Kev siv ntawm cov recarburizers sib txawv
Carburizer yog cov khoom siv tshuaj lom neeg uas tuaj yeem txhim kho cov txiaj ntsig carbonization ntawm cov ntaub ntawv thiab thaj chaw metallurgical.Muaj ntau cov carburizers siv hauv kev lag luam hlau thiab hlau.Txawv recarburizers rau ntau lub hom phiaj muaj qhov sib txawv.
1. Artificial graphite recarburizer
Cov khoom siv tseem ceeb ntawm cov khoom siv graphite yog hmoov calcined roj av coke, nyob rau hauv uas lub suab (los yog ntshiab organic pregelatinization) yog ntxiv raws li ib tug binder, thiab ib tug me me ntawm lwm yam khoom pab ntxiv.Nrog rau ntau yam khoom siv raw, nws yog nias thiab tsim, thiab tom qab ntawd ua tiav hauv qhov chaw tsis muaj oxidizing ntawm 2500-3000 ° C kom nws graphitized.Tom qab kev kho kub kub, cov ntsiab lus ntawm cov hmoov tshauv, sulfur thiab roj tau txo qis heev.
Daim ntawv thov ntawm graphite recarburizer: Graphite recarburizer tuaj yeem txhim kho cov qauv metallographic ntawm castings, sai sai tsim graphite core hauv cam khwb cia hlau, txo lub sij hawm carbonization, thiab txhim kho cov nyhuv carbonization.
2. Petroleum coke recarburizer
Petroleum coke yog siv dav siv recarburizer, thiab roj av coke yog cov khoom siv los ntawm cov roj av refining.Cov roj seem thiab roj av tau los ntawm kev siv lub tshuab nqus tsev los yog lub tshuab nqus tsev tuaj yeem siv los ua cov khoom siv raw rau kev tsim cov roj av coke, thiab roj av coke tuaj yeem tau tom qab coking.Cov zis ntawm cov roj av coke yog tsawg dua li cov roj crude, thiab cov ntsiab lus impurity ntawm cov roj av coke yog siab, yog li nws tsis tuaj yeem siv ncaj qha los ua carburizer thiab yuav tsum tau calcined ua ntej.Green petroleum coke muaj spongy, koob, granular thiab kua duab.
Daim ntawv thov roj av coke recarburizer: Petroleum coke recarburizer tuaj yeem ua kom lub qhov cub kub zoo, nws tuaj yeem tsis tsuas yog ua kom sov sov, tab sis kuj txhim kho cov khoom siv hlau, txhim kho thiab txhim kho qhov hnyav metallurgical ib puag ncig.
3. Coke thiab Anthracite
Nyob rau hauv cov txheej txheem hluav taws xob arc rauv steelmaking, coke los yog anthracite tuaj yeem muab ntxiv ua ib qho recarburizer.Induction furnace smelting cam khwb cia hlau yog tsis tshua muaj siv raws li ib tug recarburizer vim nws cov tshauv siab thiab volatile cov ntsiab lus.Lub calciner yog calcined nrog anthracite, thiab calcination kub yog 1200-1300.Dub granular, metallic luster, tsau carbon 85-93, nruab nrab leej faj thiab nitrogen cov ntsiab lus.
Siv cov calcined thee recariurizer: lub hom phiaj ntawm cov calcined thee recariolizer yog kom ua tau zoo carbon thiab luv luv lub sijhawm carbonations.Kev siv cov calcined thee recariurizer tuaj yeem txuag sijhawm.
