Eminyakeni yamuva nje, ngokuthuthuka komphakathi kanye nokuthuthukiswa kwesayensi nobuchwepheshe, ikakhulukazi ukubizwa kwezingqungquthela zesimo sezulu saseCopenhagen naseCancun, imiqondo yamandla aluhlaza kanye nentuthuko eqhubekayo iye yanda kakhulu.Njengemboni enamasu asafufusa, ukuthuthukiswa kwezinto ezintsha namandla amasha kuzoba yindawo entsha yokukhula komnotho esikhathini esizayo, okuzoletha nakanjani ukuthuthukiswa okusheshayo kwemboni ye-silicon kanye nemboni ye-photovoltaic.
Okokuqala, imboni ye-silicon ekhula ngokushesha eChina
Ngokwezibalo zeSilicon Branch of China Nonferrous Metals Industry Association, amandla okukhiqiza i-silicon yezimboni akhule esuka kumathani ayizigidi eziyi-1.7/ngonyaka ngo-2006 aya emathani ayizigidi ezingu-2.75/ngonyaka ngo-2010, futhi umphumela wenyuka usuka kumathani angu-800,000 wafinyelela kumathani ayizigidi ezingu-1.15 ngesikhathi esifanayo, ngesilinganiso samazinga okukhula ngonyaka ka-12.8% no-9.5% ngokulandelana.Ikakhulukazi ngemuva kwenkinga yezimali, ngenani elikhulu lamaphrojekthi we-silicone kanye ne-polysilicon ekhiqizwa kanye nokukhuphuka kwemboni yezimoto, isidingo semakethe ye-silicon yezimboni yasekhaya sakhula kakhulu, okuqhubekisela phambili umdlandla wokutshalwa kwezimali kwangasese embonini ye-silicon yezimboni, kanye nokukhula kwayo. umthamo wokukhiqiza ukhombise ukukhula ngokushesha esikhathini esifushane.
Ekupheleni kuka-2010, umthamo wokukhiqiza i-silicon yezimboni esakhiwa ezindaweni ezinkulu eChina usufinyelele amathani ayizigidi eziyi-1.24 ngonyaka, futhi kulinganiselwa ukuthi umthamo wokukhiqiza i-silicon yezimboni esanda kwakhiwa eChina kulindeleke ukuthi ufinyelele kumathani ayizigidi ezi-2-2.5. / ngonyaka phakathi kuka-2011 no-2015.
Ngesikhathi esifanayo, umbuso ukhuthaza ngentshiseko izithando zikagesi ze-silicon ezinkulu nezinkulu.Ngokusho kwenqubomgomo yezimboni, inombolo enkulu yezithando zikagesi ezincane ze-6300KVA zizoqedwa ngokuphelele ngaphambi kuka-2014. Kulinganiselwa ukuthi amandla okukhiqiza ama-silicone amancane ezimbonini zaseChina azoqedwa ngamathani ayizigidi ezingu-1-1.2 njalo ngonyaka ngaphambi kuka-2015. ngesikhathi esifanayo, okwamanje, amaphrojekthi asanda kwakhiwa aqaphela izinga lezimboni kanye nemishini emikhulu ngenxa yezinzuzo ezithuthukisiwe zezobuchwepheshe, ngokushesha ashaqe imakethe ngezinzuzo zawo ezinsizeni noma kwezokuthutha, futhi asheshise ukuqedwa komthamo wokukhiqiza osemuva.
Ngakho-ke, kulinganiselwa ukuthi umthamo wokukhiqiza i-silicon yensimbi yaseChina uzofinyelela amathani ayizigidi ezi-4 / ngonyaka ngo-2015, futhi ukuphuma kwe-silicon yezimboni kuzofinyelela amathani ayizigidi ezingu-1.6 ngesikhathi esifanayo.
Ngokombono wokuthuthukiswa kwemboni ye-silicon yomhlaba wonke, imboni ye-silicon yensimbi emazweni asentshonalanga izoshintsha kancane kancane iye emazweni asathuthuka ngokuzayo, futhi umphumela uzongena esigabeni sokukhula esinesivinini esiphansi, kodwa isidingo sisazoqhubeka nomkhuba wokukhula okuqhubekayo, ikakhulukazi kusukela ekudingeni izimboni ze-silicone ne-polysilicon.Ngakho-ke, amazwe asentshonalanga anesibopho sokwandisa ukungeniswa kwe-silicon yensimbi.Ngokombono webhalansi yokuhlinzeka nokufunwa komhlaba wonke, ngo-2015, igebe phakathi kokuhlinzekwa nokufunwa kwe-silicon yensimbi emazweni athuthukile njenge-United States, Western Europe, Japan kanye neNingizimu Korea izofinyelela amathani angu-900,000, kuyilapho i-China izothumela amathani angu-750,000 ukuhlangabezana nezidingo zayo, kanti amanye amazwe asathuthuka azohlinzeka ngokusele.Yiqiniso, esikhathini esizayo, uhulumeni waseShayina ubophekile ukuthi aqhubeke nokuqinisa ukuphathwa kweziqu zamabhizinisi, futhi angase akhulise amanani okuthunyelwa kwamanye amazwe, okuzodala izimo ezivumayo zamabhizinisi amakhulu ukuthumela i-silicon yensimbi.
Ngesikhathi esifanayo, ekuthuthukisweni okusheshayo kwemboni ye-polysilicon kazwelonke, imboni ye-polysilicon yaseChina ngokuyisisekelo yaqaphela izinga lezimboni ze-polysilicon ngokwethula ubuchwepheshe obuthuthukisiwe bangaphandle, ukuhlanganisa ukugaya nokumuncwa ngokuqamba okusha okuzimele, kanye namandla okukhiqiza kanye nokuphumayo anda ngokushesha.Ngokusekelwa izinqubomgomo zikazwelonke, amabhizinisi asekhaya ngokuyisisekelo abambe kahle ubuchwepheshe obubalulekile bokukhiqiza i-polysilicon ngokwethembela emisha ezimele kanye nokusungulwa kabusha kobuchwepheshe obungenisiwe, bephula ukubusa kanye nokuvinjwa kobuchwepheshe bokukhiqiza i-polysilicon emazweni athuthukile.Ngokocwaningo kanye nezibalo ezifanele, ekupheleni kuka-2010, kwakunamaphrojekthi we-polysilicon angu-87 akhiwe futhi asakhiwa eChina.Phakathi kwamabhizinisi angu-41 akhiwe, 3 izindlela ze-silane ezinamandla okukhiqiza amathani angu-5,300, i-10 izindlela ezingokwenyama ezinamandla okukhiqiza amathani angu-12,200, kanti angu-28 yizindlela ezithuthukisiwe ze-Siemens ezinamandla okukhiqiza amathani angu-70,210.Isamba sesikali semiklamo eyakhiwe singamathani ayi-87,710;Kwamanye amaphrojekthi angama-47 esakhiwayo, amandla okukhiqiza endlela ye-Siemens athuthukiswa ngamathani ayi-85,250, indlela ye-silane ngamathani ayi-6,000 kanye nokusansimbi ngokomzimba nezinye izindlela ngamathani angama-22,200.Isamba sesikali sephrojekthi esakhiwayo singamathani ayi-113,550.
Okwesibili, isidingo kanye nezidingo ezintsha zemikhiqizo yekhabhoni ekuthuthukisweni kwemboni ye-silicon njengamanje
Uhlelo lweminyaka eyi-12 lwaseShayina lweminyaka emihlanu lubeka phambili amandla amasha nezinto ezintsha njengezimboni zamasu ezisafufusa.Ngokuthuthuka okusheshayo kwemboni yamandla amasha, isidingo samakhasimende se-silicon yensimbi yezinga eliphezulu siyakhula, esidinga izincibilikisi zensimbi ze-silicon ukuze zandise izinto ezingavuthiwe futhi zicutshungulwe ukukhiqiza i-silicon yensimbi yezinga eliphezulu enezici eziphansi zokulandela umkhondo eziyingozi.
Izinto zekhabhoni ezisebenza kahle ziyisisekelo sezimboni sokuthuthukiswa kwemboni ye-silicon, futhi ziyaphilisana futhi ziyachuma ndawonye.Ngoba impahla ye-carbon inobuningi obuhle, ubulukhuni namandla acindezelayo, futhi inezinzuzo zokumelana nokushisa okuphezulu, ukumelana nengcindezi ephezulu, ukumelana nokugqwala, ukuhanjiswa okuhle nokusebenza okuzinzile, ekukhiqizeni ama-wafers e-silicon, impahla ye-carbon ingenziwa ibe yi-heater. isitsha (inhlanganisela ye-graphite crucible) yetshe le-silicon, futhi ingasetshenziswa njengendawo eshisayo yokuhlanza i-polysilicon, ukudweba izinti ze-crystal silicon eyodwa kanye nokukhiqiza ingots ye-polysilicon.Ngenxa yokusebenza okuvelele kwezinto zekhabhoni, azikho ezinye izinto ezingathatha indawo yayo.
Efomini elisha lokuthuthukisa, i-Hebei Hexi Carbon Co., Ltd. ibone ukuthuthukiswa kwesakhiwo somkhiqizo ngokuphikelela ezenzweni ezintsha ezizimele ukuze kuqhubeke kudaleke inani lamakhasimende futhi kugcwalise isithembiso “sokunikeza ngezinto ezintsha embonini yamandla amasha”, kanye isu layo ligxile emandleni amasha nezinto ezintsha.
Ngo-2020, ochwepheshe benkampani yethu bathuthukise ngempumelelo i-φ1272mm graphite electrode kanye ne-φ1320mm ekhethekile ye-carbon electrode ye-silicon ehlanzekile ngokuhlanganisa inhlanganisela, ukukhetha ifomula kanye nenqubo yokulungisa izikhathi eziningi.Ucwaningo oluyimpumelelo nokuthuthukiswa kwalo mkhiqizo lugcwalisa igebe lama-electrode asekhaya anosayizi omkhulu, lufinyelela ezingeni elithuthukisiwe lamazwe ngamazwe, futhi luqashelwa amakhasimende.Kuyinketho ekahle kumakhasimende ukuncibilikisa i-silicon yensimbi ehlanzekile kakhulu.Eminyakeni embalwa ezayo, ngokuqaliswa okuqhubekayo komsebenzi kazwelonke wokongiwa kwamandla kanye nomsebenzi wokuvikela imvelo, izithando zomlilo ezincane ze-silicon ezisetshenziswa kakhulu amandla ekugcineni zizoqedwa.Ukusetshenziswa kwama-electrode amakhulu e-graphite kanye nama-electrode ekhabhoni anikezelwe nge-silicon kuzoba umkhuba omkhulu ekuncibilikiseni kwesithando somlilo sensimbi yasekhaya.Lolu hlobo lwe-electrode lunezici ezintathu;(1) ukuminyana okuphezulu, ukumelana okuphansi namandla aphezulu emishini;(2) Izinga eliphansi lokunwetshwa kwe-thermal kanye nokumelana nokushaqeka okuhle kokushisa;(3) I-ayoni, i-aluminium, i-calcium, i-phosphorus, i-boron ne-titanium ayinawo ama-trace elements, futhi i-silicon yensimbi yezinga eliphezulu ingancibilika.
Ukuze sihlangabezane nezidingo zamakhasimende nalokho okulindelwe, sithembele ekuhlangenwe nakho okucebile kokukhiqiza namandla obuchwepheshe aqinile, sisungula uhlelo oluphelele lokuphatha ikhwalithi ye-ISO9001, sisebenzise ukuphathwa kwe-“7S” kanye nezindlela zokuphatha ze-“6σ”, futhi sinikeze amakhasimende imikhiqizo yekhwalithi ephezulu ngaphansi isiqinisekiso semishini ethuthukisiwe nemodi yokuphatha ikhwalithi:
(1) Imishini ethuthukisiwe iyisiqinisekiso sekhono lekhwalithi: Inkampani yethu inobuchwepheshe bokuxova obusebenza kahle kakhulu obungeniswe buvela eJalimane, obunenqubo eyingqayizivele futhi obuqinisekisa ngempumelelo ikhwalithi yokunamathisela, ngaleyo ndlela iqinisekise ikhwalithi yokubumba yama-electrode.Enqubweni yokubumba, umshini wokubumba we-vacuum wezindlela ezimbili we-hydraulic vibration uyamukelwa, futhi ubuchwepheshe bawo obuyingqayizivele bokuguqulwa kwemvamisa kanye nokucindezela kokudlidliza kwenza ikhwalithi yomkhiqizo izinze kanye nokufana kwevolumu ye-electrode okuhle ngokusatshalaliswa okunengqondo kwesikhathi sokudlidliza;Ukushisa, ukufanisa idivayisi yomlilo kanye nesistimu yokulawula okuzenzakalelayo kwenziwa esithandweni somlilo esiyindandatho.Uhlelo lwe-CC2000FS lungashisa kuqala futhi lubhake ama-electrode emabhokisini wezinto ezibonakalayo ngaphakathi kwezinga lokushisa nobubanzi bengcindezi engalungile yebhokisi ngalinye lezinto ezibonakalayo kanye nesiteshi somlilo endaweni yokushisa kuqala nendawo yokubhaka.Umehluko wokushisa phakathi kwamagumbi omlilo angaphezulu nangaphansi aweqi ama-30℃, okuqinisekisa ukuphikiswa okufanayo kwengxenye ngayinye ye-electrode;Ehlangothini lomshini, ukulawulwa kwezinombolo kuyisicefe nobuchwepheshe bokugaya kwamukelwa, obunokunemba okuphezulu kwemishini kanye nokubekezelelana okuqoqiwe kwephimbo kungaphansi kuka-0.02mm, ngakho ukumelana nokuxhumeka kuphansi futhi okwamanje kungadlula ngokulinganayo.
(2) Imodi yokuphatha ikhwalithi ethuthukisiwe: onjiniyela bokulawula ikhwalithi benkampani yethu balawula zonke izixhumanisi ngokulawulwa kwekhwalithi engama-32 kanye namaphoyinti okumisa;Ukulawula nokuphatha amarekhodi ekhwalithi, ukunikeza ubufakazi bokuthi ikhwalithi yomkhiqizo ihlangabezana nezidingo ezishiwo futhi uhlelo lwekhwalithi lusebenza ngempumelelo, futhi lunikeze isisekelo sokuqala sokuqaphela ukulandeleka nokuthatha izinyathelo zokulungisa noma zokuvimbela;Sebenzisa uhlelo lwezinombolo zomkhiqizo, futhi yonke inqubo yokuhlola inamarekhodi ekhwalithi, njengamarekhodi okuhlolwa kwezinto ezingavuthiwe, amarekhodi okuhlolwa kwenqubo, amarekhodi okuhlolwa komkhiqizo, imibiko yokuhlolwa komkhiqizo, njll., ukuze kuqinisekiswe ukulandeleka kwayo yonke inqubo yokukhiqizwa kwemikhiqizo.
Ekuthuthukisweni kwesikhathi esizayo, sizohlala sibambelela kunqubomgomo “yokuthembela kusayensi nobuchwepheshe nokuphatha, ngokuqhubekayo sithuthukisa futhi sihlangabezane nezidingo zabasebenzisi nokwandisa ukuncintisana kwebhizinisi”, futhi sithobela injongo yebhizinisi “yokuba nesithunzi kuqala nokudala inani lamakhasimende” .Ngaphansi kobuholi bezinhlangano zezohwebo kanye nokwesekwa okuqinile kontanga namakhasimende, sizoqhubeka nokwenza izinto ezintsha zobuchwepheshe futhi sithuthukise imikhiqizo emisha ukuhlangabezana nezidingo zamakhasimende futhi sidale inani elikhulu kumakhasimende.
Isikhathi sokuthumela: Jan-25-2021