Shaft arrangement for thermal and/or material transfer processes

Details Shaft arrangement for thermal and/or material transfer processes Shaft arrangement for thermal and/or material transfer processes

1987-06-11

1988-08-16

Yuen, Henry C.

Heating

Shaft type

Having combustion products generated in or fed to shaft

432 99, 432 98, 432101, F27D 108

Patent

active

047641070

ABSTRACT:
An apparatus for gas/solids exchange has a column having a plurality of vertically spaced grates on which the granular solids can form beds to be traversed by the gas. Each grate is provided in a grate plane by a plurality of fixed grate bars interdigitated with movable grate bars forming a planar unit which can be displaced by a controller out of the grate plane to allow the granular solids on the respective grate to trickle downwardly uniformly over the cross section of the column onto the next lower grate.

REFERENCES:
patent: 1533572 (1925-04-01), Richards
patent: 2948521 (1960-08-01), Heiligenstaedt
patent: 2996292 (1961-08-01), Graf et al.
patent: 3955915 (1976-05-01), Buchner
patent: 4334859 (1982-06-01), Minegishi et al.

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