Fluidized bed combustor distributor plate assembly

Details Fluidized bed combustor distributor plate assembly Fluidized bed combustor distributor plate assembly

1980-10-20

1983-08-23

Yuen, Henry C.

Combustion

Fuel disperser installed in furnace

Disperser feeds into permeable mass, e.g., checkerwork, etc.

431 7, 110245, 432 58, F23D 1900

Patent

active

044001509

ABSTRACT:
A fluidized bed combustor having a distributor plate assembly including an inverted frustopyramidal surface with slots and offset shields thereover to form laterally oriented air flow openings into the combustion chamber from a first plenum for debris particle classification along said surface. At the bottom of each frustopyramidal surface is an outlet for classified debris. Air flow riser tubes project up from a second plenum to a position above said surface. Forced air is supplied to the slots and the risers, with means to regulate relative flow to them.
Projecting down from the debris outlets are drop tubes having cooling fins, such tubes connecting to inlets of an auger conveyor. The auger conveyor has a coolant-cooled housing and a coolant-cooled auger.

REFERENCES:
patent: 3198499 (1965-08-01), Stanley
patent: 3397657 (1968-08-01), Tada
patent: 3776150 (1973-12-01), Evans et al.
patent: 3799747 (1974-03-01), Schmalfeld et al.
patent: 3861862 (1975-01-01), Steever et al.
patent: 3881857 (1975-05-01), Hoy et al.
patent: 3914089 (1975-10-01), Desty et al.
patent: 3979038 (1976-09-01), Karlsson
patent: 4171945 (1979-10-01), Lazenby
patent: 4177742 (1979-12-01), Uemura et al.
patent: 4253824 (1981-03-01), Foote

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