High purity graphitehais txog graphite nrog cov ntsiab lus carbon ntau dua 99.99%. High purity graphite muaj qhov zoo xws li kub tsis kam, corrosion kuj, thermal shock resistance, thermal expansion coefficient, nws tus kheej lubrication, tsis tshua muaj coefficient, thiab yooj yim mechanical processing. Ua kev tshawb fawb ntawm cov txheej txheem tsim khoom ntawm high-purity graphite thiab txhim kho cov khoom zoo yog qhov tseem ceeb rau kev tsim kho ntawm Tuam Tshoj txoj kev lag luam high-purity graphite.
Txhawm rau txhawb txoj kev loj hlob ntawm Tuam Tshoj txoj kev lag luam high-purity graphite, peb lub tuam txhab tau nqis peev ntau ntawm cov neeg ua haujlwm thiab cov peev txheej hauv kev tshawb fawb thiab kev loj hlob ntawm qib siab purity graphite, ua rau muaj txiaj ntsig tseem ceeb rau hauv cheeb tsam ntawm high-purity graphite. Tam sim no cia kuv qhia koj txog peb lub tuam txhab kev tshawb fawb thiab kev txhim kho kev ua tiav:
- Cov txheej txheem dav dav rau kev tsim cov high-purity graphite:
Lub ntsiab ntau lawm txheej txheem ntawm high-purity graphite yog qhia nyob rau hauv daim duab 1. Nws yog pom tseeb hais tias cov txheej txheem ntawm high-purity graphite yog txawv ntawm graphite electrodes. High purity graphite yuav tsum muaj cov khoom siv isotropic raw khoom, uas yuav tsum tau muab tso rau hauv cov hmoov zoo. Isostatic nias molding tshuab yuav tsum tau siv, thiab lub voj voog roasting ntev. Yuav kom ua tiav qhov xav tau ceev, ntau lub voj voog impregnation roasting yuav tsum tau, thiab lub voj voog graphitization yog ntev dua li cov graphite zoo tib yam.
1.1 Cov khoom siv raw
Cov khoom siv raw rau kev tsim cov graphite siab muaj xws li cov khoom sib xyaw ua ke, cov hlua khi, thiab cov neeg ua haujlwm impregnating. Aggregates feem ntau yog ua los ntawm rab koob zoo li roj av coke thiab asphalt coke. Qhov no yog vim koob zoo li roj av coke muaj cov yam ntxwv xws li cov hmoov tshauv tsawg (feem ntau tsawg dua 1%), yooj yim graphitization ntawm qhov kub thiab txias, zoo conductivity thiab thermal conductivity, thiab qis linear expansion coefficient; Cov graphite tau los ntawm kev siv asphalt coke ntawm tib lub graphitization kub muaj qhov hluav taws xob ntau dua tab sis muaj zog dua txhua yam. Yog li ntawd, thaum tsim cov khoom lag luam graphitized, ntxiv rau roj av coke, ib feem ntawm asphalt coke kuj siv los txhim kho lub zog ntawm cov khoom. Binders feem ntau siv thee tar suab,uas yog ib yam khoom ntawm cov txheej txheem distillation ntawm thee tar. Nws yog cov khoom dub nyob rau hauv chav tsev kub thiab tsis muaj qhov ntsuas kub ruaj khov.
1.2 Calcination / Purification
Calcination yog hais txog kev kho cua kub kub ntawm ntau yam khoom siv raw cov ntaub ntawv nyob rau hauv cov huab cua sib cais. Cov khoom sib xyaw uas tau xaiv muaj ntau qhov sib txawv ntawm cov dej noo, impurities, lossis cov khoom tsis haum rau hauv lawv cov qauv sab hauv vim qhov sib txawv ntawm qhov kub thiab txias los yog lub hnub nyoog geological ntawm cov thee tsim. Cov tshuaj no yuav tsum tau muab tshem tawm ua ntej, txwv tsis pub nws yuav cuam tshuam cov khoom zoo thiab kev ua haujlwm. Yog li ntawd, cov xaiv aggregates yuav tsum tau calcined los yog purified.
1.3 Sib tsoo
Cov khoom siv siv rau kev tsim cov graphite, txawm hais tias qhov thaiv qhov loj me yog txo tom qab calcination lossis purification, tseem muaj qhov loj me me nrog qhov sib txawv loj thiab tsis sib xws. Yog li ntawd, nws yog ib qho tsim nyog yuav tau crushed lub aggregate particle loj kom tau raws li cov khoom yuav tsum tau.
1.4 Sib tov thiab kneading
Cov hmoov av hauv av yuav tsum tau muab sib xyaw nrog cov thee tar binder hauv kev faib ua ntej muab tso rau hauv lub tshuab ua kom sov kneading kom ntseeg tau tias cov khoom sib txawv.
1.5 Tsim
Cov txheej txheem tseem ceeb suav nrog extrusion molding, molding, vibration molding, thiab isostatic pressing molding
1.6 Kev
Cov khoom tsim cov pa roj carbon monoxide yuav tsum tau ua cov txheej txheem roasting, uas suav nrog carbonizing cov ntaub ntawv rau hauv cov ntawv khi coke los ntawm kev kho cua sov (kwv yees li 1000 ℃) nyob rau hauv cov huab cua sib cais.
1.7 Impregnation kev
Lub hom phiaj ntawm impregnation yog sau cov pores me me uas tsim nyob rau hauv cov khoom thaum lub sij hawm roasting txheej txheem nrog molten asphalt thiab lwm yam impregnating agents, nrog rau cov uas twb muaj lawm qhib pores nyob rau hauv lub aggregate coke hais, los txhim kho lub ntim ceev, conductivity, mechanical zog, thiab tshuaj corrosion kuj ntawm cov khoom.
1.8 Graphitization ua haujlwm
Graphitization yog hais txog cov txheej txheem kev kho cua kub kub uas hloov cov thermodynamically tsis ruaj tsis khov uas tsis yog graphite carbon rau hauv graphite carbon los ntawm thermal activation.
Txais tos tuaj xyuas thiab tshuaj xyuas peb lub Hoobkas, feem ntau koom nrog graphite pwm, high-purity graphite, graphite crucibles, nano graphite hmoov, isostatic pressing graphite, graphite electrodes, graphite rods, thiab hais txog.
Post lub sij hawm: Oct-03-2023