NMDC Vocational Training Report

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Government Engineering College Jagdalpur (Bastar), C.G. Department Of Mining Engineering A VOCATIONAL TRAINING REPORT on NATIONAL MINERAL DEVELOPMENT CORPORATION, BACHELI submitted to:- Mr. S.K. PRAJAPATI BY KULSHRESTH SINGH SEMESTER-5 TH BRANCH: MINING ENGINEERING ROLL NO.- 3083913028 SESSION: 2015-16

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A vocational or summer training report on open cast mine NMDC, Bacheli (Chhattisgarh). This report helps you to how to make training report for presentation.

Transcript of NMDC Vocational Training Report

GovernmentEngineeringCollegeJagdalpur(Bastar), C.G. DepartmentOfMiningEngineeringAVOCA!O"A# $A!"!"G $E%O$on"A!O"A# M!"E$A# DEVE#O%ME" CO$%O$A!O", BAC&E#!su'mitted to()Mr. *.+. %$AJA%A!B,+-#*&$E*& *!"G&*EME*E$).&B$A"C&(M!"!"G E"G!"EE$!"G$O## "O.) /01/23/041*E**!O"( 403.)35Vo6ational raining $eporton "ational Mineral Development Corporation,B!OM (Bailadila !ron Ore Mines), Ba67eli Comple8ACKNOWLEDGEMENT9e are t7an:ful to our %rin6ipal, Mr. G.%.+7are ; Mr. *.+.%ra our sin6ere gratitude and inde'tness to t7e fa6ult>and staff mem'ers of Department of Mining Engineering, GEC Jagdalpur, fort7eir 7elp at different times and for 7is 6onstant supervision, guidan6e,motivation and support at ever> stage of t7is pro of !$O" O$Eeffi6ientl> ; e6onomi6all> =it7 due regard to *afet>, Conservation,Environment ; Eualit>.%rodu6tion %ropi6all> free fromsulp7ur and ot7erdeleterious material. *ometimes t7e iron 6ontent of t7e ore isfound to 'e as 7ig7 as 52..H."MDC, Ba67eli Comple8Bailadila !ron Ore Mine (B!OM),Ba67eli Comple8, %it "o. .C7apter 4(B!OM, Ba67eli Comple8, %it"o..( At a Glan6eCommissioned (Januar>, 32DDMining lease area(.C0.0. &e6t. (upto *ept. 403.)>pe of Ore (&ematiteMa8imum grade(G52H AeAverage grade(G55H Ae$eserve and $esour6es(/D.... M as on 03.0C.403.$e6ent E8plorator> Drilling (C30C m (from 4034)%rodu6t ( #ump ()3.0 mm G30 mm)Calli'rated #ump Ore()C0mm G30mm)Aines ()30 mm)Annual arget ( 1.4 M of $OM and 3.. M of 9A*E%ort of E8port (Vis7a:7apatnam$ail lin: to ViIag(CD3 :m"earest Airport ( $aipur%resent &ig7est Ben67 $# (3311 m%resent lo=est Ben67 $# (3040 mAverage $ainfall (/3. 6mCertifi6ation ( !*O 2003(4001, !*O 3C003(400C, !*O 31003(400D"o. of Emplo>ees (3DDD as on 03.34.403/Conve>or *>stem) unnel lengt7 ( 4.3C :m Conve>or lengt7 (C.14 :m C7apter /(#OCA!O" ; GEO#OG, #OCA!O"7e mape)3 and >pe)4 ore=7i67 are steel gre> 7ematite and 'lue gre> 7ematite respe6tivel>. !ron ore oft7isareaisdistri'utedint7eformof lenti6ular depositsint7eEasternand9estern ridges of t7e Bailadila !ron Ore *eries.GEO#OG,Deposit). is t7e *out7ern most deposit in t7e 9estern ridge of t7eBailadila !ron Ore $ange. 7e deposit 7as a stri:e lengt7 of /.00 m and 7as t7e=idt7 var>ing 'et=een 300 m to C00 m. 7e =estern side of t7e mine is mar:ed'> a 6liff, =7i67 goes almost verti6all> do=n for a'out /00 m. 7e ore 'od>stri:es "/DJE and 7as a deep var>ing =it7in t7e range of C.J)50J to=ards east.7e sout7 'lo6: 7as a stri:e lengt7 of 3 :m, t7e 6entral and nort7)=est 'lo6:s 3:m and t7e nort7 'lo6: o66up>ing t7e rest of t7e area.%etrograp7i6 studies of ea67 ore t>pe 7ave 'een 6arried out t7e ore t>pes en6ountered in t7e area 7ave follo=ing grade and 'ul: densit>.!n Addition to a'ove t7e =aste en6ountered 7as follo=ing grade and 'ul: densit>.S.no. Ore Type Fe%Bulk Dens!y" T#M$ %3. *7ale /. 4.54.Banded &ematiteEuartIite (B&E)C0 /.4S.No. Ore Type Fe%Bulk Dens!y"T#M$%3. *teel Gre> &ematite 52 C..4. Blue Gre> &ematite 51 C.4/. #aminated &ematite 55 /..C. #ateriti6?#imoniti6 Ore 50 /.4.. Ala:> Ore?Blue dust 55 /.0C7apter C(M!"E *-$VE,!n "MDC (Ba67eli Comple8), t=o ma eKuipment used to surve> t7e mine field()3. OA# *A!O"4. DG%* (Differential Glo'al %ositioning *>stem)3. OA# *A!O"A !o!&l s!&!onorTST "!o!&l s!&!on !'eo(ol!e%is an ele6troni6?opti6alinstrument used in modern surve>ing and 'uilding 6onstru6tion. 7e total stationis an ele6troni6 t7eodolite(transit) integrated =it7 an ele6troni6 distan6emeter(EDM) to read slope distan6es from t7e instrument to a parti6ular point.An)le Me&sure*en!+Most modern total station instruments measure angles '> means of ele6tro)opti6al s6anning of e8tremel> pre6ise digital 'ar)6odes et67ed on rotating glass6>linders or dis6s =it7int7einstrument. 7e'est Kualit>total stations are6apa'le of measuring angles to 0.. ar6)se6ond. !ne8pensive L6onstru6tion gradeLtotal stations 6an generall> measure angles to . or 30 ar6)se6onds.Ds!&n,e Me&sure*en!+Measurement of distan6e is a66omplis7ed =it7 a modulatedinfrared6arriersignal,generated'> asmallsolid)stateemitter =it7in t7e instrumentMsopti6al pat7, and refle6ted '> a prism refle6tor or t7e o'. 7emodulation pattern in t7e returning signal is read and interpreted '> t7e6omputer in t7e total station. 7e distan6e is determined '> emitting andre6eiving multiple freKuen6ies, and determining t7e integer num'er of=avelengt7sto t7e target for ea67 freKuen6>. Most total stations use purpose)'uilt glass6orner 6u'eprismrefle6torsfor t7eEDMsignal. At>pi6al totalstation 6an measure distan6es =it7 an a66ura6> of a'out 3.. millimeters(0.00C2 ft) G 4 parts per million over a distan6e of up to 3,.00 meters(C,200 ft)$efle6torless total stations 6an measure distan6es to an> o'ed area. 7e ne=est generation of total stations 6an also s7o= t7e map ont7e tou67)s6reen of t7e instrument immediatel> after measuring t7e points.Appl,&!ons+otal stations are mainl> used '> land surve>ors and 6ivil engineers, eit7ertore6ordfeaturesasintopograp7i6surve>ingortosetoutfeatures(su67asroads, 7ouses or 'oundaries).In Mnn)+ otal stations are t7e primar> surve> instrument used in mining surve>ing.A total station is used to re6ord t7e a'solute lo6ation of t7e tunnel =alls (stopes),6eilings ('a6:s), and floors as t7e drifts of an underground mine are driven. 7ere6orded data are t7en do=nloaded into a CADprogram, and 6ompared to t7edesigned la>out of t7e tunnel.7e surve> part> installs 6ontrol stations at regular intervals. 7ese are smallsteel plugs installed in pairs in 7oles drilled into =alls or t7e 'a6:. Aor =all stations, t=oplugs areinstalledinopposite=alls, formingalineperpendi6ular to t7e drift. Aor 'a6: stations, t=o plugs are installed in t7e 'a6:,forming a line parallel to t7e drift.A set of plugs 6an 'e used to lo6ate t7e total station set up in a drift or tunnel '>pro6essing measurements to t7e plugs '> interse6tion and rese6tion.Me,'&n,&l &n( Ele,!r,&l Cons!ru,!on+otal stations are t7e primar> surve> instrument used in mining surve>ing.A total station is used to re6ord t7e a'solute lo6ation of t7e tunnel =alls (stopes),6eilings ('a6:s), and floors as t7e drifts of an underground mine are driven. 7ere6orded data are t7en do=nloaded into a CAD program, and 6ompared to t7edesigned la>out of t7e tunnel.7e surve> part> installs 6ontrol stations at regular intervals. 7ese are smallsteelplugsinstalledinpairsin7olesdrilledinto=allsort7e'a6:. Aor=allstations, t=o plugs are installed in opposite =alls, forming a line perpendi6ularto t7e drift. Aor 'a6: stations, t=o plugs are installed in t7e 'a6:, forming a lineparallel to t7e drift.A set of plugs 6an 'e used to lo6ate t7e total station set up in a drift or tunnel '>pro6essing measurements to t7e plugs '> interse6tion and rese6tion.4. DG%*D..eren!&l Glo/&l -os!onn) Sys!e*(DG%*) is an en7an6ement to Glo'al%ositioning *>stem t7at provides improved lo6ation a66ura6>, from t7e 3.)meternominal G%* a66ura6> to a'out 30 6m in 6ase of t7e 'est implementations. DG%* uses a net=or: of fi8ed, ground)'ased referen6e stations to'road6ast t7e differen6e 'et=een t7e positions indi6ated '> t7e G%* (satellite)s>stems and t7e :no=n fi8ed positions. 7ese stations 'road6ast t7e differen6e'et=een t7e measured satellite pseudo rangesand a6tual (internall> 6omputed)pseudoranges, andre6eiverstationsma>6orre6t t7eirpseudoranges'>t7esame amount.7e digital 6orre6tion signal is t>pi6all> 'road6ast lo6all> overground)'ased transmitters of s7orter range.Oper&!on+A referen6e station 6al6ulates differential 6orre6tions for its o=n lo6ationandtime. -sersma>'eupto400nauti6al miles(/D0 :m)fromt7estation,7o=ever, andsomeof t7e6ompensatederrorsvar>=it7spa6e( spe6ifi6all>,satellite ep7emeris errors and t7ose introdu6ed '> ionosp7eri6 and troposp7eri6distortions. Aor t7is reason, t7e a66ura6> of DG%* de6reases =it7 distan6e fromt7e referen6e station. 7e pro'lem 6an 'e aggravated if t7e user and t7e stationla6: Linter visi'ilit>LO=7en t7e> are una'le to see t7e same satellites.0&r&!ons+3. European DG%* "et=or:4. -nited *tates "DG%*/. Canadian DG%*C. Australia-os!1pro,essn)+%ost)pro6essing is used in Differential G%* to o'tain pre6ise positions ofun:no=n points '> relating t7em to :no=n points su67 as surve> mar:ers.7eG%*measurementsareusuall>storedin6omputermemor>int7eG%* re6eivers, and are su'seKuentl> transferred to a 6omputer running t7e G%*post)pro6essing soft=are. 7e soft=are 6omputes 'aselinesusing simultaneousmeasurement data from t=o or more G%* re6eivers.7e 'aselines represent a t7ree)dimensional line dra=n 'et=een t7e t=opoints o66upied '> ea67 pair of G%* antennas. 7e post)pro6essedmeasurements allo= more pre6ise positioning, 'e6ause most G%* errors affe6tea67 re6eiver nearl> eKuall>, and t7erefore 6an 'e 6an6elled out in t7e6al6ulations.Differential G%* measurements 6an also 'e 6omputed in real)time '> someG%* re6eivers if t7e> re6eive a 6orre6tion signal using a separate radio re6eiver,for e8ample in $eal ime +inemati6 ($+) surve>ing or navigation.7e improvement of G%* positioning doesnMt reKuire simultaneousmeasurements of t=o or more re6eivers in an> 6ase, 'ut 6an also 'e done '>spe6ial use of a single devi6e. !n t7e 3220s =7en even 7and7eld re6eivers =ereKuite e8pensive, some met7ods of2u&s1(..eren!&lG%*=ere developed,using t7e re6eiver '> Kui6: turns of positions or loops of /)30 surve> points.De3,es n,lu(e n DG-S+3. Base4. $over/. ControllerB&se+!n !ndia, t7ere is !G* (!nternational Geodatis *tation) situated inBangalore =7i67 =or:s 4C 7rs. and 6olle6t data from satellites. Base =or:s =it7referen6eto!G*data. Baselevelledandlo6ateat fi8edpoint inminefieldstation and leave it for 30)34 7rs. During t7is period, it re6eives and re6ords t7edata =7i67 6omes from !G* and also it 6olle6ts data from satellites. 7e reasonfor t7is t>pe of 6onne6tion in Base is to 6orre6t t7e re6eived data =7i67 6omesfrom satellite.Ro3er+ $over is t7e t>pe of Antenna =7i67 6onne6ts =it7 satellite and Base. !tis 6onne6ted =it7 Base '> $adio =aves. $over re6eives ra= data from satelliteand send it to Base =7ere it is 6orre6ted '> t7e re6orded data from !G*. After6orre6tion 7as 'een done, Base send 'a6: t7is data to $over.Con!roller+Controller is t7e digital devi6e =7i67 7as displa> unit. Controllerdispla>s t7e data =7i67 6omes from $over. !t 6al6ulate t7e re6eived data andgives t7e e8a6t lo6ation of point mar:ed on t7e field. !n !ndia, DG%* =or:s =it7 G"** (Glo'al "avigation *>stem *atellite).Ameri6a 7as 45 G%* satellite and $ussia 7as 40 G"** satellite.DG%* *urve> in Mine Aield BA*ECO"$O##E$C7apter .(M!"!"G MAC&!"A$, DE%#O,ED*."o. EKuipment Ma:e?Model Capa6it>otalfleet3 *&OVE#* BEM#?AA &!AC&!C.5, 1 ;1.16u.m.D4 D-M%E$* BEM#?CAE$%!##A$1. ;300 e3//9AE$*%$!"+#E$*BEM#41 ; /0+#CC DONE$* BEM#?CAE$%!##A$ D.A$O" E"D#OADE$CAE$%!##A$ 1 6u.m. 35MOO$G$ADE$*BEM# 4DB#A*&O#ED$!##*!"GE$*O##$A"D?A#A*CO%CO4.0 mm C1C$A9#E$D$!##*!"GE$*O##$A"D?A#A*CO%CO?*A"DV!C+304 mm /C7apter 5(D$!##!"G7erearet=oformsof ro6:'rea:ageviI., ro6:penetrationandro6:fragmentation. 7e former in6ludes drilling, 6utting, 'oring et6., =7ile t7e latterin6ludes 'lasting et6. 7e term ro6: penetration is preferred for all met7ods offorming a dire6tional 7ole in t7e ro6:. 7ere are man> t>pes of ro6: penetrationdependingont7e form ofenerg>appli6ation, viI.me67ani6al,t7ermal, fluid,soni6, 67emi6al et6. 7e me67ani6al energ>, of 6ourse, en6ompasses t7ema (a'out 21H) of ro6: penetration appli6ations toda>. 7e appli6ation ofme67ani6al energ> to ro6: 6an 'e performed 'asi6all> in onl> one of t7e t=o=a>s( '>per6ussive or rotar>a6tion. Com'iningt7et=oresults in7>'ridmet7ods termed roller)'it rotar> and rotar>)per6ussion drilling. !nsurfa6emining, roller'it rotariesandlargeper6ussiondrillsaret7ema67ines in =idest 6urrent use, =it7 rotar> drills 'eing 7eavil> favoured.Drilling is performed in order to 'last t7e over'urden, ore deposit, 6oal seamset6., sot7at t7e po=er reKuirement for e86avators toe8tra6t t7e materials'e6omes less. 7is also redu6es t7e =ear and tear of t7e e86avators, in6reasest7eir life, redu6es 6learingtime of materials, andde6reases operation6ost.Drilling 7oles are usuall> made in a Iig)Iag pattern .7e spa6ing 'et=een t7ero=s and 6olumn is of eKual lengt7.Classifi6ation of Drilling *>stems( Drilling ma67ines used in surfa6e mining pro t7e air pressure 6utting material is 6ome out.General Des6ription of !DM /0 E ()!DM /0Eis a 6ra=ler mounted rotar> drill, 'asi6all> a 7>drauli6 drill.Air is used onl> for flus7ing, in t7e 6ase of rotar> drill. !n t7e 6ase of D& drilling, air is used for 7ammer also.All ot7er operation are po=ered t7roug7 7>drauli6 s>stem. 7is ena'les more airto 'e availa'le for effe6tive drilling.*-B *,*EM ()3. %o=er %a6:4. &udrauli6 *>stem/. %neumati6 *>stemC. %ropulsion.. Aeed5. $otar> 7ead s>stem7e 'asi6 unit 6omprises of an under6arriage se6tion, =7i67 6arries t7e main frame.A 7>drauli6 motor and planetar> gear'o8 drives t7e tra6:.7e po=er pa6: and all t7e au8iliaries, li:e oil 6ooler, and 'lasting effi6ien6>.C7emi6al Content ( %E"G"9eig7t ( 300 ; 4.0 gm.Diameter ( .0mmS'o,k Tu/e1!nstead of ele6tri6 =ires, a 7ollo= plasti6 s7o6: tu'e delivers t7e firing impulse to t7e detonator, ma:ing it immune to most of t7e 7aIards asso6iated =it7 stra> ele6tri6al 6urrent. "O"E# s7o6: tu'e is a small diameter, t7ree)la>er plasti6 tu'e 6oated on t7e innermost =all =it7 a rea6tive e8plosive 6ompound, =7i67, =7en initiated, propagates a lo= energ> signal, similar to a dust e8plosion, at appro8imatel> 5,.00 ft?se6 (4,000 m?se6) along t7e lengt7 of t7e tu'ing =it7 minimal distur'an6e outside of t7e tu'e.C7emi6al Content ( %E" (30 mg?m)$eel lengt7 ( 3. mDe!on&!n) Fuse1Aor s7allo= dept7 (P/m), and for small num'er of 7oles, a detonator is inserted in t7e 6artridge itself and detonated and detonated '> ignition of safet> fuse or in6ase of ele6tri6 detonator, '> an e8ploder. !t 6ontains 6ore of %E" en6losed in a tap =rapped =it7 6lot7. !t loo:s li:e a plasti6 6ord. !ts diameter is . mm e8ternal and =eig7t a'out 40 g?m lengt7.!t 7as a VOD of 5.00 m?s. A large num'er of s7ots 6onne6ted =it7 detonating fuse 6an 'e 'lasted '> a single detonator.C7emi6al Content ( %E" (30 gm.?m)$eel #engt7 ( /D. m4. C&A$G!"G %$OCE** ()!n C7arging pro6ess, =e put *ME (*ite Mi8 Emulsion) in t7e Blast &ole.C7emi6al Composition ( Ammonium "itrate G little amount of fuelG=ater G Gasing agent (*odium "itrite,0.4H)otal *ME in t7e 6ontainer of BMD)%ump ru6: ( /DC. :g E4plos3e Es!*&!on13. Volume of Bore &oleQ *pa6ing 8 Burden 8 Bore &ole dept74. After volume find out, t7en it is multiplied '> final 6up densit> of *ME 6alledC7arging Aa6torE8ample (*pa6ing(s)Q 5m, Burden(')Q .m, Bore &ole dept7(7)Q 34mVolume of Bore &ole Q s 8 ' 8 7 Q 5 8 . 8 34Q /50 m/C7arging Aa6tor Q Vol. of Bore &ole 8 final 6up densit> of *MEQ /50 8 3.3Q /25 :g?m/G&sn) n SME13. Due to present of gasing agent in *ME, in 'ore 7ole after e8plosive filled, it undergoes to gasing pro6ess.4. 7e time ta:ing appro8. 4.)/0 min. for gasing. Cup (ens!y o. SME1Aill t7e 6up =it7 t7e amount of *ME and =eig7t 7e initial =eig7t of *ME Q 3./4 :g "o=, leave t7is for /0 min. After gasing, itFs final =eig7t is 3.3. :g/. *EMM!"G %$OCE** ()!n stemming pro6ess, fill t7e upper left portion of 'ore 7ole '> over'urden and drop t7e left detonating fuse =ire in t7e 'ore 7ole.C. A!$!"G %$OCE** ()!n t7e Airing pro6ess, =e ma:e run: #ine 6onne6tion in Drill Blo6:.7is is t7e 6onne6tion in =7i67 'last 7oles 6onne6ted to ea67 ot7er '> s7o6: tu'e and 6lamped. After t7is, =e ma:e one 'last 7ole as a firing point =7ere safet> fuse =ire atta67ed to t7e Ordinar> Detonator =it7 t7e 6rimp. C7emi6al 6ontent of OD R %E# G A*A$ate of 'urning of *afet> fuse =ire Q 340 se6.?mC7apter 2(EA$& MOV!"G EE-!%ME"* -*ED !" "MDC M!"E**&OVE#* (!t is used to e86avate t7e materials and loading it to t7e Dumpers.!ts 'u6:et 6apa6it> is 4C e.%o=er) 500 R D.0 +9D-M%E$* (!t is used to s7ift material from Kuarr> to 6rus7ing plant.!ts 6apa6it> is .0 tons.Material is loaded in it '> s7ovel.9AE$ *%$!"+#E$* (!t is used to sprin:le =ater on 7aul roads of mines.9ater sprin:ling is ne6essar> to suppress t7e dust parti6le and :eeping t7e environment of mines dust free.DONE$* (!t is used to s7ift material li:e 'oulders and loose iron ore from one pla6e to ot7er.!t pus7es t7e material '> its 'lade mounted on front side =7en it 6ra=ls.A$O" E"D #OADE$ (!t is used to fill final produ6t of 6rus7ing plant in t7e =agons.7e 'u6:et mounted in its front side.MOO$ G$ADE$* (!t used to maintain 7aul roads in good 6ondition.!ts main fun6tion is done '> its 'lade =7i67 is in middle of t7e eKuipment.Blade 6an 'e ad./. EKuipment is t7oroug7l> inspe6ted and all t7e defe6ts are listed.C. A defe6t list mentioned in t7e servi6e 'oo: '> operator of eKuipment is also 67e6:ed for 7is 6omplains... 9or: is planned and deadlines are made.5. *pare parts are arranged in advan6e for uninterrupted flo= of maintenan6e =or:.D. 9or: is started and progress in monitored on s7ift 'asis.8. 97atever =or: is 6arried out in a s7ift is mentioned in a s7ift log 'oo: =7i67 is referen6e for t7e ne8t s7ift people.