IS 3612: Crushing and grinding equipment - Classification and methods for measuring capacity PDF
Preview IS 3612: Crushing and grinding equipment - Classification and methods for measuring capacity
इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 3612 (1994): Crushing and grinding equipment - Classification and methods for measuring capacity [MED 17: Chemical Engineering Plants and Related Equipment] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 3612 : 1994 Indian Standard CRUSHING AND GRINDING EQUIPMENT- CLASSIFICATIONA ND METHODSFOR b MEASURINGCAPACITY ( First Revision ) UDC 621*925/*92: 66 6.012~4 @ BIS 1994 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 September 1994 Price Group2 Chemical Engineering Plants and Related Equipment Sectional Committee, HMD 17 FOREWORD sihT naidnI dradnatS ( tsriF noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht lacimehC gnireenignE Plants and detaleR tnempiuqE lanoitceS eettimmoC had neeb devorppa yb eht lacinahceM gnireenignE noisiviD .licnuoC Heavy eziS noitcuder is an tnatropmi tinu noitarepo hcihw sdnif noitacilppa ni tsomla all sdleif fo lairtsudni .ytivitca A mrofinu ,ygolonimret noitacifissalc and sdohtem rof gnirusaem yticapac lliw eb lufpleh ot eht ,edart resu and .rerutcafunam sihT standard was tsrif issued ni 1966. ehT suoirav stnemecnavda that evah nekat ecalp revo eseht sraey and eht ecneirepxe deniag yb eht yrtsudni ni this rotces detatissecen eht noisiver fo this standard. emoS fo eht tnatropmi segnahc edam ni eht standard era as :swollof )a suoiraV snoitinifed deifidom and emos ;dedda )b enifartlU gnidnirg sllim ekil nip ,llim rotirtta and tej llim ;dedulcni )c dohteM fo gniyficeps yticapac ;deifidom and )d yticapaC noitanimreted fo ball, elbbep and dor sllim .dedulcni nI gnitroper eht stluser fo a tset ro sisylana edam ni ecnadrocca htiw this standard, fi eht lanif ,eulav devresbo ro ,detaluclac is ot eb dednuor ,ffo ti shall eb enod ni ecnadrocca htiw SI 2 : 1960 rof,seIuR‘ gnidnuor ffo laciremun seulav ( revised )‘. --- IS 3612: 1994 Indian Standard CRUSHING AND GRINDING EQUIPMENT- AND METHODSFOR NOITACIFISSALC MEASURINGCAPACITY ( First Revision ) 1 EPOCS 3.3 eziS noitcudeR ssecorP 1.1 sihT naidnI dradnatS srevoc noitinifed fo 3.3.1 Crushing suoirav ,smret ,noitacifissalc ,erutalcnemon ssecorP fo gnidivid kcor yb wols gnisserpmoc sezis and sdohtem fo gnirusaem yticapac fo ti neewteb owt drah secaf os that ti skaerb otni gnihsurc and gnidnirg .tnempiuqe .stnemgarf 2 SECNEREFER 3.3.2 Breaking ehT naidnI Standards detsil woleb era yrassecen ssecorP fo gnidivid kcor otni seceip yb -ilppa stcnujda ot this standard: noitac fo ,tcapmi gnidneb and raehs .ecrof SI No. Title 3.3.2.1 Impact breakage traP\8)&4 1 ) : noitacificepS rof tset :seveis ssecorP fo gnikaerb fo kcor yb cimanyd tcapmi traP 1 eriW htolc tset sevies neewteb eht kcor and eht tcapmi/remmah ( third revision ) .ecafrus traPg(85:4 2 ) : noitacificepS rof tset seveis : 3.3.2.2 Shear breakage traP 2 detarofreP etalp tset ssecorP fo gnikaerb eud ot gniraehs fo kcor seveis ( third revision ) neewteb owt .secafrus traP&O;4 3 ) : noitacificepS rof tset :seveis 3.3.3 traP 3 dohteM fo noitanimaxe Grinding fo serutrepa fo tset seveis ssecorP fo gnicuder eht ezis fo and gnidivid ( third revision ) kcor yb snaem fo lautum lanoitcirf stcatnoc neewteb stnemgarf fo kcor ro neewteb -garf 3 NOITINIFED stnem fo kcor and ngierof seidob decudortni ni eht .ssecorp sihT sedulcni ezis noitcuder yb For eht esoprup fo this standard, eht gniwollof ,noisarba raehs and .tcapmi snoitinifed shall .ylppa 3.4 noitacifissalC fo senihcaM 3.1 kcoR 3.4.1 Crusher A kcor is an etagergga fo slarenim hcus as A enihcam gniyolpme gnihsurc ( ees 3.3.1 ) rof larutan ,kcor ,ero and yam edulcni rehto ralimis ezis noitcuder ni hcihw eht tcudorp ezis is slairetam ekil ,ekoc slag, .cte kcoR erutcurts denrevog ylegral yb a cificeps gninepo -teb yam eb fo ,elbairf evisarba ro ydnas .erutan neew owt secafrus and kcor .scitsiretcarahc 3.1.1 ehT kcor yam eb deifissalc as drah ( erom 3.4.2 Breaker than 800 amc/fgk ,) muidem drah ( 300 - 800 amc/fgk ) and tfos ( less than 300 *mc/fgk .) A enihcam gniyolpme gnikaerb ( ees 3.3.2 ) rof ehT kcor yam osla eb deifissalc no eht basis fo ezis noitcuder ni hcihw eht tcudorp ezis is krow xedni and evisarba .xedni denrevog ylniam yb eht ecrof fo eht wolb and kcor .scitsiretcarahc 3.2 ytilibahsurC 3.4.3 Grinder ehT ecrof &eriuqer ot kaerb eht kcor otni A enihcam gniyolpme gnidnirg ( ees 3.3.3 ) rof ,seceip yb noitacilppa fo a ,tcerid yllaudarg ezis noitcuder ni hcihw eht tcudorp ezis is ,gnisaercni evisserpmoc ecrof ( ees xennA A denrevog ylniam yb eht ytitnauq fo lairetam rof dohtem fo tnemerusaem fo ytilibahsurc .) degrahc rep tinu emit and kcor .scitsiretcarahc IS 3612 : 1994 3.4.4 Ultrafine Grinder 4.2 Breaker A enihcam rof gnicuder renif ezis skcor ot 4.2.1 Impact Breaker enifartlu sezis ( less than 10 snorcim .) A enihcam fo ralimis mrof ot eht remmah llim 3.5 Stages in Size-reduction ,tpecxe that eht teltuo is ,detcirtsernu os that gnikaerb is yb eerf tcapmi ylno and eht sremmah rebmuN fo stages ni ezis noitcuder is -reted yam eb yldigir degnih/dehcatta ot eht .rotor denim yb mumixam ezis fo ,deef mumixam ezis fo ,tcudorp gniviecer ytiliba and elbawolla 4.2.2 Hammer Mill noitcuder oitar rof ralucitrap enihcam ni hcae A enihcam rof gnikaerb kcor yb eerf and -ser .egats detcirt .tcapmi tI sesirpmoc a rotor gniyrrac 3.5.1 Primary rebmun fo discs and sremmah gnivlover edisni a ekil-xob rebmahc denil htiw ro tuohtiw setalp ehT gnihsurc deyolped ot kaerb /enim-fo-nur ro bars ni redro ot niatbo denimretederp .sezis detavacxe kcor deviecer yltcerid rof tsrif .gnissecorp 4.3 gnidnirG Mill 3.5.2 Secondary/Tertiary Crushing 4.3.1 Ball Mill ehT gnikaerb fo kcor that has neeb detcejbus A gnidnirg llim hcihw setator dnuor a -noziroh ot yradnoces/yramirp gnikaerb ni a enihcam tal sixa and uses balls fo leets ro rehto elbatius and is ot eb detcejbus ot rehtruf .gnikaerb lairetam ot ecuder eht ezis fo degrahc .slairetam 3.6 Reduction Ratio 4.3.2 Rod Mill ehT oitar neewteb eht 80 tnecrep passing ezis fo deef and eht 80 tnecrep passing ezis fo eht A gnidnirg llim hcihw setator dnuor a -noziroh dehsurc .tcudorp tal sixa and uses sdor fo leets ro rehto elbatius lairetam ot ecuder eht ezis fo degrahc .slairetam 4 NOMENCLATURE OP MACHINES 4.3.3 Tube Mill 4.1 Crushers A gnidnirg llim hcihw setator dnuor a -noziroh 4.1.1 Jaw Crusher tal sixa and has eht epahs fo a ebut fo hcihw A enihcam rof gnihsurc kcor ylniam yb -moc eht htgnel ot retemaid oitar is retaerg than noisserp newteb owt ralugnatcer secafrus ro .owt jaws, eno fo hcihw ( ylerar htob ) yletanretla sehcaorppa and sedecer morf eht .rehto 4.3.4 Autogenous Mill 4.1.2 Gyratory Crushers A gnidnirg llim hcihw setator dnuor a -noziroh A enihcam rof gnikaerb kcor ro ralimis ,lairetam tal sixa and uses elbatius sezis fo degrahc ylniam yb noisserpmoc neewteb a lleb depahs lairetam htiw ro tuohtiw leets balls as gnidnirg gnihsurc daeh and a lwob fo gnirepat -tcesassorc aidem ot ecuder eht ezis fo deef .lairetam noi nihtiw hcihw eht daeh sevom htiw a yrotaryg .noitom 7 eh daeh is detroppus at pot 4.4 artlU eniF slliM’gnidnirG redips and eseht sepyt fo srehsurc era yllamron deyolped rof yramirp .gnihsurc 4.4.1 Pin Mill 4.1.3 A gnidnirg llim erehw a etalp htiw nip ,setator Cone Crushers dehsem htiw yranoitats etalp htiw pins ot A enihcam rof gnikaerb kcor ro ralimis ,lairetam ecudorp enif selcitrap .ylsuounitnoc ylniam yb noisserpmoc neewteb a gnihsurc daeh hcihw has erom deralf lleb htiw -retni/mottob 4.4.2 Attritor etaidem troppus no lacirehps sgniraeb and a lwob fo gnirepat ssorc noitces nihtiw hcihw eht A llim gnitsisnoc fo a leets lessev dellif htiw gnihsurc daeh sevom htiw an cirtnecce .noitom leets balls fo 5 ot 10 mm and .lairetam A esehT epyt fo srehsurc era ylniam deyolped lartnec tfahs htiw sdor dehcatta eht selcitrap ot rof yradnoces and tneuqesbus stages fo norcim-bus .ezis .gnihsurc 4.4.3 Jet Mill 4.1.4 Roller Crusher A hgih erusserp ria tej is desu rof .gnidnirg diloS A gnihsurc enihcam gnitsisnoc fo eno ro erom selcitrap era decudortni otni eht tej aera cirdnilyc srellor gnivlover no rieht latnoziroh deainagro hcus a yaw that selcitrap era syawla .sexa ehT larehpirep secaf fo srellor yam eb nworht sdrawot eht tej and enif lairetam is ,htooms detagurroc ro .dehtoot ylsuounitnoc detarapes retfa .noitacifissalc 2 IS 3612 : 1994 5 METHOD OF SPECIFYING CAPACITY tcudorp fo hcihw 80 tnecrep passes hguorht SI eveiS ees[ ST 460 ( traP 1, 2 and 3 ) 5.0 Unless esiwrehto detats eht yticapac fo a gnidnopserroc ot gnitarepo egrahcsid gninepo : 1985 ] rehsurc shall eb denifed as detargetni thgiew ni and epyt fo .srellor sennot rep ruoh fo eht lairetam passing hguorht egrahcsid gninepo rep tinu fo emit desab no NOTE - tI si dednemmocer taht eht reilppus dluohs egareva gnitarepo ,snoitidnoc nehw handling edivorp a elbat fo seiticapac rof a cificeps deef ezis yrd elbairf lairetam fo muidem hardness gnivah dna a hparg fo eht eveis sisylana fo eht tcudorp at suoirav egrahcsid .sgninepo klub ytisned fo 6-l 8m/sennot and tfos lairetam gnivah klub ytisned fo 0.8 sm/sennot and assum- 5.3 gnidnirG Mill, sresirevluP and /selbbeP/llaB gni that 100 tnecrep fo deef is regral than doR Mill egrahcsid gninepo fo rehsurc htiw mumixam ezis ni deef 80 tnecrep fo rehsurc deef gninepo ehT yticapac shall eb desserpxe ni yad/sennot ( gnittes ) hcihw nac eb decuder ot tcudorp rof cificeps deef and tcudorp ezis fo hcihw 80 sezis as .deificeps tnecrep passes hguorht SI eveiS [ ees SI 460 ( traP 1, 2 and 3 ) : 1985 ] 5.1 Jaw, yrotaryG and enoC srehsurC ehT yticapac shall eb desserpxe ni smret fo NOTE - ehT rerutcafunam llahs hsinruf eht -wollof gni r,oitamrofni elihw gninifed eht yticapac fo latot tcudorp fo hcihw 80 tnecrep passes hguorht :sllim SI eveiS [ ees SI 460 ( traP 1,2 and 3 ) : 1985 ] gnidnopserroc ot gnitarepo egrahcsid gninepo )a Ball gnidaol egatnecreP- emulov fo llim -ucco deip yb eht gnidnirg .aidem fo eht .srehsurc NOTE - tI si dednemmocer taht reilppus dluohs )b lairetaM gnidaol noitcarf/egatnecreP- fo emulov edivorp a elbat fo seiticapac rof a cificeps deef ezis fo sdiov elbaliava neewteb sllab deipucco yb eht dna a hparg fo eht eveis sisylana fo eht tcudorp at .lairetam suoirav egrahcsid .sgninepo C) lliM gnidaol - egatnecreP emulov fo llim -ucco 5.2 relloR srehsurC deip yb htob lairetam dna gnidnirg .aidem ehT yticapac shall eb desserpxe ni mret fo latot 4 gnidnirG aidem ,ezis ezis noitubirtsid dna .thgiew ANNEX A ( Clause 3.2 ) METHOD OF MEASURING CRUSHABJLITY OF ROCKS A-l GENERAL mately flah fo eht lanigiro ,ezis eht noitacidni is that eht kcor has nekorb ton esuaceb fo an A-1.0 ytilibahsurC fo eht kcor is eht ecrof lanoisacco kaew ,enalp tub eud ot lareneg deriuqer ot kaerb eht kcor otni seceip yb -ilppa .eruliaf ehT egakaerb dluohs ton eb nekat as noitac fo a tcerid yllaudarg gnisaercni -serpmoc ot tneserper a etelpmoc eruliaf fo eht kcor evis .ecrof against eht desopmi gnihsurc ,ecrof fi ylno gnippihc .srucco A-l.1 skcoR as deniatbo ni erutan era syawla suonegorteh seidob gniwohs kaew .senalp fI eht kcor spihc rednu ,erusserp this gnippihc 2.l-A ehT kcor yllausu has egavaelc senalp ro yam eb eud ot yna eno fo lareves lanretni senoz fo ,snoitacifitarts hcihw yllareneg stneserper kaew ssenkaew hcihw yam ton ylirassecen eb a elbats .stops ,skcoR ,erofereht dluoc wohs tnereffid gnihsurc ecnatsiser ni tnereffid .snoitcerid nI citsiretcarahc fo eht .kcor tI is ,erofereht gninimreted gnihsurc ,htgnerts ,erofereht ti is yrassecen ot erusne that eht egakaerb is ton yrev yrassecen ot enimreted eseht snoitairav eud ot an lanoisacco kaew .tops nI a -elpmnc and ekat eht tsekaew ecnatsiser as eht gnihsurc ylet suonegomoh ydob tcejbus ot a lamron evisserpmoc stress eht egakaerb dluohs rucco htgnerts fo eht .kcor ni noitcerid lanogaid ot eht ydob gniogrednu 2-A PROCEDURE eht ,gnihsurc gnidleiy yletamixorppa lauqe dezis ,seceip htiw emos .senif ,eroferehT nehw eht 1.2-A A elbatius deraperp kcor nemiceps is lairetam skaerb otni sexis rellams than -ixorppa nekat and decalp no a mroftalp and erusserp is 3 IS 3612 : 1994 deilppa yllaciluardyh ro yb yna rehto snaem fo erusserp at eht emit of .erutpur ehT elbapac fo yllaudarg gnisaercni eht ,ecrof htiw nekorb seceip era denimaxe rof rieht .sezis noisivorp edam rof gnirusaem eht evisserpmoc fI eht nekorb seceip era reIlams than flah eht ecrof that semoc ot yalp no eht .kcor ehT ezis fo eht lanigiro ,eceip eht erusserp at hcihw yllaudarg noitacilppa fo erusserp yam eb eht erutpur koot ,ecalp decuder ot erusserp deveihca yb a ciluardyh sserp htiw a mar rep tinu ecafrus aera fo tcatnoc neewteb eht gnivah a ecafrus aera fo 10 *mc and eht dial kcor and eht erusserp gniylppa ,mar is nekat as gnidrocer eht erusserp detarbiIac ni smret fo eht gnihsurc .htgnerts fI eht kcor spihc no .%mc/fgk eht sides and seod ton kaerb otni seceip less than flah eht lanigiro ,ezis eht eulav yam eb ehT kcor dluohs eb deraperp os ot tneserp a eht dedragersid and a hserf elpmas nekat rof as tcatnoc ecafrus htob no eht mroftalp and ot .tset nI esac fo skcor gniwohs etinifed -erid eht ,mar eht aera fo hcihw dluohs eb at lanoitc snoitacifitarts ro ,snoitailof eht erusserp tsael 1.25 semit fo that fo eht mar and yam eb deilppa ni tnereffid snoitcerid -neserper dluohs ylluf revoc eht .mar ehT erusserp is gnit eht noitcerid fo noitacifitarts and a -erid yllaudarg desaercni litnu hcus emit that noitc at thgir selgna ot .ti ehT mumixam eulav a erutpur sekat ,ecalp gnihton nwod eht eulav deniatbo is nekat as eht gnihsurc .htgnerts 4 Bureau of Indian Standards SIB is a yrotutats noitutitsni dehsilbatse rednu eht Bureau of Indian Standards Act, 1986 ot etomorp suoiomrah tnempoleved fo eht seitivitca fo ,noitazidradnats gnikram and ytilauq noitacifitrec fo sdoog and gnidnetta ot detcennoc srettam ni eht .yrtnuoc Copyright SIB has eht thgirypoc fo all its .snoitacilbup oN trap fo eseht snoitacilbup yam eb decudorper ni yna mrof tuohtiw eht roirp noissimrep ni gnitirw fo .SIB sihT seod ton edulcerp eht eerf ,esu ni eht esruoc fo gnitnemelpmi eht standard, fo yrassecen ,sliated hcus as slobmys and ,sezis epyt ro edarg .snoitangised seiriuqnE gnitaler ot thgirypoc eb desserdda ot eht rotceriD ( snoitacilbuP ,) .SIB Revision of Indian Standards stnemdnemA era issued ot standards as eht deen sesira no eht basis fo .stnemmoc Standards era osla deweiver ;yllacidoirep a standard gnola htiw stnemdnema is demriffaer nehw hcus weiver setacidni that on segnahc era ;dedeen fi eht weiver setacidni that segnahc era ,dedeen ti is nekat up rof .noisiver sresU fo naidnI Standards dluohs niatrecsa that yeht era ni noissessop fo eht tsetal stnemdnema ro noitide yb gnirrefer ot eht tsetal issue fo SIB‘ ’koobdnaH and sdradnatS‘ ylhtnoM .’noitiddA sihT naidnI dradnatS has neeb depoleved morf toD : .oN DMH 17 ( ME .) Amendments Issued Since Publication dnemA .oN etaD fo eussI txeT detceffA UAERUB FO NAIDNI SDRADNATS :sretrauqdaeH Manak ,navahB 9 rudahaB Shah rafaZ Marg, weN ihleD 110002 senohpeleT : 331 01 31, 331 13 75 smargeleT : Manaksanstha ( nommoC ot all seciffO ) lanoigeR seciffO : enohpeleT lartneC : Manak ,navahB 9 rudahaB Shah rafaZ Marg { 331 01 31 WEN IHLED 110002 331 13 7s nretsaE : 41/l C. .I .T emehcS IIIV M, V. .I .P ,daoR alotkinaM 73f 84 99, 37 85 61 ATTUCLAC 700054 I 37 86 26, 37 86 62 nrehtroN : SC0 ,633-533 rotceS ,A-43 HRAGIDNAHC 160022 160 06f 38 43, 20 25, 532-t 02 16, 235 04 42 nrehtuoS : C. .I .T Campus, VI ssorC ,daoR MADRAS 600113 I 235 15 19, 235 23 15 nretseW : ,ayalakanaM 9E MIDC, ,loraM irehdnA ( East ) 236-l 92 95, 632 78 58 YABMOB 400093 1632 78 ;19 632 78 92 hcnarB : .DABADAMHA .EROLAGNAB .LAPOHB .RAWHSENABUHB .EROTABMIOC .DABADIRAF ,DABAIZAHG .ITAHAWUG .DABAREDYH JAIPUR. RUPNAK .WONKCUL .ANTAP .MARUPHTNANAVURIHT detnirP at llewtnirP .sretnirP .hragilA aidnI
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