Kev txhim kho keeb kwm ntawm magnesium hlau hauv Suav teb
Magnesium hlau yog lub teeb tshiab corrosion resistant hlau cov khoom tsim nyob rau hauv lub xyoo pua nees nkaum, daim ntawv thov ntawm magnesium hlau yog feem ntau yog concentrated nyob rau hauv magnesium alloy ntau lawm, aluminium alloy ntau lawm, steel desulfurization, aviation thiab tub rog plaub teb, lug siv nyob rau hauv tsheb tsim, lub teeb kev lag luam. , metallurgy, tshuaj lom neeg kev lag luam, hluav taws xob kev lag luam thiab cov cuab yeej tsim khoom. Magnesium alloy' kev ua tau zoo heev thiab lub cev zoo nkauj yog nyiam los ntawm lub computer, khoom siv hauv tsev, xov tooj ntawm tes thiab lwm tus neeg tsim khoom. Nws muaj qhov zoo ntawm qhov tsis tshua muaj lub ntiajteb txawj nqus, siab zog rau ib chav tsev qhov hnyav thiab cov tshuaj lom neeg ruaj khov, yog li ntawd aluminium magnesium alloy thiab nws cov magnesium tuag casting yog nrov, thiab kev lag luam magnesium tau tsim sai heev. Magnesium alloy muaj qhov zoo ntawm lub zog siab, kub tsis kam, hnav tsis kam thiab lub teeb yuag, ua rau nws maj mam hloov cov khoom yas thiab cov hlau hnyav hauv kev lag luam tsheb, feem ntau yog hloov lub cav qub, lub kauj, lub hauv paus thiab lwm yam. Piv txwv li, General Motors muaj 15 phaus (6.8 kilograms) ntawm magnesium molded qhov chaw hauv nws lub cav Polaris V-8, uas nws sib sau ua ke hauv Cadillacs. Nyob rau hauv nruab nrab-1990s lub tuam txhab tau ua 25,000 mus rau 30,000 lub tsheb ib xyoo thiab xav tau magnesium rau ib leeg. Kev thov los ntawm General Motors (GM), uas tsim ntau tshaj 9m tsheb hauv ib xyoos, thiab Toyota (TM), uas tsim tau yuav luag ntau npaum li GM, yog txaus kom muaj kev lag luam zoo siab.
Ua ntej xyoo 1949, txawm hais tias Tuam Tshoj muaj ntau cov khoom siv magnesium smelting, nyob rau hauv lub xyoo ntev, vim yog imperialist ntxeem tau thiab txoj cai ntawm lub Kuomintang, Tuam Tshoj' s magnesium ntau lawm yuav luag nyob rau hauv ib tug dawb paug lub xeev. Thaum Lub Xya Hli 1938, Nyiv tau tsim Manchuria Magnesium Industry Corporation nyob rau sab qaum teb Suav. Thaum Lub Kaum Hli 1943, nws tau tsim lub Hoobkas magnesium hauv Yingkou nrog cov khoom siv hluav taws xob thiab tsim muaj peev xwm ntawm 800 / a thiab muab tso rau hauv kev ua haujlwm. Thaum lub Yim Hli 1945, tsuas yog 691t magnesium tau tsim. Vim tias qee qhov teeb meem kev tsim khoom tsis tau daws tau zoo, lub peev xwm ntau lawm tsis tau mus txog.
Nyob rau hauv 1943, ib tug pilot cog nrog ib tug txhua xyoo tso zis ntawm 300t tau tsim nyob rau hauv Fushun Aluminium Cog los ntawm kev siv lub thermal txo txoj kev ntawm calcium carbide kom txo tau magnesium oxide, thiab ib tug me me ntawm magnesium tau sim ua. Cov chaw ua haujlwm saum toj no tau raug puas tsuaj loj ua ntej kev ywj pheej hauv xyoo 1949, thiab cov cuab yeej siv thiab cov ntaub ntawv tau ploj lawm.
Thaum Lub Ob Hlis Ntuj xyoo 1954, lub xeev tau pom zoo kev tsim kho ntawm magnesium Rhiav hauv Fushun Aluminium Works. Kev tsim kho tau pib thaum lub Plaub Hlis, 1957, thiab thawj pawg ntawm magnesium ingot ntawm Tuam Tshoj tshiab tau tsim tawm rau lub Kaum Ob Hlis 30, 1957. Kev tsim khoom ntawm lub rooj cob qhia tau ua rau muaj txiaj ntsig zoo rau kev txhim kho ntawm Tuam Tshoj' kev lag luam magnesium.
Txij xyoo 1958 txog rau xyoo 1960, Tuam Tshoj tau ua haujlwm ntau hauv kev tsim cov magnesium kev lag luam, tau npaj rau kev npaj ntawm Yingkou magnesium Hoobkas, Yancheng magnesium Hoobkas, qingxi magnesium Hoobkas, tab sis vim muaj ntau yam laj thawj tau nres. Txog thaum pib ntawm 1966, 60 / A Pijiang txheej txheem magnesium rhiav tau tsim nyob rau hauv Lanzhou 205 Cog, uas yog thawj silicon thermal txheej txheem magnesium rhiav rau kev tsim khoom ntawm hlau magnesium hauv Suav teb. Nws calcined dolomite nrog rau lub qhov cub ntsug nrog ib txoj kab uas hla ntawm 1.8m, thiab muaj ib tug kab rov tav tank txo rauv tsim los ntawm 40 txo tso tsheb hlau luam. Gas yog siv los ua roj rau kev txo qis thiab ua kom zoo.
Los ntawm qhov kawg ntawm xyoo 1960 mus txog rau xyoo 1970, lub tuam txhab tau ua tiav cov kev sim magnesium smelting thiab tsim cov kab rov tav txo qhov cub los ntawm cov txheej txheem thermal silicon hauv Fushun, Zhengzhou, Lanzhou, Minhe thiab lwm cov tuam txhab, thiab ua qee yam kev vam meej, tab sis nres ntau lawm. ib tug tom qab lwm vim hais tias ntawm siab noj graphite electrode phaj thiab tank.
Txij li thaum xyoo 1970, 17 lub zos me me magnesium nroj tsuag (kev cob qhia) nrog seawater brine thiab dolomite raws li raw cov ntaub ntawv tau tsim sai heev nyob rau hauv 10 ntug dej hiav txwv xeev thiab lub zos, uas 12 txais yuav electrolysis txoj kev. Cov nroj tsuag magnesium me me los ntawm me me mus rau qhov loj, los ntawm cov av mus rau txawv teb chaws, sab kev sim, sab ntau lawm sab kev tsim kho, maj mam ua kom tiav cov kev txhawb nqa, mus rau 1976 symbiosis tso zis 1242T hlau magnesium, daws qhov kev xav tau ceev ceev rau magnesium hauv Suav teb. Nyob rau hauv plaub lub xyoos txij li xyoo 1975 txog 1978, tsuas yog 662 tons ntawm magnesium raug xa tuaj, 15.5 feem pua ntawm cov nyiaj tau los hauv xyoo 1974 thiab 9.9 feem pua ntawm xyoo 1973. Tom qab ntawd, cov nroj tsuag magnesium me me no vim yog cov txheej txheem thiab cov txheej txheem ntawm kev tshem tawm, cov txheej txheem ntau lawm yog me me, tshwj xeeb tshaj yog tons ntawm magnesium electrolytic zog noj siab li 55,000 kW. Kev tsim khoom yog nyob rau hauv kev tsim khoom ua tsaug rau qhov teeb meem ntawm kev tsim khoom tsawg dua thiab poob qis, ua ke nrog lub zog tsis muaj zog hauv zos, tsis tuaj yeem lav cov khoom siv hluav taws xob ib txwm muaj, tau nres ntau lawm.
Txij li thaum xyoo 1990, nrog rau kev sib sib zog nqus ntawm kev hloov kho thiab qhib thiab kev sib sib zog nqus ntawm kev lag luam kev lag luam, magnesium kev lag luam thiab lwm yam kev lag luam kuj tau tsim los ntawm leaps thiab ciam teb. Hauv xyoo 1995-1996, pijiang magnesium cog yuav luag thoob plaws lub tebchaws, thiab muaj ntau tshaj 40 qhov sib koom ua ke. Thaum kawg ntawm 2000, raws li kev txheeb cais, ntau tshaj 120 lub tuam txhab tsim khoom muaj peev xwm ntau dua 300,000 tons, cov khoom lag luam ze li ntawm 200,000 tons, xa tawm ntawm 165,000 tons, cov zis ntau dua 1/3 ntawm lub ntiaj teb' s tag nrho cov zis, xa tawm ntau tshaj 1/3 ntawm lub ntiaj teb' s noj, tau dhau los ua lub ntiaj teb' cov khoom loj tshaj plaws ntawm raw magnesium thiab cov khoom loj tshaj plaws magnesium export. Xyoo 2002, Tuam Tshoj tau tsim 268,000 tons ntawm magnesium thiab xa tawm 209,000 tons.
