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Liquid guide flow type vertical sieve tray device

A sieve tower, liquid technology, applied in distillation separation, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of reducing the separation efficiency of trays, affecting the uniformity and ordering, etc.

Active Publication Date: 2011-06-08
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

All of the above aspects affect the uniformity and orderliness of liquid flow on this type of vertical sieve tray, thereby reducing the separation efficiency of the tray.

Method used

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  • Liquid guide flow type vertical sieve tray device
  • Liquid guide flow type vertical sieve tray device
  • Liquid guide flow type vertical sieve tray device

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Embodiment Construction

[0023] The present invention is further described in conjunction with accompanying drawing:

[0024] The structure of a liquid diversion type vertical sieve tray device is mainly composed of baffle plates and traditional gas-liquid contact mass transfer elements. Wherein the baffle can be a rectangular baffle (such as Figure 4 shown), or round baffles (such as Figure 5 shown), the entities of the two types of baffles all include the bottom surface 3, the side end surface 2 and the rear end surface 1, specifically, the front end surface 8 and the upper end surface 9 are completely open, and the rear end surface 1 and the bottom surface 3 are closed. In addition, the baffle plate The side end surface 2 and the bottom surface 3 are 90°, 110°, 135°, and the opening area of ​​the bottom surface 3 is circular or square; the types of traditional gas-liquid contact mass transfer elements combined with baffles are trapezoidal (such as Figure 6 shown), rectangle (such as Figure 7...

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Abstract

The invention relates to a liquid guide flow type vertical sieve tray device. A mass transfer element on the tray mainly comprises a baffle and a traditional gas-liquid contact mass transfer element which are combined, wherein the baffle body comprises a bottom surface (3), a side end face (2) and a rear end face (1); a gap is formed between the rear end face (1) of the baffle and an end plate (7) of the mass transfer element or a jet plate (6) and between the bottom surface (3) of the baffle and a board of the tray (10); a part of area on the bottom surface (3) of the baffle is hollow; and the section of the hollow part is welded with the jet plate (6) of the gas-liquid contact mass transfer element. The liquid guide flow type vertical sieve tray device effectively realizes uniform flow of gas-liquid two phases and avoids back-mixing and local backflow of the liquid phase. Meanwhile, the gas-liquid two phases can be better separated under the impact action between a gas-liquid two phase mixture jetted by the mass transfer element and the baffle; the retention time of the gas phase in the liquid phase is reduced; gas entrainment is reduced; and the operation resilience and the separation efficiency of the tray are improved.

Description

technical field [0001] The invention relates to a liquid diversion type vertical sieve tray device, which belongs to the optimization of the structure of a new type of inner part of a tray tower used in the field of petrochemical industry. Background technique [0002] Tray tower is an important separation equipment in the petrochemical field such as rectification, absorption and other unit operations. Because of its simple structure, easy to scale up, large production capacity, high mass transfer efficiency and large operating flexibility, it plays an important role in the current chemical industry. It plays a very important role, so the design and development of new high-efficiency trays has very practical significance. Based on this, for a long time, people have developed more than 80 new types of trays around the purpose of high efficiency, large flux, wide flexibility, and low pressure drop. Among these new types of trays, vertical sieve trays have attracted widespread...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/18B01D3/22
Inventor 刘春江赵丹袁希钢
Owner TIANJIN UNIV
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