Kwiminyaka yakutshanje, kunye nenkqubela phambili yoluntu kunye nophuhliso lwesayensi kunye nobuchwepheshe, ngokukodwa ukuhlanganiswa kweenkomfa zemozulu zaseCopenhagen naseCancun, iingcamango zamandla aluhlaza kunye nophuhliso oluzinzileyo ziye zanda kakhulu.Njengoshishino olusakhulayo olucwangcisiweyo, ukuphuhliswa kwezinto ezintsha kunye namandla amatsha kuya kuba yindawo entsha yokukhula koqoqosho kwixesha elizayo, eliya kuthi ngokuqinisekileyo lizise uphuhliso olukhawulezayo lweshishini le-silicon kunye ne-photovoltaic industry.
Okokuqala, ishishini lesilicon elikhula ngokukhawuleza eTshayina
Ngokweenkcukacha-manani zeSilicon Branch yeChina Nonferrous Metals Industry Association, amandla emveliso yesilicon yemizi mveliso anyuke ukusuka kwi-1.7 yezigidi zeetoni/ngonyaka ngo-2006 ukuya kwi-2.75 yezigidi zeetoni/ngonyaka ngo-2010, kwaye imveliso inyuke ukusuka kwi-800,000 ukuya kwi-1.15 yezigidi zeetoni kwangeli xesha linye, nezinga lokukhula komndilili ngonyaka we-12.8% kunye ne-9.5% ngokulandelelanayo.Ngokukodwa emva kobunzima bezemali, kunye nenani elikhulu leeprojekthi zesilicone kunye ne-polysilicon ezibekwe kwimveliso kunye nokunyuka kweshishini leemoto, imfuno yentengiso ye-silicon yasekhaya yonyuka kakhulu, ethe yavuselela umdla wotyalo-mali lwabucala kwishishini le-silicon, kunye nemveliso yayo. umthamo wemveliso ubonise ukukhula ngokukhawuleza kwixesha elifutshane.
Ekupheleni kuka-2010, umthamo wemveliso yesilicon ephantsi kolwakhiwo kwiindawo ezinkulu e-China ufikelele kwi-1.24 yezigidi zeetoni ngonyaka, kwaye kuqikelelwa ukuba amandla okuvelisa i-silicon esanda kwakhiwa e-China kulindeleke ukuba afikelele malunga ne-2-2.5 yezigidi zeetoni. /unyaka phakathi kuka-2011 kunye no-2015.
Kwangaxeshanye, urhulumente ukhuthaza ngenkuthalo iziko lombane le-silicon enkulu kunye nelikhulu.Ngokomgaqo-nkqubo wezoshishino, inani elikhulu le-6300KVA i-furnaces encinci yombane iya kupheliswa ngokupheleleyo ngaphambi kwe-2014. Kuqikelelwa ukuba amandla okuvelisa amashishini amancinci e-silicon e-China aya kupheliswa yi-1-1.2 yezigidi zeetoni minyaka yonke ngaphambi kwe-2015. kwangeli xesha linye, ngoku, iiprojekthi ezisandula ukwakhiwa ziqonda ubungakanani bemizi-mveliso kunye nezixhobo ezinkulu ngenxa yeenzuzo eziphucukileyo zobuchwepheshe, zibambe ngokukhawuleza imarike ngoncedo lwazo kwizibonelelo okanye kulungiselelo, kwaye zikhawulezise ukupheliswa komthamo wemveliso obuya ngasemva.
Ngoko ke, kuqikelelwa ukuba amandla okuvelisa i-silicon yesinyithi aya kufikelela kwi-4 yezigidi zeetoni / ngonyaka kwi-2015, kunye nemveliso ye-silicon yoshishino iya kufikelela kwi-1.6 yezigidi zeetoni ngexesha elifanayo.
Ngokwembono yophuhliso loshishino lwe-silicon yehlabathi, ishishini le-silicon yesinyithi kumazwe aphuhlileyo entshona liya kuhamba ngokuthe ngcembe liye kumazwe asaphuhlayo kwixesha elizayo, kwaye imveliso iya kungena kwinqanaba lokukhula ngesantya esisezantsi, kodwa imfuno iya kuhlala ikhula ngokuzinzileyo. ngakumbi kwimfuno ye-silicone kunye ne-polysilicon kumashishini.Ngoko ke, amazwe asentshona abophekile ukwandisa ukungenisa kwe-silicon yensimbi.Ngokwembono yonikezelo lwehlabathi kunye nokulingana kwemfuno, ngo-2015, umsantsa phakathi konikezelo kunye nemfuno ye-silicon yesinyithi kumazwe aphuhlileyo anjenge-United States, iNtshona Yurophu, iJapan kunye noMzantsi Korea iya kufikelela kwiitoni ezingama-900,000, ngelixa iChina iza kuthumela iitoni ezingama-750,000 ukuhlangabezana neemfuno zayo, ngelixa amanye amazwe asakhasayo eza kubonelela ngokuseleyo.Kakade ke, kwixesha elizayo, urhulumente waseTshayina ubopheleleke ekuqiniseni ngakumbi ulawulo lwesiqinisekiso samashishini, kwaye unokunyusa ngakumbi imirhumo yokuthumela ngaphandle, nto leyo eya kudala iimeko ezifanelekileyo kumashishini amakhulu ukuthumela ngaphandle kwesilicon yesinyithi.
Kwangaxeshanye, kwinkqubo yophuhliso olukhawulezayo lweshishini lesizwe le-polysilicon, ishishini le-polysilicon yaseTshayina liye laqonda ngokusisiseko ubungakanani boshishino lwepolysilicon ngokuzisa itekhnoloji ephucukileyo yangaphandle, ukudibanisa ukugaya kunye nokufunxa kunye nokutsha okuzimeleyo, kunye nomthamo wemveliso kunye nemveliso. anda ngokukhawuleza.Ngenkxaso yemigaqo-nkqubo yesizwe, amashishini asekhaya abambe ngokusisiseko itekhnoloji ephambili yemveliso yepolysilicon ngokuthembela ekuzihlaziyeni okuzimeleyo kunye nokuvuselelwa ngokutsha kobuchwephesha obuvela kumazwe angaphandle, ukwaphula imonopoly kunye nokuvalwa kwetekhnoloji yemveliso yepolysilicon kumazwe aphuhlileyo.Ngokophando kunye neenkcukacha-manani ezifanelekileyo, ekupheleni kwe-2010, kukho iiprojekthi ze-polysilicon ze-87 ezakhiwe kwaye zakhiwa e-China.Phakathi kwamashishini angama-41 akhiweyo, i-3 yeendlela ze-silane kunye nomthamo wokuvelisa iitoni ezingama-5,300, i-10 ziindlela eziphathekayo ezinomthamo wokuvelisa iitoni ze-12,200, kunye ne-28 ziphuculwe iindlela ze-Siemens ezinomthamo wokuvelisa iitoni ezingama-70,210.Isikali esipheleleyo seeprojekthi ezakhiweyo ziziitoni ezingama-87,710;Kwezinye iiprojekthi ze-47 ezisakhiwayo, umthamo wokuvelisa we-Siemens waphuculwa ngeetoni ezingama-85,250, indlela ye-silane ngeetoni ezingama-6,000 kunye nesinyithi somzimba kunye nezinye iindlela ngeetoni ezingama-22,200.Iiprojekthi ezisakhiwayo zizonke ziitoni ezili-113,550.
Okwesibini, imfuno kunye neemfuno ezintsha zeemveliso zekhabhoni kuphuhliso lweshishini le-silicon okwangoku
IsiCwangciso se-12 seMinyaka emiHlanu saseTshayina sibeka phambili amandla amatsha kunye nemathiriyeli emitsha njengamashishini asakhasayo anobuchule.Ngophuhliso olukhawulezayo lweshishini elitsha lamandla, imfuno yabathengi ye-silicon yentsimbi yodidi oluphezulu iyanda, efuna izinyibilikisi ze-silicon yesinyithi ukuze kunyuswe imathiriyeli ekrwada kunye nenkqubo yokuvelisa i-silicon yesinyithi ekumgangatho ophezulu enezinto ezisezantsi eziyingozi.
Izinto zekhabhoni ezisebenza kakhulu zisisiseko soshishino kuphuhliso lweshishini le-silicon, kwaye ziyahlalisana kwaye ziphumelele kunye.Ngenxa yokuba izinto zekhabhoni zinoxinano oluhle, ukuqina kunye namandla acinezelayo, kwaye zinezibonelelo zokuxhathisa ubushushu obuphezulu, ukumelana noxinzelelo oluphezulu, ukumelana nokugqwala, ukuguquguquka okuhle kunye nokusebenza okuzinzileyo, kwinkqubo yokwenziwa kwe-silicon wafers, izinto zekhabhoni zinokwenziwa kwindawo yokufudumeza. isikhongozeli (i-composite graphite crucible) yelitye le-silicon, kwaye ingasetyenziswa njengentsimi eshushu yokucoca i-polysilicon, ukuzoba iintonga ze-crystal silicon enye kunye nokwenza i-polysilicon ingots.Ngenxa yokusebenza okugqwesileyo kwezixhobo zekhabhoni, azikho ezinye izinto ezinokuthatha indawo yayo.
Kuhlobo olutsha lophuhliso, iHebei Hexi Carbon Co., Ltd. uye waqonda ukuphuculwa kobume bemveliso ngokuzingisa kwinguqulelo ezimeleyo ukuze ngokuqhubekayo udale ixabiso kubathengi kwaye uzalisekise isithembiso "sokubonelela ngezinto ezintsha kushishino lwamandla amatsha", kwaye isicwangciso sayo sigxile kumandla amatsha kunye nezinto ezintsha.
Ngo-2020, amagcisa enkampani yethu aphuhlise ngempumelelo i-φ1272mm graphite electrode kunye ne-φ1320mm i-carbon electrode ekhethekileyo ye-silicon ecocekileyo ngokudibanisa, ukukhetha ifomula kunye nenkqubo yokulungelelanisa amaxesha amaninzi.Uphando oluyimpumelelo kunye nophuhliso lwale mveliso luzalisa isithuba se-electrode yasekhaya yobungakanani obukhulu, ifikelela kwinqanaba eliphezulu lamazwe ngamazwe, kwaye yamkelwa ngabathengi.Lukhetho olufanelekileyo kubathengi ukuba banyibilikise i-silicon yentsimbi ecocekileyo.Kwiminyaka embalwa ezayo, kunye nokuphunyezwa ngakumbi kokugcinwa kwamandla elizwe kunye nomsebenzi wokukhusela indalo, izitofu ezincinci ze-silicon ezinokusetyenziswa kwamandla aphezulu ekugqibeleni ziya kupheliswa.Ukusetyenziswa kwee-electrode ezinkulu zegraphite kunye ne-silicon-dedicated carbon electrode iya kuba yeyona ndlela iphambili yokunyibilikiswa kwesithando somlilo se-silicon.Olu hlobo lwe-electrode luneempawu ezintathu;(1) ukuxinana okuphezulu, ukuchasana okuphantsi kunye namandla aphezulu omatshini;(2) Izinga lokwandiswa kwe-thermal ephantsi kunye nokumelana nokutshatyalaliswa kwe-thermal;(3) I-iron, i-aluminiyam, i-calcium, i-phosphorus, i-boron kunye ne-titanium iphantsi kwizinto ezilandelwayo, kwaye i-silicon ye-metallic ephezulu inokunyibilika.
Ukuze sihlangabezane neemfuno zabathengi kunye nolindelo, sithembele kumava emveliso atyebileyo kunye namandla obugcisa anamandla, siseka inkqubo yolawulo yomgangatho we-ISO9001 egqibeleleyo, siphumeze ulawulo lwe-“7S” kunye neendlela zolawulo “ze-6σ”, kwaye sibonelela abathengi ngeemveliso ezikumgangatho ophezulu phantsi isiqinisekiso sezixhobo eziphambili kunye nemo yokulawula umgangatho:
(1) Izixhobo eziphucukileyo zisisiqinisekiso somgangatho wokukwazi: Inkampani yethu inobuchwepheshe obuphezulu bokuxova obuphuma eJamani, enenkqubo eyodwa kwaye iqinisekisa ngokufanelekileyo umgangatho wokuncamathisela, ngaloo ndlela iqinisekisa umgangatho wokwenziwa kwee-electrode.Kwinkqubo yokubumba, umatshini wokubumba we-vacuum weendlela ezimbini ze-hydraulic vibration wamkelwa, kwaye ukuguqulwa kwayo kwamaxesha amaninzi kunye neteknoloji ye-vibration yoxinzelelo yenza umgangatho wemveliso uzinzile kunye nokulingana komthamo we-electrode okulungileyo ngokusasazwa ngokufanelekileyo kwexesha lokungcangcazela;Ukutshisa, ukuhambelana kwesixhobo sokutshisa kunye nenkqubo yokulawula ngokuzenzekelayo kuqhutyelwa kwindandatho yomlilo yokutshisa.Inkqubo ye-CC2000FS inokufudumala kwaye ibhaka i-electrode kwiibhokisi eziphathekayo ngaphakathi kweqondo lokushisa kunye noluhlu olubi loxinzelelo lwebhokisi nganye yezinto kunye nomjelo womlilo kwindawo yokufudumala kunye nendawo yokubhaka.Umahluko weqondo lokushisa phakathi kwamagumbi aphezulu kunye nangaphantsi kwesithando somlilo awudluli i-30 ℃, eqinisekisa ukuphikiswa okufanayo kwenxalenye nganye ye-electrode;Kwicala le-machining, ulawulo lwamanani olukruqulayo kunye neteknoloji yokugaya yamkelwa, enobuchwephesha obuphezulu bokuchaneka kunye nokunyamezelana okuqokelelweyo kwe-pitch kungaphantsi kwe-0.02mm, ngoko ukuxhathisa ukudibanisa kuphantsi kwaye okwangoku kunokudlula ngokulinganayo.
(2) Imowudi yokulawula umgangatho ophezulu: iinjineli zokulawula umgangatho wenkampani yethu zilawula zonke izixhumanisi ngokuhambelana nokulawulwa kwekhwalithi ye-32 kunye namanqaku okuyeka;Ukulawula nokulawula iirekhodi ezisemgangathweni, ukunika ubungqina bokuba umgangatho wemveliso uhlangabezana neemfuno ezichaziweyo kwaye inkqubo yomgangatho isebenza ngokufanelekileyo, kwaye ibonelele ngesiseko sokuqala sokuqonda ukulandeleka kunye nokuthatha amanyathelo okulungisa okanye okuthintela;Ukuphumeza inkqubo yeenombolo zemveliso, kwaye yonke inkqubo yokuhlola ineerekhodi ezisemgangathweni, ezifana neerekhodi zokuhlola izinto ezikrwada, iirekhodi zokuhlola inkqubo, iirekhodi zokuhlola imveliso, iingxelo zokuhlolwa kwemveliso, njl. njl., Ukuqinisekisa ukulandeleka kwayo yonke inkqubo yemveliso yeemveliso.
Kuphuhliso lwexesha elizayo, siya kuhlala sibambelela kumgaqo-nkqubo "wokuthembela kwisayensi kunye nobuchwepheshe kunye nolawulo, ukuphuhlisa ngokuqhubekayo kunye nokuhlangabezana neemfuno zabasebenzisi kunye nokwandisa ukukhuphisana kweshishini", kwaye sibambelele kwinjongo yeshishini "yodumo lokuqala kunye nokudala ixabiso kubathengi" .Ngaphantsi kobunkokheli bemibutho yorhwebo kunye nenkxaso eyomeleleyo yoontanga kunye nabathengi, siya kuqhubeka nokwenza izinto ezintsha zobuchwepheshe kunye nokuphuhlisa iimveliso ezintsha ukuhlangabezana neemfuno zabathengi kunye nokudala ixabiso elikhulu kubathengi.
Ixesha lokuposa: Jan-25-2021