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SYSTEM FOR GENERATING DRY COAL WEIGHT SIGNAL FOR COAL FEEDER AND CONTROL SYSTEM BASED THEREON
SYSTEM FOR GENERATING DRY COAL WEIGHT SIGNAL FOR COAL FEEDER AND CONTROL SYSTEM BASED THEREON
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机译:给煤机干煤重量信号生成系统及基于该系统的控制系统
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摘要
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.
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