Experimental Study on the Effect of Oil Circulation Rate on the Performance of Reciprocating Refrigeration Compressor

Wang Feng; Mi Xiaozhen; Mu Guangyu; Sun Yibo

doi:10.3969/j.issn.0253-4339.2014.03.033

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Experimental Study on the Effect of Oil Circulation Rate on the Performance of Reciprocating Refrigeration Compressor

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- Experimental Study on the Effect of Oil Circulation Rate on the Performance of Reciprocating Refrigeration Compressor
- Journal of Refrigeration Vol. 35, Issue 3, (2014)
- 作者机构：
  
  1. 大连交通大学现代轨道交通研究院
  2. 大连海洋大学
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2014.03.033
  CLC：
- Published：2014
- 稿件说明：
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Wang Feng, Mi Xiaozhen, Mu Guangyu, et al. Experimental Study on the Effect of Oil Circulation Rate on the Performance of Reciprocating Refrigeration Compressor[J]. Journal of refrigeration, 2014, 35(3).
DOI：

Wang Feng, Mi Xiaozhen, Mu Guangyu, et al. Experimental Study on the Effect of Oil Circulation Rate on the Performance of Reciprocating Refrigeration Compressor[J]. Journal of refrigeration, 2014, 35(3). DOI： 10.3969/j.issn.0253-4339.2014.03.033.

摘要

论文用实验的方法研究了润滑油循环率对活塞式制冷压缩机工作性能的影响。为了确保实验分析的准确性，测试系统采用了双油分的装置，使排气后的制冷剂和润滑油尽量完全分离，制冷剂以纯冷媒的形式再次进入压缩机的吸气。实验中采用Sanyo某型号压缩机进行测试，其结果表明润滑油循环率随着压缩机注油量的增加而增加，油循环率对压缩机的制冷量、功率、COP以及排气温度均有影响，较低的油循环率使得压缩机具有较高的制冷量和COP，同时排气温度也比较高，较高油循环率则使压缩机的制冷量和COP下降。因此一定要选择与压缩机相匹配的注油量，控制油循环率在一个合理的范围内，这样既能使润滑油起到有效的润滑作用，保证压缩机正常工作，又能使压缩机获得最佳的性能指标。

Abstract

This paper studied the effect of oil circulation rate on the performance of reciprocating refrigeration compressor by means of experiments. In order to ensure the experiment accuracy

double oil separators were adopted in the testing system. In this way

the refrigerant was almost separated completely from the mixture of refrigerant and oil and entered again into the suction of the compressor. A model of Sanyo compressor was used to carry out a series of experiments. The results showed that the oil circulation rate was increased with the increase of the amount of oil injection

the oil circulation rate effected the refrigerant capacity

power

COP and discharge temperature. The performance of compressor and discharge temperature was increased with the lower oil circulation rate and vice versa. Therefore

the proper quantity of oil should be injected into the compressor

where a good lubrication condition was formed

the reliability and performance of compressor were guaranteed and a better economy can be obtained.

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