Study on the characteristics of dense-phase pneumatic conveying of fly ash in long distance

Zongming Liu; Weilin Zhao; Xiansong Li; Hua Yi; Congling Bu

doi:10.1117/12.839076

24 August 2009 Study on the characteristics of dense-phase pneumatic conveying of fly ash in long distance

Zongming Liu, Weilin Zhao, Xiansong Li, Hua Yi, Congling Bu

Proceedings Volume 7375, ICEM 2008: International Conference on Experimental Mechanics 2008; 73751W (2009) https://doi.org/10.1117/12.839076
Event: International Conference on Experimental Mechanics 2008 and Seventh Asian Conference on Experimental Mechanics, 2008, Nanjing, China

Abstract

Gas-solid two-phase flow experiments of fly ash were carried out with compressed air being adopted as dynamic force in the long-distance pipeline. Groups of GP/DP transmitters were installed along the pipeline. The solids velocity was expressed by the distance versus time interval of pressure signal of the two transmitters. Thus the trends of particle velocity and pressure drop along the pipe were given experimentally and theoretically. Meanwhile, according to experimental data, resistance properties along the pipeline were performed experimentally and transport mechanism in dense-phase pneumatic conveying was analyzed. Based on dynamic balance of gas-solid two-phase flow, associated with experimental data, pressure drop calculation equation of horizontal pipe in dense-phase pneumatic conveying was established.

Citation Download Citation

Zongming Liu, Weilin Zhao, Xiansong Li, Hua Yi, and Congling Bu "Study on the characteristics of dense-phase pneumatic conveying of fly ash in long distance", Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 73751W (24 August 2009); https://doi.org/10.1117/12.839076

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