Li-Electrode tsa Chaena li Fumana Maemo a Machabeng

Lilemong tsa morao tjena, ka tsoelo-pele ea sechaba le tsoelo-pele ea saense le thekenoloji, haholo-holo ho bokelloa ha likopano tsa boemo ba leholimo ba Copenhagen le Cancun, likhopolo tsa matla a matala le tsoelo-pele e tsitsitseng li se li tumme haholo.Joalo ka indasteri e ntseng e tsoela pele, nts'etsopele ea lisebelisoa tse ncha le matla a macha e tla fetoha ntlha e ncha ea kholo ea moruo nakong e tlang, e tla tlisa nts'etsopele e potlakileng ea indasteri ea silicon le indasteri ea photovoltaic.
Taba ea pele, indasteri ea silicon e ntseng e hola ka potlako naheng ea China

Ho latela lipalo-palo tsa Lekala la Silicon la China Nonferrous Metals Industry Association, tlhahiso ea silicon ea indasteri ea China e eketsehile ho tloha ho lithane tse limilione tse 1.7/selemo ka 2006 ho ea ho lithane tse limilione tse 2.75/selemo ka 2010, 'me tlhahiso e eketsehile ho tloha ho lithane tse 800,000 ho isa ho lithane tse limilione tse 1.15. ka nako e ts'oanang, ka sekhahla sa kholo ea selemo le selemo ea 12,8% le 9.5% ka ho latellana.Haholo-holo ka mor'a mathata a lichelete, ka palo e kholo ea merero ea silicone le polysilicon e kentsoeng tlhahiso le ho phahama ha indasteri ea likoloi, tlhokahalo ea 'maraka oa silicon ea malapeng e ile ea eketseha haholo, e leng se ileng sa tsosa cheseho ea matsete a poraefete indastering ea silicon ea indasteri, le eona. matla a tlhahiso a bontšitse mokhoa oa ho hōla ka potlako nakong e khutšoanyane.

Qetellong ea 2010, matla a tlhahiso ea silicon ea indasteri e ntseng e hahuoa libakeng tse kholo tsa China e se e fihlile ho lithane tse limilione tse 1.24 ka selemo, 'me ho hakanngoa hore matla a tlhahiso ea liindasteri a sa tsoa hahoa Chaena a lebelletsoe ho fihla ho lithane tse limilione tse 2-2.5. /selemo pakeng tsa 2011 le 2015.

Ka nako e ts'oanang, mmuso o khothaletsa ka mafolofolo libono tsa motlakase tsa silicon tse kholo le tse kholo.Ho ea ka leano la indasteri, palo e kholo ea libōpi tse nyenyane tsa motlakase tsa 6300KVA li tla felisoa ka ho feletseng pele ho 2014. Ho hakanngoa hore matla a tlhahiso ea libōpi tse nyenyane tsa liindasteri tsa silicon Chaena li tla felisoa ka lithane tse limilione tse 1-1.2 selemo le selemo pele ho 2015. ka nako e ts'oanang, hajoale, merero e sa tsoa hahuoa e hlokomela tekanyo ea indasteri le lisebelisoa tse kholo ka lebaka la melemo e tsoetseng pele ea thekenoloji, ka potlako e hapa 'maraka ka melemo ea eona ea lisebelisoa kapa thepa,' me e potlakisa ho felisoa ha bokhoni ba tlhahiso ea morao-rao.

Ka hona, ho hakanngoa hore matla a tlhahiso ea silicon ea tšepe ea Chaena a tla fihla ho lithane tse limilione tse 4 / selemo ka 2015, 'me tlhahiso ea silicon ea indasteri e tla fihla ho lithane tse limilione tse 1,6 ka nako e tšoanang.

Ho latela pono ea nts'etsopele ea indasteri ea silicon ea lefats'e, indasteri ea silicon ea tšepe linaheng tse tsoetseng pele tsa bophirima e tla fetohela linaheng tse tsoelang pele butle-butle, 'me tlhahiso e tla kena sethaleng sa kholo e tlaase, empa tlhokahalo e ntse e tla boloka mokhoa o tsitsitseng oa ho hōla. haholo-holo ho tloha tlhokahalo ea liindasteri tsa silicone le polysilicon.Ka hona, linaha tsa bophirimela li tlamehile ho eketsa ho kenngoa ha silicon ea tšepe.Ho latela pono ea tekano ea phepelo le tlhokahalo ea lefats'e, ka 2015, lekhalo lipakeng tsa phepelo le tlhoko ea silicon ea tšepe linaheng tse tsoetseng pele joalo ka United States, Europe Bophirima, Japane le Korea Boroa li tla fihla ho lithane tse 900,000, ha China e tla romella lithane tse 750,000 ho ho fihlela tlhoko ea eona, ha linaha tse ling tse tsoelang pele li tla fana ka tse ling.Ha e le hantle, nakong e tlang, 'muso oa Chaena o tlamehile ho matlafatsa tsamaiso ea litsebo tsa likhoebo,' me o ka eketsa litefiso tsa thepa ea kantle ho naha, e leng se tla etsa hore ho be le maemo a matle bakeng sa likhoebo tse kholo ho romela silicon ea tšepe.

Ka nako e ts'oanang, ts'ebetsong ea nts'etsopele e potlakileng ea indasteri ea polysilicon ea naha, indasteri ea polysilicon ea Chaena e hlokometse boholo ba indasteri ea polysilicon ka ho hlahisa theknoloji e tsoetseng pele ea linaheng tse ling, ho kopanya tšilo ea lijo le ho monya ka mokhoa o ikemetseng, le bokhoni ba tlhahiso le lihlahisoa li na le. e ile ea eketseha ka potlako.Ka ts'ehetso ea maano a naha, likhoebo tsa malapeng li na le tsebo ea bohlokoa ea theknoloji ea tlhahiso ea polysilicon ka ho itšetleha ka boqapi bo ikemetseng le bocha ba theknoloji e tsoang linaheng tse ling, ho senya monopo le ho thibela theknoloji ea tlhahiso ea polysilicon linaheng tse tsoetseng pele.Ho ea ka lipatlisiso le lipalo-palo tse amehang, ho tloha bofelong ba 2010, ho ne ho e-na le merero ea polysilicon e 87 e hahiloeng le e ntseng e hahuoa Chaena.Har'a likhoebo tse 41 tse hahiloeng, tse 3 ke mekhoa ea silane e nang le matla a tlhahiso ea lithane tse 5,300, tse 10 ke mekhoa ea 'mele e nang le matla a tlhahiso ea lithane tse 12,200,' me tse 28 ke mekhoa e ntlafalitsoeng ea Siemens e nang le matla a tlhahiso ea lithane tse 70,210.Kakaretso ea merero e hahiloeng ke lithane tse 87,710;Merero e meng e 47 e ntseng e hahuoa, bokhoni ba tlhahiso ea mokhoa oa Siemens bo ile ba ntlafatsoa ka lithane tse 85,250, mokhoa oa silane ka lithane tse 6,000 le metallurgy ea 'mele le mekhoa e meng ka lithane tse 22,200.Kakaretso ea merero e ntseng e hahuoa ke lithane tse 113,550.
Ea bobeli, tlhokahalo le litlhoko tse ncha tsa lihlahisoa tsa carbon ho nts'etsopele ea indasteri ea silicon hona joale

Moralo oa Lilemo tse Hlano oa Chaena oa bo-12 o hlahisa matla a macha le lisebelisoa tse ncha joalo ka liindasteri tse ntseng li tsoela pele tsa leano.Ka nts'etsopele e potlakileng ea indasteri ea matla a macha, tlhoko ea bareki ea silicon ea tšepe ea maemo a holimo e ntse e eketseha, e hlokang hore li-smelters tsa tšepe tsa tšepe li ntlafatse lisebelisoa tse tala le ts'ebetso ea ho hlahisa silicon ea tšepe ea maemo a holimo e nang le likarolo tse tlase tse kotsi.

Lisebelisoa tsa k'habone tse sebetsang hantle haholo ke motheo oa indasteri bakeng sa nts'etsopele ea indasteri ea silicon, 'me li phela hammoho le ho atleha hammoho.Hobane thepa ea k'habone e na le letsoalo le letle, boima le matla a ho hatella, 'me e na le melemo ea ho hanyetsa mocheso o phahameng, ho hanyetsa khatello e phahameng, ho hanyetsa kutu, conductivity e ntle le ts'ebetso e tsitsitseng, ha ho etsoa li-wafers tsa silicon, lisebelisoa tsa carbon li ka etsoa ho futhumatsa. setshelo (composite graphite crucible) bakeng sa lejoe la silicon, 'me se ka sebelisoa e le lebala la mocheso bakeng sa ho hloekisa polysilicon, ho hula melamu e le' ngoe ea kristale ea silicon le ho etsa li-ingots tsa polysilicon.Ka lebaka la ts'ebetso e ikhethang ea lisebelisoa tsa carbon, ha ho na lisebelisoa tse ling tse ka e nkelang sebaka.

Ka sebopeho se secha sa nts'etsopele, Hebei Hexi Carbon Co., Ltd. e hlokometse ntlafatso ea sebopeho sa sehlahisoa ka ho phehella boiqapelo bo ikemetseng e le ho tsoela pele ho theha boleng ba bareki le ho phethahatsa tšepiso ea "ho fana ka lisebelisoa tse ncha bakeng sa indasteri e ncha ea matla", le leano la eona le shebane le matla a macha le lisebelisoa tse ncha.

Ka 2020, litsebi tsa k'hamphani ea rona li atlehile ho nts'etsapele φ1272mm graphite electrode le φ1320mm e khethehileng ea carbon electrode bakeng sa silicon e hloekileng ka ho ntlafatsa motsoako, ho khetha foromo le mokhoa oa ho fetola makhetlo a mangata.Patlisiso e atlehileng le nts'etsopele ea sehlahisoa sena e tlatsa lekhalo la li-electrode tsa boholo bo boholo ba malapeng, e fihla boemong bo tsoetseng pele ba machabeng, 'me e amoheloa ke bareki.Ke khetho e nepahetseng bakeng sa bareki ho qhibilihisa silicon ea tšepe e hloekileng haholo.Lilemong tse 'maloa tse tlang, ka ts'ebetsong e tsoelang pele ea mosebetsi oa naha oa paballo ea matla le ts'ireletso ea tikoloho, libopi tse nyane tsa silicon tse sebelisang matla a mangata li tla qetella li felisitsoe.Tšebeliso ea li-electrode tsa graphite tse boholo bo boholo le li-electrode tsa carbon tse inehetseng ka silicon e tla fetoha mokhoa o ka sehloohong oa ho qhibilihisa tšepe ea tšepe ea silicon ea malapeng.Mofuta ona oa electrode o na le litšobotsi tse tharo;(1) sekhahla se phahameng, khanyetso e tlase le matla a phahameng a mochini;(2) Sekhahla se tlase sa katoloso ea mocheso le khanyetso e ntle ea mocheso oa mocheso;(3) Tšepe, aluminium, k’halsiamo, phosphorus, boron le titanium li na le li-trace elements tse fokolang, ’me silicon ea tšepe ea boemo bo phahameng e ka qhibilihisoa.

E le ho fihlela litlhoko le litebello tsa bareki, re itšetlehile ka phihlelo e ruileng ea tlhahiso le matla a matla a theknoloji, ho theha tsamaiso e phethahetseng ea boleng ba ISO9001, ho kenya ts'ebetsong tsamaiso ea "7S" le "6σ" mekhoa ea tsamaiso, le ho fa bareki lihlahisoa tsa boleng bo phahameng tlas'a tiiso ea lisebelisoa tse tsoetseng pele le mokhoa oa tsamaiso ea boleng:
(1) Thepa e tsoetseng pele ke tiisetso ea bokhoni ba boleng: Khampani ea rona e na le theknoloji ea ho luba e sebetsang hantle e tsoang kantle ho naha ho tsoa Jeremane, e nang le ts'ebetso e ikhethang mme e netefatsa boleng ba peista ka nepo, ka hona e netefatsa boleng ba ho etsa li-electrode.Ts'ebetsong ea ho bōptjoa, mochine oa ho bopa oa "hydraulic vibration" oa litsela tse peli o amoheloa, 'me theknoloji ea eona e ikhethang ea phetoho ea maqhubu le khatello ea khatello ea khatello e etsa hore boleng ba sehlahisoa bo tsitse le ho lumellana ha molumo oa elektrode hantle ka ho ajoa ho utloahalang ha nako ea ho sisinyeha;Bakeng sa ho halika, ho nyalana ha sesebelisoa sa mollo le tsamaiso ea ho laola ka mokhoa o itekanetseng ho etsoa ka lesale la ho chesa sebōpi.Sistimi ea CC2000FS e ka futhumatsa le ho baka li-electrode ka har'a mabokose a thepa ka har'a mocheso le khatello e mpe ea lebokose le leng le le leng la thepa le mocha oa mollo sebakeng sa preheating le sebakeng sa ho baka.Phapang ea mocheso pakeng tsa likamore tse ka holimo le tse tlaase tsa sebōpi ha e fete 30 ℃, e leng se tiisang hore ho na le resistivity e tšoanang ea karolo ka 'ngoe ea electrode;Ka lehlakoreng la machining, ho amoheloa theknoloji ea ho laola lipalo le ho sila, e nang le ts'ebetso e phahameng ea machining le mamello e bokelletsoeng ea molumo o ka tlase ho 0.02mm, kahoo khanyetso ea khokahano e tlase mme ea hona joale e ka feta ka mokhoa o ts'oanang.
(2) Mokhoa o tsoetseng pele oa taolo ea boleng: baenjiniere ba taolo ea boleng ba k'hamphani ea rona ba laola lihokelo tsohle ho latela taolo ea boleng ba 32 le lintlha tsa ho emisa;Ho laola le ho laola lirekoto tsa boleng, ho fana ka bopaki ba hore boleng ba sehlahisoa bo kopana le litlhoko tse boletsoeng le tsamaiso ea boleng bo sebetsang hantle, le ho fana ka motheo oa pele oa ho lemoha ho latelloa le ho nka mehato ea tokiso kapa ea thibelo;Kenya tšebetsong sistimi ea linomoro tsa sehlahisoa, 'me ts'ebetso eohle ea tlhahlobo e na le lirekoto tsa boleng, joalo ka litlaleho tsa tlhahlobo ea thepa e tala, lirekoto tsa tlhahlobo ea ts'ebetso, lirekoto tsa tlhahlobo ea lihlahisoa, litlaleho tsa tlhahlobo ea lihlahisoa, joalo-joalo, ho netefatsa ts'ebetso ea ts'ebetso eohle ea tlhahiso ea lihlahisoa.
Tsoelopeleng e tlang, re tla lula re latela leano la "ho itšetleha ka mahlale le thekenoloji le taolo, ho nts'etsapele le ho fihlela litlhoko tsa basebelisi le ho eketsa tlholisano ea likhoebo", le ho latela sepheo sa khoebo sa "botumo pele le ho theha boleng ba bareki" .Tlas'a boetapele ba mekhatlo ea khoebo le ka tšehetso e matla ea lithaka le bareki, re tla tsoelapele ho etsa boqapi ba theknoloji le ho hlahisa lihlahisoa tse ncha ho fihlela litlhoko tsa bareki le ho theha boleng bo boholo ho bareki.


Nako ea poso: Jan-25-2021