Apparatus and method for the concentration of a liquid by evapor

Details Apparatus and method for the concentration of a liquid by evapor Apparatus and method for the concentration of a liquid by evapor

1982-05-07

1984-01-24

Davis, Jr., Albert W.

Heat exchange

Regenerator

Checker brick structure

34 57A, 122 4D, 159 13A, 159 14, 159 49, 159 16R, 159DIG3, 16510416, 165108, 422146, 422145, 422139, F28D 1300

Patent

active

044270534

ABSTRACT:
Concentration of a liquid by evaporation is performed in a heat exchanger having riser tubes for the liquid and a granular mass fluidized by the liquid to occupy the tubes. At their upper and lower ends the tubes open into upper and lower chambers. A hot medium contacts the tubes to transfer heat to the liquid. In order to render this heat exchanger effective for evaporation concentration, means are provided for vapor collection and discharge from the upper chamber, the riser tubes extend above the base of the upper chamber. A return conduit for recirculation of the liquid and granular mass connects the upper chamber to the lower chamber, opening in each case at a lower level than the riser tubes. Supply and discharge connections for the liquid are at levels lower than the upper ends of the riser tubes.

REFERENCES:
patent: 995776 (1911-06-01), Dunn
patent: 2299307 (1942-10-01), Cornell
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patent: 3266556 (1966-08-01), Malek
patent: 3505111 (1970-04-01), Malek
patent: 3514263 (1970-05-01), Malek
patent: 3621905 (1971-11-01), Hedstrom
patent: 3642452 (1972-02-01), Roget et al.
patent: 4035152 (1977-07-01), Yang et al.
patent: 4296800 (1981-10-01), Johnson
patent: 4300625 (1981-11-01), Mikhailov et al.

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