Lub luag haujlwm ntawm kev kho cua sov hauv graphite electrode kev tsim khoom?

Kev kho cua sov yog ib qho txheej txheem tseem ceeb hauv graphite electrode kev tsim khoom, feem ntau muaj kev xam pom thiab graphitization. Tus txheej txheem no, los ntawm kev kho siab siab- kub kev kho, ua rau lub cev hloov pauv ntawm cov khoom elecicochemical, ua kom zoo dua nws cov kev ua tau zoo.

1. Cov txheej txheem calcination

Kev kho mob cuam tshuam nrog cov cua sov kho lub cev ntsuab ntawm lub cev kub ntawm qhov kub (feem ntau 800℃-1200 degree). Nws lub ntsiab ua haujlwm suav nrog:

Kev tshem tawm cov neeg tawm tsam: cov hlua khi (xws li suab nrov) nyob rau hauv lub cev ntsuab lub cev decompose thiab volatilize ntawm kev kub siab, txo cov ntxeem tau sab hauv thiab nce cov khoom siv ntom ntom ntom ntom.

Txoj kev tsim cov qauv Carbon thawj zaug: Thaum cov roj carbonapacous raw hloov mus ua Amorphous Carbon, tso lub hauv paus rau kev ua kom tiav.

Txhim kho kev siv zog: los ntawm kev kho kom sov, cov qauv tshuaj ntsuab tsis zoo, txhim kho nws cov txheej txheem kho tshuab. 2.} cov txheej txheem nraaj

Gracitizitizitizitizitizitization yog ib qho kev kho cua sov ntxiv tau ua rau muaj kev kub ntxhov ntau dua (feem ntau 2500℃rau 3000 degree). Nws lub ntsiab ua haujlwm suav nrog:

Cov pa roj carbon atom rearrangement: ntawm cov roj teeb siab, cov roj carbon a attrial los ntawm cov qauv siv lead ua rau amorpite, txhim kho cov kev coj zoo thiab thermal conductivity ntawm electrode.

Cov neeg tua hluav taws xob tiv thaiv: Thaum lub sij hawm tiv thaiv, kev tiv thaiv cov pa roj carbon cov ntaub ntawv txo qis heev, yog li ua kom lub electrode hluav taws xob conduction.

Improved thermal stability: Graphitized electrodes have a lower coefficient of thermal expansion and higher oxidation resistance, enabling them to better withstand high-temperature environments.