Heat exchanger with concentric tubes

Details Heat exchanger with concentric tubes Heat exchanger with concentric tubes

1997-04-14

1999-08-24

Bennett, Henry

Drying and gas or vapor contact with solids

Apparatus

With fluid current conveying of treated material

34578, 16510416, F26B 1700

Patent

active

059409878

ABSTRACT:
A heat exchanger particularly for use in fluidized-bed driers, includes at least one supply pipe and one discharge pipe for the heat transfer fluid, and at least one heat exchange tube carrying the heat transfer fluid. In order to make the heat exchanger tubes easily accessible and to ensure that the distribution and drainage system for the heat transfer fluid affects the flow through the heat exchanger as little as possible, each heat exchanger tube is connected to the supply pipe for heat transfer fluid at one end and is closed at the other end. Each heat exchange tube includes an inner outlet tube pipe with a smaller diameter, which has at least one opening at the closed end of the heat exchanger pipe and an opposite end connected to a drainage discharge pipe for receiving the heat transfer liquid.

REFERENCES:
patent: 3833051 (1974-09-01), Frank
patent: 3982901 (1976-09-01), Steever et al.
patent: 4072189 (1978-02-01), Chaix et al.
patent: 4290387 (1981-09-01), De Feo et al.
patent: 4431049 (1984-02-01), Zamma et al.
patent: 4452233 (1984-06-01), Goodman, Jr. et al.
patent: 4699210 (1987-10-01), Brannstrom
patent: 5251691 (1993-10-01), Collin et al.

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