Device for measuring the quantity of coal in a ball grinder

Details Device for measuring the quantity of coal in a ball grinder Device for measuring the quantity of coal in a ball grinder

1995-06-23

1999-11-23

Dombroske, George

Measuring and testing

Specific gravity or density of liquid or solid

73628, 73649, G01N 900

Patent

active

059879661

ABSTRACT:
A device for continuously measuring the quantity of coal inside a ball grinder including an ultrasound wave or electromagnetic wave emitter and a wave receiver. The emitter and the receiver are disposed so that the wave passes through at least part of the interior of the grinder. The receiver is associated with an electronic circuit for deducing the quantity of coal by comparing the signal received with data obtained from previous calibration measurements.

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