The Boiler Water Shortage accident
1, the boiler water shortage phenomenon
 
⑴ the water level below the lowest safe water line, or can not see the water level, water level the table glass tube (board) on white.
 
(2) two-color water level gauge was all vapor indicate color.
 
⑶ the high and low water level alarm low water alarm signal.
 
⑷ interlock device of the low water level, the water level below the specified value of the blower, induced draft fan, grate reducer motor stops running.
 
⑸ superheater steam temperature has risen sharply higher than normal export steam temperature.
 
⑹ boiler flue gas temperature increases.
 
⑺ water flow is less than the steam flow, should water shortages due to the breakdown of the furnace tube or pipe economizer, the opposite phenomenon.
 
⑻ water shortage is serious, you can smell the burnt smell.
 
⑼ water shortage is serious, can be seen from the door of the red-hot water wall tube.
 
⑽ water shortage is serious, the tube may rupture, this case can be heard blasting sound, steam and flue gas from the furnace door, watching the fire door at the spray.
 
2, treatment of boiler water shortage
 
⑴ by called water ", and sentenced to severe water shortages, emergency shutdown, non-blind to the boiler feed water.
 
Slight water shortage (2) through the waters to be ruled, should reduce fuel blast, cited wind and slow water supply