Power plant with a fluidized bed combustion chamber

Details Power plant with a fluidized bed combustion chamber Power plant with a fluidized bed combustion chamber

1984-04-20

1985-07-23

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Using special fuel or oxidizer

110263, F02C 326

Patent

active

045302073

ABSTRACT:
A power plant with a combustion chamber (8) with a fluidized bed (14) and a device for adjusting the bed height, comprising a storage container (21) for bed material, the storage container (21) being connected to the combustion chamber (8) by a first conduit (22) for feeding out bed compound from the combustion chamber (8) to the container (21) and a second conduit (23) for returning bed compound from the container (21) to the combustion chamber (8). The storage container (21) is connected, via a conduit (34) with a valve, to a space having lower pressure than the pressure in the combustion chamber (8). The return conduit (23) is connected, via a conduit (67) with a valve, to a pressure gas source (10) having higher pressure than the pressure in the combustion chamber (8). Transport of bed compound from the combustion chamber (8) is achieved by reducing the pressure in the storage container (21). Return transport of bed compound to the combustion chamber (8) is brought about by supplying transport gas to the return conduit (23).

REFERENCES:
patent: 2718754 (1951-06-01), Lewis
patent: 3659559 (1972-05-01), Foldes et al.
patent: 3807090 (1972-12-01), Moss
patent: 4080784 (1978-03-01), Jubb
patent: 4084545 (1978-04-01), Nack et al.
patent: 4103646 (1978-08-01), Yerushalmi et al.
patent: 4419965 (1983-12-01), Garcia-Mallol et al.

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