Biaxial vent extruder

Details Biaxial vent extruder Biaxial vent extruder

1979-05-22

1981-04-07

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

With specified vent means

366 76, 366 85, 366139, 366143, 366301, B29B 110

Patent

active

042602645

ABSTRACT:
A biaxial vent extruder for processing of slurry-like waste fluids or radioactive waste fluids having a hopper cylinder having a solidifying substance port and a solidified substance port. A plurality of vent cylinders each having a vent port are provided with a plunger type scraper. An extruding cylinder having a single opening for a main screw is connected to the assembled vent cylinders. The main screw extends to the upstream end of the extruding cylinder and a sub-screw extends to the extruding cylinder. The screws each having a full flight engaging the other and a set of rings are mounted on the screws near the respective vent port inlets. The screws are rotated in different directions and inwardly with respect to the vent ports. Rotors may be mounted on the screws to break down solid particles.

REFERENCES:
patent: 3749374 (1973-07-01), Buchheit
patent: 3749375 (1973-07-01), Hermann
patent: 3917507 (1975-11-01), Skidmore
patent: 4107787 (1978-08-01), Ocker

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