【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 087
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【Daily Question 2019】Hydrogen production and hydrogenation section – Question No. 087: What are the phenomena that occur when there is a disruption in the supply of new hydrogen or when its supply suddenly decreases? Answer: The hydrogen supply volume drops sharply, and the hydrogen supply pressure decreases ； Abnormal pressures at various stages of the new hydrogen compressor ； The pressure in the reaction system drops rapidly ； Low purity of recycled hydrogen ； The flow indicator decreases to zero, triggering an alarm. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Correct: 3 wealth, Incorrect: 1 wealth ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately. For management purposes, if you need to view content from a few days ago, please go to https://bbs.hcbbs.com/home.php?mod=space&uid=3862647&do=thread&view=me&from=space through the summary post below
The hydrogen supply volume drops sharply, and the hydrogen supply pressure falls； Abnormal pressures at various stages of the new hydrogen compressor ； The pressure in the reaction system drops rapidly ； Low purity of recycled hydrogen ； The flow indicator decreases to zero, triggering an alarm
1. The hydrogen supply decreases sharply, and the hydrogen supply pressure falls. 2. Abnormal pressures at various stages of the new hydrogen compressor. 3. The pressure in the reaction system drops rapidly. 4. The purity of the recycled hydrogen is low.
System pressure decreases； The flow rate of new hydrogen has decreased ； The purity of recycled hydrogen decreases.
1. The pressure in the new hydrogen buffer tank drops rapidly； 2. System pressure decreases ； 3. The opening degree of the return line control valve for the new hydrogen compressor increases automatically ； 4 Elevated exhaust temperature of the new hydrogen compressor ； 5 Fluctuations in reaction feed rate and reaction temperature
New hydrogen pressure alarm: reaction system pressure decreases, inter-stage temperature rises
1. The hydrogen supply decreases sharply, and the hydrogen supply pressure falls. 2. Abnormal pressures at various stages of the new hydrogen compressor. 3. The pressure in the reaction system drops rapidly. 4. The purity of the recycled hydrogen is low.
The hydrogen supply volume drops sharply, and the hydrogen supply pressure falls； Abnormal pressures at various stages of the new hydrogen compressor ； The pressure in the reaction system drops rapidly ； Low purity of recycled hydrogen ； The flow indicator decreases to zero, triggering an alarm
Answer: 1. The hydrogen supply decreases sharply, and the hydrogen supply pressure drops. 2. Abnormal pressures at various stages of the new hydrogen compressor. 3. The pressure in the reaction system drops rapidly. 4. The purity of the recycled hydrogen is low. 5. The flow indicator decreases to zero, triggering an alarm.
The hydrogen supply volume drops sharply, and the hydrogen supply pressure falls； Abnormal pressures at various stages of the new hydrogen compressor ； The pressure in the reaction system drops rapidly ； Low purity of recycled hydrogen ； The flow indicator decreases to zero, triggering an alarm