[Mechanical Equipment Technology Edition] Daily Question 20170722: Identify the functions of screw compressor components by looking at their diagrams

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Starting today, in order to enhance communication among those interested in marine equipment, we have launched the 【Question of the Day】 initiative on the Technical Forum for Mechanical Equipment. We encourage everyone to participate actively so that we can all progress and improve together! ! ! Rewards: 3 wealth for active participation, 10 wealth for correct answers. This question is valid for two days; no scoring will be given after that. Question: What are the names and functions of the components in the image below? Answer: The hidden content of this post is the balance piston and the balance piston sleeve ； The balance plug is located in the neck and tail section of the main shaft at the intake side of the rotary piston, and it is used to reduce the load on the bearing surface of the main shaft caused by the pressure difference between the exhaust side and the intake side, as well as to lessen the axial force exerted on the secondary shaft bearings. The use of balanced spacers to counteract axial forces can significantly reduce the load on the thrust bearings as well as their geometric dimensions, thereby saving metal usage. It works by injecting high-pressure oil into the oil chamber at the top of the piston, thereby creating a pressure that counteracts the axial force, allowing the axial force to be balanced. ================================ Promotion: Petrochemical Sector – “Creative Ideas for Energy Savings” campaign (the second phase is currently in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum) 2017 Coal Chemical Industry – “My Technical Upgrades” http://bbs.hcbbs.com/thread-1786290-1-1.html (Source: Haichuan Chemical Industry Forum)