Fluidized bed combustion system having an improved pressure seal

Details Fluidized bed combustion system having an improved pressure seal Fluidized bed combustion system having an improved pressure seal

1993-07-06

1994-09-20

Favors, Edward G.

Liquid heaters and vaporizers

Miscellaneous

16510416, 422145, 110245, F22B 100

Patent

active

053479548

ABSTRACT:
A fluidized bed combustion system in which a separator receives a mixture of flue gases and entrained particulate material from a fluidized bed in a furnace. A pressure seal valve, in the form of two ducts, connects an outlet of the separator to the furnace for recycling the separated particulate material back to the furnace. A pressure head builds up in one of the ducts and air is introduced to the other duct to dampen pressure fluctuations in the furnace and promote the flow of the particulate material back to the furnace.

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