Novel circulation type tower plate
A circulation type, tray technology, applied in the direction of separation methods, chemical instruments and methods, distillation separation, etc., can solve the problems of increasing production costs, prolonging the production cycle, etc., and achieve the effect of good effect, simple structure and accurate positioning
Active Publication Date: 2009-10-07
HANGZHOU HANGYANG +1
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Problems solved by technology
In this way, the production requirements of the trays are very fine and strict, which not only increases the production cost, but also prolongs the production cycle.
Method used
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[0011] The present invention will be described in detail below in conjunction with accompanying drawing: figure 1 , 2 As shown, the present invention includes a central cylinder 1 and a plurality of circular flow trays 2 fixed on the central cylinder up and down for liquid to flow on it and separate after heat and mass transfer with the rising gas. The tray 2 is provided with a downcomer 3 , a liquid receiving tray 4 and a sieve area 5 , and the connection between the central cylinder 1 and the tray 2 is provided with a lower flange 6 and riveted with rivets.
[0012] The sides of the downcomers 3 provided on the tray 2 are provided with non-porous static angle strips 7, and the sides of the downcomers 3 are arranged in an inclined shape that facilitates liquid entering the downcomers for gas-liquid separation. The downcomer 3 of the tray is integrally formed with the adjacent liquid receiving pan 4 .
[0013] The new type of circulating tray in the present invention include...
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A novel circulation type tower plate, including a center cylinder and multiple circulation type tower plates fixed on the center cylinder from up to down that avaliable for liqiud flowing on the above and detachable transfering heat and mass with uprising gas, a downcomer, a seal pot and a sieve area are provided on the circulation type tower plate, junction of the center cylinder and the tower plate is provided with a turnup and riveted by rivets; the downcomer side disposed on the tower plate is provided with a imperforate stationary angleshaft, and the downcomer side is disposed into a slopy shape that is benefit for liquid entering the downcomer for gas-liquid separation; the downcomer of the tower plate and the adjacent disposed seal pot constitutes integrally. The invention has features of simple structure, reasonable, good gas-liquid separation effect and high efficiency, and efficiency of the novel tower plate is more than 90% that is 20% higher than common, and in practical operation , a flexible operation of 30% to 120% can be proceeded.
Description
technical field [0001] The invention relates to a novel circulating tray used in a rectification tower, and belongs to the technical field of rectification towers of air separation devices. Background technique [0002] In the air separation unit, in order to obtain a higher cost performance for the whole design of the unit, and due to the limitation of the application of the structured packing at high pressure, the design of the sieve tray column is very important. [0003] The large-scale development of industry will definitely drive the large-scale development of rectification towers; in the field of sieve tray technology, large-scale convection trays have been developed to four-overflow or even six-overflow. For the four-overflow sieve tray, the problem of gas-liquid balance on the tray is already quite difficult to control; in order to solve this problem, people have come up with various complicated structures, and artificially stipulated the flow rate of gas and liquid...
Claims
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IPC IPC(8): B01D3/22
Inventor 杨修玲
Owner HANGZHOU HANGYANG