A cylindrical electrostatic precipitator
By introducing a heating shaft and spiral heat-conducting blades into the electrostatic precipitator to dry the dust, the problem of damp dust adhesion is solved. Furthermore, the convenient filter component design simplifies the maintenance process and improves the operating efficiency and stability of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU XINHANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
- Filing Date
- 2025-06-12
- Publication Date
- 2026-06-12
AI Technical Summary
When dealing with moist dust, existing electrostatic precipitators often suffer from dust adhering to the electrostatic plates and scrapers, resulting in incomplete cleaning and affecting equipment operation. The frequent replacement and cleaning of the pre-filter is also time-consuming, impacting equipment efficiency.
The design incorporates a heating shaft and spiral heat-conducting blades to heat and dry the dust, preventing damp dust from adhering. The movable mounting bracket and hand-tightened bolts facilitate easy replacement of the filter components, reducing downtime.
It effectively prevents moisture and dust from adhering, improves dust removal efficiency, simplifies filter component replacement, and enhances continuous operation efficiency and maintenance convenience of the equipment.
Smart Images

Figure CN224346061U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrostatic precipitator technology, and in particular to a cylindrical electrostatic precipitator. Background Technology
[0002] An electrostatic precipitator is a device that uses a high-voltage electric field to charge dust particles in a gas, causing them to deposit onto collecting electrodes under the influence of the electric field. It utilizes the principle of electrostatics to remove particulate matter and dust from the air. Under the influence of an electrostatic field, charged particles are attracted to plates with opposite charges, thus achieving air purification. Electrostatic precipitators are widely used in various industrial fields, such as metallurgy, chemicals, and power generation.
[0003] The prior art disclosure number CN106984431A discloses an easy-to-clean electrostatic precipitator, which includes a base, and the upper end of the base is connected to a housing via a support frame. The housing is provided with a cylindrical dust removal device mounting frame inside, and the lower end of the dust removal device mounting frame is provided with a material collection port. The front end of the housing is provided with a pre-filter chamber.
[0004] The device has two drawbacks in use: First, although it can handle damp dust, the damp dust tends to adhere to the electrostatic electrode plate and scraper, which may result in incomplete cleaning or even affect the normal operation of the equipment. Second, although the pre-filter can filter large dust particles, the porous filter plate needs to be replaced and cleaned frequently. Since it is replaced manually, each replacement takes a long time, which affects the performance of the electrostatic precipitator.
[0005] Therefore, improvements are proposed. Utility Model Content
[0006] This utility model is a cylindrical electrostatic precipitator proposed to overcome the shortcomings of the existing technology.
[0007] To achieve the above objectives, the present invention adopts the following technical solution: a cylindrical electrostatic precipitator, comprising a cylindrical electrostatic precipitator body, wherein the air inlet of the cylindrical electrostatic precipitator body is fixedly connected to a shell, a movable mounting bracket is slidably installed inside the shell, a filter assembly is inserted into one side of the movable mounting bracket, and the filter assembly slides in a sealed manner with the inner wall of the shell, and a hand-tightening bolt is fixedly installed on one side of the bottom of the shell, the hand-tightening bolt is set through the shell and threadedly connected to the shell, and the hand-tightening bolt abuts against the bottom of the filter assembly;
[0008] The air inlet of the housing is fixedly connected to an insulation cylinder, and a heating shaft is detachably and fixedly installed on the insulation cylinder. Spiral heat-conducting blades are fixedly sleeved on the outer surface of the heating shaft.
[0009] Furthermore, the movable mounting bracket includes a slide, which slides against the inner wall of the housing. Both sides of the slide are fixedly connected to mounting slots, which facilitates the quick assembly and disassembly of the filter assembly.
[0010] Furthermore, the filter assembly includes a socket, which is inserted into an adjacent mounting slot. Multiple filter plates are uniformly fixedly connected to one side of the outer surface of the socket, and a side plate is fixedly connected to the other end of the multiple filter plates. The filter plates have a filtering effect and can filter out large particles in the dust.
[0011] Furthermore, the heating shaft includes a mounting rod, which is attached to one end of the insulation cylinder. The mounting rod and the insulation cylinder are fixed together by bolts. The mounting shaft is connected through and fixedly connected to the middle of the mounting rod. The mounting shaft is fixedly connected to a support shaft, and the spiral heat-conducting blades are fixedly sleeved on the outer surface of the support shaft. A heating rod is fixedly connected inside the support shaft, and the heating rod can heat the support shaft.
[0012] Furthermore, the spiral heat-conducting blades are in close contact with the inner wall of the insulation cylinder, which facilitates the movement of dust gas along the set path of the spiral heat-conducting blades, ensuring the heating effect on the dust gas.
[0013] Furthermore, the bottom of the cylindrical electrostatic precipitator body, shell, and insulation cylinder are all fixedly connected to a support base, which supports the cylindrical electrostatic precipitator body, shell, and insulation cylinder, facilitating overall installation.
[0014] The beneficial effects of this utility model are:
[0015] In use, this cylindrical electrostatic precipitator, through its heating shaft and spiral heat-conducting blades, can heat and dry the incoming dust, preventing damp dust from adhering to the electrostatic electrode plates and scrapers, thus avoiding incomplete cleaning or abnormal equipment operation. The heat-insulating cylinder can maintain the temperature after heating, ensuring that the dust is fully dried before entering the electrostatic precipitator, thereby improving the dust removal effect.
[0016] In use, this cylindrical electrostatic precipitator allows for easy replacement of the filter components via a movable mounting bracket and hand-tightening bolts. This simplifies operation, eliminates the need for prolonged downtime, reduces manual replacement time, and improves the continuous operating efficiency of the equipment. Furthermore, the plug-in design of the socket and mounting slot makes the installation and removal of the filter components more convenient, further reducing maintenance time.
[0017] In use, this cylindrical electrostatic precipitator features a detachable heating shaft. After the heating shaft is removed, the heating shaft and spiral heat-conducting blades can be extracted for regular cleaning and maintenance, ensuring a long-lasting and stable heating effect. Attached Figure Description
[0018] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 : A perspective view of this utility model;
[0020] Figure 2 Side sectional view of the shell and insulation cylinder of this utility model;
[0021] Figure 3 Top sectional view of the movable mounting bracket and filter assembly of this utility model;
[0022] Figure 4 : Axial sectional view of the heating element of this utility model.
[0023] The attached figures are labeled as follows:
[0024] 1. Main body of cylindrical electrostatic precipitator; 2. Shell; 3. Slide; 4. Insulation cylinder; 5. Mounting rod; 6. Support base; 7. Hand-tightening bolt; 8. Filter plate; 9. Support shaft; 10. Spiral heat-conducting blades; 11. Bolt; 12. Side plate; 13. Socket; 14. Mounting slot; 15. Heating rod; 16. Mounting shaft. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0026] like Figures 1 to 4As shown, a cylindrical electrostatic precipitator is disclosed, comprising a cylindrical electrostatic precipitator body 1. A housing 2 is fixedly connected to the air inlet of the cylindrical electrostatic precipitator body 1. A movable mounting bracket is slidably installed inside the housing 2. A filter assembly is inserted into one side of the movable mounting bracket, and the filter assembly slides in a sealed manner against the inner wall of the housing 2. A hand-tightening bolt 7 is fixedly installed on one side of the bottom of the housing 2, penetrating the housing 2 and threadedly connected to it. The hand-tightening bolt 7 abuts against the bottom of the filter assembly. The movable mounting bracket includes a slide 3, which slides against the inner wall of the housing 2. The inner wall of the housing 2 is precision machined to ensure smooth and stable movement of the slide 3. To avoid jamming or wear caused by friction, mounting slots 14 are fixedly connected to both sides of the slide 3. The filter assembly includes a socket 13, which is inserted into the adjacent mounting slot 14. Multiple filter plates 8 are evenly fixedly connected to one side of the outer surface of the socket 13. The other end of the multiple filter plates 8 is fixedly connected to a side plate 12. Matching sealing gaskets are fixedly connected to the top and bottom of the multiple filter plates 8 to ensure the sealing between the filter plates 8 and the housing 2 after they are inserted into the housing 2. A U-shaped sealing gasket is fixedly connected between the side plate 12, the socket 13 and the filter plates 8 at both ends to ensure the sealing between the whole assembly and the housing 2 after it is inserted into the housing 2.
[0027] The air inlet of the shell 2 is fixedly connected to the heat insulation cylinder 4. The inner wall of the heat insulation cylinder 4 is made of high temperature and corrosion resistant material to ensure that it will not deform or corrode during long-term use in high temperature environment. The inner wall surface is smoothed to reduce dust adhesion and facilitate regular cleaning.
[0028] A heating shaft is detachably and fixedly installed on the insulation cylinder 4. A spiral heat-conducting blade 10 is fixedly sleeved on the outer surface of the heating shaft, and the spiral heat-conducting blade 10 is in contact with the inner wall of the insulation cylinder 4. The heating shaft includes a mounting rod 5, which is attached to one end of the insulation cylinder 4 and fixed to the insulation cylinder 4 by bolts 11. A mounting shaft 16 is passed through and fixedly connected to the middle of the mounting rod 5. A support shaft 9 is fixedly connected to the mounting shaft 16, and the spiral heat-conducting blade 10 is fixedly sleeved on the outer surface of the support shaft 9. A heating rod is fixedly connected inside the support shaft 9. 15. Both the spiral heat-conducting blades 10 and the support shaft 9 are made of heat-conducting metal materials to ensure their heat conduction performance. At the same time, both surfaces are coated with a ceramic coating. The ceramic coating has excellent anti-corrosion and high-temperature resistance properties, and can form a strong and smooth non-stick layer on the metal surface, making it difficult for dirt to adhere to the metal surface. The heating rod 15 uses a high-efficiency electric heating element, which can quickly heat up and maintain a stable heating temperature. The power of the heating rod 15 is precisely calculated to ensure that it can provide sufficient heat during equipment operation and prevent dust and moisture.
[0029] The bottom of the main body 1, shell 2, and insulation cylinder 4 of the cylindrical electrostatic precipitator are all fixedly connected to a support base 6. The support base 6 is made of high-strength steel to ensure that it can withstand the overall weight of the equipment and vibration during operation. The support base 6 is fixed to the main body 1, shell 2, and insulation cylinder 4 of the cylindrical electrostatic precipitator by welding or bolts to ensure a firm connection. A shock-absorbing pad can be installed at the bottom of the support base 6 to reduce the transmission of vibration during equipment operation and improve the stability of equipment operation.
[0030] Working principle: During use, the heating rod 15 runs first to preheat the system, heating the support shaft 9 and the spiral heat-conducting blades 10. Then, the main body 1 of the cylindrical electrostatic precipitator runs. After the dust enters the insulation cylinder 4, it is heated and dried by the heated support shaft 9 and the spiral heat-conducting blades 10. Then, it enters the shell 2, where large particles in the dust are filtered by the filter plate 8. Finally, it enters the main body 1 of the cylindrical electrostatic precipitator and is discharged after electrostatic dust removal.
[0031] When the filter plate 8 needs to be replaced, insert the socket 13 into the mounting slot 14 located on the outside of the housing 2, then temporarily stop the dust intake, loosen the hand-tightening bolt 7, and then push the slide 3 to move through the new filter assembly. The slide 3 drives the filter plate 8 to be replaced to move outward through the socket 13 installed on the inside of the housing 2. At this time, the new filter plate 8 moves into the housing 2 until the side plate 12, which is fixedly connected to the new filter plate 8, is fully inserted into the housing 2. Then tighten the hand-tightening bolt 7, which abuts and fixes the side plate 12 or the slide 3, and restores the dust intake.
[0032] When it is necessary to clean the spiral heat-conducting blades 10, unscrew the two bolts 11 to secure the mounting rod 5 to the insulation cylinder 4, and then pull out the heating shaft and the spiral heat-conducting blades 10.
[0033] It should be noted that, in actual use, an existing PLC controller can be added. The PLC controller is electrically connected to the heating rod 15 and the main body 1 of the cylindrical electrostatic precipitator to facilitate the control of the overall operation. The specific data analysis and processing involved to further realize the control function are methods that can be implemented by those skilled in the art based on common knowledge. These methods are not within the scope of this solution. The above description is only to illustrate the beneficial effects that can be achieved by this hardware structure improvement in conjunction with common knowledge.
[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A cylindrical electrostatic precipitator, comprising a cylindrical electrostatic precipitator body (1), characterized in that: The air inlet of the cylindrical electrostatic precipitator body (1) is fixedly connected to the shell (2). A movable mounting bracket is slidably installed inside the shell (2). A filter component is inserted into one side of the movable mounting bracket, and the filter component slides in a sealed manner with the inner wall of the shell (2). A hand-tightening bolt (7) is fixedly installed on one side of the bottom of the shell (2), and the hand-tightening bolt (7) is set through the shell (2) and threadedly connected to the shell (2). The hand-tightening bolt (7) abuts against the bottom of the filter component. The air inlet of the housing (2) is fixedly connected to the heat insulation cylinder (4), and the heat insulation cylinder (4) is detachably fixedly installed with a heating shaft. The outer surface of the heating shaft is fixedly sleeved with a spiral heat-conducting blade (10).
2. The cylindrical electrostatic precipitator according to claim 1, characterized in that: The movable mounting bracket includes a slide (3), and the slide (3) slides against the inner wall of the housing (2). Both sides of the slide (3) are fixedly connected with mounting slots (14).
3. A cylindrical electrostatic precipitator according to claim 2, characterized in that: The filter assembly includes a socket (13) and the socket (13) is inserted into an adjacent mounting slot (14). A plurality of filter plates (8) are uniformly fixedly connected to one side of the outer surface of the socket (13), and a side plate (12) is fixedly connected to the other end of the plurality of filter plates (8).
4. A cylindrical electrostatic precipitator according to claim 1, characterized in that: The heating shaft includes a mounting rod (5), which is attached to one end of the insulation cylinder (4). The mounting rod (5) and the insulation cylinder (4) are fixed together by bolts (11). A mounting shaft (16) is connected through and fixedly connected to the middle of the mounting rod (5). A support shaft (9) is fixedly connected to the mounting shaft (16). A spiral heat-conducting blade (10) is fixedly sleeved on the outer surface of the support shaft (9). A heating rod (15) is fixedly connected inside the support shaft (9).
5. A cylindrical electrostatic precipitator according to claim 1, characterized in that: The spiral heat-conducting blades (10) are attached to the inner wall of the heat-insulating cylinder (4).
6. A cylindrical electrostatic precipitator according to claim 1, characterized in that: The bottom of the cylindrical electrostatic precipitator body (1), shell (2) and insulation cylinder (4) are all fixedly connected to a support base (6).
Citation Information
Patent Citations
Electrostatic precipitator convenient to clean
CN106984431A