Plate adjustment system

Details Plate adjustment system Plate adjustment system

1981-12-16

1984-05-08

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With automatic control

2412592, B02C 714

Patent

active

044470118

ABSTRACT:
A disc type refiner, for paper pulp processing and the like, is provided with an automatic control mechanism to prevent contact-clashing of the refiner plates on short term losses of feed and to sense the long term losses of feed so as to open the refiner plates before contact-clashing occurs. The control mechanism includes a counter-force-producing means acting in opposition to the refining or attrition force-producing means such that, on either short or long term loss of feed, resistance to plate clashing is provided. Moreover, the counter-force-producing means is monitored and the monitor provides signals to actuate, in cooperation with other control devices, a desired sequence of operative steps to effectuate either the continuation or the discontinuation of the refining operation.

REFERENCES:
patent: 2947485 (1960-08-01), Woodruff et al.
patent: 3323731 (1967-06-01), Asplund et al.
patent: 4073442 (1978-02-01), Virving

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