Dustproof device for fly ash bin

By using a filter screen and pusher plate assembly combined with a motor drive and a fan suction system in the dust control device for fly ash silos, the problem of fly ash drifting out was solved, achieving effective collection and dust control of fly ash and preventing air pollution.

CN222312132UInactive Publication Date: 2025-01-07LELING JUNLIN BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202421234031.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-01
Publication Date
2025-01-07
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing fly ash silo dust control devices allow a small amount of fly ash to escape from the remaining space at the ash inlet during dust control, resulting in air pollution when fly ash is disposed of.

Method used

The dustproof assembly consists of a filter screen, push plate, and connecting rod inside the dustproof cover. Combined with a motor-driven rotating rod and a fan suction system, it collects and filters fly ash through negative pressure adsorption and push plate movement, preventing fly ash from scattering.

Benefits of technology

Effectively collect and filter fly ash drifting out of the ash inlet to prevent dust from spreading outward, avoid air pollution, and ensure the cleanliness of the fly ash disposal process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fly ash storage, and discloses a fly ash bin dustproof device which comprises a bottom plate, a fly ash bin body is fixedly connected to the inner side of the bottom plate, a dustproof cover is fixedly connected to the upper portion of the fly ash bin body, a dustproof assembly is arranged in the dustproof cover, and an ash inlet is formed in the upper portion of the fly ash bin body. According to the fly ash bin, the fan is started to enable the air suction pipe to operate, negative pressure is formed in the dust cover to suck fly ash blown out of the ash inlet along with air to the filter screen to be filtered, the fly ash falls to the upper portion of the fly ash bin body, the connecting rod is pushed to enable the push plate to move, and the push plate pushes the fly ash on the upper portion of the fly ash bin body. According to the fly ash bin dustproof device, the fly ash falls into the fly ash bin body through the ash inlet, so that the fly ash bin dustproof device can collect the fly ash flying out of the fly ash bin body from the ash inlet, dust is prevented from flying out of the bin, and air pollution during fly ash throwing is greatly reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of fly ash storage, in particular to a fly ash bin dust prevention device. Background Art

[0002] Fly ash is a by-product, which is the fine particles remaining after the inorganic matter in coal is oxidized, decarbonized and volatilized when coal is burned. It is usually produced in coal-fired power plants, industrial boilers and thermal power plants. Fly ash is usually used as building materials, concrete admixtures, roadbed and pavement materials, filling materials, etc.

[0003] A fly ash silo is a container for storing fly ash. When fly ash is added to the silo, the fly ash will be blown out from the silo opening, so a fly ash silo dust prevention device is needed.

[0004] In the prior art, when the fly ash silo dust prevention device is in use, a small amount of fly ash will float out from the remaining space of the ash inlet, causing air pollution when the fly ash is put into the silo. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a fly ash silo dust prevention device, which aims to improve the fly ash silo dust prevention device in the prior art, in which a small amount of fly ash will float out from the remaining space of the ash inlet during dust prevention, resulting in air pollution when the fly ash is put into the silo.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fly ash silo dust prevention device, comprising a bottom plate, a fly ash silo body is fixedly connected to the inner side of the bottom plate, a dust cover is fixedly connected to the upper part of the fly ash silo body, a dust prevention assembly is arranged inside the dust cover, an ash inlet is opened on the upper part of the fly ash silo body, a rotating rod is rotatably connected to the inside of the ash inlet, a baffle is fixedly connected to the outer side of the rotating rod, a first gear is fixedly connected to the end of the rotating rod away from the baffle, a mounting plate is fixedly connected to the upper rear side of the fly ash silo body, a driving assembly is arranged in the middle part of the mounting plate, and an air suction assembly is arranged on the right side of the upper part of the mounting plate.

[0007] As a further description of the above technical solution:

[0008] The dustproof assembly includes a filter screen, a push plate and a connecting rod. The filter screen is fixedly connected around the inside of the dust cover, the push plate is slidably connected around the upper part of the fly ash bin body, and the connecting rod is fixedly connected to one side of the push plate close to the filter screen.

[0009] As a further description of the above technical solution:

[0010] The driving assembly includes a motor, a rotating shaft and a second gear. The motor is fixedly connected to the middle of the mounting plate, the rotating shaft is fixedly connected to the output end of the motor, and the second gear is fixedly connected to the outside of the rotating shaft.

[0011] As a further description of the above technical solution:

[0012] The air suction assembly includes a fan, an air suction pipe and an air delivery pipe. The fan is fixedly connected to the upper right side of the mounting plate, the air suction pipe is fixedly connected to the fan input end, and the air delivery pipe is fixedly connected to the fan output end.

[0013] As a further description of the above technical solution:

[0014] A support frame is fixedly connected to the lower part of the bottom plate, and the rotating rod passes through the ash inlet and the upper rear side of the fly ash bin body.

[0015] As a further description of the above technical solution:

[0016] The filter screen penetrates the dust cover and the filter screen.

[0017] As a further description of the above technical solution:

[0018] The second gear meshes with the first gear.

[0019] As a further description of the above technical solution:

[0020] A cavity is arranged inside the dust cover, and one end of the air intake pipe away from the fan passes through the dust cover and is connected with the cavity.

[0021] The utility model has the following beneficial effects:

[0022] In the utility model, the air suction pipe is operated by starting the fan, so that negative pressure is formed inside the dust cover, and the fly ash floating out of the ash inlet with the air is sucked toward the filter screen for filtration, so that the fly ash falls to the upper part of the fly ash bin body, and the connecting rod is pushed to move the push plate, and the push plate pushes the fly ash on the upper part of the fly ash bin body, so that the fly ash falls into the fly ash bin body through the ash inlet, thereby realizing that the fly ash bin dust prevention device can collect the fly ash floating out of the fly ash bin body from the ash inlet, prevent the dust from drifting outside the bin, and prevent air pollution when the fly ash is put. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a fly ash silo dust prevention device proposed by the utility model;

[0024] Figure 2 This is a front view of a fly ash silo dust prevention device proposed by the utility model;

[0025] Figure 3 for Figure 2 A in the enlarged view;

[0026] Figure 4 for Figure 2 Enlarged view of point B in .

[0027] Legend:

[0028] 1. Bottom plate; 2. Support frame; 3. Fly ash silo body; 4. Dust cover; 5. Filter; 6. Push plate; 7. Connecting rod; 8. Ash inlet; 9. Rotating rod; 10. Baffle; 11. First gear; 12. Mounting plate; 13. Motor; 14. Rotating shaft; 15. Second gear; 16. Fan; 17. Intake pipe; 18. Air supply pipe. 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 in 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] Reference Figure 1-4 The utility model provides an embodiment: a fly ash silo dust prevention device, comprising a bottom plate 1, a fly ash silo body 3 is fixedly connected to the inner side of the bottom plate 1, a dust cover 4 is fixedly connected to the upper part of the fly ash silo body 3, a dust prevention component is arranged inside the dust cover 4, an ash inlet 8 is opened on the upper part of the fly ash silo body 3, a rotating rod 9 is rotatably connected inside the ash inlet 8, a baffle 10 is fixedly connected to the outer side of the rotating rod 9, and a first gear 11 is fixedly connected to the end of the rotating rod 9 away from the baffle 10, a mounting plate 12 is fixedly connected to the upper rear side of the fly ash silo body 3, a driving component is arranged in the middle part of the mounting plate 12, and an air suction component is arranged on the upper right side of the mounting plate 12, the dust prevention component comprises a filter screen 5, a push plate 6 and a connecting rod 7, the filter screen 5 is fixedly connected to the inner periphery of the dust cover 4, and the push plate 6 is slidably connected to the fly ash silo body 3. Around the upper part of the ash bin body 3, the connecting rod 7 is fixedly connected to the side of the push plate 6 close to the filter 5, and the filter 5 passes through the dust cover 4 and the filter 5. The driving assembly includes a motor 13, a rotating shaft 14 and a second gear 15. The motor 13 is fixedly connected to the middle part of the mounting plate 12, the rotating shaft 14 is fixedly connected to the output end of the motor 13, the second gear 15 is fixedly connected to the outside of the rotating shaft 14, and the second gear 15 is meshed with the first gear 11. The suction assembly includes a fan 16, an air suction pipe 17 and an air supply pipe 18. The fan 16 is fixedly connected to the upper right side of the mounting plate 12, the air suction pipe 17 is fixedly connected to the input end of the fan 16, and the air supply pipe 18 is fixedly connected to the output end of the fan 16. A cavity is provided inside the dust cover 4, and the end of the air suction pipe 17 away from the fan 16 passes through the dust cover 4 and is connected to the cavity.

[0031] The motor 13 is started to drive the rotating shaft 14 to rotate, the rotating shaft 14 rotates to drive the second gear 15 to rotate, the second gear 15 drives the first gear 11 to rotate, the first gear 11 drives the rotating rod 9 to rotate, the rotating rod 9 drives the baffle 10 to rotate to open the ash inlet 8, and then the fly ash is added to the fly ash bin body 3 through the ash inlet 8, and then the fan 16 is started to operate the suction pipe 17 at the input end of the fan 16, so that negative pressure is formed inside the dust cover 4 to float the fly ash out of the ash inlet 8 with the air. The ash is sucked toward the filter screen 5, and the fly ash in the air is filtered through the filter screen 5, so that the fly ash falls to the upper part of the fly ash bin body 3, and finally the connecting rod 7 is pushed to make the connecting rod 7 drive the push plate 6 to move, and the push plate 6 moves to push the fly ash on the upper part of the fly ash bin body 3, so that the fly ash falls into the fly ash bin body 3 through the ash inlet 8, thereby realizing that the fly ash bin dust prevention device can collect the fly ash floating out of the fly ash bin body 3 from the ash inlet 8, prevent the dust from drifting outside the bin, and prevent air pollution when the fly ash is put.

[0032] Reference Figure 1-2 A support frame 2 is fixedly connected to the lower part of the bottom plate 1, and a rotating rod 9 passes through the ash inlet 8 and the upper rear side of the fly ash bin body 3.

[0033] The bottom plate 1 is supported by the support frame 2 , and the rotating rod 9 penetrates the ash inlet 8 and the fly ash bin body 3 so as to drive the rotating rod 9 and the baffle 10 to rotate through the first gear 11 .

[0034] Working principle: when it is necessary to collect the fly ash floating out of the fly ash bin body 3 from the ash inlet 8, start the fan 16 to operate the suction pipe 17 at the input end of the fan 16, so that negative pressure is formed inside the dust cover 4 to suck the fly ash floating out of the ash inlet 8 with the air to the filter 5, and the fly ash in the air is filtered by the filter 5, so that the fly ash falls to the upper part of the fly ash bin body 3, and finally the connecting rod 7 is pushed to make the connecting rod 7 drive the push plate 6 to move, and the push plate 6 moves to push the fly ash on the upper part of the fly ash bin body 3, so that the fly ash falls into the fly ash bin body 3 through the ash inlet 8, thereby realizing that the fly ash bin dust prevention device can collect the fly ash floating out of the fly ash bin body 3 from the ash inlet 8, prevent the dust from drifting outside the bin, and prevent air pollution when the fly ash is put.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fly ash silo dust prevention device, comprising a bottom plate (1), characterized in that: A fly ash bin body (3) is fixedly connected to the inner side of the bottom plate (1), a dust cover (4) is fixedly connected to the upper part of the fly ash bin body (3), a dust cover (4) is arranged inside the dust cover (4), an ash inlet (8) is opened on the upper part of the fly ash bin body (3), a rotating rod (9) is rotatably connected inside the ash inlet (8), a baffle (10) is fixedly connected to the outer side of the rotating rod (9), a first gear (11) is fixedly connected to the end of the rotating rod (9) away from the baffle (10), a mounting plate (12) is fixedly connected to the upper part of the rear side of the fly ash bin body (3), a driving assembly is arranged in the middle part of the mounting plate (12), and an air suction assembly is arranged on the right side of the upper part of the mounting plate (12).

2. A fly ash silo dust prevention device according to claim 1, characterized in that: The dustproof assembly comprises a filter screen (5), a push plate (6) and a connecting rod (7); the filter screen (5) is fixedly connected to the inside of the dustproof cover (4) around the periphery; the push plate (6) is slidably connected to the upper periphery of the fly ash bin body (3); and the connecting rod (7) is fixedly connected to a side of the push plate (6) close to the filter screen (5).

3. A fly ash silo dust prevention device according to claim 1, characterized in that: The driving assembly comprises a motor (13), a rotating shaft (14) and a second gear (15); the motor (13) is fixedly connected to the middle portion of the mounting plate (12); the rotating shaft (14) is fixedly connected to the output end of the motor (13); and the second gear (15) is fixedly connected to the outside of the rotating shaft (14).

4. A fly ash silo dust prevention device according to claim 1, characterized in that: The air suction component comprises a fan (16), an air suction pipe (17) and an air delivery pipe (18); the fan (16) is fixedly connected to the upper right side of the mounting plate (12); the air suction pipe (17) is fixedly connected to the input end of the fan (16); and the air delivery pipe (18) is fixedly connected to the output end of the fan (16).

5. The fly ash silo dust prevention device according to claim 1, characterized in that: The lower part of the bottom plate (1) is fixedly connected to a support frame (2), and the rotating rod (9) passes through the ash inlet (8) and the upper rear side of the fly ash bin body (3).

6. A fly ash silo dust prevention device according to claim 2, characterized in that: The filter screen (5) penetrates the dust cover (4) and the filter screen (5).

7. A fly ash silo dust prevention device according to claim 3, characterized in that: The second gear (15) meshes with the first gear (11).

8. A fly ash silo dust prevention device according to claim 4, characterized in that: A cavity is provided inside the dust cover (4), and one end of the air intake pipe (17) away from the fan (16) passes through the dust cover (4) and is connected to the cavity.