When the water is full,the BWF should be stopped immediately, then to weak firing and open blowdown and drain valves till the water level returns to normal.

• 满水后应减少给水或及时排水，立即停止锅炉给水，并减弱燃烧，开启排污阀及流水阀，直到水位恢复正常后才关闭。