[Mechanical Equipment Technology Edition] Daily Question 20171018: Oil Return in Screw Chilling Units (1)

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This post was last edited by YORK Industrial Refrigeration on 2017-10-20 at 08:36. Starting from now, in order to enhance communication among users, we have launched the \"One Question per Day\" initiative on the Mechanical Equipment Technology forum. We hope everyone will participate actively to progress and improve together! ! ! Rewards: 3 wealth points for active participation, 10-15 wealth points for correct answers. This question is valid for two days only; no scoring will be given after that period. As shown in the diagram below, this is a semi-sealed compressor, but during operation the oil enters the system. Where does the oil return to, as indicated in the diagram? What is the method used for returning oil? Oil and evaporator: Oil enters the compressor through a pressure difference or via an oil pump. Depending on their design, evaporators such as full-liquid evaporators use induced backflow to supply oil. ================================ High-quality promotions: Mechanical equipment——Maintenance procedures for York screw compressors http://bbs.hcbbs.com/thread-1806833-1-1.html Mechanical equipment——Upgrading of York Quinton control centers http://bbs.hcbbs.com/thread-1804837-1-1.html Mechanical equipment——Major repairs for GEA Grasox screw compressors http://bbs.hcbbs.com/thread-1800467-1-1.html Mechanical equipment——Disassembly and maintenance of British HOWDEN screw compressors http://bbs.hcbbs.com/thread-1832529-1-1.html Mechanical equipment——Disassembly and maintenance of Japanese Maekawa MYCOM screw compressors http://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1786445