Research on Coal Combustion Ratio of Shasteel 2500m~3 Blast Furnace

【Author】

TAGUCHI Seiji;

【Abstract】

<正>Coal combustion ratio of Shasteel 2500m~3 BF was calculated by OHNO's semi-empirical equation.It was found that the coal combustion ratio is 70-76%when the pulverized coal rate was 150-180kg/t.Unbumed char in dust was also examined by quantitative analysis,which was 0-3.4%.The calculated combustion ratio was consistent with unbumed char content in dust.The unbumed char content would be increased with the coal combustion ratio decreased.

【Keywords】

pulverized coal injection;;coal combustion ratio;;unburned char

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