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Research of Pulverized Coal Deposition Measurement in the Pneumatic Conveyor

Author: ZhangZhiPeng
Tutor: DuanQuanSheng
School: North China Electric Power University (Beijing)
Course: Detection Technology and Automation
Keywords: Pneumatic conveying pipeline Pulverized coal deposition Sensor Measuring Capacitance method Capacitance value
CLC: TP274
Type: Master's thesis
Year: 2011
Downloads: 34
Quote: 0
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Abstract


The safe operation of the boiler is an important guarantee of the thermal power , and the many factors that affect this study pneumatic conveying pipeline pulverized coal deposition condition detection is one . To to avoid pneumatic conveying pipes get clogged or the corresponding burner flameout accident in pneumatic conveying pipeline pulverized coal deposition conditions appear onset beginning able to detect and alarm signal is very important . Full grasp of the art on the basis of this paper, the method can be applied to engineering survey . This method is based on the multi - plate capacitive sensor , there is proposed a new capacitance output signal acquisition method , the deposition thickness of the pulverized coal When sensor bottommost two electrodes and other arbitrary two adjacent electrodes of the capacitor of the output signal of difference is greater than the calibration corresponding to the capacitance value of the threshold value , then can determine within the pulverized coal in the pneumatic conveying pipe deposition , the alarm signal, the signal processing system prompts the operating personnel to take timely adjustment measures, to avoid the pneumatic conveyor pulverized clogging accident appears .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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