Nyob rau hauv xyoo tas los no, nrog rau kev vam meej ntawm tib neeg thiab kev loj hlob ntawm science thiab technology, tshwj xeeb tshaj yog lub convening ntawm Copenhagen thiab Cancun huab cua rooj sab laj, lub tswv yim ntawm ntsuab zog thiab sustainable kev loj hlob tau ua nrov nrov.Raws li kev lag luam tawm tswv yim, kev tsim cov khoom siv tshiab thiab lub zog tshiab yuav dhau los ua qhov kev loj hlob tshiab ntawm kev lag luam yav tom ntej, uas yuav ua rau muaj kev loj hlob sai ntawm silicon kev lag luam thiab kev lag luam photovoltaic.
Ua ntej, kev lag luam silicon tau tsim sai heev hauv Suav teb
Raws li kev txheeb cais ntawm Silicon ceg ntawm Tuam Tshoj Nonferrous Hlau Kev Lag Luam Association, Tuam Tshoj txoj kev lag luam silicon muaj peev xwm tau nce los ntawm 1.7 lab tons / xyoo hauv xyoo 2006 txog 2.75 lab tons / xyoo hauv 2010, thiab cov zis tau nce los ntawm 800,000 tons rau 1.15 lab tons. nyob rau tib lub sijhawm, nrog qhov nruab nrab txhua xyoo kev loj hlob ntawm 12.8% thiab 9.5% feem.Tshwj xeeb tshaj yog tom qab muaj teeb meem nyiaj txiag, nrog ntau cov khoom siv silicone thiab polysilicon muab tso rau hauv kev tsim khoom thiab nce kev lag luam tsheb, kev lag luam hauv tsev lag luam silicon xav tau nce ntau, uas ntxiv txhawb kev txaus siab ntawm kev lag luam ntiag tug hauv kev lag luam silicon, thiab nws cov ntau lawm muaj peev xwm qhia tau hais tias muaj kev loj hlob sai nyob rau hauv lub sij hawm luv luv.
Thaum kawg ntawm xyoo 2010, lub peev xwm ntawm cov khoom siv silicon hauv kev tsim kho hauv thaj chaw loj hauv Suav teb tau nce mus txog 1.24 lab tons / xyoo, thiab nws tau kwv yees tias qhov kev tsim kho tshiab ntawm cov khoom siv silicon hauv Suav teb yuav tsum ncav cuag li 2-2.5 lab tons. / xyoo ntawm 2011 thiab 2015.
Nyob rau tib lub sijhawm, lub xeev nquag txhawb nqa cov khoom siv loj thiab cov khoom siv hluav taws xob loj hauv silicon hluav taws xob.Raws li txoj cai kev lag luam, ntau ntawm 6300KVA cov hluav taws xob me me yuav raug tshem tawm tag nrho ua ntej 2014. Nws kwv yees tias cov peev txheej ntawm cov khoom siv hluav taws xob me me hauv Suav teb yuav raug tshem tawm los ntawm 1-1.2 lab tons txhua xyoo ua ntej 2015. Tib lub sijhawm, tam sim no, cov phiaj xwm tshiab tsim tau paub txog kev lag luam thiab cov cuab yeej loj loj los ntawm kev tsim txiaj ntawm cov cuab yeej technology zoo, sai sai txeeb lub lag luam los ntawm lawv tus kheej zoo hauv cov peev txheej lossis kev xa khoom, thiab ua kom tshem tawm cov peev txheej rov qab.
Yog li, nws tau kwv yees tias Tuam Tshoj cov hlau silicon muaj peev xwm yuav ncav cuag 4 lab tons / xyoo hauv xyoo 2015, thiab cov khoom lag luam silicon tso tawm yuav ncav cuag 1.6 lab tons hauv tib lub sijhawm.
Los ntawm qhov kev xav ntawm kev lag luam silicon thoob ntiaj teb kev tsim kho, kev lag luam hlau silicon nyob rau sab hnub poob tsim lub teb chaws yuav maj mam hloov mus rau cov teb chaws tsim nyob rau yav tom ntej, thiab cov khoom tsim tawm yuav nkag mus rau theem kev loj hlob qis, tab sis qhov kev thov tseem yuav muaj kev loj hlob tsis tu ncua, tshwj xeeb tshaj yog los ntawm kev thov rau silicone thiab polysilicon industries.Yog li ntawd, cov teb chaws sab hnub poob tau ua txhua yam kom nce cov ntshuam ntawm cov hlau silicon.Los ntawm qhov kev xav ntawm thoob ntiaj teb cov khoom siv thiab kev xav tau sib npaug, nyob rau xyoo 2015, qhov sib txawv ntawm cov khoom siv thiab kev thov ntawm cov hlau silicon hauv cov tebchaws tsim xws li Tebchaws Meskas, Western Europe, Nyiv thiab Kaus Lim Qab Teb yuav ncav cuag 900,000 tons, thaum Tuam Tshoj yuav xa tawm 750,000 tons rau ua tau raws li nws qhov kev thov, thaum lwm lub tebchaws tsim kho yuav muab cov khoom seem.Tau kawg, yav tom ntej, tsoomfwv Suav tau ua txhua yam kom ntxiv dag zog rau kev tswj hwm kev tsim nyog ntawm kev lag luam, thiab tej zaum yuav ntxiv cov nqi xa tawm ntxiv, uas yuav tsim kom muaj txiaj ntsig zoo rau cov lag luam loj kom xa cov hlau silicon.
Nyob rau tib lub sijhawm, nyob rau hauv tus txheej txheem ntawm txoj kev loj hlob sai ntawm lub teb chaws polysilicon kev lag luam, Tuam Tshoj txoj kev lag luam polysilicon tau pib paub qhov kev lag luam ntawm polysilicon los ntawm kev qhia txawv teb chaws cov cuab yeej technology, sib txuas kev zom thiab nqus nrog kev ywj pheej innovation, thiab cov khoom muaj peev xwm thiab cov zis muaj. nce sai heev.Nrog kev txhawb nqa ntawm lub teb chaws txoj cai, cov lag luam hauv tsev tau pib paub txog cov thev naus laus zis tseem ceeb ntawm polysilicon ntau lawm los ntawm kev cia siab rau kev ywj pheej innovation thiab rov tsim kho tshiab ntawm cov thev naus laus zis txawv teb chaws, rhuav tshem cov monopoly thiab blockade ntawm polysilicon ntau lawm technology hauv cov teb chaws tsim.Raws li kev soj ntsuam thiab cov txheeb cais, raws li qhov kawg ntawm 2010, muaj 87 polysilicon tej yaam num tsim thiab nyob rau hauv Tuam Tshoj.Ntawm 41 lub tuam txhab uas tau tsim, 3 yog silane txoj kev uas muaj peev xwm ntau lawm ntawm 5,300 tons, 10 yog lub cev txoj kev uas muaj peev xwm ntau lawm ntawm 12,200 tons, thiab 28 yog txhim kho Siemens txoj kev nrog lub peev xwm ntau lawm ntawm 70,210 tons.Tag nrho cov nplai ntawm kev tsim ua haujlwm yog 87,710 tons;Nyob rau hauv lwm yam 47 tej yaam num nyob rau hauv kev tsim kho, lub peev xwm ntau lawm ntawm Siemens txoj kev tau txhim kho los ntawm 85,250 tons, silane txoj kev los ntawm 6,000 tons thiab lub cev metallurgy thiab lwm txoj kev los ntawm 22,200 tons.Tag nrho cov nplai ntawm cov haujlwm hauv kev tsim kho yog 113,550 tons.
Qhov thib ob, qhov kev thov thiab cov kev xav tau tshiab ntawm cov khoom siv carbon hauv kev txhim kho kev lag luam silicon tam sim no
Tuam Tshoj 12th Tsib Xyoo Plan tso rau pem hauv ntej lub zog tshiab thiab cov ntaub ntawv tshiab raws li kev lag luam tawm tswv yim.Nrog rau txoj kev loj hlob sai ntawm kev lag luam hluav taws xob tshiab, cov neeg siv khoom xav tau qib siab hlau silicon yog nce, uas yuav tsum tau hlau silicon smelters los ua kom zoo dua cov ntaub ntawv raw thiab cov txheej txheem los tsim cov qib high-qib hlau silicon uas tsis tshua muaj teeb meem kab.
Cov ntaub ntawv muaj txiaj ntsig zoo yog cov hauv paus kev lag luam rau kev txhim kho kev lag luam silicon, thiab lawv sib koom ua ke thiab vam meej ua ke.Vim tias cov khoom siv ceev, hardness thiab compressive lub zog, thiab kev siv zog ua haujlwm, cov khoom siv carbon, cov roj carbon monoxide, tuaj yeem ua rau muaj cua sov thawv (composite graphite crucible) rau silicon pob zeb, thiab yuav siv tau raws li ib tug thermal teb rau purifying polysilicon, kos ib tug siv lead ua silicon rods thiab manufacturing polysilicon ingots.Vim qhov ua tau zoo ntawm cov khoom siv carbon, tsis muaj lwm yam khoom los hloov nws.
Nyob rau hauv daim ntawv tshiab txoj kev loj hlob, Hebei Hexi Carbon Co., Ltd. tau paub txog kev kho dua tshiab ntawm cov khoom qauv los ntawm persisting nyob rau hauv ywj siab innovation nyob rau hauv thiaj li yuav tsis tu ncua tsim nqi rau cov neeg muas zaub thiab ua tiav cov lus cog tseg ntawm "muab cov ntaub ntawv tshiab rau tshiab zog kev lag luam", thiab nws lub tswv yim tsom rau lub zog tshiab thiab cov khoom siv tshiab.
Xyoo 2020, cov kws tshaj lij ntawm peb lub tuam txhab tau tsim ua tiav φ1272mm graphite electrode thiab φ1320mm tshwj xeeb carbon electrode rau siab purity silicon los ntawm optimizing ua ke, xaiv cov mis thiab kho cov txheej txheem rau ntau zaus.Kev tshawb fawb thiab kev loj hlob ntawm cov khoom no ua tiav qhov sib txawv ntawm cov khoom siv hluav taws xob loj hauv tsev, mus txog qib siab thoob ntiaj teb, thiab tau lees paub los ntawm cov neeg siv khoom.Nws yog ib qho kev xaiv zoo tshaj plaws rau cov neeg siv khoom kom smelt high-purity hlau silicon.Nyob rau hauv ob peb xyoos tom ntej no, nrog rau kev siv ntxiv ntawm lub teb chaws kev txuag hluav taws xob thiab kev tiv thaiv ib puag ncig, me me silicon furnaces nrog siab zog noj yuav thaum kawg raug tshem tawm.Kev siv cov graphite electrodes loj loj thiab silicon-dedicated carbon electrodes yuav dhau los ua ib qho kev sib tw loj hauv cov hlau silicon rauv smelting.Hom electrode no muaj peb yam ntxwv;(1) siab ceev, tsis tshua muaj kev tiv thaiv thiab siab mechanical zog;(2) Tsawg thermal expansion tus nqi thiab zoo thermal shock kuj;(3) Hlau, txhuas, calcium, phosphorus, boron thiab titanium yog tsawg nyob rau hauv kab kawm, thiab qib high-qib metallic silicon yuav smelted.
Txhawm rau ua kom tau raws li cov neeg siv khoom xav tau thiab kev cia siab, peb cia siab rau kev tsim khoom lag luam nplua nuj thiab kev siv zog muaj zog, tsim kom muaj kev tswj hwm zoo tshaj plaws ISO9001, siv "7S" kev tswj hwm thiab "6σ" txoj kev tswj hwm, thiab muab cov neeg siv khoom nrog cov khoom zoo hauv qab. lub guarantee ntawm cov cuab yeej siv siab heev thiab kev tswj xyuas zoo:
(1) Cov cuab yeej siv siab tshaj plaws yog qhov kev lees paub ntawm kev muaj peev xwm zoo: Peb lub tuam txhab muaj cov tshuab kneading high-efficiency imported los ntawm lub teb chaws Yelemees, uas muaj cov txheej txheem tshwj xeeb thiab ua tau zoo lav qhov muab tshuaj txhuam zoo, yog li ua kom cov khoom zoo ntawm electrodes.Nyob rau hauv cov txheej txheem molding, lub tshuab nqus tsev ob-txoj kev hydraulic vibration molding tshuab yog saws, thiab nws cov cim zaus hloov dua siab tshiab thiab siab vibration tshuab ua rau cov khoom zoo ruaj khov thiab lub ntim ntom ntom uniformity ntawm cov electrode zoo los ntawm kev tsim nyog tis ntawm lub sij hawm vibration;Rau roasting, sib piv ntawm combustion ntaus ntawv thiab tsis siv neeg tswj system yog nqa tawm nyob rau hauv lub nplhaib roasting rauv.CC2000FS system tuaj yeem ua kom sov thiab ci cov electrodes hauv cov khoom ntim hauv qhov kub thiab qhov tsis zoo ntawm txhua lub thawv khoom thiab cov hluav taws kub hauv cheeb tsam preheating thiab ci.Qhov kub ntawm qhov sib txawv ntawm lub qhov cub sab sauv thiab sab qis tsis tshaj 30 ℃, uas ua kom muaj qhov sib txawv ntawm txhua qhov ntawm electrode;Nyob rau sab machining, tus lej tswj kev tho txawv thiab milling thev naus laus zis tau txais yuav, uas muaj cov machining siab precision thiab cov kev ua siab ntev ntawm lub suab yog tsawg dua 0.02 hli, yog li qhov kev sib txuas tsis zoo yog qhov tsawg thiab qhov tam sim no tuaj yeem sib npaug.
(2) Advanced zoo tswj hom: peb lub tuam txhab kev tswj xyuas zoo engineers tswj tag nrho cov txuas raws li 32 zoo tswj thiab nres cov ntsiab lus;Tswj thiab tswj cov ntaub ntawv zoo, muab pov thawj tias cov khoom zoo ua tau raws li qhov yuav tsum tau ua thiab cov txheej txheem zoo ua haujlwm tau zoo, thiab muab lub hauv paus rau kev paub txog kev taug qab thiab kev kho lossis tiv thaiv kev ntsuas;Ua raws li cov khoom lag luam, thiab tag nrho cov txheej txheem tshuaj xyuas muaj cov ntaub ntawv zoo, xws li cov ntaub ntawv tshuaj xyuas cov ntaub ntawv raw, cov ntaub ntawv soj ntsuam cov txheej txheem, cov ntaub ntawv tshuaj xyuas cov khoom, cov ntaub ntawv tshuaj xyuas cov khoom, thiab lwm yam.
Nyob rau hauv lub neej yav tom ntej txoj kev loj hlob, peb yuav ib txwm ua raws li txoj cai ntawm "kev cia siab rau kev tshawb fawb thiab thev naus laus zis thiab kev tswj hwm, txuas ntxiv txhim kho thiab ua tau raws li cov neeg siv khoom xav tau thiab ua kom muaj kev sib tw ua lag luam", thiab ua raws li lub hom phiaj ntawm kev lag luam ntawm "lub koob npe nrov ua ntej thiab tsim txiaj ntsig rau cov neeg siv khoom". .Raws li kev coj noj coj ua ntawm cov koom haum kev lag luam thiab nrog kev txhawb nqa zoo ntawm cov phooj ywg thiab cov neeg siv khoom, peb yuav txuas ntxiv ua cov thev naus laus zis tshiab thiab tsim cov khoom tshiab kom tau raws li cov neeg siv khoom xav tau thiab tsim kom muaj txiaj ntsig ntau dua rau cov neeg siv khoom.
Post lub sij hawm: Jan-25-2021