Lub tshuab nqus tsev kho cua sov cov cuab yeej suav nrog silica cib thiab av nplaum cib

Lub tshuab nqus tsev kho cua sov cov cuab yeej suav nrog silica cib thiab av nplaum cib

Acid refractories feem ntau yog tsim los ntawm silica, feem ntau siv yog silica cib thiab av nplaum cib. Silica bricks yog siliceous khoom uas muaj ntau tshaj 94 feem pua ​​ntawm silicon oxide. Cov ntaub ntawv raw siv yog silica, khib nyiab silica cib, thiab lwm yam, uas muaj zog tiv thaiv acid slag yaig, siab softening kub nyob rau hauv load, thiab tsis txhob poob rau hauv ntim tom qab rov calcination, tab sis nthuav me ntsis; tab sis nws yog yooj yim corroded los ntawm alkaline slag thiab muaj tsis zoo thermal poob siab kuj. Silica cib feem ntau yog siv rau hauv cov khoom siv thermal xws li coke ncu, iav melting furnaces, thiab acid steelmaking furnaces. Cov av nplaum siv cov av nplaum refractory ua cov khoom siv tseem ceeb thiab muaj 30 feem pua ​​​​rau 46 feem pua ​​​​ntawm alumina. Lawv yog cov tsis muaj zog acidic refractory cov ntaub ntawv nrog zoo thermal poob siab tsis kam thiab corrosion kuj rau acid slag. Lawv tau siv dav.

Refractories rau lub sijhawm tshwj xeeb hauv lub tshuab nqus tsev kho cua sov

Muaj ntau ntau hom refractories, uas feem ntau muab faib ua cov refractories zoo tib yam (1580-1770 degree), refractories (1770-2000 degree) thiab super-qib refractories (siab dua 2000 degree) raws li lawv cov refractoriness; Cov kua qaub refractories tau muab faib raws li cov khoom siv tshuaj, nruab nrab refractories thiab alkaline refractories. Tsis tas li ntawd, muaj cov khoom siv refractory rau lub sijhawm tshwj xeeb.

Tam sim no lub ntsiab lus ntawm cov khoom siv refractory tsis tsuas yog txiav txim siab los ntawm seb qhov refractoriness siab dua 1580 degree. Tam sim no, cov ntaub ntawv refractory feem ntau xa mus rau cov khoom siv tsis muaj hlau tsis muaj hlau siv hauv ob sab phlu metallurgy, petrochemical, cement, ceramics thiab lwm yam khoom siv.

Kev sib xyaw thiab particle homogenization ntawm raw thiab clinker hauv lub tshuab nqus tsev kho cua sov

Yuav kom homogenize lub Cheebtsam thiab hais ntawm ntau yam raw cov ntaub ntawv thiab clinkers, nws yog tsim nyog los sib tov thiab ntxiv binders los txhim kho lub sib raug zoo lub zog ntawm cov billets. Piv txwv li, aluminium silicate billet yog ntxiv nrog cov av nplaum, cov magnesia billet ntxiv nrog sulfite pulp pov tseg kua, thiab cov siliceous billet ntxiv nrog txiv qaub mis nyuj, thiab lwm yam. kwv yees li 5 feem pua ​​​​ntawm cov dej noo), yas molding (kwv yees li 15 feem pua ​​​​mob) thiab txhaj tshuaj molding (kwv yees li 40 feem pua ​​​​mob) tuaj yeem siv. Nws yog ces qhuav thiab raug rho tawm haujlwm. Txoj kev melting thiab casting yog yaj cov ntaub ntawv raw ntawm qhov kub thiab txias los ntawm cov txheej txheem xws li batching, sib tov thiab zoo sib tsoo, ncaj qha casting, thiab txias, crystallization, thiab annealing los ua khoom. Xws li cam khwb cia mullite cib, corundum cib thiab magnesia cib. Lawv lub cev ntsuab yog ntom, nrog cov neeg kho tshuab siab, siab kub cov qauv muaj zog, thiab zoo slag tsis kam, thiab lawv qhov kev siv yog txuas mus ntxiv. Txoj kev yaj tshuab yog ib txoj hauv kev melting cov khoom xyaw thiab tshuab lawv nrog cov cua kub siab los yog superheated chav kom disperse lawv mus rau hauv fibers los yog hollow spheres. Cov khoom siv tsuas yog siv los ua lub teeb refractory thiab cov ntaub ntawv rwb thaiv tsev kub. Tsis tas li ntawd, nws tseem tuaj yeem ua rau cov hmoov nplej los yog granular unshaped refractory cov ntaub ntawv, uas tuaj yeem ua cemented nrog binders xws li tar, asphalt, cement, phosphate, sulfate los yog chloride ntsev rau kev siv ib ntus, thiab siv ncaj qha yam tsis muaj molding thiab sintering.

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