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【Q&A Question 037】2018.02.06

2018-02-06View Original

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【Q&A Question 037】February 6, 2018: When regenerating the catalyst inside the device, if the temperature rises rapidly, what measures should be taken to ensure that the temperature does not exceed safe levels? During catalyst regeneration, if the temperature rises rapidly, the supply of air must be stopped immediately, the temperature of the heating furnace should be reduced significantly, and the amount of nitrogen gas used for regeneration increased. Pressure relief at the outlet or an increased supply of nitrogen gas should be employed to prevent overheating. . (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 access content from a few days ago, please go to the summary post below to enter the “My Registration Season” event – (Note: This event is currently underway in the Chemical Engineering section). https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=18978 For the daily questions section related to chemical engineering technology training in 2018: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888971 For the daily image section related to registered equipment in 2018: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888970 For the Q&A section related to hydrogen production and hydrogenation technologies in 2018: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888968 For the daily questions section related to LNG technology in 2018: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888973 For the Q&A section from 2017 (updates have started): https://bbs.hcbbs.com/thread-1657793-1-1.html For the daily questions section from 2017 (updates have started): https://bbs.hcbbs.com/thread-1657794-1-1.html For the daily image section from 2017: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1875160 For the list of daily questions related to LNG in 2017: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1804162 For the Q&A section from 2016 (all updates completed): https://bbs.hcbbs.com/thread-1597792-1-1.html
Reply #22018-02-06
Reduce air flow rate and increase circulating gas flow rate
Reply #32018-02-06
During catalyst regeneration, if the temperature rises rapidly, it is necessary to immediately stop supplying air, lower the temperature of the heating furnace significantly, and increase the amount of nitrogen gas used for regeneration. Pressure relief at the rear end or the supply of additional nitrogen gas should be employed to prevent overheating.
Reply #42018-02-06
During catalyst regeneration, if the temperature rises rapidly, the supply of air must be stopped immediately, the temperature of the heating furnace should be reduced significantly, and the amount of nitrogen gas used for regeneration increased. Pressure relief at the outlet or an increased supply of nitrogen gas should be employed to prevent overheating.
Reply #52018-02-06
During catalyst regeneration, if the temperature rises rapidly, the supply of air must be stopped immediately, the temperature of the heating furnace should be reduced significantly, and the amount of nitrogen gas used for regeneration increased. Pressure relief at the outlet or an increased supply of nitrogen gas should be employed to prevent overheating.
Reply #62018-02-06
Answer: During catalyst regeneration, if the temperature rises rapidly, it is necessary to immediately stop supplying air, reduce the temperature of the heating furnace significantly, and increase the amount of nitrogen gas used for regeneration. Pressure release at the outlet or an increased supply of nitrogen gas should be employed to prevent the temperature from rising too high.
Reply #72018-02-06
This post was last edited by “The Moon is Round in My Hometown” on February 6, 2018, at 09:38. Immediately stop the introduction of air, cool down appropriately, and introduce nitrogen to ensure that the temperature does not exceed the limit.
Reply #82018-02-06
During catalyst regeneration, if the temperature rises rapidly, the supply of air must be stopped immediately, the temperature of the heating furnace should be reduced significantly, and the amount of nitrogen gas used for regeneration increased. Pressure relief at the outlet or an increased supply of nitrogen gas should be employed to prevent overheating.
Reply #92018-02-06
During catalyst regeneration, if the temperature rises rapidly, the supply of air must be stopped immediately, the temperature of the heating furnace should be reduced significantly, and the amount of nitrogen gas used for regeneration increased. Pressure relief at the outlet or an increased supply of nitrogen gas should be employed to prevent overheating.
Reply #102018-02-06
During catalyst regeneration, if the temperature rises rapidly, it is necessary to immediately stop supplying air, lower the temperature of the heating furnace significantly, increase the amount of nitrogen gas used for regeneration, and employ methods such as releasing pressure at the outlet or supplying a large amount of nitrogen gas to prevent overheating
Reply #112018-02-06
During catalyst regeneration in the reactor, if the temperature rises rapidly, stop supplying air immediately, reduce the temperature of the heating furnace significantly, increase the amount of nitrogen gas supplied for regeneration, and either relieve pressure at the outlet or increase the nitrogen supply to prevent overheating.

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