Pneumatic control system for grinding mill

Solid material comminution or disintegration – Apparatus – With automatic control

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Details

241135, 241143, B02C 2500

Patent

active

045724415

ABSTRACT:
A mill for grinding farinaceous seeds into flour comprises a pair of counterrotating cylinders to which seeds to be ground are fed from a hopper with the aid of a transport roller. A float inside the hopper detects the level of a supply of seeds present therein and, via a pneumatic controller, varies the position of a curved cover plate confronting the transport roller in order to change the width of the intervening gap in conformity with the seed level. When the float descends to a minimum level, the gap is closed completely and the cylinders, arrested together with the transport roller, are separated from each other.

REFERENCES:
patent: 4442980 (1984-04-01), Oetiker et al.

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