Low-noise composite gas filter

Abstract

The utility model discloses a low noise composite gas filter relates to gas filter technical field, the inside of filter main part is provided with first filter screen and second filter screen from left to right, and the inside of filter main part is provided with second slowing down disk between first filter screen and second filter screen, and second slowing down disk is provided with second slowing down disk between first filter screen and second filter screen. A first speed reduction disc is arranged at the position, on one side of the first filter screen, in the filter body, and a sound insulation mechanism is arranged outside the filter body and comprises a first sound insulation cover and a second sound insulation cover which are arranged outside the filter body from top to bottom; a sound insulation pad is arranged at the joint of the first sound insulation cover and the second sound insulation cover, a positioning block is arranged on the lower surface of the first sound insulation cover, and a positioning groove is formed in the upper surface of the second sound insulation cover. The sound insulation mechanism is arranged outside the filter main body, and the purposes of sound insulation and noise reduction can be achieved for the filter main body through the first sound insulation cover and the second sound insulation cover in the sound insulation mechanism.

Description

Technical Field

[0001] This utility model relates to the field of gas filter technology, and in particular to a low-noise composite gas filter. Background Technology

[0002] A gas filter is a device used to remove harmful substances, impurities, or pollutants from gases. It is widely used in air purification, industrial emission control, and environmental protection. Gas filters use different filtration media and technical principles to filter out particulate matter, microorganisms, toxic gases, or chemical substances from gases, thereby achieving the purpose of purifying the gases.

[0003] However, existing gas filters generate noise during air filtration, which can affect the surrounding environment. Therefore, those skilled in the art have provided a low-noise composite gas filter to solve the problems mentioned in the background section. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a low-noise composite gas filter, which solves the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a low-noise composite gas filter, comprising: a filter body and an outlet pipe and an inlet pipe respectively disposed on both sides of the filter body from left to right; a first filter screen and a second filter screen are respectively disposed inside the filter body from left to right, and a second speed-reducing disc is disposed inside the filter body between the first filter screen and the second filter screen; a first speed-reducing disc is disposed inside the filter body on one side of the first filter screen; a sound insulation mechanism is disposed outside the filter body, the sound insulation mechanism comprising a first sound insulation cover and a second sound insulation cover disposed from top to bottom outside the filter body; a sound insulation pad is disposed at the connection between the first sound insulation cover and the second sound insulation cover; a positioning block is disposed on the lower surface of the first sound insulation cover; and a positioning groove is formed on the upper surface of the second sound insulation cover.

[0006] As a further technical solution of this utility model, both the first soundproof cover and the second soundproof cover are semi-circular, and the interior of both the first soundproof cover and the second soundproof cover is filled with soundproof cotton.

[0007] As a further technical solution of this utility model, the lower surface of the positioning block is embedded in the interior of the positioning groove, the lower surface of the first soundproof cover is in contact with the upper surface of the soundproof pad, and the upper surface of the second soundproof cover is in contact with the lower surface of the soundproof pad.

[0008] As a further technical solution of this utility model, bolts are symmetrically arranged on the outside of the second soundproof cover, and mounting holes are opened on the outside of the positioning block. The end of the bolt is embedded in the mounting hole and threadedly connected to the mounting hole.

[0009] As a further technical solution of this utility model, the air inlet pipe is configured with a flared opening, and the radius of the air outlet pipe is smaller than the radius of the air inlet pipe.

[0010] As a further technical solution of this utility model, both the upper half of the first speed reduction disc and the lower half of the second speed reduction disc are provided with speed reduction holes.

[0011] This invention provides a low-noise composite gas filter, which has the following advantages compared with the prior art:

[0012] Beneficial effects:

[0013] 1. This design provides a low-noise composite gas filter. The first and second filter screens inside the filter body can perform dual filtration of the incoming gas, and the first and second speed-reducing discs can control the gas flow rate, thereby enabling better filtration of the gas. It has good practicality.

[0014] 2. This design provides a low-noise composite gas filter. By setting a sound insulation mechanism on the outside of the filter body, the first and second sound insulation covers in the sound insulation mechanism can achieve the purpose of sound insulation and noise reduction for the filter body. At the same time, the first and second sound insulation covers can be spliced ​​by embedding the positioning blocks into the positioning grooves. The structure is simple and practical. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a low-noise composite gas filter;

[0016] Figure 2 This is a schematic diagram of the internal structure of the filter body in a low-noise composite gas filter.

[0017] Figure 3 This is a schematic diagram of the structure of the first soundproof cover in a low-noise composite gas filter;

[0018] Figure 4 for Figure 3 Enlarged view of part A in the middle.

[0019] In the diagram: 1. Filter body; 11. Air outlet pipe; 12. Air inlet pipe; 2. Sound insulation mechanism; 21. First sound insulation cover; 211. Positioning block; 22. Second sound insulation cover; 221. Positioning groove; 23. Bolt; 24. Sound insulation pad; 3. First filter screen; 4. Second filter screen; 5. First speed reduction disc; 6. Second speed reduction disc; 7. Speed ​​reduction hole. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0021] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0022] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] Please see Figure 1-4This utility model provides a low-noise composite gas filter technical solution, including: a filter body 1 and an outlet pipe 11 and an inlet pipe 12 respectively arranged on both sides of the filter body 1 from left to right. The filter body 1 has a first filter screen 3 and a second filter screen 4 arranged from left to right inside, and a second speed-reducing disc 6 arranged between the first filter screen 3 and the second filter screen 4 inside the filter body 1. The filter body 1 also has a first speed-reducing disc 5 arranged on one side of the first filter screen 3 inside. The filter body 1 has a sound insulation mechanism 2 outside, which includes a first sound insulation cover 21 and a second sound insulation cover 22 arranged from top to bottom outside the filter body 1. A sound insulation pad 24 is arranged at the connection between the first sound insulation cover 21 and the second sound insulation cover 22. The lower surface of the first sound insulation cover 21 is provided with a positioning block 211, and the upper surface of the second sound insulation cover 22 is provided with a positioning groove 221. This arrangement uses the first sound insulation cover 21 and the second sound insulation cover 22 in the sound insulation mechanism 2 to reduce noise in the filter body 1, thus avoiding the noise generated by the filter body 1 from filtering and affecting the surrounding environment.

[0026] like Figure 3 As shown, both the first soundproof cover 21 and the second soundproof cover 22 are semi-circular, and the interiors of both the first soundproof cover 21 and the second soundproof cover 22 are filled with sound-absorbing cotton. This arrangement can improve the sound insulation and noise reduction effect of the filter body 1 by utilizing the sound-absorbing cotton filled inside the first soundproof cover 21 and the second soundproof cover 22.

[0027] like Figure 3 and Figure 4 As shown, the lower surface of the positioning block 211 is embedded in the interior of the positioning groove 221. The lower surface of the first soundproof cover 21 contacts the upper surface of the soundproof pad 24, and the upper surface of the second soundproof cover 22 contacts the lower surface of the soundproof pad 24. Bolts 23 are symmetrically arranged on the outside of the second soundproof cover 22. The positioning block 211 has mounting holes on its outside. The end of the bolt 23 is embedded in the mounting hole and threadedly connected to the mounting hole. This arrangement achieves the positioning connection between the first soundproof cover 21 and the second soundproof cover 22 by embedding the positioning block 211 into the positioning groove 221 and threading the bolt 23 to the mounting hole. At the same time, the soundproof pad 24 can improve the sound insulation effect at the connection point, which is practical.

[0028] like Figure 2 As shown, the air inlet pipe 12 is designed with a flared opening, and the radius of the air outlet pipe 11 is smaller than that of the air inlet pipe 12. The upper half of the first speed reduction plate 5 and the lower half of the second speed reduction plate 6 are both provided with speed reduction holes 7. This design allows external air to enter the interior of the filter body 1 through the air inlet pipe 12 and to be discharged through the air outlet pipe 11. Since the radius of the air outlet pipe 11 is smaller than that of the air inlet pipe 12, the air outlet speed is slower. At the same time, the speed reduction holes 7 can reduce the flow rate, thus allowing the air to be filtered better and making it more practical.

[0029] The working principle of this utility model is as follows: When using the low-noise composite gas filter of this utility model, firstly, a sound insulation mechanism 2 is installed on the outside of the filter body 1. During installation, the positioning block 211 on the lower surface of the first sound insulation cover 21 can be embedded into the positioning groove 221 opened on the upper surface of the second sound insulation cover 22. In this way, the first sound insulation cover 21 can be installed on the outside of the second sound insulation cover 22. It can be fixed by connecting it with the mounting hole by bolts 23. A sound insulation pad 2 is provided at the connection between the first sound insulation cover 21 and the second sound insulation cover 22. 4 can improve the sound insulation effect at its connection, thus avoiding the noise generated by the filter body 1 from affecting the surroundings. In addition, the first filter screen 3 and the second filter screen 4 inside the filter body 1 can perform double filtration of the incoming gas, and the first speed reduction plate 5 and the second speed reduction plate 6 can reduce the flow rate of the gas, thereby enabling the gas to be filtered better. The air can be discharged through the air outlet pipe 11. Since the radius of the air outlet pipe 11 is smaller than the radius of the air inlet pipe 12, the speed of the air outlet is slower, which makes the filtration better and has good practicality.

[0030] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model are implemented according to conventional methods in the art, unless otherwise specified or limited.

Claims

1. A low-noise composite gas filter, characterized in that, include: The filter body (1) includes an air outlet pipe (11) and an air inlet pipe (12) arranged from left to right on both sides of the filter body (1). Inside the filter body (1), a first filter screen (3) and a second filter screen (4) are arranged from left to right. A second speed reduction disc (6) is arranged between the first filter screen (3) and the second filter screen (4) inside the filter body (1). A first speed reduction disc (5) is arranged on one side of the first filter screen (3) inside the filter body (1). A sound insulation mechanism (2) is arranged outside the filter body (1). The sound insulation mechanism (2) includes a first sound insulation cover (21) and a second sound insulation cover (22) arranged from top to bottom outside the filter body (1). A sound insulation pad (24) is arranged at the connection between the first sound insulation cover (21) and the second sound insulation cover (22). A positioning block (211) is arranged on the lower surface of the first sound insulation cover (21), and a positioning groove (221) is opened on the upper surface of the second sound insulation cover (22).

2. The low-noise composite gas filter according to claim 1, characterized in that, The first soundproof cover (21) and the second soundproof cover (22) are both semi-circular, and the interior of the first soundproof cover (21) and the second soundproof cover (22) are both filled with soundproof cotton.

3. The low-noise composite gas filter according to claim 1, characterized in that, The lower surface of the positioning block (211) is embedded in the interior of the positioning groove (221), the lower surface of the first soundproof cover (21) is in contact with the upper surface of the soundproof pad (24), and the upper surface of the second soundproof cover (22) is in contact with the lower surface of the soundproof pad (24).

4. A low-noise composite gas filter according to claim 1, characterized in that, The second soundproof cover (22) is symmetrically provided with bolts (23) on the outside. The positioning block (211) has an installation hole on the outside. The end of the bolt (23) is embedded in the installation hole and threadedly connected to the installation hole.

5. A low-noise composite gas filter according to claim 1, characterized in that, The air intake pipe (12) is flared, and the radius of the air outlet pipe (11) is smaller than the radius of the air intake pipe (12).

6. A low-noise composite gas filter according to claim 1, characterized in that, The upper half of the first speed reduction disc (5) and the lower half of the second speed reduction disc (6) are both provided with speed reduction holes (7).

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