【Q&A Question 233】2017.08.21

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【Q&A Question 233】August 21, 2017: Why does the cooling water for the compressor enter from the bottom and exit from the top? The reference answer can be seen after responding; scoring is possible by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) To ensure that there is sufficient cooling water in the cylinder water jackets and thus achieve adequate cooling, when the water supply is interrupted, the water still present in the cylinder water jackets continues to cool the compressor cylinders, preventing them from overheating immediately. Scoring criteria: An incorrect answer earns 2 points; an *incomplete* answer earns 3–8 points. A correct answer with a detailed explanation earns 10 points, while a correct answer with additional *complementary information* earns 15–20 points. Please score according to these criteria. Note: If there are editing records after answering, only points will be awarded to those who participated. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters that have nothing to do with the answer are all considered malicious spamming; points will start to be deducted after three warnings. 2017 Q&A Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical Sector – “Creative Ideas for Energy Saving” Campaign (Phase 2 is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html 2017 Coal Chemicals – “My Technical Upgrades” http://bbs.hcbbs.com/thread-1786290-1-1.html