Integrated heat exchanger

Details Integrated heat exchanger Integrated heat exchanger

1991-08-05

1992-06-23

Davis, Jr., Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Solid fluent heat exchange material

122 4D, 165140, 432 83, F28C 316

Patent

active

051234807

ABSTRACT:
An integrated, vertical tube heat exchanger for use with a plurality of heat transfer mediums including fluidized solid particulates and hot gaseous products of combustion includes a plurality of vertically extending spaced apart, tubes for containing water/steam flow in close heat transfer relationship with the walls of the tubes. A unitary and compact containment housing is provided around a bank of said vertical tubes for directing a generally lateral flow of fluidized solid particulates moving through a first heat exchange chamber formed around the exterior surface of lower portions of the tubes. A gas plenum chamber is provided adjacent a first end of the lower heat exchange chamber for directing fluidizing gas into the solid particulates in the chamber. The housing is provided with a dividing wall forming a second heat exchange chamber that is separate from and operationally independent of the first heat exchange chamber. The second chamber utilizes hot products of combustion as a heat exchange medium for giving up heat to the vertically upwardly flowing fluid in the bank tubes.

REFERENCES:
patent: 2204447 (1940-06-01), Samans
patent: 3147084 (1964-09-01), Franzen et al.
patent: 3763830 (1973-10-01), Robison et al.
patent: 4371033 (1983-02-01), Stendahl

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