Imp mill having adjustment means

Details Imp mill having adjustment means Imp mill having adjustment means

1979-07-23

1981-06-23

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Rotary striking member with feed or discharge conveyor or...

241188R, B02C 13286, B02C 13288

Patent

active

042746019

ABSTRACT:
An imp mill having adjustment means, which is particularly suited for the fine and medium-fine grinding of softer non-metallic minerals and coal. The subject imp mill includes a housing that defines a grinding chamber having an inlet and an outlet. A multiplicity of swing-hammers are suitably mounted on a rotatable shaft for rotation within the grinding chamber whereby the swing-hammers are operable to effect the grinding of material located within the grinding chamber. The aforesaid shaft passes through the grinding chamber substantially at the center thereof and is externally driven by a suitable drive means. The imp mill further includes inlet means suitably supported on the housing so as to communicate with the inlet of the grinding chamber. The inlet means is operable to supply to the interior of the grinding chamber the material to be ground therein. There is also provided outlet means suitably supported on the housing so as to communicate with the outlet of the grinding chamber. The outlet means is operable to effect the discharge of the ground material from the grinding chamber. An adjustment means is suitably supported for relative movement within the outlet means at the entrance thereof such that the adjustment means is located in juxtaposed relation to the outlet of the grinding chamber. The degree of fineness to which the material is ground in the grinding chamber can be adjusted by varying the relative position of the adjustment means, while the mill is in operation.

REFERENCES:
patent: 1603520 (1926-10-01), Crites et al.
patent: 1765309 (1930-06-01), O'Neill
patent: 1767921 (1930-06-01), Gately
patent: 3490705 (1970-01-01), Ruckstuhl

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