I-arc kagesi inqubo yokuncibilika kwesithando somlilo

1. Uhlobo lwesilinganiso sokuncibilikisa izinto ezingavuthiwe

Izinto zokusetshenziswa zesithando somlilo se-arc kagesi zingaba insimbi encibilikisiwe yesithando somlilo, i-iron slag, i-iron separation magnetic, insimbi ye-slag, isihlabathi sokuwasha insimbi, insimbi yensimbi, insimbi yengulube, njll. Inhloso enkulu yokuncibilikisa ukugaya izinto isithando somlilo esincibilikisa induction asikwazi ukucubungula. Izinga lamaziko ahlukahlukene lihle noma libi. Kuthinta ngokuqondile umjikelezo wokuncibilikisa, izindleko zokuncibilikisa, kanye nesivuno sensimbi encibilikisiwe. Ngakho-ke, kunezidingo ezilandelayo eziyisisekelo kakhulu zezinto ezihlukahlukene zokushaja:

(1) Ukwakheka kwamakhemikhali ezinto ezihlukahlukene zokushaja kufanele kucace futhi kuzinzile.

(2) Zonke izinhlobo zezinto zokushisa umlilo akufanele zihlanganiswe neziqukathi ezivaliwe, izinto ezivuthayo, eziqhumayo nezimanzi ukuze kuqinisekiswe ukuphepha kokuphakelayo nokuncibilika.

(3) Zonke izinhlobo zenkokhelo kufanele zihlanzeke, zingabi nokugqwala, futhi zingabi namfucumfucu, ngaphandle kwalokho kuzonciphisa ukuqhutshwa kwenkokhiso, kunwebe isikhathi sokuncibilika, noma kuphule i-electrode. Ngakho-ke, kunesixhumanisi esibucayi kakhulu ekulinganisweni nasekungezeni kwezinto zokwakha.

(4) Ngokuphathelene nobukhulu obuphelele bensimbi ehlukene ye-scrap kanye ne-slag, indawo ye-cross-sectional akufanele idlule u-280cm * 280cm. Kuzothinta isikhathi sokudla kanye nobunzima bokudla. Izinsalela ezinkulu ezingajwayelekile nezicishe zibe yindilinga zizobhidlika kalula futhi ziphuke ngesikhathi sokuncibilika. i-electrode.

(5) Ukuhlanganisa kuyingxenye ebalulekile ebalulekile yokuncibilikisa isithando somlilo se-arc. Ukuthi i-batching inengqondo ngokwanele ukuthi opharetha angakwazi ukwenza umsebenzi wokuncibilikisa ngokujwayelekile ngokuhambisana nezidingo zenqubo. Izithako ezinengqondo zinganciphisa isikhathi sokuncibilikisa. Naka izithako: Okokuqala, ubukhulu benkokhelo kufanele bufaniswe ngokulingana ukuze kuzuzwe inhloso yokufaka okuhle nokusheshisa. Okwesibili, zonke izinhlobo zokushaja zisetshenziswa ngokuhlanganiswa ngokuya ngezidingo zekhwalithi yensimbi encibilikisiwe kanye nendlela yokuncibilikisa. Okwesithathu ukuthi izithako kumele zihlangabezane nezidingo zenqubo.

(6) Mayelana nezidingo zempahla ehambisana nesithando somlilo wekholomu: indawo engezansi iminyene, ingaphezulu ixega, ephakathi iphakeme, indawo ezungezile iphansi, futhi akukho bhulokhi elikhulu emnyango wesithando somlilo, ukuze umthombo kungangenwa ngokushesha ngesikhathi sokuncibilikiswa futhi awekho amabhuloho akhiwe.

2. Isikhathi sokuncibilika

Enqubweni yokuncibilikisa isithando somlilo se-arc kagesi, isikhathi kusukela ekuqaleni kukagesi kuze kube yilapho ukushajwa kuncibilika ngokuphelele kubizwa ngokuthi isikhathi sokuncibilika. Isikhathi sokuncibilika sihlanganisa u-3/4 wayo yonke inqubo yokuncibilika. Umsebenzi wenkathi yokuncibilika ukuncibilika ngokushesha futhi ushise ishaja ngokusetshenziswa kwamandla okuncane kakhulu kuyilapho uqinisekisa ukuphila kwesithando somlilo. Futhi khetha i-slag ngesikhathi sokuncibilika ukuze uzinzise umphumela omuhle we-arc ongaphansi kwamanzi wesithando somlilo se-arc kagesi, okungenye yezimo ezidingekayo zokuthuthukisa impilo yesevisi yesithando somlilo. Kungenye yezimo ezidingekayo zokwandisa impilo yesevisi yesithando somlilo. Ngenxa yokuthi insimbi yokuqala encibilikisiwe inyibilikiswa esithandweni sikagesi se-arc, isendaweni encibilikayo ene-alkali. Ngisho noma kungekho umcako owengeziwe ngesikhathi sokuncibilika, umphumela wokwakheka kwe-foam slag esithandweni ungcono, futhi i-slag nayo i-alkaline kancane (i-electric arc furnace refractories). Izici nazo ziyi-alkaline). Ngakho-ke, i-slagging ngaphandle kwe-lime inomphumela omncane empilweni yesevisi yesithando somlilo. Ngesikhathi sokuncibilika, isithando somlilo se-arc sisebenzisa izinto zokufaka i-arcing njengento eyinhloko, futhi umoya-mpilo usetshenziswa njengesisizi sokuthuthukisa izinto endaweni ebandayo ezungeze udonga lwesithando somlilo ukuze kufinyezwe isikhathi sokuncibilika.

3. Isikhathi sokubuyisela

Isikhathi kusukela ekupheleni kokuncibilika kuya ekuthepheni isikhathi sokunciphisa. Ngesikhathi sokunciphisa, engeza inani elifanele le-silicon carbide (impahla eluhlaza engu-4% -5%) ukuze uyeke ukufutheka umoya-mpilo, futhi umnyango wesithando uyavalwa, ukuze kwakheka umoya omuhle wokunciphisa esithandweni ngokusebenzisa i-voltage ephansi kanye namandla aphezulu. . Ukugqugquzelwa kwe-arc ende kwakhiwa ukuze kukhishwe i-deoxidize futhi kunciphise ama-oxides ku-slag ebusweni ukuze kwandiswe isivuno se-alloy. Ngokuvamile, isikhathi sokunciphisa silawulwa phakathi kwemizuzu engu-10-15, futhi ekugcineni izinga lokushisa elidingekayo lilawulwa ukukhulula i-slag, futhi yonke inqubo yokuncibilika iphelile.

4. Izindleko zokuncibilika

Izindleko zokuncibilikisa insimbi engaphekiwe encibilikisiwe ezithandweni zikagesi ze-arc zithinta ngqo izinga lokusebenzisa izithando zomlilo zikagesi. Nakuba ukukhethwa kwezinto ezisetshenziswayo ezifuyweni ze-arc kagesi kubanzi kuneziko lokuncibilika kwe-induction, izindleko zokuncibilikisa insimbi kufanele zihlanganiswe nezindlela ezingabizi kakhulu. Ukuhlaziywa kwentengo yesithando somlilo esincibilikayo sokungeniswa kanye nesithando somlilo se-arc kagesi, nezinto zokusetshenziswa; inqobo nje uma isithando somlilo se-arc sikagesi sifaniswa kahle nesilinganiso sokushaja, izindleko eziphelele zizoba ngaphansi kakhulu kunalezo zesithando somlilo esincibilikisa induction. Ngokwentengo yamanje kagesi eSifundazweni SaseShandong, kulinganiselwa ukuthi ithani ngalinye lensimbi encibilikisiwe lingancishiswa ngo-130 yuan mayelana.

Kuleli thebula elingenhla, kungabonakala ukuthi ukusetshenziswa kwamandla okubanzi kokuncibilikiswa kwe-duplex kungonga ugesi ongu-230Kwh, kufinyelele ku-37% uma kuqhathaniswa nethani lokuncibilika kwesithando somlilo esincibilikayo sensimbi encibilikisiwe. Umphumela oluhlaza okonga amandla wale nqubo uvelele kakhulu.

5. Impilo yesevisi yamalayini

Ngokwezici zokuncibilikisa kwesithando somlilo se-arc kagesi, iminyaka yesithando somlilo ingafinyelela eminyakeni yobudala yomlilo. Ukuhlaziywa okuqondile kungokulandelayo:

(1) Umphumela wokushisa okunezinga eliphezulu lokushisa: ulayini lwesithando somlilo ngokuvamile lusezingeni eliphezulu lokushisa kanye nesimo sokushisa ngaphezu kuka-1600℃, futhi kufanele lumelane nokupholisa okusheshayo nokushisa okuzodala umonakalo omkhulu olayini lwesithando; kuyilapho isithando somlilo se-arc sikagesi sincibilikisa insimbi encibilikisiwe, izinga lokushisa ngokuvamile lilawulwa cishe ku-1500 ℃, ngakho Ukulimala kwezinga lokushisa eliphezulu olwelweni lwesithando ngokuyisisekelo akusho lutho. Ngenxa yokumataniswa okuqhubekayo kwensimbi encibilikisiwe ukuze kwakheke ukuncibilika okuqhubekayo futhi ngesikhathi esifanayo ukufinyelela amadigri angu-1550 we-oxidation efutha izinga lokushisa lomoya ophuma esithandweni, impilo yesevisi yolayini lwesithando somlilo ingathuthukiswa kakhulu.

(2) Umthelela wokuguguleka kokwakheka kwamakhemikhali: Izinqamuli zomlilo we-arc kagesi ziyizinto eziphikisayo ze-alkaline. Isilinganiso sezinto zokusetshenziswa ukuthi insimbi ye-slag ihambisana nenani elikhulu le-alkaline slag, okwenza ukushaja okuphelele kwesithando somlilo kungabi namandla e-alkaline. Ukuguguleka kodonga nakho kuncane. Imvelo yokuncibilika kwe-alkali yisimo esiyisisekelo sokuthuthukisa impilo yesithando somlilo, kodwa i-slag iminyene kakhulu, okuzokwenza endaweni yangakini ibe indawo yokushisa ephezulu, okuzonciphisa impilo yesevisi yomugqa wesithando somlilo.

(3) Imisebe ye-arc ibonakala ngethonya le-foam slag engaphansi kwe-arc ngesikhathi sokuncibilika, okunganciphisa umjikelezo wokuncibilika kwesithando somlilo kagesi. Ngesikhathi esifanayo, umphumela omuhle we-arc ongaphansi kwamanzi unganciphisa imisebe yokushisa olayini lwesithando somlilo, ngaleyo ndlela andise impilo yesithando somlilo.

(4) Ukushayisana kwemishini nokudlidliza nakho kuzothinta impilo yesevisi yesithando somlilo. Izindlela zokuphakela ezinengqondo nazo zizokwandisa impilo yesevisi yesithando somlilo. Ukushaja nokusabalalisa akunangqondo, noma ithangi lempahla liphakanyiswe phezulu kakhulu, futhi umthambeka ongaphansi kwesithando somlilo ungathwala izinto ezinkulu nezisindayo. Ukushayisana, ukudlidliza kanye nomthelela kwenza imigodi, konke okunciphisa ukuphila kolayini lwesithando somlilo. Ukwengeza, ngokusho kodonga lwesithando somlilo we-arc kagesi yindawo eshisayo, ukushaja kungasakaza izinto kulawa maphuzu amathathu, okuzophinde kwandise impilo yesevisi ye-lining yomlilo.

(5) Indlela yokuphefumula komoyampilo izophinde ithinte impilo yesevisi yesithando somlilo. Umoya-mpilo usebenza njengophethiloli osiza nge-arc esithandweni somlilo sikagesi. Ngokuvamile, izinhlangothi ezimbili zodonga lwesithando somlilo kanye nomnyango wesithando somlilo ziyindawo ebandayo, futhi i-electrode isetshenziselwa ukuthumela izinto zamakhemikhali. Izindlela zokuphefumula komoya-mpilo enwetshiwe futhi ezinengqondo zinganciphisa umjikelezo wokuncibilikisa futhi andise ukuphila kwesithando (ngokwezimo ezihlukahlukene zezinto ezibonakalayo, amabhlokhi amakhulu ezinto ezibonakalayo akhethiwe ukuze aphephethwe, futhi ilangabi le-oksijeni alivuthelwanga ngaphansi kwesithando somlilo kanye nodonga lwesithando somlilo ngangokunokwenzeka. ), futhi ushaye endaweni efanayo Isikhathi se-oxygen akufanele sibe side kakhulu ukugwema izinga lokushisa eliphezulu lendawo eduze nodonga lwesithando somlilo kanye nokuguguleka kodonga lwesithando somlilo.