Chemistry: physical processes – Physical processes – Agglomerating
Patent
1977-01-26
1978-10-31
Silbaugh, Jan H.
Chemistry: physical processes
Physical processes
Agglomerating
264117, 366159, 366319, 366322, 366323, 366325, 425222, B01F 704, B01F 708, C09C 158
Patent
active
041232267
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 at least 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 cyclindrical 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 at least a portion of the mass being pelleted.
REFERENCES:
patent: 1496807 (1924-06-01), Bullock
patent: 2803038 (1957-08-01), Holland et al.
patent: 3652064 (1972-03-01), Lehnen et al.
patent: 3852399 (1974-12-01), Rothbuhr et al.
patent: 4026530 (1977-05-01), Kavera et al.
Phillips Petroleum Company
Silbaugh Jan H.
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