Low-noise cyclone dust collector fan

By designing a low-noise cyclone dust collector fan, the combination of turbofan and screw conveyor pads is used to achieve rapid separation and emission of dust, and noise reduction is reduced through multiple layers of sound absorption, sound barrier and sound insulation materials, solving the problems of poor noise reduction and inconvenient cleaning in the existing technology, and improving dust removal efficiency and noise reduction effect.

CN222789484UActive Publication Date: 2025-04-25黎明重工股份有限公司
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Patent Information

Application Number
CN202421459587.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-04-25
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

In the prior art, the dust collector slows down the flow rate of dust-containing air flow through flow diversion to reduce noise. The noise reduction effect is not obvious, affects the dust removal work efficiency and is not convenient to regularly clear the dust.

Method used

A low-noise cyclone dust collector fan is designed, including the body, base and noise reduction cover. Dust-containing gas is extracted through the intake pipe, and cyclone movement is used to separate dust, and dust is quickly discharged and cleaned through the screw conveying paddle and ash connection box. At the same time, multi-layer sound absorption, sound barrier and sound insulation materials are used to reduce noise.

Benefits of technology

It achieves more significant noise reduction, improves dust removal efficiency, and facilitates regular dust cleaning, solving the problems of poor noise reduction and inconvenient cleaning in the prior art.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222789484U_ABST
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Abstract

The utility model provides a low noise type cyclone dust collector fan relates to dust collector fan technical field, including machine body, base and noise reduction cover, said machine body inner upper part is sleeved with the inner cylinder body, and the left upper part of machine body is provided with air inlet pipe, the upper end of machine body is provided with top cover, and the right upper part of top cover is provided with air outlet pipe, the noise reduction cover is provided with air inlet pipe. A noise reduction cover covers the machine body, a lower ash hopper is arranged at the lower end of the machine body, a base is arranged below the machine body, a motor is installed in the upper portion of the base, upper fixing plates are arranged on the left side and the right side of the lower portion of the machine body, and sound insulation plates are fixed to the lower end faces of the upper fixing plates and located on the outer side of the lower ash hopper. An ash outlet is formed in the lower end of the ash discharging hopper. According to the utility model, more comprehensive multiple sound-absorbing, sound-blocking, sound-insulating and noise-reducing treatments can be conveniently carried out on the machine body, the dust removal working efficiency is not influenced, dust can be conveniently and smoothly discharged, particulate matters such as dust can be easily and regularly cleaned, and the machine is more convenient and practical.
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Description

Technical Field

[0001] The utility model relates to the technical field of dust collector fans, in particular to a low-noise cyclone dust collector fan. Background Art

[0002] At present, the main dust removal methods for industrial exhaust gas in my country are: cyclone dust collector, Venturi water film dust collector, electrostatic dust collector and bag dust collector, etc. The cyclone dust collector uses the principle of cyclone to separate garbage and dust from high-speed airflow, collect them, and discharge the air to the outside.

[0003] In the specification of a noise-reducing cyclone dust collector in the prior art (Announcement No. CN204503369U), it is mentioned that "the dust removal main body comprises: a shell, a cylinder and a cyclone separator. The cylinder is suspended inside the shell and is connected to the shell through a bracket. The cyclone separator is arranged in the shell and is connected to the dust storage box. The side wall of the shell is provided with a plurality of baffles, and the angle between the baffles and the lower end of the side wall is 45°-65°. The shell is provided with a first air outlet, and the cylinder is provided with a second air outlet, and the first air outlet is connected to the second air outlet". However, the dust collector in the prior art reduces noise by slowing down the flow rate of the dust-laden airflow through diversion. Not only is the noise reduction effect not obvious, but it also affects the dust removal efficiency. It is also inconvenient to regularly empty the dust, which is not convenient and practical. Utility Model Content

[0004] In order to overcome the defects of the prior art, a low-noise cyclone dust collector fan is now provided to solve the problem that the dust collector in the prior art reduces noise by slowing down the flow rate of the dust-laden airflow through diversion, which not only has an unobvious noise reduction effect, but also affects the efficiency of the dust removal work, is inconvenient to regularly empty the dust, and is not convenient and practical.

[0005] To achieve the above-mentioned purpose, a low-noise cyclone dust collector fan is provided, including a body, a base and a noise reduction cover, an inner cylinder is sleeved on the upper inner part of the body, and an air inlet pipe is arranged on the upper left part of the body, a top cover is arranged on the upper end of the body, and an air outlet pipe is arranged on the upper right part of the top cover, the outer cover of the body is provided with a noise reduction cover, and a lower ash hopper is arranged at the lower end of the body, a base is arranged below the body, and a motor is installed in the upper part of the base.

[0006] Furthermore, upper fixing plates are provided on both left and right sides of the lower part of the machine body, and a sound insulation board is fixed to the lower end surface of the upper fixing plate, the sound insulation board is located on the outer side of the lower ash hopper, and an ash outlet is provided at the lower end of the lower ash hopper.

[0007] Furthermore, a turbofan is installed in the top cover, and upper support rods are fixed at the four corners of the lower end of the turbofan, and the inner cylinder and the top cover are connected.

[0008] Furthermore, grooves are provided on both the left and right parts of the base, and multiple groups of balls are arranged at the inner bottom of the grooves, and an ash receiving box is arranged in the grooves, and the lower end surface of the ash receiving box is arranged to contact the rolling surface of the balls.

[0009] Furthermore, side support rods are fixed to both left and right ends of the base, and a transverse connecting plate is fixed to the middle of the inner side surface of the side support rod, and the other end of the transverse connecting plate is fixed to the lower side of the sound insulation board.

[0010] Furthermore, a rotating shaft is installed at the upper end of the motor, a screw conveying paddle is arranged on the upper part of the rotating shaft, and the screw conveying paddle is located in the lower ash hopper.

[0011] Furthermore, a sound insulation layer is provided on the inner side of the noise reduction cover, the sound insulation layer is made of rock wool board material, and a blocking cavity is provided on the outer side of the sound insulation layer, a plurality of groups of corrugated sound-proof boards are provided in the blocking cavity, and external sound-absorbing cotton is provided on the outer side of the blocking cavity, gaps are provided in the external sound-absorbing cotton, and the external sound-absorbing cotton is made of high-density sponge material.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model draws dust-containing gas into the machine body through the air inlet pipe, and under the action of the upward air flow drawn by the turbofan, a cyclone motion is performed, driving the lighter gas to rotate upward into the inner cylinder, and discharged outward through the top cover and the air outlet pipe, while the heavier dust and other particles will fall into the lower ash hopper for separate discharge, making cyclone dust removal faster and more convenient.

[0014] 2. In the utility model, the motor rotates the shaft, which will drive the spiral conveying paddle to rotate and drive the dust in the lower ash hopper to be discharged downward, and the ash discharge is smooth and unblocked; ash receiving boxes are placed in the grooves on the left and right sides of the base, which are convenient for direct ash collection and can also be flexibly pulled out backwards, making it faster and more convenient to empty dust and other particulate matter.

[0015] 3. The noise reduction cover of the utility model is provided with a sound insulation layer, a corrugated sound-proof board and an external sound-absorbing cotton from the inside to the outside in sequence, which plays the role of sound insulation, sound resistance and sound absorption, and helps to reduce the noise of the machine body. In addition, the sound insulation boards arranged on the left and right sides of the lower ash hopper are also for sound insulation treatment, and the noise reduction is more comprehensive and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the base structure of an embodiment of the utility model.

[0020] In the figure: 1. machine body; 10. inner cylinder; 11. top cover; 12. turbo fan; 13. exhaust pipe; 14. intake pipe; 15. lower ash hopper; 16. sound insulation board; 17. upper fixing plate; 18. ash outlet; 19. upper support rod; 2. base; 20. side support rod; 21. horizontal connecting plate; 22. groove; 23. ash receiving box; 24. ball bearing; 25. motor; 26. rotating shaft; 27. screw conveyor paddle; 3. noise reduction cover; 30. external sound-absorbing cotton; 31. gap; 32. barrier cavity; 33. corrugated sound-proof board; 34. sound insulation layer. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present disclosure.

[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0023] Figure 1 It is a front view schematic diagram of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 The schematic diagram of the internal structure of the embodiment of the utility model and Figure 4 It is a schematic diagram of the base structure of an embodiment of the utility model.

[0024] Reference Figures 1 to 4 As shown, the utility model provides a low-noise cyclone dust collector fan, including a body 1, a base 2 and a noise reduction cover 3, an inner cylinder 10 is sleeved on the upper inner part of the body 1, and an air inlet pipe 14 is arranged on the upper left part of the body 1, a top cover 11 is arranged on the upper end of the body 1, and an air outlet pipe 13 is arranged on the upper right part of the top cover 11, the outer cover of the body 1 is provided with a noise reduction cover 3, and a lower ash hopper 15 is arranged on the lower end of the body 1, a base 2 is arranged below the body 1, and a motor 25 is installed in the upper part of the base 2.

[0025] In this embodiment, upper fixing plates 17 are provided on both left and right sides of the lower part of the body 1, and a sound insulation plate 16 is fixed to the lower end surface of the upper fixing plate 17, and the sound insulation plate 16 is located on the outer side of the lower ash hopper 15; a turbofan 12 is installed in the top cover 11, and upper support rods 19 are fixed at the four corners of the lower end of the turbofan 12, and the inner cylinder 10 and the top cover 11 are connected.

[0026] As a preferred embodiment, the utility model draws dust-containing gas into the body 1 through the air inlet pipe 14, and under the action of the upward air flow drawn by the turbofan 12, a cyclone motion is performed, driving the lighter gas to rotate upward into the inner cylinder 10, and discharged to the outside through the top cover 11 and the air outlet pipe 13, while heavier dust and other particles will fall into the lower ash hopper 15 for separate discharge, making cyclone dust removal faster and more convenient.

[0027] In this embodiment, grooves 22 are provided on the left and right parts of the base 2, and a plurality of groups of balls 24 are arranged at the inner bottom of the groove 22, and an ash receiving box 23 is arranged in the groove 22, and the lower end surface of the ash receiving box 23 is arranged just in contact with the rolling surface of the ball 24; side support rods 20 are fixed to the left and right ends of the base 2, and a horizontal connecting plate 21 is fixed to the middle part of the inner side surface of the side support rod 20, and the other end of the horizontal connecting plate 21 is fixed to the lower side of the sound insulation board 16; a rotating shaft 26 is installed at the upper end of the motor 25, and a screw conveying paddle 27 is arranged on the upper part of the rotating shaft 26, and the screw conveying paddle 27 is located in the lower ash hopper 15.

[0028] As a preferred embodiment, the motor 25 in the utility model rotates the rotating shaft 26, which will drive the spiral conveying paddle 27 to rotate and drive the dust in the lower ash hopper 15 to be discharged downward, and the ash discharge is smooth and unblocked; the grooves 22 opened on the left and right sides of the base 2 are provided with ash receiving boxes 23, which are convenient for direct ash collection and can also be flexibly pulled out backwards, making it faster and more convenient to empty dust and other particulate matter.

[0029] In this embodiment, a sound insulation layer 34 is provided on the inner side of the noise reduction cover 3, and the sound insulation layer 34 is made of rock wool board material, and a blocking cavity 32 is provided on the outer side of the sound insulation layer 34, and a plurality of groups of corrugated sound-proof plates 33 are provided in the blocking cavity 32, and an external sound-absorbing cotton 30 is provided on the outer side of the blocking cavity 32, and a gap 31 is provided in the external sound-absorbing cotton 30, and the external sound-absorbing cotton 30 is made of high-density sponge material.

[0030] As a preferred embodiment, the noise reduction cover 3 in the utility model is provided with a sound insulation layer 34, a corrugated sound-proof board 33 and an external sound-absorbing cotton 30 from the inside to the outside, which plays the role of sound insulation, sound resistance and sound absorption, and helps to reduce the noise of the machine body 1. The sound insulation board 16 arranged on the left and right sides of the lower ash hopper 15 is also for sound insulation treatment, and the noise reduction is more comprehensive and convenient.

[0031] The utility model can effectively solve the problem that the dust collector in the prior art reduces noise by slowing down the flow rate of the dust-laden airflow by diverting the flow, which not only has an insignificant noise reduction effect, but also affects the dust removal efficiency, is inconvenient to regularly empty the dust, and is not convenient and practical. The utility model facilitates more comprehensive multiple sound absorption, sound blocking and sound insulation and noise reduction treatments on the machine body, does not affect the dust removal efficiency, and is convenient and smooth to discharge dust, and can easily and regularly clean dust and other particulate matter, which is more convenient and practical.

[0032] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A low noise cyclone dust collector fan, characterized in that: The invention comprises a machine body (1), a base (2) and a noise reduction cover (3); an inner cylinder (10) is sleeved on the upper inner part of the machine body (1), and an air inlet pipe (14) is arranged on the upper left part of the machine body (1); a top cover (11) is arranged on the upper end of the machine body (1), and an air outlet pipe (13) is arranged on the upper right part of the top cover (11); a noise reduction cover (3) is arranged on the outer outer part of the machine body (1), and a lower ash hopper (15) is arranged on the lower end of the machine body (1); a base (2) is arranged below the machine body (1), and a motor (25) is installed in the upper part of the base (2).

2. A low noise cyclone dust collector fan according to claim 1, characterized in that: Upper fixing plates (17) are provided on both left and right sides of the lower part of the machine body (1), and a sound insulation plate (16) is fixed to the lower end surface of the upper fixing plate (17). The sound insulation plate (16) is located on the outer side of the lower ash hopper (15), and an ash outlet (18) is provided at the lower end of the lower ash hopper (15).

3. A low noise cyclone dust collector fan according to claim 1, characterized in that: A turbofan (12) is installed in the top cover (11), and upper support rods (19) are fixed at four corners of the lower end of the turbofan (12), and the inner cylinder (10) and the top cover (11) are connected.

4. A low noise cyclone dust collector fan according to claim 1, characterized in that: The left and right parts of the base (2) are both provided with grooves (22), and the inner bottom of the groove (22) is provided with a plurality of groups of balls (24), and an ash receiving box (23) is provided in the groove (22), and the lower end surface of the ash receiving box (23) is arranged to be in contact with the rolling surface of the balls (24).

5. A low noise cyclone dust collector fan according to claim 1, characterized in that: Side support rods (20) are fixed to both left and right ends of the base (2), and a transverse connecting plate (21) is fixed to the middle of the inner side surface of the side support rod (20), and the other end of the transverse connecting plate (21) is fixed to the lower side of the sound insulation board (16).

6. A low noise cyclone dust collector fan according to claim 1, characterized in that: A rotating shaft (26) is mounted on the upper end of the motor (25), a screw conveying paddle (27) is arranged on the upper part of the rotating shaft (26), and the screw conveying paddle (27) is located in the lower ash hopper (15).

7. A low noise cyclone dust collector fan according to claim 1, characterized in that: A sound insulation layer (34) is arranged on the inner side of the noise reduction cover (3), the sound insulation layer (34) is made of a rock wool board material, and a blocking cavity (32) is arranged on the outer side of the sound insulation layer (34), a plurality of groups of corrugated sound insulation boards (33) are arranged in the blocking cavity (32), and an external sound absorbing cotton (30) is arranged on the outer side of the blocking cavity (32), a gap (31) is arranged in the external sound absorbing cotton (30), and the external sound absorbing cotton (30) is made of a high-density sponge material.

Citation Information

Patent Citations

  • Noise-reduction cyclone dust collector

    CN204503369U