Compact Pneumatic Pulse-Jet Pump with Venturi-Like Reverse Flow Diverter

徐聪; 刘斌斌; 景山

doi:10.1016/S1004-9541(11)60033-5

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Compact Pneumatic Pulse-Jet Pump with Venturi-Like Reverse Flow Diverter

Updated：2026-01-06

- Compact Pneumatic Pulse-Jet Pump with Venturi-Like Reverse Flow Diverter
- Chinese Journal of Chemical Engineering Vol. 19, Issue 4, Pages: 626-635(2011)
- Affiliations：
  
  1. Institute of Nuclear and New Energy Technology, Tsinghua University,Beijing,China,100084
  2. China Nuclear Power Engineering Co.Ltd,Beijing,China,100840
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60033-5
  CLC：
- Published：2011
- Accepted：
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XU Cong, LIU Binbin, JING Shan. Compact Pneumatic Pulse-Jet Pump with Venturi-Like Reverse Flow Diverter[J]. , 2011, 19(4): 626-635.
DOI：

XU Cong, LIU Binbin, JING Shan. Compact Pneumatic Pulse-Jet Pump with Venturi-Like Reverse Flow Diverter[J]. , 2011, 19(4): 626-635. DOI： 10.1016/S1004-9541(11)60033-5.

摘要

Abstract

A compact pneumatic pulse-jet pump with a Venturi-like reverse flow diverter

which consists of a nozzle and diffuser

is designed for lifting and transporting a hazardous fluid through a narrow mounting hole.The pumping performance for a liquid mixture or a liquid-solid mixture is examined in terms of the effects of liquid viscosity

particle mass concentration

lifting height

and compression pressure.Results reveal that the pumping performance of the compact pneumatic pulse-jet pump is controlled by jet inertia and the flow resistance of the riser tube positioned after the diffuser.The capacity of the compact pneumatic pulse-jet pump increases with compression pressure and decreases with liquid viscosity.However

even for a liquid mixture with a high viscosity of 7.38 mPa·s

a pumping capacity of 170.7 L·h

-1

was observed.For a liquid mixture

two dimensionless indices of performance were found to be the ratio of Euler numbers

out

and the suction factor

.As the liquid-solid mixture was lifted to elevation of 6.74 m by the compact pump

the particle size distributions of the liquid-solid mixture in the tank and from the riser tube outlet were determined by a particle size analyzer and found to coincide well.

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