I-electrode yegraphite ibhekisa kwi-petroleum coke, inaliti ye-coke njengezinto ezikrwada, itela yamalahle yokuncamathelisa, emva kokuba i-calcined, isila esiqhekeziweyo, ukuxuba, ukuxova, ukubumba, ukubala, ukumiliselwa, igraphite kunye nokulungiswa koomatshini kwaye yenziwe ngohlobo lokumelana nobushushu obuphezulu bezinto eziphathwayo zegraphite, ezibizwa ngokuba yi-artideartide electrographide yahlula kwi-graphite yendalo njengokulungiswa kwezinto ezikrwada ze-electrode ye-graphite yendalo. Ngokwesalathiso somgangatho wayo, inokwahlulwa ibe yi-electrode yamandla egraphite, amandla aphezulu egraphite electrode kunye ne-ultra-high power graphite electrode.
I-electrode ephezulu ye-graphite ye-electrode yenziwe nge-petroleum coke ephezulu (okanye i-coke ye-coke ye-grade low), ngamanye amaxesha umzimba we-electrode kufuneka ufakwe emzimbeni, iimpawu zayo zomzimba kunye noomatshini ziphezulu kunamandla aqhelekileyo e-graphite electrode, njenge-resistiveivity ephantsi, evumela ukuxinana okukhulu ngoku.
I-electrode ye-graphite yamandla aphezulu ivumela ukusetyenziswa koxinano lwangoku lwe-18 ~ 25A / cm2 i-electrode ye-graphite, esetyenziswa kakhulu kwi-high power arc furnace steel making.
Ukwenziwa kwentsimbi yesithando sombane ngoyena msebenzisi uphambili weeelectrode zegraphite. Imveliso yentsimbi ye-eAF eTshayina yenza malunga ne-18% yemveliso yentsimbi ekrwada, kunye ne-electrode yegraphite esetyenziswa ekwenzeni intsimbi ithatha i-70% ~ 80% yesixa-mali sisonke se-electrode yegraphite. I-steelmaking yesithando sombane kukusetyenziswa kwe-electrode yegraphite kwiziko langoku, ukusetyenziswa kombane ogqithisileyo kunye nentlawulo phakathi kwe-arc eveliswa ngumthombo wobushushu obuphezulu ukunyibilikisa.
-I-arc i-furnace isetyenziselwa ukuveliswa kwe-phosphorus ye-industrial ye-industrial kunye ne-silicon, njl. njl., uphawu lwalo luyinxalenye ephantsi ye-electrode edibeneyo engcwatyelwe kwintlawulo yesithando somlilo, i-arc eyenziwe ngaphakathi komgangatho wezinto eziphathekayo, kwaye isebenzise i-furnace intlawulo ngokwayo ukusuka ekuchaseni amandla obushushu ukufudumeza intlawulo yomlilo, enye yoxinzelelo oluphezulu lwangoku olufunekayo -i-arc igrafu yokusetyenziswa kwe-silicon yokuvelisa i-silicon yokuvelisa. I-electrode yegraphite imalunga ne-100 kg, Malunga ne-40kg ye-electrode yegraphite efunekayo ukuvelisa i-1t emthubi ye-phosphorus.
Iziko legraphitization lokuvelisa iimveliso zegraphite, iziko lokunyibilika lokunyibilikisa iglasi kunye neziko lombane lokuvelisa i-silicon carbide yeyeziko lokumelana. Izinto eziphathekayo kwisithando somlilo zimbini ukuchasana nokufudumala kunye nento yokufudumala. Ngokuqhelekileyo, i-electrode ye-graphite conductive ifakwe eludongeni lwesithando somlilo ekupheleni kwesithando somlilo, kwaye i-electrode yegraphite isetyenziselwa ukusetyenziswa kokuyeka apha.
I-electrode yegraphite engenanto ikwasetyenziselwa ukucubungula i-crucible eyahlukeneyo, isikhunta, isikhephe kunye nomzimba wokufudumeza kunye nezinye iimveliso ezikhethekileyo zegraphite. Ngokomzekelo, kwimboni yeglasi ye-quartz, i-10T ye-graphite electrode billet iyadingeka kwi-1T nganye yokuvelisa i-tube fuse yombane; I-100kg ye-graphite electrode billet iyafuneka ukuvelisa isitena se-quartz eyi-1t.
Ukususela ekuqaleni kwekota yesine ye-2016, kunye nokukhuthazwa kwemigaqo-nkqubo yokuhlaziywa kwe-supply-side-side reform kwi-iron kunye ne-industry yensimbi, ukuchithwa kwentsimbi yomgangatho ngokukhawuleza kube yinto ephambili ekupheliseni amandla okuvelisa umva. NgoJanuwari 10, 2017, i-vice-Director of the National Development and Reform Commission yathi kwi-2017 Council Council ye-CISA ukuba yonke imivalo yomgangatho kufuneka isuswe ngaphambi koJuni 30, 2017. Ngo-2017, amandla aseChina e-eAF steel ayemalunga ne-120 yezigidi zeetoni, apho i-86.6 yezigidi zeetoni yayiphuma kwimveliso ye-5.6 kwimveliso kunye ne-1 yezigidi. Ukusukela ekupheleni kuka-Okthobha ka-2017, umthamo wemveliso we-eAF wawumalunga ne-26.5 yezigidi zeetoni, apho malunga ne-30% yaphinda yaqalwa. Ukuchaphazeleka kukuncitshiswa komthamo wesithando somlilo esiphakathi, intsimbi yombane yombane iqalwa ngokusebenzayo, kwaye inzuzo yezoqoqosho yentsimbi yombane ivelele. Isithando somlilo sombane sinesidingo esihle samandla aphezulu kunye ne-electrode ephezulu yegraphite yamandla, kunye nomdla wokuthenga okuphezulu.
Ngo-2017, ixabiso lasekhaya le-graphite electrode lenyuka, kwaye imfuno yaphesheya yenyuka. Iimarike zasekhaya neziphesheya zibuyele empumelelweni. E-China, ngenxa yokucocwa "kwentsimbi ephantsi", ukwanda kombane we-arc yesithando sombane, umda wemveliso yokukhusela indalo yamashishini ekhabhoni kunye nezinye izinto, ixabiso le-electrode ye-graphite yasekhaya lenyuka ngo-2017, ebonisa ukuba imarike ye-graphite electrode yasekhaya inqabile. Ngaxeshanye, ukukhula kwe-electrode yaseTshayina kubonisa ukuba imfuno ye-electrode yegraphite yaphesheya yolwandle inamandla. Asekhaya kunye naphesheya kweelwandle abonise imfuno eqinileyo yee-electrode zegraphite, ishishini lisakwimeko yokubonelela.
Ke ngoko, umtsalane wotyalo-mali weshishini lamandla aphezulu egraphite electrode usenamandla.
Ngophuhliso loshishino lwentsimbi kunye nentsimbi yehlabathi, i-oven arc furnace ngokuthe ngcembe ukuya kumandla amakhulu, amandla aphezulu kunye nolawulo oluzenzekelayo lwekhompyuter kunye neminye imiba yophuhliso, ukusetyenziswa kombane we-arc ombane ophezulu kuyanda, ukukhuthaza ukusetyenziswa kwamandla aphezulu egraphite electrode.
Xa kuthelekiswa ne-United States, iYurophu, iJapan kunye namanye amazwe aphuhlileyo kunye nemimandla, ishishini laseTshayina lamandla aphezulu egraphite electrode laqala kade, ikakhulu lixhomekeke ekuthengisweni kwelizwe kwasekuqaleni, ukuveliswa kwamandla aphezulu egraphite electrode kude nemfuno. Iqhutywa luphuhliso loshishino lwentsimbi kunye nentsimbi kunye nenkqubela phambili yezobuchwepheshe, i-China iye ngokuthe ngcembe yaphula i-monopoly yetekhnoloji yamazwe angaphandle, kwaye amandla emveliso ye-electrode ephezulu yegraphite iye yanyuka, kwaye umgangatho wemveliso nawo uphuculwe ngokukhawuleza. Okwangoku, i-electrode ephezulu ye-graphite eveliswe e-China iye yafumana iziphumo ezilungileyo kwi-arc enkulu yombane yombane, kwaye zonke izalathisi zokusebenza zemveliso zinokufikelela kwinqanaba elihamba phambili lamazwe ngamazwe. Iimveliso ze-electrode ze-electrode zaseTshayina azinikezeli kuphela imarike yasekhaya, kodwa kunye nenani elikhulu lokuthumela kumazwe angaphandle kumazwe angaphandle, imfuno yeemveliso ezithunyelwa ngaphandle incinci.
Uphuhliso lwe-steelmaking yesithando somlilo ukuya kumandla aphezulu yindlela ebalulekileyo yokuphuhliswa kombane wokwenza intsimbi yombane. Kwixesha elizayo, imveliso yamandla aphezulu e-steelmaking yombane iya kunyuka, kwaye imfuno yayo yamandla aphezulu e-graphite electrode nayo iya kwanda, ukukhuthaza ukuveliswa kwamandla aphezulu e-graphite electrode e-China. Amashishini asekhaya anamandla aphezulu egraphite electrode anokwandisa ikhonkco lemizi-mveliso, enze uphando kunye nophuhliso lwemathiriyeli ekrwada, kwaye akhe izixhobo zokuvelisa, ezinokunciphisa ngempumelelo iindleko zeshishini kunye nokuphucula inzuzo yokusebenza kweshishini.
Ixesha lokuposa: May-31-2022