Cov Cib Uas Muaj Alumina Rwb Thaiv Kub: Qhov Tseem Ceeb Rau Cov Ntawv Siv Hauv Kev Lag Luam Kub Siab

Rau cov chaw ua haujlwm kub siab xws li hlau, cement, iav, thiab petrochemicals, kev rwb thaiv tsev txhim khu kev qha tsis yog tsuas yog kev txuag nqi xwb - nws yog txoj hauv kev tsim khoom.Cov Cib Rwb Thaiv Tsev Alumina Siab(40%-75% Al₂O₃) sawv tawm ua qhov kev daws teeb meem mus-rau, daws cov teeb meem uas tshwm sim xws li poob cua sov, hloov pauv ntau zaus, thiab kev puas tsuaj ntawm cov khoom siv uas ua rau cov khoom siv ib txwm muaj teeb meem. Lawv qhov kev hloov pauv tau ntau yam hauv kev lag luam tseem ceeb ua rau lawv yog qhov kev xaiv zoo tshaj plaws rau 500+ lub tuam txhab tsim khoom thoob ntiaj teb.

Kev Lag Luam Hlau: Txhim Kho Kev Ua Haujlwm Zoo & Txo Cov Nqi

Qhov chaw ua hlau nyuaj tshaj plaws—1500 ℃ blast furnaces, molten steel ladles, thiab precision heat treatment furnaces—xav tau cov khoom rwb thaiv tsev zoo. Cov cib no ua kab rau cov blast furnaces, txo kev siv roj los ntawm 15%-20% (lub tsev ua hlau South Kauslim tau txuag tau $ 50k / xyoo ntawm coke). Lawv tiv thaiv cov ladles los ntawm kev poob siab thermal, ua kom muaj kev nyab xeeb kev thauj mus los ntawm molten thiab kev saib xyuas txiav los ntawm 50%. Hauv tundishes, lawv txo cov teeb meem casting los ntawm 8%-12%, thaum nyob rau hauv heat treatment furnaces, lawv tswj hwm qhov kub thiab txias ≤5 ℃ rau qhov zoo hlau sib xws.​

Cement & Iav: Ua kom cov txheej txheem kub siab ruaj khov

Cov qhov cub ua los ntawm cov cement rotary yuav tig mus los ntawm qhov pib txias mus rau qhov kub 1400 ℃—kev ntxhov siab uas rhuav tshem cov khoom rwb thaiv tsev uas tsis muaj zog. Cov cib Alumina siab tiv taus cov kev hloov pauv no, ua kom qhov kub thiab txias ruaj khov kom txo qis kev siv hluav taws xob ib tuj ntawm cov cement los ntawm 8%-12% (lub Hoobkas German txuag tau € 28k / xyoo rau roj). Rau cov neeg ua iav, lawv teeb tsa 1450 ℃ cov cub tawg yaj, tiv thaiv cov npuas lossis cov tuab tsis sib xws los ntawm kev ua kom sov sib npaug. Lawv lub neej 5-8 xyoo (5 zaug ntev dua li cov cib alumina qis) txhais tau tias tsawg dua kev kaw rau kev hloov pauv.​

Petrochemical & Fais Fab: Tiv taus xeb thiab hnav

Cov chaw tsim roj av ntsib kev xeb ntawm cov pa tshuaj lom neeg, thaum cov chaw tsim hluav taws xob daws teeb meem kev puas tsuaj ntawm cov tshauv ya - ob qho tib si ua rau cov khoom rwb thaiv tsev puas tsuaj. Cov cib no rwb thaiv cov catalytic crackers thiab cov kav dej kub siab, tiv taus kev xeb kom ntev lub neej ntawm cov khoom siv. Lawv txoj kev tsim qauv sib dua (0.8-1.2 g / cm³) ua rau cov kav dej yooj yim dua, thiab lawv cov cua sov khaws cia txo qhov kub ntawm qhov chaw rau kev ua haujlwm muaj kev nyab xeeb dua. Ib qho chaw tsim roj av hauv Tebchaws Meskas txo cov kev hloov pauv rwb thaiv tsev ntawm cov kav dej los ntawm 2x / xyoo mus rau 1x / 6 xyoo.​

Vim li cas ho xaiv peb?

Peb kho cov cib raws li koj xav tau: kho cov ntsiab lus Al₂O₃ (40% rau qhov kub nruab nrab, 75% rau qhov kub siab heev), qhov loj me, thiab qhov ceev. Txhua yam ua tau raws li cov qauv ASTM/CE/JIS, kom ntseeg tau tias ua raws li thoob ntiaj teb. Tau txais 2-3 cov qauv dawb los sim, thiab peb cov engineers muab kev ntsuam xyuas ntawm qhov chaw.

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