Inclined jetting column plate

A technology of trays and inclined angles, which is applied in distillation separation, chemical/physical/physicochemical processes, dispersed particle separation, etc., can solve the problems of plate towers that are difficult to take advantage of, low processing capacity, and low mass transfer efficiency, and achieve improved Space utilization, speed up the flow rate, and the effect of increasing the mass transfer area

Inactive Publication Date: 2007-06-06
TIANJIN UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For such working conditions, it is often difficult for ordinary plate towers to exert their advantages: the liquid receiving area on the plate often occupies a large cross-sectional area of ​​the tower, resulting in low processing capacity of the tower
If a packed tower is used, in order to pass a large amount of liquid, the diameter of the tower will be designed very large, and the gas will pass through the packing layer at an extremely low gas velocity, resulting in low mass transfer efficiency, large water consumption, and high energy consumption.

Method used

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  • Inclined jetting column plate
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  • Inclined jetting column plate

Examples

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Embodiment 1

[0029] As shown in Figure 1, the present invention consists of a tower wall 1, a bottom plate 2, a downcomer 4 and a structured packing 6. The bottom plate 2 and the tower cross section are installed obliquely in the tower at a certain angle, and the inclination is obtained by the size of the liquid flow intensity on the plate. The angle is 4 degrees. There are louver-like long oblique holes 3 on the tray, and the opening direction points to the downcomer 4 of this floor. The angle of the oblique holes is equivalent to that of the tray 2, which is 4 degrees. The opening ratio of tray 2 is calculated according to the gas and liquid phase loads of the whole column. The appropriate opening ratio should make the plate hole kinetic energy factor relatively large, generally 10-12ms -1 (kg / m 3 ) 0.5 Within the range, the gas-liquid two phases on the tray form a spray operation state. The downcomer 5 of this example is an arcuate downcomer installed inside the tower wall 1 . The ...

Embodiment 2

[0031] Figure 2-5 is a schematic diagram of the structure of the double overflow jet inclined tray. The double overflow jet inclined tray has a symmetrical structure, which is the same as the single overflow jet inclined tray. It is also composed of tower wall 1, bottom plate 2 and downcomer 4 And structured packing 6 composition. The tray 2 and the section of the tower are obliquely installed in the tower at a certain angle, and the installation angles on both sides are the same. Due to the double overflow, the overflow periphery on the tray increases, and the inclination angle of the tray is 2 degrees. Odd-numbered downcomers 5 are bow-shaped downcomers installed inside the tower wall 1; even-numbered downcomers 5 are rectangular downcomers installed in the center of the tower. The bottom plates on both sides of the downcomer 5 are provided with louver-like long oblique holes 3, and the direction of the opening points to the downcomer 4 on this floor. As shown in Figure 3. ...

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Abstract

The present invention relates to gas-liquid mass transfer plant in chemical engineering, and is especially one kind of high efficiency inclined jetting column plate. The inclined jetting column plate of the present invention may be designed into double overflow, triple overflow or other forms. It includes one louver type bottom plate, one downcomer and stuffing, and features the inclined louver type bottom plate inside the column and with regular stuffing and opening pointing to the downcomer. The present invention has great liquid flux, simple structure and low cost, and is especially suitable for use in great liquid quantity absorption, rectification and other fields.

Description

technical field [0001] The invention relates to gas-liquid mass transfer equipment in chemical engineering, in particular to a high-efficiency spray inclined tray. Background technique [0002] Tower is a kind of gas-liquid, liquid-liquid contact mass transfer equipment widely used in petroleum and chemical industry, mainly including plate tower and packed tower. High-efficiency packed towers have high efficiency and large production capacity, but due to their high cost, they are not suitable for high-pressure and coking-prone occasions. Compared with packed towers, ordinary plate towers are widely used in normal pressure and high pressure conditions due to their low cost. [0003] However, due to the large liquid-gas ratio in the working conditions of large liquid absorption and rectification, for example, the liquid-gas molar ratio of water-eluted carbon is as high as 100 or more. For such working conditions, it is often difficult for ordi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/24B01D53/18B01J19/32
Inventor 李鑫钢徐世民姜斌许长春孙津生刘德新
Owner TIANJIN UNIV
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