G - Physics – 01 – G
Patent
G - Physics
01
G
354/28
G01G 11/00 (2006.01) G01G 11/12 (2006.01) G05D 7/06 (2006.01) G06G 7/48 (2006.01)
Patent
CA 1191612
ABSTRACT A system for generating a dry coal weight signal is provided, wherein the moisture content of a coal feed to a solid fuel burner is determined, and the dry coal weight calculated on that basis. Moisture content is determined by measuring density of the coal being fed and/or the torque required to drive a head pulley about which the belt feeding the coal is led at a constant velocity. The dry coal weight signal can be communicated to the drive means, whereby the belt speed is accelerated or decelerated to maintain a constant supply of coal, on a dry weight basis, to the boiler. Also disclosed is a control system employing the dry coal weight signal for a plurality of control functions.
440780
Borden Ladner Gervais Llp
General Signal Corporation
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