Cov roj av coke uas muaj graphitized purity siab yog ua los ntawm cov roj av coke zoo nyob rau hauv qhov kub ntawm 2,500-3,500 ° C. Ua cov khoom siv carbon purity siab, nws muaj cov yam ntxwv ntawm cov pa roj carbon ruaj khov siab, cov sulfur tsawg, cov tshauv tsawg, cov porosity tsawg thiab lwm yam. Nws tuaj yeem siv ua cov pa roj carbon (Recarburizer) los tsim cov hlau zoo, cov hlau cam khwb cia thiab cov hlau sib xyaw. Nws kuj tseem siv tau rau hauv yas thiab roj hmab ua cov khoom ntxiv.
Semi Coke yog ua los ntawm cov thee anthracite zoo, nyob rau hauv qhov kub siab (1300 ℃) cov txheej txheem, uas yog siv dav rau calcium carbide, ferroalloys tsim khoom lossis cov hlau tsis yog ferrous smelting, tsim khoom lossis lwm yam kev lag luam metallurgical, vim nws cov yam ntxwv tshwj xeeb ntawm lub cev thiab tshuaj: cov ntsiab lus carbon ruaj khov siab, cov sulfur tsawg thiab cov ntsiab lus phosphorus tsawg.
Piv rau ob yam khoom ntawd, cov ntsiab lus sulfur rau Semi GPC yog li 0.1-0.3%, cov ntsiab lus sulfur GPC yog 0.03-0.05%, cov ntsiab lus N rau Semi GPc yog 500ppm, thiab rau GPC N cov ntsiab lus yog 300ppm, tab sis lawv ob leeg tuaj yeem siv rau kev ua hlau ua recarburizer thiab tus nqi rau Semi GPC qis dua. Yog tias koj xav paub txog ob qho khoom thov mus saib qhov chaw nyob hauv qab no:
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Lub sijhawm tshaj tawm: Lub Peb Hlis-02-2021