Pantleg circulating fluidized bed boiler and combustion method u

Details Pantleg circulating fluidized bed boiler and combustion method u Pantleg circulating fluidized bed boiler and combustion method u

1994-05-26

1994-12-06

Favors, Edward G.

Liquid heaters and vaporizers

Miscellaneous

110245, 422145, 422146, F22B 100

Patent

active

053700848

ABSTRACT:
A combustion subsystem with a circulating fluid bed boiler (12) having a pantleg configuration. The boiler includes front (22) and back (24) walls with external fluid bed heat exchangers (48) integral therewith. In addition to the conventional fuel inlets (54) which provide for entry of fuel into the side walls of the boiler through conduits connected to the seal pots (36) of solids recycle cyclones (30), supplemental fuel inlets (63, 66, 70, 72) are provided on the front and back wails of the boiler through the fluid bed heat exchangers or between adjacent fluid bed heat exchangers. The invention improves combustion efficiency in large boilers by reducing the theoretical mixing length within the boiler.

REFERENCES:
patent: 4716856 (1988-01-01), Beisswenger et al.
patent: 4817543 (1989-04-01), Beisswenger et al.
patent: 5215042 (1993-06-01), Beisswenger et al.

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