Distillation: apparatus – Apparatus – Systems
Patent
1983-07-20
1985-08-20
Sever, Frank
Distillation: apparatus
Apparatus
Systems
159DIG32, 159DIG41, 202235, 202267R, B01D 302
Patent
active
045362564
ABSTRACT:
A solvent recovery apparatus including a housing having an open top tank therewithin for receiving a flexible bag. A bag holder member is removably mounted within the bag, and the holder member shapes the bag to hold it in an open condition for receiving dirty solvent directed into the tank. The holder member urges the upper edge of the bag against the inner surface of the tank so that substantially no solvent can migrate into the space between the bag and the tank. The tank has a space for receiving heating oil below a bottom thereof so that heat can be imparted to the contents of the bag to evaporate the solvent therewithin. Baffle structure in the oil causes the oil to circulate as the oil is heated by a resistance heater in the space. A quench coil below the bottom of the tank and above the oil receives a coolant for heating the liquid and solid contaminants left in the bag after evaporation of the solvent to minimize the delay in waiting for the contaminants to cool before removing the bag from the tank. A reservoir adjacent to the tank receives clean solvent in liquid form and has a cooling coil therewithin to inhibit any tendency for the solvent to evaporate in the reservoir.
REFERENCES:
patent: 3127300 (1964-03-01), Maggio
patent: 3890988 (1975-06-01), Lee
patent: 4052267 (1977-10-01), McFee
patent: 4320699 (1982-03-01), Binks
Recyclene Products, Inc.
Sever Frank
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