Cov khoom

Cov Khoom Siv Hluav Taws Xob
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Cov Khoom Siv Hluav Taws Xob

Cov Khoom Siv Hluav Taws Xob

Blast furnace yog ua los ntawm steel phaj thiab lined nrog refractory cib. Lub tshuab hluav taws xob hluav taws xob tau muab faib ua 5 qhov chaw los ntawm sab saum toj mus rau hauv qab: rauv caj pas, lub tshuab ua kom sov lub cev, lub duav rauv, lub plab hauv plab thiab lub tog raj kheej. Vim qhov zoo tshaj plaws technical thiab economic indicators, As blast furnace ironmaking, yooj yim txheej txheem

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Blast furnace yog ua los ntawm steel phaj thiab lined nrog refractory cib. Lub tshuab hluav taws xob hluav taws xob tau muab faib ua 5 qhov chaw los ntawm sab saum toj mus rau hauv qab: rauv caj pas, lub tshuab ua kom sov lub cev, lub duav rauv, lub plab hauv plab thiab lub tog raj kheej. Vim yog cov kev qhia zoo thiab kev lag luam ntawm lub tshuab hluav taws xob hluav taws xob hluav taws xob, cov txheej txheem yooj yim, kev tsim khoom loj, kev ua haujlwm siab, kev siv hluav taws xob tsawg thiab lwm yam zoo, yog li cov qauv no ntawm cov hlau tsim tau suav rau feem coob ntawm lub ntiaj teb tag nrho cov hlau tsim.

 

Lub tshuab hluav taws xob ntau lawm los ntawm sab saum toj ntawm lub cub tawg loaded nrog hlau ore, coke, slagging nrog flux (limestone), los ntawm lub cub tawg yog nyob rau hauv qis ib feem ntawm lub cub tawg raws lub perimeter ntawm cua tshuab mus rau hauv lub preheated cua. Cov pa roj carbon monoxide hauv coke (qee qhov cub tawg kuj tshuab pulverized thee, roj hnyav, roj av thiab lwm yam khoom siv hluav taws xob) sib txuas nrog cov pa oxygen hauv huab cua ntawm qhov kub siab los tsim cov pa roj carbon monoxide thiab hydrogen, thiab cov pa oxygen hauv cov hlau ore raug tshem tawm. nyob rau hauv tus txheej txheem ntawm nce nyob rau hauv lub cub tawg, kom cov hlau yog txo. Cov hlau molten yog tso tawm ntawm lub qhov hluav taws xob hlau. Cov impurities tsis txo qis hauv cov hlau ore thiab limestone thiab lwm cov fluxes sib xyaw ua cov slag, uas yog tawm los ntawm lub slag qhib. Cov roj uas tsim tawm yog tawm los ntawm lub qhov cub sab saum toj, thiab tom qab tshem tawm cov plua plav, nws yog siv los ua roj rau kub moj tej tawg rauv, cua sov rauv, coke cub, boiler thiab lwm yam. Cov khoom tseem ceeb ntawm blast furnace smelting yog npua hlau, thiab cov khoom los ntawm cov khoom siv yog blast furnace slag thiab blast furnace gas.

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