Furnace temperature control method for a fluidized bed combustio

Details Furnace temperature control method for a fluidized bed combustio Furnace temperature control method for a fluidized bed combustio

1990-12-11

1991-12-17

Favors, Edward G.

Liquid heaters and vaporizers

Miscellaneous

122 6A, 16510416, 165 1, B09B 300, F22B 100

Patent

active

050726960

ABSTRACT:
A fluidized bed combustion method in which a recycle heat exchanger is located adjacent the furnace of the combustion system. A mixture of flue gases and entrained particulate materials from a fluidized bed in the furnace are separated and the flue gases are passed to a heat recovery section and the separated particulate material are passed back to the furnace. The walls of the furnace are formed by water tubes, and refractory metal material is placed adjacent the walls to control the heat absorption by the water passing through the tubes. The amount of refractory is selected in accordance with the desired operating temperature of the furnace.

REFERENCES:
patent: 4548162 (1985-10-01), Palkes
patent: 4936230 (1990-06-01), Feugier et al.

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