Mixing device with internal recycle

Details Mixing device with internal recycle Mixing device with internal recycle

1978-06-15

1980-05-13

Jenkins, Robert W.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

366321, 366322, 366323, B01F 704, B01F 708

Patent

active

042026369

ABSTRACT:
In a mixing device adapted to mix materials flowing therethrough from an inlet end to an outlet end in which there are provided agitating elements as on a rotating shaft, there is provided an internal recycling means to impel a portion of the material, flowing from the inlet end toward the outlet end, countercurrently to the main flow, i.e., toward the inlet end to effect an in situ recycle. There is disclosed a pelleting apparatus having a horizontally-disposed substantially cylindrical shell, a rotating, pin-equipped shaft, inlet and outlet means for feeding material to be pelleted and pelleting liquid into and through the device, the shaft having mounted thereon, at least over a length thereof, at least one reverse-flight or blade adapted to cause motion toward the inlet end of the device of a portion of the mass being pelleted.

REFERENCES:
patent: 567509 (1896-09-01), Reitz
patent: 900787 (1908-10-01), Schreck
patent: 2626856 (1953-01-01), Alles
patent: 2944292 (1960-07-01), Norrhede
patent: 3309736 (1967-03-01), Rodenacker
patent: 3421740 (1969-01-01), Behrens
patent: 4061316 (1977-12-01), Austin
patent: 4103354 (1978-07-01), Gorbaton

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