Combination filter apparatus for use with a dry cleaning machine

Details Combination filter apparatus for use with a dry cleaning machine Combination filter apparatus for use with a dry cleaning machine

1983-03-08

1985-04-30

Coe, Philip R.

Textiles: fluid treating apparatus

Machines

Combined

68 18F, 34 80, 210409, D06F 4308, B01D 500

Patent

active

045135908

ABSTRACT:
Apparatus for use in a dry cleaning plant having dry cleaning machines using a liquid solvent comprises a plurality of filter cartridge housings, an adsorber containing a bed of activated carbon pellets, a condenser and a solvent-water separator all mounted on a still housing. Valve-controlled conduits are provided for selectively circulating solvent through filter cartridge in said cartridge housings, draining the filter cartridges, connecting cartridge housings to the adsorber to desorb filter cartridges, supplying steam to cartridge housing to strip filter cartridges of solvent, passing air containing solvent vapor through the adsorber to remove the solvent vapor from the air, supplying steam to the adsorber to desorb the carbon bed and supplying steam to a heating coil in the still to distill solvent. Solvent vapor and steam from filter cartridge stripping, desorbing the adsorber, and distillation of the solvent are condensed in the condenser and the resulting condensate flows to the solvent-water separator where the solvent is separated from water.

REFERENCES:
patent: 2114776 (1938-04-01), Davis
patent: 2301803 (1942-11-01), Davis
patent: 2656696 (1953-10-01), McDonald
patent: 2660869 (1953-12-01), McDonald
patent: 2828862 (1958-04-01), Johnson
patent: 3206950 (1965-09-01), Xeros
patent: 3692178 (1972-09-01), Reece

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