UHP650 graphite electrode teeb meem thiab kev daws teeb meem hauv EAF smelting.

Rau UHP650, tam sim no thaum lub sij hawm smelting txheej txheem yog 80000A-120000A, thiab nws tam sim no ceev yog 20-30A/CM². Rau UHP650 electrode, nws qhov chaw hla ntu yog 3450M². Thaum UHP650 electrode ua haujlwm nrog tam sim no ntawm 3450M², thiab thaum lub electrode kawg yog oxidized rau ib txoj kab uas hla ntawm 400mm, nws cross-sectional cheeb tsam yog 1250M². Yog tias qhov tam sim no tsis hloov, nrog rau qhov txo qis ntawm qhov chaw hla ntawm lub electrode, qhov ceev tam sim no yuav nce, thiab ua rau muaj peev xwm loj dua electrode, nrog rau qhov sib ntxiv ntawm lub zog ntawm electrode arc nyob rau hauv qab ntawm lub arc. rauv, lub zog sab nraud thiab sab hauv ntawm electrode nce. Yog li ntawd, cov kab nrib pleb yooj yim tshwm sim, thiab nyob rau hauv ib txwm muaj xwm txheej, nws yuav tsis tawg lossis poob. Nyob rau hauv rooj plaub no, txhawm rau txhawm rau ua kom muaj peev xwm ntau lawm thiab cov zis, yog tias qhov tam sim no nce mus txog qhov siab tshaj ntawm 120000A lossis siab dua, cov electrode hauv qab yuav poob tawm, uas yog qhov ua rau tawg.

 

2.Yog vim li cas cuam tshuam rau electrode noj: tsis sib npaug peb-theem, muaj peev xwm loj transformer, siab theem nrab tam sim no / voltage, siab oxygen noj.

 

3.Cov lus qhia: Thaum lub sij hawm smelting txheej txheem, tam sim no nce maj mam thiaj li yuav txo tau noj. Thaum lub sij hawm smelting txheej txheem, lub electrode kawg maj mam thinner, qhov kawg sublimates thiab slag erodes lub electrode thiab melts (invades lub pas dej ua ke molten). Tau kawg, kev siv hluav taws xob muaj ntau yam ua rau tus qauv tsim thiab cov xwm txheej ntawm lub tshuab hluav taws xob hluav taws xob hluav taws xob. Thiab lub sijhawm no, tsis txhob nce qhov tam sim no tam sim no, uas tuaj yeem txo cov electrode noj.