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Desulfurizing tower

A desulfurization tower and desulfurization liquid technology, applied in the field of desulfurization tower, can solve the problems of desulfurization reaction, large solution circulation volume, large sulfur paste resistance, etc., and can adjust the liquid level and circulation volume, increase the contact area, and operate with great flexibility Effect

Inactive Publication Date: 2011-04-13
SINOFERT HOLDINGS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the increasing application of packed desulfurization towers, its disadvantages are becoming more and more prominent, such as uneven distribution of solution, uneven distribution of gas, and large circulation of solution.
In particular, due to the fact that sulfur paste is easy to accumulate on the filler, and the workload of cleaning the filler is large and the cleaning is not thorough, the phenomenon of tower plugging in the packed tower is more and more serious, which seriously affects the enterprise. normal production
[0004] In addition, due to the structure of the packed tower, the gas and the desulfurization liquid only contact and react on the surface of the desulfurization liquid. The contact between the gas and the desulfurization liquid is sufficient, so the reaction process is slow, and the desulfurization reaction is not thorough enough. At the same time, due to the sulfur paste The resistance caused by accumulation is high, making the efficiency low

Method used

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Embodiment 1

[0027] Such as figure 1 As shown, the desulfurization tower of the present invention includes a tower body, the top of the tower body is provided with an air outlet, the upper part of the tower body is provided with a feed inlet, the lower part of the tower body is provided with an air inlet, and the lower part of the tower body is also provided with a liquid outlet. The liquid outlet is arranged below the air inlet, and a gas-liquid contact plate 8 that can accumulate desulfurization liquid is provided between the inlet and the air inlet. The gas-liquid contact plate 8 is provided with a plurality of The air inlet enters the small hole through which the mixed gas in the tower body passes.

[0028] In this embodiment, the gas-liquid contact plate 8 adopts three layers, and the liquid descending channel adopts a downcomer 9.

[0029] The tower body is provided with a foam barrier 5, a liquid distributor 7 and a three-layer gas-liquid contact plate 8 from top to bottom. The three-la...

Embodiment 2

[0037] The difference between this embodiment and Embodiment 1 is that in this example, only two layers of gas-liquid contact plates 8 are used, and two downcomers 9 are also used, and the two downcomers respectively pass through the two gas-liquid contact plates. The lower port of the lower downcomer is in communication with the liquid collection chamber 10.

[0038] The other structures and uses of this embodiment are the same as those of Embodiment 1, and will not be repeated here.

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Abstract

The invention provides a desulfurizing tower which comprises a tower body, wherein an air outlet is arranged at the top of the tower body; a feed inlet is arranged at the upper part of the tower body; and an air inlet is arranged at the lower part of the tower body. In the tower body, a gas-liquid contact plate (8) is arranged between the feed inlet and the air inlet and provided with a plurality of small holes. The desulfurizing tower solves the problem of tower plugging due to fillers in the desulfurizing tower, and has simple and reliable structure and efficient and quick gas-liquid reaction process.

Description

Technical field [0001] The invention belongs to the technical field of chemical equipment, and specifically relates to a desulfurization tower. Background technique [0002] At present, most desulfurization towers for wet desulfurization basically use packed towers, in which the packing acts as a gas-liquid contact surface. The mixed gas (usually including hydrogen, carbon dioxide, hydrogen sulfide and other gases) enters the desulfurization tower from the bottom of the tower, passes through the packing layer and the desulfurization liquid flowing down from the top of the tower from bottom to top (the main component is Na 2 CO 3 Solution) contact and react. The chemical reaction formula of the reaction is: Na 2 CO 3 +2H 2 S=2NaHS+CO 2 +H 2 O, the final product is sodium hydrosulfide. [0003] However, with the continuous expansion of the production scale of enterprises and the diversification of subsequent product adjustments, enterprises have different requirements for desulfuriz...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/52
Inventor 金管会曲兆庚
Owner SINOFERT HOLDINGS
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