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Wave baffle type mist eliminator

A technology of mist eliminators and baffles, which is applied in chemical instruments and methods, dispersed particle separation, separation methods, etc. Air volume is not the same and other problems, to achieve the effect of improving the overall effect, reducing the pressure drop, and improving the efficiency of demisting

Inactive Publication Date: 2007-08-01
CHANGZHOU 3C HAIPENG ENVIRONMENTAL EQUIP
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing design of demisters adopts the design of each demister unit according to the uniform average flow rate, regardless of the fact that the flue gas volume of each demister in actual operation is not the same
[0005] For a V-shaped or inverted V-shaped demister unit, when the actual flow direction of the flue gas deviates from the centerline of the demister, it will cause the demister blades on both sides of the V-shaped demister unit The amount of flue gas flowing through the channels is different, resulting in excessive secondary entrainment on one side, and poor demisting ability on the other side, resulting in poor overall performance of the demister

Method used

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  • Wave baffle type mist eliminator
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  • Wave baffle type mist eliminator

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no. 1 example

[0031] The relative arrangements of the first-stage mist eliminator assembly and the second-stage mist eliminator assembly can be varied, that is, the cross-sections of the two-stage mist eliminator assemblies can be arranged opposite to each other, or arranged identically to each other. Specifically, there are four typical arrangements as follows. Figure 1 shows the first embodiment of the present invention, that is, the V-shaped opening of the first-stage mist eliminator assembly 11 faces away from the flue gas flow. direction, the V-shaped opening of the section of the second-stage mist eliminator assembly 21 faces the direction of the flue gas flow; Figures 3, 4 and 5 respectively show several other layout forms.

[0032] Fig. 3 is a partial enlarged view of a vertical section of a structure of a two-stage mist eliminator according to a second embodiment of the present invention. The feature of this arrangement is that the cross-section V-shaped opening of the first-stage ...

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PUM

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Abstract

The invention discloses a demister, it includes the first order demister (1), the second order demister (2), and the support beams (3) supporting these two demisters and washing water system. The first order demister (1) and the second order demister (2) are combined by certain number of the first order demister components (11) and the second order demister component (21) which section is similar with V-shape in rows and one by one, the central line (41) of the first order demister components (11) is coincidence with downstream gas velocity direction of the demister components. The invention enables the thruflow gas amounts of two sidewall demister vane channel s of V-shaped demister components are equivalent to avoid secondary entrained catalyst loss and poor demisting capacity and improve the demisting capacity of demister.

Description

technical field [0001] The invention relates to a demist device for separating liquid droplets and fine solid particles in gas, in particular to a corrugated baffle type demister. Background technique [0002] Mist eliminators are used to separate residual liquid droplets and / or particles in the flue gas washed by the absorption tower, and are usually installed on the top of the absorption tower, and two-stage mist eliminators are arranged in sequence along the direction of flue gas flow, and each stage is demistered The demister consists of several demister components. In the commonly used wave baffle type demister at present, each demister assembly is composed of a number of demister blades with a wave shape, and a certain distance is kept between the demister blades, and the passage between the blades constitutes the defogging channel. In the effective area, when the flue gas containing liquid droplets and / or particles enters the passage between the blades of the mist el...

Claims

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Application Information

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IPC IPC(8): B01D45/04
Inventor 李明惠
Owner CHANGZHOU 3C HAIPENG ENVIRONMENTAL EQUIP
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