Heat exchanger for cooling a hot process gas

Details Heat exchanger for cooling a hot process gas Heat exchanger for cooling a hot process gas

1999-06-22

2000-11-21

Lazarus, Ira S.

Heat exchange

With protector or protective agent

165154, F28F 902

Patent

active

061489085

ABSTRACT:
A heat exchanger (2) for cooling a hot process gas produced in a process gas generator (1) or a reactor is equipped with several cooling tubes (11), each of which is surrounded by an outer tube (12). Each cooling tube (11) and each outer tube (12) is welded at both ends to one water chamber (13, 14) each for feeding and draining of a cooling medium. The water chamber (13, 14) consists of a solid, strip-shaped piece into which, depending on the number of cooling tubes (11), circular wells (15) are introduced at a certain distance from one another. Each well (15) surrounds a cooling tube (11) and has a diameter equal to or larger than the inside diameter of the outer tube (12). The well (15) has a thin circular floor (16) of slight residual thickness in the area of the tube ends of the cooling tubes (11). A horizontal transfer line (4) carrying the hot process gas is connected to the the process gas generator (1). Each cooling tube (11) is accompanied by a coaxially arranged connecting tube (22) which projects into the cooling tube (11) on the one side and exits from the transfer line (4) on the other.

REFERENCES:
patent: 4026006 (1977-05-01), Moebius
patent: 5025546 (1991-06-01), Gotoh et al.
patent: 5088551 (1992-02-01), Brucher et al.
patent: 5579831 (1996-12-01), Brucher
patent: 5810075 (1998-09-01), Deeke et al.
patent: 5813453 (1998-09-01), Brucher
patent: 5816322 (1998-10-01), Albano et al.
patent: 5826647 (1998-10-01), Engelhardt et al.

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