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Flue gas desulfurization device

A desulfurization device and flue gas technology, applied to the separation of dispersed particles, chemical instruments and methods, separation methods, etc., can solve the problems of insufficient flue gas desulfurization effect, insufficient contact between absorption liquid and flue gas, and high consumption of absorption liquid. , to achieve the effect of improving the desulfurization effect, improving the desulfurization effect, and improving the absorption effect

Active Publication Date: 2019-12-20
苏州仕净科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Whether the contact between the absorbing liquid and the flue gas is sufficient has a great influence on the desulfurization effect, but in the prior art, there is a problem of insufficient contact between the absorbing liquid and the flue gas through simple spraying, which may easily lead to insufficient flue gas desulfurization effect, or Problems such as excessive consumption of absorption fluid

Method used

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  • Flue gas desulfurization device
  • Flue gas desulfurization device
  • Flue gas desulfurization device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as figure 1 As shown, a flue gas desulfurization device in this embodiment includes: a desulfurization tower body 1, a wet filter assembly 2 arranged inside the desulfurization tower body 1, and a spray assembly 3 for supplying absorption liquid into the desulfurization tower body 1 And a gas distribution component 4 for delivering the flue gas to be treated to the desulfurization tower body 1;

[0039] The wet filter assembly 2 includes several cassette filters 20 stacked along the height direction of the desulfurization tower body 1. The cassette filters 20 are in the shape of an inverted trapezoid with an inverted trapezoid cavity 21 inside, and the cassette filter The device 20 has a densely arranged microporous structure that runs through its body for the passage of smoke;

[0040] The air distribution assembly 4 includes an air inlet pipe 40 , a first air distribution pipe 41 and a second air distribution pipe 42 communicating with the air inlet pipe 40 , an...

Embodiment 2

[0045] On the basis of embodiment 1, more specifically, refer to Figure 7-8 , in this embodiment, the lower end of the adapter tube head 43 communicates with the inside of the liquid guide box 45 through a constricted tube 46 . The second air distribution pipe 42 is provided with a liquid blocking pipe section, which is an upwardly protruding inverted V-shaped pipe section 47 arranged in the middle of the second air distribution pipe 42 . The lower circular opening 440 of the cone air distribution cylinder 44 is smaller than its upper circular opening 441, and the outlet end of the first air distribution pipe 41 is connected to the side of the upper circular opening 441 of the cone air distribution cylinder 44, and the first air distribution pipe 41 The outlet end of the upper circular opening 441 is arranged along the tangential direction of the outer periphery.

[0046] The top of the cassette filter 20 is provided with a protruding edge 22 toward the outer periphery, and ...

Embodiment 3

[0051] This embodiment is a further embodiment on the basis of embodiment 2, refer to Figure 2-6 , wherein, the liquid guide groove 24 includes a liquid distribution groove section 25 and a drainage groove section 26, the liquid distribution groove section 25 is a tree-like bifurcated structure, the liquid inlet end of the upper part communicates with the liquid inlet hole 23, and the lower part of the tree-like bifurcation A plurality of branch streams 27 are formed, and the liquid outlets of the branch streams 27 are connected to a drainage groove segment 26 . The spray assembly 3 includes an infusion pipe 30, a spray head 31 communicated with the infusion pipe 30 and arranged above the wet filter assembly 2, a number of liquid distribution pipes 32 communicated with the infusion pipe 30, and a dropper connected to the outlet end of the liquid distribution pipe 32. A dripper is correspondingly provided above the liquid inlet hole 23 of each cartridge filter 20 . By setting...

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Abstract

The invention discloses a flue gas desulfurization device. The flue gas desulfurization device comprises a desulfurization tower body, a wet filtering assembly, a spraying assembly and a gas distributing assembly, wherein the wet filtering assembly is arranged in the desulfurization tower body; the spraying assembly is used for supplying absorbing liquid to the desulfurization tower body; the gasdistributing assembly is used for conveying to-be-treated flue gas into the desulfurization tower body; the wet filtering assembly comprises a plurality of box filters which are arranged along the height direction of the desulfurization tower body in a stacked way; and microporous structures which are arranged densely and run through the main bodies of the box filters are arranged on the box filters and are used for flue gas to pass through. According to the flue gas desulfurization device provided by the invention, on one hand, through the box filters, complete contact of the flue gas and theabsorbing liquid can be guaranteed and the desulfurization effect of the flue gas is effectively improved; and on the other hand, spiraling gas flow is formed through the gas distributing assembly, so the desulfurization effect can be further improved and the desulfurization efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of waste gas treatment, in particular to a flue gas desulfurization device. Background technique [0002] With the development of our country's economy and the progress of society, the problem of environmental protection is becoming more and more serious. Now the problem of acid rain is an important issue of national prevention and control. The main component of acid rain is sulfur dioxide. There is a large amount of SO in power plant flue gas, coke oven flue gas, boiler flue gas, and steel plant flue gas 2 , SO 3 , so these flue gases need to be desulfurized. The desulfurization processes currently used mainly include dry process and wet process. [0003] The wet process has fast reaction speed, high efficiency, and high utilization rate of desulfurization additives. It is widely used. Usually, calcium hydroxide and other slurries are used as the absorption liquid and sprayed countercurrently with the gas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/50
CPCB01D53/504
Inventor 董仕宏吴倩倩张世忠
Owner 苏州仕净科技股份有限公司
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