Leakage prevention apparatus for a classifier

Details Leakage prevention apparatus for a classifier Leakage prevention apparatus for a classifier

1987-04-24

1989-04-04

Reeves, Robert B.

Classifying, separating, and assorting solids

Fluid suspension

Gaseous

209144, 209148, 209154, B07B 402, B07B 700, B07B 1106

Patent

active

048183768

ABSTRACT:
In a classifier including a rotary disc provided on a lower end of a vertical rotary shaft depending from the top of a hopper-type casing, a horizontal dispersing disc is provided directly below the top of the casing, a circular collision plate is spaced from the outer circumference of the horizontal dispersing disc, and a plurality of vortex adjusting members are secured at their upper ends to the horizontal dispersing disc and at their lower ends to the rotary disc, and a leakage prevention apparatus is provided which comprises a plurality of dispersing and classifying vanes spaced from the outside of the vortex adjusting members and the inner sides of the collision plate. The dispersing and classifying vanes depend from the under surface of the horizontal dispersing disc for an appropriate length. Furthermore, the leakage prevention apparatus can also comprise a ring for preventing the introduction of coarse powder which is provided on the outer circumference of the horizontal dispersing disc, the ring depending from the under surface of such horizontal dispersing disc for an appropriate length.

REFERENCES:
patent: 2790550 (1957-04-01), Doyle et al.
patent: 3237766 (1966-03-01), Humphreys
patent: 4296864 (1981-10-01), Misaka et al.
patent: 4551241 (1985-11-01), Saverse et al.
patent: 4626343 (1986-12-01), Folsberg

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