【Q&A No. 030】2018.01.30
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【Q&A No. 030】January 30, 2018: What is the function of the compressor’s vent valve? ⑴Before starting the compressor, nitrogen and hydrogen are purged and vented. ⑵When the machine is shut down, the compressor is depressurized. ⑶Emergency pressure relief is performed when the compressor operates under overpressure. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Due to the limits on the number of posts in the “One Question per Day” section, “One Image per Day” has been moved to the registered devices section; you can access it through the directory I posted. For management purposes, if you need to view content from a few days ago, please access it through the summary post below. 2018 Chemical Engineering Technology Training – Daily Question Summary Thread: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=18889712018 Registered Equipment Section – Daily Image Summary Thread: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888970
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Release the air from the machine to facilitate startup next time
It is used to relieve pressure and allow air to escape when the unit has just been started and the exhaust valve has not yet been opened, or it is used to reduce pressure during operation when it becomes too high, thereby preventing surging in the machine due to a large pressure difference and low flow rate.
⑴Before starting the compressor, nitrogen and hydrogen are purged and vented. ⑵When the machine is shut down, the compressor is depressurized. ⑶Emergency pressure relief is performed when the compressor operates under overpressure.
⑴Before starting the compressor, nitrogen and hydrogen are purged and vented. ⑵When the machine is shut down, the compressor is depressurized. ⑶Emergency pressure relief is triggered when the compressor operates under excessive pressure
Air is released at startup, allowing for a no-load start which reduces the starting current; it then shuts off automatically after operating for a certain period of time, after which it enters normal loaded operation mode. Release air during unloading to prevent pressure from remaining inside the machine.
The function of the air compressor’s relief valve is to control the switching of the electromagnetic directional valve via a button, thereby releasing the compressed air stored in the compressor’s air tank in a short time period, to facilitate the maintenance of the compressor system.
⑴Before starting the compressor, nitrogen and hydrogen are purged and vented. ⑵When the machine is shut down, the compressor is depressurized. ⑶Emergency pressure relief is performed when the compressor operates under overpressure.
Used to relieve pressure under abnormal conditions, also known as (relief valve)