Procedure and mechanism for the automatic control of a grinding mill roller carriage equipped with a regulated product feed
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United States of America Patent
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Apr 17, 1984
Grant Date -
N/A
app pub date -
Nov 9, 1981
filing date -
Apr 11, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention describes a new type of automation for a roller carriage. The amount of product conveyed to the roller carriage is constantly subject to fluctuations, and is determined by a mechanical probe. A corresponding signal directly activates a pneumatic valve, and control pressure adjusts the instantaneous performance of the grinding rolls. The pneumatic valve has a so-called zero position, and becomes a follower control device by means of servo-media and the adjusting mechanism of the performance-dependent elements in the roller carriage. At the same time, the control pressure in the pneumatic valve can start and stop the grinding rolls.
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