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Wide-ratio resistance and fine dust electrostatic precipitator and distribution method of dust-removing electrodes

A technology of electrostatic precipitator and distribution method, applied in electrostatic separation, electrostatic effect separation, electrode structure and other directions, can solve the problems of difficulty in reaching emission standards, poor removal effect of low specific resistance dust and fine dust, etc., to achieve perfect effect, The effect of reducing configuration costs and meeting gas emission standards

Active Publication Date: 2022-05-17
HEBEI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One of the purposes of the present invention is to provide a wide specific resistance and fine dust electrostatic precipitator to solve the problem that the existing electrostatic precipitator has poor removal effect on low specific resistance dust and fine dust and it is difficult to meet the discharge standard.

Method used

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  • Wide-ratio resistance and fine dust electrostatic precipitator and distribution method of dust-removing electrodes
  • Wide-ratio resistance and fine dust electrostatic precipitator and distribution method of dust-removing electrodes

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Such as figure 1 As shown, the housing 5 includes a straight section body 51 and a cone section body 52 located at both ends thereof, the outer ends of the two cone section bodies 52 are respectively connected with tuyere pipes, the tuyere pipe at the left end constitutes the air inlet 1, and the tuyere pipe at the right end The tube constitutes the air outlet 6 , the air inlet 1 is opposite to the air outlet 6 , and the center line of the straight section body 51 in the direction of the air inlet and outlet is kept parallel to the housing side wall 53 . Several layers of porous air equalizing plates 2 are arranged in the cone body 52 adjacent to one end of the air inlet 1 to equalize the air flow entering the housing 5 . A dust removal electrode composed of a number of corona wires 3 and a number of dust collection plates 4 is also arranged in the casing 5 . The corona wire 3 can use RS barbed wire or light round wire, and the dust collection plate 4 can use various p...

Embodiment 2

[0032] Such as figure 2 As shown, the shell structure in this embodiment, the row arrangement of the dust collection pole plates, the row arrangement of the corona wires, and the double-column distribution form of each row of dust collection pole plates, etc. are all exactly the same as those of embodiment 1, the difference One is to change the symmetrical arrangement of adjacent rows of dust collecting plates to the same arrangement of adjacent rows, and the second is to change the distribution of corona lines in rows from straight lines to triangular broken lines.

[0033] In this embodiment, the pole plate setting form and the pole plate arrangement form in each row of dust collecting pole plates 4 remain unchanged, and a corona wire 3 is correspondingly arranged on the middle vertical plane in front of each pole plate space, and the setting The distance between the corona wire 3 between the two rows of dust-collecting pole plates 4 and the two adjacent dust-collecting pol...

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Abstract

The invention discloses a wide-ratio resistance and fine dust electrostatic precipitator and a method for distributing dust-removing electrodes thereof. The electrostatic precipitator includes a housing, corona wires and dust collecting pole plates arranged in the housing. The dust collecting pole plates are arranged upright in rows in the housing, and the board surfaces of the dust collecting pole plates in each row are parallel to each other. And parallel to the center line of the air inlet and outlet direction of the shell; the arrangement of each row of dust collecting plates shows the arrangement of two rows of plates staggered along the line direction of the plates, and the same row of plates in the two rows of plates Between two adjacent dust-collecting pole plates, there is a space between the pole plates whose distance is smaller than the width of a single dust-collecting pole plate, and the pole plate space on each column of pole plates is replaced by the pole plate in another column of the same row. It is blocked by an empty dust-collecting pole plate; the corona wires are vertically distributed in rows between two adjacent rows of dust-collecting pole plates and between the outermost row of dust-collecting pole plates and the side wall of the casing. The invention improves the effect of the electrostatic precipitator, improves the removal efficiency of the electrostatic precipitator for fine dust, and expands the application range of the dust specific resistance.

Description

technical field [0001] The invention relates to a dry electrostatic precipitator, in particular to a wide-ratio resistance and fine dust electrostatic precipitator and a method for distributing the dust-removing electrodes. Background technique [0002] Atmospheric particulate matter is one of the main air pollutants. At present, the equipment mainly used to control atmospheric particulate pollutants is electrostatic precipitator. Due to the advantages of small pressure loss, large amount of flue gas treatment and high purification efficiency, electrostatic precipitators have been widely used in steel, electric power and other industries. The working principle of the electrostatic precipitator is that the dust collection process can be divided into four stages: corona discharge, charging of dust particles, directional movement of charged dust and dust collection. During the corona discharge process, the formed electron avalanche will generate an electric fluid with a certai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03C3/41B03C3/45B03C3/47
CPCB03C3/41B03C3/45B03C3/47B03C2201/04Y02A50/2351
Inventor 李庆张晓军侯雪超
Owner HEBEI UNIVERSITY