Double-layer positive pressure shielding device for insulator of electric dust collector
The double-layer shielding device using a compressed air cover and air curtain ring addresses soot adhesion issues, enhancing insulator performance and longevity in electrostatic precipitators.
Patent Information
- Application Number
- CN202420823458.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The adhesion of soot to insulators in electrostatic precipitators under positive pressure leads to reduced insulation performance and service life, affecting the efficiency and stability of pyrometallurgical smoke exhaust dust collection systems.
A double-layer positive pressure shielding device comprising a compressed air cover and an air curtain ring, with specific vent configurations and concave holes, forms a shielding system to prevent soot adhesion by pressing smoke into the dust collector.
The device effectively prevents insulator pollution, extending its service life and maintaining insulation performance by forming a double-layer positive pressure shielding effect.
Smart Images
Figure CN222132207U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pyrometallurgical systems and relates to a double-layer positive pressure shielding device for an insulator of an electric dust collector. Background Art
[0002] The cavity below the insulator inside the electrostatic precipitator is prone to adhesion of soot when the dust collector is under positive pressure, causing the insulation performance of the insulator to deteriorate, causing creepage, and reducing the dust collection performance of the dust collector. At the same time, the service life of the insulator is reduced, which has a great impact on the economic and stable operation of the pyrometallurgical smoke exhaust dust collection system. Utility Model Content
[0003] The utility model aims to solve the problems existing in the prior art and provide a double-layer positive pressure shielding device for an insulator of an electric precipitator, thereby solving the problem that smoke ash adheres to the insulator under positive pressure, which easily leads to a decrease in the insulation performance of the insulator.
[0004] To this end, the utility model adopts the following technical solutions:
[0005] A double-layer positive pressure shielding device for an insulator of an electric precipitator comprises a compressed air cover and an air curtain ring. The compressed air cover is annular in shape, with a first vent at the top and a second vent at the bottom. A clamping ring is provided at the bottom edge of the compressed air cover. A first air inlet is provided on the side of the compressed air cover, and the first air inlet is connected to the first vent and the second vent. The air curtain ring is annular in shape, with a third vent in the middle and a second air inlet on the side, and the second air inlet is connected to the third vent.
[0006] Further, the radius of the first vent is smaller than the radius of the second vent.
[0007] Furthermore, a plurality of evenly-arranged concave holes are provided at the bottom of the air curtain air ring.
[0008] Furthermore, the air pressure cover is made of quartz.
[0009] The beneficial effects of the utility model are:
[0010] The utility model discloses to pass compressed air into the compressed air cover and the wind ring of the wind curtain to form a positive pressure shielding system, and to press the smoke into the dust collector, so as to timely clean the smoke and dust inside the insulator, thereby avoiding the insulator surface being polluted by the smoke and dust in the smoke and the abnormal phenomenon caused by the smoke and dust adhesion, and the service life of the insulator can be extended, and the double positive pressure shielding effect is formed, which is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the installation structure of the utility model;
[0012] Figure 2 It is a schematic diagram of the top view of the air pressure cover of the utility model;
[0013] Figure 3 It is a schematic diagram of the structure of the wind ring of the wind curtain of the utility model when viewed from above.
[0014] In the figure, 1-air pressure cover, 2-air curtain air ring, 3-first vent, 4-second vent, 5-clamp, 6-first air inlet, 7-third vent, 8-second air inlet, 9-recessed hole, 10-insulator. DETAILED DESCRIPTION
[0015] The technical solution of the utility model is described below in conjunction with the accompanying drawings and implementation methods.
[0016] like Figure 1 As shown, a double-layer positive pressure shielding device for an insulator of an electric precipitator comprises a pressure air cover 1 and a wind curtain wind ring 2. The pressure air cover 1 is annular and is made of quartz material; Figure 2 As shown, the top of the compressed air cover 1 is provided with a first vent 3 , and the bottom is provided with a second vent 4 ; specifically, the radius of the first vent 3 is smaller than the radius of the second vent 4 .
[0017] A clamping ring 5 is provided at the bottom edge of the compressed air cover 1, and the size of the clamping ring 5 is adapted to the top size of the insulator 10; a first air inlet 6 is provided on the side of the compressed air cover 1, and the first air inlet 6 is connected with the first vent 3 and the second vent 4; the wind curtain wind ring 2 is annular, and a third vent 7 is provided in the middle, and a second air inlet 8 is provided on the side, and the second air inlet 8 is connected with the third vent 7; Figure 3 As shown, a plurality of evenly-circumferentially-shaped concave holes 9 are provided at the bottom of the air curtain air ring 2. The provision of the concave holes 9 can facilitate the continued installation of subsequent components and increase the friction between the two.
[0018] During use of the utility model, the compressed air cover 1 and the wind curtain air ring 2 are respectively installed on the top and bottom of the insulator 10, and then the compressed air is respectively introduced into the first air inlet 6 and the second air inlet 8. When the electrostatic precipitator is in a positive pressure state, the compressed air in the first air inlet 6 and the second air inlet 8 can respectively form a positive pressure shielding system through the compressed air cover 1 and the wind curtain air ring 2, and the smoke is pressed into the interior of the dust collector, and the smoke inside the insulator is cleaned in time, so as to avoid the insulator surface being polluted by the smoke in the smoke and the abnormal phenomenon caused by the smoke adhesion, which can extend the service life of the insulator and provide a double-layer positive pressure shielding barrier for the insulator 10.
Claims
1. A double-layer positive pressure shielding device for an insulator of an electric precipitator, characterized in that: The invention comprises an air pressure cover (1) and an air curtain ring (2), wherein the air pressure cover (1) is annular in shape, a first vent (3) is provided at the top thereof, and a second vent (4) is provided at the bottom thereof, a clamping ring (5) is provided at the bottom edge of the air pressure cover (1), a first air inlet duct (6) is provided at the side of the air pressure cover (1), and the first air inlet duct (6) is in communication with the first vent (3) and the second vent (4), and the air curtain ring (2) is annular in shape, a third vent (7) is provided at the middle thereof, and a second air inlet duct (8) is provided at the side thereof, and the second air inlet duct (8) is in communication with the third vent (7).
2. A double-layer positive pressure shielding device for an insulator of an electric precipitator according to claim 1, characterized in that: The radius of the first ventilation opening (3) is smaller than the radius of the second ventilation opening (4).
3. A double-layer positive pressure shielding device for an insulator of an electric precipitator according to claim 1, characterized in that: The bottom of the wind curtain air ring (2) is provided with a plurality of evenly circumferentially arranged concave holes (9).
4. A double-layer positive pressure shielding device for an electric precipitator insulator according to claim 1, characterized in that: The air pressure cover (1) is made of quartz material.