Graphite electrodes thiab graphite cov ntaub ntawv cov khoom lag luam muaj qhov zoo ntawm cov khoom siv zoo, tshwj xeeb yog cov khoom siv sib txawv, cov ntaub ntawv tawv me. Piv nrog tooj liab, graphite electrode cov khoom muaj txiaj ntsig zoo xws li kev siv tsheb tsawg, nrawm nrawm nrawm, lub teeb yuag, thiab qis coefficient ntawm thermal expansion. Yog li ntawd, lawv tau maj hloov cov tooj hluav taws xob tooj liab raws li cov ntsiab ntawm paug ntawm cov ntaub ntawv tshem tawm.
(1) Ceev ceev.
Qhov tso tawm ntawm graphite electrodes yog 2-3 zaug sai dua li tus tooj liab, thiab cov khoom tsis yooj yim deformed. Nws tau pom tseeb zoo nyob rau hauv kev tsim cov nyias ribbed electrodes. Qhov muag muag muag ntawm tooj liab yog ib ncig ntawm 1000 ℃, uas yog nquag mus deformation vim muaj cua sov. Lub sublimation kub ntawm graphite electrodes thiab graphite cov khoom yog li 3650 ℃. Hauv kev sib piv, cov cua sov nthuav tawm coefficient ntawm graphite tsuas yog 1/30 ntawm cov khoom ntxwv tooj liab; Graphite kev nrawm nrawm nrawm nrawm nrawm nrawm nrawm, nrog kev nrawm nrawm nrawm nrawm nrawm thiab muaj zog. Rau ultra-siab (50-90mm) thiab ultra-nyias (0.2-0.5mm) electrodes, lawv tsis yog deformed yooj yim thaum lub tshuab machining. Ntxiv mus, feem ntau, cov khoom yuav tsum muaj cov nyhuv zoo, uas yuav tsum ua rau cov electrode li ntau tau. Txawm li cas los xij, muaj ntau yam zais zais zais hauv kev tsim cov tag nrho cov kev siv hluav taws xob. Vim tias qhov yooj yim kho xwm ntawm graphite, qhov teeb meem no tau daws tau yooj yim thiab cov xov tooj hluav taws xob tau zoo heev, uas cov hluav taws xob liab tau ua tiav tsis tau.
(2) lub teeb yuag.
Qhov ceev ntawm graphite electrodes thiab graphite cov khoom tsuas yog 1/5 ntawm tooj liab ntom. Thaum siv cov hluav taws xob loj rau kev tawm kom tsis txhob siv lub nra, nws tuaj yeem txo cov cuab yeej rau ntawm cov cuab yeej siv thiab haum rau daim ntawv thov ntawm cov pwm loj.
(3) poob qis.
Vim muaj cov pa roj carbon atoms hauv cov roj ua atoms, cov duab tawm hauv cov pa roj teeb hluav taws xob, them nyiaj rau qhov poob ntawm graphip electrode.
(4) tsis muaj burrs.
Tom qab lub tooj electrode yog ua tiav, nws yog ib qho tsim nyog rau manually tshem tawm burrs; Tom qab ua cov khoom lag luam graphite, tsis muaj burrs, uas tsis tsuas yog txuag tau cov nqi ntau thiab manpower, tab sis kuj ua kom yooj yim dua kom ua tiav kev tsim khoom.
(5) yooj yim rau polish.
Vim tias qhov txiav tsis kam ntawm graphite tau tsuas yog 1/5 ntawm tus tooj liab, kev sib tsoo sib tsoo thiab polishing yooj yim rau kev ua haujlwm.
(6) tus nqi qis.
Vim tias kev nce nrad hauv cov nqi tooj liab nyob rau hauv xyoo tsis ntev los no, tus nqi ntawm graphite yog tam sim no qis dua li tus tooj liab hauv txhua qhov; Rau graphite elecodes thiab graphite cov khoom nyob rau hauv tib lub ntim kev tshwm sim, tus nqi ntawm cov khoom lag luam tooj liab, thiab tus nqi yog qhov ruaj ntseg, nrog cov khoom luv luv luv luv luv luv.
Sijhawm Sijhawm: 3 月 -20-2024
