| 粉料气力输送状态在线监测装置研究 |
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| 引用本文： | 张博,王陶,徐立军,闫勇.粉料气力输送状态在线监测装置研究[J].仪器仪表学报,2007,28(11):1999-2002. |
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| 作者姓名： | 张博 王陶 徐立军 闫勇 |
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| 作者单位： | 1. 北京航空航天大学仪器科学与光电工程学院,北京,100083
2. Department of Electronics, University of Kent, Canterbury, Kent CT2 7NT, UK |
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| 摘 要： | 本文描述了一种基于静电感应原理的非侵入式监测装置,可实现粉料输送管道内输送状态的在线监测。该装置通过內嵌于管道内壁的环状静电感应传感器拾取管道中粉料感应的静电信号,经过放大、滤波、整流、逻辑判断,最后分别指示正常输送、有风无粉、管道完全阻塞三种输送状态。
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| 关 键 词： | 粉料 气力输送 在线监测 静电感应 非侵入测量 |
| 修稿时间： | 2007-08 |
On-line monitoring of pneumatic conveyance of particulate solids |
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| Zhang Bo,Wang Tao,Xu Lijun,Yan Yong.On-line monitoring of pneumatic conveyance of particulate solids[J].Chinese Journal of Scientific Instrument,2007,28(11):1999-2002. |
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| Authors: | Zhang Bo Wang Tao Xu Lijun Yan Yong |
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| Abstract: | A non-intrusive electrostatic-inductance-based instrument was proposed and designed for on-line monitoring of pneumatic conveyance of particulate solids. A ring-shaped electrostatic sensor is used to sense the charge carried by the particulates passing through the sensor. The electrostatic signal induced by the ring sensor is amplified, conditioned and rectified to generate a DC signal. The DC signal is then evaluated by a logic unit to indicate the status of pneumatic conveyance within the pipe, i.e. , normal conveying, no solids or full blockage. |
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| Keywords: | particulate solid pneumatic conveyance on-line monitoring electrostatic inductance nonintrusive measurement |
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