High temperature heat exchanger

Details High temperature heat exchanger High temperature heat exchanger

1995-02-01

1996-10-29

Rivell, John

Heat exchange

Intermediate fluent heat exchange material receiving and...

Solid fluent heat exchange material

422146, 422145, 422141, F28D 1300

Patent

active

055688349

ABSTRACT:
The heat exchanger includes a hot fluid passage for guiding hot fluid through the heat exchanger, a compartment for containing a fluidized bed, a series of nozzles for forcing particulates from the fluidized bed into the hot fluid, a heat transfer device in contact with the fluidized bed, means for separating particulates from the fluid that has passed through the hot fluid passage, and a return passage for returning separated particulates to the fluidized bed in the compartment. The fluid is guided over the upper surface of the fluidized bed. Air is blown through the series of nozzles to force particulates from the fluidized bed into the fluid in the hot fluid passage where they pick up heat from the fluid, and the particulates then fall back into the bed and transfer heat to the fluidized bed. The heat transfer device removes heat from the fluidized bed and transfers it to a working fluid without being in contact with the hot fluid passage.

REFERENCES:
patent: 2697653 (1954-12-01), Nicholson
patent: 3921307 (1975-11-01), Marek et al.
patent: 4080181 (1978-03-01), Feistel et al.
patent: 4338283 (1982-07-01), Sakamoto et al.
patent: 4545959 (1985-10-01), Schilling et al.
patent: 4971141 (1990-11-01), Kasahara et al.
patent: 5040492 (1991-08-01), Dietz
patent: 5108712 (1992-04-01), Alliston et al.
patent: 5218932 (1993-06-01), Abdulally
patent: 5341766 (1994-08-01), Hyppanen

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