CS249768B1 - Method of charge treatment for calcium carbide production - Google Patents
Method of charge treatment for calcium carbide production Download PDFInfo
- Publication number
- CS249768B1 CS249768B1 CS827132A CS713282A CS249768B1 CS 249768 B1 CS249768 B1 CS 249768B1 CS 827132 A CS827132 A CS 827132A CS 713282 A CS713282 A CS 713282A CS 249768 B1 CS249768 B1 CS 249768B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- coal
- temperature
- flo
- mpa
- calcium
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/942—Calcium carbide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/21—Attrition-index or crushing strength of granulates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Carbon And Carbon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Description
-1-
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CoOTBP.TCTBywmHM Η3θ6ρβΤβΗΗ10 cnoCOÓOM H3 ΠβρΒΗΗΗΟΓΟ CbipbH Η3ΓΟΤΟΒΠΗΗ)ΤΟΗ ΟΠΘ“UnaJibHbie δρηκετω, H3 kotópmx oflHocTyneHnaTbiM cnocoSoM nHpoJiH3a MoaceT npo-H3Bo/xHTbca BbicoKOKanecTBeHHaa KycKOBaa mKXTa. DJnxTa conépscHT Bce BHflbí cbi-pbH, HeoSxoflHMbie flJiH xnMjrcecKoro npouecca noJiyneHHH Kap6n.ua Kanbu,HH b Tpe-óyeMOM CTexnoMeTpHqecKOM cooTHomeHHH. DlHXTa oČnaflaeT bmcokoíi προηηοοτβιοh HfleaJibHo BefleT ce6n npH peaKijHH. Βρηκθτμ πιηχτμ Hcnonb3yioTca npH npoH3-BOflCTBe Kap6n,qa Kanbi^HH.
XapaKTepHCTHKa H3BecTHbix TexHHnecKHX pemeHHň fljia npoH3BoscTBa Kap6nfla xanbUHa no aneKTpoTepiloiqecKOMy cnocoSy TpeóyeTCHraiueHaa H3BecTb h kokc b CTexnoMeTpunecKOM cooTHomeHHH npn6.riH3HTe.nbHo60:40. IIohth Ha Bcex npoMbimneHHbix ycTaHOBKax Kap6nftHMe nenu 3'arpy»caioTcaCMecbio KHnejiKH h KOKca b yKH3aHHOM cooTHonieHHH Mace c yueTOM coflepatamHxcHb Cbipbe HHepTHwx MaTepHanoB h Tarase ποτερπ. TamenaH H3BecTb npoH3BOflHTCHb Ha3BaHHbix ycHoBHHX H3 H3BecTHHKa, a kokc H3 cooTBeTCTBywmero 6yporo HKaMeHHoro yrna οοοτβθτοτβθηηο Ha oTflenbHbix nHponH3Hbix ycTanoBKax. OflHaKO,npH 3arpy3Ke KapĎHRHoň nenn CMecbio MenKOKycKOBoň κηπθπη h KOKca, CKopocTbpeaKqHH o6pa3OBaHHH CaCz HBJíaeTca hh3koh. KpoMe τογο, stot bhp, 3arpy3KHneneíi Bbi3biBaeT bmcokhh ynejibHMň pacxofl SHeprHH h βμοοκηθ 3aTpaTM Ha CKJia-flnpoBaHHe 3anacoB h sarpy3Ky KapóHflHhix neneň. .
Kax H3BecTHo, Ha3BaHHbie HenocTaTKH ycTpaHHiOT nyTeM πρηγοτοβηθηηη πιηχτμ
ΑΠΗ npoH3Bop;cTBa Kap6Hp,a KaJibU,HH. IllHXTa coctoht H3 napTHepoB no peaKipiH 249768 -2-
CaO η KOKca β TpeByeMOM cTexHOMeTptraecKOM cooTHomeHHH η γομογθηηομ coCTaBeh oflHOBpeMeHHo oTJiHtiaeTCH BbicoKoň KyčKosaTocTbio, ocočbhho xopomHM npH no-bchghhh peaKpHH h bmcokhm ypenbUbíM bjigktphhcckhm conpoTHBJíeHneM· 3tot ypo-BeHb τεχΗΗΚΗ onucan, HanpHMGp, y IDTPHBEJ1H b pa6oTe "TpeSoBaHHa πεηπ pnanpoH3Bop;cTBa Kap6n,n;a KajibpHB κ KOKcy”, b ΦρεηδερΓεκΗΧ acypnajiax HccncpoBa-HHH A 14:0-1960. flaJiee H3B8CTCH CHOCOČ flJIH np0H3BOflCTBa HIHXTbl H3 H3BCCTKOBO_KOKCOBbrx βρκκετοΒ, npH κοτοροΜ TOHKO3epHHCTaa KHnejiKa h Μεπκκή kokc CMenm-BaiOTca c 20-30% cooTBGTCTByromcro CBH3yromero BemecTBa ot nepepaSoTKH cmojih•Η.ΠΗ ΗβφΤΗ H npeceyiOTCa B MGJIKOKyCKOBbIC 6pHK8ThI, npH OnTHMaJIbHbIX yCJIOBHHXČpHKGTHpOBaHHH. KpOMe 3ΤΟΓΟ HBOĎXOflHMO HOBTOpHOG KOKCOBaHHG 3THX ČpHKGTOBco CB33yiomnM. 3tot cnocoĎ, onHcaHHbiň PAMMJIEPQM h KOJIEM b "HccJiepoBaHHaxK Bonpocy Η3ΓΟΤΟΒΠεΗΗΗ Η ΠρΗΜβΒβΗΗΗ HSBGCTKOBO—KOKCOBblX 6pHK8TOB Β ΠΡΟΗ3-Βορ,οτΒε Kap6n.ua KajibpHa", ΦρεήδερτεκΗχ acypHanax HccjicpoBaHHHX A 364-1966,OTJIHHaeTCH TĚM HCflOCTaTKOM, HTO flJIH ero OCymeCTBJíeHHH HGoSxOflHMbl BblCOKOKa-yecTBeHHbie h floporae CBH3yrainHG BcnjecTBa, noJiynacMbic npH nepepaSoTKe yrjiaΗ ΗεφΤΗ. KpOMG ΤΟΓΟ, ÓpHKGTbl CO CBHayiOmHMH περερ; HCnOJTb3OBaHHeM B Kap6nfl-HOH nCHH TOJIbKO C LJGJIblO T8pMOCTa6HJIH3au;HH H BblBOPa ΠετΥΠΗΧ ΒβίςεΟΤΒ CBa-3γΐΟΠζεΓΟ, flOJBKHbl nOflBGpraTbCH nOBTOpHOMy KOKCOBaiIHtO, CBHSaHHOMy C BblCOKHMHτεχΗοποΓΗπεεκΗΜΗ 3aTpaTaMH, hgcmotph na το , ητο θρηκετω b ochobhom coctohtH3 CaO h MejiKoro KOKca h y®e oflHaanM nopBepraJiHCb ΒωεοκοτεΜπερΑτγρΉοΜγ πη-pOJIH3y. Πο DD-PS 123185 η τβκχε no ΚΡΥΓΥ, TPQMMEPY η ΒΑΥΗΠΟΡΦΥ b pa6oTG‘"ΠροΒβΒσρ- CTBO H3BOCŤKOBO-KOKCOBbIX 6ρΗΚεΤ0Β flJIH npOIJGCCOB C BblCOKHMH CKOPOCTHMH Ha-rpcBa", ΦρεηδερτοκΗΜ ®ypHaJioM HccjicpoBaHHH A 580-1977, Η3ΒεετκοΒθ-κοκεοΒΗε6pHKGTbI MOryT 6bITb nonynCHbl H 683 npHMCHCHHH ΟΒΗ3ΥΚ)ΠξΗΧ, GCJIH H3BGCTB B BH“pe raniGHOH H3BGCTH BMGCTG C KOKCOM ΤΟΗΚΟ H3MGJIbHaGTCH Η 33Τ8Μ 6pHKGTHpyGT—CH nop BblCOKHM paBJIGHHGM p /100 ΜΠβ. OflHaKO HpH 3TOM CIIOCo6e TepMOCTaSlUIb“,HHG δρηκετω nojiynaioTCH tojibko Torpa, Korpa 6ρΗκετΗργεΜ3Η Macca npcccycTcnnpH HanHHHH BJiaatHocTH 10 po 15% h hojihmh kokch ^30%.
TaKHM očpasoM, stot cnocoč oTJiHnacTCH tgm κεροοτητκοΜ, hto no HGMy Ηε mo-aSGT 6biTb nonyncHa niHXTa c τρεδγεΜΜΜ ctgxhomctphygckhm. coothoiiighhcm CaO/C,06oco6jighhog πρΗΜεΗεΗΗε KycKosoro KOKca ocTacTCH η pancc HeoSxopHMbiM. Kpů-MG 3ΤΟΓΟ, ΠΟ npHHHHG BblCOKOň BJI33KHOCTH 3THX H3B6CTKOBO“KOKCOBblX ÓpHKGTOB,OHH MOryT npHMGHHTbCH HGnOCpGflCTBGHHO. B Kap6HflHbIX nGHaX JIHHIb B HGČOJIblIIHXKOJIHHGCTBaX. ΠρΗ ÓOJIGG BMCOKHX flOJIHX H3BeCTKOBO—KOKCOBbie 6pHKGTbl, nCpGflHX npHMGHGHHGM B KapÓHflHblX nGHaX, flOJHKHbl 6blTbnoflBGprHyTbl TGpMHHGCKOňcpGflHOTGMnGpaTypHoň o6pa6oTKG c τβΜ, hto8h πρεΒρετΗΤΒ hx β 6g3bophmgCa0/KOKC^-6pHKGTbi. 3th bmcokhg ponojiHHTeJibHbiG TGXHOJiOFHHecKHG 3aTpaTH pojbk-Hbl SbíTb np0H3B8flGHbI J1HIUL· flJIH HGSHaHHTGJIbHOrO ΠΟΒΒΠΠ8ΗΗΗ o6oram8HHH CbipbH,
Tax KáK y®c rrepep sthm cSpHKGTHpoBaHHbiň kokc 6bui nonynéH BbicoKOTGMnGpaTyp·*HbM KOKCOBaHHGM. flOBH KOKca B ĎpHKGTaX H3 raHIGHOÍÍ H3B8CTH. H KOKCa MO3K8T 6bITb nOBbBUGHa ΠΟcpaBHeHHio c npepenoM ^30%, HasBaHHMM b DD-PS, 123185 8Cjih ramenan HasecTbH MGJ1KHH KOKC 6yp;yT CMGmaHbl H CnpGCCOBaHbl C ΟγΗΒφΗΤΗΒΜ OTpaĎOTaHHblM mano-kom. Πρκ 3Tom τεκ®ε β ΗεετοΗΐκεε bpgmh HHorpa πρΗΜεκπεΜΟΜ BapHaHTa, H3-3aBblCOKOrO COflGpxaHHH BJiarH Β βρΗΚεΤΒΧ H T3K®G H3“3a COflGp®aHHH JIGTyHHX, H8~nOCp8flCTB8HHO B Kap6HpHOň Π8ΗΗ ΜΟΓγΤ npHMGHHTbCB TOJIbKO HG6oJIbIUHG KOJIH“HGCTBa δρκκετοΒ. Πρκ θοηεε' BbicoKoň nqjie, δρηκετω H3 rameHoň h3bgcth, KOKca,'η εγπΒφΗΤΗΟΓΟ oTpaSoTaHHOFo mejiOKa περερ hx npHMeHGHH8M b KapÓHflHbix nenax POJBKHbl nOflBepFHyTbCH OČOCOĎJieHHOMy nOBTOpHOMy KOKCOBaHHK). nOBbttDGHHB o6ora-mGHHH CbipbH ΠρΗ 3TOfl flOnOJIHHTejIBHOH CTynCHH HHpOJIH3a HG3HaHHTGJIbHO, T3KK3K CĎpHKeTHpOBaHHblň KOKC 6bUI y®8 OÓOranjeH nyreM KOKCOBaHHK. 249768 -3- B Du-PS 139948 npennaraeTCH npoH3BoflCTBo CBHsaHHoro KOKca κοκοοββηηκμ .cneKawmHxcH KaMenHbix yrnefí c CaO hjih npeHMymecTBemto c rameHoň H3BecTbio.
Rona H3BecTH npn btom cnocoóe, HecMOTpn Ha πρκΜβΗβΗΗβ cneKaromnxcH yrneři,
He flOJtKHa npeBbnuaTb 15%, Tax khk HHane nponHQCTb KaMeHHOyroJibHoro KOKcaρβ3κο yxyflmaeTca. ΚροΜβ τογο h πρκ stom cnocoSe τακτκε npHMeHaeTcn yace Tep-MHaecKH o6pa6oTaHHbiíi CaO hjih npeHMymecTBeHHo Ca/OH/Ž . Ecjih ace npHMeHaeTCHΜΗΓΚΗΪί Bypblň yroJlb C BJiaatHOCTbH) W=1 1% H 3epHHCT0CTb» okojio 1/0 MM, TOAonycTHMaH flojia Ca/OH/2 b κοκοοβηηηομ δρΗΚβτβ nonacHa coCTaBJíHTb tojihko45%. 3to 6bino orracaHo ΚΡΥΓΟΜ η ΗΑΥΗβΟΡΦΟΜ b pa6oTe "CBHaaHHbiň kokc H3 aercrteKaromHXCH hjih cJiaóocneKaromHXCH κβΜβΗΗΕϊχ hjih óypbtx ýrneft", <í>peň6eprcKHXacypHanaX HccneflOBaHHft A 635-1980. ·
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Pejlbto H3o6peTeHHH ΗΒΠΗβΤΟΪΙ cnoco6 H3 roTOBJleHHH BpHKeTOB IBHXTbl flUH ΠΡΟΗ3-BOflCTBa Kap6npa KanbpHH c TpeÓyeMbiM cTexHOMeTpunecKHM cooTHomeHHeM Ca0/.KOKcno oflHocTyneHnaTOMy cnocoóy nHponH3a, KoTopbie oónap;aioT Βωςοκοή npoqHOCTbion HfleaJibHo BěnyT ceóa πρκ peaKUHH.
HanoacettHe cyn,HocTH Η3θ6ρετεΗΗΗ · B ocHOBy «3θ6ρβτβΗΗΗ nojioaceHa 3ap;aHa, pa3paóOTaTb cnocoó HsroTOBJíeHnaβρΗΚβΤΟΒ IBHXTbl flHH npOHSBOflCTBa Kap6Hfla KajIbpHH c BblCOKOři npOH3BOffHTeJIbHOňcnoco6HocTbio η ΘφφβκτΗΒΗοοτΒίο no oflHocTyneHnaTOMy cnocoSy nnpoJiH3a, ónarú-naps KOTopoMy npenoTBpaTHTbcn HCHepnbiBaraqHe BbraieonHcaHHbie ΗβηοοτβτκΗ,CBH3áHHbie C H3BeCTHbIMH CnOCo6aMH Η ΤΗΚ3ΚΘ C HX nponyKTaMH.
CornacHo Η3οόρετεΗΗΐο, 3agana pemaeTca tbkhm oópa3OM, ητο πρκ peanH3anHHCnoeoSa HCXOflHT H3 nepBHHHoro CbipbH ~ ΠΡΗΡΟ«ΗΟΓΟ H3BeCTHHKa H yrJIH B φορΜβHecneKawqerocH hhh oneHb cnaSocneKaromerocH κημθηηορο hjih 6yporo yrnn, κKoTopbiM HoSaBJíHeTCH He6oJibnioe KoHHnecTBo BcnoMoraTenbHbix MaTepHaJioB.
CooTHomeHHe Mace H3BecTHHKa h yrna, c yneTOM pa3JiHHHoro coflepacaHHH neTynHXΚΟΜΠΟΗΘΗΤΟΒ B COOTBeTCTByTOmHX COpTaX yrJIH, COflepJKaHHH C ΒΟ BCnOMOraTeJlbHblXMaTepHanax h napnuajibHóň ra3i^HKar(HH yrnepófla ycTaHaBUHBaeTCH Tax, HToÓbiTpe6yeMoe CooTHomeHHe CaO/C cocTaBnuno bo BpeMH nHpoJiH3a okojio 60:40. Coot-HomeHHe Mace H3BecTHHKa h yrnn b ochobhom BapbHpyeT Meacny 60:40 h 40:60,IIpHMeHeHHeM npHponHoro H3BecTHHKa flOCTHraeTCH to, hto ero oTHocHTenbHoBbicoKaa ecTecTBeHHaa críocoĎHoCTb κ 6pnKeTnpoBaHHio h KycKOBaTOCTH.cnocoÓcT-ByeT o6pa30BaHHio ycToňHHBoň CBH3H βρΗκετε ιπηχτη. B KanecTBe CbipbH, b stomcjiynae, MoaceT npHMeHHTbcn, oco6eHHo Ha H3BecTHHKOBbix πρέηπρΗΗΤΗπχ, nacToHe flO KOHH,a HCnoJIb3OBaHHbtíí, naCTHBHO CHOBa OTCbinaHHblň TOHKO3epHHCTblň H3- 249768 -h-
BecTHHK. OflHoBpeMeHHo npHMeHenneM yrjiepoflocoflepHcamero cbipbH b φορΜε κβμθη-ηογο hjih 6yporo yrnn flocraraeTCíi το, πτο nacTHHHo oqeHt BbicoKas βρκκετΗ-pyeMOCTB h cnocoČHocTb κ o6pa3OBaHHro KycKOBaTocra KOKca yrJIH TaKsce bhochtcboh BKJiap; npn oBpaaoBaHHH nponHoň CBH3H b cměck ιπηχτβι. B mecTBe βοπομο-raTenbHbix cpeflCTB πρημθηηιοτοη Tane nponyKTbi KaK, HanpHMep, cy.πbφHTHbMOTpaÓOTaHHbiň qejioK hjih rameHan H3BecTb, Koropbie caMH οτ-nnqaioTCH xopouihmhČpHKeTHpylOmHMH H nHpOJIH3HbIMH CBOHCTBaMH H OflHOBpeMGHHO Tax BJIHHIOT Ha H3~BeCTHHK H yronb, HTO OTflejIbHbie BKJiaflbl ΚΟΜΠΟΗΘΗΤΟΒ CblpbH CnOCOĎCTByiOT o6pa-'3OBaHHK> npoHHoro coeflHHeHHH cocTaBa niHXTbi 6onee qeM cyMMapHo. IIocjienHeefíocTHraeTcn tojibko Torna, Korpa Bce τρΗ κομποηθητη: H3BecTHHK, yronb hBCnOMOraTeJlbHbIH MaTepHaJI BMeCTe H3MejIbnaiOTCH B HeoSxOflHMOM COOTHOineHHHMace h npn H3MejibHeHHH 6yp,eT flocTHrHyTa 3epHHCTOCTh dd íO,2/Omm. KpoMe το-γο, peiUaronpiM flJIH o6pa3OBCHHH ΠΡΟΗΗΟΓΟ COeHHH6HHH UlHXTbl HBJIHeTCH TO, HToSblnoCJie H3M6BbHeHHH TOHKOflHCnepCHblX Η ΓΟΜΟΓΘΗΗΟ nepCMeiUaHHblX CbipbeBblX ΚΟΜΠΟ-HeHTOB ohh nepeBOflanHCb b cocTOHHHe arperau;nn TBepfloro BemecTBa c TeM,htoóm nepen h bo BpeMH nnpojiH3a peaKynu npeBpameHHH μογηη ripoTexaTb τρκ,HToSbi o6pa3OBanocb npoHHoe coeflHHeHHe uihxtm.
BbicoKaa arperapnH TBepnoro "BemecTBa nocraraeTCH τθμ, ητο nbineo6pa3Haah TeKynaa H3MejibneHHaH Macca cHanana npeflBapHTejibHo ynjioTHHeTCH non HaBJíe-HHĚM OT 30 HO 60 Míla H OCTOpOJKHblM flpoSneHHeM nepeBOflHTCH BO BTOpHHHyiO 3ep-HHCTOCTb, paBHyiO npH6jIH3HTejlbHO 6/0 MM.
Ilocjie npeflBapHTejibHoro ynnoraeHHH SpHKerapyeMaH Macca npeccyeTcn non Bbico-khm flaBJíeHneM, b 3aBHCHMoera στ BHfla npHMeHHCMoro yrnn npn TeMnepaType ot40 πθ 100°C, npep;noHTHTejibHo npn 80°C h naBJíeHHH npeccoBaHHH p } 100 Míla,npep;noHTHTejibHO p=150 Míla. KpoMe τογο, hjih ycnexa npHMeHeHHH cnocoSa pe-maiomHM HBJIHeTCH to, hto6h H3bccthhk h KaMeHHbiň yronb HMejiH npeHnoHTHTejib-;.Hyio BJiaacHocTb w^2%, a Sypbiň yronb BJiaacHocTb w^12Z, npeflnonTHTejibHo w^9^.flanée npeHMymecTBeHHo, ocočeHiio npn npHMeHeHHH cy.πbφs^τHόFo OTpaSoTaHHoromenoKa, KaK BcnoMoraTentnoro cpéflCTBa, nyTeM noflorpeBa hjih nepeMeinnsaHUH,HJIH we CenapapHH BO BpeMH H3MejIbHeHHH HJIH TpaHcnopTHpoBKH OKOJ1O 1/3 BHeCeH-HOH BCnOMOraTejIbHblM CpeflCTBOM BJiaTH BblIiapHTh, C TGM HTOČbl Ha ΠΟΒβρΧΗΟΟΤΗ3epeH yrjiH η η3βθοτηηκη o6pa3OBaJiacb HecKOJibKo "noflcymeHHaH" ruieHKa Bcno-MoraTejibHoro cpepcTBa, BpHKerapyeMan Macca flOJiJKHa yiuioTHHTbCH b MenKOKycKo-Bbie ópHKeTbf, TaK KaK sto δρκκετΜ, HanpHMep, Ha Φορμοβοηημχ jiotkobmx Banb-qeBbix npeccax, MoryT npeccoBaTBCH TaK, bto TpeSyeMan arperaijHH TBepflbixaacTHii flocraraeTCH Tam h BHyTpH βρΗκετοΒ. OflHOBpeMeHHo MenKOKycKOBbie βρΗ-βρΗκετω MeHbine ocnaSjíínoTCH πηροιιη3Ημμη ra3aMH h napaMH. flanee προηπε 6pn-κετω uiHXTbi nonynaioTCH tojibko Ťorna, Korná βρκκετΜ H3roTOBJieHHbie non bhco-khm praBJíeHHeM, bo BpeMH nHpojiH3a, no cooTBeTCTByioineMy hjih yrnn επεη,ΗφΗηεε-KOMy h ocTopoKHOMy peKHMy pa3orpeBa nonsepraioTCH BbicoKOTeMnepaTypHoň nera-33HHH. CpenHHH CKOpOCTb ρβ30ΓρεΒ3 ΠρΗ npHMeHeHHH KaMeHHorO yrJIH COCTaBJIH-eT npeHMymecTBeHHo ίΊΟ Κ. μηη*.1 . Πρκ npHMeHeHHH 6yporo yrnn βρκκετΜ flera-,3HpyroTCH eme ocToporaee, HanpHMep, no peacHMy pa3orpeBa no 0onHMaHepy, npn 0,83 K.mhh'1 no 320°C h 2,8 K.mhh"1 ho κοηθηηοη TeMnepaTypbi βμοοκοτθμ-nepaTypHoň nera3an,HH.
OxjiaacneHHe SpuKeTa iuhxtm iÍpoh3bohhtch cyxHM cnocoSoM. B ocTaJibHOM, Cornac- ho H3o6peTeHHio, cnocofí μοικθτ ocymecTBJíHTbcn Taoce h c npHMeHeHHeM γηηρο- okhch KaJibHHH Ca/0H/2, KOTOpaH HBJIHeTCH πο6οηηημ nponyKTOM, HanpHMep, b
KapČHHHOH npOMblfflJieHHOCTH HJIH )Ke OKHCH KaJIbHHH CaO. 249768 -5-
TpaHcnopT π cKJiap,npoBaHHe nonyncHHbrx cornacrto Η3θδρετεΗΜο ΟρκκετοΒ πιηχτμflOJTKHbl npOH3BOflHTbCH B 3HKpbITOM ΠΟΜείρΗΗΗΗ, C TOM, HTOĎbl H3 68JKaTb npCBpa-meHHe OKHCH KaJIhUHH B THflpOOKHCb H CBH3aHHoe C 3THM pa3pyniBHHC 6pHK8TOB. B pe3yjibTaTe πρΗΜεκεΗΗΗ BbnneonHcaiiHoro cooTBBTCTByroqero naTeHTy Η3ο6ρετε-hhh BbíHBBHioTCfl 3HaHHTenbHbie ηηρο,ρηο—xo3hííctbchhm8 npeHMymecTBa, κοτορπεoTHocatCH KaK κ pacniHpeHHK) HCTOtiHHKa cwpbH τβκ η κ npoH3BOflCTBy Kap6nfla.BcaeflCTBHe cooTBeTCTByromero Η3θδρετεΗΗκυ cnoco6a npoH3BOflHTCH mHXTa c bmco-Koň npcqHocTbio h bhcokhm 3JieKTpHHecKHM conpoTHBJísHHeM npn BHyTpeHHeM KOH“;TaKTe napTHepoB pcaKipiH, b pe3yjibTaTe íero πρ» npoH3Bo,HCTBC Kap6nfla aocth-raeTCH 3HanHTenbHoe ποΒωπιεΗΗε ckopocth peaxuHH h nponycKHoň ciiocoShocthπεππ πρκ noHHjKeHHoM y^enbHoM pacxofle 3ηεκτρο3ΗερΓΗΗ. ΠοΗΒπεΗΗε HapymeHniiBcneflCTBHe o6pa3OBaHHH ,ηεφεκτΗΜΧ 3epeH HCKJimeHo. 3τη θφφεκτΜ MoryT 6mtb,n;ocTHrHyTbi y ποτρεδκτεπΗ hbcmotph Ha to, hto ajih npoH3BoncTBa npuMéHaioTcaHe BbicoKOKaqecTBeHHDe cbipbe,HJiH οτχορΗ κεκ 6ypbiň yronb, ! HecneKatomuňcH:KaMeHHbiň yronb, MejiKan H3BCCTb h ουπβΦητηηη oTpa6oTaHHaa menonb. Tax κεκΠΗΡΟΠΗ3 yrJIH H H3BeCTHHKa npOHCXOflJHT B ORHOM pa6oH8M npOIJCCCB, TO OflHO“BpeMeHHo mojkho onycTHTb h TpynoeMKyio cTyneHb ποαγοτοβκη cmpbh. C PthmCBB3aHO npOH3BOflCTBO ΗΟΒΟΓΟ ,ηβΙΗεΒΟΓΟ CbipbH C ynynniBHHCM yCJIOBHÉ ΠρΗΜΒΗβΗΗΗΠΟ cpaBHeHHK) C CerOflHHIDHHM ypOBHeM TCXHHKH.
IlpKMep ocymecTBneHHH Η3θδρετεΗΗΗ
Cnoco6, cornacHo Η3όδρετεΗΗκ>, οδΐποΗπετοη hhjkc Ha ηετΜρεχ npHMcpax noptpoó-Ηεε. ΠρΗΜερ 1 ΓΙρΗρΟΑΗΜΗ H3BCCTHHK C BJiaSCHOCTbK) W=1,1% H CJiaÓOCneKaKWliíCH KaMeHHblň yrOJIbraná 33 c w=2,1% nepeMcmHBawTCH b npaccoBOM coothohichhh 60:40 c5% rpcnn-ncnnb (flo nopomxa BbicymaHHaH oTpaOoTaHHan ουπβΦητηηη menonb) η 3βτεΜ bniapOBOH M8JIbHHU8 pa3MajIbIBaiOTCH flO 30pHHCTOCTH 4d=0,18/0 MM. H3M8JlbH0HHblňnpoflyKT nofl naBJíeHHeM p=40 Míla, HanpHMCp, Ha BanbpaBoM npecce, γπηοτΗΗετερb JiaHTbi TonmHHoň οκοπο 10 mm, κοτορωε cpa3y H3M8JibqaK>TCH ρ,ο sepHHCTocradds!8/0 mm. IIp8flBapHT8JibHo ynjioTHBHHaH 6pnK8TnpyeMaH Macca πρεεεγετεΗ noflbhcokhm flaBJíaHHčM πρκ τεΜπερετγρε πρεεεοΒβΗΗΗ vp=70eC η ββΒπεΗΗεΜ npecco-BaHHH ρ = 150 Míla b ΜεπκοκγεκοΒωε h xopomo nponpcccoBanHbie δρκκετΗ. HaβρκκετοΒ BbicoKoro ,n;aBJi8HHH npn ποΜοπρί ocTopoKHoft flera3annH npH TeMnepaTy-ρε O^er =1θθθ°^ co cpcflHOH CKopocTbio paporpoBa 2.K.MHH*1 η ποοπε nocnéfly-’ δρηκετΗ πιηχτμ co οπεβγιοπρίΜΗ napaMBTpa- 61/39 ÍPK =20,7 Mna P 30/300/=86,1% h cnaĎocneKaioinHHca KaMCHHbiň yronb 6ε3 flo6aBnBHHH BcnoMoraTenbHbtx romero cyxoro oxnascfleHHH nonynaioTCHmh:
CooTHoraeHHB CaO/C IIpoHHocTb Ha ωκετΗε δρκκετοΒΠΗΧΤΗ
IlpoBHocTb Ha HCTHpaHHB nocnc300 οβοροΤΟΒ nOCTOHHHOrO 6a-pa6aHa ΠρΗΜερ 2
ΠρΗρΟβΗΜΗ H3BCCTHHK C BHaJKHOCTbK) 1 , 1 %raná 33 c BnaacHocTbio 2,1% CMemnBaroTCH 249768 -6- cpeflCTB B MaccoBOM cooTHomeHHH 57:43 h Ha BHĎpaflHOHHOH MenbHHfle Η3μθπβ-HáioTCH flo aepHHCTocTH jd=0,12/0 mm. 3ts H3MenbneHHan Maeca nofl flaBneHHeMb 40 Míla yruioTHHeTCH Ha BanbfleBOM npecce b neHTbi TomuHHoň b 10 mm, koto-pbie cpa3y ste· H3MenbHaraTCH flo btophhhoh 3epHHCTocTH 2)0^5/0μμ. npeflBapH-TenbHo ynjioTHeHHaH SpHKeTHpyeMan Macca npeccyeTca πρκ TeMnepaType npec-coBaHHH i 80cC h flaBneHHH p = 200 Míla b MejiKOKycKOBofí βρκκθτ, H3 δρΗκε-1,tob BbicoKoro flaBJíeHHH flera3aflHeň flo TeMnepaTypbi -1000°C h cpeflHeft CKopocTbio pa3orpeBa 1,6 K μπη*1 h nocne cyxoro oxnaxcfleHHH nonynaiOTCH 6pH-κβτΜ uiHXTbi co cjieflyroniHMH napaMeTpaMH:
CooTHomeHHe CaO/C IIpoHHocTb Ha cacaTHe δρπκβτοΒΠΙΗΧΤΜ IIpOHHOCTb Ha HCTHpaHHe nocne300 οόοροτοΒ nacTOTHoro 6apa6aHa IIpHMep 3 59/41 £pi<=20,5 Mna P 30/300/=84,0% npHpOflHblň H3BeCTHHK C BJIHMHOCTblO W=1,1% H cyxoň Bypbtíí yrOJIb C W=9,1% CMennl·--BaioTCH b MaccoBOM cooTHomeHHH 50:50 c 20% cyjibt|>HTHoft oTpaSoTaHHoft menonbioπρκ TeMnepaType CMeniHBaHHH οκοπο 70°C h 3aTeM HSMenbnaioTCH Ha BHfípaflHOHHoňMenbHHfle fló 3epHHCTocTH jd=0,12/0 mm. H3MenbHeHHbM npoflyKT nofl flaBneHHeMb p=50 Míla npeccyeTca Ha BanbfleBOM npecce b neHTbi tojhuhhoh οκοπο 10 mm,KOTopwe cpa3y H3MenbnaiOTCH flo 3epHHCTocTH zJ d=5/0 mm. 3Ta, npeflBapHTenbHoynnoTHeHHan ópHKeTHpyeMan Macca npn TeMnepaType t?p=80°Cn flaBneHHH p = =150 Mna npeccyeTca b MenKOKycKOBbie βρκκετΜ BbicoKoro flaBneHHH. Ha βρΗκετοΒBbicoKoro flaBneHHH b pe3ynbTaTe octopojkhoh flera3aflHH no peatHMy pa3orpeBaΦΟΙΜΜΑίίΕΡΑ flo TeMnepaTypbi fleraaaflHH· Ο^Γ= 1000% h nocne cyxoro oxnajKfleHHHnonýnaioTCH ΟρκκετΜ πιηχτβι co cneflyromHMH napaMeTpaMH:
CooTHomeHHe CaO/C 62/38 nponHocTb 6pHKeTa Ha cacaTHe ípg =12,2 MHaΠροΗΗοοτΒ Ha HCTHpaHHe nocne 300 οδοροτοΒ nacTOTHoró 6apa6a- na P 30/300/=65,2 ΠρΗΜβρ 4 npHpoflHbiň H3BecTHHK c' BnancHocTbio w=1,1% h cyxoň Sypbiň yronb c (BnaraocTbiow=9,1 %CMemHB3K)TCH b MaccoBOM cooTHomeHHH 45:55 c 10% rameHofí H3BecTH h10% rpennnennb (flo noponnca BbicymeHHaH oTpaSoTaHHan menonb cynbtJiHTa), khkBcnoMoraTenbHbíMH MaTepnanaMH h 3aTeM H3MenbnaioTCH Ha BHčpaflHoHHoň MenbHHfle -flo 3epHHCTocTH z!d=0,12/0 mm. HsMenbfleHHbiň npoflyKT nofl flaBneHHeM b p=40 MílanpeccyeTca Ha BanbyeBOM npecce b neHTbi TonqHHoň οκοπο 10 mm, κοτορμθ cpa3yH3Menbnai0TCH flo 3epHHCTocTH ád=5/0 mm. npeflBapHTenbHo ynnoTHeHHbiň δρκκετΗ-pyeMbiň npoflyKT πρκ TeMnepaType npeccoBaHHH Op=80°C h flaBneHHH p =180 MHanpeccyeTca b MenKOKycKOBbie δρηκετΜ bmcokoto flaBneHHH. H3 βρκκετοΒ BbicoKoroflaBneHHH b pe3ynbTaTe ocTopomoň flera3aflHH no pe®HMy pa3orpeBa ΦΟϋΗΜΑίΪΕΡΑ ’i flo TeMnepaTypbi flera3au,HH t>Aer=1000°C h nocne cyxoro oxnascfleHHH nonynaiOTCHβρκκβΤΗ fflHXTbi co cneflyioinHMH napaMeTpaMH: 249768 7
CooTHoiueHHe CaO/C IIpotiHocTh SpHkeTa Ha cxaTHe npOHHOCTb SpHKeTa Ha HCTHpaHHenocJie 300 οόοροτοΒ nacTOTHoro 6a-pačaHa 61/39 ΐρκ =17,2 Mna P 30/300/=81,2%
<I>opMy.na H3o6peTeHHH 1. Cnoco6 n3roTOBJieHH« ĎpHKeTa mnxTbi ajih npoH3BOflCTBa KapóHfla xajibflHH, ot-JiHqawmHííCH τβΜ, hto rHflpooKHCb KaJibflHH rCa(0H)2J hjih orkcb KaJihflHH(CaO), . npennoHTHTeHbHo h3B6cthhk c coflepacaHHeM BJiarH w<d0% h KaMeHHbiňHJIH Čypbtíí yrOJIb C BJia»HOCTbIO, 3aBHCHmeň OT BHfla CbipbH, B OflHOM, OT BH-flOB ITpHMGHHGMblX ΚΟΜΠΟΗβΗΤΟΒ CblpbH , 3aBHCHmeM CTeXHOMGTpHHGCKOM COOTHO“ meHHH, K3K C ΠΡΗΜβΗβΗΗβΜ T3K Η 6β3 ΠρΗΜβΗβΗΗΗ BCnOMOTaTeJIbHblX MaTepHajlOB,H3MenbHaiOTCH flO BblCOKOH TOHKOCTH paBHOň 0,5/0 MM, npeflnOHTHTejJbHO flO ,0,15/0 mm η H3 nopomkoo6pa3Horo nponyKTa c nOMombio npeflBapHTejibnoro yruioT-HeHHH nop; flaBJíeHHeM ot 30 no 60 Mna h nocneflyrainHM ocTopoxHbíM H3MejibneHH-eM flÓCTHraeTCH BTOpHHHaH 3epHHCTOCTb A- 8/0 MM, KOTOpaH OnHTb we θρΗΚΘΤΗρο-BaHHeM nofl BbicoKHM flaBJíeHHeM npn TeMnepaType ot 40 flo 100°C, npeflnoHTH-TejibHo 80°C h flaBJíeHHeM npeccoBaHHH p=100 Mna, npeflnoHTHTejibHo 150 Mna yn-JioTHHeTCflt flo βρκκβΤοΒ c oneHb Bbicoxoň arperaflHeň TBepfloro BemecTBa h cne-flHaJIbHbie 6ρΗΚβΤω B 3aBHCHMOCTH OT ΠρΗΜβΗΗβΜΟΓΟ CblpbH, noflBepraioTCH flera3a-flHH ΠρΗ OCTOpOJKHOM BblCOKOTeMIiepaTypHOM HHpOJlH3e H 3aTeM OXJláatflaiOTCH CyXHMCnOCOĎOM. . 2. Cnoco6 no nyHKTy 1, oTJiHHatoruHňca τβΜ, ητο πρΗ πρημθηθηηη κημθηηογο yrnn.BJiaMHocTb κοτοροΓο cocTaBJíaeT npeflnoHTHTejibHo 2% h cpeflHHH CKopocTb pa3o-rpeBa flo TeMnepaTypw flera3aflHH cocTaBjnťeT <10 K.mhh, npeflnoHTHTejibHo OT 1 flO 2 K.MHH'1 . 3. Cnoco6 no nyHKTy 1, oTJiHnaiomHňCH τθμ, ητο npH npHMeHeHHH 6yporo yrjiaero BJiajKHocTb npeflnonTHTejibHO cocTasJíneT w=8 flo 10% h cpeflHHH CKopocTbpaaorpeBa flo TeMnepaTypbi flera3aflHH flo npHMepHo 32Ó°C npeflnowTHTejibHo paBHa0,83 K.mhh'1 h KOHenHan TeMnepaTypa flera3aflHH npennoHTHTejibHo cocTaBJíneT2,8 K.mhh'1 . 4. Cnoco6 no nyHKTaM ot 1 flo 3, oTJiHnaioiuHňcH τβΜ, hto ajih očecneneHHHBbicoKoro xanecTBa ηίΗχτω, b KanecTBe BcnoMoraTenbHbix MaTepnajioB npeflnonTH-TejibHo Hcnojib3yioTCH cyjibc[)HTHhie oTpa6oTaHHbie menoHH c coflepacaHHeM TBepfloroBemecTBa/v 55% hjih BbicyraeHHbie flo noponnca cyjib<i>HTHbie oTpa6oTaHHbie tnejionn.
AHHOTaflHH
Cnoco6 H3roTOBjíeHHH 6pHKeTa mHXTbi fljiH npoH3BOflCTBa Kap6nfla xaJibflHH
HaoČpeTeHHe xacaeTcn críoco6a Η3ΓοτοΒπεΗΗΗ όρκκετβ πιηχτμ ajih npoH3BOflCTBa
CaC2 c TpeóyeMbiM CTexHOMeTpHnecKHM cooTHouieHHeM CaO/O no oflHocTynenwaTOMy cnocoóy raipoJiH3a. ComacHo H3o6peTeHHio bto flocTHraeTCH τβΜ, hto hcxoaht H3 npHpoflHoro H3BeČTHHKa h yrnn H sto nepBHHHoe cwpbe nepeMemHBaeTCH npeflnoq- 249768 8 THTeJIbHO C ΗβδοΠΒΙΠΗΜΗ KOJIHneCTBaMH BCnOMOraTejlbHbrX CpeflCTB. flocjie eoBMecTHoro H3MenbneHnn ro BbicóKóň tohkocth, nocne npeRBapnTenbHoroyraioTHeHHH η3μθ.πβιθηηογο npoflyKTa η βρΗκετΗροΒθΗΗΗ hor bhcokhm RasneHKeM,MejiKOKycKOBbie βρΗκετω noRBepraioTCH ocTopoxcHoň ReraaáRHH ro 1OOO°C h ox-JiaatRaioTCH cyxHM cnocoSoM. IIpH3HaHo H3o6peTeHneM no pe3ynbTaTaM SKcneprasbi, ocymecTBJíeHHoň BeROMČT^·bom no RenaM Η3ο6ρθτεΗΗΗ h nareHTOB Γ£[Ρ. 249768
Claims (2)
- 249 768 P fiB D M fi T V Y K A I> E Z U1. Způsob úpravy vsázky pro výrobu karbidu vápníku,vyznačený tím, že hydroxid vápenatý nebo oxid vápenatý·nebo výhodně vápenec s obsahem vlhkosti nižším než 10 %a kamenné nebo hnědé uhlí s vlhkostí závisející na druhupoužitého uhlí se v požadovaném stechiometrickém poměru, ,závislém na použité vápenaté a uhelné složce a za případ-ného použiti pomocných látek důkladně rozmělňuje na jemnostnejvýše Oj$ mm, výhodně na jemnost nejvýše 0,1$ mm a z tak-te získaného práškovitóho produktu se stlačením při tlaku$0 až 60 MPa a následným opatrným rozmělněním dosáhne zrni-tost nejvýše 8 mm, potom se takto získané hrudky’ lisují při ·teplotě 40 až 100 °C, výhodně při teplotě 80 °C, a tlakuÝyšŠím nebo rovným 100 MPa, výhodně l$0 MPa, na briketys vysokým stupněm agregace a tyto brikety se v závislostina použitých surovinách odplyní opatrnou vysokoteplotní .. .pyrolýzou a ochladí suchým způsobem. 2* Způsob podle bodu 1, vyznačený tím, že při použití ka-menného uhlí, jehož vlhkost je výhodně okolo 2 %, je střed-ní rychlost ohřevu na odplyňovací teplotu menši než 10 K.min”1a výhodně je rovná 1 až 2 K.min"^.
- 5. Způsob podle bodu 1, vyznačený tím, že při použiti hnědéhoUhlí, jehož vlhkost je výhodně rovna 8 až 10 %, je střednírychlost ohřevu na odplyňovaoi;teplotu 320 °C výhodně rovná0,83 K.min"1 a na konečnou teplotu odplynění je tato rych-lost výhodně rovna 2,8 K.min"1.
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DD81234760A DD210167A3 (de) | 1981-11-11 | 1981-11-11 | Verfahren zur herstellung von vollmoellerformlingen fuer die calziumcarbiderzeugung |
Publications (2)
Publication Number | Publication Date |
---|---|
CS713282A1 CS713282A1 (en) | 1985-06-13 |
CS249768B1 true CS249768B1 (en) | 1987-04-16 |
Family
ID=5534629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS827132A CS249768B1 (en) | 1981-11-11 | 1982-10-06 | Method of charge treatment for calcium carbide production |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5891024A (cs) |
CS (1) | CS249768B1 (cs) |
DD (1) | DD210167A3 (cs) |
DE (1) | DE3232644A1 (cs) |
ES (1) | ES8400046A1 (cs) |
FR (1) | FR2516066A1 (cs) |
PL (1) | PL238963A1 (cs) |
RO (1) | RO89766A (cs) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5002733A (en) * | 1989-07-26 | 1991-03-26 | American Alloys, Inc. | Silicon alloys containing calcium and method of making same |
RU2057406C1 (ru) * | 1995-10-13 | 1996-03-27 | Закрытое акционерное общество "Тройлер-корпорация" | Способ получения карбида кальция |
CN104692385A (zh) * | 2015-02-13 | 2015-06-10 | 北京神雾环境能源科技集团股份有限公司 | 一种用于生产电石的混合料及其制备方法与应用 |
DE102017101890A1 (de) | 2017-01-31 | 2018-08-02 | Fels-Werke Gmbh | Verfahren zur Herstellung eines Formlings und danach hergestellter Formling |
CN107572527A (zh) * | 2017-08-10 | 2018-01-12 | 神雾环保技术股份有限公司 | 制备生产电石用球团的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2674581A (en) * | 1951-07-30 | 1954-04-06 | Air Reduction | Preparation of a charge for a calcium carbide furnace |
DD123185A1 (cs) | 1975-12-12 | 1976-12-05 | ||
DD139948A3 (de) | 1976-02-20 | 1980-01-30 | Walter Singer | Verfahren zur herstellung von steinkohlenkoks mit verminderter elektrischer leitfaehigkeit der kokssubstanz |
-
1981
- 1981-11-11 DD DD81234760A patent/DD210167A3/de not_active IP Right Cessation
-
1982
- 1982-09-02 DE DE19823232644 patent/DE3232644A1/de not_active Withdrawn
- 1982-09-27 FR FR8216223A patent/FR2516066A1/fr not_active Withdrawn
- 1982-10-06 CS CS827132A patent/CS249768B1/cs unknown
- 1982-11-10 PL PL23896382A patent/PL238963A1/xx unknown
- 1982-11-10 RO RO82109012A patent/RO89766A/ro unknown
- 1982-11-11 ES ES517280A patent/ES8400046A1/es not_active Expired
- 1982-11-11 JP JP57196864A patent/JPS5891024A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5891024A (ja) | 1983-05-30 |
DD210167A3 (de) | 1984-05-30 |
DE3232644A1 (de) | 1983-05-19 |
FR2516066A1 (fr) | 1983-05-13 |
PL238963A1 (en) | 1983-07-04 |
RO89766A (ro) | 1986-07-30 |
ES517280A0 (es) | 1983-10-16 |
CS713282A1 (en) | 1985-06-13 |
ES8400046A1 (es) | 1983-10-16 |
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