Particle separator

Details Particle separator Particle separator

1988-10-26

1990-04-03

Hajec, Donald T.

Classifying, separating, and assorting solids

Stratifiers

With liquid treatment

209141, 209158, 209443, 209446, 209471, 209474, 209487, B03B 400, B07B 400

Patent

active

049138073

ABSTRACT:
Method and apparatus (10) are provided for separating and classifying particles (48,50,56) by dispersing the particles within a fluid (52) that is upwardly flowing within a cone-shaped pipe (12) that has its large end (20) above its small end (18). Particles of similar size and shape (48,50) migrate to individual levels (A,B) within the flowing fluid. As the fluid is deflected by a plate (42) at the top end of the pipe (12), the smallest particles are collected on a shelf-like flange (40). Ever larger particles are collected as the flow rate of the fluid is increased. To prevent particle sticking on the walls (14) of the pipe (12), additional fluid is caused to flow into the pipe (12) through holes (68) that are specifically provided for that purpose. Sticking is further prevented by high frequency vibrators (70) that are positioned on the apparatus (10).

REFERENCES:
patent: 698293 (1902-04-01), Kimball
patent: 934441 (1909-09-01), Hitchcock
patent: 1948140 (1934-02-01), Strohl
patent: 2683685 (1954-07-01), Matheson
patent: 3102092 (1963-08-01), Heath et al.
patent: 3121593 (1964-02-01), McIlraine
patent: 3269189 (1966-08-01), Monk
patent: 3869903 (1975-03-01), Beach et al.
patent: 4102780 (1978-07-01), Sun et al.

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