宝钢集团 | 宝钢技术2011年 关键词：COREX; 竖炉; 煤气反窜 [gap=1354]Key words：COREX; reduction shaft; down pipe gas(DPG)
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This paper introduces present situation and ways of utilization of powdered coal ash in our country.
介绍了我国粉煤灰利用的现状及目前粉煤灰利用的方法。
The comprehensive utilization condition of powdered coal dust is introduced, and the effect is that the pollution of the environment is reduced.
介绍了对粉煤灰的综合利用情况，减少了粉煤灰对环境的污染，收到了良好效果。
Powdered coal ash seriously pollutes the environment, Occupies a great quantity of soils, therefore it is imperative to comprehensive utilization.
粉煤灰严重污染环境，占用大量土地，综合利用势在必行。
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