Papers by Author: Xiao Ping Qiu

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Authors: Kun Chen, Xiang Wei Zeng, Xiao Ping Qiu, Xiao Ge Zeng
Abstract: A novel check valve - passive control shuttle-type check valve is introduced in this paper based on the comparison of the existing swing check valves including the liquid, structural principle, flow resistance coefficient, airproof and start-stop performances. The experimental and simulation analysis validated that shuttle-type check valve has the advantages of symmetric structure along the pipeline axis, balance circle flow, low coefficient streamline, adjustable start-stop time, multi-airproof, zero leakage and less noise.
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Authors: Kun Chen, Xiang Wei Zeng, Xiao Ping Qiu
Abstract: This paper introduces a new double tank alternative PSA system structure and working principle, the system uses passive control, namely the use of fluid energy to achieve their double tank alternating work and avoid expensive and complex control systems, only two valves instead of the traditional 7-10 valves, greatly simplified the structure, improve system security and reliability. At the same time, the thesis also introduced shuttle-type three-way diffluence regulation valve structure and theory.
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Authors: Kun Chen, Xiang Wei Zeng, Xiao Ping Qiu
Abstract: In this paper, we compare the shuttle type passive control system and the existing technology in detail firstly, what is called passive control is a technology which the passive shuttle control system relies on the energy from the system itself or our natural cycle, such as the gravity flow, the pressure flow, the pressure difference to achieve self-regulation and control without other outside power and active devices. And then we introduce the new shuttle type control units including shuttle type return valve, shuttle-type exhaust and air-adding valve, and the adjustable difference flow pressure safeguard and their applications using several examples, which shows that the shuttle type control series valves are latest best choice for the modern pipeline conveying engineering with simple frame, lost cost and high reliability.
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