Abstract：A Venturi flow meter was designed to accurately measure the mass flow rate of pulverized coal in power plant pipelines. Numerical simulations of the dilute turbulent gas-solid two-phase flow in a horizontal Venturi tube were used to study the effects of Venturi tube geometry on the pressure distribution in the mixture. The results show that Venturi tube geometry strongly influences the metering of the dilute gas-particle two-phase flow. The geometry can be optimized to improve the precision of the measurement and ensure stable measurements. Furthermore, the geometries of three types of Venturi tubes were optimized for an experimental study of pulverized coal mass flow rate measurements.
出版日期: 2008-12-05
引用本文:
. Optimization of Venturi tube design for pipeline
pulverized coal flow measurements[J]. Frontiers of Energy and Power Engineering in China, 2008, 2(4): 369-373.
WU Zhansong, XIE Fei. Optimization of Venturi tube design for pipeline
pulverized coal flow measurements. Front. Energy, 2008, 2(4): 369-373.
Fang Yanjun, Li Min, Zhou Hong . An online monitoring system for boiler burning of powerplant. Power Engineering, 1998, 18(6): 47–49 (in Chinese). doi: 10.1109/MPER.1998.1236742
2
Sun Xin, Chen Gang, Zhang Qichang . Control Systems of Pulverized Coal Injection of BlastFurnaces. Beijing: Electrical Industry Press, 1995 (in Chinese)
3
Lee J, Crowe C T . Scaling law for meteringthe flow of gas-particle suspensions through venturis. ASME Journal of Fluids Engineering, 1982, 104(1): 88–91
4
Shaffer F D, Bajuza R A . Analysis of venturi performancefor gas-particle flows. ASME Journal ofFluids Engineering, 1990, 112(1): 121–127. doi:10.1115/1.2909359
5
Wang Wenqi, Hou Ming, Yu Rongxian . Measurement of gas-solid flow rate with an extended-throatventuri tube. J Southeastern Univ, 1989, 19(5): 82–87 (in Chinese)
6
Azzopardi B J . Use of a quasi-one-dimensional model for optimizing a Venturi meterfor gas-solids applications. Proceedingsof 1st International Symposium on Online Flow Measurement of ParticulateSolids, University of Greenwich, UK, 1998 : 99–108
