

0.74

0.755

0.77

0.785

0.8

0.815

0.83

0.845

576

622.8

673.2

734.4

784.8

835.2

889.2

928.8

982.8

1036.8

1080

1137.6

1195.2

1242

1285.2

1346.4

1393.2

1440

1486.8

1551.6

1598.4

1648.8

1695.6

1746

1796.4

1846.8

1900.8

1951.2

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

0,140

0,150

0,160

0,170

0,180

0,190

0,200

0,210

0,220

0,230

0,240

0,250

0,260

0,270

0,280

0,290

0,300

0,310

0,320

0,330

0,340

0,350

0,360

0,370

0,380

0,390

0,400

0,410

439

486

536

587

637

691

749

806

864

922

983

1,044

1,109

1,174

1,238

1,307

1,375

1,444

1,516

1,584

1,660

1,732

1,807

1,883

1,958

2,038

2,117

2,196

Che o tay

1 V2H0 5 Xoa cac gia tr tuyen tnh hoa

a c a vao trc o

2 E Xac nhan

3 V2H3 0.28 Nhap chieu cao h ng vi iem au tien

4 E Xac nhan

5 V2H4 370.8 Nhap lu lng Q ng vi iem au tien

6 E Xac nhan



7 V2H5 2 en iem th 2

8 E Xac nhan.

FMU t ong nhay en V2H3 (iem ke tiep c la chon)

Lam lai cac bc t bc 3 en bc 8 cho en khi u 32 iem.

9 V2H0 3 Chon che o tay

10 E Chap nhan s tuyen tnh hoa

Che o ban t ong

1 V2H0 5 Xoa cac gia tr tuyen tnh hoa

a c a vao trc o

2 E Xac nhan

3 V2H0 4 Chon che o ban t ong

4 E Xac nhan

5 V2H4 0.0 Nhap lu lng iem au tien

6 Xac nhan

7 V2H5 2 en iem th 2

8 E Xac nhan.

FMU t ong nhay en V2H3 (iem ke tiep c la chon)

Lam lai cac bc t bc 3 en bc 8 cho en khi u 32 iem.

9 V2H0 3 Chon che o tay

10 E Chap nhan s tuyen tnh hoa

* Chu y:

Khi nhap vao neu nh co mot gia tr nao o sai th bieu tng loi se xuat hien.

e kiem tra lai cac gia tr a nhap lam nh sau:

1 V2H5 x iem th x a c a vao trc o

2 E Xac nhan

3 V2H3 x Gia tr h a nhap trc o

4 V2H4 x Gia tr v a nhap trc o

Bc 3: Chon oi tng can o (V0H3)





0 = chat long.

1 = Liquid ran c dang mn, nh vang, bac

3 = khoi ran c dang tho, vi mc thay oi theo o doc.

2 = khoi.

1 V0H3 0 Chon chat long

2 E Xac nhan

Bc 4: Nhap gia tr dong dien tng ng ngo ra dang tng t 1(V0H5)

1 V0H5 0 Chon ngo ra = 4mA

2 E Xac nhan

Bc 5: Nhap gia tr dong ien tng ng ngo ra dang tng t 2(V0H5)

1 V0H6 2000 Chon ngo ra = 20mA

2 E Xac nhan

Bc 6: Chon chu ky cap nhat d lieu

1 V0H7 5 Chu ky cap nhat la 5 giay

2 E Xac nhan

* Cai at Totalizer :

Gia tr Total c the phan mem (V8H8, 4 so au va V8H9, 4 so cuoi) hoac

Option. oi vi gia tr Total phan mem th co the reset c (V9H4=712)

con phan Option th khong.

Gia tr Total c tnh nh sau.

Total = tong so xung em c x he so em x n v em.

- He so em co gia tr t 1 en 19999, c cai at V1H5 (ng vi Option) va

V1H6 (ng vi phan mem).

- n v em : la chon tai V8H5.

- Xung em: c tang moi lan 1 n v khi gia tr = he so em

Bc 7: at he so cua bo em


1 V1H5 200 C c 200m3 th bo em ngoai

tang them 1 n v

2 E Xac nhan

3 V1H6 100 C c 100m3 th bo em trong

tang them 1 n v

4 E Xac nhan

3. Xem gia tr o c

- V0H0 : Lu lng nc trong mang

- V0H8 : Khoang cach t mat nc en mang sensor

- V0H9 : Chieu cao cot nc trong mang

- Gia tr cua bo em : gom 8 so hien th hai o

+ V8H9 : bon so hang ben phai cua bo em.

+ V8H8 : bon so hang ben trai cua bo em.

3.9. Vn hnh my sc kh:

Thiet b suc kh

1. S lc v thit b sc kh (my sc kh)

Co tat ca16 may suc kh trong 2 ho suc kh A1 va A2. Nhng may suc kh nay

c thiet ke d phong cho ca giai oan 2 nang cong suat len 46.000 m3/ngay vao

nam 2020 th dong chay au vao co lu lng la 23.000 m3/ngay cho moi n nguyen.

Khi lu lng thap hn hoac tai trong thap, nhng may suc kh se c tat bt i da

tren c lng chia theo t le lu lng dong chay dao ong trong khoang so gan nhat.

V du: neu lu lng chay vao 1 n nguyen la 7.000m3/ngay, th co khoang 3 thiet b

suc kh van hanh trong n nguyen o.

Nhng may suc kh c kiem soat t ong theo lch trnh cai at san. Co khoang

thi gian chenh lech gia hai ln khi ng e tranh 2 thiet b suc kh khi ong ong

thi. Ngoai ra khi van hanh bang tay, nhng may suc kh khong nen c khi ng

ong thi e tranh dong ien b qua tai khi khi ong. Nen ngng khoang 1 phut gia

2 lan khi ong.

Khi c van hanh che o t ong, nu mat ien c bao trc hoac khong

c bao trc th cac thiet b suc kh se t khi ong lai sau khi co ien tr lai.

Neu thiet b suc kh khong c van hanh trong 2 thang hoac hn, th van phai

ket noi ien va van hanh 30 phut moi tuan cac thet b nay e c boi trn dau m

tat ca be mat cac bo phan.

Cac phao tren ho do phai tiep xuc vi moi trng nc am t va ma nang nen

can phai c sn sa theo ung nh ky, han che toi a s oxy hoa an mon. Cac

thung phao rat de b lung lo do b an mon.

Khi co s h hong cua motor hay hop giam toc cua thiet b suc kh ma khong the

trc tiep x ly tren ho, phai a vao b e sa cha th viec lap at dan thao tac va

thao g thiet b tren ho la rat kho khan va nguy hiem do o bat buoc cac nhan vien

ky thuat phai het sc can than trong cong viec va tuyet oi tuan thu theo cac qui tac

an toan lao ong ve trang thiet b bao ho lao ong trong cong viec, nham han che toi

a cac rui ro cho ngi va thiet b, van e an toan phai c at len tren het.

Bang thong so ky thuat cua motor va hop giam toc may suc kh.

Motor

Type: DM1 005S4 /Y 380/660v 70 / 40A

50Hz 37 KW Cos 0.87

1175 v/p 287 Kg

Hop giam toc

SUPPLIER KOMPS

MANUFACTUREN 4067156 -

02

AERATOR TYPE 2200 mm

ROTATIONSPEED 42 rpm

PRODUCTION YEAR 2005

Viec phan bo tot viec van hanh cac may suc kh se giam thieu c chi ph van

hanh va tang hieu qua cua viec x ly:

- Luon gi mc Oxy hoa tan trong nc khoang 1 4 mg/l.

- Khi ham lng Oxy hoa tan vt qua 4mg/l, nen tat bt thiet b suc kh.

- Phan bo s hoat ong cua cac may suc kh khong e tao ra cac vung chet trong

ho suc kh trong thi gian qua dai.

- So lng may suc kh hoat ong phu thuoc vao nong o Oxy trong nc, chu y

en lu lng au vao.

2. Van hanh:

2.1. Nguyen ly hoat ong:

Co tat ca16 may suc kh c phan ra 4 cum moi cum 4 may hoat ong oc lap

nhau, va moi cum c ieu khien trong phong ieu khien trung tam hoac ngay tren

cac tu ien at tren b ho.

- ieu khien tai cac tu ien ngoai b ho: thc hien hoan toan bang tay, khi

ong hay dng bang cac nut nhan Start - Stop tu ien tren b ho.

- ieu khien trung tam: c chia ra 2 che o ban t ong (Semi Auto) va t

ong (Auto). che o ban t ong cac motor c khi ong theo tng nhom bang

cac nut nhan start, stop tren ban ieu khien. Con oi vi che o t ong chung

lam viec theo mot quy trnh nh san.

Nhan vien vn hnh thc hien thao tac khi ong hay dng may suc kh tren tu

ieu khien ngoai ho va ban ieu khien at tai phong ieu khien trung tam.

Bang van hanh tu ieu khien trung tam may suc kh

2.2. Quy trnh van hanh:

CB 100A ca 4 my sc kh Cc CB cp ngun iu khin CB qut

CB1 CB2 CB3 CB4 C0

C1,C2,C3,C4,C5 C6

Contactor ca 4 my sc kh CB-3OOA (CB tng ca t in LCP1)

Bang van hanh tu ieu khien tren b ho cua may suc

kh

2.2.1. Trc khi vn hnh:

- Bt CB-300A (Cp in cho t in)

- Bt CB: C1,C2,C3,C4,C5,C6 (Cp ngun iu kin v qut)

- Bt CB1 (Cp ngun ng lc cho my sc kh s 1)

2.2.2. Vn hnh bng tay:

- Xoay cng tc OFF_HEAT_ON sang ON (Bt cng tc b sy)

- Xoay cng tc LOC_OFF_CEN sang LOC (Chn ch vn hnh bng tay)

- Nhn nt START Thi gian ti thiu gia hai ln khi ng l 10 giy

2.2.3. Vn hnh bn t ng (Semi Auto):

- cng tc SEMI AUTO_AUTO MODE v tr SEMI AUTO (trong bn iu khin)

- Xoay cng tc OFF_HEAT_ON sang ON (bt cng tc b sy )

- Xoay cng tc LOC_OFF_CEN sang CEN (chn ch vn hnh bn t ng)

- Nhn START v gi khong 5 giy

2.2.4. Vn hnh t ng (Auto Mode):

- cng tc SEMI AUTO_AUTO MODE v tr AUTO MODE (trong bn iu khin)

- Xoay cng tc OFF_HEAT_ON sang ON (bt cng tc b sy ) - Xoay cng tc LOC_OFF_CEN sang CEN (chn ch vn hnh t ng)

2.2.5. Dng (Stop):

- Nhn nt STOP ( ch vn hnh bng tay) hay

- Xoay cng tc LOC_OFF_CEN sang v tr OFF (khi thay i ch vn hnh)

Qui trnh vn hnh s c lm tng t nh i vi cc my sc kh s cn li.

Bng iu khin ca t in LCP1

C0: CB 3P cp ngun cho bm chm Flygt I sn phi bn. C1:CB 2P cp ngun iu khin cho my sc kh 1 C2: CB 2P cp ngun iu khin cho my sc kh 2 C3: CB 2P cp ngun iu khin cho my sc kh 3 C4: CB 2P cp ngun iu khin cho my sc kh 4 C5: CB 2P cp ngun iu khin cho PLC C6: CB 1P cp ngun cho qut lm mt t in CB1: CB 3P cp ngun ng lc cho my sc kh s 1 CB2: CB 3P cp ngun ng lc cho my sc kh s 2 CB3: CB 3P cp ngun ng lc cho my sc kh s 3 CB4: CB 3P cp ngun ng lc cho my sc kh s 4

* Chu y :

Khi he thong ang hoat ong che o Auto hay Semi-Auto ma xay ra loi lam

dng 1 may nao o th sau khi khac phuc xong loi ta ch co the van hanh may o

che o bang tay. Neu muon chay t ong lai th bat buoc phai reset li he thong, bang

cach:

- Chuyen 4 cong tac la chon LOC/OFF/CEN ve v tr OFF sau o chuyen

qua CEN.

- Hoac an nut STOP dng ong loat 4 motor, sau o an START (tren ban

ieu khien).

* Cac loi co the lam dng Motor :

- Rle nhiet ( ay la loai ien t) b trip: do xay ra qua tai, hoac do thi gian

khi ong c cha u ln (en bao trang thai Over curr. tai tu KTT). Chnh lai

thi gian reset, an nut reset e bo trip(reset phan cng). Sau o chuyen Switch

LOC/OFF/CEN ve OFF (reset phan mem).

- Qua nhiet motor : en Over heat bao trang thai qua nhiet tai tu KTT. Ch cho

en bao Over heat tat sau o chuyen Switch LOC/OFF/CEN ve OFF (reset phan

mem).


4. BO TR: 4.1. KIM TRA & BO DNG BM TRC VT:

1. Kim tra nh k:

1.1. Kim tra sau mi 150 gi (hng tun)

Kiem tra thng nhat trc hay sau khi van hanh va ca trong khi ang hoat ong.

Ni dung kim tra thc hin theo bng sau:

oi tng

kiem tra

Noi dung kiem tra

ieu kien so sanh X ly yeu cau

khac Hang muc

kiem tra

Phng

phap

kiem tra

Bnh cha m

- Mc m - Bng mt

- Nm trong gii hn cho php (gia min v max)

- Nu mc m thp th chm thm, loi m Shell EP LF 00.

Bc n trn, hp gim tc

- M bi trn

- Bng mt

- Thy m r ra t bc n.

- Tra thm n khi thy m r ra t bc n th ngng tra.

- Rung - Xuc - Khong co bien o - Nu vt gi tr cho

oi tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap

kiem tra

ng giac, dao

ong ke.

rung ong va rung

ong qua ln khac

thng.

php, loi tr nguyn

nhn.

- Nhit - Xc

gic,

nhit k

- Khng qu gii hn cho php ( 50oC)

- Ngng my kim tra, loi tr nguyn nhn khi phc tnh trng c.

M t in (m t vn hnh v m

t bm m)

- m thanh

bat thng

- Thnh

giac, gay

cam am.

- Khng n tng hn gi tr quy nh.

- Nu tnh trng xu, dng my kh nguyn nhn.

- Nhiet o

khung

Stato

- Xuc

giac,

nhiet ke.

- Nhit khng tng bt thng so vi gi tr quy nh

- Phuc hoi nh c.

- Mui khac

thng

- Khu

giac. - Khong co mui.

- Dng may loai tr

nguyen nhan.

- Cht bn trn khung

khung

Stato.

- Nhn

bng mt

- So vi khi vn hnh khng c thay i nhiu.

- Lm sch khi qu d.

- Tnh

trng thng gi

- Nhn

bng mt. - Khng tt nghn ng ht thi kh.

- Loi tr vt cn.

T in iu khin cc bm trc vt

- ien ap

thay oi - Von ke

- Trong 2 3% gi tr quy nh. - in p s dng thng vt mc cho php khong 10% gi tr quy nh.

- Mat can bang pha

trong khoang 1%.

- Phuc hoi nh c.

- Dong

ien

- Ampe

ke

- Phi di gi tr quy nh v khng giao ng ln xung theo chu k. (bm trc vt Im=32A, bm m Im= 0,48A)

- Phuc hoi nh c.

- Dy dn - Nhn - V cch in khng - Loi tr nguyn

oi tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap

kiem tra

bng mt b bin dng do qu nhit, khng trc h, cc u ni phi nguyn v tr.

nhn, khi phc nh c.

- Cc tip im, u ni

- Bng mt, sng o nhit

- Khng b bin dng so vi ban u. - Nhit ti cc tip im khng c vt gi tr quy nh (

oi tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap

kiem tra

Khp ni truyn ng

- Dy

curoa

- Bng mt, tay

Khng qu trng. Dy

ai khng b b hay mn qu quy nh .

- Cng li dy ai nu b trng. Thay dy ai mi nu dy ai b b hay mn.

Bc n di - Thng

m bi trn

- Bng mt

- Mc m bi trn phi nm trong gii hn cho php (trn mc min)

- Nu thiu phi b sung ngay. (sau 800

gi hot ng)

1.2. Sau mi 600 gi (hng thng):

L hnh thc kim tra c tnh nh k bao gm cc ni d h hng v tho mt s chi tit o c trong thi gian ngn, chu k kim tra 1 2 thng mt ln v ni dung kim tra nh sau:

i

tng kim tra

Noi dung kiem tra

iu kin so sanh X ly yeu cau

khac Hang muc

kiem tra

Phng

phap kiem

tra

M t in

(m t vn hnh v m t bm m)

- Khung

Stato v hp ni t

- Bng mt - Phi c ni tip t

- Phc hi nh c

- Cht sn - Bng mt - Khng c r st h hng, bin mu, trc sn.

- ngn r st, sn li.

- in tr cch in gia cun dy Stato v

t

- in tr k

- M t h th o bng in tr k 500V, in tr >1M. - M t cao th o bng in tr k 1000V, in tr >10 M

- Sy kh cun Stato. Nu khng ht qun li cun Stato.

- Bulng lp, bulng xit mng, cc

th khc

- Bng mt, c l.

- Khng lng, khng b bin dng.

- Xit thm, thay mi nu b bin dng.

- Cc chi tit - Bng mt - Khng lng ti chi - Xit thm

i tng

kim tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap kiem

tra

ni trong hp ni dy

tit ni. - X l cch in khng y , khng c bi hay nc ngm vo trong mi ni

- X l cch in, lm sch

- Bc n - Bng mt, bng tay, bm m.

- Khng i mu sc bt thng. - m bo m bi trn vng bi quay nh nhng

- Thay mi nu bin i mu sc.

- Thay hc b sung thm m b.

Hp gim tc

- Cc bulng

lp, bulng xit mng.

- Bng mt, c l

- Khng b bin dng hay ni lng.

- Xit li, thay mi nu b bin dng.

Nht bi trn

- Mu nht, nht

- nht trong gii hn cho php. - Nht khng qu en hay mu caf sa. - Thay nht sau mi 6.000 gi hot ng hoc sau 1 nm.

- Thay mi nu nht bi trn khng p cc yu cu.

- Nht Shell Omala 320

Khp ni truyn ng

- Cc puly - Bng mt, thc thng

- Hnh dng khng b b m. - S thng hng ca cc puly.

- Thay mi nu c b, m. - Cn chnh li.

- Cc lc gic xit puly

- Tay, lc gic

- Khng c ni lng.

- Xit li, thay mi nu cn

T in iu

khin cc bm trc

vt

- Tip im chnh, tip im ph v tip im iu khin ca CB, Contactor

- Bng mt - Khng vt bn, du m hay dung dch n mn kim loi.

- Lm sch cc tip im.

- Mch iu khin, mch tn hiu v

- Bng mt - Khng thay i so vi lc u

- Kim tra v lm sch

i tng

kim tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap kiem

tra

mch t ng

- Cc bulng

mi ni - Bng tay

- Khng c lng hay c khe h, khng bm bi qu dy

- Lm sch dng cc dng c thch hp xit cht.

- Hnh trnh

tip im ng ca CB,

Contactor

- Bng mt - Trong khi di chuyn khng va chm vo cc chi tit lin quan.

- Khc phc nguyn nhn phc hi nh c

- L xo p

lc ca CB, Contactor

- Lc k - Phi p lc, khong thi gian ng m nh

- Loi tr nguyn nhn phc hi nh c

1.3. Sau mi 7200 gi (hng nm):

L hnh thc kim tra c tnh nh k tho ri tng chi tit kim tra. Chu k kim tra 1 2 nm mt ln v ni dung kim tra nh sau:

oi tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap kiem

tra

M t in (m t vn hnh v m

t bm m)

- Li st Rto

- Bng mt

- Khng h hng, li x dch, i mu do qu nhit.

- Sau khi kh nguyn nhn, sa cha cc chi tit h

- Trc Rto - Bng mt - Khng r st, khng cong vnh

- Sa cha li trc.

- Li st Stato

- Bng mt - Khng bin dng, h hao, qu nhit v lng cc u ni

- Sau khi kh nguyn nhn sa cha li ch h.

- Cun dy Stato

- Bng mt - Khng i mu, t.

- Sau khi kh nguyn nhn x l vcni hoc thay cun dy.

- Dy buc, kp ch V

- Bng mt - Khng lng, sole hay b rt ra

- C bin php chng x dch kp

oi tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap kiem

tra

ch V.

- trc, bc n

- Bng mt, xc gic

- Khng thay i mu bt thng v hin tng gim tui th do hn hpnc, khng kh hay cc ht mi mn.

- Thay m b

- Chp chng nc

- Bng mt - Khng d, r st, bin dng

- Loi b nguyn nhn, thay hay sa cha.

Hp gim tc

- Bc n - Bng mt, bng tay

- Khng i mu bt thng hay b r st.

- Bc n phi quay c bng tay mt cch nh nhng

- Kh nguyn nhn thay mi nu tnh trng h hng nng.

- Bnh rng - Bng mt, bng tay

- mn bnh rng phi nm trong gi hn cho php. - Khng b i mu bt thng do qu nhit. - B mt rng phi mn u khng b r hay b r st hay do n mn

- Thay mi nu bnh rng qu mn.

- Xem li nht bi trn.

- Kim tra loi tr nguyn nhn nu h nng thay mi.

T in iu khin cc bm trc vt

- Dy ni t - in tr k - in tr t phi

4.2. KIM TRA & BO DNG THIT B TRN KNH LNG CT

1. Kim tra nh k:

1.1. Kim tra sau mi 150 gi: (hng tun)

Kiem tra thng nhat trc hay sau khi van hanh va ca trong khi ang hoat ong.

Ni dung kim tra thc hin theo bng sau:

oi tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap kiem

tra

Thanh ray

cp in

- S chuyn ng

- Bng mt - Chuyn ng nh nhng khng b khng.

- Loi tr nguyn nhn khi phc hin trng.

- Bi trn - Bng mt - C du hiu bi trn

- Bi trn hng tun vi nht Shell EP LF 00 hay loi tng ng.

- Cp in - Bng mt

- Khng bin dng, gp khc.


ng ray chuyn ng ca cu cng tc

- Tnh trng bn ngoi

- Bng mt - Khng c vt cn trn hnh trnh

chuyn ng.


M t in (cu cng tc; my

nn kh

Keaser1, 2;

vt ti ct 1, 2.)

- Am thanh

bat thng

- Thnh

giac, gay

cam am.

- Khng n tng hn gi tr quy nh.

- Nu tnh trng xu, dng my kh nguyn nhn.

- Nhiet o

khung Stato

- Xuc giac,

nhiet ke.

- Nhit khng tng bt thng so vi gi tr quy nh

- Phuc hoi nh c.

- Mui khac

thng

- Khu

giac. - Khong co mui.

- Dng may loai tr

nguyen nhan.

- Cht bn trn khung

khung Stato.

- Nhn bng mt

- So vi khi vn hnh khng c thay

i nhiu.

- Lm sch khi qu d.

- Tnh trng thng gi

- Nhn bng mt.

- Khng tt nghn ng ht thi kh.

- Loi tr vt cn.

T in - ien ap - Von ke - Trong 2 3% gi Phuc hoi nh c.

oi tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap kiem

tra

iu khin cu cng tc; my

nn kh

Kaeser1, 2;

vt ti ct 1,2; o lu lng

thay oi tr quy nh. - in p s dng thng vt mc cho php khong 10% gi tr quy nh.

- Mat can bang pha

trong khoang 1%.

- Dong ien - Ampe ke

- Phi di gi tr quy nh v khng giao ng ln xung theo chu k. (cu cng tc Im=1,55A,

my nn kh Im=

7,4A, vt ti ct Im=2,5A)

Phuc hoi nh c.

- Dy dn - Nhn bng mt

- V cch in khng b bin dng do qu nhit, khng trc h, cc u ni phi nguyn v tr.

- Loi tr nguyn nhn, khi phc nh c.

- Cc tip im, u ni



oi tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap kiem

tra

Hp gim tc (cu cng tc;

vt ti ct 1,2; my

nn kh

Kaeser

1&2)

v sinh mt hay cc cht gy mn.

- Khng c hin tng r r du nht.

- Loi tr nguyn nhn khi phc nh c.

- Mc nht bi trn

- Bng mt - V tr mc nht phi nm trong gi tr cho php.

- Nu thiu phi b sung, loi nht Shell Omala 320

- Ting n - Thnh gic,

gy cm m

- Khng c ting n bt thng hay vt vt gi tr quy nh.

- Loi tr nguyn nhn khi phc tnh trng c.

- Nhit - Sng o nhit

- Khng vt qu gii hn cho php (

i tng kim tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap kiem

tra

nn kh

Keaser

1&2; vt ti ct 1&2)

- Cht sn Bng mt - Khng c r st h hng, bin mu, trc sn.

- Ngn r st, sn li.

- in tr cch in gia cun dy Stato v t

in tr k

- M t h th o bng in tr k 500V, in tr >1M. - M t cao th o bng in tr k 1000V, in tr >10 M

- Sy kh cun Stato. Nu khng ht qun li cun Stato.


th khc

Bng mt, c l.



- Cc chi tit ni trong hp ni dy

Bng mt

- Khng lng ti chi tit ni. - X l cch in khng y , khng c bi hay nc ngm vo trong mi ni

- Xit thm


- Bc n Bng mt, bng tay, bm m.


- Thay mi nu bin i mu sc. - Thay hc b sung thm m b.

Hp gim tc (cu cng tc;

vt ti ct 1,2; my

nn kh

Kaeser

1&2)

- Cc bulng

lp, bulng xit mng.

Bng mt, c l



- Nht bi trn

Mu nht, nht

- nht trong gii hn cho php. - Nht khng qu en hay mu caf sa. - Thay nht sau mi 6.000 gi hot ng hoc sau 1 nm.


- Nht Shell Omala 320

Khp ni truyn

- Cc puly Bng mt, thc thng

- Hnh dng khng b b m.

- Thay mi nu c b, m.

i tng kim tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng

phap kiem

tra

ng my nn kh

Keaser 1

&2

- S thng hng ca cc puly.

- Cn chnh li.

- Cc lc gic xit puly

Tay, lc gic

- Khng c ni lng.

- Xit li, thay mi nu cn

T in iu khin vt ti ct; my nn

kh

keaser1&2;

vt ti ct 1&2


Bng mt - Khng vt bn, du m hay dung dch n mn kim loi.

- Lm sch cc tip im.

- Mch iu khin, mch tn hiu v mch t ng

Bng mt - Khng thay i so vi lc u

- Kim tra v lm sch

- Cc bulng

mi ni Bng tay

- Khng c lng hay c khe h, khng bm bi qu dy

- Lm sch dng cc dng c thch hp xit cht.

- Hnh trnh

tip im ng ca CB, Contactor

Bng mt - Trong khi di chuyn khng va chm vo cc chi tit lin quan.

- Khc phc nguyn nhn phc hi nh c.

- L xo p lc ca CB, Contactor

Lc k - Phi p lc, khong thi gian ng m nh


Vt ti ct s 1 v 2

- Thanh thp

chu mi mn

- Mng Inox

- Bng mt, thc kp

- Bng mt

- dy thanh thp ban u l 15mm.

- Mng khng thng.

- Kim tra nu dy 3 mm, thay mi. - Kim tra loi tr nguyn nhn, thay

mi an mng b thng.


L hnh thc kim tra c tnh nh k tho ri tng chi tit kim tra. Chu k kim tra 1 2 nm mt ln v ni dung kim tra nh sau:

oi tng

kiem tra

Noi dung kiem tra

Tieu chuan so sanh X ly yeu cau

khac Hang muc

kiem tra

Phng

phap kiem

tra

M t in (Cu cng tc; my nn

kh keaser

1&2; vt ti ct 1&2)

- Li st Rto

Bng mt


- Sau khi kh nguyn nhn, sa cha cc chi tit h.

- Trc Rto Bng mt - Khng r st, khng cong vnh

- Sa cha li trc.

- Li st Stato

Bng mt - Khng bin dng, h hao, qu nhit v lng cc u ni


- Cun dy Stato



- Dy buc, kp ch V


- C bin php chng x dch kp ch V.

- trc, bc n

- Bng mt, xc gic

- Khng thay i mu bt thng v hin tng gim tui th do hn hpnc, khng kh hay cc

ht mi mn.

- Thay m b

- Chp chng nc


- Loi b nguyn nhn, thay mi hoc sa cha.

Hp gim tc (cu cng tc; vt

ti ct 1,2; my nn kh

Kaeser

1&2)


- Khng i mu bt thng hay b r st. - Bc n phi quay c bng tay mt cch nh nhng



- mn bnh rng phi nm trong gi hn cho php. - Khng b i mu bt thng do qu nhit. - B mt rng phi


- Xem li nht bi trn. - Kim tra loi tr nguyn nhn nu h

oi tng

kiem tra

Noi dung kiem tra

Tieu chuan so sanh X ly yeu cau

khac Hang muc

kiem tra

Phng

phap kiem

tra

mn u khng b r hay b r st hay do n mn

nng thay mi.

T in iu khin vt ti ct; my nn

kh Keaser1,

2; vt ti ct 1, 2.

- Dy ni t

- in tr k - in tr t phi

oi

tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng phap

kiem tra

cc my

sc kh vt qu 67mm (theo khuyn co ca nh sn xut ngp khong 50mm)

oi

tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng phap

kiem tra

- Dong ien - Ampe ke

- Phi di gi tr quy nh v khng giao ng ln xung theo chu k. ( Im= 70,4A)

- Phuc hoi nh cu.

- Dy dn - Nhn bng mt

- V cch in khng b bin dng do qu nhit, khng trc h, cc u ni phi nguyn v tr.

- Loi tr nguyn nhn, khi phc nh c.

- Cc tip im, u ni



oi

tng

kiem tra

Noi dung kiem tra


khac Hang muc

kiem tra

Phng phap

kiem tra

gii hn cho php (

i tng kim tra

Noi dung kiem tra iu kin so

sanh

X ly yeu cau

khac Hang muc

kiem tra

Phng phap

kiem tra

cch in gia cun dy Stato v t

bng in tr k 500V, in tr >1M. - M t cao th o bng in tr k 1000V, in tr >10 M

Stato. Nu khng ht qun li cun Stato.


th khc

- Bng mt, c l.



- Cc chi tit ni trong hp ni dy

- Bng mt

- Khng lng ti chi tit ni. - X l cch in khng y , khng c bi hay nc ngm vo trong mi ni

- Xit thm


- Bc n - Bng mt, bng tay, bm m.


- Thay mi nu bin i mu sc.

- Thay hc b sung thm m b.

Hp gim tc cc my sc

- Cc bulng

lp, bulng xit mng.

- Bng mt, c l



i tng kim tra


sanh

X ly yeu cau

khac Hang muc

kiem tra

Phng phap

kiem tra

kh (Hp gim tc rexnord v

RR)

- Nht bi trn

- Mu nht, nht

- nht trong gii hn cho php. - Nht khng qu en hay mu caf sa. - Thay nht sau mi 6.000 gi hot ng i vi hp gim tc Rexnord hoc sau 1 nm. - Thay nht sau mi 2.000 gi hot ng i vi hp gim tc RR, hoc sau 1 nm.


- Nht Shell Omala 320; khi lng 22 lt.

- Nht Shell Omala 320; khi lng 20 lt.

Hp khp ni trung gian ca cc my

sc kh

- Bm m - Sng bm m

- Bm m sau mi 1800 gi hay sau 3 thng.

- S dng m Shell EP LF 02 i vi sng bm m 0,5Kg ch c php bm 3 ci.

H thng gii nhit nht cho hp gim tc RR

- B lc nht - Bng mt

- Thay b lc sau 4.000 gi vn hnh hoc sau 2 ln thay nht.

- B lc nht.

T in iu khin cc my

sc kh


- Bng mt

- Khng vt bn, du m hay dung dch n mn kim loi.

- Lm sch cc tip im.

- Mch iu khin, mch tn hiu v mch t ng

- Bng mt - Khng thay i so vi lc u

- Kim tra v lm sch

- Cc bulng

mi ni - Bng tay

- Khng c lng hay c khe

- Lm sch dng cc dng c thch hp

i tng kim tra


sanh

X ly yeu cau

khac Hang muc

kiem tra

Phng phap

kiem tra

h, khng bm bi qu dy

xit cht.

- Hnh trnh

tip im ng ca CB, Contactor

- Bng mt

- Trong khi di

chuyn khng va chm vo cc chi tit lin quan.

- Khc phc nguyn nhn phc hi nh c.

- L xo p lc ca CB, Contactor

- Lc k - Phi p lc, khong thi gian ng m nh



L hnh thc kim tra c tnh nh k tho ri tng chi tit kim tra. Chu k kim tra 1 2 nm mt ln. Ni dung kim tra nh sau:

oi tng

kiem tra


sanh

X ly yeu cau

khac Hang muc

kiem tra

Phng phap

kiem tra

M t in (cc my

sc kh v b gii nhit nht)

- Li st Rto - Bng mt


- Sau khi kh nguyn nhn, sa cha cc chi tit h.

- Trc Rto - Bng mt - Khng r st, khng cong vnh

- Sa cha li trc.

- Li st Stato - Bng mt

- Khng bin dng, h hao, qu nhit v lng cc u ni


- Cun dy Stato



- Dy buc, kp ch V


- C bin php chng x dch kp ch V.

- trc, bc n

- Bng mt, xc gic

- Khng thay i mu bt thng v hin tng gim tui th do hn hp nc, khng kh hay cc

- Thay m b

oi tng

kiem tra


sanh

X ly yeu cau

khac Hang muc

kiem tra

Phng phap

kiem tra

ht mi mn.

- Chp chng nc


- Loi b nguyn nhn, thay hay sa cha.

Hp gim tc cc my sc kh

(Rexnord

v RR)


- Khng i mu bt thng hay b r st. - Bc n phi quay c bng tay mt cch nh nhng



- mn bnh rng phi nm trong gi hn cho php.

- Khng b i mu bt thng do qu nhit. - B mt rng phi mn u khng b r hay b r st hay do n mn


- Xem li nht bi trn.

- Kim tra loi tr nguyn nhn nu h nng thay mi.

T in iu khin cc my

sc kh

- Dy ni t - in tr k - in tr t phi

4.4. BAO TR NH KY:

Stt Ten thiet b Tai lieu tham chieu Bien phap x ly

1 Bm truc vt

Tham chiu khuyn co ca nh sn xut hp gim tc Rexnord phn 4.5.6 "Trung tu sau 15.000

gi hay sau 5 nm vn hnh"

- Thao kiem tra

tnh trang, tien

hanh trung tu thiet

b.

2 May suc kh



- Thao kiem tra

tnh trang, tien

hanh trung tu thiet

b.

3 Cau cong tac



- Thao kiem tra

tnh trang, tien

hanh trung tu thiet

b.

4 May nen kh Keaser

Tham chiu hng dn vn hnh phn 10.2

"Trung tu sau 10.00


- Thao kiem tra

tnh trang, tien

hanh trung tu thiet

b.

5 Vt ti ct

Tham chiu hng dn vn hnh phn 7.2

"Trung tu sau 5 nm vn hnh"

- Thao kiem tra

tnh trang, tien

hanh trung tu thiet

b.

5. X L S C:

Phai bao am ngat nguon ien cung cap cho cac thiet b trc khi thc hien bat c

cong viec bao tr hoac x ly s co (ngat nguon ien va khoa tu ien).

Cac s co sau khi x ly xong tien hanh cho thiet b van hanh lai theo quy trnh van

hanh. Neu khong x ly c th co lap, tien hanh lap ke hoach sa cha.

5.1. Bm trc vt:

1. X l s c:

Cac thiet b cua bm truc vt khi thao ra khoi tram bm e sa cha hoac thay

the can phai thc hien nhanh chong v ay la mot trong nhng cum thiet b rat quan

trong cua toan bo Tram XLNT. Viec sa cha neu khong cap bach th nen thc hien

trong mua kho, v mua nay lng nc trong kenh t hn cac mua khac trong nam nen

se khong dung het cong suat cua cac bm truc vt.

Cac bo phan h hong thng gap cua bm truc vt :

Bo phan ieu kien

Motor

Hop giam toc

Bo truyen ong bang ai

Khp noi

O truc vt

STT Hang

muc Bieu hien Nguyen nhan Cach khac phuc

1

Phan

ieu

khien

en vang

tren tu ieu

khien tai cho

sang

- Qua nhiet motor

- Kiem tra he thong boi trn,

lam mat

- Kiem tra motor

- Kiem tra c cau giam toc van

hanh quay nhe hay nang

en OV.CUR

tren ban ieu

khien sang

- Qua tai motor

- Kiem tra he thong banh rang

truc vt co b vng, ket hay

khong,

- Kiem tra he thong boi trn

MCB, MCCB

t ngat

- Qua dong tren CB do

siet cap khong chat

- Qua dong do mat

pha

- Dong cat cua CB nh

so vi tai

- CB h do hoat ong

lau ngay

- Ve sinh, kiem tra vt siet cap

- Kiem tra mat pha

- Thay CB co dong cat ln hn

- Thay CB mi

Rle nhiet

ngat

- Motor chay quadong

- Num ieu chnh

dong ngat cua rle

nhiet cha ung

- Rle nhiet h

- Kiem tra motor

- Chnh lai dong ngat cua rle

nhiet

- Thay rle nhiet

Rle kieng

khong hoat

ong

Cac tiep iem rle

kieng h khi ong

ngat.

- Ve sinh cac chan rle kieng

hay thay rle kieng mi

Khi ong t

khong hoat

ong

- Khi ong t thng

b h cac tiep iem

NO/NC do chu tac

ong cua ho quang

ien lau ngay

- oi tiep iem khac hay thay

mi khi ong t

2 Motor

Motor khong

hoat ong

-Tiep iem au cap

khong tiep ien

- Stator b chay

- Bo phan ieu khien

ngat

- Kiem tra tiep ien

- Kiem tra mat pha, qua tai,

quan lai motor

- Kiem tra he thong ieu

khien

STT Hang


Tieng keu

khong bnh

thng cua

bac an rotor

- Boi trn khong tot

- Bac an h

- Kiem tra boi trn ung nh

ky, thay dau.

- Thay mi bac an hai au

rotor

3

Hop giam

toc

Tieng keu cua

bac an

- Boi trn khong tot

- Bac an h

- Kiem tra boi trn nh ky

- Thay mi bac an

Tieng ong

lakhi hoat

ong

- An khp khong eu - Can chnh lai

4

Bo truyen

ong ai

Tieng keu cua

day ai

- Day ai chung

- Puli mon

- Day ai mon

- Tang day ai hoac thay mi

- Thay mi

- Thay mi

5

Khp noi

hop giam

toc va

truc vt

Tieng keu la

khp noi

- Khp noi hong

- Cao su em hong

- Thay mi

- Thay mi

6

O truc

vt

Tieng keu cua

bac an

- Boi trn khong tot

- Bac an h

- Kiem tra boi trn nh ky

- Thay mi bac an

Truc vt

chuyen ong

khong ong

tam

- Bac thau cuoi truc

mon - Thay mi

2. Mot so hnh nh cua bm truc vt

Bm truc vt Motor truc vt

Bun rac quan vao truc vt Khuc go vng vao truc vt

oan go da ket trong truc bm Rac sau khi a lay ra khoi truc bm

5.2. My sc kh:

1. X ly s co:

Cac bo phan h hong thng gap cua thiet b suc kh:

Bo phan ieu kien (phan ien ieu khien cua tu ien tren b ho)

Motor

Bo truyen ong trung gian (Khp noi gia motor va hop giam toc)

Hop giam toc (hp gim tc hiu Rexnord v hp gim tc hiu RR) B gii nhit nht cho hp gim tc hiu RR.

Canh khuay

Bo khung va phao

Bang thong ke nhng nguyen nhan h hong va cach khac phuc:

STT Hang


1

Phan

ieu

khien

en OV.HEAT

Tai cac tu LCP:

AERATOR ngoai

ho bat sang

- Qua nhiet Motor

- Kiem tra he thong boi

trn, lam mat cua Motor

- Kiem tra c cau giam toc

quay nhe hay nang, Kiem tra

Motor.

en OVER

CURR trong ban

ieu khien bat

sang.

- Qua tai Motor.

- Kiem tra Motor.

- Kiem tra c cau giam toc

quay nhe hay nang.

- Kiem tra mat pha.

MCB, MCCB t

ngat.

- Qua dong tren CB do

siet cap khong chat.

- Dong cat cua CB

nho so vi tai.

- CB h do a s dung

qua thi gian qui nh.

- Ve sinh , kiem tra vt siet

cap.

- Thay CB co dong cat ln

hn.

- Thay CB mi.

Rle nhiet ngat.

- Motor chay qua

dong.

- Num ieu chnh

dong ngat cua rle

nhiet cha ung.

- Rle nhiet h .

- Kiem tra Motor.

- Chnh lai dong ngat cua

rle nhiet.

-Thay rle nhiet.

STT Hang


Rle kieng

khong hoat

ong.

- Cac tiep iem rle

kieng b h, do ho

quang ien khi ong

ngat.

- Ve sinh cac chan re

kieng hay thay rle kieng

mi.

Khi ong t

khong hoat

ong.

- Khi ong t thng

b h cac tiep iem

chan NO/NC do chu

tac ong cua ho quang

ien lau ngay.

- Thay mi khi ong t.

2

Motor

Motor khong

hoat ong.

-Tiep iem khong

tiep ien.

- Stator b chay.

- Kiem tra tiep ien

- Kiem tra mat pha, o

kiem dong chay, quan lai

Motor.

Tieng keu khong

bnh thng cua

bac an.

- Boi trn khong tot.

- Bac an h.

- Kiem tra boi trn ung

nh ky.

- Thay mi bac an cua

roto.

3

Bo

truyen

ong

trung

gian

Khi khi ong

nghe tieng keu

la.

- Bac an thieu boi

trn.

- Khp noi hong.

- Bac an h.

- Cao su em hong.


ng ky.

- Thay mi.

- Thay mi bac an.

- Thay mi.

4

Hop

giam

toc

May hoat ong

co tieng on ln

phat ra t hop

giam toc.

- Bac an h.


- Banh rang an khp

khong eu.

- Thay mi bac an.


nh ky, kiem tra bo phan

bm nht cua hop giam toc

(thng b nghet ng ong,

hoac nht d ).

- Can chnh lai (thng la

do bac an hong ).

5

Phao

va

khung

phao

Phao b nghieng.

- B rung.

- Can chnh khong

eu.

- Han lai hay thay mi.

- Can chnh lai (bm nc

vao ).

2. Nhng hnh anh ve cong tac bao tr:

Dung may bm e hut nc t phao ra ngoai e can bang phao

Gian cong tac di ong S dung palang e thao motor

Cau motor t ho va chuyen vao xng Stator cua Motor

Rotor cua motor em cao su va khp noi

em cao su b hong Khp noi hong

Vo khp noi trung gian Ben trong cua khp noi trung gian

5.3. Cu cng tc v my nn kh:

1. X ly s co:

Cac bo phan h hong thng gap cua cau cong tac:

- Bo phan ieu kien.

- Cac cong tac va cam bien e kiem soat s di chuyen va cac hoat ong khac.

- Motor ien hai chieu, 2 toc o co the di chuyen cau len xuong kenh lang.

- Hop giam toc.

- Bo truyen ong banh xe cua cau cong tac.

STT Hang


1

Phan

ieu

khien

en flash se

chp sang. - He thong co loi.

- Kiem tra he thong sau

o nhan nut Reset.

en SAN.EXC

bat sang.

- Cat di ay mng

nhieu.

- Kiem tra hoat ong cua

hai may nen kh.

en SLIP FLT.

bat sang. - Cau b trt ngang. - Can chnh lai he thong.

en OBS.FAUL

bat sang.

- Co vat can cac

au ng ray.

1- Kiem tra ng ray,

banh xe ng ray.

NO.W.LONG bat

sang.

- Khi mo t truyen

ong cho cau dng

qua lau.

- Khac phuc s co, nhan

Reset.

Rle nhiet ngat.

- Motor chay qua

dong.

- Num ieu trnh dong

ngat cua rle nhiet

- Kiem tra Motor.


rle nhiet.

STT Hang


cha ung.

- Rle nhiet h.

- Thay rle nhiet.

2 Cam

bien

He thong bao

loi (thng co

en ch th ).

- Cam bien tac ong.

- Cam bien h.

- Kiem tra x ly loi, sau

o nhan Reset.

- Thay cam bien khac.

3 Motor

Motor khong

hoat ong.

-Tiep iem khong tiep

ien.

- Stator b chay.

- Kiem tra tiep ien.

- Kiem tra mat pha, quan

lai Motor.

Tieng keu

khong bnh

thng cua bac

an.


- Bac an h.


nh ky

- Thay mi bac an.

4

Hop

giam

toc

May hoat ong

co tieng on ln

phat ra t hop

giam toc.

- Bac an h.


- Banh rang an khp

khong eu.

- Thanh rang an

khp vi banh rang

truyen ong cau cong

tac b mon.

- Cap banh rang khp

Motor vi hop giam

toc b mon .

- Thay mi bac an.


nh ky.

- Can chnh lai

(Thng la do bac an

hong )

- Lam mi thanh rang va

banh rang (thng do bac

an h).

- Thay mi (thng do

bac an hong).

5

Bo

truyen

ong

banh xe

cua cau

cong

tac.

Khi cau chuyen

ong nghe tieng

keu banh xe.

- Bac an banh xe

ng ray thieu m.

- Caosu noi truc b v

do lao hoa.

- Bac an o truc

gia hai banh xe thieu

m hoac b h.

- Tra m ung nh ky.

- Thay mi.

- Tra m hoac thay mi.

2. X ly s co may nen kh:

Cac bo phan h hong thng gap cua May nen kh.

- Bo phan ieu kien.

- Motor may nen.

- Quat giai nhiet.

- Thiet b loc gio.

- Bo truyen ong bang ai.

- Bo phan nen kh.

STT Hang


1

Phan

ieu

khien

en OV.HEAT

sang.

- Qua nhiet Motor may

nen.

- Kiem tra he thong boi

trn, lam mat Motor.

- Kiem tra quat giai nhiet.

en OV.CURR

trong ban ieu

khien bac sang.

- Qua dong Motor may

nen.

- Kiem tra Motor.

- Kiem tra c cau van

hanh quay nhe hay

nang(van e boi trn).

- Kiem tra mat pha Motor.

Rle nhiet ngat.

- Motor chay qua

dong

- Num ieu chnh

dong ngat cua rle

nhiet cha ung.

- Rle nhiet h.

- Kiem tra Motor.


rle nhiet.

- Thay rle nhiet.

2 Motor

Motor khong

hoat ong.

-Tiep iem khong tiep

ien.

- Stator b chay.

- Kiem tra tiep ien.

- Kiem tra mat pha, quan

lai Motor .

Tieng keu

khong bnh

thng cua bac

an.


- Bac an h.


nh ky

- Thay mi bac an.

3 Quat Quat khong hoat - Quat giai nhiet - Kiem tra nguon ien

STT Hang


giai

nhiet

ong, nhiet o

vo hop may cao

hn bnh

thng.

khong lam viec..

- Quat quay yeu ,

nhiet o vo quat cao.

cung cap cho quat.

- Kiem tra dau m , ve

sinh lai quat giai nhiet.

- Thay quat mi..

4

Thiet b

loc gio

may

nen

Li loc ban. - Ve sinh khong tot.. - Thao ra ve sinh.

5

Bo

truyen

ong

ai

May hoat ong,

puli va day ai

phat ra tieng

keu la.

- Day ai trung.

- Puli Motor va Puli bo

phan nen kh khong

ong truc.

- Puli mon.

- Day ai mon.

- Can chnh lai.

- Can chnh lai.

- Thay mi.

- Thay mi.

6 Bo phan

nen

May hoat ong

nghe tieng keu.

- Bac an hai truc

nen het han s dung.

- Cap banh rang hai

truc nen mon.

- Boi trn kem.

- Nht d ban.

- Thay mi.

- Thay mi (Thng do

bac an hong).

- Tra nht ung nh ky.

- Thay nht mi.

Ap suat au ra

thap.

- Li loc gio qua

ban, lam lu lng gio

au vao thap.

- Khe h gia cac cau

kien trong buong nen

ln.

- Toc o vong quay

Motor khong u.

- Ve sinh li loc.

- Can chnh, thay mi

thiet b.

- Kiem tra Motor.

5.4. My ti ct:

OM BHH edit.pdf

Documents

Transcript of OM BHH edit.pdf