Flow equalizing air inlet structure of circular electric dust remover

By designing a motor-driven cam and extrusion roller combined with scraper and sliding frame in a circular electrocollizer, the problem of debris is solved, and the uniform diffusion of air flow is achieved through the design of annular rack and rotating plate, and the dust removal effect is improved.

CN222678362UActive Publication Date: 2025-03-28XUANHUA METALLURGY ENVIRONMENTAL PROTECTION SHEBEIZHIZAO INSTA
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Patent Information

Application Number
CN202421240722.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-03-28
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The airflow driven by the dust collector during operation may carry debris other than dust, causing debris to clog the holes used for guidance and reduce the dust removal effect.

Method used

A circular electro-dust collector is designed with a uniform air inlet structure, including a motor-driven cam and an extrusion roller. Through the cooperation of the scraper and the sliding frame, debris attached to the outside of the vent should be scraped off to prevent clogging. At the same time, the uniform diffusion of air flow is achieved through the design of an annular rack and rotating plate.

Benefits of technology

Effectively prevent debris from blocking the vent for a long time, improve the working efficiency of the dust collector, and improve the dust removal effect by evenly diffusing the air flow.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flow equalizing air inlet structure of a circular electric precipitator, a device main body comprises an outer shell, one end of the bottom of the outer shell is fixedly installed with a second motor, an output shaft of the second motor penetrates into the outer shell, and the end of the output shaft of the second motor is fixedly connected with a cam. An air inlet is formed in one side of the outer wall of the outer shell, a sliding frame is slidably connected to the position, close to the air inlet, of the inner wall of the outer shell, a plurality of scrapers are fixedly connected to the inner side wall of the sliding frame, the scrapers are arranged at equal intervals in the length direction of the sliding frame, and springs are fixedly connected to the top of the sliding frame. The top ends of the springs are fixedly connected with the inner wall of the outer shell, extrusion rollers are rotationally connected to the positions, located below all the scraping pieces, of the inner side of the sliding frame, a motor drives a cam to rotate, the cam pushes the extrusion rollers above and the sliding frame to do lifting motion, and the scraping pieces are arranged on the inner side of the sliding frame. And the scraper can scrape off sundries attached to the outer side of the ventilation opening.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric precipitators, in particular to a uniform flow air inlet structure of a circular electric precipitator. Background Art

[0002] Circular electrostatic precipitator is a type of electrostatic precipitator, which is characterized by the structural shape of the equipment being cylindrical or quasi-cylindrical. This type of dust collector is usually used in situations where efficient removal of particulate matter is required, such as high-temperature flue gas and grate flue gas in industrial production. The design of the circular electrostatic precipitator can provide a larger filtration area to increase the efficiency of dust capture, and can adapt to different process and space requirements.

[0003] A Chinese patent discloses a dust collector vibration device (publication number: CN214811723U). The first equalizing hole on the first orifice plate of the device is divergent, which can make the airflow diverge from the center to the outside, so that the airflow distribution range becomes larger and evenly distributed in the cylinder. The second orifice plate can further make the diffused airflow uniformly become horizontal, preventing the airflow from infinitely expanding to a position where dust is not easy to be removed. The equalizing device can adjust the direction of the airflow, which is convenient for adjustment at any time, so that the dust on the cathode plate in the electric field is evenly adsorbed, and the dust removal effect is improved. However, the device also has the following effects:

[0004] In the above device, the direction of the airflow is changed by the first flow-balancing hole on the surface of the first orifice plate. However, when the dust collector is working, the airflow driven by the airflow may carry debris other than dust, which may block the holes for guiding the airflow, thereby reducing the dust removal effect. Utility Model Content

[0005] The technical problem to be solved by the utility model is as follows: the airflow driven by the dust collector when it is working may carry debris other than dust, and these debris may block the holes used to guide the airflow, thereby reducing the dust removal effect.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A uniform air inlet structure for a circular electrostatic precipitator, comprising a device body, a filtering mechanism is arranged on one side of the device body, a guiding mechanism is arranged on the other side of the device body, and the device body comprises a first motor and a second motor;

[0008] Also includes:

[0009] The device body includes an outer shell, one end of the bottom of the outer shell is fixedly mounted with the second motor, the output shaft of the second motor penetrates the outer shell, and the end of the output shaft of the second motor is fixedly connected with a cam;

[0010] An air inlet is provided on one side of the outer wall of the outer shell, a sliding frame is slidably connected to the inner wall of the outer shell near the air inlet, a plurality of scrapers are fixedly connected to the inner wall of the sliding frame, and the plurality of scrapers are equidistantly arranged along the length direction of the sliding frame;

[0011] Among them, a spring is fixedly connected to the top of the sliding frame, the top of the spring is fixedly connected to the inner wall of the outer shell, and an extrusion roller is rotatably connected to the inner side of the sliding frame and located below all the scrapers, and the bottom outer wall of the extrusion roller is in active contact with the cam.

[0012] As a further solution of the utility model: one end of the top of the outer shell is fixedly installed with the motor 1, the output shaft of the motor 1 is fixedly connected with a gear, and the lower end of the outer wall of the gear faces the inside of the outer shell.

[0013] As a further solution of the utility model: a movable cover is movably installed on the outer wall of the shell and on one side close to the air inlet, a sealing gasket is fixedly connected to the outer side edge of the movable cover, and the outer wall of the sealing gasket is movably connected to the surface of the shell.

[0014] As a further solution of the utility model: the filtering mechanism includes a retarder box, which is located inside the outer shell and close to one side of the sliding frame. The outer wall of the retarder box is slidably connected to the inner wall of the outer shell, and ventilation holes are opened on both sides of the outer wall of the retarder box and close to the sliding frame.

[0015] As a further solution of the utility model: the outer wall of the retarder box and one side close to the sliding frame is movably connected to the scraper, and the bottom of the inner wall of the retarder box is slidably connected to a collection box.

[0016] As a further solution of the utility model: the guide mechanism includes an annular rack, the annular rack includes an annular rack, the outer wall edge of the annular rack is rotatably connected to the inner wall of the outer shell, and the top of the annular rack passes through the outer shell, and the outer side wall of the annular rack is meshingly connected to the gear.

[0017] As a further solution of the utility model: a rotating plate is fixedly connected to the inner side of the annular rack, and a plurality of guide openings are opened on the surface of the rotating plate, and the length direction of each guide opening is inconsistent.

[0018] Beneficial effects of the utility model:

[0019] (1) The utility model drives the cam to rotate by a motor, so that the cam pushes the upper squeezing roller and its sliding frame to move up and down. A scraper is arranged on the inner side of the sliding frame, and the scraper can scrape off the debris attached to the outer side of the vent, thereby preventing the debris from blocking the vent for a long time, and further preventing the debris from affecting the working efficiency of the dust collector;

[0020] (2) A retarder box with ventilation holes on the surface is provided in the device. The airflow is decelerated after passing through the ventilation holes. During this period, part of the dust carried in the airflow falls into the collection box at the bottom of the retarder box under the action of gravity, which relieves the pressure of dust adsorption on the cathode plate at the rear;

[0021] (3) In the device, a motor drives a gear to drive an annular rack to rotate inside the outer shell. A rotating plate with a guide opening is provided in the middle of the annular rack. When the rotating plate rotates together with the annular rack, the airflow passes through the guide opening and is dispersed in various directions, thereby facilitating uniform diffusion of the airflow. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] Figure 1 It is a schematic diagram of the internal structure of the outer shell of the utility model;

[0024] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the cross-sectional structure of the guide mechanism in the utility model;

[0026] Figure 4 It is a side view structural diagram of the sliding frame in the utility model;

[0027] Figure 5 It is a side structural schematic diagram of the filtering mechanism in the utility model.

[0028] In the figure: 1. device body; 101. outer shell; 102. air inlet; 103. motor 1; 104. gear; 105. movable cover; 106. sealing gasket; 107. motor 2; 108. cam; 109. sliding frame; 110. squeezing roller; 111. scraper; 112. spring; 2. filtering mechanism; 201. retarder; 202. vent; 203. collecting box; 3. guiding mechanism; 301. annular rack; 302. rotating plate; 303. guiding port. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] like Figure 1-5As shown, a uniform air inlet structure of a circular electrostatic precipitator includes a device body 1, a filtering mechanism 2 is arranged on one side of the inside of the device body 1, a guiding mechanism 3 is arranged on the other side of the inside of the device body 1, and the device body 1 includes a motor 103 and a motor 2 107; and further includes: wherein the device body 1 includes an outer shell 101, one end of the bottom of the outer shell 101 is fixedly installed with the motor 2 107, the output shaft of the motor 2 107 penetrates the outer shell 101, and the output shaft end of the motor 2 107 is fixedly connected with a cam 108; wherein an inlet is provided on one side of the outer wall of the outer shell 101 The air inlet 102 is slidably connected to a sliding frame 109 on the inner wall of the outer shell 101 and near the air inlet 102. A plurality of scrapers 111 are fixedly connected to the inner wall of the sliding frame 109, and the plurality of scrapers 111 are arranged equidistantly along the length direction of the sliding frame 109. A spring 112 is fixedly connected to the top of the sliding frame 109, and the top of the spring 112 is fixedly connected to the inner wall of the outer shell 101. A squeezing roller 110 is rotatably connected to the inner side of the sliding frame 109 and located below all the scrapers 111. The bottom outer wall of the squeezing roller 110 is in active contact with the cam 108, as shown in FIG. Figure 1 As shown, the spring 112 pushes the sliding frame 109 to descend inside the outer shell 101;

[0031] One end of the top of the outer shell 101 is fixedly installed with the motor 103, the output shaft of the motor 103 is fixedly connected with a gear 104, the lower end of the outer wall of the gear 104 faces the inside of the outer shell 101, and a movable cover 105 is movably installed on the outer wall of the outer shell 101 and close to the air inlet 102. The outer side of the movable cover 105 is fixedly connected with a sealing gasket 106, and the outer wall of the sealing gasket 106 is movably connected to the surface of the outer shell 101. Figure 2 As shown, the sealing gasket 106 is made of silicone material and is used to block the connection gap between the movable cover 105 and the outer shell 101, thereby improving the airtightness of the outer shell 101;

[0032] The filtering mechanism 2 includes a retarder box 201, which is located inside the outer shell 101 and close to the sliding frame 109. The outer wall of the retarder box 201 is slidably connected to the inner wall of the outer shell 101. Ventilation holes 202 are provided on both sides of the outer wall of the retarder box 201 and close to the sliding frame 109. The outer wall of the retarder box 201 and one side close to the sliding frame 109 are movably connected to the scraper 111. The bottom of the inner wall of the retarder box 201 is slidably connected to a collection box 203. Figure 1 As shown, the scraper 111 scrapes away the debris on the surface of the retarder 201 near the vent 202;

[0033] The guide mechanism 3 includes an annular rack 301, the annular rack 301 includes an annular rack 301, the outer wall edge of the annular rack 301 is rotatably connected to the inner wall of the outer shell 101, and the top of the annular rack 301 passes through the outer shell 101, the outer wall of the annular rack 301 is meshed with the gear 104, the inner side of the annular rack 301 is fixedly connected to a rotating plate 302, and the surface of the rotating plate 302 is provided with a plurality of guide openings 303, and the length direction of each guide opening 303 is inconsistent, such as Figure 3 As shown, the airflow is blown toward different areas through the guide openings 303 in different directions.

[0034] The working principle of this utility model:

[0035] When the dust collector is in operation, the airflow enters from the air inlet 102 and releases the retarder box 201, and then the airflow is squeezed into the retarder box 202 and decelerated, during which part of the dust in the airflow falls into the collection box 203 at the bottom of the retarder box 201 under the action of gravity;

[0036] Secondly, the second motor 107 is started to drive the cam 108 to rotate and push the squeezing roller 110 to lift up. When the cam 108 rotates to separate from the squeezing roller 110, the spring 112 pushes the sliding frame 109 to descend. The above steps are repeated, and the scraper 111 inside the sliding frame 109 continuously scrapes the debris on the surface of the retarder box 201, thereby preventing the vent 202 from being blocked.

[0037] When the motor 2 103 is started, it drives the gear 104 to rotate, and the gear 104 pushes the annular rack 301 to rotate inside the outer shell 101. At this time, the airflow passes through the guide port 303 on the inner side of the rotating plate 302 and continuously changes its direction, thereby improving the uniformity of the incoming air.

[0038] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A uniform air inlet structure for a circular electrostatic precipitator, comprising a device body (1), a filtering mechanism (2) being arranged on one side of the interior of the device body (1), a guiding mechanism (3) being arranged on the other side of the interior of the device body (1), and the device body (1) comprising a first motor (103) and a second motor (107); It is characterized in that Also includes: The device body (1) comprises an outer shell (101), one end of the bottom of the outer shell (101) is fixedly mounted with a second motor (107), the output shaft of the second motor (107) penetrates into the outer shell (101), and the end of the output shaft of the second motor (107) is fixedly connected with a cam (108); An air inlet (102) is provided on one side of the outer wall of the outer shell (101); a sliding frame (109) is slidably connected to the inner wall of the outer shell (101) near the air inlet (102); a plurality of scrapers (111) are fixedly connected to the inner wall of the sliding frame (109); and the plurality of scrapers (111) are equidistantly arranged along the length direction of the sliding frame (109); The top of the sliding frame (109) is fixedly connected to a spring (112), the top of the spring (112) is fixedly connected to the inner wall of the outer shell (101), the inner side of the sliding frame (109) and located below all the scrapers (111) is rotatably connected to a squeezing roller (110), and the bottom outer wall of the squeezing roller (110) is in active contact with the cam (108).

2. The uniform air inlet structure of a circular electrostatic precipitator according to claim 1, characterized in that: One end of the top of the outer shell (101) is fixedly mounted to the motor 1 (103); the output shaft of the motor 1 (103) is fixedly connected to a gear (104); and the lower end of the outer wall of the gear (104) faces the inside of the outer shell (101).

3. The uniform air inlet structure of a circular electrostatic precipitator according to claim 1, characterized in that: A movable cover (105) is movably mounted on the outer wall of the outer shell (101) and on one side close to the air inlet (102); a sealing gasket (106) is fixedly connected to the outer side of the movable cover (105); and the outer wall of the sealing gasket (106) is movably connected to the surface of the outer shell (101).

4. The uniform air inlet structure of a circular electrostatic precipitator according to claim 1, characterized in that: The filtering mechanism (2) comprises a retarder box (201), the retarder box (201) being located inside the outer shell (101) and close to a side of the sliding frame (109), the outer wall of the retarder box (201) being slidably connected to the inner wall of the outer shell (101), and ventilation openings (202) being provided on both sides of the outer wall of the retarder box (201) and close to the sliding frame (109).

5. The uniform air inlet structure of a circular electrostatic precipitator according to claim 4, characterized in that: The outer wall of the retarder box (201) and one side close to the sliding frame (109) is movably connected to the scraper (111), and the bottom of the inner wall of the retarder box (201) is slidably connected to a collection box (203).

6. The uniform air inlet structure of a circular electrostatic precipitator according to claim 1, characterized in that: The guide mechanism (3) comprises an annular rack (301), wherein the annular rack (301) comprises an annular rack (301), wherein the outer wall edge of the annular rack (301) is rotatably connected to the inner wall of the outer shell (101), and the top of the annular rack (301) passes through the outer shell (101), and the outer side wall of the annular rack (301) is meshingly connected to the gear (104).

7. The uniform air inlet structure of a circular electrostatic precipitator according to claim 6, characterized in that: A rotating plate (302) is fixedly connected to the inner side of the annular rack (301), and a plurality of guide openings (303) are provided on the surface of the rotating plate (302), and the length direction of each guide opening (303) is inconsistent.

Citation Information

Patent Citations

  • Air inlet of circular electric dust remover

    CN214811723U