Peb saib seb cov khoom siv graphitic li cas. Ib qho zoo graphite recarburiser muaj ntau dua 95% graphite carbon. Yog tias qhov ntsuas kub ua haujlwm siab tshaj 2700 degrees, cov ntsiab lus sulfur yog 0.02-0.05%, cov ntsiab lus nitrogen yog 100-200ppm, thiab tus nqi yog { {6}} yuan ib ton. Ib qho graphite recarburiser nrog qhov kub thiab txias ntawm 2000-2700 degrees tseem hu ua semi-graphitised recarburiser. Nws muaj 0.1-0.5% sulfur, 300-800ppm nitrogen, thiab nqi 3000-4000 yuan.
Qhov zoo ntawm graphite recarburizer rau casting yog ib qho tseem ceeb rau melting grey hlau nyob rau hauv lub cub hluav taws xob. Ntau lub chaw tsim khoom siv pheej yig graphite recarburizer rau casting, tab sis qee zaum pom cov teeb meem zoo nrog qhov tsis xws luag. Pore tsis xws luag yog pom tseeb nyob rau hauv high-zoo grey cam khwb cia hlau nrog tsawg carbon thiab silicon cov ntsiab lus.
Ductile hlau castings muaj me ntsis porosity. Magnesium thiab tsawg earths yuav tsum txo porosity, tab sis nws tseem tshwm sim. Qib qis graphite recarburizer cuam tshuam rau cov hlau nplaum los ntawm kev ua rau cov sulfur thiab lwm yam impurities cuam tshuam rau cov duab ntawm cov pob graphite thiab cov tsos ntawm matrix. Cov nroj tsuag no siv cov qib qis graphite recarburiser rau casting vim nws pheej yig dua. Qhov no yog unprofitable.
Txoj hauv kev tseem ceeb los txiav txim rau graphitised recarburiser yog los ntawm cov ntsiab lus nitrogen. Zoo thiab phem graphitisation txawv. Qhov kub thiab lub sij hawm ntawm calcination cuam tshuam li cas graphitised cov khoom yog. Lub tshuab tsis tiav graphitized carburizing muaj cov ntsiab lus sulfur thiab nitrogen. Nws yog qee zaum hu ua semi-graphitized recarburizer. Nws raug nqi tsawg dua li cov graphite recarburizer tag nrho, uas raug nqi 7,000 lossis 8,000 yuan.
