Apparatus for effecting heat exchange between a liquid and a par

Details Apparatus for effecting heat exchange between a liquid and a par Apparatus for effecting heat exchange between a liquid and a par

1992-11-20

1994-05-24

Rivell, John

Heat exchange

With first fluid holder or collector open to second fluid

Separate external discharge port for each fluid

165120, 99404, A23L 100, A47J 3700

Patent

active

053140125

ABSTRACT:
Apparatus for heating and/or cooling a particulate material, e.g. vegetables, by heat exchange with a liquid comprises a horizontal tubular chamber of waisted internal cross-section containing a rotatable mesh cylinder having an auger blade corotatable therein. A row of inlets for heat exchange liquid along the bottom of the chamber are connected via external pipe work to a row of outlets for heat exchange liquid at the top of the chamber. Upward flow of heat exchange liquid causes suspension of particulate matter as it is conveyed through the chamber by the auger, thus minimizing rubbing contact on the particulate material. The apparatus includes a heating section defined by inlets A-D, a holding section defined by inlets E to L, and a cooling section defined by inlets M to Q, all within a common chamber. Within each section, each outlet is connected externally to the alphabetically preceding inlet except for the leftmost outlet which is connected to the rightmost inlet. The heating and cooling flows recover heat via a regenerative heat exchanger.

REFERENCES:
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patent: 1993264 (1935-03-01), Duttweiler
patent: 3086444 (1963-04-01), De Back
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patent: 4039024 (1977-08-01), List
patent: 4181072 (1980-01-01), Hirahara
patent: 4353725 (1982-10-01), Hohman et al.
patent: 4444553 (1984-04-01), Christodoulou
patent: 4567941 (1986-02-01), Coppolani et al.

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