| 用速度-差压法对送粉管道煤粉浓度测量模型的研究 |
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| 引用本文： | 潘卫国,王启杰,曹绛敏,程澜.用速度-差压法对送粉管道煤粉浓度测量模型的研究[J].仪器仪表学报,1999,20(5):461-463,496. |
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| 作者姓名： | 潘卫国 王启杰 曹绛敏 程澜 |
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| 作者单位： | 上海电力学院,上海,200090 |
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| 基金项目： | 上海市青年科技启明星计划和高等学校科学技术发展基金 |
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| 摘 要： | 基于垂直上升管中气固两相流支时气固质量比与差压和流速之间的理论关系，针对能源工业中电厂锅炉燃烧系统送粉管道进行了速度－差压法测量煤粉浓度的试验研究，得出了相应测量送粉管道中煤粉浓度的数学模型，对其进行了误差分析，并提出了在线检测的实现方法和作用。
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| 关 键 词： | 气力输送管道 煤粉浓度 速度－差压法 在线检测 |
Study on Measurement of the Coal Powder Concentration in Pneumatic Pipes of Boiler with Velocity-pressure Difference Method |
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| Pan Weiguo,Wang Qijie,Cao Jiangmin,Cheng Lan.Study on Measurement of the Coal Powder Concentration in Pneumatic Pipes of Boiler with Velocity-pressure Difference Method[J].Chinese Journal of Scientific Instrument,1999,20(5):461-463,496. |
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| Authors: | Pan Weiguo Wang Qijie Cao Jiangmin Cheng Lan |
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| Affiliation: | Shanghai Institute of Electric Power Shanghai 200090 |
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| Abstract: | Based on the theorical relationship among mass flow rate and pressure difference and velocity in vertical pipe on condition of gas solid flowing upward, the exprimental research on measuring coal powder concentration in pneumatic pipes of boiler's combustion system with velocity-pressure difference method has been developed. with the analysis to the experimental results the mathematical model for measuring the coal powder concentration in pneumatic pipes is obtained, and the error analysis done, as well as a method of on line measurement and its function are provided. |
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| Keywords: | Pneumatic pipes Coal powder concentration Velocity-pressure difference On line measurement |
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