Aiming at the problems of interlock circuit complex and faults frequent of the origin boiler soot blowing control system for 300MW generation unit, elaborates the necessity of improvement.

• 针对300MW火力发电机组原锅炉吹灰控制系统存在的联锁回路复杂、故障频繁等问题,阐述了对该系统进行改进的必要性。