Heat exchange device of the perforated plate exchanger type with

Details Heat exchange device of the perforated plate exchanger type with Heat exchange device of the perforated plate exchanger type with

1986-06-23

1988-08-09

Lazarus, Ira S.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

277215, 277235R, 277DIG6, F28D 702

Patent

active

047621729

ABSTRACT:
A heat exchange device is provided whose exchange zone is formed of a stack of perforated plates having perforations disposed so that superimposition of the perforations creates flow spaces for at least two fluids at different temperatures, said perforated plates being separated two by two by at least one seal disposed so that each perforation of the plates corresponding to a flow space through which fluid passes is separated from the perforations corresponding to the flow spaces through which a different fluid passes, said stack being kept at a clamping pressure of 2 to 50 bars by means of a plurality of tie-rods passing through it and said seal being formed by an expanded graphite manufactured under such conditions that it has a bulk density of about 200 to 500 kg.m.sup.-3.

REFERENCES:
patent: 1863586 (1932-06-01), Wilke
patent: 2834440 (1958-05-01), Berg
patent: 2893702 (1959-07-01), Richardson
patent: 4333975 (1982-06-01), Booth
patent: 4368779 (1983-01-01), Rojiy et al.
patent: 4435235 (1984-03-01), Atkenson et al.
patent: 4436145 (1984-03-01), Manfredo
patent: 4477094 (1984-10-01), Yamamoto et al.

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