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The safety valve of the equipment has activated

2018-12-20View Original

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Many books say that the equipment can perform stamping operations at high speeds; even if the pressure does not reach the level at which the safety valve would activate, the safety valve still tends to trigger. It’s a bit confusing – why is that?\ud83d\ude0a
Reply #22018-12-21
This statement is not rigorous, nor is it possible. A large portion of the “books” in the chemical industry are not published by official professional departments or publishing houses. Their origins are mostly in the technical staff positions of various organizations; an interview is held simply after the company’s chief engineer signs off. The better ones are the old views that appeared in the “old books” compiled in earlier periods. So it led to some unrealistic things. Strictly speaking, there are many requirements regarding the pressure of the pressurization source, the pressure to be applied to the piping system, the locations of the measurement points, and their interrelationships. To learn, one must *understand the principles behind it, rather than pursuing some irrelevant and wild theories. It’s important to see if it’s useful and to know its source.
Reply #32018-12-21
Thank you\ud83d\ude0a\ud83d\ude0a\ud83d\ude0a\ud83d\ude0a\ud83d\udc4d\ud83d\udc4d\ud83d\udc4d. I am a process engineer at a chemical plant. During training, there are various regulations and question banks, which are provided to us for study. If we don’t understand something, we ask our supervisors, but they too don’t know the answers; they just tell us to memorize it. If a question bank isn’t accurate, it really causes a lot of trouble. When faced with something I can’t figure out, it’s really frustrating\ud83d\ude23
Reply #42018-12-22
It’s common to encounter such irresponsible \"question banks\" that generalize different process-related issues, bringing problems from old processes into new ones. It is recommended to simply ignore such irresponsible questions. After all, they are in the minority. Hehe, you might have run into some self-important person who claims to be an \"experienced expert.\" Hehe, it’s a common tactic used to deceive others and show off one’s supposed superior skills. It’s nothing really; it’s a sign of an empty heart. I’ve been through this before; if you work in the field of process engineering, the first thing to do is to start by learning flow diagrams, followed by the principles of individual equipment, the overall process logic, and the criteria for setting up various control points. It starts with a question bank, requiring rote memorization – haha, that’s not a good approach.
Reply #52018-12-22
Thank you so much\ud83d\udc4d\ud83d\udc4d
Reply #62019-03-09
When writing a book, one thinks about dynamic pressure and static pressure; however, dynamic pressure is generally very small, and such a situation actually does not occur
Reply #72019-03-14
The inertial force, combined with the pressure itself, has exceeded his takeoff pressure, which is why this phenomenon occurs

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