What are the causes and treatment methods for the slugging of the circulating fluidized bed boiler?
The causes for the slugging of the circulating fluidized bed boiler
1) The screening range of bed feed particles is too narrow and there are too many large particles.
2) The ratio of bed height to bed diameter (or width) is too large.
3) The running air speed is too high.
4) The design of the air distribution device is unreasonable. To be specific, too large hood's small holes diameter or pitch, and uneven air distribution can result in too large air bubbles or uneven distribution.
The treatment methods for the slugging of the circulating fluidized bed boiler
1) Increase the proportion of small particles
2) Reduce the air volume appropriately
3) Reduce the thickness of feed layer
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