CN218516933U

CN218516933U - Wet electrostatic dust collector

Info

Publication number: CN218516933U
Application number: CN202222635610.1U
Authority: CN
Inventors: 韦晓春
Original assignee: Jiangsu Shuangfeng Environment Science And Technology Co ltd
Current assignee: Jiangsu Shuangfeng Environment Science And Technology Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-02-24
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a wet electrostatic precipitator, including the wet electrostatic precipitator casing, be equipped with a plurality of groups dust collecting module in the casing, casing upper portion is equipped with the gas vent, the casing lower part is equipped with the air inlet, and every dust collecting module includes the rectangle ring as the frame, sets up the positive pole pipe that a plurality of mutual close-proximatees set up in the rectangle ring, and positive pole pipe center is equipped with the corona wire, and its length direction's of perpendicular to cross sectional shape of positive pole pipe is the hexagon for two annulars and interior ring circular outer loop. The utility model discloses the form of circle foreign side is adopted to the anode tube for the electric field that forms between corona wire negative pole and anode tube positive pole is more even, and the entrapment dust effect is better, and dust removal effect obtains improving.

Description

Wet electrostatic dust collector

Technical Field

The utility model relates to a wet electrostatic precipitator.

Background

The wet electrostatic precipitator is an electrostatic precipitator which uses the modes of water spraying or overflow water and the like to form a layer of water film on the surface of a dust collecting electrode and realize the ash removal of a polar plate. The wet-type deashing can avoid the sediment dust to fly upward again, reaches very high dust collection efficiency. The operation is more stable because of no rapping device. Patent publication No. CN 210207224U: a wet electrostatic dust collector is characterized in that an air inlet is formed in the bottom of a tower body of the wet electrostatic dust collector, an air outlet is formed in the top of the tower body of the wet electrostatic dust collector, and a dust collection unit is arranged in the tower body of the wet electrostatic dust collector; the dust collection unit comprises at least one dust collection module, the dust collection module comprises anode tubes which are vertically arranged and a corona wire arranged in the centers of the anode tubes, the anode tubes are regular hexagonal anode tubes, and the adjacent regular hexagonal anode tubes share one edge; at least one insulating box is arranged outside the tower top of the wet electrostatic dust collector and connected with a corona wire of the dust collection unit. Although the corona wire is used for replacing the flexible electrode, the defect that the flexible electrode needs a heavy hammer for hanging is overcome, and the bottom of the dust collection unit does not need to be provided with a bottom electrode positioning and limiting device, so that the problem of temporary short circuit caused by insulation faults of the positioning and limiting device is solved, and the running stability of the wet electrostatic dust collector is improved. However, in the form of the honeycomb-type anode tube, the honeycomb-type anode tube still adopts the form of a regular hexagonal tube, and the generated electric field is not uniform, so that a good dust removal effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a wet electrostatic precipitator, the form of circle outside (circle hexagon outside the circle accurately said to be said) is adopted in the anode tube for the electric field that forms between corona wire (negative pole) and anode tube positive pole is more even, and the entrapment dust effect is better, and dust removal effect obtains improving.

In order to realize the above purpose, the technical scheme of the utility model is to design a wet electrostatic precipitator, including the wet electrostatic precipitator casing, be equipped with a plurality of groups dust module that gathers dust in the casing, casing upper portion is equipped with the gas vent, the casing lower part is equipped with the air inlet, every dust module that gathers dust includes the rectangular ring as the frame, sets up the positive pole pipe that a plurality of mutual next-door neighbour set up in the rectangular ring, and positive pole pipe center is equipped with the corona wire, and its length direction's of perpendicular to of positive pole pipe cross sectional shape is that dicyclo shape and inner ring are circular outer loop are the hexagon. The form of circle foreign side (accurately say that interior round hexagon) is adopted to the anode tube for the electric field that forms between corona wire (negative pole) and anode tube positive pole is more even, can make the air current contract and the air current enlarges in flowing the field, and then influences the power of ion wind vortex to flow field disturbance, and the dust of some edge air current direction movements of easier entrapment, thereby improves the dust collection efficiency of dust remover, and the entrapment dust effect is better, and the dust removal effect obtains improving.

The technical scheme is that the rectangular ring is vertically arranged, the lower end surface of the rectangular ring is an inclined surface inclined with the horizontal plane, and the upper end surface of the rectangular ring is a plane parallel to the horizontal plane; the lower end surface of the anode tube is also an inclined plane which is inclined with the horizontal plane. The rectangular ring is beneficial to installation and maintenance of the wet electrostatic dust collector, and the fixing difficulty of the corona wire at the center of each regular hexagonal anode tube is reduced, so that the temporary short circuit problem caused by the insulation problem is solved by omitting an electrode positioning and limiting device at the bottom of the dust collection module, and the wet electrostatic dust collector can stably operate; and the arrangement of the inclined plane of the lower end face of the rectangular ring is more convenient for the installation of the anode tube.

The further technical scheme is that each dust collecting module comprises a square pipe as an outer frame, and a plurality of rectangular rings which are arranged in a mutually adjacent mode are filled in the square pipe. Each dust collection module is set to be composed of a plurality of rectangular rings, so that the arrangement and installation of the anode tubes are facilitated.

The technical scheme is that adjacent square tubes are fixedly connected, and the square tube closest to the shell of the wet electrostatic dust collector is fixedly connected to the inner side wall of the shell of the wet electrostatic dust collector; the corona wire is made of a stainless steel wire, and the anode tube is made of a glass fiber reinforced plastic material.

The technical scheme is that the upper end of the corona wire exceeds the anode tube and is fixedly connected to the insulating box at the top of the wet electrostatic dust collector shell, a cross beam fixedly connected to the inner side wall of the wet electrostatic dust collector shell is arranged between the top wall of the wet electrostatic dust collector shell and the upper end of the anode tube, and the corona wire is fixedly connected with the cross beam. The corona wire is used for replacing a flexible electrode, and the defect that a heavy hammer needs to be hung on the flexible electrode is overcome.

The utility model has the advantages and beneficial effects that: the form of interior round side of foreign side (accurately say that interior round hexagon) is adopted to the anode tube for the electric field that forms between corona wire (negative pole) and anode tube positive pole is more even, can make the air current tighten and expand in the flow field, and then influences the power of ion wind vortex to flow field disturbance, and the dust of some edge air current direction movements of easier entrapment, thereby improves the dust collection efficiency of dust remover, and the entrapment dust effect is better, and dust removal effect obtains improving.

The rectangular ring is beneficial to installation and maintenance of the wet electrostatic dust collector, and the fixing difficulty of the corona wire at the center of each regular hexagonal anode tube is reduced, so that the temporary short circuit problem caused by the insulation problem is solved by omitting an electrode positioning and limiting device at the bottom of the dust collection module, and the wet electrostatic dust collector can stably operate; and the arrangement of the inclined plane of the lower end face of the rectangular ring is more convenient for the installation of the anode tube.

The corona wire is used for replacing the flexible electrode, and the defect that the flexible electrode needs a heavy hammer for hanging is overcome. Each dust collection module is formed by a plurality of rectangular rings, so that the arrangement and installation of the anode tubes are facilitated.

Drawings

FIG. 1 is a schematic view of a wet electrostatic precipitator of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of the square tube of FIG. 1;

fig. 4 is a perspective view of the rectangular ring of fig. 3.

In the figure: 1. a wet electrostatic precipitator housing; 2. an exhaust port; 3. an air inlet; 4. a rectangular ring; 5. an anode tube; 6. a corona wire; 7. square tubes; 8. an insulating case; 9. a cross member.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 4, the utility model relates to a wet electrostatic precipitator, including wet electrostatic precipitator casing 1, be equipped with a plurality of groups dust collecting module in the casing, casing upper portion is equipped with gas vent 2, the casing lower part is equipped with air inlet 3, every dust collecting module includes rectangular ring 4 as the frame, sets up the positive pole pipe 5 that a plurality of mutual next-door neighbour set up in the rectangular ring 4, and positive pole pipe 5 center is equipped with corona wire 6, and its length direction's of perpendicular to of positive pole pipe 5 cross sectional shape is double annular and the inner ring is the circular outer loop for the hexagon. The rectangular ring 4 is vertically arranged, the lower end surface of the rectangular ring 4 is an inclined plane inclined with the horizontal plane, and the upper end surface of the rectangular ring 4 is a plane parallel to the horizontal plane; the lower end surface of the anode tube 5 is also an inclined surface inclined with the horizontal plane. Each dust collection module comprises a square pipe 7 serving as an outer frame, and a plurality of rectangular rings 4 which are arranged close to each other are filled in the square pipe 7. The adjacent square tubes 7 are fixedly connected, and the square tube 7 closest to the wet electrostatic dust collector shell 1 is fixedly connected to the inner side wall of the wet electrostatic dust collector shell 1; the corona wire 6 is made of a stainless steel wire, and the anode tube 5 is made of a glass fiber reinforced plastic material. The upper end of the corona wire 6 exceeds the anode tube 5 and is fixedly connected to an insulating box 8 at the top of the wet electrostatic dust collector shell 1, a cross beam 9 fixedly connected to the inner side wall of the wet electrostatic dust collector shell 1 is arranged between the inner top wall of the wet electrostatic dust collector shell 1 and the upper end of the anode tube 5, and the corona wire 6 is also fixedly connected with the cross beam 9.

The working principle is as follows:

an electric field is formed between the corona wire (cathode) and the anode of the anode tube, and the discharge electrode generates corona area discharge to ionize air molecules and instantly generate a large amount of electrons, positive ions and negative ions. When the particles in the flue gas pass through the space, the particles are forced to be charged, and the particles are condensed and move directionally under the action of the electric field force, so that the aim of trapping is fulfilled.

The anode tube is mounted and fixed in the following way: firstly, a baffle plate matched with the size and shape of the lower end face (or larger than the size of the lower end face) is arranged on the inclined lower end face of the rectangular ring, then anode tubes on the hexagonal outer wall are placed into the rectangular ring one by one, because the lower end face is an inclined plane, the anode tubes are closely adjacent to each other after being placed into the rectangular ring, then workers weld above the rectangular ring, then the baffle plate below the rectangular ring is taken off, then the anode tubes are welded to the rectangular ring below the rectangular ring, and the adjacent anode tubes are also fixedly connected by welding to form { the rectangular ring can be transversely arranged to prevent the workers from climbing up and down, thus, only the end with the inclined plane is blocked by the baffle plate, then the anode tube at the other end is welded, and then the anode tube at the other end is welded by taking the baffle plate }.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a wet electrostatic precipitator which characterized in that, includes the wet electrostatic precipitator casing, is equipped with a plurality of groups dust module in the casing, and casing upper portion is equipped with the gas vent, and the casing lower part is equipped with the air inlet, and every dust module of gathering includes the rectangular ring as the frame, sets up the anode tube that a plurality of mutual close neighbours set up in the rectangular ring, and the anode tube center is equipped with the corona wire, and its length direction's of perpendicular to of anode tube cross-sectional shape is double ring shape and the inner ring is circular outer ring for the hexagon.

2. The wet electrostatic precipitator of claim 1, wherein the rectangular ring is vertically disposed, and the lower end surface of the rectangular ring is an inclined surface inclined to the horizontal plane, and the upper end surface of the rectangular ring is a plane parallel to the horizontal plane; the lower end surface of the anode tube is also an inclined plane which is inclined with the horizontal plane.

3. A wet electrostatic precipitator as claimed in claim 2, wherein each dust collecting module comprises a square pipe as an outer frame, and the square pipe is filled with a plurality of rectangular rings arranged adjacent to each other.

4. The wet electrostatic precipitator of claim 3, wherein adjacent square tubes are fixedly connected, and the square tube closest to the wet electrostatic precipitator housing is fixedly connected to the inner side wall of the wet electrostatic precipitator housing; the corona wire is made of a stainless steel wire, and the anode tube is made of a glass fiber reinforced plastic material.

5. A wet electrostatic precipitator as claimed in claim 1 or 4, wherein the corona wire is provided with an upper end thereof extending beyond the anode tube and fixedly connected to the insulating box at the top of the wet electrostatic precipitator casing, a cross member fixedly connected to the inner side wall of the wet electrostatic precipitator casing is provided between the top wall of the wet electrostatic precipitator casing and the upper end of the anode tube, and the corona wire is further fixedly connected to the cross member.