Return air dust removal device for clean workshop

Abstract

The utility model discloses a clean workshop return air dust removal device which comprises a dust removal box, two filter screens, a first dust removal pipe, a support, a motor, a fan, two second dust removal pipes and a plurality of air blowing pipes, and a collecting assembly is arranged on the dust removal box. Through the arrangement of the fan, the first dust removal pipe, the second dust removal pipe and the air blowing pipe, dust on the surface of the filter screen can be blown away, it is avoided that too much dust is accumulated, normal use of the filter screen is affected, the filtering efficiency of the filter screen is guaranteed, and the service life of the filter screen is prolonged; the air blowing pipe can more comprehensively blow air to remove dust on the filter screen, the fan can regularly clean the filter screen, workers do not need to frequently replace the filter screen, the production cost is reduced, the collecting assembly is arranged to collect blown dust, and later cleaning of the workers is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of clean workshops, in particular to a return air dust removal device for a clean workshop. Background Art

[0002] The design of the production environment of clean workshops in the electronics industry should control impurities that are harmful to product quality according to the requirements of the production process. At the same time, it should also put forward parameter requirements such as temperature, humidity, pressure difference, noise, vibration, electrostatic protection, and illumination. In order to ensure the air cleanliness required by the product production environment or clean rooms for other purposes, a variety of comprehensive technical measures should be taken to meet the requirements. These comprehensive technical measures include: adopting production processes and equipment that produce less pollutants, or taking necessary isolation and negative pressure measures to prevent the pollutants generated by the production process from spreading to the surrounding area, and adopting interior decoration materials and tools that produce less dust and are not easy to breed microorganisms; reducing pollutants brought into the room by personnel and materials; maintaining a certain positive pressure in the production environment relative to the outdoors or adjacent rooms with low air cleanliness requirements to prevent the air outside or in adjacent rooms from carrying pollutants through doors, windows or other gaps and holes to invade people; strengthening the management of clean rooms, and cleaning and sterilizing according to regulations.

[0003] Currently, the electronic industrial clean rooms on the market need to process the indoor air. Return air dust removal devices are generally used. However, when the existing return air dust removal devices purify the air, dust and other impurities will adhere to the filter element, resulting in a significant reduction in the life of the filter, requiring frequent replacement. Utility Model Content

[0004] The utility model aims to provide a clean workshop return air dust removal device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clean workshop return air dust removal device, comprising a dust removal box, two filter screens, a first dust removal pipe, a bracket, a motor, a fan, two second dust removal pipes and a plurality of air blowing pipes, an air inlet pipe is arranged on the left side of the dust removal box, and an air outlet pipe is arranged on the top of the dust removal box, the two filter screens are arranged in the dust removal box, the first dust removal pipe is rotatably connected with the two filter screens and the left and right sides of the dust removal box respectively, the right side of the first dust removal pipe is a closed structure, and the left side of the first dust removal pipe is an open structure, the bracket is arranged on the right side outside the dust removal box, the motor is arranged in the bracket, and the driving end of the motor is connected to the closed surface of the first dust removal pipe, the fan is arranged on the left side outside the dust removal box, and the exhaust port of the fan is connected to the open surface of the first dust removal pipe through a bearing, one end of the two second dust removal pipes is arranged on the first dust removal pipe, and the two second dust removal pipes are each provided with a plurality of air blowing pipes, and a collecting component is arranged on the dust removal box.

[0006] Preferably, the collecting assembly includes a collecting cylinder, a collecting pipe, a valve and a collecting box. The collecting cylinder is arranged at the bottom of the filter box, and the collecting cylinder and the filter box are communicated with each other. One end of the collecting pipe is connected to the bottom of the collecting cylinder, the valve is arranged on the collecting pipe, and the collecting box is connected to the other end of the collecting pipe.

[0007] Preferably, two cleaning brushes are provided on the outer wall of the first dust removal pipe.

[0008] Preferably, the air inlet of the fan is provided with a filter frame, and an adsorption net is provided inside the filter frame.

[0009] Preferably, an infrared sensor is provided at the top of the collection box.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model can blow away the dust on the surface of the filter through the setting of the fan, the first dust removal pipe, the second dust removal pipe and the blowing pipe, so as to avoid excessive dust accumulation and affect the normal use of the filter, ensure its filtering efficiency and extend its service life; the setting of the motor can drive the first dust removal pipe and the second dust removal pipe to rotate, so that the blowing pipe can blow dust on the filter more comprehensively; the fan can clean the filter regularly, without the need for staff to frequently replace the filter, thus reducing production costs; the dust blown off can be collected through the setting of the collecting component, which is convenient for staff to clean up later. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the main structure of the collection box of the utility model;

[0013] Figure 3 This is a schematic diagram of the main structure of the filter frame of the utility model.

[0014] In the figure: 1. dust removal box; 2. air inlet pipe; 3. exhaust pipe; 4. filter screen; 5. first dust removal pipe; 6. bracket; 7. motor; 8. fan; 9. second dust removal pipe; 10. air blowing pipe; 11. collection cylinder; 12. collection pipe; 13. valve; 14. collection box; 15. cleaning brush; 16. filter rack; 17. adsorption net; 18. infrared sensor. DETAILED DESCRIPTION

[0015] 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.

[0016] See also Figure 1-3 The utility model provides a clean workshop return air dust removal device, including a dust removal box 1, two filter screens 4, a first dust removal pipe 5, a bracket 6, a motor 7, a fan 8, two second dust removal pipes 9 and a plurality of air blowing pipes 10. An air inlet pipe 2 is arranged on the left side of the dust removal box 1, and the air inlet pipe 2 is used for the air to enter, and an air outlet pipe is arranged on the top of the dust removal box 1, and the air outlet pipe is used for the discharge of purified air. The two filter screens 4 are arranged in the dust removal box 1, and the first dust removal pipe 5 is rotatably connected with the two filter screens 4 and the left and right sides of the dust removal box 1 respectively. The first dust removal pipe 5 is connected to the filter screen 4 and the dust removal box 1 through a bearing. The right side of the first dust removal pipe 5 is a closed structure, and the left side of the first dust removal pipe 5 is An open structure, with a bracket 6 arranged on the right side outside the dust removal box 1, a motor 7 arranged inside the bracket 6, and a driving end of the motor 7 connected to the closed surface of the first dust removal pipe 5, a fan 8 arranged on the left side outside the dust removal box 1, and an exhaust port of the fan 8 is connected to the open surface of the first dust removal pipe 5 through a bearing, an inner ring of the bearing is interference fit with an outer wall of the first dust removal pipe 5, an outer ring of the bearing is fixedly connected to the exhaust port of the fan 8, one end of two second dust removal pipes 9 is arranged on the first dust removal pipe 5, and a plurality of air blowing pipes 10 are arranged on the two second dust removal pipes 9, the first dust removal pipe 5, the second dust removal pipe 9 and the air blowing pipe 10 are connected, and a collecting component is arranged on the dust removal box 1, and the collecting component is used to collect dust.

[0017] Specifically, the collecting assembly includes a collecting cylinder 11, a collecting pipe 12, a valve 13 and a collecting box 14. The collecting cylinder 11 is arranged at the bottom of the filter box, and the collecting cylinder 11 and the filter box are connected. One end of the collecting pipe 12 is connected to the bottom of the collecting cylinder 11, the valve 13 is arranged on the collecting pipe 12, and the collecting box 14 is connected to the other end of the collecting pipe 12.

[0018] Specifically, two cleaning brushes 15 are arranged on the outer wall of the first dust removal pipe 5 . The cleaning brushes 15 rotate synchronously with the first dust removal pipe 5 . The cleaning brushes 15 are used to clean the surface of the filter screen 4 .

[0019] Specifically, the air inlet of the fan 8 is provided with a filter frame 16, and the filter frame 16 is provided with an adsorption net 17, and the adsorption net 17 is used to filter the external air to ensure the purity of the air.

[0020] Specifically, an infrared sensor 18 is disposed on the top of the collection box 14 , and the infrared sensor 18 is used to detect the height of the dust in the collection box 14 .

[0021] Working principle: when cleaning the filter 4, the valve 13 is in the open state, and the fan 8 will discharge the air filtered by the adsorption net 17 into the first dust removal pipe 5. After passing through the second dust removal pipe 9 and the blowing pipe 10, the air will be blown to the filter 4, thereby blowing off the dust on the filter 4. The setting of the motor 7 can drive the first dust removal pipe 5 and the second dust removal pipe 9 to rotate, so that the blowing pipe 10 can blow and dust the filter 4 more comprehensively. At the same time, the cleaning brush 15 rotates synchronously with the first dust removal pipe 5. The cleaning brush 15 is used to clean the surface of the filter 4. The cleaned and blown dust will enter the collection box 14 through the collecting tube 11 and the collecting pipe 12. The staff only needs to clean the collecting box 14 regularly. During normal use of the filter 4, the valve 13 is closed.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clean room return air dust removal device, characterized in that: The invention comprises a dust removal box (1), two filter screens (4), a first dust removal pipe (5), a bracket (6), a motor (7), a fan (8), two second dust removal pipes (9) and a plurality of air blowing pipes (10), wherein an air inlet pipe (2) is arranged on the left side of the dust removal box (1), and an air outlet pipe is arranged on the top of the dust removal box (1), the two filter screens (4) are arranged in the dust removal box (1), the first dust removal pipe (5) is rotatably connected to the two filter screens (4) and the left and right sides of the dust removal box (1), the right side of the first dust removal pipe (5) is a closed structure, and the first dust removal pipe (5) The left side is an open structure, the bracket (6) is arranged on the right side outside the dust removal box (1), the motor (7) is arranged in the bracket (6), and the driving end of the motor (7) is connected to the closed surface of the first dust removal pipe (5), the fan (8) is arranged on the left side outside the dust removal box (1), and the exhaust port of the fan (8) is connected to the open surface of the first dust removal pipe (5) through a bearing, one end of the two second dust removal pipes (9) are arranged on the first dust removal pipe (5), and the two second dust removal pipes (9) are each provided with a plurality of blowing pipes (10), and the dust removal box (1) is provided with a collecting assembly.

2. A clean room return air dust removal device according to claim 1, characterized in that: The collecting assembly comprises a collecting cylinder (11), a collecting pipe (12), a valve (13) and a collecting box (14); the collecting cylinder (11) is arranged at the bottom of the filter box, and the collecting cylinder (11) and the filter box are connected; one end of the collecting pipe (12) is connected to the bottom of the collecting cylinder (11); the valve (13) is arranged on the collecting pipe (12); and the collecting box (14) is connected to the other end of the collecting pipe (12).

3. A clean room return air dust removal device according to claim 1, characterized in that: Two cleaning brushes (15) are arranged on the outer wall of the first dust removal pipe (5).

4. A clean room return air dust removal device according to claim 1, characterized in that: The air inlet of the fan (8) is provided with a filter frame (16), and an adsorption net (17) is provided inside the filter frame (16).

5. A clean room return air dust removal device according to claim 2, characterized in that: An infrared sensor (18) is arranged at the top of the collection box (14).

Images