Multi-compressor refrigeration units - oil distribution problems
- Authors: Shishov V.V.1, Fursov E.V.1
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Affiliations:
- Bauman Moscow State Technical University
- Issue: Vol 91, No 12 (2002)
- Pages: 30-32
- Section: Articles
- URL: https://journal-vniispk.ru/0023-124X/article/view/105956
- DOI: https://doi.org/10.17816/RF105956
- ID: 105956
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Abstract
At present, centralized refrigeration systems are usually used in salesrooms with an area of more than 500 m2. Multicompressor refrigeration units (MCA) with several compressors connected in parallel are widespread.
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##article.viewOnOriginalSite##About the authors
V. V. Shishov
Bauman Moscow State Technical University
Author for correspondence.
Email: info@eco-vector.com
Russian Federation, Moscow
E. V. Fursov
Bauman Moscow State Technical University
Email: info@eco-vector.com
Russian Federation, Moscow
References
Supplementary files
Supplementary Files
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Fig. 1. Structural elements ensuring oil circulation in the refrigeration system
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Fig. 2. Double vertical piping
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Fig. 3. Design of the piping between the suction manifold and the compressor
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Fig. 4. Schematic of the system with a surge pipe: 1 - surge pipe; 2 - socket for connection of the UT
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Fig. 5. Installation of the equalizing line through the adapter in place of the compressor sight glass: 1 - compressor flange; 2 - adapter; 3 - sight glass; 4 - equalizing pipeline (EP)
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Fig. 6. Multi-compressor refrigeration units with oil level and gas pressure equalization lines in the crankcase: a - with individual oil separators; b - with common oil separator; 1 - suction line; 2 - suction manifold; 3 - lubrication control switch; 4 - oil level equalization line; 5 - crankcase pressure equalization line 6 - oil separator (MO); 7 - check valve; 8 - pressure line; 9 - oil return line; 10, 11 - connections for connecting equalizing lines; 12 - filter; 13 - equalizing line between crankcases
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