300MW机组脱硫系统运行中出现的问题及其处理方法

The problems and treatment methods of desulphurization system operation in the 300MW unit

对哈尔滨热电有限责任公司300MW机组脱硫系统运行中出现的烟气-烟气再热器(GGH)压差大、石膏脱水困难、脱硫效率不稳定问题进行了分析,提出了解决方案和处理方法,以保证脱硫系统正常运行。

In this article the problems, which include larger pressure drop of gas - gas heater （ GGH ） , difficulty for gypsum dewatering, unsteady efficiency of desulphurization, occurred in the 300 MW unit desulphurization system operation of Harbin Thermoelectric Corporation Limited were analyzed, the solving plan and treatment methods were proposed to guarantee the desulphurization system operating normally.