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High-efficient demisting device in wet desulfurization tower

A technology of wet desulfurization and defogging devices, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles. Improve efficiency, speed up the process of flue gas demisting, and improve the service life

Pending Publication Date: 2017-11-07
HARBIN WEILAN ENVIRONMENTAL PROTECTION EQUIP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of poor defogging effect of the existing wet desulfurization tower demisting device and difficult cleaning of attachments attached to the demister, and further provide a high-efficiency wet desulfurization tower internal demisting device

Method used

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  • High-efficient demisting device in wet desulfurization tower
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  • High-efficient demisting device in wet desulfurization tower

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specific Embodiment approach 1

[0030] Specific implementation mode one: combine Figure 1-Figure 7 Describe this embodiment, a high-efficiency wet desulfurization tower internal defogging device in this embodiment includes a desulfurization tower body 1, an alkali-water mixing device 2, a spray device 3, a folding plate demister 4, and a spray drive device 5 , the alkaline water mixing device 2 is installed on the outer wall of the desulfurization tower body 1, the alkaline water mixing device 2 provides water source for the spraying device 3, and the spraying device 3 and the folding plate demister 4 are arranged on the desulfurization tower from top to bottom. In the tower body 1, the folding plate demister 4 is rotatably installed in the tower body 1 of the desulfurization tower;

[0031] The spray device 3 includes a support seat 31, a spray pipe mounting seat 32, a support frame 33, a spray pipe 34, a support seat mounting cover 35, a first bevel gear 36 and a water pipe universal joint 37. The support...

specific Embodiment approach 2

[0033] Specific implementation mode two: combination Image 6 To illustrate this embodiment, a plurality of rotating nozzles 8 are regularly arranged on the spray pipe 34 of a high-efficiency wet desulfurization tower internal defogging device of this embodiment. In this way, under the action of the rotating nozzle 8, the solution sprayed by the spray pipe is in the form of diffused mist.

specific Embodiment approach 3

[0034] Specific implementation mode three: combination image 3 , Figure 4Describe this embodiment, the alkaline water mixing device 2 described in a high-efficiency wet desulfurization tower internal defogging device of this embodiment includes a water storage tank 21, a feed tank 22 and a mixing tank 23, and the mixing tank 23 is a bucket Shape feed box, feed box 22 is connected with water storage tank 21 and mixing box 23 respectively, and the installation joint of water storage tank 21 and feeding box 22 has several water injection holes 24, the installation of feeding box 22 and mixing box 23 There are several through-holes 25 at the joint, a water inlet 26 is provided on the side wall of the water storage tank 21, a feed inlet 27 is provided at the upper end of the feed box 22, and a stirring shaft 28 is installed at the bottom of the mixing box 23, and the stirring shaft 28 passes through Bearing is installed on the front and back end faces of mixing box 23, and stirr...

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Abstract

The invention relates to a high-efficient demisting device in a wet desulfurization tower, belongs to the technical field of demisters, and aims at solving the problems that an existing demisting device in a wet desulfurization tower is poor in demisting effect and attachments attached to a demister are hard to wash. The demisting device comprises a desulfurization tower body, an alkaline water mixing plant, a spraying device, a folded-plate demister and a spraying drive device; the alkaline water mixing plant is installed on the outer wall of the desulfurization tower body and provides a water source for the spraying device, the spraying device and the folded-plate demister are arranged in the desulfurization tower body from top to bottom, and the folded-plate demister is rotatably installed in the desulfurization tower body. In the high-efficient demisting device in the wet desulfurization tower, 'mist' produced in an absorption tower during wet desulfurization is processed through the spraying device and the folded-plate demister, the demisting process is accelerated, there is no need to arrange a long buffer path for the smoke, and the occupied area of a wet desulfurization system is reduced.

Description

technical field [0001] The invention relates to a demister device in a high-efficiency wet desulfurization tower, which belongs to the technical field of demisters. Background technique [0002] In wet desulfurization, during the operation of the absorption tower, it is easy to produce "fog" with a particle size of 10-60 microns. "Fog" not only contains water, but also dissolves sulfuric acid, sulfate, sulfur dioxide, etc. , Heat exchangers and flue contamination and severe corrosion, therefore, the wet desulfurization process requires demisting of the absorption equipment, and the purified gas must be demisted before leaving the absorption tower. [0003] The mist eliminators in the prior art have poor demisting effect, and a large amount of mist in the exhaust gas has not been removed. If the mist carrying corrosive substances is not removed, it will cause corrosion of subsequent processing equipment. If the mist is directly discharged to the outside , will cause serious ...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/50B01D45/08
CPCB01D45/08B01D53/504B01D53/78
Inventor 白雪孙洪志吴凤刚王海军吴凤龙陈长伟韩洪涛
Owner HARBIN WEILAN ENVIRONMENTAL PROTECTION EQUIP MFG
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