燃料与化工 ›› 2015, Vol. 46 ›› Issue (5): 15-17.

• 煤焦技术 • 上一篇    下一篇

煤调湿除尘劣化原因分析及对策

李勇  李良华  张福行   

  1. 宝钢股份有限公司炼铁厂, 上海200941
  • 出版日期:2015-09-17

Analysis and countermeasures of the causes for deterioration of coal moisture control deduster

Li Yong  Li Lianghua  Zhang Fuxing   

  1. Ironmaking Plant of Baosteel Corporation,Shanghai 200941,China
  • Online:2015-09-17

摘要:

对运转过程中出现的结露、清灰阀垫片频繁损坏、布袋使用寿命短、局部阴燃等除尘劣化问题进行了分析,并采取了使用模瓣式蒸汽套管保温装置,在除尘气包入口增设减压阀,适当加大风量,降低烟气含水率等措施,有效解决了存在的问题。

Abstract:

This paper analyzes the causes for the problems of deduster including dew formation,frequent damage of gasket for dust cleaning valve,reduced service life of filter bag and partial smoldering etc.,and adopts countermeasures including using flap type steam bushing insulation device,adding pressure reducer at inlet of deduster air bag,properly increasing fan flow,reducing emission moisture etc.,which has effectively solved the problems.

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