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【Daily Question No. 228】August 16, 2017: When the bearing temperature of a centrifugal pump is too high, replacing the lubricating oil can resolve the issue. ( ) Reply* to see the reference answers; scoring is available by answering the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) The X daily challenge closes after 7 days, and the answers are displayed automatically. Scoring criteria: 2 Wealth points for incorrect responses; *incomplete* answers earn 3–8 points. 10 Wealth points are given for correct answers accompanied by detailed explanations; responses that are correct but lack sufficient details earn 15–20 Wealth 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 Zone – “Creative Ideas for Energy Saving” campaign (the second phase is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum)
Wrong; the cause must be identified, such as poor cooling (in pumps equipped with cooling systems), excessive vibration, poor concentricity, poor dynamic balance of the pump impeller, etc. Of course, bearing damage should be checked and confirmed first.