A device for removing aluminum ash from an aluminum ash conveying belt

Abstract

The utility model relates to the technical field of aluminium ash conveying belt, specifically relates to a kind of aluminium ash conveying belt ash removal device, including cylinder and scraper bar, the cylinder is set in the lower part of lower layer conveying belt of belt conveyor, the both ends of the cylinder are rotatably connected with the rack of belt conveyor;The scraper bar is fixed on the cylinder, and the scraper bar is attached to lower layer conveying belt setting.This new is set by cylinder and scraper bar, in the process of conveying belt movement, scraper bar and conveying belt contact produce friction, and the aluminium ash adhered on the belt is scraped by friction, and scraper bar is moved under the action of friction and the thrust of conveying belt movement, and scraper bar moves, and cylinder rotates driven by scraper bar movement, when scraper bar and conveying belt have no contact, conveying belt produces slight vibration and restores horizontal state, at this time, the aluminium ash adhered on conveying belt and not scraped falls into receiving hopper under the action of vibration and gravity, to realize the cleaning of conveying belt.

Description

Technical Field

[0001] This utility model relates to the field of aluminum ash conveyor belt ash removal technology, and in particular to an aluminum ash conveyor belt ash removal device. Background Technology

[0002] In the process of aluminum ash processing, a belt conveyor is used to transport the aluminum ash to the discharge port for further processing. During transportation, due to the physical characteristics of aluminum ash, such as fine particles, low density, and strong surface adsorption, it easily adheres to the belt surface through electrostatic adsorption, resulting in the gradual formation of a dense ash layer on the working surface of the belt. As the conveyor belt rotates, the aluminum ash attached to the lower layer of the belt gradually falls off, especially at the belt deflector rollers where tension changes cause large areas of residual aluminum ash to fall off, resulting in ground dust pollution.

[0003] Existing dust removal devices clean aluminum ash by installing scrapers on the belt. However, because the scraper blades are sharp and hard, excessive pressure from the scraper on the belt can scratch the surface rubber, causing longitudinal cracks and shortening the belt's service life. At the same time, the intense friction between the scraper and the belt leads to severe wear on the scraper blades, affecting the performance. Summary of the Invention

[0004] To address the problem of aluminum ash easily adhering to conveyor belts after transport and being difficult to clean, this invention provides an aluminum ash removal device for conveyor belts. This device involves installing a roller and a scraper at the lower part of the lower conveyor belt. During belt movement, the scraper contacts the belt, generating friction that scrapes off the aluminum ash adhering to it. The friction and the thrust of the moving conveyor belt further drive the scraper to move, which in turn rotates the roller. When the scraper is no longer in contact with the belt, the belt vibrates slightly and returns to a horizontal state. At this point, any remaining aluminum ash adhering to the belt falls into the receiving hopper under the influence of vibration and gravity, achieving further cleaning of the conveyor belt.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A dust removal device for an aluminum ash conveyor belt is disclosed. The device is located near the lower conveyor belt, close to the guide roller, and includes a roller and scrapers. The roller is positioned below the lower conveyor belt, supporting it, and its two ends are rotatably connected to the conveyor frame. Multiple scrapers are fixed to the roller in a circumferential manner on the outer wall of the roller, and are positioned to conform to the lower conveyor belt. During conveyor belt movement, friction is generated between the scrapers and the belt, scraping away the aluminum ash adhering to the belt. The friction and the thrust of the moving belt drive the scrapers to move, causing the roller to rotate. When the scrapers are no longer in contact with the belt, the belt vibrates slightly and returns to a horizontal state. Any remaining aluminum ash adhering to the belt falls into the receiving hopper under the influence of vibration and gravity, further cleaning the belt.

[0007] Furthermore, the scraper has a circular, elliptical, or arc-shaped cross-section. This prevents the conveyor belt from being scratched during dust removal, thus avoiding belt wear.

[0008] Furthermore, each of the aforementioned scrapers is horizontally arranged along the roller axis. The structure is simple and reliable, and the scraper bar can cover the width of the conveyor belt, improving cleaning efficiency.

[0009] Furthermore, each of the aforementioned scraper bars is spirally arranged along the roller axis. This spiral arrangement of the scraper bars enables continuous cleaning, creating a progressive cleaning trajectory, while also facilitating material discharge and preventing dust accumulation at the base of the scraper bars, which would negatively impact the cleaning effect.

[0010] Furthermore, both ends of the roller are rotatably connected to pre-tensioning devices for ensuring the conveyor belt remains in contact with the roller at all times. The roller is connected to the frame via the pre-tensioning devices. The pre-tensioning device includes a support rod, a spring, and a connecting seat. The support rod is rotatably connected to the end of the roller, and the connecting seat is connected to the frame. The lower part of the support rod fits inside the connecting seat and can slide within it. The spring is positioned between the support rod and the connecting seat. This improves the continuity of the roller and scraper during rotation and also tensions the belt, thus improving performance.

[0011] Furthermore, a threaded rod is fixed to the lower end of the connecting seat, and a fixed seat is externally threaded onto the threaded rod. The fixed seat is fixed to the frame, and an adjusting handwheel is fixedly connected to the bottom of the threaded rod. This facilitates adjusting the distance between the roller and the belt when the gap between the roller and the belt is too large. It also allows the roller to be moved away from the conveyor belt by rotating the adjusting handwheel without disassembling the roller, which is convenient for the maintenance of the belt conveyor or the replacement of the belt.

[0012] The beneficial effects of this utility model through the above technical solution are:

[0013] This invention involves installing a roller and a scraper at the lower part of the lower conveyor belt of a belt conveyor. During the movement of the conveyor belt, the scraper comes into contact with the conveyor belt, generating friction that scrapes off the aluminum dust adhering to the belt. Under the action of friction and the thrust of the moving conveyor belt, the scraper moves, which in turn drives the roller to rotate. When the scraper is no longer in contact with the conveyor belt, the conveyor belt vibrates slightly and returns to a horizontal state. At this time, the aluminum dust that was not scraped off falls into the receiving hopper under the action of vibration and gravity, thus cleaning the conveyor belt.

[0014] This invention prevents the conveyor belt from being scratched and worn during dust removal by setting the cross-section of the scraper to a circular, elliptical, or arc-shaped structure.

[0015] This invention improves the continuity of the roller and scraper during rotation by setting pre-tightening devices at both ends of the roller, and at the same time can tension the belt, thus improving the performance.

[0016] This utility model, by setting a threaded rod, a fixed seat and an adjusting handwheel at the lower part of the connecting seat, facilitates the adjustment of the distance between the roller and the belt when the gap between the roller and the belt is too large. At the same time, it facilitates the rotation of the adjusting handwheel to move the roller away from the conveyor belt without disassembling the roller, which is convenient for the maintenance of the belt conveyor or the replacement of the conveyor belt. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an aluminum ash conveyor belt ash removal device according to the present invention.

[0018] Figure 2 This is a top view schematic diagram of an aluminum ash conveyor belt ash removal device according to the present invention.

[0019] Figure 3 This is a schematic diagram of the roller and scraper of Embodiment 1 of the aluminum ash conveyor belt ash removal device of this utility model.

[0020] Figure 4 This is a schematic diagram of the pre-tensioning device of an aluminum ash conveyor belt ash removal device according to the present invention.

[0021] Figure 5 This is a schematic diagram of the installation structure of the pre-tightening device of an aluminum ash conveyor belt ash removal device according to the present invention.

[0022] Figure 6 This utility model relates to an aluminum ash conveyor belt ash removal device. Figure 5 Top view.

[0023] Figure 7 This is a schematic diagram of the roller and scraper of Embodiment 2 of the aluminum ash conveyor belt ash removal device of this utility model.

[0024] The attached diagram is labeled as follows: 1. Conveyor belt, 2. Receiving hopper, 3. Roller, 4. Scraper, 5. Frame, 6. Pre-tensioning device, 61. Support rod, 62. Spring, 63. Connecting seat, 64. Fixed seat, 65. Adjusting handwheel, 66. Threaded rod. Detailed Implementation

[0025] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings:

[0026] Example 1: As Figures 1-3 As shown, an aluminum ash conveyor belt dust removal device is provided. The device is located near the lower conveyor belt 1, close to the belt guide roller, and includes a roller 3 and scrapers 4. The roller 3 is positioned below the lower conveyor belt 1 and pushes the conveyor belt 1 upwards. Both ends of the roller 3 are rotatably connected to the conveyor frame 5. Multiple scrapers 4 are circumferentially fixed to the outer wall of the roller 3 and are positioned close to the lower conveyor belt 1. The scrapers 4 can rotate as the conveyor belt 1 moves. In this embodiment, the roller 3 can rotate by moving the scrapers 4 via the conveyor belt 1, or by connecting an external motor or other device capable of driving the roller 3. A receiving hopper 2 is located at the bottom of the roller 3. This receiving hopper is for the next process equipment and is used to receive materials conveyed by the conveyor belt 1 and collect fallen aluminum ash.

[0027] The cross-section of the scraper 4 is circular, elliptical, or arc-shaped to prevent the conveyor belt 1 from being scratched during dust removal, thus preventing wear on the conveyor belt 1.

[0028] The length of the roller 3 and the scraper 4 is greater than the width of the conveyor belt 1. The single scraper 4 is set horizontally along the axial direction of the roller 3. By setting the scraper 4 horizontally, the structure is simple and reliable. The body of the scraper 4 can cover the width direction of the conveyor belt 1, thus improving the cleaning effect.

[0029] To improve the continuity of rotation of roller 3 and scraper 4, such as Figures 4-6As shown, both ends of the roller 3 are rotatably connected to pre-tensioning devices 6, which ensure that the conveyor belt 1 remains in contact with the roller 3 and the scraper 4. The roller 3 is connected to the frame 5 via the pre-tensioning devices 6. Specifically, the pre-tensioning device 6 includes a support rod 61, a spring 62, and a connecting seat 63. The top of the support rod 61 is rotatably connected to the end of the roller 3, and the connecting seat 63 is connected to the frame 5. The connecting seat 63 has a cylindrical structure, and the lower part of the support rod 61 is fitted inside the connecting seat 63 and slides within it. Both the upper part of the support rod 61 and the lower outer wall of the connecting seat 63 have fixed bosses, and the spring 62 is fitted between the bosses of the support rod 61 and the connecting seat 63. By connecting the pre-tensioning devices 6 at both ends of the roller 3, the roller 3 or the scraper 4 can always lift the conveyor belt 1, preventing gaps or lack of contact when the scraper 4 and the conveyor belt 1 are severely worn, which would affect the continuity of the roller 3's rotation. Simultaneously, it can tension the conveyor belt 1, improving the performance.

[0030] To facilitate adjusting the distance between the roller 3 and the conveyor belt 1 when the gap between the roller 3 and the conveyor belt 1 is too large, a threaded rod 66 is fixed to the lower end of the connecting seat 63. The threaded rod 66 has a fixed seat 64 on its external thread. The fixed seat 64 is fixed to the frame 5. At this time, the connecting seat 63 is not directly connected to the frame 5, but is connected to the frame 5 through the fixed seat 64. An adjusting handwheel 65 is fixed to the end of the threaded rod 66, which allows the roller 3 to be moved away from the conveyor belt 1 without disassembling the roller 3, facilitating the maintenance of the belt conveyor or the replacement of the belt.

[0031] Please refer to this again. Figure 1 As the conveyor belt 1 moves, the scraper 4 comes into contact with the conveyor belt 1, generating friction that scrapes off the aluminum ash adhering to the belt. As the contact area between the top scraper 4 and the conveyor belt 1 increases, the conveyor belt 1 is slightly deformed upwards by the scraper 4. Under the action of friction and the thrust of the moving conveyor belt 1, the scraper 4 moves, driving the roller 3 to rotate. After the conveyor belt 1 moves to the top of the roller 3, the contact area between the scraper 4 and the conveyor belt 1 gradually decreases. At this time, another scraper 4 comes into contact with the belt to start the next cycle, thus driving the roller 3 to rotate. When the scraper 4 is no longer in contact with the conveyor belt 1, the deformation of the conveyor belt 1 caused by the upward compression returns to a horizontal state and generates slight vibration. At this time, the aluminum ash that was not scraped off falls into the receiving hopper 2 under the action of vibration and gravity, achieving further cleaning of the belt.

[0032] When it is necessary to adjust the distance between the roller 3 and the conveyor belt 1, turn the adjusting handwheel 65. The adjusting handwheel 65 drives the threaded rod 66 to rotate relative to the fixed seat 64 and move downward. The support rod 61 moves downward under the drive of the connecting seat 63 and the spring 62, thereby causing the roller 3 set on the support rod 61 to move downward away from the conveyor belt 1, thereby adjusting the distance between the roller 3 and the conveyor belt 1.

[0033] Example 2: The structure of Example 2 is basically the same as that of Example 1, and the similarities will not be repeated. The difference is that, for example... Figure 7 As shown, the scraper 4 is spirally arranged along the axis of the roller 3. By spirally arranging the scraper 4, continuous cleaning can be achieved, forming a progressive cleaning trajectory. At the same time, it facilitates material discharge and prevents dust accumulation at the root of the scraper 4, which would affect the cleaning effect.

[0034] The embodiments described above are merely preferred embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the patent claims of this utility model should be included within the scope of the patent application of this utility model.

Claims

1. A dust removal device for an aluminum ash conveyor belt, wherein the dust removal device is disposed at the lower layer of the conveyor belt (1) near the guide roller of the conveyor belt (1), characterized in that, It includes a roller (3) and a scraper (4). The roller (3) is set at the lower part of the lower conveyor belt (1) of the belt conveyor. The roller (3) lifts the conveyor belt (1) upward. The two ends of the roller (3) are rotatably connected to the frame (5) of the belt conveyor. The scraper (4) is fixed on the roller (3). There are multiple scrapers (4). The multiple scrapers (4) are circumferentially fixed to the outer wall of the roller (3). The scrapers (4) are set to fit against the lower conveyor belt (1).

2. The aluminum ash conveyor belt ash removal device according to claim 1, characterized in that, The cross-section of the scraper (4) is circular, elliptical or arc-shaped.

3. The aluminum ash conveyor belt ash removal device according to claim 2, characterized in that, Each of the scrapers (4) is arranged horizontally along the axial direction of the roller (3).

4. The aluminum ash conveyor belt ash removal device according to claim 2, characterized in that, The individual scraper (4) is spirally arranged along the axial direction of the roller (3).

5. The aluminum ash conveyor belt ash removal device according to claim 1, characterized in that, Both ends of the roller (3) are rotatably connected to a pre-tensioning device (6) for keeping the conveyor belt (1) and the roller (3) in constant contact; the roller (3) is connected to the frame (5) through the pre-tensioning device (6); the pre-tensioning device (6) includes a support rod (61), a spring (62) and a connecting seat (63), the support rod (61) is rotatably connected to the end of the roller (3), the connecting seat (63) is connected to the frame (5), the lower part of the support rod (61) is fitted inside the connecting seat (63) and can slide inside the connecting seat (63), and the spring (62) is disposed between the support rod (61) and the connecting seat (63).

6. The aluminum ash conveyor belt ash removal device according to claim 5, characterized in that, The lower end of the connecting seat (63) is fixed with a threaded rod (66), and the threaded rod (66) is externally threaded with a fixed seat (64). The fixed seat (64) is fixed on the frame (5), and an adjusting handwheel (65) is fixedly connected to the bottom of the threaded rod (66).

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