Method of operating a material bed roll mill
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United States of America Patent
Stats
-
Jan 24, 1995
Grant Date -
N/A
app pub date -
May 24, 1993
filing date -
Jun 17, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to the comminution of brittle material for grinding in a material bed roll mill with two grinding rolls, in which the material for grinding is comminuted between the cylindrical surfaces of the grinding rolls by the application of a grinding force. In order to prevent damage to the roll surfaces due to excessively high surface pressures but to utilise the maximum capacity without exceeding it, the roll surface pressure is continuously monitored and when an upper limit is exceeded the pressure is reduced to a permissible value by reducing the grinding force.
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