Method and apparatus for removing foreign objects from fluid bed

Details Method and apparatus for removing foreign objects from fluid bed Method and apparatus for removing foreign objects from fluid bed

1982-09-20

1983-12-20

Yuen, Henry C.

Furnaces

Refuse incinerator

Refuse suspended in or supported by a fluid medium

110220, 110259, F23G 700

Patent

active

044210388

ABSTRACT:
A foreign object removal system is disclosed including a removal chamber projecting laterally from the combustion chamber of a fluid bed reactor and connected via a downwardly directed pipe to a material flow control plenum chamber which includes means for fluidizing the mixture of inert fluid bed particles and foreign objects at the bottom of the pipe for lateral movement into an air classifier wherein the foreign objects are dropped to a collection tank and the fluid bed particles are carried upwardly by a stream of classifying air to a deentrainment chamber where their velocity is reduced and they are returned to the combustion chamber.

REFERENCES:
patent: 3397657 (1968-08-01), Tada
patent: 3577939 (1971-05-01), Muirhead
patent: 4075953 (1978-02-01), Sowards
patent: 4196676 (1980-04-01), Brown et al.
patent: 4227488 (1980-10-01), Stewart et al.
patent: 4267801 (1981-05-01), Robinson
patent: 4273073 (1981-06-01), Robinson

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