Accessory device for removing solvent vapor in machines for dry

Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor

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34 76, 34 77, 68 18C, 62199, F26B 2106

Patent

active

044943172

ABSTRACT:
Disclosed herein is a device that comprises a refrigeration plant with two distinct evaporators, one parallel with the other, which can be supplied separately to suit the operating cycle of the dry cleaning machine on which the device is mounted and are housed in a corresponding first and a corresponding second jacket.
The first jacket is placed in a closed circuit through which passes a forced circulation of liquid and in which is provided the nest of tubes belonging to the condenser mounted in the closed drying circuit of the machine. Heat is given to the said liquid by the solvent vapor and water which, as they pass across the condenser, are cooled and condensed, and the liquid is cooled by the evaporator housed in the first jacket.
Jointly with the deodorizing circuit of the said machine, the second jacket defines a closed circuit; the evaporator concerned cools the air-solvent vapor-water mixture that circulates in the said closed circuit, and this allows the condensation to take place of the said vapor and renders possible the recovery of the solvent contained therein.

REFERENCES:
patent: 2133949 (1938-10-01), Buchanan
patent: 2466460 (1949-04-01), Marshall
patent: 2726658 (1955-12-01), Chessey
patent: 3807948 (1974-04-01), Moore
patent: 4370816 (1983-02-01), Zambelli

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