Waste heat recovery

Details Waste heat recovery Waste heat recovery

1978-10-11

1981-01-20

Marcus, Stephen

Heat exchange

Regenerator

Checker brick structure

122 4D, 165104F, F28D 1300, F26B 1700

Patent

active

042456932

ABSTRACT:
A fixed fluidized particulate solids bed heat recovery vessle or steam generator having indirect heat exchange means within the bed and introduction of a gas containing an entrained solids by way of a spread tube bundle which connects the small diameter gas inlet conduit to the larger diameter bottom section of the fluidized bed to effect even distribution of the gas and entrained solids into the bed and to effect fluidization of the bed. In a preferred embodiment, the total cross-sectional area of the tubes in the tube bundle is at least 90 percent of the cross-sectional area of the inlet conduit so that the gas velocity is sufficient to maintain the solids entrained in the gas, and the upper section of the unit above the fluidized bed converges so that gas velocity is sufficient to maintain solids entrained in the gas being removed from the unit.

REFERENCES:
patent: 3075580 (1963-01-01), Davis, Jr.
patent: 3890935 (1975-06-01), Moss et al.
patent: 4010002 (1977-03-01), Degel et al.
patent: 4097243 (1978-06-01), Bartholic
patent: 4149586 (1979-04-01), Phillips et al.

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