Flow-separation back-mixing-free spraying tower disc
A tray and back-mixing technology, which is applied in the field of mass transfer equipment and heat transfer, to achieve the effects of improving mass transfer driving force and tray efficiency, uniform liquid level, and improving gas-liquid separation efficiency
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[0041] Example 1
[0042] Design a separate flow jet tray without backmixing (see Figure 1-4 ), the tray is composed of the upper tray 1 and the lower tray 2. The upper tray 1 includes 2 downcomers 32, 16 downcomers 4, 1 central liquid receiving tank 51 and 2 other receivers. Liquid tank 52, 4 groups of three-dimensional jet mass transfer units 6, 2 groups of central liquid guide grooves 91 and 2 groups of other liquid guide grooves 92; the lower tray 2 includes 3 downcomers 3, 16 downcomers 4, and 2 Receiving tank 5, 4 sets of three-dimensional jet mass transfer units 6, 2 sets of central liquid guiding tank 91 and 2 sets of other liquid guiding tanks 92; downcomer 3 and receiving tank 5 adopt rectangular groove structure; downcomer 4 adopts round Cylindrical structure; the three-dimensional jet mass transfer unit 6 is a new vertical sieve plate.
[0043] The working principle and process are as follows: the liquid after mass transfer from the upper set of trays falls into the r...
Example Embodiment
[0044] Example 2
[0045] Design a separate flow jet tray without backmixing (see Figure 5-6 ), the difference is that on the basis of the main structure of embodiment 1, the tray is provided with a long strip liquid level balance tank 8 in the direction perpendicular to the liquid receiving tray at the middle position of the tray, and the liquid level balance tank 8 It is connected to the downcomer 3; its working principle is basically the same as that of Embodiment 1. Because the liquid level balance tank 8 is provided, and the liquid level balance tank 8 is connected with the downcomer tank 3, it can make each end down After the liquid in the tank 3 is collected in the liquid level balance tank 8, it is evenly distributed to each downcomer 3, so that the liquid is evenly distributed and the liquid level gradient is reduced. This structure is more suitable for tower diameters larger than DN3000.
Example Embodiment
[0046] Example 3:
[0047] Design a separate flow jet tray without backmixing (see Figure 7 ), the tray structure is basically the same as the embodiment 2, the difference is: the liquid level balance tank 8 is connected with the liquid receiving tank 5; the working principle is: the liquid level balancing tank 8 is connected with the liquid receiving tank 5, which can make each end receive After the liquid in the liquid tank 5 is collected in the liquid level balance tank 8, it is evenly distributed to the liquid receiving tanks 5, so that the liquid distribution is uniform, which is beneficial to reduce the liquid level gradient.
[0048] What is not mentioned in the present invention is applicable to the prior art.
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