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Demister

A technology of mist eliminator and mist eliminator, applied in chemical instruments and methods, dispersed particle separation, separation method, etc., can solve the problems of easy blockage, low removal rate of small particle size droplets, and difficult washing of mist eliminator, etc. Achieve the effects of not easy deposition, flexible use, and novel structure design

Active Publication Date: 2016-02-03
马鞍山雾净环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A problem commonly faced by existing demisters is the low removal rate of small-sized mist droplets, difficulty in flushing the demister, and easy clogging

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0042] Such as Figure 1 to Figure 6 The shown demister is composed of a plurality of overall or partial regular hexagonal demister units 1 spliced ​​and combined.

[0043] The defogging unit 1 is surrounded by six plates to form a regular hexagonal cylindrical frame 2. The middle part of the frame 2 is a chamber through which gas can pass, and four inclined arc defogging blades 301 are installed. Two ends of the defogging blades 301 in the longitudinal direction are connected in pairs to form a blade group, and the joints 306 are arched upwards, so that the defogging blades are inclined longitudinally, and the inclination angle is not less than 15°. The other end of the defogging blade 301 is fixed on the side wall of the support frame 2 , and the liquid-containing gas enters the demister from below the concave surface of the defogging blade 301 .

[0044] In order to ensure the stability of the connection of the defogging blades, a support member can be provided at the join...

Embodiment 2

[0060] Such as Figure 7 to Figure 10 As shown, a square defogging unit 4 includes a support frame surrounded by four boards, a blade group 302 and a blade group 303 are arranged inside the frame, and each blade group is formed by docking two defogging blades. The other ends of the mist blades are respectively fixed on the side walls 401 and 402 of the support frame, the butt joints in the middle of the blade groups are arched downwards, the concave surface of the defogging blades is downward, and the gas enters the defogging unit from bottom to top.

[0061] The vane sets 302 are staggered and placed on the upper layer of the vane sets 303 , covering the gap channels for gas passing between the vane sets 303 and the side walls of the support frame. Such as Figure 8 As shown, the top view of the combination of several square demister units, each layer of blades completely covers the air inlet of the demister. In addition to the clamping method, the demisting units can also ...

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Abstract

The invention discloses a demister. The demister is characterized by comprising a) one or more layers of demisting blades perpendicular to the overall air inlet direction of the demister; and b) a supporting structure for fixing the demisting blades, wherein the demisting blades comprise a curved section; the concave surface faces the airflow, the transverse section of the curved section is in a gradual arc curve shape, and the curvature of the cross section is gradually increased along the airflow direction. The demister disclosed by the invention is novel and simple in structural design and flexible in arrangement mode and has the advantages of small resistance and deposition difficulty. Flushing equipment is not needed to be additionally arranged, the demister is particularly applied to removing liquid drops in the purified flue gas in a wet flue gas treatment system, and gases meeting the humidity requirement are exhausted.

Description

technical field [0001] The invention relates to a gas-liquid separation device used in the industrial field, in particular to a mist eliminator suitable for industrial applications. Background technique [0002] Wet desulfurization process is a commonly used industrial flue gas desulfurization treatment method, such as ammonia method, sodium method, limestone-gypsum method desulfurization. In the desulfurization process, the smaller slurry particle size helps the gas-liquid reaction to proceed quickly. However, the flue gas after desulfurization will be full of slurry droplets, and the small-sized droplets are easily carried by the airflow, causing contamination and serious corrosion of fans, heat exchangers, and flue ducts. Therefore, the purified flue gas should be cleaned before leaving the absorption tower Need to go through defogging. The demister with small pressure loss, high air velocity and high demisting efficiency is an important link to ensure the normal operati...

Claims

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Application Information

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IPC IPC(8): B01D45/06B01D45/16
Inventor 聂江宁凌斌徐家礼
Owner 马鞍山雾净环境科技有限公司
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