Graphitized Petroleum Coke rau Cam khwb cia hlau

Graphitized Petroleum Coke rau Cast Steel yog cov khoom lag luam zoo roj av coke, tsim los ntawm cov txheej txheem graphitization tshwj xeeb. Cov khoom siv raw yog cov roj av zoo coke. Advanced graphitization thev naus laus zis yog ua haujlwm los ua kom sov cov khoom siv rau lub sijhawm ntev nyob rau hauv qhov kub thiab txias (feem ntau tshaj 3000 degree) los hloov cov qauv qub amorphous carbon crystal rau hauv cov qauv hexagonal txheej. Qhov kev txiav txim siab hexagonal txheej txheej yog qhov tshwm sim ntawm cov txheej txheem graphitization. Cov txheej txheem no tsis tsuas yog nce cov ntsiab lus ntawm cov roj av coke, tab sis kuj txo cov ntsiab lus ntawm impurities xws li sulfur, nitrogen, thiab tshauv. Qhov no ua rau graphitized roj av coke rau cam khwb cia hlau yog ib qho kev xaiv zoo tshaj plaws rau cov neeg siv khoom nrhiav cov khoom ua tau zoo.

Cov khoom no muaj cov ntsiab lus carbon siab thiab qib impurity tsawg. Cov ntsiab lus carbon ntawm graphitized petroleum coke rau cam khwb cia hlau yog feem ntau nyob rau hauv ntau tshaj 98.5%, thaum lub concentration ntawm impurities xws li sulfur, nitrogen, thiab tshauv yog tsawg heev. Cov yam ntxwv no ua rau nws zoo tagnrho carburizer, ua kom cov pa roj carbon ntsiab lus hauv castings thaum txo cov kev taw qhia ntawm cov teeb meem impurities.

Nws muaj cov khoom zoo heev absorbency. Graphitized petroleum coke rau cam khwb cia hlau muaj kev ua haujlwm zoo heev hauv cov hlau yaj thiab tuaj yeem yaj sai thiab sib npaug hauv cov hlau molten lossis molten steel, kom ntseeg tau qhov sib xws thiab ruaj khov ntawm cov nyhuv carburization.

Nws kuj tseem muab cov thermal rwb thaiv tsev zoo heev, uas tuaj yeem muab qhov kub thiab txias ib puag ncig rau cov yaj thaum lub sij hawm casting txheej txheem, txo cov cua sov poob thiab txhim kho casting efficiency.
 

Peb muab ntau qhov sib txawv ntawm qhov ntau thiab tsawg kom haum rau koj cov kev xav tau tshwj xeeb. Peb cov khoom tsim los ua kom tau raws li cov kev cai tshwj xeeb ntawm ntau yam txheej txheem casting. Graphitized petroleum coke rau cam khwb cia hlau muaj nyob rau hauv ntau qhov ntau thiab tsawg, suav nrog 0.2-1mm, 1-5mm, 4-7mm, thiab 5-10mm , kom tau raws li cov kev cai tshwj xeeb ntawm cov txheej txheem casting sib txawv rau qhov loj me ntawm carburizer.

Graphitized petroleum coke rau cam khwb cia hlau yog cov khoom siv ntau yam uas tau siv dav hauv kev lag luam casting. Nws lub luag haujlwm tseem ceeb suav nrog:

Lub hom phiaj ntawm lub carburetor yog: Hauv cov txheej txheem casting, graphitized petroleum coke yog siv los ua carburizer, uas tuaj yeem ua kom cov pa roj carbon ntau hauv cov hlau molten lossis cov hlau molten, kho cov tshuaj muaj pes tsawg leeg ntawm cov casting, thiab yog li txhim kho kev ua haujlwm ntawm qhov casting. Tshwj xeeb, cov nyhuv carburization ntawm graphitized roj av coke rau cam khwb cia hlau yog qhov tseem ceeb hauv kev tsim cov roj carbon steel, grey cam khwb cia hlau, thiab lwm yam castings.

Txhim khu qhov zoo ntawm castings: Qhov sib ntxiv ntawm graphitized petroleum coke rau cam khwb cia hlau tuaj yeem txhim kho qhov fluidity ntawm molten hlau, pab txhawb lub ntab thiab tshem tawm cov impurities, txo qhov tsis xws luag xws li suav nrog thiab pores hauv castings, thiab optimize qhov ntom thiab txhua yam khoom ntawm castings. . Tsis tas li ntawd, graphitized petroleum coke rau cam khwb cia hlau tuaj yeem pab txhawb cov graphitization cov tshuaj tiv thaiv, txhim kho cov graphite morphology thiab faib cov castings, thiab txhim kho cov hnav tsis kam thiab corrosion kuj ntawm castings.

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