CN214077251U - Wet electrostatic dust collector - Google Patents
Wet electrostatic dust collector Download PDFInfo
- Publication number
- CN214077251U CN214077251U CN202022443903.0U CN202022443903U CN214077251U CN 214077251 U CN214077251 U CN 214077251U CN 202022443903 U CN202022443903 U CN 202022443903U CN 214077251 U CN214077251 U CN 214077251U
- Authority
- CN
- China
- Prior art keywords
- cathode
- tower body
- wet electrostatic
- electrostatic precipitator
- anode tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electrostatic Separation (AREA)
Abstract
The utility model discloses a wet electrostatic precipitator, which comprises a tower body, wherein the bottom of the tower body is provided with an air inlet which is connected with a direct exhaust chimney, the top of the tower body is provided with an air outlet, and the outside of the top of the tower body is fixedly provided with a plurality of insulating boxes; the inside of the tower body is sequentially provided with a spray pipe, a cathode-anode system and an airflow distribution plate from the top to the bottom; each insulation box is controlled by a separate control circuit. The cathode-anode system comprises an anode tube which is vertically arranged and a cathode line which is arranged in the center of the anode tube. The inside of tower body is provided with first braced frame, second braced frame, and the top setting of positive pole pipe is on first braced frame, and the bottom setting of positive pole pipe is on second braced frame. The upper part of the first supporting frame is connected with a cathode big small beam, and the cathode big small beam is fixedly connected with the insulating box through a suspender. The utility model discloses can improve wet electrostatic precipitator's efficiency, reduce equipment running cost, do not have the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, specifically speaking relates to a wet electrostatic precipitator.
Background
The working principle of the electrostatic dust collector is that a high-voltage electric field is utilized to ionize smoke, and dust charges in airflow are separated from the airflow under the action of the electric field. The negative electrode is made of metal wires with different cross-sectional shapes, and the positive electrode is made of metal plates with different shapes.
The wet electric dust collector is a new dust-collecting equipment for treating gas containing trace dust and microparticles, mainly used for removing harmful substances of dust, acid mist, water drops, aerosol, stink, PM2.5 and the like in moisture-containing gas, and is an ideal equipment for treating atmospheric dust pollution. The wet electric dust remover has the same basic dust removing principle as the dry electric dust remover, and is subjected to three stages of charging, collecting and dust removing.
The wet electric dust collector adopts high-voltage corona discharge to charge dust, and the charged dust reaches the dust collecting plate pipe under the action of an electric field force. Wet electrostatic precipitators are used to treat wet gases having high or even saturated water content. The wet electric dust collector adopts a regular flushing mode to remove the dust trapped on the dust collecting plate pipe along with the flowing of the flushing liquid.
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 insulation box and the tensioning box body for fixing the cathode system for the wet electrostatic dust collector commonly used at present. The traditional tensioning box body is fixed on the shell through a porcelain insulator, when the humidity of smoke in the shell is too high, the porcelain insulator is easy to discharge, and the traditional mode is that a high-power heating furnace is used for blowing dry air to the tensioning device.
The inventor finds the following defects in the prior art in the process of implementing the invention:
1. the discharge at the porcelain insulator easily causes the operation of the wet electrostatic dust collector not to reach the standard, and the efficiency of the wet electrostatic dust collector is influenced;
2. the porcelain bottle has potential safety hazard due to discharge;
3. the use of a heating furnace increases the equipment running cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to above not enough, provide a wet electrostatic precipitator, overcome the defect that prior art exists, can improve wet electrostatic precipitator's efficiency, reduce equipment running cost, do not have the potential safety hazard.
In order to solve the technical problem, the technical scheme of the utility model is that: a wet electrostatic precipitator comprises a tower body, wherein the bottom of the tower body is provided with an air inlet which is connected with a direct exhaust chimney, the top of the tower body is provided with an air outlet, and the outside of the top of the tower body is fixedly provided with a plurality of insulation boxes;
the inside of the tower body is sequentially provided with a spray pipe, a cathode-anode system and an airflow distribution plate from the top to the bottom;
each insulation box is controlled by a separate control circuit.
Preferably, the cathode-anode system includes an anode tube arranged vertically and a cathode line disposed at the center of the anode tube.
Preferably, the inside of tower body is provided with first braced frame, second braced frame, and the top of positive pole pipe sets up on first braced frame, and the bottom of positive pole pipe sets up on second braced frame.
Preferably, the upper part of the first support frame is connected with a cathode big beam, and the cathode big beam are fixedly connected with the insulating box through the hanging rod.
Preferably, the lower part of the second support frame is connected with a support beam, and a weight is arranged below the support beam to tension the cathode line and the anode tube.
Preferably, one end of the cathode wire is fixedly arranged on the cathode big small beam, and the other end of the cathode wire is fixedly arranged on the supporting cross beam.
Preferably, the supporting beams are supporting beams made of glass fiber reinforced plastic profiles.
Preferably, the number of the insulation boxes is 4.
Preferably, an electric heating device is arranged inside the insulation box.
Preferably, the cathode wire is made of lead-antimony alloy; the anode tube is made of conductive flame-retardant glass fiber reinforced plastic.
The utility model adopts the above technical scheme, compare with prior art, have following advantage:
1. the single-loop control of the insulating box improves the efficiency of the wet electrostatic precipitator;
2. a heating furnace is omitted, and the operation cost of the equipment is reduced;
3. the porcelain insulator is omitted, and the potential safety hazard is avoided.
Drawings
FIG. 1 is a schematic structural view of a wet electrostatic precipitator according to the present invention;
in the figure, the position of the upper end of the main shaft,
1-tower body, 2-air inlet, 3-air outlet, 4-anode tube, 5-cathode line, 6-spray tube, 7-airflow distribution plate, 8-insulation box, 9-suspender, 10-cathode big small beam, 11-heavy hammer, 12-tension device, 13-first support frame and 14-second support frame.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings, and those skilled in the art will understand that the following does not limit the scope of the present invention.
In the embodiment, as shown in fig. 1, a wet electrostatic precipitator includes a tower body 1, an air inlet 2 is disposed at the bottom of the tower body 1, the air inlet 2 is connected to a direct exhaust chimney, an air outlet 3 is disposed at the top of the tower body 1, and a plurality of insulation boxes 8 are fixedly disposed outside the top of the tower body 1.
The inside of the tower body 1 is provided with a spray pipe 6, a cathode-anode system and an air flow distribution plate 7 in sequence from the top to the bottom.
The cathode and anode system comprises an anode tube 4 which is vertically arranged and a cathode wire 5 which is arranged at the center of the anode tube 4, wherein the anode tube 4 is made of conductive flame-retardant glass fiber reinforced plastic material, and has the advantages of good conductive performance, easy washing and the like. The anode tube adopts a honeycomb structure. The cathode line 5 is made of lead-antimony alloy.
The inside of tower body 1 is provided with first braced frame 13, second braced frame 14, and the top of anode tube 4 is fixed to be set up on first braced frame 13, and the bottom mounting of anode tube 4 sets up on second braced frame 14.
The upper part of the first supporting frame 13 is connected with a cathode big and small beam 10, and the cathode big and small beam 10 is fixedly connected with the insulating box 8 through a suspender 9.
A support beam 12 is connected to a lower portion of the second support frame 14, and a weight 11 is provided under the support beam 12 to tighten the cathode line 5 and the anode tube 4.
One end of the cathode line 5 is fixedly arranged on the cathode big trabecula 10, and the other end of the cathode line 5 is fixedly arranged on the supporting beam 12.
And the air flow distribution plate 7 is used for uniformly distributing the flue gas.
The spraying water sprayed by the spraying pipe 6 can wash out the dust on the wall of the anode pipe 4.
The number of the insulation boxes 8 is 4; an electric heating device is arranged in each insulating box 8, each insulating box 8 is controlled by an independent control circuit, the temperature of each insulating box 8 is guaranteed, and the cathode wire 5, the anode tube 4 and the tower body 1 are kept in a dry and insulating state all the time. The insulating box 8 adopts a control circuit which is known at present, and the embodiment is not shown.
The supporting beam 12 is made of glass fiber reinforced plastic section bar and is used for fixing the cathode line 5 and the weight 11 so that the cathode device is in a stable state.
The working principle is as follows:
the wet electrostatic dust collector works under the action of a high-voltage pulse power supply, the output end of the high-voltage pulse power supply is connected with a cathode wire 5 to serve as a discharge electrode, dust-containing smoke flows in from a bottom air inlet 2 of the wet electrostatic dust collector, flows through an air flow distribution plate 7, an anode tube 4 and a cathode wire 5 and then flows out from a top air outlet 3, and smoke dust in the dust-containing smoke is charged and is deposited on the tube walls of the cathode wire 5 and the anode tube 4 under the action of an external electric field.
Tens of thousands of volts of direct current high voltage are applied between an anode tube and a cathode wire of the wet electrostatic dust collector, a corona layer is generated around the cathode wire 5 under the action of a strong electric field, and air in the corona layer is subjected to avalanche ionization, so that a large amount of negative ions and a small amount of positive ions are generated.
Dust (fog) particles entering the wet electrostatic precipitator along with the process gas flow collide with the positive ions and the negative ions to be charged, and the charged dust (fog) particles move towards the negative electrode and the positive electrode respectively due to the coulomb force of a high-voltage electrostatic field; after reaching the two electrodes, the charges carried by the two electrodes are released, and dust (fog) particles are collected by the cathode and the anode and are separated from the gas by gravity flow downwards; part of the dust (mist) particles themselves adhere to the anode tube 4 and the cathode wire 5 due to their inherent viscosity, and are removed by washing.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. A wet electrostatic precipitator which is characterized in that: comprises that
The device comprises a tower body (1), wherein an air inlet (2) is formed in the bottom of the tower body (1), the air inlet (2) is connected with a direct exhaust chimney, an air outlet (3) is formed in the top of the tower body (1), and a plurality of insulating boxes (8) are fixedly arranged outside the top of the tower body (1);
a spray pipe (6), a cathode-anode system and an air flow distribution plate (7) are sequentially arranged in the tower body (1) from the top to the bottom;
each insulation box (8) is controlled by a separate control circuit.
2. A wet electrostatic precipitator as claimed in claim 1, wherein:
the cathode-anode system comprises an anode tube (4) which is vertically arranged and a cathode line (5) which is arranged at the center of the anode tube (4).
3. A wet electrostatic precipitator as claimed in claim 2, wherein:
the tower body (1) is internally provided with a first supporting frame (13) and a second supporting frame (14), the top end of the anode tube (4) is arranged on the first supporting frame (13), and the bottom end of the anode tube (4) is arranged on the second supporting frame (14).
4. A wet electrostatic precipitator as claimed in claim 3, wherein:
the upper part of the first supporting frame (13) is connected with a cathode big small beam (10), and the cathode big small beam (10) is fixedly connected with the insulating box (8) through a suspender (9).
5. A wet electrostatic precipitator as claimed in claim 4, wherein:
the lower part of the second supporting frame (14) is connected with a supporting beam (12), a heavy hammer (11) is arranged below the supporting beam (12) to tighten the cathode line (5) and the anode tube (4).
6. A wet electrostatic precipitator as claimed in claim 5, wherein:
one end of the cathode wire (5) is fixedly arranged on the cathode big small beam (10), and the other end of the cathode wire (5) is fixedly arranged on the supporting cross beam (12).
7. A wet electrostatic precipitator as claimed in claim 6, wherein:
the supporting beams (12) are made of glass fiber reinforced plastic profiles.
8. A wet electrostatic precipitator as claimed in claim 1, wherein:
the number of the insulation boxes (8) is 4.
9. A wet electrostatic precipitator as claimed in claim 8, wherein:
an electric heating device is arranged in the insulating box (8).
10. A wet electrostatic precipitator as claimed in claim 2, wherein:
the cathode wire (5) is made of lead-antimony alloy; the anode tube (4) is made of conductive flame-retardant glass fiber reinforced plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022443903.0U CN214077251U (en) | 2020-10-29 | 2020-10-29 | Wet electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022443903.0U CN214077251U (en) | 2020-10-29 | 2020-10-29 | Wet electrostatic dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214077251U true CN214077251U (en) | 2021-08-31 |
Family
ID=77446119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022443903.0U Active CN214077251U (en) | 2020-10-29 | 2020-10-29 | Wet electrostatic dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214077251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493135A (en) * | 2023-02-01 | 2023-07-28 | 南京龙清环境科技有限公司 | Wet electric cathode wire traction fixing device |
-
2020
- 2020-10-29 CN CN202022443903.0U patent/CN214077251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493135A (en) * | 2023-02-01 | 2023-07-28 | 南京龙清环境科技有限公司 | Wet electric cathode wire traction fixing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204685291U (en) | A kind of positive plate of wet cottrell | |
| CN104525376A (en) | Subarea power supply system and subarea power supply method for wet electric precipitator | |
| CN204320480U (en) | A kind of electrostatic precipitator | |
| CN214077251U (en) | Wet electrostatic dust collector | |
| KR20220092627A (en) | Method and apparatus for electrostatically condensing wet air into water | |
| CN208066547U (en) | A kind of wet cottrell | |
| CN104722403A (en) | Cathode system and discharging method used for wet-process electrostatic dust collector | |
| CN206464078U (en) | For the rectilinear hexagonal tube rotating vane type electrostatic precipitator at the top of desulfurizing tower | |
| CN104785060A (en) | Electrostatic agglomeration bag-type dust-removing system for efficiently treating PM2.5 dust | |
| CN209829270U (en) | Honeycomb tube type wet electrostatic dust collector | |
| CN111744674A (en) | Novel wet-type electrostatic precipitator electrode and protection device | |
| CN204380858U (en) | A kind of wet electrical dust precipitator switched-mode power supply system | |
| CN112108269A (en) | Pulse charge wet-type electric precipitation demister, treatment method and application thereof | |
| CN216296680U (en) | Wet-type electrostatic precipitator negative pole line prevents putting mount | |
| CN204544444U (en) | A kind of wet type electrostatic precipitator with spiral board | |
| CN106111335A (en) | Electric arc water law dust-cleaning device | |
| CN210874650U (en) | Embedded electrostatic precipitator defroster | |
| CN106994392A (en) | Boiler smoke wet electrical dust precipitator | |
| CN102886197B (en) | Treatment method for fluorine-containing waste gas | |
| CN206810495U (en) | Gauze formula electrostatic precipitator | |
| CN206152969U (en) | Non - metal plate type wet dust collector | |
| CN210115157U (en) | Wet electric dust collector | |
| CN210171695U (en) | High-pressure ion flue gas purification device | |
| CN206613375U (en) | A kind of solar energy wet desulphurization Wet type electric dust-removing device | |
| CN218962943U (en) | Wet-type electric dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |