Study on an Energy-saving Durability Test System for Reciprocating Refrigeration Compressor

Wang Feng; Mi Xiaozhen

doi:10.3969/j.issn.0253-4339.2013.02.033

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Study on an Energy-saving Durability Test System for Reciprocating Refrigeration Compressor

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- Study on an Energy-saving Durability Test System for Reciprocating Refrigeration Compressor
- Journal of Refrigeration Vol. 34, Issue 2, (2013)
- 作者机构：
  
  大连交通大学现代轨道交通研究院
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2013.02.033
  CLC：
- Published：2013
- 稿件说明：
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Wang Feng, Mi Xiaozhen. Study on an Energy-saving Durability Test System for Reciprocating Refrigeration Compressor[J]. Journal of refrigeration, 2013, 34(2).
DOI：

Wang Feng, Mi Xiaozhen. Study on an Energy-saving Durability Test System for Reciprocating Refrigeration Compressor[J]. Journal of refrigeration, 2013, 34(2). DOI： 10.3969/j.issn.0253-4339.2013.02.033.

摘要

提出了一种节能型活塞式制冷压缩机耐久实验系统，该系统基于“不完全冷凝，气液混合”原理，将压缩机排气后产生的高温高压工质的一部分冷凝成液体，其余不进行冷凝而直接节流变成气体，然后气、液进行混合形成饱和气体进入压缩机吸气。分析了不完全冷凝条件下，所需冷凝的工质与非冷凝工质的质量流量关系以及冷凝器的换热量，结果表明只需少量工质被冷凝，即可以满足耐久实验工况要求，因此，选用较小功率的冷凝器就可以完成较大功率压缩机耐久性测试。最后，以某型号压缩机对系统进行测试，验证了系统的有效性及可靠性。该系统结构简单，不仅节约能源消耗，而且可以降低实验系统成本，具有较高的经济性，可推广应用到其它压缩机类产品的耐久实验系统。

Abstract

This paper proposes an energy-saving system which is used to test the reliability of reciprocating refrigeration compressor. This system is established based on the principle of condensing of the partial refrigerant with high temperature and high pressure. The condensed refrigerant and the uncondensed refrigerant are mixed into a saturated vapor entering the suction of the compressor. The refrigerant mass flow of the condensed and the uncondensed are calculated. The result indicates that only a small fraction of refrigerant is needed to be condensed and the selection of a condenser with small power can satisfy the experiment requirements. The proposed system is built and its availability is testified by carrying out the durability test of a reciprocating compressor

which shows this test system is featured with simple

energy-saving and low cost.

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