Thaum lub cub tawg calcium carbide nyob rau hauv kev tsim khoom ib txwm muaj, qhov ceev sintering thiab kev siv hluav taws xob ntawm lub electrode ncav cuag qhov sib npaug dynamic. Kev tswj hwm kev sib raug zoo ntawm kev tso tawm ntawm lub electrode siab thiab kev siv hluav taws xob yog los tshem tawm ntau yam kev sib tsoo electrode, txhim kho kev ua haujlwm ntawm lub cub tawg hluav taws xob, thiab txo ntau yam kev siv hluav taws xob. Qhov tseem ceeb rau kev txhim kho kev lag luam zoo.
(1) Ntsuas cov electrodes txhua hnub, xyuam xim saib seb cov electrodes peb theem puas kub hnyiab. Raws li qhov xwm txheej ib txwm muaj, qhov qis dua ntawm lub nplhaib hauv qab yog li 300 hli, lub phaj arc thiab phaj tav ntawm lub tog raj kheej electrode yuav tsum zoo, thiab lub electrode yog xim greyish dawb lossis tsaus tab sis tsis yog liab. ; Yog tias lub phaj arc thiab phaj tav ntawm lub tog raj kheej electrode hauv qab lub nplhaib hauv qab electrode raug hlawv hnyav, thiab lub electrode yog dawb ci lossis liab, nws txhais tau tias lub electrode muaj qhov xwm txheej overheated; Yog tias pa luam yeeb dub tawm los, nws txhais tau tias lub electrode tsis tau kub hnyiab txaus thiab lub electrode mos. Los ntawm kev soj ntsuam cov xwm txheej saum toj no, lub sijhawm tsim nyog ntawm kev nias thiab tso tawm electrode thiab kev tswj hwm tam sim no tau tsim los tiv thaiv qhov tshwm sim ntawm cov xwm txheej electrode.
(2) Thaum lub sijhawm ua haujlwm ib txwm, lub electrode tam sim no raug tswj hwm hauv qhov ntau ntawm cov txheej txheem xav tau kom ntseeg tau tias qhov ntev ntawm lub electrode. Thaum lub cub hluav taws xob nyob rau hauv tag nrho cov khoom tsim tawm, qhov ntev ntawm lub electrode tob rau hauv cov txheej khoom feem ntau yog 0.9 txog 11 npaug ntawm txoj kab uas hla ntawm lub electrode. Ua kom muaj kev tso tawm siab tsim nyog raws li lub sijhawm ntawm lub cub tawg; nkag siab qhov zoo ntawm cov khoom siv raw nkag mus rau hauv lub Hoobkas los ntawm qhov chaw, thiab xyuas kom meej tias txhua qhov ntsuas ntawm cov khoom siv raw nkag mus rau hauv lub cub tawg ua tau raws li cov txheej txheem xav tau; kev ziab ntawm cov ntaub ntawv carbon kuj yuav tsum ua tau raws li cov txheej txheem xav tau, thiab kev tshuaj xyuas cov khoom siv raw yuav tsum tau ua kom cov hmoov.
(3) Kev nias thiab tso tawm ntawm electrode yuav tsum tau ua tsis tu ncua (tsawg dua li 20 hli los them rau kev siv), lub sijhawm ntawm kev nias thiab tso tawm ntawm electrode yuav tsum sib xws, thiab kev nias thiab tso tawm ntau dhau yuav tsum zam hauv lub sijhawm luv luv, vim tias qhov no yuav cuam tshuam rau thaj chaw kub uas tau teeb tsa thiab yuav ua rau muaj kev sib tsoo ntawm electrode, yog tias nws tsim nyog los ua kom muaj kev tso tawm siab loj, qhov tam sim no ntawm electrode yuav tsum raug txo qis, thiab tom qab thaj chaw kub tau rov tsim dua, qhov tam sim no ntawm electrode yuav tsum maj mam nce.
(4) Thaum lub electrode ntawm ib theem luv dhau, lub sijhawm rau kev nias thiab tso tawm lub electrode yuav tsum luv dua txhua lub sijhawm; tam sim no ntawm lub electrode ntawm theem no yuav tsum tau nce kom tsim nyog, thiab kev ua haujlwm ntawm lub electrode ntawm theem no yuav tsum tau txo kom ua tiav lub hom phiaj ntawm kev txo qhov kev siv ntawm lub electrode ntawm theem no; Tus nqi ntawm cov neeg sawv cev txo qis rau lub electrode ntawm theem no; yog tias lub electrode luv dhau, nws yog qhov tsim nyog siv lub electrode qis dua los ua haujlwm ntawm kev ci lub electrode.
(5) Thaum lub electrode ntawm ib theem twg ntev dhau lawm, lub sijhawm ntawm kev nias thiab tso lub electrode ntawm theem no yuav tsum tau ntev; ntawm qhov kev xav tias qhov tob ntawm lub electrode rau hauv lub cub tawg ua tau raws li cov txheej txheem xav tau, lub electrode yuav tsum tau tsa, qhov tam sim no ua haujlwm ntawm lub electrode ntawm theem no yuav tsum tau txo, thiab qhov tam sim no ua haujlwm ntawm lub electrode ntawm theem no yuav tsum tau nce. Kev ua haujlwm thiab kev siv; raws li cov xwm txheej ntawm lub cub tawg, txo qhov piv ntawm tus neeg sawv cev txo qis rau lub electrode ntawm theem no kom tsim nyog: nce tus naj npawb ntawm lub sijhawm uas lub electrode ntawm theem no sib raug rau lub qhov hluav taws xob ntawm lub cub tawg; nce qhov txias ntawm lub electrode ntawm theem no.
(6) Tom qab qhov seem sintering raug tsiv mus rau hauv qab, nias thiab tso cov electrodes kom tas; thaum qhuav hlawv lossis qhib arc, nias thiab tso cov electrodes kom tas, tiv thaiv kom tsis txhob muaj cov khoom tsis txaus lossis nias thiab tso cov electrodes thaum cov khoom yuav tawg; yuav tsum muaj ib tug neeg tuaj rau ntawm qhov chaw nias thiab tso cov electrodes. Xyuas seb qhov siab thiab qhov tso tawm ntawm cov electrodes peb theem puas yog qhov qub thiab seb qhov ntim tawm puas ua tau raws li qhov yuav tsum tau ua. Yog tias qhov ntim tawm ntawm cov electrodes tsis txaus lossis cov electrodes plam, yuav tsum nrhiav thiab daws qhov ua rau.
Lub sijhawm tshaj tawm: Lub Ib Hlis-07-2023