Comminuting screen for hammermills

Details Comminuting screen for hammermills Comminuting screen for hammermills

1996-08-01

1997-12-02

Husar, John M.

Solid material comminution or disintegration

Apparatus

With separation or classification of material

241 88, 241 892, 2411891, B02C 1304, B02C 13284

Patent

active

056926880

ABSTRACT:
A hammermill having a polygon profile screen which provides for improved hammer impact and crushing efficiency. Particles in the working zone of the hammermill tend to be accelerated in the direction of hammer rotation. This acceleration lessens the speed differential between the hammer and the particle, which lessens the impact force and crushing efficiency. The polygonal screen inhibits this acceleration of particles in the working zone, due to flow interruptions caused by its irregular shape, thus increasing the particle-to-hammer speed differential and crushing efficiency.

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patent: 5192029 (1993-03-01), Harris
patent: 5364038 (1994-11-01), Prew
patent: 5503338 (1996-04-01), Thom, Jr.

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