Liquid purification or separation – Structural installation – Closed circulating system
Patent
1974-09-20
1976-07-20
Granger, Theodore A.
Liquid purification or separation
Structural installation
Closed circulating system
134111, 210416R, B01D 3340
Patent
active
039705609
ABSTRACT:
Apparatus for washing parts such as mechanical parts using a cleaning solvent. A first holding tank containing washing solvent is pressurized causing solvent to flow to a wash area from the first holding tank, and the washing solvent from the washing area is drained into a settling tank arrangement. The settling tank arrangement is a plurality of concentric cylindrical containers positioned one inside another arranged to provide a circuitous path for washing solvent to flow through a series of particulate traps ultimately to a second holding tank. Continuous flow is obtained by providing means for depressurizing the first holding tank and pressurizing the second holding tank, thereby reversing the solvent flow through the system.
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