The boiler does not see the burning flame, and the darkening of the furnace may be caused by the following reasons. Please analyze and exclude one by one:
The boiler does not see the burning flame, and the darkening of the furnace may be caused by the following reasons. Please analyze and exclude one by one:
1. Inappropriate use of poor quality coal or air supply
Coal-fired boilers use poor quality coal or gas-fired boilers for improper combustion, especially if the first or second air is improperly deployed, the fire will be extinguished.
2, the load is too low, the combustion is unstable
If the boiler is in a low load state, the combustion is unstable and it is easy to cause the fire to extinguish.
3. Uneven coal-fired coal blending
When the powder is fed, the coal is not evenly distributed, the flame is unstable, or the coal is mixed, the coal is uneven.
4, the furnace negative pressure is maintained too large
5. Problems such as air stop and powder breakage caused by failure of supporting auxiliary equipment
6. The water wall tube is seriously leaked or broken, and a large amount of steam is sprayed into the furnace.
7. Large area of ​​slag in the boiler, causing excessive disturbance in the furnace
8. Oil-fired boilers If the oil contains too much water or the oil supply system fails, the fire will be extinguished.
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