生产工艺英文版.docx
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生产工艺英文版.docx
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生产工艺英文版
生产工艺英文版.
Pyrometallurgical:
Alsoknownasdrysmelting,theoreandthenecessary
additivestogetherinafurnaceheatedtohigh
temperatures,meltingintoaliquidtoproducetherequired
chemicalreactions,therebyseparatingthecrudemetal,
andthenroughmetalrefining.
Hydrometallurgy):
Isacid.Base.Saltwatersolution,usingchemical
methodstoextracttherequiredmetalfromore
components,andthenusevariousmethodsofelectrolytic
solutionPreparationofmetal,themainapplicationofthis
methodisdifficultinlowcapacityoftasteorslightly
powderedore.
ChapterI:
CopperProductionTechnology
copper
99%Copper:
Natural1>material:
rawCopper
content,butveryfewreserves.
2copperoxide:
numbernotmore.
3coppersulfide:
themostwidelydistributed,
isthemainrawmaterialforcopper.
Pyrometallurgical:
calcination(roasting)-----melting
(smelting)---blowing(blowing)---refining(refining)
Roasting:
Removesomeofconcentratesulfur,arsenic
andothervolatilepartsoftheimpurities------.>___sulfur
concentratesmelting----.>1.Sulfurcontentislow,get
blistercopper,sulfurforalongtime,thegeneratedmatte,
copper(40%-55%),2.slagmaterial:
coppergenerally
0.4%-0.5%.
Matte-------àblowingbyblister,copper95%-98%,residue
materials:
containinglead,zinc,leadfluegas.Sulfur.Zn.
Blister-àrefinedbycopperconcentrate(99%-99.9%),slag:
copperhigher.
WetCopper:
roasting(roasting)---leachingpurification
(leaching)---Electrolyzation(electrowinning)
Sulfidecopperconcentrate(20%-30%)---roasting->be
solubleindilutesulfuricacid,coppersulfate,sulfurfrom
fluegasoflead,copperslagcontainingleadandzinc.
Coppersulfateleachpurification------purposetoremove
iron,thenpowerintegralmethod,byIngredients:
electric
copper:
99.5%-99.95%,slagmaterial:
platinummetalwith
goldandsilver,lead
ChapterII:
leadsmeltingproduction
process
Firerefiningoflead:
leadsulfideconcentrateroasting----
sintering-àbeagglomerationoflead,lead40%-50%,slag
material:
lead.Copper.,Smokecontainingleadandzinc.
---LeadSinterchangesintoCrudeleadthroughsmelting
reduction.leadabout98%.slag(slag):
SomeGoldand
othermetalsofleadzinc,leadfluegas.---Firerefiningof
crudeleadàberefinedlead(99.9%),slagmaterial:
Copper:
0.001%-0.002%,Zn:
0.6%-0.7%.
Wetsmeltingoflead:
leadsulfideconcentrateroastingà
crude
byfurnace)(blastFurnaceBlast------sulfatelead
lead(98%),slag:
copper(intheformoficerecoveryof
copper),zinc(smokemethodrecovery),blister-
electrowinningrefinery->get99.9%ofleadconcentrates,
slag:
platinumgroupmetalsincludinggold,silver,copper
andzinc.
ChapterIII:
zincproduction
process
FireZinc:
---
Flash
flotation
concentrate.
Calcination
(flotation.roasting)bymainingredient,zincoxide,fluegas
sulfur,lead.Slag:
copperwithzinc.Zincoxide-blast
furnace(blastfurnace)byIngredients:
Crudezinc,lead
fluegas,copperslagcompound.Zn,
CrudeZinc-ZincElectrowinningberefinedàconcentrate,
slag:
coppernotmorethan2%,leadisnotmorethan3%.
Hydrometallurgy;
Zincsulfideconcentrates-areroastingàIngredients:
Zinc
agglomeration,slagmaterial:
containinglead,zinc,lead
andzincsulfurfromfluegas.---Agglomerationofzinc
leaching(leaching)ofzincsulfatesolutionbytheslag
material:
zinc,lead.---Ispurifiedzincsulfatesolution
(refining)emulsionintheleadofcopper,zincsulfate
solution---clean-àelectrowinningofzincconcentrate
(zincconcentrate)
Chapternickel
refined
IV:
productiontechnology
Firerefiningnickel;
Ni------BlastFurnaceSinterNickelsulfideroastingà
getlowicenickel,thetotalcontentofnickelandcopperàiceoxide.Lowoxide,8%-25%slag:
Nickel.Zinclead
Nickel-blowing->Ingredients:
highicenickel,copperand
nickel70%-75%,slagmaterial:
nickel.Copperandnickel
electrolytic-68%)nickelRun-matteMillàcrude(67%-
Nickelconcentrate(99.85%-99.99%)refiningà.
WetLianNi:
Nickelsulfide-pressureacidleachingofnickel
sulfate-àà-àcrudereductionsmeltingofnickel-.>
electrolyticrefining->ElectricNickel.
ChapterV:
lead-zincproduction
process
Zincoxideisthemainstoneextractionoflead.Zincmetal,
oneoftheimportantbasicrawmaterial
---BlastFurnaceàorewasenrichedore,slagcompound
zinc(4.3%-4.5%),lead(0.82%-0.84%),
Richore-furnaceblowingsmoke-.>Javacompoundzinc
(1.0%-1.5%),lead(0.1%-0.15%).Ingredients:
zincoxide
dustleadconcentrate-àgermanium
ChapterVI:
brassfactoryproductionprocess
Brassiscomposedofcopperandzincalloy.Ifitisonly
copperandzinconthecompositionofthebrasscalled
ordinarybrass.Iftwoormorefromavarietyofelements
calledspecialbrassalloy.Asthelead,tin,manganese,
nickel,lead,iron,siliconcopperalloycomposedof
Pyrometallurgicalcopperisusuallyafewpercentorthe
firstfewthousandthsoftheoriginalore,bydressingupto
20-30%,ascopperconcentrate,inthesmeltingfurnace,
reverberatoryfurnace,stoveorfurnacetocreateFlash
mattesmelting,meltingoutputmatte(matte)andthen
wereblownintotheconvertertoMakeblister,andthenin
anotherreflectionoffthefurnaceafteroxidationrefining
complex,orthecastanodeplateelectrolytic,99.9%were
gradeofelectrolyticcopper.
归纳:
Jeffery
2010-7-9
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