Air filtering device of air suspension conveyor

Abstract

The utility model discloses an air filtering device of an air-suspending conveyor, which comprises an air-suspending machine body, a fan mounted on the air-suspending machine body, a filtering box mounted on the air-suspending machine body, and a self-cleaning vibration filtering component mounted in the filtering box. The self-cleaning type vibration filtering assembly is in transmission connection with the driving assembly, the driving assembly drives the self-cleaning type vibration filtering assembly to periodically vibrate up and down, and the self-cleaning type vibration filtering assembly is connected with an air return pipe of the fan; the self-cleaning type vibration filter assembly has the advantages that the self-cleaning type vibration filter assembly is designed on the air suspension conveyor, the self-cleaning type vibration filter assembly can periodically vibrate up and down, so that dust particles on the filter cylinder are vibrated off in time, the filter cylinder is prevented from being blocked, the service life of the filter cylinder is prolonged, the working efficiency is improved, and the service life of the air suspension conveyor is prolonged. The device is worthy of wide-range popularization and application.

Description

Technical field:

[0001] The utility model relates to the technical field of air suspension conveyors, in particular to an air filtering device of an air suspension conveyor. Background technology:

[0002] Air suspension belt conveyor is a new type of conveying equipment. At the beginning of the 21st century, air suspension conveyor entered China's grain storage and transportation system. After more than ten years of use, the excellent characteristics of air suspension conveyor have been fully demonstrated. Now it has been widely used in mining, coal, metallurgy, building materials, grain, chemical industry, port and other industries. It uses air film to support the conveyor belt and is used to convey density of 0.5~2.5t / m 3 For loose materials such as blocks, granules, and powders, the air suspension belt conveyor replaces the rollers of the loaded branch of the general belt conveyor with an air chamber. The pressurized air is sent into the air chamber by a fan, and the air escapes through the air holes in the air chamber disc groove, forming a very thin air film between the carrier belt and the disc groove to hold up the carrier belt and the material. It has the characteristics of safety, environmental protection, high efficiency, not easy to deviate, and a long conveyor belt life. In order to prevent dust pollution, an air filter is usually installed on the air suspension belt conveyor to remove dust particles. In actual use, the air filter is prone to blockage, the filter cartridge has a short service life, and the filter cartridge needs to be replaced frequently, which is time-consuming and labor-intensive, affecting work efficiency. Utility model content:

[0003] The utility model aims to provide an air filter device for an air suspension conveyor to solve the technical problem in the prior art that the air filter device for an air suspension conveyor is easily clogged, resulting in a short service life of the filter cartridge and the need for frequent replacement.

[0004] The content of the utility model: An air filtering device for an air suspension conveyor, which includes an air suspension body, a fan is installed on the air suspension body, a filter box is installed on the air suspension body, a self-cleaning vibration filter component is installed in the filter box, the self-cleaning vibration filter component is transmission-connected to a drive component, the drive component drives the self-cleaning vibration filter component to vibrate periodically up and down, and the self-cleaning vibration filter component is connected to the return air duct of the fan.

[0005] Furthermore, the self-cleaning vibrating filter assembly includes a filter cartridge with an opening at the top, a sliding hole is opened on the filter box, the filter cartridge is slidably connected to the sliding hole, the top end of the filter cartridge extends into the return air cylinder, the return air cylinder is connected to the return air duct, a retaining edge is connected to the outer edge of the top end of the filter cartridge, a compression spring is mounted on the filter cartridge, and the compression spring is located below the retaining edge.

[0006] Furthermore, the driving assembly includes a transmission shaft, a single-tooth gear is installed on the transmission shaft, the single-tooth gear is meshed with a rack, the rack is installed on the filter cartridge, and the transmission shaft is transmission-connected to the motor.

[0007] Furthermore, a limiting ring is installed in the return air cylinder, a sealing ring is installed at the bottom of the limiting ring, and the limiting ring is used to limit the position of the filter cylinder.

[0008] Furthermore, a sliding block is installed on the filter cartridge, the sliding block is slidably connected to a sliding rail, and the sliding rail is fixedly installed on the inner wall of the filter box.

[0009] Furthermore, an air pipe is arranged above the filter box body, and an air nozzle is installed on the air pipe, and the air jet of the air nozzle is oriented toward the filter cartridge.

[0010] The beneficial effects of the utility model are as follows: the utility model designs a self-cleaning vibrating filter assembly on the air suspension conveyor. The self-cleaning vibrating filter assembly can perform periodic up and down vibrations, thereby timely shaking off the dust particles on the filter cartridge, preventing the filter cartridge from being blocked, and increasing the service life of the filter cartridge, thereby improving work efficiency, and is worthy of wide-scale promotion and use. Description of the drawings:

[0011] Figure 1 This is a schematic diagram of the use state of the utility model;

[0012] Figure 2 It is the front view of the utility model;

[0013] Figure 3 for Figure 2 Section view along AA;

[0014] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of part B;

[0015] In the figure, the air suspension body 1, the fan 2, the return air duct 3, the filter box 4, the filter cartridge 5, the baffle 6, the limit ring 7, the compression spring 8, the return air cartridge 9, the air pipe 10, the air nozzle 11, the rack 12, the single-tooth gear 13, the slider 14, the slide rail 15, the transmission shaft 16, and the sealing ring 17. Specific implementation method:

[0016] Example 1

[0017] like Figure 1 and Figure 3As shown, an air filtering device of an air suspension conveyor includes an air suspension body 1, a fan 2 is installed on the air suspension body 1, a filter box 4 is installed on the air suspension body 1, a self-cleaning vibration filter component is installed in the filter box 4, the self-cleaning vibration filter component is transmission-connected with a driving component, the driving component drives the self-cleaning vibration filter component to vibrate up and down periodically, the self-cleaning vibration filter component is connected to the return air duct 3 of the fan 2, and the up and down vibration of the self-cleaning vibration filter component can timely shake off dust particles to prevent dust particles from accumulating.

[0018] like Figure 3 and Figure 4 As shown, the self-cleaning vibration filter assembly includes a filter cartridge 5 with an opening at the top, a sliding hole is provided on the filter box 4, the filter cartridge 5 is slidably connected with the sliding hole, the top end of the filter cartridge 5 extends into the return air cylinder 9, the return air cylinder 9 is connected to the return air duct 3, a retaining edge 6 is connected to the outer edge of the top end of the filter cartridge 5, a compression spring 8 is mounted on the filter cartridge 5, and the compression spring 8 is located below the retaining edge 6; the driving assembly includes a transmission shaft 16, a single-tooth gear 13 is installed on the transmission shaft 16, the single-tooth gear 13 is meshed with a rack 12, the rack 12 is installed on the filter cartridge 5, and the transmission shaft 16 is connected to the motor in a transmission manner; a limiting ring 7 is installed in the return air cylinder 9, a sealing ring 17 is installed at the bottom of the limiting ring 7, and the limiting ring 7 is used to limit the position of the filter cartridge 5; a slider 14 is installed on the filter cartridge 5, the slider 14 is slidably connected with a slide rail 15, and the slide rail 15 is fixedly installed on the inner wall of the filter box 4.

[0019] When doing specific work, such as Figures 1 to 4 As shown, the airflow generated by the fan 2 provides air suspension power for the air suspension conveyor. This part of the airflow is finally purified by the self-cleaning vibration filter assembly and returned through the return air duct 3. During this process, the motor is started. When the single-tooth gear 13 is meshed with the rack 12, the filter cartridge 5 moves downward. When the single-tooth gear 13 is not meshed with the rack 12, the filter cartridge 5 moves upward. The repeated periodic up and down vibration can timely shake off the dust particles accumulated on the outer wall of the filter cartridge 5, keep the filter cartridge 5 clean, prevent clogging, and increase the service life of the filter cartridge 5.

[0020] Embodiment 2:

[0021] Embodiment 2 adds a pneumatic purge device on the basis of embodiment 1, which can be started in occasions such as annual overhaul and equipment shutdown, and can clean the dust particles accumulated on the outer wall of the filter cartridge 5 more thoroughly online. Figure 2As shown, an air pipe 10 is arranged above the filter box 4 , and an air nozzle 11 is installed on the air pipe 10 , and the air jet of the air nozzle 11 faces the direction of the filter cartridge 5 .

[0022] The above are only preferred examples of the present invention and are not intended to limit the present invention. 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. An air filter device for an air suspension conveyor, comprising an air suspension body (1), a fan (2) being mounted on the air suspension body (1), characterized in that: A filter box (4) is installed on the air suspension body (1), and a self-cleaning vibration filter assembly is installed in the filter box (4). The self-cleaning vibration filter assembly is connected to a driving assembly in a transmission manner. The driving assembly drives the self-cleaning vibration filter assembly to vibrate up and down periodically. The self-cleaning vibration filter assembly is connected to the return air duct (3) of the fan (2).

2. The air filter device of an air suspension conveyor according to claim 1, characterized in that: The self-cleaning vibration filter assembly comprises a filter cartridge (5) with an opening at the top end, a sliding hole is provided on the filter box (4), the filter cartridge (5) is slidably connected to the sliding hole, the top end of the filter cartridge (5) extends into a return air cylinder (9), the return air cylinder (9) is connected to the return air duct (3), a stop edge (6) is connected to the outer edge of the top end of the filter cartridge (5), a compression spring (8) is mounted on the filter cartridge (5), and the compression spring (8) is located below the stop edge (6).

3. The air filter device of an air suspension conveyor according to claim 2, characterized in that: The driving assembly comprises a transmission shaft (16), a single-tooth gear (13) is mounted on the transmission shaft (16), the single-tooth gear (13) is meshed with a rack (12), the rack (12) is mounted on the filter cartridge (5), and the transmission shaft (16) is transmission-connected to the motor.

4. The air filter device of an air suspension conveyor according to claim 2, characterized in that: A limit ring (7) is installed in the return air cylinder (9), and a sealing ring (17) is installed at the bottom of the limit ring (7). The limit ring (7) is used to limit the position of the filter cylinder (5).

5. The air filter device for an air suspension conveyor according to claim 3, characterized in that: A sliding block (14) is installed on the filter cartridge (5), the sliding block (14) is slidably connected to a sliding rail (15), and the sliding rail (15) is fixedly installed on the inner wall of the filter box (4).

6. An air filter device for an air suspension conveyor according to any one of claims 2 to 5, characterized in that: An air pipe (10) is arranged above the filter box (4), and an air nozzle (11) is installed on the air pipe (10), with the air jet of the air nozzle (11) facing the filter cartridge (5).

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