Noise reduction structure of multi-dimensional pressure regulator

Abstract

The utility model discloses a noise reduction structure of a multi-dimensional pressure regulator, and relates to the technical field of noise reduction of pressure regulators. The valve comprises a valve body, air inlets and air outlets are formed in the two sides of the valve body and symmetrically distributed in the two sides of the valve body, first connecting flanges are installed on the circumferential sides of the air inlets and the circumferential sides of the air outlets, and an adjusting cavity is formed in the top of the valve body; and a silencing assembly is mounted on the first connecting flange on the outer side of the air inlet. Through the design of the multiple silencing cavities and the unique flow guide pipe, gas makes contact with the silencing structure for multiple times, the noise absorption efficiency is greatly improved, noise generated when the pressure regulator works is effectively reduced, the gas can be rectified when entering and flowing out through the special shape of the gas inlet shell and the arrangement of the rectifying block, it is guaranteed that gas flow is stable, and noise is reduced. Pressure fluctuation and noise caused by unstable airflow are reduced, and the working stability and efficiency of the pressure regulator are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure regulator noise reduction technical field, specifically, relate to a kind of multi-dimension pressure regulator noise reduction structure. BACKGROUND

[0002] In gas supply system, pressure regulator is one of key equipment, it is adjusted gas pressure while, due to fluid dynamics effect, it can generate larger noise.

[0003] The noise emitted by the pressure regulator significantly increases with the surge in gas supply during the winter gas supply peak period, affecting the surrounding environment and residents' life. In addition, high-intensity noise not only poses a serious threat to employees' physical and mental health, but also may cover up potential safety risk factors, further interfering with and damaging the normal operation of pipeline measuring instruments.

[0004] Therefore, we improve it and propose a kind of multi-dimension pressure regulator noise reduction structure. UTILITY MODEL CONTENT

[0005] The utility model aims at: in view of the noise emitted by the pressure regulator significantly increases with the surge in gas supply during the winter gas supply peak period, affecting the surrounding environment and residents' life. In addition, high-intensity noise not only poses a serious threat to employees' physical and mental health, but also may cover up potential safety risk factors, further interfering with and damaging the normal operation of pipeline measuring instruments.

[0006] In order to realize the above-mentioned utility model purpose, the utility model provides the following technical scheme:

[0007] A kind of multi-dimension pressure regulator noise reduction structure is provided to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] It includes valve body, the two sides of the valve body are equipped with air inlet and air outlet, the air inlet and air outlet are symmetrically distributed on the two sides of valve body, the peripheral side of the air inlet and air outlet is equipped with first connecting flange, the top of the valve body is equipped with adjusting cavity, the first connecting flange on the outside of the air inlet is equipped with silencing assembly.

[0010] Through multiple silencing cavities and unique flow guide pipe design, gas contacts the silencing structure multiple times, greatly improves noise absorption efficiency, effectively reduces the noise generated when the pressure regulator works, the special shape of the air inlet shell and the setting of the rectifier block ensure that the gas is rectified when entering and flowing out, ensure smooth airflow, reduce pressure fluctuation and noise generation caused by unstable airflow, improve the working stability and efficiency of the pressure regulator.

[0011] As a preferred implementation form of the multi-dimensional pressure regulator noise reduction structure provided by the utility model, the sound attenuation assembly comprises a sound attenuation cylinder mounted on the outer side of the first connecting flange, an air inlet shell is mounted on the outer side of the sound attenuation cylinder, and a second connecting flange is mounted between the right end of the air inlet shell and the left end of the sound attenuation cylinder.

[0012] As a preferred implementation form of the multi-dimensional pressure regulator noise reduction structure provided by the utility model, the air inlet shell is internally and externally through, and the whole is in a horizontal funnel shape, and the left port diameter of the air inlet shell is smaller than the right port diameter of the air inlet shell.

[0013] As a preferred implementation form of the multi-dimensional pressure regulator noise reduction structure provided by the utility model, the inner wall of the sound attenuation cylinder is sequentially provided with a first fixed plate, a second fixed plate, a third fixed plate and a fourth fixed plate from left to right.

[0014] As a preferred implementation form of the multi-dimensional pressure regulator noise reduction structure provided by the utility model, the sound attenuation cylinder and the first fixed plate and the second fixed plate form a first sound attenuation cavity, and the sound attenuation cylinder and the second fixed plate and the third fixed plate form a second sound attenuation cavity.

[0015] As a preferred implementation form of the multi-dimensional pressure regulator noise reduction structure provided by the utility model, the sound attenuation cylinder and the third fixed plate and the fourth fixed plate form a third sound attenuation cavity, and the inner wall of the sound attenuation cylinder is provided with a rectifier block located on the right side of the fourth fixed plate.

[0016] As a preferred implementation form of the multi-dimensional pressure regulator noise reduction structure provided by the utility model, the side edge of the first fixed plate is provided with a first flow guide pipe communicated with the air inlet shell, the other end of the first flow guide pipe is mounted on the third fixed plate and communicated with the third sound attenuation cavity, the side edge of the second fixed plate is provided with a second flow guide pipe, and the other end of the second flow guide pipe is mounted on the fourth fixed plate and communicated with the sound attenuation cylinder.

[0017] As a preferred implementation form of the multi-dimensional pressure regulator noise reduction structure provided by the utility model, the second fixed plate and the third fixed plate are provided with a third flow guide pipe, a plurality of through holes are formed in the circumferential side of the third flow guide pipe, and the two ends of the third flow guide pipe are communicated with the first sound attenuation cavity and the third sound attenuation cavity respectively.

[0018] Compared with the prior art, the beneficial effects of the utility model are: through multiple sound absorption cavities and a unique flow guide pipe design, the noise absorption efficiency is greatly improved, the noise generated during the working of the pressure regulator is effectively reduced, the special shape of the air inlet shell and the setting of the rectifier block ensure that the gas is rectified when entering and flowing out, guarantee the smooth flow, reduce the pressure fluctuation and noise caused by unstable flow, improve the working stability and efficiency of the pressure regulator. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The overall structure schematic diagram of the multi-dimensional pressure regulator noise reduction structure is provided for the utility model.

[0020] Figure 2 The valve body structure schematic diagram is provided for the utility model.

[0021] Figure 3 The sound absorption assembly side sectional structure schematic diagram is provided for the utility model.

[0022] Figure 4 The sound absorption assembly internal part structure schematic diagram is provided for the utility model.

[0023] Indicated in the figure:

[0024] 1, valve body, 2, air inlet, 3, air outlet, 4, first connecting flange, 5, sound absorption assembly, 501, sound absorption cylinder, 502, air inlet shell, 503, second connecting flange, 504, first fixed plate, 505, second fixed plate, 506, third fixed plate, 507, fourth fixed plate, 508, first sound absorption cavity, 509, second sound absorption cavity, 510, third sound absorption cavity, 511, rectifier block, 512, first flow guide pipe, 513, second flow guide pipe, 514, third flow guide pipe, 515, through hole, 6, adjusting cavity. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in conjunction with the drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments.

[0026] Therefore, the following detailed description of the embodiment of the utility model is not intended to limit the scope of the claimed utility model, but only represents some embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0027] 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.

[0028] 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.

[0029] 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 of this utility model 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.

[0030] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0031] 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.

[0032] 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.

[0033] Example 1

[0034] Please refer to Figures 1-4 A multi-dimensional voltage regulator noise reduction structure includes: a valve body 1, with an air inlet 2 and an air outlet 3 on both sides of the valve body 1, the air inlets 2 and 3 being symmetrically distributed on both sides of the valve body 1, and a first connecting flange 4 installed around the air inlets 2 and 3; an adjustment chamber 6 installed on the top of the valve body 1; and a silencing component 5 installed on the first connecting flange 4 outside the air inlet 2. The silencing component 5 includes a silencing cylinder 501 installed outside the first connecting flange 4, an air inlet housing 502 installed outside the silencing cylinder 501, and a second connecting flange 503 installed between the right end of the air inlet housing 502 and the left end of the silencing cylinder 501. The air inlet housing 502 is internally continuous from left to right, and is generally shaped like a horizontal funnel, with the diameter of the left port of the air inlet housing 502 being smaller than the diameter of the right port of the air inlet housing 502.

[0035] The implementation process: gas from the intake shell 502, because the intake shell 502 is transverse funnel, left port diameter is less than the right port diameter, the gas flow rate increases when entering, and form a preliminary rectification effect.

[0036] The implementation benefits: can effectively reduce the noise generated by the regulator when working, the special shape of the intake shell 502 and the setting of the rectification block 511, so that the gas can be rectified when entering and flowing out.

[0037] Example 2

[0038] The inner wall of the sound attenuation cylinder 501 is sequentially provided with a first fixed plate 504, a second fixed plate 505, a third fixed plate 506 and a fourth fixed plate 507 from left to right. The sound attenuation cylinder 501 and the first fixed plate 504 and the second fixed plate 505 form a first sound attenuation chamber 508, the sound attenuation cylinder 501 and the second fixed plate 505 and the third fixed plate 506 form a second sound attenuation chamber 509, the sound attenuation cylinder 501 and the third fixed plate 506 and the fourth fixed plate 507 form a third sound attenuation chamber 510, and the inner wall of the sound attenuation cylinder 501 is provided with a rectification block 511 located on the right side of the fourth fixed plate 507. The side of the first fixed plate 504 is provided with a first flow guide pipe 512 which is in communication with the intake shell 502, the other end of the first flow guide pipe 512 is provided on the third fixed plate 506 and is in communication with the third sound attenuation chamber 510, the side of the second fixed plate 505 is provided with a second flow guide pipe 513, the other end of the second flow guide pipe 513 is provided on the fourth fixed plate 507 and is in communication with the sound attenuation cylinder 501. The second fixed plate 505 and the third fixed plate 506 are provided with a third flow guide pipe 514, the third flow guide pipe 514 is provided with a plurality of through holes 515 on the side, and the two ends of the third flow guide pipe 514 are in communication with the first sound attenuation chamber 508 and the third sound attenuation chamber 510 respectively.

[0039] The implementation process: after entering the sound attenuation cylinder 501, first pass through the first flow guide pipe 512 into the first sound attenuation chamber 508, the gas flows in the first sound attenuation chamber 508, interacts with the cavity wall and the internal sound absorption material, etc., part of the noise is absorbed. Then, the gas enters the third sound attenuation chamber 510 through the third flow guide pipe 514, the plurality of through holes 515 on the side of the third flow guide pipe 514 makes the gas dispersed into the third sound attenuation chamber 510, further increases the contact area of the gas with the sound attenuation chamber, and strengthens the noise absorption effect. At the same time, another part of the gas enters the second sound attenuation chamber 509 through the second flow guide pipe 513, and also reduces the noise in the chamber, after the noise reduction treatment of multiple sound attenuation chambers, the gas finally passes through the rectification block 511, the rectification block 511 performs the last rectification on the gas, so that the gas flows out smoothly from the gas outlet, reducing the noise caused by turbulent flow.

[0040] Implementation benefits: can effectively reduce the noise generated by the pressure regulator when working, the special shape of the air inlet shell 502 and the setting of the rectifier block 511 make the gas be rectified when entering and flowing out.

[0041] The above embodiments are only used to illustrate the technical solutions described in the utility model and not to limit the utility model. Although the utility model has been described in detail with reference to the above embodiments, the utility model is not limited to the above specific embodiments, and therefore any modification or equivalent replacement of the utility model, and all technical solutions and improvements that do not deviate from the spirit and scope of the utility model are all included in the scope of the claims of the utility model.

Claims

1. A multi-dimension pressure regulator noise reduction structure, characterized in that, Include: Valve body (1), both sides of the valve body (1) are provided with air inlet (2) and air outlet (3), the air inlet (2) and air outlet (3) are symmetrically distributed on both sides of the valve body (1), the air inlet (2) and air outlet (3) are provided with first connecting flange (4) on the side, the top of the valve body (1) is provided with adjusting cavity (6), the first connecting flange (4) outside the air inlet (2) is provided with silencer assembly (5).

2. The multi-dimensional pressure regulator noise reduction structure of claim 1, wherein, The silencer assembly (5) includes a silencer cylinder (501) mounted on the outside of the first connecting flange (4), a gas inlet shell (502) is mounted on the outside of the silencer cylinder (501), and a second connecting flange (503) is mounted between the right end of the gas inlet shell (502) and the left end of the silencer cylinder (501).

3. The multi-dimensional pressure regulator noise reduction structure of claim 2, wherein, The gas inlet shell (502) is through from left to right inside, and the whole is in horizontal funnel shape, the left port diameter of the gas inlet shell (502) is less than the right port diameter of the gas inlet shell (502).

4. The multi-dimensional pressure regulator noise reduction structure of claim 3, wherein, The inner wall of the silencer cylinder (501) is provided with first fixed plate (504), second fixed plate (505), third fixed plate (506) and fourth fixed plate (507) from left to right.

5. The multi-dimensional pressure regulator noise reduction structure of claim 4, wherein, The silencer cylinder (501) and the first fixed plate (504) and the second fixed plate (505) form the first silencer cavity (508), and the silencer cylinder (501) and the second fixed plate (505) and the third fixed plate (506) form the second silencer cavity (509).

6. The multi-dimensional pressure regulator noise reduction structure of claim 5, wherein, The silencer cylinder (501) and the third fixed plate (506) and the fourth fixed plate (507) form the third silencer cavity (510), and the inner wall of the silencer cylinder (501) is provided with a flow regulating block (511) located on the right side of the fourth fixed plate (507).

7. The multi-dimensional pressure regulator noise reduction structure of claim 6, wherein, The side of the first fixed plate (504) is provided with a first flow guide pipe (512) communicated with the gas inlet shell (502), the other end of the first flow guide pipe (512) is installed on the third fixed plate (506) and communicated with the third silencer cavity (510), the side of the second fixed plate (505) is provided with a second flow guide pipe (513), the other end of the second flow guide pipe (513) is installed on the fourth fixed plate (507) and communicated with the silencer cylinder (501).

8. The multi-dimensional pressure regulator noise reduction structure of claim 7, wherein, The second fixed plate (505) and the third fixed plate (506) are provided with a third flow guide pipe (514), a plurality of through holes (515) are formed in the side of the third flow guide pipe (514), and the two ends of the third flow guide pipe (514) are communicated with the first silencer cavity (508) and the third silencer cavity (510) respectively.

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