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Demister for wet desulphurization tower and wet desulphurization tower

A wet desulfurization and demister technology, applied in the field of demisters and wet desulfurization towers, can solve the problems of the quality and service life of the demister, the adjustment of the distance and length of the demister, and the high technical requirements of welding workers. , to achieve the effects of increasing production burden, efficient defogging, and improving defogging efficiency

Pending Publication Date: 2020-12-18
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the opening between the baffles of this demister is very small, and it is difficult for the spray pipe to scour the corners of the baffles, which causes the soft dirt at the corners to accumulate more and more to form hard dirt, which makes the Spray pipes are more difficult to clear, creating a vicious cycle that eventually clogs the demister
Third, most of the existing demisters have an integrated structure, and the clips and blades are welded and fixed during the production process
This method requires a lot of welding work, which makes it difficult to disassemble and assemble the demister, and also causes great inconvenience to maintenance and cleaning. Welding workers have high technical requirements and are prone to welding quality problems
Solder joints are also prone to corrosion and rust, which affects the quality and service life of the demister

Method used

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  • Demister for wet desulphurization tower and wet desulphurization tower
  • Demister for wet desulphurization tower and wet desulphurization tower
  • Demister for wet desulphurization tower and wet desulphurization tower

Examples

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Effect test

Embodiment 1

[0027] Embodiment one: if image 3 , 4 , 5, the present embodiment comprises several defogging blades 2 arranged side by side to form, and each defogging blade 2 is vertically arranged, and the defogging blade 2 is divided into two equal-length defogging sections 21 from bottom to top, each section The vertical cross-section of the defogging section 21 has a circular arc structure, and the centers of the circular arc structures on adjacent defogging sections 21 are alternately located on both sides of the defogging blade 2 . Here, the number of defogging sections 21 at the same defogging blade 2 can be adjusted as required. In this embodiment, there are two sections, namely an upper defogging section 211 and a lower defogging section 212 (the upper and lower positions are separated by Figure 5 in the middle direction as an example). The tangents of the upper defogging section 211 and the lower defogging section 212 at the joint are parallel to each other, that is, the tange...

Embodiment 2

[0032] Embodiment two: if Image 6 As shown, the difference between this embodiment and Embodiment 1 is that this embodiment further includes a terminal defogging device 5 installed above the defogging blade 2 . The terminal defogging device 5 includes a base 51 erected on the upper end of each defogging blade 2, on which a number of wool-like glass fibers 52 arranged obliquely upward are fixed, and on the same base 51, the wool-like glass fibers 52 Set across the gap between the upper ends of two adjacent defogging blades 2, as shown in the figure, across the gap where the base 51 is located; the diameter of the hairy glass fiber 52 is 0.8mm, and the diameter of the hairy glass fiber 52 on the same base 51 The quantity is 8 pieces per cm length. Wherein, the effect of hairy glass fiber 52 is to increase the catch area to the droplet in the flue, with respect to the mist eliminator in the embodiment one, the mist eliminator equipped with this end demister device 5, its demist...

Embodiment 3

[0033] Embodiment 3: This embodiment protects a wet desulfurization tower, which includes a wet desulfurization tower body with a flue, and a flue gas inlet connected to the flue is provided on the wet desulfurization tower body and flue gas outlet, the wet desulfurization tower body is also installed with a demister, and the demister adopts the demister disclosed in Embodiment 1.

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Abstract

The invention discloses a demister for a wet desulphurization tower, which comprises a plurality of demisting blades arranged side by side, each demisting blade is vertically arranged, and each demisting blade is divided into a plurality of demisting sections with the same length from bottom to top; the vertical cross section of each demisting section is of an arc structure, and the circle centersof the arc structures on the adjacent demisting sections are located on the two sides of the corresponding demisting blade in a staggered mode. A traditional baffle plate is improved to be of a novelarc structure, the demisting effect can be greatly improved, the liquid drop trapping efficiency reaches 96.5% and is far higher than 85% of that of the traditional baffle plate, and therefore the demisting efficiency is improved. The overall investment cost is low, and the production burden is not increased. The invention discloses the wet desulphurization tower.

Description

technical field [0001] The invention relates to a mist eliminator, in particular to a mist eliminator used in a wet desulfurization tower. [0002] The invention relates to a wet desulfurization tower, in particular to a wet desulfurization tower with a demister. Background technique [0003] The world's largest coal-producing country is also a big coal-consuming country. It needs a large amount of coal for power generation every year. The air pollutants produced by coal have brought serious impacts on the environment. Wet flue gas desulfurization technology is one of the most widely used pollutant gas control technologies in coal-fired power plants. [0004] Such as figure 1 It is a schematic diagram of the structure of a traditional wet desulfurization tower. The wet desulfurization tower includes tray 11, first desulfurization spray layer 12, second desulfurization spray layer 13, plate flow plate demister 14, liquid collection device 15, third desulfurization spray la...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/48B01D45/08
CPCB01D53/78B01D53/48B01D45/08
Inventor 金玉珍周煌
Owner ZHEJIANG SCI-TECH UNIV
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