Method and apparatus for reducing hammermill slugging for livest

Details Method and apparatus for reducing hammermill slugging for livest Method and apparatus for reducing hammermill slugging for livest

1975-07-10

1977-07-05

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Processes

Subjecting material to impact by moving comminuting surface

241 73, 2411017, 241189R, B02C 1313

Patent

active

040335151

ABSTRACT:
Reduction or loss of rotary hammermill grinding action for a tub grinder is prevented by effectively extending the surface of the floor of the tub grinder across the gravity feed opening for the hammermill chamber area. In one form, the floor extension includes a plurality of relatively narrow cross-bars which extend completely across the chamber opening in the floor so as to block relatively heavy or dense clumps of unground feed from resting on the hammermill discs or jamming between the hammermill and its chamber sidewalls. The pivoted hammers are permitted to rotate in an arc extending above the cross-bars. In another form, the tub floor extension is formed by a multiplicity of generally triangular shaped members which extend from the feed side of the opening across the opening with sufficient distance to prevent jamming against the hammermill discs while providing sufficient vertical support to allow initial grinding of such dense clumps by the pivoting hammermill hammers. An additional improvement feature employs a deflection plate on the opposite side of the hammermill opening to redirect ground feed materials impelled upwardly out of the aperture in a direction so that they will be retained by the tub.

REFERENCES:
patent: 3436028 (1969-04-01), Koehnen et al.
patent: 3743191 (1973-07-01), Anderson

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