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Streamline-type two-passage demister with optimized barb

A demister and streamlined technology, applied in the field of streamlined two-channel demister with optimized barbs, can solve the problems of large pressure drop and low demisting efficiency, achieve pressure drop, overcome low demisting efficiency, and be easy to implement Effect

Inactive Publication Date: 2015-07-01
SANHE POWER GENERATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional streamlined two-channel hooked blade has a high critical flow rate and is easy to clean. It is currently widely used in large-scale desulfurization equipment, but most of them have the problems of low demisting efficiency or large pressure drop.

Method used

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  • Streamline-type two-passage demister with optimized barb
  • Streamline-type two-passage demister with optimized barb

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Embodiment Construction

[0012] The present invention provides a streamlined two-channel demister with optimized barbs. The present invention will be further described below in conjunction with the accompanying drawings.

[0013] exist figure 1 Among them, the demister system is composed of demister blade assembly 1, demister blade support structure 2, demister support beam 3, flushing pipeline 4 and flushing pipeline support system 5, and its basic structure is the same as that of FLAT MEV25 / 40 The type of demister is the same, the demister blade assembly 1 is made up of a plurality of demister blades 6 spliced ​​in pairs by clamps, and every two demister blades form a fluid channel. The demister blade 6 is composed of a streamlined blade and a demister barb 7. The demister barb is placed at a vertical height of 69.5mm from the demister inlet, and the angle between the barb and the vertical direction is 36°. °. The demister barb 7 is made up of a straight line segment and an arc line segment, the s...

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Abstract

The invention discloses a streamline-type two-passage demister with an optimized barb, belonging to a demisting device of a wet flue gas desulfurization system. The demister is composed of a plurality of demister blade components; each demister blade component is further composed of two adjacent demister blades which are fixedly connected by virtue of a fixture; a flow passage is formed by every two demister blades; a demister barb is arranged at the inlet of the demister; the demister barb is composed of a linear section and an arc section; and the arc section and the linear section are tangent at 1 / 4 arc. The demister disclosed by the invention is simple in structure, easy to implement, convenient in on-site installation, and capable of minimizing pressure drop while guaranteeing the demisting efficiency.

Description

technical field [0001] The invention belongs to the scope of a demisting device of a wet flue gas desulfurization system, in particular to a streamlined two-channel demister with optimized barbs. Background technique [0002] In the wet desulfurization process, the flue gas treated by the absorption tower entrains a large number of slurry droplets, and the higher the flue gas flow rate, the more droplets it carries. If these droplets are not removed, it will not only accelerate the corrosion of the equipment due to the formation of gypsum scale deposited on the surface of the equipment downstream of the absorption tower, but also affect the heat exchange efficiency of the flue gas heater. If the flue gas wet discharge method is used, it will cause pollution of the surrounding environment of the power plant due to "rainfall" (discharge of liquid, solid or slurry) in the chimney. The mist eliminator is the key equipment in the flue gas desulfurization system of coal-fired or ...

Claims

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Application Information

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IPC IPC(8): B01D45/08
CPCB01D45/08
Inventor 张翼王通卢权彰金宝吕玉坤
Owner SANHE POWER GENERATION