Mixing device and method

Details Mixing device and method Mixing device and method

1994-12-27

1996-05-21

Simone, Timothy F.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

366294, 366296, 366 2, 241 4617, B01F 716

Patent

active

055183123

ABSTRACT:
Mixing material around an inner agitator in a mixing vessel is urged upward and outward by rotating the inner agitator in one direction. Simultaneously, mixing material around or adjacent an outer agitator is urged downward and inward by rotating the outer agitator in the opposite direction. Consequently, the mixing materials urged upward and downward are caused to be circulated by convection in the mixing vessel and the mixing materials urged outward and inward are caused to collide between the inner and outer agitator, thus forming a high-pressure region between the inner and outer agitator. The mixing materials are mashed in the high-pressure region and well mixed in a short time at high efficiency without being agglutinated to the inner agitator.

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patent: 4789244 (1988-12-01), Dunton et al.
patent: 4795263 (1989-01-01), Kaga
patent: 4801630 (1989-01-01), Chow et al.
patent: 5102229 (1992-04-01), Wada et al.
patent: 5213415 (1993-05-01), Saeki

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