Brown Fused Alumina: Ib qho tseem ceeb raw khoom nyob rau hauv cov ntaub ntawv refractory thiab nws cov kev siv
Nrog rau kev txhim kho txuas ntxiv ntawm kev lag luam kub hauv siab xws li steel, cement, iav, non-ferrous hlau, thiab foundries, cov ntaub ntawv refractory tau ntsib kev xav tau ntau ntxiv rau siab - kub tiv thaiv, hnav tsis kam, thermal shock resistance, thiab kev pab lub neej. Raws li ib tug dav siv refractory raw khoom, Brown Fused Alumina (BFA) tau dhau los ua cov khoom tseem ceeb hauv kev tsim cov refractory vim nws cov hardness siab, zoo heev hnav tsis kam, siab - kub stability, thiab zoo thermal shock resistance.
Brown Fused Alumina yog dab tsi?
Brown Fused Alumina yog cov khoom siv abrasive thiab refractory feem ntau yog tsim los ntawm melting bauxite thiab lwm yam alumina - muaj cov khoom siv raw hauv qhov cub hluav taws xob ntawm qhov kub thiab txias. Tom qab melting, txias, crushing, soj ntsuam, thiab muab qhab nia, BFA yog ua tiav rau hauv ntau qhov ntau thiab tsawg kom tau raws li ntau yam kev lag luam.
Hauv kev lag luam refractory, Brown Fused Alumina feem ntau yog siv los ua ib qhorefractory aggregate, granular khoom, thiab hnav- tiv thaiv tiv thaiv. Los ntawm kev xaiv qhov loj me me uas tsim nyog thiab ua kom zoo tshaj qhov sib sau ua ke, BFA tuaj yeem txhim kho tag nrho cov hnav tsis kam, thermal stability, thiab lub zog ntawm cov khoom siv refractory.
Vim hais tias ntawm cov yam ntxwv no, Brown Fused Alumina yog dav siv nyob rau hauv refractory cib, castables, precast refractory khoom, thiab hnav - cov ntaub ntawv resistant refractory.
Daim ntawv thov tseem ceeb ntawm Brown Fused Alumina nyob rau hauv cov ntaub ntawv Refractory
1. Daim ntawv thov hauv High-Alumina Refractory Materials
Brown Fused Alumina tuaj yeem siv rau hauv kev tsim khoom ntawm ntau yam siab -alumina refractory khoom. Nws cov hardness siab thiab zoo siab -kub kev ua tau zoo pab txhim kho cov qauv kev ruaj ntseg thiab hnav tsis kam ntawm cov ntaub ntawv refractory.
Nyob ntawm daim ntawv thov, BFA tuaj yeem siv ua ke nrog lwm cov khoom siv raw khoom thiab xaiv raws li cov lus qhia tshwj xeeb.
Nws lub luag haujlwm tseem ceeb suav nrog:
Txhim kho hnav tsis kam;
Txhim khu kev kub siab -kub stability;
Ua kom muaj zog tiv thaiv kev puas tsuaj thiab cov khoom siv;
Txhawb kev ua haujlwm ntev - lub sijhawm ua haujlwm hauv siab - qhov kub thiab txias.
2. Daim ntawv thov hauv Refractory Castables
Refractory castables yog ib qho ntawm cov ntawv thov loj rau Brown Fused Alumina.
BFA tuaj yeem ua ib qho kev sib sau ua ke hauv castable formulations. Hauv kev lag luam xws li steelmaking, cement ntau lawm, thiab metallurgy, cov ntaub ntawv refractory feem ntau raug rau qhov kub thiab txias, cov khoom cuam tshuam, mechanical abrasion, thiab thermal cycling.
Ntxiv cov xim Brown Fused Alumina uas tsim nyog rau refractory castables tuaj yeem pab txhim kho lawvhnav tsis kam, siab -kub
stability, thiab tiv taus cov khoom yaig.
BFA-muaj cov castables tuaj yeem siv rau hauv thaj chaw xws li:
steel ladles;
Tundishes;
Muaj cua sov;
Cov cua kub cua sov;
Kilns;
High -kub khoom siv hauv ob sab phlu.
3. Daim ntawv thov hauv kev lag luam hlau
Kev lag luam steel yog ib qho tseem ceeb tshaj plaws daim ntawv thov teb rau cov ntaub ntawv refractory. Cov khoom siv xws li lub tshuab hluav taws xob tawg, hluav taws xob hluav taws xob hluav taws xob, lub tshuab hloov hluav taws xob, ladles, tundishes, thiab reheating furnaces ua haujlwm nyob rau hauv qhov kub siab heev -.
Brown Fused Alumina tuaj yeem siv rau hauv refractory castables, cib, thiab precast refractory Cheebtsam rau cov ntawv thov no.
Steel Ladles thiab Tundishes:
BFA tuaj yeem siv rau hauv cov khoom siv refractory castables thiab cov khoom precast los txhim kho kev tiv thaiv kev hnav, thermal cuam tshuam, thiab siab -kev ua haujlwm kub.
Reheating rauv:
BFA tuaj yeem muab tso rau hauv cov ntaub ntawv refractory siv rau hauv qhov cub hauv qab, phab ntsa, thiab lwm qhov chaw raug puas tsuaj thiab kub kub.
Lwm yam khoom siv Steelmaking:
Nyob ntawm seb cov kev ua haujlwm tshwj xeeb, BFA tuaj yeem siv rau hauv cov pob zeb refractory, castables, thiab lwm yam siab - cov ntaub ntawv kub.
4. Daim ntawv thov hauv Cement Kilns thiab cov khoom siv hauv tsev
Cov khoom siv cement ntau lawm ua haujlwm nyob rau hauv qhov kub thiab txias tsis tu ncua rau cov khoom txav, thermal cycling, thiab mechanical abrasion.
Brown Fused Aluminatuaj yeem siv los ua cov khoom sib xyaw refractory hauv castables thiab cov khoom siv refractory rau cov chaw xaiv ntawm cov cement kilns, preheaters, coolers, thiab lwm yam siab - cov khoom kub.
Nws lub luag haujlwm tseem ceeb yog los pab txhim kho lubhnav tsis kam thiab tiv taus cov khoom cuam tshuam thiab puasntawm refractory linings.
Rau cov cheeb tsam uas muaj qhov kub thiab txias thiab hnyav hnyav hnyav, BFA tuaj yeem muab cov kev daws teeb meem zoo thaum muab tso rau hauv cov txheej txheem refractory.
5. Daim ntawv thov hauv Non-Ferrous Hlau Smelting
Tsis yog -ferrous hlau kev lag luam, suav nrog tooj liab, txhuas, zinc, thiab lwm yam kev lag luam hlau, kuj xav tau cov ntaub ntawv refractory uas muaj peev xwm ua haujlwm hauv qhov kub thiab txias.
Brown Fused Alumina tuaj yeem siv rau hauv cov ntaub ntawv refractory rau:
Smelting furnaces;
Cov cua kub cua sov;
Rauv linings;
High -cov khoom siv ua haujlwm kub;
Hnav-cov khoom siv hluav taws xob tiv taus.
Qhov tsim nyog BFA qib thiab cov qoob loo loj tuaj yeem raug xaiv raws li kev ua haujlwm kub, qib abrasion, thiab ib puag ncig ntawm cov khoom siv.
6. Daim ntawv thov hauv Hnav-Resistant Refractory Castables
Ib qho txiaj ntsig tseem ceeb ntawm Brown Fused Alumina yog nws cov hardness siab, ua rau nws tsim tshwj xeeb rauhnav-resistant refractory castables.
Cov castables no feem ntau yog siv rau hauv cov cheeb tsam uas muaj qhov kub thiab txias ua ke nrog kev sib tsoo, cov khoom cuam tshuam, los yog siab tshaj - cov pa roj thiab cov khoom ntws.
Los ntawm kev ua raws li ib qho nyuaj refractory aggregate, BFA tuaj yeem txhim kho qhov kev tiv thaiv ntawm castables rau cov neeg kho tshuab hnav thiab yaig saum npoo, pab txuas ntxiv lub neej kev pab cuam ntawm refractory linings nyob rau hauv xav tau kev khiav hauj lwm tej yam kev mob.
7. Daim ntawv thov hauv Precast Refractory khoom
Brown Fused Aluminatseem tuaj yeem siv rau hauv kev tsim cov khoom siv precast refractory.
Los ntawm kev sib sau ua ke kom zoo thiab tsim qauv tsim, BFA tuaj yeem muab tso rau hauv lub qhov rooj refractory, hnav daim hlau, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab lwm yam khoom siv prefabricated.
Rau cov ntawv thov uas xav tau kev hnav zoo dua thiab txhim khu kev ntseeg siab - qhov kub thiab txias, xaiv BFA kom zoo tuaj yeem pab txhim kho cov khoom siv precast refractory.
Qhov zoo ntawm Brown Fused Alumina hauv Refractory Applications
Cov txiaj ntsig tseem ceeb ntawm Brown Fused Alumina hauv cov ntaub ntawv refractory suav nrog:
Siab hardness thiab hnav tsis kam
BFA muaj zog hardness, ua rau nws haum rau refractory daim ntaub ntawv uas muaj xws li txhua yam abrasion, cov khoom cuam tshuam, thiab particle yaig.
Zoo Siab -Tsub Ua Haujlwm
Nws tuaj yeem siv tau rau hauv ntau yam ntawm - kub refractory formulations thiab industrial furnace applications.
Zoo thermal stability
Thaum tsim tau zoo, BFA tuaj yeem pab txhawb rau cov tshuab refractory tsim los tiv thaiv thermal cycling thiab kub hloov pauv.
Kev siv dav dav
Nws tuaj yeem siv rau hauv cov cib refractory, castables, precast khoom, thiab hnav- cov ntaub ntawv tiv thaiv refractory.
Ntau hom qoob loo muaj
Brown Fused Alumina tuaj yeem ua tiav rau ntau qhov ntau thiab tsawg, tso cai rau cov tuam txhab lag luam txhawm rau txhim kho kev sib sau ua ke raws li cov qauv tshwj xeeb refractory.
Yuav Ua Li Cas Xaiv Brown Fused Alumina rau Cov Khoom Siv Refractory
Qhov kev ua tau zoo ntawm cov khoom siv refractory nyob ntawm qhov zoo ntawm Brown Fused Alumina tab sis kuj ntawm kev xaiv cov qib kom raug thiab particle loj rau daim ntawv thov.
Cov yam tseem ceeb muaj xws li:
Al₂O₃ cov ntsiab lus;
Titanium oxide thiab lwm yam tshuaj lom neeg;
Qib impurity;
Qhov ntom ntom;
Particle loj faib;
Grain shape thiab grading;
Kev khiav hauj lwm kub tshwj xeeb;
Hnav thiab abrasion tej yam kev mob;
Chemical corrosion ib puag ncig.
Rau hnav-cov khoom tiv thaiv refractory castables, tshwj xeeb yuav tsum tau them rau hardness, hnav tsis kam, thiab particle loj tis. Rau siab -kub rauv hauv ob sab phlu, BFA yuav tsum tau soj ntsuam ua ke nrog thermal stability thiab compatibility nrog rau lwm yam refractory raw khoom.
Kev tsim kom raug thiab kev sib sau ua ke yog qhov tseem ceeb los ua kom qhov ua tau zoo ntawm Brown Fused Alumina hauv cov ntawv thov refractory.
Raws li qhov siab -kub kev lag luam txuas ntxiv mus rau qhov loj dua - nplai, txuas ntxiv, thiab ua haujlwm tau zoo dua, cov khoom siv refractory yuav tsum tau ua kom muaj kev xav tau ntau ntxiv, suav nrog kev kub siab, kev puas tsuaj, khoom siv, thermal cycling, thiab tshuaj tua kab mob.
Nrog nwssiab hardness, zoo heev hnav tsis kam, siab - kub stability, thiab zoo thermal ua haujlwm, Brown Fused Alumina tau dhau los ua ib qho tseem ceeb raw khoom rau refractory cib, refractory castables, precast refractory khoom, thiab hnav-resistant refractory systems.
Nyob rau hauv lub neej yav tom ntej, daim ntawv thov ntawm Brown Fused Alumina nyob rau hauvhnav- cov kab hluav taws xob tiv taus, siab- cov khoom siv hluav taws xob refractory castables, precast refractory Cheebtsam, thiab cov khoom siv refractory siab heevcia siab tias yuav txuas ntxiv mus ntxiv.
Rau cov tuam txhab refractory, xaiv qhov tsim nyog Brown Fused Alumina qib, purity, particle size, thiab aggregate grading raws li kev khiav hauj lwm tej yam kev mob yog qhov tseem ceeb rau kev ua tau zoo refractory kev ua tau zoo, ntev kev pab cuam lub neej, thiab ntau txhim khu kev qha kev tiv thaiv rau siab -kub industrial khoom.
