Mullite castables yog ua los ntawm cov ntxeem tau mullite sib sau ua cov khoom siv raw, ntxiv rau cov hmoov zoo thiab cov khoom ntxiv rau hauv cov khoom siv refractory castables.
Mullite castables: Qhov no yog refractory castable ua los ntawm ntxeem tau mullite aggregate raws li raw khoom, ntxiv hmoov zoo thiab additives stirred rau hauv refractory castables. Feem ntau siv hauv cov cement kiln ua ntej thiab tom qab lub qhov ncauj ntawm lub qhov cub, lub tshuab cua txias thiab lwm qhov chaw kub.
Raws li corundum mullite castables nyob rau hauv circulating fluidized txaj boiler ci txheej txheem muab faib ua peb theem:
- Thawj theem yog 110 degree qis kub txij nkawm theem.
- Qhov thib ob theem yog 250 degree -530 degree nruab nrab kub txij nkawm theem,
- Qhov thib peb theem yog 850 degree siab kub txij nkawm theem. Tag nrho cov txheej txheem ci yuav siv li ntawm 5-6 hnub. Thaum lub sij hawm no, peb yuav tsum tau xyuam xim rau kev tswj qhov kub thiab txias, thiaj li tsis ua rau flaking thiab cracking teeb meem tshwm sim los ntawm kub heev.
Mullite castables nta:
Mullite series ntawm castables yog kub resistant, tuaj yeem siv ncaj qha rau hauv kev sib cuag nrog cov nplaim taws ua haujlwm hauv ob sab phlu, paub txog qhov kub ntawm lub zog txuag; lub teeb chav tsev qhov hnyav, 40-60% sib dua hauv qhov hnyav ntawm cov qauv, tshem tawm qhov tsis txaus ntseeg ntawm cov cib tawg ntawm dai cib ntawm lub ru tsev ntawm lub cub tawg; ntxeem tau mullite aggregate dosing, tsawg thermal conductivity, zoo thaum tshav kub kub preservation; ceev ci ntawm lub cub tawg, shortening lub sij hawm ntawm ci lub sij hawm, nrog zoo kawg li kev khwv nyiaj txiag.
Yog tias koj txaus siab rau cov khoom siv refractory, tiv tauj peb tam sim no!
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