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Coal Explosion In Pulverizer

coalfired power plant burner isolation valve,one of the most severe problems is the regurgitation of hot furnace gases or a boiler explosion moving backwards through the transfer pipes. because of the process and volatility of pulverized coal, explosions can happen within the boiler feed system and flow backward as far as the conveyer therefore, the use of a gate or a valve on the transfer pipes is necessary to prevent the gases or.ep0132974a2 safety systems for coal pulverizers google,a safety control system for a coal pulverizer utilizes signals 20,22 representing net oxygen and carbon monoxide measurements of the pulverizer atmosphere. a signal 50 representing the rate of carbon monoxide change is derived form the signal 22 by a derivative controller 48. the signals 20,50 representing the net oxygen measurement and rate of carbon monoxide change are compared in.

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