Chuong 2-Bao Bi Kim Loai
Transcript of Chuong 2-Bao Bi Kim Loai
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2.3. BAO B KIM LOI2.3. BAO B KIM LOI
q c tnh chung
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q Bao b st ty
q Bao b nhm
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2.3.12.3.1 C TNH CHUNG
v u im Nh, thun li cho vn chuyn m bo kn (thn, np, y cng loi vtliu)
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Truyn nhit tt, chc chn C b mt bng p, hp dn, c th in vtrng m vecni bo v nn thch hp cho nhiu
loi sn phm thc phm D gia cng, sdng, vn chuyn v bo qunv Nhc im: - D bn mn
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2.3.2 PHN LOI2.3.2 PHN LOI
Vt liu chto
St tySt ty
-- St hSt h
Cng ngh chto
NhmNhm
-- tinh tinh
2 mnh2 mnh
- Thn dnh
3 mnh3 mnh
-- Gm thn,Gm thn,
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thicthic
- C0,2%;Mn 0,8%;Si 0,4%;
P 0,05%;S 0,05%
khit tkhit tn 99%n 99%
lin vi y,np ri cghp vi thn
-- Chto
theo cngngh kovut
np v ynp v y
-- Thn cunThn cunli v ghpli v ghpm thn, npm thn, np
v y ghpv y ghpm vi thnm vi thn
* St m Crom/oxyt* St m Crom/oxytCromCrom
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2.3.3 BAO B ST TY2.3.3 BAO B ST TY
1. Qui cch vt liu thp trng thic- Thp tm dng lm lon hp bao b thc phmc phn theo mt s loi: L, MR, N, D, MC tythuc thnh phn cc kim loi c trong thp
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Loi
Thnh phn cc kim loi khc(theo % ln nht) Tnh cht ng dng
C Mn P S Si Cu
L 0,13 0,6 0,015 0,05 0,01 0,06
tinh sch cao,hm lng kimloi tp thp
Dng cho bao bcha thc phmc tnh n mncao
MR 0,13 0,6 0,02 0,05 0,01 0,2
tinh sch khcao, Cu, P tng,
thn dn ch
Thng dnglm bao b ng
rau u, tht, cc
Mt sloi thp sdng lm bao b st ty phbin
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to thp tmtrng thic
loi thc phmc tnh n mnthp
N 0,13 0,6 0,015 0,05 0,01 0,2
tinh sch caosong thnh phnN tng (0,02%)
nn cng tng
Lm thng chac th tch lncn cng
chc, lm npbnh phun tia
D 0,12 0,6 0,02 0,05 0,02 0,2
C gim, P v Cutng nn c bn c, bndo cao
Dng ko si, ch to lonhai mnh
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2.3.3 BAO B ST TY (tt)2.3.3 BAO B ST TY (tt)
2. Tiu chun trng thic- Thic sdng trng ln b mt thp c tinh khit n 99,75%
- Lon cha ng thc phm c trng thic
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, - , g m , c n , g m
- Thic c thtrng bng phng php nhng(14-15kg/tn thp) hoc min (4-5kg/tnthp)
- Tm thp sau khi m thic c ph lp dubi trn DOS (dioctyl sebacate) t2-5mg/m2
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Mt hng K hiu Phn loi c t rng
Sn phm
cn n u i
B SngB mt thic sng bng,trn nhn, phn chiukh tt
R B mt thic sng c vn
nhb m t mi
BB mt hon thnh ca thp trng thic
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mt lnS Bc B mt lp thic bng, c
mu bc c
M Xn Lp thic khng sng bcm tr nn c xm
Sn phmcn ngui
hai lnR B mt sng bc c vn
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2.3.3 BAO B ST TY (tt)2.3.3 BAO B ST TY (tt)
3. Cu to tm thp trng thic1. Lp du DOS(0,002m)
2. Lp Sn2O
0 002 m
Lp oxyt
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3. Lp Sn(0,35m)
4. Lp FeSn2(0,15m)
5. Lp Fe nn(0,2 - 0,36mm)
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4. Qui trnh cng ngh chto lon st ty
Nguyn l iuNguyn l iu Ra lp du,Ra lp du,sy khsy kh
Cun, hn m thnCun, hn m thn
Ct stCt st
Tch lonTch lon
Loe mingLoe ming
Dung mi hu cDung mi hu c(bc hi)(bc hi)
Sn phm thn ghp ySn phm thn ghp y
To gnTo gn
SySy
Ghp my v thnGhp my v thnPh vecniPh vecni
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Bc 1Bc 1:: Ct thnh nhiu tm nh c chiu rngbng chiu cao lon
Bc 2Bc 2::Ct thnh tm nh c chiu di bng chu
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Cc bc ct st to lon 3 mnh
vi y lon
Bc 3Bc 3:: Ct gc, gp mp to m thn
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b) M i ghp mb) M i ghp mthnthn
a) Thn tr chuna) Thn tr chunb ghp mb ghp m
c)Thn tr cc)Thn tr cghp mghp m
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Cun hn m thn
Mt ct ngang mi ghpthn t heo phng php
chc
Mt ct ngang mi ghpt hn theo phng php
hnin
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p chy
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hn
tn
lm sch
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Nguyn liu thpNguyn liu thptm trng thictm trng thic
Ra lp du,Ra lp du,sy khsy kh
Trng vecniTrng vecni
Sy kh 210Sy kh 210ooCC
Ct st nh hnhCt st nh hnh
VecniVecni
Sy khSy kh6060ooCC
Dp to gn v mcDp to gn v mc
Vin npVin np
Phun cao suPhun cao sum knm kn
Cao su dngCao su dngpastapasta
Np hocNp hocyy
Qui trnh chto np hoc y lon ba mnh
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V tr phun cao su m knV tr phun cao su m kn
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Np lon gia cng hon chnhNp lon gia cng hon chnh
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B mt y hoc npB mt y hoc npc gn chu lcc gn chu lc
Thn hp cThn hp chn m loe mphn m loe mp
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V tr thn v np lcV tr thn v np lcchun b ghp mchun b ghp m
Cu to m i ghp thnCu to m i ghp thnv np hon chnhv np hon chnh
Ghp m
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Con ln ghp m ln th nht Con ln ghp mln th hai
Np
Np
Thn
Mm cp
Thn
Con ln ghp m ln 2
Np
Mm cp
Con ln ghp m ln 1
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nng
Lc nng bn kp theo chiu thng ng hoc nngLc nng bn kp theo chiuthng ng hoc nng
nng
S mm cp ghp m vS mm cp ghp m vcc con lncc con ln
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Qu trnh to mi ghp gia thnQu trnh to mi ghp gia thnv y hoc npv y hoc np
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My ghp m th cngMy ghp m th cng
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My ghp m bn tngMy ghp m bn tng
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My ghp m bn tngMy ghp m bn tng
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1: ng cin
2: bnh rng
3: con ln
4: hp
5: mm di
6: trc mm
7: c cu a con ln tinst hp
8: bn p
My ghp m bn tngMy ghp m bn tng
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My ghp m tngMy ghp m tng
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Cc con ln ghp m hp vungCc con ln ghp m hp vung
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Dy chuyn rt, ghp m lonDy chuyn rt, ghp m lon
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Cc kch thc tiu chun ca mi ghpCc kch thc tiu chun ca mi ghp
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Ch iu cao m qu ln Mc thn qu ngn Mc thn qu di
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Mc np qu di Phn chng m b htMc np qu di
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e
Mt s kiu lon ba mnh in hnhMt s kiu lon ba mnh in hnh
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a: Chiu cao m hp
: Chiu dy m hp
h: Chiu cao trong ca hp
Kch thc hp trnKch thc hp trn
: u cao ngo c a pd: ng knh trong ca hp
D: ng knh ngoi cahp
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v Tnh kch thc ca hp trn:- ng knh ngoi D:
D = (d + 2) 0,05 mm
- Chiu dy m hp: = (3s1 + 2s2 + 0,16) 0,12 mms1,s2: l chiu dy l st lm np, thn.0,16: chiu dy trung bnh ca lp m cao su0,12: sai s chiu dy l st
- Chiu cao n oi H:H = R a = h + 2c + 2s1R: chiu rng ca ming st ct lm thn hp
a: chiu cao m hp, a=3,2mmc: chiu su ca np hp, thng c=3,2mm
- Chiu cao trong h:h = R (a + 2c + 2s1) = R 2s1 9,6 mm
- Thtch hp V:
V = .d2.h/4 = 0,7854d2h = 0,7854d2(R 2s1 9,6)
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Mt s c lon ba mnh in hnhMt s c lon ba mnh in hnh
ng knh v chiucao H Phm vi s dng 153 x H178
153 x H114
99 x H119
Rau qu, thtC
Sa bt, c ph bt, rau qu
83 x H113
74 x H113
50/52 x H132
57/65/62 x H91
52 x H89
Rau qu , thc ph m dng htkh
Rau qu, tht cNc qu, nc ung cc loi
Nc qu, nc ung cc loiC, ht ging
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2.3.4 BAO B NHM2.3.4 BAO B NHM
1. c im bao b nhm C dng tr trn thuc loi lon hai mnh: thndnh lin y v np
Nhm c mm do cao v nhit nng chy
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phng php dp, vut
Thng c dng cha nc gii kht cgaz, bia, c to p lc bn trong bao b
Nhm dng lm bao b c tinh khit 99-99,8%
dy l nhm lm lon hp khong 320m
L nhm dng gi ko, socola, phomat
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Qung bauxitQung bauxit Tinh chTinh ch
in phnin phn
Nhm nng chyNhm nng chy
Oxyt nhmOxyt nhm
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Qui trnh sn xut nhm l
Cun l nhmCun l nhm
Rt khun to thiRt khun to thi
Cn thnh tmCn thnh tm
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Cun nhml
Bi trnDui, tri thng
Ct thnh hnh trn Ct thnh hnhtrn np
To kha np
Dp to hnhthn tr s b D
p to hnh np,to mc np
Nong vut to thn trc ch.cao yu cu v
to dng y lon
Ct phn tha vin
Gn kha npvo tm np
Ra sch chtbi trn
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m ng on
Ra sch chtbi trn
In mt ngoi, loe mp
Ph vecni bov lon, np
Sy khvecni
Phun cao sum kn
Thn lonthnh phm
Np thnhphm
Qui trnh ch to thn & np lon nhmQui trnh ch to thn & np lon nhm
Sy thn lon
Sy kh
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* Ch to thn hp
Nguyn liu cun nhm: 11250 kg, 508-762 m,
rng 127-152,4 mm, dy 0,32 mm Phn bng c vut qua 2 giai on: bng londy 109m, thn gn ming lon dy 168m
Thtch lon: 355 ml, 330 ml, 375 ml, 500 ml
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Phn y c to thnh vm lm tng chc y lon
* Ch to np lon
T
cng cun nhm s
n xu
t thn
Phun cao su m kn sau khi trng ph vecni
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4040Cc bc sn xut thn hp 2 mnhCc bc sn xut thn hp 2 mnh
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4141Cc bc to hnh thn hp 2 mnhCc bc to hnh thn hp 2 mnh
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Qui trnh p vut thn hpQui trnh p vut thn hp
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4343Cu to lon nhmCu to lon nhm
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