Wet-type electric dust collector cathode wire flushing device
The inner and outer sleeve structure driven by a motor and cylinder allows the inner sleeve to rotate and thoroughly flush the cathode wire through the water outlet, solving the problem of incomplete cleaning of cathode wires in existing technologies and achieving all-round cleaning and efficient operation of the cathode wires.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG HONGDIAN ENVIRONMENTAL PROTECTION & TECH CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-07-14
AI Technical Summary
In the existing technology, the long-term adsorption of dust on the cathode wire will reduce its adsorption performance, and the existing washing device cannot thoroughly wash the cathode wire.
The device employs an inner and outer sleeve structure driven by a motor and cylinder. The inner sleeve rotates and thoroughly flushes the cathode wire through the water outlet, while the outer sleeve moves up and down, combined with a water pump to provide water, thus achieving complete dust removal.
It achieves comprehensive cleaning of the cathode wire, maintains efficient equipment operation, removes collected dust, and improves the adsorption performance of the cathode wire.
Smart Images

Figure CN224486288U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wet electrostatic precipitator technology, and in particular to a wet electrostatic precipitator cathode wire flushing device. Background Technology
[0002] Currently, wet electrostatic precipitators are a new type of dust removal equipment used to treat dust and microparticles containing trace amounts of dust. The cathode wires adsorb a large number of charged dust particles under the action of an electric field.
[0003] In the prior art, the long-term adsorption of dust on the cathode wire will reduce its adsorption performance, and its surface needs to be washed regularly. Generally, the cathode wire is washed by spraying. For example, the published document CN213996280U washes the cathode wire one by one by adjusting the angle of the nozzle. During the washing process, the angle of the nozzle can be adjusted, but it cannot wash away all the dust on the cathode wire.
[0004] Therefore, the applicant hereby submits this application. Utility Model Content
[0005] This utility model addresses the shortcomings of existing technologies by providing a cathode wire washing device for wet electrostatic precipitators. Through the configuration of a motor and cylinder, rotation and lifting are used to thoroughly wash the cathode wires.
[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution:
[0007] A wet electrostatic precipitator cathode wire flushing device includes a wet electrostatic precipitator and a cathode wire. The cathode wire is disposed inside the wet electrostatic precipitator. An outer sleeve is disposed outside the cathode wire, and an inner sleeve is rotatably disposed inside the outer sleeve. A certain space is left between the inner sleeve and the cathode wire, and multiple water outlets are disposed on the inner sleeve.
[0008] In the above scheme, preferably, a water-permeable layer is provided on the inner side of the outer sleeve, the water-permeable layer is connected to the water outlet channel, and a water pipe is provided on its outer side.
[0009] In the above scheme, preferably, a water pump is connected to the other end of the water pipe to provide a water source, and the water pump is located outside the wet electrostatic precipitator.
[0010] In the above scheme, preferably, the bottom of the inner sleeve is provided with a first gear, and the outer sleeve is provided with a drive mechanism that drives the first gear to rotate.
[0011] In the above scheme, preferably, the driving mechanism is a motor, the motor includes an output shaft that passes through the outer sleeve, the motor is located on the outer sleeve, and the end of the output shaft is provided with a second gear that is adapted to the first gear.
[0012] In the above scheme, preferably, the motor can be a servo motor.
[0013] In the above scheme, preferably, multiple plates are provided on the outer side of the outer sleeve, and a cylinder is provided on the plate. The cylinder is located at the top inside the wet electrostatic precipitator, and the cylinder includes a piston rod, the end of which is fixed above the plate.
[0014] In the above scheme, preferably, the cathode wire can be made of materials such as stainless steel or titanium alloy, and its surface can be a barbed structure.
[0015] The beneficial effects of this utility model are as follows: This utility model uses an inner sleeve that is rotated and set inside the outer sleeve. The two are connected to a water pump through a water pipe to achieve water circuit communication. The operation of the motor drives the rotation of the inner sleeve, and the operation of the cylinder drives the outer sleeve to move up and down, which can thoroughly flush all positions of the entire cathode wire from beginning to end, remove the collected dust and maintain the efficient operation of the equipment. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the present invention.
[0017] Figure 2 for Figure 1 Enlarged diagram of point A in the middle.
[0018] Figure 3 This is a schematic diagram showing the position of the inner sleeve at the cathode wire in this utility model.
[0019] Figure 4 This is a schematic diagram of the meshing structure of the first gear and the second gear in this utility model.
[0020] Figure 5 This is a schematic diagram of the inner sleeve and outer sleeve structure in this utility model. Detailed Implementation
[0021] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments:
[0022] See Figures 1-5 The cathode wire flushing device for a wet electrostatic precipitator includes a wet electrostatic precipitator 1 and a cathode wire 2. The cathode wire 2 is installed inside the wet electrostatic precipitator 1. The cathode wire 2 charges the dust in the flue gas through high-voltage corona discharge and captures it with the help of an electric field. The cathode wire 2 can be made of materials such as stainless steel and titanium alloy, mainly because of its strong corrosion resistance, good conductivity and adaptability to harsh working conditions. The surface of the cathode wire 2 can be a barbed structure. The use of a barbed structure, such as barbed wire, is mainly to optimize the corona discharge effect and improve the dust collection efficiency. The barbed protrusions can increase the corona discharge area, increase the current density, and thus enhance the charging effect of the dust, making it easier to be captured.
[0023] To remove dust from the surface of the cathode wire 2, an outer sleeve 3 is installed outside the cathode wire 2. An inner sleeve 4 is rotatably installed inside the outer sleeve 3, as shown in the figure. Multiple water outlets 5 are provided on the inner sleeve 4. The water outlets 5 can wash the dust on the surface of the cathode wire 2. A water passage layer 6 is provided inside the outer sleeve 3. The water passage layer 6 is connected to the water outlets 5. In order to provide water to the water passage layer 6 and the water outlets 5, a water pipe 7 is connected to the outside of the water passage layer 6. The other end of the water pipe 7 is connected to a water pump 8. The water pump 8 is located outside the wet electrostatic precipitator 1. The water pump 8 can be a high-pressure water pump. The high-pressure water pump can withstand high pressure to ensure stable operation in complex environments. It has a large flow channel and can quickly discharge a large amount of accumulated water. The water pump 8 is used to provide water. The water pipe 7 connects the water passage layer 6 and the water outlet 5 through the water provided by the water pump 8.
[0024] Specifically, a first gear 101 is provided at the bottom of the inner sleeve 4, and a drive mechanism for rotating the first gear 101 is provided on the outer sleeve 3. The drive mechanism is a motor 9, which can be a servo motor and can precisely control the displacement and speed of the mechanical components. The motor 9 includes an output shaft 10, which passes through the outer sleeve 3. The motor 9 is located on the outer sleeve 3, and a second gear 102 adapted to the first gear 101 is provided at the end of the output shaft 10.
[0025] When the motor 9 is working, the second gear 102 rotates, driving the first gear 101 to rotate. The inner sleeve 4 rotates on the inner wall of the outer sleeve 3. When the inner sleeve 4 rotates, the water outlet 5 rotates along with it, which can thoroughly rinse the surface of the cathode wire 2.
[0026] Furthermore, in order to enable the outlet 5 to thoroughly rinse the cathode wire 2 from beginning to end, multiple plates 11 are fixedly installed on the outside of the outer sleeve 3. In this embodiment, two plates 11 are correspondingly installed on both sides of the outer sleeve 3 to prevent deviation during up-and-down movement. A cylinder 12 is installed on the plate 11. The cylinder 12 is located at the top inside the wet electrostatic precipitator 1. The cylinder 12 includes a piston rod 13. The end of the piston rod 13 is fixed above the plate 11. The cylinder 12 drives the outer sleeve 3 to move up and down, which can thoroughly rinse the cathode wire 2 from beginning to end.
[0027] Working principle: When the water pump 8 is working, the water passage between the water layer 6 of the outer sleeve 3 and the water outlet 5 of the inner sleeve 4 is connected through the water pipe 7. Since the inner sleeve 4 is rotatably set inside the outer sleeve 3, when the motor 9 is working, the second gear 102 drives the first gear 101 to rotate, and the inner sleeve 4 rotates. The water outlet 5 set on the inner sleeve 4 can thoroughly rinse the surface of the cathode wire 2. The cylinder 12 can drive the outer sleeve 3 to move up and down. When the cylinder 12 and the motor 9 work at the same time, the cylinder 12 drives the outer sleeve 3 to move up and down, and the motor 9 drives the inner sleeve 4 to rotate, so as to thoroughly rinse all parts of the entire cathode wire 2 from beginning to end and completely remove the dust on the cathode wire 2.
[0028] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A wet electrostatic precipitator cathode wire flushing device, comprising a wet electrostatic precipitator (1) and cathode wires (2), characterized in that: The cathode wire (2) is located inside the wet electrostatic precipitator (1). An outer sleeve (3) is provided outside the cathode wire (2). An inner sleeve (4) is rotatably provided inside the outer sleeve (3). A certain space is left between the inner sleeve (4) and the cathode wire (2). Multiple water outlets (5) are provided on the inner sleeve (4).
2. The wet electrostatic precipitator cathode wire flushing device according to claim 1, characterized in that: The inner side of the outer sleeve (3) is provided with a water passage layer (6), which is connected to the water outlet (5) and a water pipe (7) is provided on its outer side.
3. The wet electrostatic precipitator cathode wire flushing device according to claim 2, characterized in that: The other end of the water pipe (7) is connected to a water pump (8) for providing a water source. The water pump (8) is located outside the wet electrostatic precipitator (1).
4. The wet electrostatic precipitator cathode wire flushing device according to claim 1, characterized in that: The inner sleeve (4) is provided with a first gear (101) at its bottom, and the outer sleeve (3) is provided with a drive mechanism that drives the first gear (101) to rotate.
5. The wet electrostatic precipitator cathode wire flushing device according to claim 4, characterized in that: The driving mechanism is a motor (9), which includes an output shaft (10) that passes through the outer sleeve (3). The motor (9) is located on the outer sleeve (3), and the end of the output shaft (10) is provided with a second gear (102) that is adapted to the first gear (101).
6. The wet electrostatic precipitator cathode wire flushing device according to claim 5, characterized in that: The motor (9) may be a servo motor.
7. The wet electrostatic precipitator cathode wire flushing device according to claim 1, characterized in that: Multiple plates (11) are provided on the outer side of the outer sleeve (3). A cylinder (12) is provided on the plate (11). The cylinder (12) is located at the top inside the wet electrostatic precipitator (1). The cylinder (12) includes a piston rod (13). The end of the piston rod (13) is fixed above the plate (11).
8. The wet electrostatic precipitator cathode wire flushing device according to claim 1, characterized in that: The cathode wire (2) can be made of materials such as stainless steel or titanium alloy, and its surface can be a spike structure.