Classification ntawm breathable bricks (3)

(Daim duab) GW series slit hom breathable cib

Permeable bricks tuaj yeem muab faib ua corundum-spinel system qhov cua cib, corundum-chromium oxide qhov cua qhov ci ci, corundum-spinel qhov cua qhov rooj cib thiab corundum-chromium oxide qhov cua qhov rooj cib raws li lawv cov ntaub ntawv.

1 Corundum-spinel system cib ua pa

Vim tias cov slag tsis kam thiab thermal poob siab tsis kam ntawm ib-theem corundum castables tsis zoo tagnrho, cov khoom siv spinel muaj cov slag yaig zoo. Yog li ntawd, high-purity fused spinel yog ntxiv rau corundum castable kom ua tiav lub hom phiaj ntawm kev txhim kho kev ua haujlwm ntawm corundum castable. Cov khoom siv raw yog feem ntau yog phaj-zoo li corundum, thiab cov cua-permeable cib raug rho tawm haujlwm ntawm qhov kub thiab txias nrog cov ntaub ntawv zoo thermal shock resistance thiab slag kuj.

2 Corundum-Chromium Oxide System Breathable Cib

Txhawm rau txhawm rau txhim kho qhov ua tau zoo ntawm cov hlau slag corrosion ntawm huab cua-permeable cib, ib qho nyiaj ntawm chromium oxide micropowder yog ntxiv rau qhov muaj pes tsawg leeg. Cov khoom siv tseem ceeb yog phaj-zoo li corundum, thiab chromium oxide ntxiv rau corundum castable. Thaum qhov kub thiab txias, chromium oxide thiab txhuas oxide tsim cov khoom kub kub, thiab tib lub sij hawm tsim ib feem ntawm cov kua MgO·Cr2O3-MgO·Al2O3 nrog ib qho me me ntawm magnesium oxide. Lub viscosity ntawm cov khoom siv no yog siab heev, thiab corrosion thiab tsis kam mus rau Fe2O3 los yog slag yog ho txhim khu kev qha, thiaj li hais tias tus nkag mus thiab corrosion ntawm steel slag tuaj yeem tiv thaiv tau zoo ntawm qhov kub thiab txias. Nyob rau tib lub sijhawm, ib qho me me ntawm Cr2O3 tuaj yeem cuam tshuam qhov kev loj hlob ntau dhau ntawm Al2O3, txo cov kev ntxhov siab hauv cov khoom siv lead ua, thiab txhim kho lub cev ntawm cov khoom siv. Txawm li cas los xij, yog tias qhov sib ntxiv loj dhau lawm, kev loj hlob ntawm corundum nplej yuav raug cuam tshuam ntau dhau, thiab kev ntxhov siab sab hauv kuj yuav tsim tawm, yog li txo cov khoom ntawm lub cev. Tsis tas li ntawd, tus nqi ntawm Cr2O3 kuj tseem siab, ntxiv ntau dhau yuav ua rau tus nqi nce ntxiv, thiab yuav muaj qee yam cuam tshuam rau ib puag ncig.

3 Corundum-spinel system breathable lub rooj cib

corundum-spinel system breathable lub rooj cib yog cov khoom siv dav tshaj plaws, thiab cov khoom siv tseem ceeb yog corundum. Qhov kom zoo dua yog tias spinel muaj zog tiv taus cov kua qaub thiab alkalis, thiab yog lub siab melting point compound nrog kev ua tau zoo. Aluminium-magnesium spinel muaj zog tiv thaiv alkaline slag, thiab muaj cov nyhuv ruaj khov ntawm cov hlau oxides. Thaum nws los nyob rau hauv kev sib cuag nrog magnetite ntawm qhov kub thiab txias, nws yuav hnov ​​​​mob los tsim ib qho kev daws teeb meem, thiab qhov kub-kub corrosion kuj ntawm lub rooj zaum cib tuaj yeem txhim kho; Nyob rau tib lub sijhawm, cov tshuaj MgO lossis Al2O3 spinel muaj cov thermal poob siab zoo dua vim qhov sib txawv ntawm kev nthuav dav coefficient ntawm cov zaub mov.

4 Corundum-Chromium Oxide System Breathable Block

Lub corundum-chromium oxide system breathable lub rooj cib yog tsim nyob rau hauv lub hauv paus ntawm corundum-spinel system nyob rau hauv thiaj li yuav txhim kho lub siab kub kuj ntawm lub breathable lub rooj cib. Lub ntsiab raw khoom yog tabular corundum, thiab ib qho me me ntawm cov khoom siv chromium oxide hmoov ntxiv. Qhov kom zoo dua yog tias los ntawm kev txhim kho cov kev ua tau zoo ntawm cov cib los ntawm spinel, cov khoom siv tshuaj tsim los ntawm Al2O3-Cr2O3 muaj qhov ua kom muaj zog ntxiv rau cov hlau oxide slag. Ntxiv Cr2O3 tsawg dua tuaj yeem cuam tshuam kev loj hlob ntawm alumina crystals ntau dhau, yog li txo cov crystals sab hauv. Kev ntxhov siab, txhim kho lub thermal shock kuj, yaig kuj thiab yaig tsis kam ntawm lub rooj zaum cib breathable.

Thaum xaus lus

Txawm hais tias hnyav npaum li cas ntawm qhov kev siv ntawm qhov chaw yog, los ntawm kev siv yav dhau los thiab kev soj ntsuam ntawm qhov chaw, peb yuav muaj peev xwm nrhiav tau ib hom kev ua pa cib uas ua tau raws li qhov yuav tsum tau ua ntawm cov txheej txheem smelting ntawm qhov chaw.