A layered ring skirt structure ceramic insulating block and electrostatic adsorption filter
By constructing ceramic insulating blocks with a layered ring skirt structure and using radial or spiral groove designs, the problems of electric field edge effects and pollutant accumulation in electrostatic adsorption filters are solved, achieving long service life and high-efficiency purification effect of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YINGWEITUO DUST REMOVAL TECHNOLOGY EQUIPMENT (TIANJIN) CO LTD
- Filing Date
- 2025-04-29
- Publication Date
- 2026-06-19
AI Technical Summary
The insulating block structure of existing electrostatic adsorption filters is prone to electric field edge effects, which reduces adsorption efficiency and causes pollutants to accumulate, resulting in a shortened service life of the equipment.
A layered ring-skirt structure is used for the ceramic insulating block, combined with a radial or spiral groove design to optimize the electric field distribution and guide contaminants to slide off. Al2O3 ceramic material doped with Y2O3 is used to improve thermal shock resistance.
It significantly extends equipment life, reduces maintenance costs, and improves purification efficiency, making it suitable for high humidity and high dust environments.
Smart Images

Figure CN224371665U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of environmental protection equipment technology, specifically to a layered ring-skirt structure ceramic insulating block and an electrostatic adsorption filter. Background Technology
[0002] Electrostatic adsorption filters are widely used in industrial dust removal, air purification and other fields. Their core components include high-voltage transmission and high-voltage insulation. Electrostatic adsorption filters are usually fixed to the ground through a grounding frame. In order to ensure the stability of the electrostatic adsorption filter during operation, it is usually connected and fixed to the grounding frame through an insulating block.
[0003] Currently, the insulating blocks used for fixing electrostatic adsorption filters are mostly columnar or single skirt-shaped structures to increase the creepage distance. This can easily lead to the edge effect of the electric field, reduce the adsorption efficiency, and since the surface of the insulating block is mostly smooth, pollutants can easily accumulate on the surface of the insulating block, thereby causing creepage or breakdown, resulting in a shortened service life of the equipment. Utility Model Content
[0004] The purpose of this invention is to provide a layered ring-skirt structure ceramic insulating block and an electrostatic adsorption filter to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a layered ring-skirt structure ceramic insulating block, comprising: a main body; and a plurality of ring skirts fixedly disposed on the main body, wherein the ring skirts are distributed in a layered manner on the main body.
[0006] Preferably, a plurality of grooves are formed on the annular skirt, and the grooves are evenly distributed on the annular skirt, and the grooves are radial and / or spiral in shape.
[0007] Preferably, the distance between two adjacent ring skirts is 'a', the height difference between the ring skirts is 'b', the value of 'a' is in the range of 5mm ≤ a ≤ 10mm, and the value of 'b' is in the range of 3mm ≤ b ≤ 7mm.
[0008] Preferably, the main body and the annular skirt are made of Al2O3 ceramic doped with a small amount of Y2O3.
[0009] Preferably, the edges of the skirt are rounded with a radius of 1 mm.
[0010] According to another aspect of this utility model, an electrostatic adsorption filter is provided, comprising: a grounding frame, wherein the main body is fixedly disposed inside the grounding frame; a filter body disposed on the grounding frame; and a plurality of high-voltage electrodes fixedly disposed inside the filter body, wherein the bottom end of the high-voltage electrodes is fixedly disposed with the main body.
[0011] This utility model provides a layered ring-skirt structured ceramic insulating block and an electrostatic adsorption filter, which has the following beneficial effects:
[0012] This invention optimizes the electric field distribution through a layered ring skirt structure and enhances the anti-dust accumulation capability by combining surface groove design. It is suitable for electrostatic adsorption filters in high humidity and high dust environments, significantly extending equipment life, reducing maintenance costs, reducing malfunctions, and improving purification efficiency. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the overall structure when the groove shape of this utility model is radial;
[0015] Figure 3 This is a schematic diagram of the overall structure when the groove shape of this utility model is spiral;
[0016] Figure 4 This is a schematic diagram of the ring skirt structure for this practical application;
[0017] Figure 5 This is a cross-sectional schematic diagram of the structure of the practical electrostatic adsorption filter.
[0018] In the diagram: 1. Main body; 2. Ring skirt; 3. Groove; 4. Grounding frame; 5. High voltage electrode; 6. Filter body. Detailed Implementation
[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0020] Example 1
[0021] Referring to 1-4, in this embodiment, a layered ring-skirt structured ceramic insulating block includes: a main body 1; and several ring skirts 2, fixedly disposed on the main body 1. The ring skirts 2 are distributed in a layered manner on the main body 1, with a spacing of a between two adjacent ring skirts 2 and a height difference of b between the ring skirts 2. The value range of a is 5mm≤a≤10mm, and the value range of b is 3mm≤b≤7mm. The main body 1 and the ring skirts 2 are made of Al2O3 ceramic doped with a small amount of Y2O3 to improve thermal shock resistance. The ring skirts 2 and the main body 1 are manufactured by isostatic pressing and segmented sintering processes to effectively ensure structural accuracy. By setting the layered ring skirts 2, the electric field intensity can be dispersed, and partial discharge can be suppressed.
[0022] Example 2
[0023] Reference Figures 2-4In this embodiment, a layered ring-skirt structure ceramic insulating block includes: a plurality of grooves 3 formed on a ring skirt 2, and the grooves 3 are evenly distributed on the ring skirt 2. The grooves 3 are radial and / or spiral in shape. By setting the radial or spiral grooves 3, the cleaning ability can be improved, and the contaminants can be guided to slide down along the grooves to both ends, preventing dust from accumulating on the surface of the ring skirt 2 and causing creepage or breakdown. The edges of the ring skirt 2 are rounded with a radius of 1 mm, which can reduce the dead corners of dust accumulation.
[0024] Example 3
[0025] Reference Figure 5 In this embodiment, an electrostatic adsorption filter includes: a grounding frame 4, with a main body 1 fixedly disposed inside the grounding frame 4; a filter body 6 disposed on the grounding frame 4; and a plurality of high-voltage electrodes 5 fixedly disposed inside the filter body 6, with the bottom end of the high-voltage electrodes 5 fixedly disposed to the main body 1.
[0026] This utility model provides a ceramic insulating block with a layered ring skirt structure, and its specific working principle is as follows:
[0027] The layered ring skirt 2 structure can optimize the electric field distribution. During use, the radial or spiral grooves 3 on the surface of the ring skirt 2 can guide pollutants to slide down along the grooves to both ends. The filter body 6 is suitable for high humidity and high dust environments, which can extend the equipment life, reduce maintenance costs, and reduce failures.
[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A layered ring skirt construction ceramic insulating block, characterized by: include: Main body (1); Several ring skirts (2) are fixedly set on the main body (1), and the ring skirts (2) are distributed in a layered manner on the main body (1); Several grooves (3) are formed on the annular skirt (2), and the grooves (3) are evenly distributed on the annular skirt (2). The grooves (3) are radial and / or spiral in shape. The distance between two adjacent ring skirts (2) is a, and the height difference between the ring skirts (2) is b. The value range of a is 5mm≤a≤10mm, and the value range of b is 3mm≤b≤7mm.
2. A layer-built ring skirt construction ceramic insulating block according to claim 1, characterized in that: The main body (1) and the annular skirt (2) are made of Al2O3 ceramic with a small amount of Y2O3 doped.
3. A layered ring-skirt structure ceramic insulating block according to any one of claims 1-2, characterized in that: The edge of the skirt (2) is rounded with a radius of 1mm.
4. An electrostatic adsorption filter comprising a layered annular structure ceramic insulating block as described in any one of claims 1-2, characterized in that: include: The grounding frame (4) is fixedly installed inside the grounding frame (4); The filter body (6) is mounted on the grounding frame (4); Several high-voltage electrodes (5) are fixedly installed inside the filter body (6), and the bottom end of the high-voltage electrodes (5) is fixedly installed with the body (1).