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【Daily Question】1/18/2016: Selection of auxiliary structures for packed towers (first 50 replies + 2 points; +3 more points for correct answer)...

2016-01-18View Original

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This post was last edited by HSLJHZ on 2016-1-27 at 09:37. In order to increase the popularity of the heat exchange forum, a \"Question of the Day\" activity has been introduced there; this helps to foster an active atmosphere for technical exchanges while also providing members with certain financial rewards. 【Daily Question】Regarding the auxiliary structures of a packed tower, which of the following statements is incorrect? (D)      (A) The free cross-sectional area of the support plate must be greater than that of the packing layer.     (B) A liquid redistributor can improve the uneven distribution of liquid caused by wall flow effects.     (C) A demister is used to remove liquid droplets from the gas escaping from the top of the packing layer.     (D) Liquid flooding cannot occur first at the support plate. Note: We will close this thread after 24 hours to announce the answers and explanations, as well as the best response (the most helpful one). Other news: The competition for “Active Experts and Weekly Stars” in the Machinery Forum has started. http://bbs.hcbbs.com/thread-1489069-1-1.html Recruitment for forum moderators and technicians in the [Machinery Forum] – applications and referrals are welcome. [Valid indefinitely] Come if you’re interested! 】http://bbs.hcbbs.com/thread-1288857-1-1.ht【Mechanical Section】In-depth guide to preventing equipment freezing over the winter http://bbs.hcbbs.com/thread-1502793-1-1.html It’s here; we’ve finally waited for it 【Mechanical Section】Thanksgiving sharing event http://bbs.hcbbs.com/thread-1533152-1-1.html From the group: Chemical Equipment and Machinery
Reply #22016-01-18
【Daily Question】Regarding the auxiliary structures of a packed tower, which of the following statements is incorrect? ( ) (A) The free cross-sectional area of the support plate must be greater than that of the packing layer. (D) Liquid flooding cannot occur first at the support plate
Reply #32016-01-18
(D) Weeping cannot first occur on the support plate.
Reply #42016-01-18
Regarding the auxiliary structures of a packed tower, the following statement is incorrect (D). (A) The free cross-sectional area of the support plate must be greater than that of the packing layer. (B) A liquid redistributor can improve the uneven distribution of liquid caused by wall flow effects. (C) A demister is used to remove liquid droplets from the gas escaping from the top of the packing layer. (D) Liquid flooding cannot occur first at the support plate
Reply #52016-01-18
【Daily Question】Regarding the auxiliary structures of a packed tower, which of the following statements is incorrect? (D) (A) The free cross-sectional area of the support plate must be greater than that of the packing layer. (B) A liquid redistributor can improve the uneven distribution of liquid caused by wall flow effects. (C) A demister is used to remove liquid droplets from the gas escaping from the top of the packing layer. (D) Liquid flooding cannot occur first at the support plate. Things related to the process I don’t understand. But I think ABC should be correct.
Reply #62016-01-18
(D) Liquid flooding cannot occur first on the support plate
Reply #72016-01-18
(B) The liquid redistributor can improve the uneven distribution of liquid caused by the wall flow effect
Reply #82016-01-18
(D) Liquid flooding cannot occur first on the support plate

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