Lead-zinc mine, yuav xaiv li cas?

Lead-zinc mine, yuav xaiv li cas?

Ntawm ntau hom ntxhia, lead-zinc ore yog ib qho nyuaj rau xaiv.Feem ntau hais lus, cov hlau lead-zinc ore muaj cov nplua nuj tsis zoo dua li cov nplua nuj ores thiab cov khoom sib txuas yog qhov nyuaj dua.Yog li ntawd, yuav ua li cas cais cov hlau lead thiab zinc ores yog qhov tseem ceeb hauv kev lag luam ntxhia.Tam sim no, cov hlau lead thiab zinc cov zaub mov muaj rau kev lag luam siv feem ntau yog galena thiab sphalerite, thiab tseem muaj xws li smithsonite, cerussite, thiab lwm yam. zinc oxide ore, thiab sib xyaw cov hlau lead-zinc ore.Hauv qab no peb yuav tshwj xeeb tshuaj xyuas cov txheej txheem sib cais ntawm cov hlau lead-zinc ore raws li oxidation degree ntawm txhuas-zinc ore.

Lead-zinc sulfide ore sib cais txheej txheem
Ntawm cov hlau lead-zinc sulfide ore thiab lead-zinc oxide ore, lead-zinc sulfide ore yog yooj yim dua rau txheeb.Lead-zinc sulfide ore feem ntau muaj galena, sphalerite, pyrite, thiab chalcopyrite.Lub ntsiab gangue minerals muaj xws li calcite, quartz, dolomite, mica, chlorite, thiab lwm yam. Yog li ntawd, raws li kev sib raug zoo ntawm cov zaub mov muaj txiaj ntsig xws li txhuas thiab zinc, cov txheej txheem sib tsoo tuaj yeem xaiv ib-theem sib tsoo txheej txheem lossis ntau theem sib tsoo txheej txheem. .

Txoj kev sib tsoo ib-theem feem ntau yog siv los ua cov hlau lead-zinc sulfide ores nrog coarser grain loj los yog yooj yim symbiotic kev sib raug zoo;

Cov txheej txheem sib tsoo ntau theem ua cov hlau lead-zinc sulfide ores nrog txoj kev sib raug zoo ntawm kev sib raug zoo lossis qhov loj me me.

Rau cov hlau lead-zinc sulfide ores, tailings regrinding lossis coarse concentrate regrinding feem ntau yog siv, thiab cov txheej txheem nruab nrab ore regrinding tsis tshua siv.Nyob rau theem sib cais, txhuas-zinc sulfide ore feem ntau siv cov txheej txheem flotation.Cov txheej txheem flotation tam sim no muaj xws li: txheej txheem flotation tseem ceeb, txheej txheem flotation sib xyaw, thiab lwm yam. Tsis tas li ntawd, raws li cov txheej txheem ncaj qha flotation, cov txheej txheem flotation sib npaug, cov txheej txheem ntxhib thiab zoo sib cais, cov txheej txheem ntws tawm, thiab lwm yam kuj tau tsim, uas feem ntau yog xaiv raws li lawv qhov sib txawv particle loj thiab embedded kev sib raug zoo.

Ntawm lawv, cov txheej txheem flotation sib npaug muaj qee qhov zoo hauv cov txheej txheem flotation ntawm cov hlau lead-zinc ore vim nws ua ke cov txheej txheem ntawm flotation ntawm cov ore nyuaj-rau-sib cais thiab yooj yim-rau-sib cais ores thiab noj cov tshuaj tsawg, tshwj xeeb tshaj yog thaum muaj kev yooj yim. - sib cais ore nyob rau hauv lub ore.Thaum muaj ob hom hlau lead thiab zinc minerals uas ntab thiab nyuaj rau ntab, cov txheej txheem flotation yog ib qho kev xaiv zoo dua.

Cov txheej txheem ntawm zinc oxide ore sib cais
Qhov laj thawj yog vim li cas cov hlau lead-zinc oxide ore yog qhov nyuaj rau xaiv ntau dua li cov hlau lead-zinc sulfide ore yog vim nws cov khoom siv nyuaj, cov khoom siv tsis ruaj khov, cov khoom me me me me, thiab qhov zoo sib xws ntawm cov hlau lead-zinc oxide minerals thiab gangue minerals. thiab mineral slime., tshwm sim los ntawm kev tsis zoo ntawm cov ntsev soluble.

Ntawm cov hlau lead-zinc oxide ores, cov uas muaj nqi muaj xws li cerusite (PbCO3), lead vitriol (PbSO4), smithsonite (ZnCO3), hemimorphite (Zn4 (H2O) [Si2O7] (OH) 2), thiab lwm yam. Ntawm lawv, cerusite , lead vitriol thiab molybdenum lead ore yog qhov yooj yim rau sulfide.Sulfiding agents xws li sodium sulfide, calcium sulfide thiab sodium hydrosulfide tuaj yeem siv rau kev kho sulfurization.Txawm li cas los xij, lead vitriol xav tau lub sijhawm sib cuag ntev heev thaum lub sijhawm vulcanization txheej txheem.Tus neeg sawv cev vulcanizing Qhov ntau npaum li cas kuj tseem loj.Txawm li cas los xij, arsenite, chromite, chromite, thiab lwm yam yog qhov nyuaj rau sulfide thiab muaj cov floatability tsis zoo.Ib tug loj npaum li cas ntawm cov minerals pab tau yuav ploj thaum lub sij hawm sib cais txheej txheem.Rau cov hlau lead-zinc oxide ores, cov txheej txheem flotation tseem ceeb feem ntau yog xaiv raws li cov txheej txheem sib cais tseem ceeb, thiab kev ua haujlwm desliming yog ua ua ntej flotation los txhim kho flotation indicators thiab noj tshuaj.Nyob rau hauv cov nqe lus ntawm kev xaiv tus neeg sawv cev, ntev-chain xanthate yog ib tug ntau thiab zoo collector.Raws li cov txiaj ntsig sib txawv, nws tuaj yeem hloov tau nrog Zhongoctyl xanthate lossis No. 25 cov tshuaj dub.Fatty acid collectors xws li oleic acid thiab oxidized paraffin xab npum muaj kev xaiv tsis zoo thiab tsuas yog tsim nyog rau cov hlau lead hauv qib siab nrog silicates ua cov gangue loj.