Rov ua dua cov txheej txheem tooj liab tau nce nyob ntawm cov khoom siv ceev, kwv yees li ntawm 2/3 ntawm cov khoom lag luam tooj liab, 1/3 ntawm cov ntawv tooj liab xav tau kev kho mob smelting. Tam sim no, muaj ntau txoj hauv kev rau kev rov ua dua tooj liab scrap hauv tsev thiab txawv teb chaws zoo nkauj tooj liab lossis tooj liab, uas yog hu ua kev siv ncaj qha; Qhov thib ob yog rau smelt tooj liab scrap rau hauv anode phaj thiab tom qab ntawd electrolytic tooj liab rau siv, uas yog hu ua indirect siv. Ntawm lawv, hom thib ob ntawm txoj kev tau muab faib ua qib siab thiab qib qis raws li cov txheej txheem raw, thiab cov txheej txheem smelting tau muab faib ua ib theem, ob-theem thiab peb-theem smelting.
Ib txoj kev ib theem: Copper Qib> 98% ntawm cov liab tooj liab, thiab lwm yam, tooj liab, thiab tom qab ntawd electrolysis tsis muaj ntau lawm ntawm tooj liab cawb.
Ob-theem qauv: khib nyiab tooj liab tau melted nyob rau hauv smelting rauv, thiab tom qab ntawd ua kom zoo nkauj - electrolytic refining kom ua tooj liab cawb.
Peb-theem qauv: Lwm cov neeg tooj liab liab scrap thiab tooj liab muaj cov khib nyiab, thiab hluav taws xob ua kom huv si Tus raw cov khoom siv tau yuav tsawg li 1% tooj liab.
Peb-theem qauv ntawm kev siv cov ntaub ntawv raw, cov khoom siv tau yooj yim, tab sis muaj cov khoom siv sib xyaw, tab sis muaj cov khoom siv roj av yooj yim, tab sis muaj cov peev txheej, kev lag luam thiab lwm yam shortcomings. Yog li ntawd, smelting ntawm regenerated tooj liab feem ntau siv ob-hom kev sib tw ua ke nrog cov txheej txheem kev siv hluav taws xob thiab txhim kho cov khoom siv hluav taws xob kom muaj txiaj ntsig.
Taw qhia ntawm lub ntsiab smelting txheej txheem
1, Tebchaws Askiv German Reining Kaiser Smelter Kaiser Recycling System (KRS)
North Teb chaws German Refining Kaiser Smelter tam sim no yog tam sim no lub ntiaj teb loj tshaj plaws thiab feem ntau rov ua dua tshiab tooj liab catchyriner. Kaiser Smelter nrog 1 ISA rauv tsis txhob siv 3 pawg ntawm lub zog rauv thiab 1 teev nrog tooj liab 1% ~ 80% ntawm cov chaw nyob thiab lwm yam tooj liab; Isa rauv taws thiab tshuab tooj liab, tus tooj liab los txuas ntxiv, cov zis ntawm cov zis ntawm lub tooj liab, ntawm cov zis ntawm lub tooj liab, cov zis ntawm cov zis tawm, cov zis ntawm cov zis ntawm ITA
2, Austria MontanwerokrixleGrixleGrixleGrixleGM Smelter tawg tshav puam tshuab converter-farsha rauv txheej txheem
Montanwerke brixleGM smelter yog tib lub tooj liab smelter hauv Austria, cov khoom siv raw yog tooj liab ntawm 15% rau 99%. Cov txheej txheem ntau lawm muaj cov tawg ua kom tawg, cov converter ua kom sov, tsau anode rauv thiab electrolysis, uas yog ib txoj kev peb-theem.
Cov txheej txheem yog tus cwj pwm los ntawm: Cov qhab nia sib txawv ntawm cov seem ntawm cov chaw nyob thiab tawv liab liab nrog cov txheej txheem sib txawv los tsim cov khoom sib txawv. Residue raw cov ntaub ntawv muaj 15% mus rau 70% ntawm tooj adject haib heev los tsim tooj liab, thiab tom qab ntawd nkag mus rau lub tshuab hloov pauv cov tooj liab; muaj ntau dua 75% ntawm tooj liab dub tooj liab thiab tooj liab tau ncaj qha rau hauv lub tooj liab loj dua li 96% ntawm tooj liab tooj liab tooj rau hauv anode rauv ceev; Muaj cov qauv tooj liab tau ntau dua lwm yam tooj liab, tus tooj liab tau ncaj qha rau hauv anode rauv rov qab kho kom zoo; Thiab tooj liab qib siab dua qov tooj tsis muaj smelting kev kho, ncaj qha rau hauv indig khoom yog heev hloov kho tau cov khoom siv raw.
Oxygen Sab saum toj Rotary Rotary Converter (Tbrc) Smelting txheej txheem hauv Metallo-Chimique Smelter, Belgium
Lub TBRC Rauv ntawm Metallo-Chimique Smelter yog qhov yoog tau yooj yim rau cov khoom siv raw, thiab cov leeg ua ntau yam khoom siv raw. Cov ntaub ntawv raw tseem muaj 25% ~ 30% tooj liab, nws yog cov khoom siv tooj liab, nws tsuas yog siv los ua tus tooj liab, thiab lwm yam)
4, Kaldor ua kom haum nrog tooj liab khib tooj liab
Kaldor rauv kev kho mob qis-qib tooj liab scrap yog ib qho txiaj ntsig smerver, koj tuaj yeem tswj hwm tus oxidation thiab txo cov cua. Kev kho mob ntawm low-qib tooj liab scrap tau muab faib ua tsib kauj ruam: kev tawm tsam, thiab cov tawv nqaij, thiab cov tawv nqaij tawv, thiab cov xim liab, thiab qib siab tawv nqaij tuaj yeem ncav cuag 96%. Cov txheej txheem tiv thaiv feem ntau siv cov hlau hauv cov tooj liab scrap cov khoom siv raws li tus neeg sawv cev txo tus neeg sawv cev thiab ntxiv quartzite flux. Kaldor Furvace kev kho kom zoo ntawm tooj liab cov txheej txheem yog cov qauv tooj txawv teb chaws, xws li tus qauv tooj liab tseem ceeb tshaj plaws ntawm txoj kev ntawm kev kho tooj liab ntawm kev kho mob.
