Hydrogenation unit pressure control
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What are the advantages of using pressure cascade control in hydrogenation reaction systems? Explain in detail
Pressure progression is mainly intended to protect the compressor; a hydrogen temperature of 135 degrees is very dangerous, as a leak could lead to a flash explosion. Therefore, multi-stage compression with inter-stage cooling is used. As for saving energy, this can only be achieved by introducing margin adjustment or a variable air volume control system
Let me explain: the pressure referred to here is the pressure of the reaction system. Recursive control means that when the pressure of the reaction system rises or falls, the hydrogen makeup compressor does not supply hydrogen directly at the high-temperature section; instead, it supplies it at the feed line – and at the point where the recycled hydrogen is supplied.
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Could you copy and paste it? Thank you very much :)