| R404A在螺杆制冷机组中替代R22性能研究 |
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| 引用本文： | 刘艳丽,周海峰,王智明.R404A在螺杆制冷机组中替代R22性能研究[J].低温工程,2005(4):56-60. |
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| 作者姓名： | 刘艳丽 周海峰 王智明 |
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| 作者单位： | 西安交通大学能源与动力工程学院,西安,710049;大连冰山集团博士后工作站,大连,116033;大连冰山集团设计研究院,大连,116033 |
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| 摘 要： | 在比较分析HFC非共沸混合制冷剂R404A(R125/R143a/R134a,44/52/4wt%)和R22物性特点的基础上,理论和试验研究了R404A在螺杆制冷机组中替代R22的可行性和适用性.研究结果表明,只要将原为R22设计的螺杆制冷机组稍加改动,直接加入R404A制冷剂,机组便完全能够正常运行,其各主要性能指标与R22较为接近.
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| 关 键 词： | 替代工质 R404A 螺杆制冷机组 性能研究 |
| 文章编号： | 1000-6516（2005）04-0056-05 |
| 收稿时间： | 2005-01-13 |
| 修稿时间： | 2005-01-132005-06-06 |
Study on the performance of a screw refrigeration unit using R404A as an alternative to R22 |
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| Liu Yanli,Zhou Haifeng,Wang Zhiming.Study on the performance of a screw refrigeration unit using R404A as an alternative to R22[J].Cryogenics,2005(4):56-60. |
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| Authors: | Liu Yanli Zhou Haifeng Wang Zhiming |
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| Abstract: | Based on the analysis and comparison of the property characteristics of the zeotropic HFC refrigerant mixture of R404A(R125/R143a/R134a,44/52/4wt%)and R22,the feasibility and practicability of R404A as a substitute for R22 in a screw refrigeration unit was theoretically and experimentally investigated.The results obtained show that as long as the screw refrigeration unit originally designed for R22 is modified a little and directly charged with R404A,the unit will be in working order and its primary performance parameters are close to those of the same unit using R22 refrigerant. |
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| Keywords: | R404A |
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