Method of controlling a bowl-mill crusher

Details Method of controlling a bowl-mill crusher Method of controlling a bowl-mill crusher

1987-10-05

1989-01-10

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 23, 241 24, 241 37, 241119, B02C 2500

Patent

active

047968176

ABSTRACT:
A method of controlling a bowl-mill crusher that has cylinders that remain in one position and roll over a rotating bowl with a predetermined force. Raw coal and primary air are supplied to the crusher and the crushed coal is removed from the crusher along with the primary air through a separator and supplied to burners through a pulverized-coal line. The pressure of the primary air where it enters the bowl-mill crusher is controlled in accordance with load and in a manner so that the pressure of the crushing cylinders against the bowl is decreased in a predetermined manner when the desired load-dependent level is not attained and is increased when the level is exceeded.

REFERENCES:
patent: 4402462 (1983-09-01), Lohnherr

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