Silencing device for gas emission

Abstract

The utility model provides a gas emission silencer which comprises a sleeve, the bottom of the sleeve is connected with a connecting pipe, a sound absorption assembly is arranged in the connecting pipe, an annular supporting pipe is connected to the center of the bottom of the inner wall of the sleeve, the top end of the annular supporting pipe is connected with a gas outlet pipe, and the gas outlet pipe is connected with a gas inlet pipe. A plurality of air outlet holes are formed in the surface of the air outlet pipe, the multiple silencing assemblies are sequentially arranged on the surface of the air outlet pipe from top to bottom, and the circular sound absorption cotton is arranged in the sleeve and located at the top end of the air outlet pipe. According to the silencing device for gas emission, the gas outlet pipe with the multiple gas outlet holes is arranged in the sleeve, the multiple silencing assemblies, the circular sound absorption cotton and the connecting pipe with the sound absorption assemblies are operated in a matched mode, and noise generated during gas emission can be reduced; therefore, the influence on the rest of surrounding people can be reduced during working at night.

Description

Technical Field

[0001] The utility model relates to the field of gas dispersal, in particular to a gas dispersal silencing device. Background Art

[0002] Gas is a general term for gaseous fuels that burn to release heat for use by residents and industrial enterprises.

[0003] Nowadays, gas is transported through gas pipelines. However, when the gas pipelines are being repaired, the gates on the pipelines need to be closed before operation. After the pipeline maintenance is completed, there will be air stored inside the pipeline, so the air needs to be released. However, the release of air now requires the use of a release pipe for auxiliary operation.

[0004] However, when the vent pipe is in use, the vent pipe is connected to the pipeline to discharge air. However, the existing vent pipe makes noise when transporting gas, and the noise when releasing gas cannot be silenced, which affects the rest of people around when working at night.

[0005] Therefore, it is necessary to provide a gas release silencer to solve the above technical problems. Utility Model Content

[0006] The utility model provides a gas venting silencer, which solves the problem that the existing vent pipe generates noise when transporting gas, and the noise when releasing gas cannot be silenced, which affects the rest of surrounding personnel when working at night.

[0007] In order to solve the above technical problems, the utility model provides a gas emission silencing device, comprising:

[0008] A sleeve, the bottom of which is connected to a connecting pipe, and a sound absorbing component is provided inside the connecting pipe;

[0009] An annular support tube connected to the center of the bottom of the inner wall of the sleeve, the top of the annular support tube is connected to an air outlet pipe, and a surface of the air outlet pipe is provided with a plurality of air outlet holes;

[0010] A plurality of silencer components, wherein the plurality of silencer components are sequentially arranged on the surface of the exhaust pipe from top to bottom;

[0011] The circular sound-absorbing cotton is arranged inside the sleeve and located at the top end of the air outlet pipe.

[0012] Preferably, the sound absorbing assembly includes an annular mounting frame, and sound absorbing cotton is arranged inside the annular mounting frame.

[0013] Preferably, the silencer assembly includes a fixing ring, and a sound-absorbing cover is connected to the surface of the fixing ring.

[0014] Preferably, the top end of the sleeve is connected to a conical air outlet hood.

[0015] Preferably, the bottom end of the connecting pipe is connected to a fixing assembly, and the fixing assembly includes two mounting rings, and the surfaces of the two mounting rings are both provided with fixing parts.

[0016] Preferably, connecting blocks are symmetrically connected to both sides of the two mounting rings, and connecting rods are connected between the multiple connecting blocks.

[0017] Compared with the related art, the utility model provides a gas release silencer with the following features:

[0018] Beneficial effects:

[0019] The utility model provides a silencer for gas release, in which an outlet pipe with multiple outlet holes, multiple silencer components, circular sound-absorbing cotton and a connecting pipe with a sound-absorbing component are arranged inside a sleeve and operate in coordination with each other, and can silence the noise generated when the gas is discharged, thereby reducing the impact on the rest of surrounding personnel when working at night. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic structural diagram of a first embodiment of a gas dispersing silencing device provided by the present utility model;

[0021] Figure 2 for Figure 1 A schematic diagram of the overall three-dimensional structure of the device shown;

[0022] Figure 3 This is a structural schematic diagram of a second embodiment of a gas release silencing device provided by the utility model.

[0023] Numbers in the figure: 1. sleeve, 2. connecting pipe, 3. sound-absorbing assembly, 31. annular mounting bracket, 32. sound-absorbing cotton, 4. annular support pipe, 5. air outlet pipe, 6. air outlet hole, 7. silencer assembly, 71. fixing ring, 72. sound-absorbing cover, 8. circular sound-absorbing cotton, 9. conical air outlet cover, 10. fixing assembly, 101. mounting ring, 102. fixing part, 103. connecting block, 104. connecting rod. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0025] First embodiment

[0026] Please refer to Figure 1 and Figure 2,in, Figure 1 A schematic structural diagram of a first embodiment of a gas dispersing silencing device provided by the present utility model; Figure 2 for Figure 1 A gas emission silencing device, comprising:

[0027] A sleeve 1, the bottom of which is connected to a connecting pipe 2, and a sound absorbing component 3 is provided inside the connecting pipe 2;

[0028] An annular support tube 4 is connected to the center of the bottom of the inner wall of the sleeve 1. The top of the annular support tube 4 is connected to an air outlet pipe 5. The surface of the air outlet pipe 5 is provided with a plurality of air outlet holes 6.

[0029] A plurality of silencer components 7, wherein the plurality of silencer components 7 are sequentially arranged on the surface of the air outlet pipe 5 from top to bottom;

[0030] The circular sound-absorbing cotton 8 is arranged inside the sleeve 1 and located at the top end of the air outlet pipe 5.

[0031] The sound absorbing assembly 3 includes an annular mounting frame 31 , and a sound absorbing cotton 32 is arranged inside the annular mounting frame 31 .

[0032] The annular mounting frame 31 is installed inside the connecting rod 2. The annular mounting frame 31 can be used to install the sound-absorbing cotton 32. Multiple through holes are provided on the surface of the sound-absorbing cotton 32 and the circular sound-absorbing cotton 8. The use of the sound-absorbing cotton 32 and the circular sound-absorbing cotton 8 can eliminate noise multiple times. The fixing ring 71 is sleeved on the surface of the exhaust pipe 5, and the surface of the sound-absorbing cover 72 is also provided with multiple through holes, which facilitates the noise filtering operation when gas and noise pass through.

[0033] The muffler assembly 7 includes a fixing ring 71 , and a sound absorbing cover 72 is connected to the surface of the fixing ring 71 .

[0034] The top end of the sleeve 1 is connected to a conical air outlet hood 9 .

[0035] The connecting pipe 2 can be connected to a gas pipeline.

[0036] The working principle of the gas emission silencing device provided by the utility model is as follows:

[0037] During use, after the gas is transported to the inside of the connecting rod 2, the noise in the gas can be initially eliminated by the sound-absorbing cotton 32 inside the annular mounting frame 31. After the noise in the gas is initially eliminated, the gas is transported to the inside of the air outlet pipe 5 inside the sleeve 1. After the gas is transported to the inside of the air outlet pipe 5, the gas is transported to the inside of the sleeve 1 through the multiple air outlet holes 6 on the surface, and the noise in the gas can be silenced for a second time. After the gas enters the inside of the sleeve 1, the noise in the gas is silenced again by the sound-absorbing cover 72. After the gas passes through the sound-absorbing cover 72, the gas is finally absorbed and discharged by the circular sound-absorbing cotton 8.

[0038] Compared with the related art, the utility model provides a gas release silencer with the following features:

[0039] Beneficial effects:

[0040] The utility model provides a silencing device for gas emission. An outlet pipe 5 with a plurality of outlet holes 6, a plurality of silencer components 7, a circular sound-absorbing cotton 8 and a connecting pipe 2 with a sound-absorbing component 3 are arranged inside a sleeve 1, and they cooperate with each other to silence the noise generated when the gas is discharged, thereby reducing the impact on the rest of the surrounding personnel when working at night.

[0041] Second embodiment

[0042] Please refer to Figure 3 Based on the gas release silencer provided in the first embodiment of this application, the second embodiment of this application provides another gas release silencer. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0043] Specifically, the difference of the gas release silencer provided in the second embodiment of the present application is that, in a gas release silencer, the bottom end of the connecting pipe 2 is connected to a fixing assembly 10, and the fixing assembly 10 includes two mounting rings 101, and the surfaces of the two mounting rings 101 are both provided with fixing parts 102.

[0044] Connecting blocks 103 are symmetrically connected to both sides of the two mounting rings 101 , and connecting rods 104 are connected between the connecting blocks 103 .

[0045] One mounting ring 101 is connected to the surface of the connecting pipe 2 , and the other mounting ring 101 is connected to the gas pipeline.

[0046] The working principle of the gas emission silencing device provided by the utility model is as follows:

[0047] During use, when the connecting pipe 2 is installed on the gas pipeline, it can be fixed to the connecting pipe 2 and the gas pipeline respectively through the two mounting rings 101 .

[0048] Compared with the related art, the utility model provides a gas release silencer with the following features:

[0049] Beneficial effects:

[0050] The utility model provides a gas emission silencing device. A fixing assembly 10 is arranged on the surface of a connecting pipe 2 so that the entire device can be fixed on a gas pipeline for use.

[0051] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A gas emission silencing device, characterized in that: include: A sleeve, the bottom of which is connected to a connecting pipe, and a sound absorbing component is provided inside the connecting pipe; An annular support tube connected to the center of the bottom of the inner wall of the sleeve, the top of the annular support tube is connected to an air outlet pipe, and a surface of the air outlet pipe is provided with a plurality of air outlet holes; A plurality of silencer components, wherein the plurality of silencer components are sequentially arranged on the surface of the exhaust pipe from top to bottom; The circular sound-absorbing cotton is arranged inside the sleeve and located at the top end of the air outlet pipe.

2. The gas emission silencing device according to claim 1, characterized in that: The sound absorbing component comprises an annular mounting frame, and sound absorbing cotton is arranged inside the annular mounting frame.

3. The gas emission silencing device according to claim 1, characterized in that: The muffler assembly comprises a fixing ring, and a sound absorbing cover is connected to the surface of the fixing ring.

4. The gas emission silencing device according to claim 1, characterized in that: The top end of the sleeve is connected with a conical air outlet cover.

5. The gas emission silencing device according to claim 1, characterized in that: The bottom end of the connecting pipe is connected with a fixing assembly, and the fixing assembly includes two mounting rings. The surfaces of the two mounting rings are both provided with fixing pieces.

6. The gas emission silencing device according to claim 5, characterized in that: Connecting blocks are symmetrically connected to both sides of the two mounting rings, and connecting rods are connected between the multiple connecting blocks.

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