Experimental study on stepless capacity regulation for reciprocating compressor based on novel rotary control valve |
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| Authors: | Dacheng Li Haiqi Wu Jinji Gao |
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| Affiliation: | 1. State Key Laboratory of Multi-Phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, P.O. Box 20, No. 1 Zhongguancun North Second Street, Beijing 100190, PR China;2. Engineering Research Center of Chemical Technology Safety of the Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, PR China |
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| Abstract: | A capacity-regulation system based on a novel rotary control valve for reciprocating refrigeration compressor is proposed and designed for the first time. The regulation system is mainly composed of a rotary control valve and an adaptive regulation system. The structure and working principle of the rotary control valve is described in detail, and the control process of the adaptive regulation system for the valve is studied together with the program design. In addition, the parameters for the design and control of the rotary control valve are theoretically determined. To verify the feasibility and effectiveness of the proposed system, a three-cylinder reciprocating compressor was adopted as a test device. Experimental results showed that the technology was able to realize continuous stepless capacity regulation for the compressor within the range of (0)10–100%, and power consumption decreased correspondingly with the load reduction. |
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| Keywords: | Reciprocating compressor Capacity reduction Rotation Valve Rotor Energy saving |
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