High-efficiency electric dust collector based on suppression of secondary dust raising
Patent Information
- Application Number
- CN202522265642.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-27
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2035-10-27
AI Technical Summary
[0003]电除尘器一般使用C型阳极板相对排列进行收尘,电室空间有限,阳极板进出安装不方便,其收尘面积有限,收尘量小,灰尘下落不彻底,有的灰尘附着在收尘网上根本就振打不掉,长时间积压造成收尘网孔堵塞,还增加了阳极振打的负担;还有一些的电除尘器阳极板设置了各种结构来抑制扬尘,例如旋转极板无扬尘刷灰具有克服扬尘的功能,但是旋转极板结构复杂,粉尘中旋转部件多,系统故障率高,实际使用过程中已经不乏拆除旋转极板恢复简单电场的案例
(1)工作时,对阳极收尘模块进行振打敲击,从C形阳极板、第一C形网板和第二C形网板上分离尘屑,所分离的尘屑靠自重落下,利用康达效应,使得C形阳极板、第一C形网板和第二C形网板上的尘屑能够沿着三者的表面顺滑落下,并利用第一C形网板和第二C形网板对C形阳极板的罩设,将落下的尘屑局限在第一C形网板和第二C形网板的内侧和周围的狭小区域内,有效避免扬尘;
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Figure CN224854375U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of flue gas dust removal equipment, specifically to a high-efficiency electrostatic precipitator based on suppressing secondary dust. Background Technology
[0002] Electrostatic precipitators remain the mainstream equipment for purifying large volumes of flue gas and dust from industrial kilns. Utilizing the internal space of the electric field to improve the efficiency of electrostatic precipitators has become a cost-effective technological approach.
[0003] Electrostatic precipitators typically use C-shaped anode plates arranged opposite each other for dust collection. However, the limited space in the electrostatic precipitator chamber makes it inconvenient to install and remove the anode plates. This results in a limited dust collection area, small dust collection volume, and incomplete dust settling. Some dust adheres to the dust collection mesh and cannot be removed by vibration, leading to long-term accumulation that clogs the mesh and increases the burden on the anode vibrators. Some electrostatic precipitators also incorporate various structures on the anode plates to suppress dust emission, such as rotating plates with dust-free brushing, which can overcome dust emission. However, rotating plates have complex structures with many rotating parts in the dust, resulting in a high system failure rate. In actual use, there are numerous cases where rotating plates have been removed to restore a simple electric field.
[0004] Furthermore, in practical use, although most dust particles carry a negative charge, a small amount still carries a positive charge. This is because when the cathode system is subjected to high voltage to generate corona discharge and charge the dust particles, the charge can be either positive or negative, depending on the collisions between electrons and ions with the dust particles. Under normal circumstances, because the negative ions generated by ionization travel a longer distance to the anode system (and have a greater chance of colliding with dust particles), there are more negatively charged dust particles, but this does not mean that there are no positively charged dust particles. Existing electrostatic precipitators are generally less effective at removing positively charged dust particles, which often leads to a decrease in dust removal efficiency due to the escape of positively charged dust (especially given the increasingly stringent environmental protection requirements). In other words, how to enable electrostatic precipitators to remove both positively and negatively charged dust, so that the dust removal efficiency can meet increasingly stringent requirements, is an urgent problem to be solved. Utility Model Content
[0005] The purpose of this invention is to address the aforementioned problems and shortcomings by providing a high-efficiency electrostatic precipitator that suppresses secondary dust generation, thereby improving overall work efficiency.
[0006] The technical problem solved by this utility model is: (1) The existing anode plates are inconvenient to install, have limited dust collection area, small dust collection volume, and incomplete dust settling. (2) Existing electrostatic precipitators are difficult to remove positively charged dust.
[0007] The objective of this utility model can be achieved through the following technical solution: A high-efficiency electrostatic precipitator based on suppressing secondary dust emission includes a dust collection chamber. An inlet horn is installed at one end of the dust collection chamber, and an outlet horn is installed at the other end of the dust collection chamber. Several ash discharge hoppers are installed side by side at the bottom of the dust collection chamber. An inlet settling component is provided in the middle of the inner side of the inlet horn, and an outlet settling component is provided in the outlet horn. Several anode dust collection components and several cathode dust collection components are installed inside the dust collection chamber. The several anode dust collection components and cathode dust collection components are arranged in several groups with uniform staggered intervals, and each group of anode dust collection components and cathode dust collection components corresponds one-to-one with the ash discharge hopper. The anode dust collection component includes an anode dust collection module, which includes a C-shaped anode plate, a first C-shaped mesh plate, and a second C-shaped mesh plate. The first C-shaped mesh plate is installed on one side of the C-shaped anode plate, and the second C-shaped mesh plate is installed on the other side of the C-shaped anode plate.
[0008] Preferably, the imported settlement component includes V-shaped folding plates, which are arranged side by side at equal intervals. The imported settlement component is installed inside the imported horn through a first suspension rod and a first support rod. The top of each V-shaped folding plate is fixedly connected to the first suspension rod through a first L-shaped suspension member, and the bottom sides of each V-shaped folding plate are fixedly installed on the first support rod through a first L-shaped support member.
[0009] Preferably, the outlet settling assembly includes W-shaped folding plates arranged side by side at equal intervals. The outlet settling assembly is installed inside the outlet horn via a second suspension rod and a second support rod. The top of each W-shaped folding plate is fixedly connected to the second suspension rod via a second L-shaped suspension member, and the bottom sides of each W-shaped folding plate are fixedly installed on the second support rod via a second L-shaped support member.
[0010] Preferably, the first C-shaped mesh plate, the second C-shaped mesh plate, the V-shaped folding plate, and the W-shaped folding plate all include a dust removal panel. The dust removal panel has a plurality of mesh holes evenly distributed in an array. Side support plates are fixedly connected to both sides of the dust removal panel. The first C-shaped mesh plate and the second C-shaped mesh plate are both fixedly connected to the side of the C-shaped anode plate through the side support plates. Each mesh hole of the dust removal panel includes a first inner bending member and a first outer bending member.
[0011] Preferably, the first inner bending member and the first outer bending member on the dust removal panel are arranged side by side, and the first outer bending member and the first inner bending member in each row are evenly staggered. The two ends of the first outer bending member are fixedly connected to the two ends of the first inner bending member. The first inner bending member and the first outer bending member on the dust removal panel are integrated. The middle part of the first inner bending member and the first outer bending member are inclined. Both sides of the first inner bending member and the first outer bending member are inclined. The lower part of the middle part of the first inner bending member and the first outer bending member is further away from the dust removal panel than the upper part of the middle part.
[0012] Preferably, positioning vertical rods are installed on both the left and right sides of the anode dust collection module, and the upper and lower sides of several anode dust collection modules are fixedly connected to the anode plate beams through the positioning vertical rods. The anode plate beams located at the top are suspended in the electrostatic precipitator through the anode suspension beams, and the anode plate beams located at the bottom are fixed in the electrostatic precipitator through the anode support beams and are further supported by the anode support beams.
[0013] Preferably, the cathode dust collection assembly includes a dust collection discharge electrode wire, which includes a mesh dust collection body, a semi-circular clamping tube, and discharge spikes. The semi-circular clamping tube is clamped and installed on both sides of the mesh dust collection body, and the discharge spikes are evenly distributed on both sides of the mesh dust collection body. The mesh dust collection body clamps and fixes each discharge spike correspondingly through the semi-circular clamping tube. The mesh dust collection body includes a dust collection panel, on which a plurality of mesh holes are evenly distributed in an array.
[0014] Preferably, each mesh of the dust collection panel includes a second inner bend and a second outer bend. The second inner bend and the second outer bend on the dust collection panel are arranged side by side. Each row of second outer bends and each row of second inner bends are evenly staggered. The two end sides of the second outer bend are fixedly connected to the two end sides of the second inner bend. The second inner bend and the second outer bend on the dust collection panel are an integral structure. The middle part of the second inner bend and the second outer bend are inclined. Both sides of the second inner bend and the second outer bend are inclined. The lower middle part of the second inner bend and the upper middle part are further away from the dust collection panel than the upper middle part.
[0015] Preferably, an air guide support tube is snapped into the inner side of the middle of the semi-circular clamping tube. Each air guide support tube is externally connected to an air supply pipe and can be opened and closed independently. Each air supply pipe and its connection are kept insulated. A soot blowing plate is installed on the side of the air guide support tube near the mesh dust collector. The soot blowing plate seals through the side wall of the air guide support tube and the semi-circular clamping tube. Each pair of soot blowing plates is symmetrically arranged on both sides of the mesh dust collector. A soot blowing chute is opened through the inside of the soot blowing plate. In this embodiment, the soot blowing chute is inclined and the lower part of the soot blowing chute is close to the mesh dust collector.
[0016] Preferably, the dust-collecting discharge electrode wire is installed in the electrostatic precipitator through the cathode frame.
[0017] The beneficial effects of this utility model are as follows: (1) During operation, the anode dust collection module is vibrated and struck to separate dust from the C-shaped anode plate, the first C-shaped mesh plate and the second C-shaped mesh plate. The separated dust falls by its own weight. Utilizing the Coanda effect, the dust on the C-shaped anode plate, the first C-shaped mesh plate and the second C-shaped mesh plate can fall smoothly along the surface of the three. The cover of the C-shaped anode plate by the first C-shaped mesh plate and the second C-shaped mesh plate confines the falling dust to the inner side and the narrow area around the first C-shaped mesh plate and the second C-shaped mesh plate, effectively avoiding dust. (2) During operation, the mesh dust collector increases the contact area of the cathode, and the mesh openings facilitate airflow, allowing the ion flow to pass through the dust-collecting discharge electrode wires. This makes it easier for positively charged dust particles to adhere to the mesh dust collector under the combined action of electric field force, air pressure thrust, and inter-ion force. The uniformly distributed mesh openings are formed in the middle of the dust collection panel by the evenly staggered inner and outer bending parts. The middle of the dust collection panel is punched and stretched from a planar structure to a 3D mesh structure through an integrated molding process, which increases the adhesion of dust particles. By increasing the collection area, the overall work efficiency is improved. Clean gas is simultaneously delivered to the air guide support pipes on both sides of each mesh dust collector. The clean gas is guided by the air guide support pipes to the dust blowing panel and blown out, blowing air on each side of the mesh dust collector. Combined with vibration, positively charged dust is collected and discharged during ash discharge, increasing the dust removal capacity of the electrostatic precipitator and avoiding the omission of positively charged dust. It can also blow air from one side of the air guide support pipe and suck air from the other side, thereby avoiding secondary dust generation. Attached Figure Description
[0018] Figure 1 This is a top view of the internal structure of this utility model; Figure 2 This is a schematic diagram of the overall structure of this utility model; Figure 3 This is a schematic diagram of the overall structure of the imported settling component of this utility model; Figure 4 This is a schematic diagram of the overall structure of the anode dust collection assembly of this utility model; Figure 5 This is a top view of the overall structure of the anode dust collection module of this utility model; Figure 6 This is a schematic diagram of the overall structure of the first C-shaped mesh plate of this utility model; Figure 7 This is a schematic diagram of the overall structure of the cathode dust collection assembly of this utility model; Figure 8 This is a top view of the overall structure of the dust-collecting discharge electrode wire of this utility model; Figure 9 This is a schematic diagram of the overall structure of the mesh dust collector of this utility model; Figure 10This is a cross-sectional view of the overall structure of the soot blowing panel of this utility model; Figure 11 This is a schematic diagram of the overall structure of the outlet settling component of this utility model.
[0019] Explanation of reference numerals in the attached figures: 1. Dust removal chamber; 2. Inlet horn; 3. Outlet horn; 4. Inlet settling assembly; 5. Anode dust collection assembly; 6. Cathode dust collection assembly; 7. Outlet settling assembly; 8. V-shaped baffle; 9. First suspension rod; 10. First support rod; 11. First L-shaped suspension component; 12. First L-shaped support component; 13. Anode suspension beam; 14. Anode support beam; 15. Anode plate crossbeam; 16. Positioning vertical rod; 17. Anode dust collection module; 18. C-shaped anode plate; 19. First C-shaped mesh plate; 20. Second C-shaped mesh plate; 21. 22. Dust collector panel; 23. Side support plate; 24. First inner bend; 25. First outer bend; 26. Cathode frame; 27. Dust-collecting discharge electrode wire; 28. Mesh dust collector; 29. Semi-circular clamping tube; 30. Discharge barb; 31. Air guide support tube; 32. Soot blowing panel; 33. Second outer bend; 34. Second inner bend; 35. Soot blowing chute; 36. W-shaped folding plate; 37. Second suspension rod; 38. Second L-shaped suspension component; 39. Second support rod; 40. Second L-shaped support component. Detailed Implementation
[0020] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.
[0021] Please see Figures 1 to 11 As shown: A high-efficiency electrostatic precipitator based on suppressing secondary dust includes a dust collection chamber 1. An inlet horn 2 is installed at one end of the dust collection chamber 1, and an outlet horn 3 is installed at the other end of the dust collection chamber 1. Several ash discharge hoppers are installed side by side at the bottom of the dust collection chamber 1. An inlet settling component 4 is provided in the middle of the inner side of the inlet horn 2, and an outlet settling component 7 is provided in the outlet horn 3. Several anode dust collection components 5 and several cathode dust collection components 6 are installed inside the dust collection chamber 1. The several anode dust collection components 5 and cathode dust collection components 6 are arranged in several groups with uniform staggered intervals, and each group of anode dust collection components 5 and cathode dust collection components 6 corresponds one-to-one with the ash discharge hopper. The anode dust collection component 5 includes an anode dust collection module 17. The anode dust collection module 17 includes a C-shaped anode plate 18, a first C-shaped mesh plate 19, and a second C-shaped mesh plate 20. The first C-shaped mesh plate 19 is installed on one side of the C-shaped anode plate 18, and the second C-shaped mesh plate 20 is installed on the other side of the C-shaped anode plate 18. In this embodiment, the anode dust collection module 17, which serves as the anode structure of the electrostatic precipitator, works in conjunction with the cathode wire to form an electric field. This ionizes the air surrounding the cathode wire, generating negative ions. Dust particles in the airflow passing through the electric field combine with these negative ions, forming negatively charged dust particles. The electric field exerts an electric force on these negatively charged dust particles, pushing them towards the anode dust collection module 17. By staggering the cathode wire and the anode dust collection module 17, dust particles are collected on both sides of the first C-shaped mesh plates 19 and second C-shaped mesh plates 20 on both sides of the anode dust collection module 17, as well as on both sides of the C-shaped anode plate 18 in the middle of the anode dust collection module 17. The anode dust collection module 17 is grounded to neutralize the charge of the dust particles. When the dust-laden airflow stops, the anode dust collection module 17 is vibrated and struck to separate the dust particles from the C-shaped anode plate 18, the first C-shaped mesh plate 19, and the second C-shaped mesh plate 20. The separated dust particles fall off by their own weight. Utilizing the Coanda effect, the dust particles on the C-shaped anode plate 18, the first C-shaped mesh plate 19, and the second C-shaped mesh plate 20 can fall smoothly along the surfaces of the three. Furthermore, by covering the C-shaped anode plate 18 with the first C-shaped mesh plate 19 and the second C-shaped mesh plate 20, the falling dust particles are confined to the narrow area inside and around the first C-shaped mesh plate 19 and the second C-shaped mesh plate 20, effectively preventing dust from being stirred up.
[0022] The inlet settling assembly 4 includes V-shaped folding plates 8, which are arranged side by side at equal intervals. The inlet settling assembly 4 is installed inside the inlet horn 2 via a first suspension rod 9 and a first support rod 10. The top of each V-shaped folding plate 8 is fixedly connected to the first suspension rod 9 via a first L-shaped suspension member 11, and the bottom sides of each V-shaped folding plate 8 are fixedly installed on the first support rod 10 via a first L-shaped support member 12. The outlet settling assembly 7 includes W-shaped folding plates 36, which are arranged side by side at equal intervals. The outlet settling assembly 7 is installed inside the outlet horn 3 via a second suspension rod 37 and a second support rod 39. The top of each W-shaped folding plate 36 is fixedly connected to the second suspension rod 37 via a second L-shaped suspension member 38, and the bottom sides of each W-shaped folding plate 36 are fixedly installed on the second support rod 39 via a second L-shaped support member 40. The first C-shaped mesh plate 19, the second C-shaped mesh plate 20, the V-shaped folding plate 8, and the W-shaped folding plate 36 all include a dust removal panel 21. The dust removal panel 21 has a plurality of uniformly distributed mesh holes arranged in an array. Side support plates 22 are fixedly connected to both sides of the dust removal panel 21. The first C-shaped mesh plate 19 and the second C-shaped mesh plate 20 are both fixedly connected to the sides of the C-shaped anode plate 18 via the side support plates 22. Each mesh hole in the dust removal panel 21 includes a first inner bending member 23 and a first outer bending member 24. The first inner bending member 23 and the first outer bending member 24 on the dust removal panel 21 are arranged side-by-side. The first outer bending member 24 and the first inner bending member 23 in each row are evenly staggered. The two ends of the first outer bending member 24 are fixedly connected to the two ends of the first inner bending member 23. The first inner bending member 23 and the first outer bending member 24 on the dust removal panel 21 are integral structures. The middle part of the first inner bending member 23 and the first outer bending member 24 is inclined. Both sides of the first inner bending member 23 and the first outer bending member 24 are inclined. In this embodiment, the lower middle part of the first inner bending member 23 and the first outer bending member 24 is further away from the dust removal panel 21 than the upper middle part. In this embodiment, the first inner bending member 23 and the first outer bending member 24 are evenly and alternately arranged to form a uniformly distributed mesh in the middle of the dust removal panel 21. The middle of the dust removal panel 21 is punched and stretched from a planar structure to a 3D mesh structure through an integral molding process, which increases the capture area for attachment and collection, thereby improving the overall working efficiency. The inclined surface structure of the first inner bending member 23 and the first outer bending member 24 increases the distance between adjacent bending members, preventing dust falling from the top from re-attaching to the first inner bending member 23 and the first outer bending member 24 below. The side inclination angle of the first inner bending member 23 and the first outer bending member 24 allows the dust removal panel 21 to adapt to dust-laden airflows of various humidity levels. When removing dust from dust-laden airflows with high humidity, the inclined surface allows the attached dust to fall off completely. Furthermore, the bottom edge of the upper inclined surface is offset from the top edge of the lower inclined surface, preventing the fallen dust clumps from re-attaching to the lower inclined surface. This ensures that when the anode dust collection module 17 is vibrated, the attached and collected dust can fall off completely without leaving any residue.
[0023] Positioning vertical rods 16 are installed on both the left and right sides of the anode dust collection module 17. The upper and lower sides of several anode dust collection modules 17 are fixedly connected to the anode plate beam 15 through the positioning vertical rods 16. The anode plate beam 15 located at the top is suspended in the electrostatic precipitator through the anode suspension beam 13, and the anode plate beam 15 located at the bottom is fixed in the electrostatic precipitator through the anode support beam 14 and is also supported by the anode support beam 14. In this embodiment, the anode dust collection module 17 is suspended from the top of the electrostatic precipitator via the anode suspension beam 13. An anode vibrator is installed on each anode dust collection module 17 to vibrate and remove the collected dust. The anode plate crossbeam 15 ensures that the anode dust collection modules 17 are evenly arranged in an array. The frame structure composed of the anode plate crossbeam 15, the anode suspension beam 13, and the anode support beam 14 provides stable support for the anode dust collection modules 17, preventing separation, loosening, and falling, thus ensuring long-term and orderly dust removal operations.
[0024] The cathode dust collection assembly 6 includes a dust collection discharge electrode wire 26, which includes a mesh dust collection body 27, a semi-circular clamping tube 28, and discharge spikes 29. The semi-circular clamping tube 28 is clamped and installed on both sides of the mesh dust collection body 27, and the discharge spikes 29 are evenly distributed on both sides of the mesh dust collection body 27. The mesh dust collection body 27 clamps and fixes each discharge spike 29 correspondingly through the semi-circular clamping tube 28. The mesh dust collection body 27 includes a dust collection panel 32, on which a plurality of mesh holes are evenly distributed in an array. In this embodiment, the dust-collecting discharge electrode wire 26 serves as the cathode of the electrostatic precipitator. Discharge is generated through the tip of the discharge barb 29, which, in conjunction with the anode structure of the electrostatic precipitator, forms an electric field. This ionizes the air surrounding the dust-collecting discharge electrode wire 26, generating negative ions. Dust particles in the airflow passing through the electric field combine with these negative ions, forming negatively charged dust particles. The electric field exerts an electric force on these negatively charged dust particles, pushing them towards the anode structure. By staggering the anode structure and the dust-collecting discharge electrode wire 26, dust particles are collected and adhered to both sides of the anode structure. Simultaneously, the mesh dust collector 27 increases the cathode's contact area, and the mesh openings facilitate airflow passage, allowing the ion flow to pass through the dust-collecting discharge electrode wire 26. This makes it easier for positively charged dust particles to adhere to the mesh dust collector 27 under the combined action of electric field force, air pressure thrust, and inter-ion forces.
[0025] Each mesh of the dust collection panel 32 includes a second inner bending member 34 and a second outer bending member 33. The second inner bending member 34 and the second outer bending member 33 on the dust collection panel 32 are arranged side by side. Each row of second outer bending members 33 and each row of second inner bending members 34 are evenly staggered. The two end sides of the second outer bending member 33 are fixedly connected to the two end sides of the second inner bending member 34. The second inner bending member 34 and the second outer bending member 33 on the dust collection panel 32 are integrated. The middle part of the second inner bending member 34 and the second outer bending member 33 is inclined. Both sides of the second inner bending member 34 and the second outer bending member 33 are inclined. In this embodiment, the lower middle part of the second inner bending member 34 and the second outer bending member 33 is further away from the dust collection panel 32 than the upper middle part. In this embodiment, the second inner bending member 34 and the second outer bending member 33 are evenly and alternately arranged to form a uniformly distributed mesh in the middle of the dust collection panel 32. The middle of the dust collection panel 32 is punched and stretched from a planar structure to a 3D mesh structure through an integral molding process, which increases the capture area for attachment and collection, thereby improving the overall working efficiency. The inclined surface structure of the second inner bend 34 and the second outer bend 33 increases the distance between adjacent upper and lower bends, preventing dust falling from the upper part from re-attaching to the lower second inner bend 34 and the second outer bend 33. The side inclination angle of the second inner bend 34 and the second outer bend 33 allows the dust collection panel 32 to adapt to dust-laden airflows of various humidity levels. When removing dust from dust-laden airflows with high humidity, the inclined surface allows the attached dust to fall off fully. Furthermore, the bottom edge of the upper inclined surface is offset from the top edge of the lower inclined surface, preventing the fallen dust clumps from re-attaching to the lower inclined surface. This ensures that when the dust collection electrode wire 26 is vibrated, the attached dust can fall off fully without leaving any residue.
[0026] A gas guide support tube 30 is snapped into the inner side of the middle of the semi-circular clamping tube 28. Each gas guide support tube 30 is connected to an external gas supply pipe and can be opened and closed independently. Each gas supply pipe and its connection are kept insulated. A soot blowing plate 31 is installed on the side of the gas guide support tube 30 near the mesh dust collector 27. The soot blowing plate 31 seals through the side wall of the gas guide support tube 30 and the semi-circular clamping tube 28. Each pair of soot blowing plates 31 is symmetrically arranged on both sides of the mesh dust collector 27. In this embodiment, clean gas is simultaneously supplied to the air guide support pipes 30 on both sides of each mesh dust collector 27. The clean gas is guided by the air guide support pipes 30 to the soot blowing plate 31 and blown out, blowing air on each side of the mesh dust collector 27. Combined with vibration, positively charged dust is collected and discharged during ash discharge, increasing the dust removal capacity of the electrostatic precipitator and avoiding the omission of positively charged dust.
[0027] The interior of the dust blowing panel 31 is provided with a dust blowing chute 35. In this embodiment, the dust blowing chute 35 is inclined and the lower part of the dust blowing chute 35 is close to the mesh dust collector 27. Other angles can also be set, which will not be described in detail in this embodiment. In this embodiment, the inclined blowing chute 35 can not only blow away the dust on the mesh dust collector 27, but also form a downward airflow to guide the dust to fall into the dust hopper. It can also blow air through the air guide support pipe 30 on one side and suck air through the air guide support pipe 30 on the other side, thereby avoiding secondary dust generation.
[0028] The dust-collecting discharge electrode wire 26 is installed in the electrostatic precipitator through the cathode frame 25.
[0029] In summary, during operation, the anode dust collection module 17 is vibrated and struck to separate dust particles from the C-shaped anode plate 18, the first C-shaped mesh plate 19, and the second C-shaped mesh plate 20. The separated dust particles fall off due to their own weight. Utilizing the Coanda effect, the dust particles on the C-shaped anode plate 18, the first C-shaped mesh plate 19, and the second C-shaped mesh plate 20 can fall smoothly along the surfaces of the three. Furthermore, by covering the C-shaped anode plate 18 with the first C-shaped mesh plate 19 and the second C-shaped mesh plate 20, the falling dust particles are confined to a small area inside and around the first C-shaped mesh plate 19 and the second C-shaped mesh plate 20, effectively preventing dust from being stirred up. The mesh dust collector 27 increases the cathode contact area, and the mesh openings facilitate airflow, allowing the ion flow to pass through the dust-collecting discharge electrode wires 26. This makes it easier for positively charged dust to adhere to the mesh dust collector 27 under the combined action of electric field force, air pressure thrust, and inter-ion force. The uniformly staggered second inner bending member 34 and second outer bending member 33 form a uniformly distributed mesh in the center of the dust collection panel 32. The central part of the dust collection panel 32 is punched and stretched from a planar structure into a 3D mesh structure through an integral molding process, increasing the adhesion and collection efficiency. The collection area is increased, thereby improving the overall working efficiency. Clean gas is simultaneously delivered to the air guide support pipes 30 on both sides of each mesh dust collector 27. The clean gas is guided by the air guide support pipes 30 to the soot blowing plate 31 and blown out, blowing air on each side of the mesh dust collector 27. Combined with vibration, positively charged dust is collected and discharged during ash discharge, increasing the dust removal capacity of the electrostatic precipitator and avoiding the omission of positively charged dust. It can also blow air from one side of the air guide support pipe 30 and suck air from the other side, thereby avoiding secondary dust generation.
[0030] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.
Claims
1. A high-efficiency electrostatic precipitator based on suppressing secondary dust, characterized in that, The system includes a dust removal chamber (1), with an inlet horn (2) installed at one end and an outlet horn (3) installed at the other end. Several ash discharge hoppers are installed side-by-side at the bottom of the dust removal chamber (1). An inlet settling assembly (4) is provided in the inlet horn (2), and an outlet settling assembly (7) is provided in the outlet horn (3). Several anode dust collection assemblies (5) and several cathode dust collection assemblies (6) are installed inside the dust removal chamber (1). The components (6) are arranged in a uniform staggered pattern in several groups, and each group of anode dust collection components (5) and cathode dust collection components (6) corresponds to the ash discharge hopper. The anode dust collection component (5) includes an anode dust collection module (17), which includes a C-shaped anode plate (18), a first C-shaped mesh plate (19), and a second C-shaped mesh plate (20). The first C-shaped mesh plate (19) is installed on one side of the C-shaped anode plate (18), and the second C-shaped mesh plate (20) is installed on the other side of the C-shaped anode plate (18).
2. The high-efficiency electrostatic precipitator based on suppressing secondary dust as described in claim 1, characterized in that, The inlet settling assembly (4) includes V-shaped folding plates (8), which are arranged side by side at equal intervals. The inlet settling assembly (4) is installed inside the inlet horn (2) through a first suspension rod (9) and a first support rod (10). The top of each V-shaped folding plate (8) is fixedly connected to the first suspension rod (9) through a first L-shaped suspension member (11), and the bottom sides of each V-shaped folding plate (8) are fixedly installed on the first support rod (10) through a first L-shaped support member (12).
3. The high-efficiency electrostatic precipitator based on suppressing secondary dust as described in claim 1, characterized in that, The outlet settling assembly (7) includes W-shaped folding plates (36), which are arranged side by side at equal intervals. The outlet settling assembly (7) is installed inside the outlet horn (3) via a second suspension rod (37) and a second support rod (39). The top of each W-shaped folding plate (36) is fixedly connected to the second suspension rod (37) via a second L-shaped suspension member (38), and the bottom sides of each W-shaped folding plate (36) are fixedly installed on the second support rod (39) via a second L-shaped support member (40).
4. A high-efficiency electrostatic precipitator based on suppressing secondary dust as described in claim 3, characterized in that, The first C-shaped mesh plate (19), the second C-shaped mesh plate (20), the V-shaped folding plate (8) and the W-shaped folding plate (36) all include a dust removal panel (21). The dust removal panel (21) has a number of mesh holes evenly distributed in an array. The two sides of the dust removal panel (21) are fixedly connected to side support plates (22). The first C-shaped mesh plate (19) and the second C-shaped mesh plate (20) are fixedly connected to the side of the C-shaped anode plate (18) through the side support plates (22). Each mesh hole of the dust removal panel (21) includes a first inner bending member (23) and a first outer bending member (24).
5. A high-efficiency electrostatic precipitator based on suppressing secondary dust as described in claim 4, characterized in that, The first inner bending member (23) and the first outer bending member (24) on the dust removal panel (21) are arranged side by side. The first outer bending member (24) and the first inner bending member (23) in each row are evenly staggered. The two ends of the first outer bending member (24) are fixedly connected to the two ends of the first inner bending member (23). The first inner bending member (23) and the first outer bending member (24) on the dust removal panel (21) are integrated. The middle part of the first inner bending member (23) and the first outer bending member (24) is inclined. Both sides of the first inner bending member (23) and the first outer bending member (24) are inclined. The lower part of the middle part of the first inner bending member (23) and the first outer bending member (24) is further away from the dust removal panel (21) than the upper part of the middle part.
6. A high-efficiency electrostatic precipitator based on suppressing secondary dust as described in claim 1, characterized in that, Positioning vertical rods (16) are installed on both the left and right sides of the anode dust collection module (17). The upper and lower sides of several anode dust collection modules (17) are fixedly connected to the anode plate beams (15) through the positioning vertical rods (16). The anode plate beams (15) at the top are suspended in the electrostatic precipitator through the anode suspension beams (13), and the anode plate beams (15) at the bottom are fixed in the electrostatic precipitator through the anode support beams (14) and are supported by the anode support beams (14).
7. A high-efficiency electrostatic precipitator based on suppressing secondary dust as described in claim 1, characterized in that, The cathode dust collection assembly (6) includes a dust collection discharge electrode wire (26), which includes a mesh dust collection body (27), a semi-circular clamping tube (28), and discharge spikes (29). The semi-circular clamping tube (28) is clamped and installed on both sides of the mesh dust collection body (27). The discharge spikes (29) are evenly distributed on both sides of the mesh dust collection body (27), and the mesh dust collection body (27) clamps and fixes each discharge spike (29) accordingly through the semi-circular clamping tube (28). The mesh dust collection body (27) includes a dust collection panel (32), on which a number of mesh holes are evenly distributed in an array.
8. A high-efficiency electrostatic precipitator based on suppressing secondary dust as described in claim 7, characterized in that, Each mesh of the dust collection panel (32) includes a second inner bend (34) and a second outer bend (33). The second inner bend (34) and the second outer bend (33) on the dust collection panel (32) are arranged side by side. Each row of the second outer bend (33) and each row of the second inner bend (34) are evenly staggered. The two ends of the second outer bend (33) are fixedly connected to the two ends of the second inner bend (34). The second inner bend (34) and the second outer bend (33) on the dust collection panel (32) are integrated. The middle part of the second inner bend (34) and the second outer bend (33) is inclined. Both sides of the second inner bend (34) and the second outer bend (33) are inclined. The lower middle part of the second inner bend (34) and the second outer bend (33) is further away from the dust collection panel (32) than the upper middle part.
9. A high-efficiency electrostatic precipitator based on suppressing secondary dust as described in claim 7, characterized in that, The middle inner side of the semi-circular clamping tube (28) is fitted with an air guide support tube (30). Each air guide support tube (30) is connected to an external air supply pipe and can be opened and closed independently. Each air supply pipe and its connection are kept insulated. A soot blowing plate (31) is installed on the side of the air guide support tube (30) near the mesh dust collector (27). The soot blowing plate (31) seals through the side wall of the air guide support tube (30) and the semi-circular clamping tube (28). Each pair of soot blowing plates (31) is symmetrically arranged on both sides of the mesh dust collector (27). A soot blowing chute (35) is opened through the inside of the soot blowing plate (31). The soot blowing chute (35) is inclined and the lower part of the soot blowing chute (35) is close to the mesh dust collector (27).
10. A high-efficiency electrostatic precipitator based on suppressing secondary dust as described in claim 7, characterized in that, The dust-collecting discharge electrode wire (26) is installed in the electrostatic precipitator through the cathode frame (25).