高温旋风除尘器在锅炉烟气除尘中的应用

锅炉烟气经省煤器后进入SCR脱硝催化剂反应器脱除氮氧化物,为了防止烟气中的粉尘对催化剂的危害,提高催化剂的使用寿命,保证烟气脱硝的高效运行。在省煤器之后加上高温烟气除尘器,废气经除尘后达到了目的,而且最大程度地减少了热量损失,实践证明此项改造是成功的。本文探讨了如何进行高温烟气除尘器的设计,并介绍了高温多管陶瓷旋风烟气除尘器的结构。

Application of High Temperature Cyclone in the Dust of the Boiler Flue Gas

The nitrogen oxides of boiler flue gas were removed in the SCR DeNOx catalyst reactor after the economizer,and dust was harm to the catalyst and can shorten the life of catalyst.Dust wiper can be installed after high temperature flue gas economizer to ensure the efficient operation of flue gas denitrification and to minimize the heat loss,and the technology was proved to be successful.How to design high temperature gas filter was discussed,and structure of the high-temperature gas cyclone dust collector of ceramic multi-tube was introduced.