[Q&A Question 192] 2017.07.11
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This post was last edited by liuquan1100 on 2017-8-7 21:42. [Q&A Question 192] July 11, 2017: Explain what the visible reference answers are after the recovery of an axial reactor. Points will be awarded for identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Note: For questions of the type \"one question per day,\" if a person replies continuously for a month, that is, posts more than 30 times, their score will be assigned as 2 points, which is the lowest possible score. Click once to reply; if multiple replies are made, points will be awarded as appropriate, as deleting posts is also a waste of time. A reactor in which the medium flows through the catalyst bed in the axial direction is called an axial reactor. Scoring criteria: 2 Wealth points for incorrect attempts; 3–8 points for *incomplete* answers. 10 Wealth points for correct answers, provided along with a detailed explanation; 15–20 Wealth points if the answer is correct but lacks sufficient details. Please score according to these criteria. Note: If there are editing records after answering, only those who participated will be given points. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters that have nothing to do with the answer are all considered malicious spamming. Points will start to be deducted after three warnings. 2017 Q&A Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical Sector – “Creative Ideas for Energy Saving” Campaign (Phase 2 is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html 2017 Coal Chemicals – “My Technical Upgrades” http://bbs.hcbbs.com/thread-1786290-1-1.html
The fluid flows axially from top to bottom through the bed layer
Fixed-bed reactor: The fluid flows axially from top to bottom through the bed layer, with no heat exchange between the bed layer and the outside environment
The fluid flows axially from top to bottom (or in the reverse direction) through the bed layer
The fluid flows axially from top to bottom (or in the reverse direction) through the bed layer
Axial adiabatic fixed-bed reactor. The fluid flows axially from top to bottom through the bed, with no heat exchange between the bed and the outside environment. In axial reactors, the bed pressure drop is high, the catalyst particles are large, and the diffusion resistance is high. The temperature drop gradient in axial reactors is large. Due to its high pressure drop, strict requirements are placed on the strength of the catalyst.
A reactor in which the medium flows through the catalyst bed in the axial direction is called an axial reactor.
The gas flow direction is consistent with the axial direction of the equipment; the fluid flows axially from top to bottom through the bed, with no heat exchange between the bed and the outside environment.
The axial adiabatic fixed-bed reactor is one of the three basic types of fixed-bed reactors, in which the fluid flows through the bed layer from top to bottom along the axial direction, with no heat exchange between the bed layer and the outside environment. In axial reactors, the bed pressure drop is high, the catalyst particles are large, and the diffusion resistance is high. The temperature drop gradient in axial reactors is large. Due to its high pressure drop, strict requirements are placed on the strength of the catalyst.
The fluid flows axially from top to bottom through the bed; in axial reactors, the bed pressure drop is high, the catalyst particles are large, and the diffusion resistance is high. The temperature drop gradient in axial reactors is large. Due to its high pressure drop, strict requirements are placed on the strength of the catalyst.
The fluid flows axially from top to bottom through the bed, with no heat exchange between the bed and the outside environment.