PRODUCTION OF HEATED COAL CHARGE FOR COKE OVEN
PURPOSE: To solve the problem with a fine coal powder in a coke production process wherein coal is heated to 350-450 deg.C before being charged into a coke oven. CONSTITUTION: In a production process of a heated coal charge for a coke oven wherein a coal charge comprising caking coal and non-slightl...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE: To solve the problem with a fine coal powder in a coke production process wherein coal is heated to 350-450 deg.C before being charged into a coke oven. CONSTITUTION: In a production process of a heated coal charge for a coke oven wherein a coal charge comprising caking coal and non-slightly-caking coal is heated to 350-450 deg.C, charged into a coke oven, and carbonized, first, the coal charge is heated to 250-350 deg.C and classified into a fine powder having a particle size of 0.3mm or lower and a coarse powder having a particle size higher than 0.3mm and then the fine powder is heated to 350-450 deg.C, molded, mixed with the coarse powder, and charged into a coke oven. |
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