Continuous operation extractor

Details Continuous operation extractor Continuous operation extractor

1978-02-08

1979-07-10

Bascomb, Jr., Wilbur L.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Responsive to liquid level

196 1452, 422261, 422279, B01D 1102

Patent

active

041606477

ABSTRACT:
A continuous-operation extractor for the solvent extraction of low-molecular weight compounds for a solid, e.g. granular polyamide, comprises an upright housing formed internally with vertically extending pipes beneath each of which a steam nozzle opens. Deflectors are provided above the upper ends of each pipe and an overflow conducts the solids downwardly from one extractor stage to the next. A solid inlet communicates with the uppermost extraction stage and is provided with inclined perforated baffles while below the lowermost stage a float-controlled valve regulates the steam inlet.

REFERENCES:
patent: 2037319 (1936-04-01), Fenske et al.
patent: 2132151 (1938-10-01), Fenske et al.
patent: 2150608 (1939-03-01), Olier
patent: 3687819 (1972-08-01), Levin
patent: 3689226 (1972-09-01), Stoddard

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