| 电厂煤粉粒径、浓度和速度的在线测量技术研究 |
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| 引用本文： | 蔡小舒,潘咏志,吴伟亮,欧阳新,苏明旭,俞基安,胡杰.电厂煤粉粒径、浓度和速度的在线测量技术研究[J].动力工程,1999,19(6):466-470. |
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| 作者姓名： | 蔡小舒 潘咏志 吴伟亮 欧阳新 苏明旭 俞基安 胡杰 |
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| 作者单位： | 1. 上海理工大学动力工程学院，上海200093
2. 浙江北仓发电厂，宁波315800 |
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| 摘 要： | 电厂煤粉管道的运行状况对电厂的安全经济运行有一定的影响，但缺少有效的在线监测手段。该文介绍了结合光脉动法和相关测速法同时在线测量煤粉粒径、浓度和速度的技术和装置。
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| 关 键 词： | 电厂 煤粉 在线测量 光脉动法 相关测量法 |
| 文章编号： | 1000-6761(1999)06-0466-05 |
A Study of On-line Measurement Technology for Size, Concentration and Velocity of Pulverized Coal |
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| CAI Xiao shu ,PAN Yong zhi ,WU Wei liang ,OUYANG Xing ,SU Ming xue ,YU Ji an ,HU Jie.A Study of On-line Measurement Technology for Size, Concentration and Velocity of Pulverized Coal[J].Power Engineering,1999,19(6):466-470. |
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| Authors: | CAI Xiao shu PAN Yong zhi WU Wei liang OUYANG Xing SU Ming xue YU Ji an HU Jie |
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| Affiliation: | CAI Xiao shu 1,PAN Yong zhi 1,WU Wei liang 1,OUYANG Xing 1,SU Ming xue 1,YU Ji an 2,HU Jie 2 |
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| Abstract: | The operation condition of pulverized coal pipe in power plant is of affecting the safety of the unit. However, there are few methods for on line measurement of the pulverized coal. This paper presents the on line measurement of size, concentration and velocity of pulverized coal with light fluctuation and correlation method. An experimental set up was developed based on the theoretical study. Experiments in laboratory and in situ show that size, concentration and velocity of pulverized coal in different pipe from a mill are different. The size of pulverized coal in an abnormal running pipe is much larger than it is in a normal running pipe. The reason of blocking the pulverized coal pipe is too large size of pulverized coal. Figs 5, tables 4 and refs 7. |
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| Keywords: | power plant pulverized coal on line measurement light fluctuation correlation method |
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