Bed drain cover assembly for a fluidized bed

Details Bed drain cover assembly for a fluidized bed Bed drain cover assembly for a fluidized bed

1981-08-10

1982-11-09

Yuen, Henry C.

Furnaces

Refuse incinerator

Refuse suspended in or supported by a fluid medium

432 58, 122 4D, 34 57A, 414147, F23G 504

Patent

active

043578837

ABSTRACT:
A loose fitting movable cover plate (36), suitable for the severe service encountered in a fluidized bed combustor (10), restricts the flow of solids into the combustor drain lines (30) during shutdown of the bed. This cover makes it possible to empty spent solids from the bed drain lines which would otherwise plug the piping between the drain and the downstream metering device. This enables use of multiple drain lines each with a separate metering device for the control of solids flow rate.

REFERENCES:
patent: 611516 (1898-09-01), Sedlmayer
patent: 1482677 (1924-02-01), Dunten
patent: 3411465 (1968-11-01), Shirai
patent: 3769922 (1973-11-01), Furlong et al.
patent: 3910235 (1975-10-01), Highley
patent: 4009121 (1977-02-01), Luckenbach
patent: 4103646 (1978-08-01), Yerushalmi et al.
patent: 4159682 (1979-07-01), Fitch et al.
patent: 4227488 (1980-10-01), Stewart
patent: 4312302 (1982-01-01), Kollerup

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