METHOD AND APPARATUS FOR BLOWING LARGE AMOUNT OF FUEL THROUGH TUYERE INTO CO-PRODUCTION BLAST FURNACE

摘要

PROBLEM TO BE SOLVED: To cool and protect an inner tube surface (a) of a blow nozzle (1) in a method for blowing a large amount of a fuel through a tuyere of a blast furnace for the purpose of co-production (for producing energy simultaneously).

SOLUTION: In this blowing method, a layer of cooling fluid is formed along the inner tube surface (a) of a blow nozzle (1).

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