CN114192283B

CN114192283B - Electrostatic powder removing device

Info

Publication number: CN114192283B
Application number: CN202111505701.7A
Authority: CN
Inventors: 柏建国
Original assignee: Hangzhou Xinhengnuo Machinery Co ltd
Current assignee: Hangzhou Xinhengnuo Machinery Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2023-03-24
Anticipated expiration: 2041-12-10
Also published as: CN114192283A

Abstract

The invention discloses an electrostatic powder removing device which comprises a shell, wherein an air inlet pipe and an air outlet pipe are respectively arranged at two ends of the shell, an electrostatic dust remover is arranged in the shell and comprises two positive plates which are symmetrically fixed on the inner wall of the shell, a top plate and a bottom plate are jointly arranged between the two positive plates, a plurality of arc-shaped guide sheets are jointly and symmetrically arranged between the top plate and the bottom plate, one end of each arc-shaped guide sheet is tightly propped against the positive plate on the corresponding side, a plurality of drain outlets are formed in the bottom plate, each drain outlet is arranged between the two adjacent arc-shaped guide sheets, and a negative plate is inserted in the top plate. Through utilizing the Bernoulli principle, when the dust air current removes dust through electrostatic absorption, realize adsorbing the automatic clearance of dust and the automatic diffusion of water smoke, simple structure, energy consumption are lower and maintain more conveniently, and have avoided the dust to be blown away by the air current in the electrostatic treatment process, and the dust treatment effect is better.

Description

Electrostatic powder removing device

Technical Field

The invention relates to the field of electrostatic dust collection, in particular to an electrostatic powder removing device.

Background

Current electrostatic dusting equipment adopts the mode that wind-force cooperation electrostatic field removed dust usually, dust gas rethread electrostatic field was adsorbed after the corona field was ionized promptly, it discharges to the ash bucket to drop under the action of gravity behind the adsorbed dust accumulation, and partial dust leads to receiving the attraction weakly along with the polar plate piles up the back and is leaded to attracting force, then remove along with the air current easily, lead to the dust to collect difficult and lead to the fact great burden to follow-up filter assembly, need frequently to change filter assembly, and the ash production on the polar plate needs regular cleaning in order to guarantee the electrostatic absorption ability of polar plate, it is comparatively troublesome to use the maintenance.

Disclosure of Invention

The invention aims to solve the defects that dust is easily influenced by airflow to move, so that the collection efficiency is poor, the filter assembly is burdened, the filter assembly needs to be frequently maintained and replaced and a polar plate needs to be cleaned in the prior art, and provides an electrostatic powder removing device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an electrostatic powder removing device, includes the shell, intake pipe and outlet duct are installed respectively to the both ends of shell, install electrostatic precipitator in the shell, electrostatic precipitator fixes two positive plates on the shell inner wall including the symmetry, two install roof and bottom plate between the positive plate jointly, common symmetry installs a plurality of arc guide vanes between roof and the bottom plate, every the one end of arc guide vane all tightly supports on the positive plate that corresponds the side, a plurality of drains have been seted up on the bottom plate, every the drain all sets up between two adjacent arc guide vanes, it is equipped with the negative plate to insert on the roof, the lower extreme of negative plate extends to the below of roof and the equidistance installs a plurality of negative pole ionization needles, every the lower extreme of negative pole ionization needle all fixes on the bottom plate, the upper end of negative plate extends to the top of shell, the lower fixed surface of bottom plate installs the blowdown fill, the sewage case is installed to the lower extreme of blowdown fill, the bilateral symmetry of sewage case inlays and is equipped with two ultrasonic atomization wares, install trachea and mist guide pipe on the ultrasonic atomization ware respectively, every all fixed mounting has on the lateral wall of positive plate, the mist guide pipe extends to the box one end of mist atomization box.

Preferably, a plurality of mist outlet pipes are inserted into one side, close to the positive plate, of each mist box, a plurality of positioning holes are formed in each positive plate, and the plurality of mist outlet pipes are respectively inserted into the plurality of positioning holes.

Preferably, the shell is including fixing the fixed frame in the bottom plate bottom, the last surface mounting of fixed frame has the clamshell, the clamshell cover is established on electrostatic precipitator, the symmetry is inserted between fixed frame and the clamshell and is established two and filter the otter board, two filter the otter board and hug closely one side that electrostatic precipitator is close to the intake pipe and one side of outlet duct respectively.

Preferably, two negative pressure air pipes are symmetrically installed on the upper surface of the sewage tank, one end, far away from the sewage tank, of each negative pressure air pipe extends into the air outlet pipe, and a sewage discharge pipe is installed at the bottom of the sewage tank.

Preferably, each positioning hole is located between two adjacent arc-shaped guide pieces, two fixing rods are symmetrically installed at the outer edge of each positioning hole on the inner side of the positive plate, two diffusion blocking pieces are installed on the two fixing rods on the outer side of each positioning hole, and each diffusion blocking piece is located between two adjacent arc-shaped guide pieces.

Preferably, one side of each arc-shaped guide vane, which is far away from the positive plate, is bent towards the air outlet pipe, and each negative electrode ionization needle is positioned between two symmetrical arc-shaped guide vanes.

The invention has the beneficial effects that: through utilizing the Bernoulli principle, when the dust air current removes dust through electrostatic absorption, realize adsorbing the automatic clearance of dust and the automatic diffusion of water smoke, simple structure, energy consumption are lower and maintain more conveniently, and have avoided the dust to be blown away by the air current in the electrostatic treatment process, and the dust treatment effect is better.

Drawings

FIG. 1 is a schematic structural view of an electrostatic powder removing device according to the present invention;

FIG. 2 is a schematic sectional view of a housing of an electrostatic precipitator according to the present invention;

FIG. 3 is an enlarged view of a positive plate portion of an electrostatic precipitator in accordance with the present invention;

FIG. 4 is a schematic diagram of a partially cut away positive plate of an electrostatic precipitator according to the present invention;

FIG. 5 is an enlarged view of a portion of the arc-shaped guide vane of the electrostatic precipitator according to the present invention;

fig. 6 is an enlarged view of a portion a in fig. 4.

In the figure: the device comprises a shell 1, an air inlet pipe 11, an air outlet pipe 12, a fixed frame 13, a shell cover 14, an electrostatic dust collector 2, a positive plate 21, a positioning hole 22, a top plate 23, a bottom plate 24, an arc-shaped guide sheet 25, a sewage discharge outlet 26, a fixing rod 27, a diffusion blocking sheet 28, a negative plate 3, a negative electrode ionization needle 31, a filter screen plate 4, a fog box 5, a fog outlet pipe 51, a sewage discharge hopper 6, a sewage tank 7, a negative pressure air pipe 71, a sewage discharge pipe 72, an ultrasonic atomizer 8, a water air pipe 81 and a fog guide pipe 82.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an electrostatic powder removing device comprises a housing 1, an air inlet pipe 11 and an air outlet pipe 12 are respectively installed at two ends of the housing 1, an electrostatic dust collector 2 is installed in the housing 1, the electrostatic dust collector 2 comprises two positive plates 21 symmetrically fixed on the inner wall of the housing 1, a top plate 23 and a bottom plate 24 are installed between the two positive plates 21, a plurality of arc-shaped guide pieces 25 are symmetrically installed between the top plate 23 and the bottom plate 24, one end of each arc-shaped guide piece 25 is tightly abutted to the positive plate 21 on the corresponding side, a plurality of drain outlets 26 are formed in the bottom plate 24, each drain outlet 26 is arranged between the two adjacent arc-shaped guide pieces 25, a negative plate 3 is inserted in the top plate 23, the lower end of the negative plate 3 extends to the lower side of the top plate 23 and is provided with a plurality of negative ionization needles 31 at equal intervals, the lower end of each negative ionization needle 31 is fixed on the bottom plate 24, the upper end of the negative plate 3 extends to the upper side of the housing 1, a drain hopper 6 is fixedly installed on the lower surface of the bottom plate 24, a drain hopper 6 is provided with a sewage tank 7, two ultrasonic atomizers 8 are symmetrically embedded on two sides of the ultrasonic atomizer 8, an ultrasonic atomizer box 82 is installed on the positive plate 8, and an ultrasonic mist guide box 82 is provided with a mist guide box 5, and an ultrasonic mist guide box 82, and an ultrasonic mist box 5 is provided with a mist guide box 5 far away from the ultrasonic atomizer box 5;

a plurality of mist outlet pipes 51 are inserted into one side of each mist box 5 close to the positive plate 21, a plurality of positioning holes 22 are formed in each positive plate 21, and the plurality of mist outlet pipes 51 are respectively inserted into the plurality of positioning holes 22.

The gas containing dust enters from the air inlet pipe 11, passes through the electrostatic dust collector 2 to remove the dust, and is finally discharged from the air outlet pipe 12, wherein the negative electrode plates 3 enable each negative electrode ionization needle 31 to carry high-voltage negative electricity, so that the air passing through the negative electrode ionization needles 31 is ionized into charged particles, the positive electrode plates 21 generate larger attraction to the charged air particles, the charged particles move to the positive electrode plates 21 on two sides, the charged particles contact the dust in the moving process to enable the dust to be charged and to move towards the positive electrode plates 21, the dust can be gathered towards two sides, and the gas with the dust removed continuously flows and is discharged from the air outlet pipe 12, so that the dust removing effect is achieved;

the ultrasonic atomizer 8 can generate water mist through ultrasonic vibration waves, the generated water mist enters the mist box 5 through the mist guide pipe 82, when air flow between the two positive plates 21 flows, according to Bernoulli's principle, the air pressure between the two positive plates 21 is smaller than the air pressure on two sides of the positive plates 21, so that the water mist in the mist box 5 flows between the two positive plates 21, can be combined with dust and flows out from the sewage outlet 26 along the downward flow of the inner side walls of the positive plates 21, the purpose of automatically removing the dust adsorbed by static electricity is achieved, regular cleaning is not needed, and the device is more convenient;

because the air pressure between the two positive plates 21 is smaller, the water mist in the mist box 5 enters between the two positive plates 21 through the mist outlet pipe 51, negative pressure is generated in the mist box 5, negative pressure is generated in the mist guide pipe 82 and the ultrasonic atomizer 8, and outside air enters the ultrasonic atomizer 8 from the water vapor pipe 81 and flows directionally into the mist box 5 from the mist guide pipe 82, so that the water mist can flow directionally into the mist box 5, the water mist is prevented from flowing reversely, an anti-reverse valve is not required to be added, the water vapor pipe 81 can realize the functions of air inlet and ventilation and supplementing water in the ultrasonic atomizer 8, and the structure is simpler;

the dust and the water mist are combined to form sewage which flows out along the sewage discharge port 26, flows into the sewage discharge hopper 6 at the bottom and flows into the sewage tank 7 along the sewage discharge hopper 6, and therefore intersection concentration of the sewage is achieved.

The shell 1 comprises a fixing frame 13 fixed at the bottom of a bottom plate 24, a shell 14 is mounted on the upper surface of the fixing frame 13, the shell 14 covers the electrostatic dust collector 2, two filter screen plates 4 are symmetrically inserted between the fixing frame 13 and the shell 14, and the two filter screen plates 4 are respectively tightly attached to one side, close to the air inlet pipe 11, of the electrostatic dust collector 2 and one side of the air outlet pipe 12.

The filter screen plate 4 positioned at the air inlet pipe 11 can block larger impurities in the dust air to avoid the influence on the electrostatic treatment effect, and the filter screen plate 4 positioned at the air outlet pipe 12 can filter the air after the electrostatic treatment again to avoid the passage of dust omitted in the electrostatic treatment process and increase the dust treatment effect;

the filter screen plate 4 is fixed at the air inlet pipe 11 and the air outlet pipe 12 through the fixing frame 13 and the shell cover 14, namely, when the filter screen plate 4 is detached and replaced, the filter screen plate 4 can be taken out and installed by detaching the shell cover 14, the filter screen plate 4 is rapidly detached and assembled, and the maintenance is more convenient.

Two negative pressure air pipes 71 are symmetrically arranged on the upper surface of the sewage tank 7, one end of each negative pressure air pipe 71, which is far away from the sewage tank 7, extends into the air outlet pipe 12, and a sewage discharge pipe 72 is arranged at the bottom of the sewage tank 7.

Airflow enters along the air inlet pipe 11 and is discharged from the air outlet pipe 12, according to the Bernoulli principle, the pressure in the negative pressure air pipe 71 is greater than the pressure in the air outlet pipe 12, so that the air in the negative pressure air pipe 71 flows towards the air outlet pipe 12, negative pressure is generated in the negative pressure air pipe 71, the negative pressure air pipe 71 generates negative pressure in the sewage tank 7, the sewage tank 7 generates negative pressure suction at the sewage discharge outlet 26 through the sewage discharge hopper 6, the sewage discharge outlet 26 can suck sewage formed by combining dust and water mist into the sewage tank 7 and discharge the sewage through the sewage discharge pipe 72, and the sewage is prevented from being diffused in the airflow, namely, the dust removal effect can be further increased;

sewage is sucked into the sewage tank 7 through the sewage discharge port 26, so that part of air flow enters the sewage tank 7 through the sewage discharge port 26, the negative pressure air pipe 71 generates negative pressure suction force in the sewage tank 7, and air separated from the sewage and entering the sewage tank 7 enters the air outlet pipe 12 from the negative pressure air pipe 71 to be discharged, namely, the amount of purified air cannot be reduced.

Each positioning hole 22 is located between two adjacent arc-shaped guide pieces 25, two fixing rods 27 are symmetrically mounted at the outer edge of each positioning hole 22 on the inner side of the positive plate 21, two fixing rods 27 on the outer side of each positioning hole 22 are jointly provided with a diffusion blocking piece 28, and each diffusion blocking piece 28 is located between two adjacent arc-shaped guide pieces 25.

Go out fog pipe 51 from locating hole 22 blowout water smoke, and the dead ahead of locating hole 22 is blocked by diffusion separation blade 28, make water smoke strike on diffusion separation blade 28 and to diffusing all around under pressure differential promotes, make water smoke can't keep away from positive plate 21, water smoke just can combine in the inside wall department of positive plate 21 with the dust promptly, the water smoke diffusion distance that can enough avoid surpasss arc guide 25 and leads to leading to filter screen plate 4 to wet the damage in the water smoke entering air current, also can increase the area of water smoke at the inside wall diffusion of positive plate 21, make it can catch on a large scale and combine the dust.

One side of each arc-shaped guide 25 far away from the positive plate 21 is bent towards the air outlet pipe 12, and each negative electrode ionization needle 31 is positioned between two symmetrical arc-shaped guides 25.

After negative pole ionization needle 31 ionized air for air particle is electrified and receive positive plate 21 to both sides and attract the removal, then can make electrified particle can combine between two arc guide 25 of dust entering homonymy, and slide to the inside wall of positive plate 21 along the cambered surface of arc guide 25 under magnetic attraction, arc guide 25 can avoid the dust to receive the air current after being attracted by positive plate 21 to influence, makes positive plate 21 increase the catching ability of dust.

When the dust-removing air blower is used, the dust-removing air blower equipment is connected with the air inlet pipe 11 or the dust-collecting air blower equipment is connected with the air outlet pipe 12, so that the gas containing dust flows to the air outlet pipe 12 along the air inlet pipe 11, and then a proper amount of purified water is added through the water pipe 81 to start atomization;

the dust airflow enters between the two positive plates 21 after being preliminarily filtered by the filter screen plate 4, and then is electrically charged by the negative electrode ionization needle 31, so that the charged particles combined with the dust are attracted to the arc-shaped guide pieces 25 at two sides by the positive plates 21 to move, and the dust is enabled to be close to the positive plates 21 along the space between the two adjacent arc-shaped guide pieces 25;

when the dust airflow flows, the air pressure between the two positive plates 21 is reduced, negative pressure suction is generated in the fog box 5 through the fog outlet pipe 51, so that the water fog generated by the ultrasonic atomizer 8 enters the fog box 5 through the fog guide pipe 82, and the outside air enters the ultrasonic atomizer 8 along the water pipe 81 and is combined with the water fog to form directional water fog airflow;

the water mist airflow is blocked by the diffusion blocking sheet 28 to diffuse around and cover the inner side wall of the positive plate 21 between the two arc-shaped guide sheets 25 after flowing out through the mist outlet pipe 51, so that dust attracted by the positive plate 21 is combined with the water mist to form sewage droplets, the sewage droplets flow downwards along the inner side wall of the positive plate 21, then enter the sewage discharge hopper 6 through the sewage discharge port 26, are converged and flow into the sewage tank 7, and are discharged through the sewage discharge pipe 72;

the dust air current flows through and filters the back flow direction outlet duct 12 through filter plate 4 once more after electrostatic treatment, then the atmospheric pressure in the outlet duct 12 is less than the atmospheric pressure in the negative pressure trachea 71, make negative pressure trachea 71 produce negative pressure suction in sewage case 7, then can fight 6 through the blowdown and produce negative pressure suction in drain 26 department, make the sewage water droplet can be absorbed completely, and can discharge outlet duct 12 department from negative pressure trachea 71 with the air that absorbs sewage water droplet and press from both sides, keep the purification volume of air.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides an electrostatic powder removing device, includes shell (1), its characterized in that, intake pipe (11) and outlet duct (12) are installed respectively to the both ends of shell (1), install electrostatic precipitator (2) in shell (1), electrostatic precipitator (2) are including two positive plates (21) of symmetry fixed on shell (1) inner wall, two install roof (23) and bottom plate (24) between positive plate (21) jointly, common symmetry is installed between roof (23) and bottom plate (24) and is had a plurality of arc guide pieces (25), every the one end of arc guide piece (25) all tightly supports on positive plate (21) of corresponding side, seted up a plurality of drain (26) on bottom plate (24), every drain (26) all set up between two adjacent arc guide pieces (25), insert on roof (23) and be equipped with (3), the lower extreme of negative plate (3) extends to the below ionization of roof (23) and installs a plurality of negative pole needles (31) equidistance, every the lower extreme of negative pole needle (31) all fixes on bottom plate (24) and the bottom plate (6) the sewage case lower extreme of bottom plate (6) are installed and the sewage case (6) is fought to the sewage case (6) is fought on the bottom plate (24), the bilateral symmetry of sewage case (7) inlays and is equipped with two ultrasonic nebulizer (8), install water trachea (81) and lead fog pipe (82) on ultrasonic nebulizer (8) respectively, every equal fixed mounting has fog box (5) on the lateral wall of positive plate (21), lead in fog pipe (82) one end of keeping away from ultrasonic nebulizer (8) extends to in fog box (5), two negative pressure trachea (71) are installed to the upper surface symmetry of sewage case (7), every the one end that sewage case (7) were kept away from in negative pressure trachea (71) all extends to in outlet duct (12), blow off pipe (72) are installed to the bottom of sewage case (7).

2. The electrostatic precipitator according to claim 1, wherein a plurality of mist outlet pipes (51) are inserted into one side of each mist box (5) close to the positive plate (21), a plurality of positioning holes (22) are formed in each positive plate (21), and the plurality of mist outlet pipes (51) are respectively inserted into the plurality of positioning holes (22).

3. The electrostatic precipitator device according to claim 1, wherein the housing (1) comprises a fixed frame (13) fixed at the bottom of the bottom plate (24), the upper surface of the fixed frame (13) is provided with a housing (14), the housing (14) is covered on the electrostatic precipitator (2), two filter screen plates (4) are symmetrically inserted between the fixed frame (13) and the housing (14), and the two filter screen plates (4) are respectively tightly attached to one side of the electrostatic precipitator (2) close to the air inlet pipe (11) and one side of the air outlet pipe (12).

4. The electrostatic precipitator according to claim 2, wherein each of the positioning holes (22) is located between two adjacent arc-shaped guide pieces (25), two fixing rods (27) are symmetrically installed on the inner side of the positive plate (21) and located at the outer edge of each positioning hole (22), two diffusion blocking pieces (28) are commonly installed on the two fixing rods (27) on the outer side of each positioning hole (22), and each diffusion blocking piece (28) is located between two adjacent arc-shaped guide pieces (25).

5. An electrostatic precipitator according to claim 1, wherein each of said arc-shaped conducting strips (25) is bent toward the outlet pipe (12) at a side thereof away from the positive electrode plate (21), and each of said negative ionizing pins (31) is located between two symmetrical arc-shaped conducting strips (25).