Feeding distributor with anti-eddy flow baffle plate

A feed distributor and distributor technology, applied in distillation separation, separation method, dispersed particle separation, etc., can solve the problems of large gas flow pressure drop, uneven distribution, and it is difficult for the distributor to achieve uniform distribution of materials, etc. Achieve the effect of eliminating airflow rotation and avoiding unevenness of gas distribution

Inactive Publication Date: 2006-10-11
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the tower feed distributors used in the industry are mostly straight pipes with holes or other different feed flow guide devices to achieve uniform distribution of the flow in the tower. The rate of outflow from the openings is different, so it is difficult for this kind of distributor to achieve the purpose of evenly distributing the material
However, the deflectors of other feed distributors have disadvantages such as large pressure drop of gas flow and uneven distribution of gas vortex above the distributor.

Method used

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  • Feeding distributor with anti-eddy flow baffle plate
  • Feeding distributor with anti-eddy flow baffle plate
  • Feeding distributor with anti-eddy flow baffle plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The double tangential feed distributor with anti-swirl baffles of the present invention has a basic structure including an inner sleeve, a cover plate, a deflector 4, reinforcement ribs of the deflector, an anti-swirl baffle, and tie bars. The cover plate and the tower wall form an annular space with a closed top and an open bottom. The deflector is arranged between the tower wall and the inner sleeve, and the two sides are respectively fixed on the tower wall and the inner sleeve and provided with deflector ribs In order to improve the strength, the height of the deflector changes gradually from the feed inlet along the annular channels on both sides. The anti-swirl flow baffle is arranged on the inner side of the inner sleeve, and the side is provided with tie bars, and the other end of the tie bars is fixed on the inner sleeve.

[0017] like figure 1 The shown cover plate 5 is ring-shaped, located on the top of the inner sleeve 3 , one end is fixed on the tower wall...

Embodiment 2

[0023] The basic structure of the single tangential feed distributor with an anti-swirl baffle is the same as that of the double tangential feed distributor with an anti-swirl baffle described in Example 1. The setting of the cover plate 5 and the height setting of the inner sleeve 3 are the same as in Embodiment 1, the structure and shape of the anti-swirl flow baffle 6, the dimensional relationship between the baffle and the inner sleeve, the setting of the number of baffles, and the arrangement of the tie bars 7 The settings are the same as in Example 1.

[0024] like Figure 4 As shown, for a single tangential feed distributor, the width of the inner sleeve 3 is equal to the diameter of the feed port 1 or greater than the diameter of the feed port 1 by 20-200 mm; the anti-swirl flow baffle 6 is arranged inside the inner sleeve 3, Stretch ribs 7 are added on the side, and the size of each baffle gradually decreases along the direction of feed flow,

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Abstract

The invention provides a feeding distributor with anti-cyclone baffle plate, which comprises an inner muffle, a cover plate, a guide plate and an anti-cyclone baffle plate. Wherein, the guide plate is arranged between the tower wall and the inner muffle; the surface of guide plate that back to the inlet has a strengthen bar; the anti-cyclone baffle plate is arranged at the inner side of inner muffle whose side surface has a tie-bar; another end of tie-bar is fixed on the inner muffle; the cover plate is annular at the top of inner muffle whose one end is fixed on the tower wall and another end is fixed on the inner muffle; the baffle plate is used to resist the revolution of ascending airflow to reduce the entrainment on the liquid and distribute the ascending airflow. The invention has the advantages that: it can eliminate the airflow revolution caused by cyclone material feeding and eliminate the entrainment on the liquid drops, to avoid the non-uniformity of gas caused by the break of flow area and speed.

Description

technical field [0001] The invention relates to a gas-phase and gas-liquid two-phase feeding device for a tower, and more specifically relates to a single-tangential or double-tangential feed distributor with an anti-swirl flow baffle. Background technique [0002] The tower is a gas-liquid, liquid-liquid contact mass transfer equipment widely used in the petroleum and chemical industry. In the past ten years, with the large-scale development of packed towers and plate towers, the uniform distribution of liquid and gas in the tower is a key issue in the expansion of the tower, especially the initial distribution of the inlet fluid has a significant impact on the separation efficiency of the tower . At present, most of the tower feed distributors used in the industry are mostly straight pipes with holes or other different feed flow guide devices to achieve uniform distribution of the flow in the tower. The rate of flow out of the openings is d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/18B01D3/26
Inventor 张吕鸿李鑫钢许长春姜斌杨汉斌罗铭芳
Owner TIANJIN UNIV
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