CN213685791U - Noise elimination device and system used during gas emptying valve diffusion - Google Patents
Noise elimination device and system used during gas emptying valve diffusion Download PDFInfo
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- CN213685791U CN213685791U CN202022603827.5U CN202022603827U CN213685791U CN 213685791 U CN213685791 U CN 213685791U CN 202022603827 U CN202022603827 U CN 202022603827U CN 213685791 U CN213685791 U CN 213685791U
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Abstract
The utility model discloses a muffler device and a system used in the process of diffusing a fuel gas vent valve, which comprises a muffler device body, a movable cart and an air inlet hose, wherein the muffler device body is vertically provided with a cylindrical shell, the bottom of the inner cavity of the shell is provided with a first buffer chamber, the top of the inner cavity of the shell is provided with a second buffer chamber, and the top of the second buffer chamber is provided with an air outlet; the first buffer chamber is communicated with the second buffer chamber through at least two exhaust pipelines; sound absorption materials are filled among the exhaust pipeline, the first buffer chamber and the inner wall of the shell, an inlet air pipe is arranged at the bottom of the shell, the upper end of the inlet air pipe is connected with the first buffer chamber, and the lower end of the inlet air pipe is detachably connected with an air inlet hose; the casing detachably installs on removing the shallow, and the wheel of removing the shallow is provided with brake mechanism. The utility model discloses noise when can effectively reduce gas atmospheric valve and diffuse to it is more convenient to remove, dismantle, transport.
Description
Technical Field
The utility model relates to a natural gas line maintains technical field, especially relates to a noise eliminator and system when being used for gas atmospheric valve to diffuse.
Background
In the course of construction such as the change of course of natural gas, connection, need carry out the gassing operation through gas atmospheric valve, when gas atmospheric valve diffuses, high-pressure draught can form the noise, influences peripheral resident's normal life.
Because of the rapid development of urban construction, natural gas pipelines often need to be constructed and operated such as diversion, connection, and the construction often lies in different places, sometimes in the field of the barren effect, sometimes in the urban area, need to transport the noise eliminator to the gas blow-off valve that this place of connection was connected to different places and carry out the noise elimination operation, in order to improve noise elimination effect and diffuse high-pressure gas fast, the volume of noise eliminator, weight are great, and current noise eliminator removes, dismantles, transports all is convenient inadequately.
Therefore, the prior art has the defects that a silencing device for the gas blow-down valve during the diffusion is lacked, the noise decibel of the gas blow-down valve during the diffusion can be reduced, and the gas blow-down valve is convenient to move, disassemble and transport. The noise when avoiding as far as possible diffusing influences the normal life of surrounding resident.
SUMMERY OF THE UTILITY MODEL
In view of at least one defect of the prior art, the utility model aims at providing a noise eliminator and system for when gas blow-down valve diffuses, noise when can effectively reduce gas blow-down valve diffuses to it is more convenient to remove, dismantle, transport.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the silencing device for the gas emptying valve is characterized by comprising a silencing device body, a movable cart and an air inlet hose, wherein the silencing device body is vertically provided with a cylindrical shell, the bottom of an inner cavity of the shell is provided with a first buffer chamber, the top of the inner cavity of the shell is provided with a second buffer chamber, and the top of the second buffer chamber is provided with an air outlet; the first buffer chamber is communicated with the second buffer chamber through at least two exhaust pipelines; sound absorption materials are filled among the exhaust pipeline, the first buffer chamber and the inner wall of the shell, an inlet air pipe is arranged at the bottom of the shell, the upper end of the inlet air pipe is connected with the first buffer chamber, and the lower end of the inlet air pipe is detachably connected with an air inlet hose; the shell is detachably mounted on the movable trolley, and wheels of the movable trolley are provided with brake mechanisms.
The effect that above-mentioned structure set up does, the hose that admits air is used for connecting the gas atmospheric valve, the gas atmospheric valve is connected with natural gas line, introduce the noise eliminator body with the high-pressure gas in the gas atmospheric valve and outwards get rid of, wherein high-pressure gas gets into exhaust duct through first buffer chamber, wherein the sectional area sum of all exhaust duct pipe diameter cross-sections is greater than the sectional area of the pipe diameter cross-section of the hose that admits air, thereby make high-pressure gas's volume can expand, pressure can reduce, when gas flows through first buffer chamber and exhaust duct, the noise vibration that it produced is absorbed by sound absorbing material, adopt foretell resistive noise elimination technique, the noise that produces when can effectual reduction high-pressure gas diffuses.
Wherein, the silencing device body is vertically arranged and is vertically emptied upwards, so that high-pressure gas can be prevented from blowing to people around.
The lower end of the inlet air pipe is detachably connected with an air inlet hose; the shell is detachably mounted on the movable trolley, and wheels of the movable trolley are provided with brake mechanisms.
The brake mechanism can lock and release the wheel, and when the wheel is locked, the wheel cannot rotate.
Because the silencer is large in size, the silencer body, the movable trolley and the air inlet hose can be detached for transportation during ordinary transportation, the movable trolley is taken out when the silencer reaches the position of the gas vent valve, the silencer body is vertically installed on the movable trolley and pushed to the side of a valve well where the gas vent valve is located, and wheels of the movable trolley are locked through the brake mechanism. And one end of the air inlet hose is connected with the silencer body, the other end of the air inlet hose is connected with the gas emptying valve, the gas emptying valve is opened for emptying, and after the air inlet hose is used, the air inlet hose is disassembled, loaded and transported back.
The number of the exhaust pipelines is 7, wherein 1 exhaust pipeline is positioned at the axis position of the shell, and the other 6 exhaust pipelines are uniformly distributed around the shell; the cross section of the utility model is honeycomb.
By adopting the honeycomb silencing structure, the noise generated when the gas emptying valve is emptied can be effectively reduced.
The air inlet hose and the exhaust pipeline are both made of stainless steel corrugated hoses.
The stainless steel corrugated hose is used for preventing rusting and reducing noise and vibration.
The bottom of the outer wall of the shell is provided with an installation sheet, and the installation sheet is provided with an installation hole.
The housing is removably mounted to the mobile cart by bolts passing through the mounting holes.
The center of the top plate of the movable trolley is provided with a groove matched with the bottom of the shell, the bottom of the shell is embedded into the groove, a screw hole corresponding to the mounting hole is formed in the groove, the mounting hole and the screw hole corresponding to the mounting hole are screwed with a bolt, the shell is detachably mounted on the top plate of the movable trolley through the bolt, a through hole through which an inlet air pipe passes is further formed in the groove, and the through hole penetrates through the top plate of the movable trolley.
Adopt foretell structure to conveniently fix the casing on the roof of removal shallow.
The external diameter 377mm of casing, the internal diameter of air inlet hose, exhaust duct is 50mm, and the height of casing is 1500 mm.
The length of the exhaust pipeline is 1000mm, and the noise decibel can be effectively reduced by adopting the silencer body with the size.
The silencing system comprising the silencing device is characterized in that: comprises a gas emptying valve, wherein an exhaust nozzle of the gas emptying valve is connected with the lower end of an inlet air pipe through an air inlet hose.
The noise elimination system adopts the noise elimination device, so that the noise generated during the emission of the gas emptying valve can be effectively reduced, and the influence of the noise during the emission on the normal life of surrounding residents is avoided as much as possible.
The utility model provides a noise eliminator and system for when gas blow-down valve diffuses, the noise when can effectively reduce gas blow-down valve diffuses to it is more convenient to remove, dismantle, transport.
Drawings
FIG. 1 is a structural diagram of the muffler device of the present invention;
FIG. 2 is a structural diagram of the muffler system of the present invention;
fig. 3 is a structural view of the muffler device body;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a block diagram of the mobile cart;
FIG. 6 is a top view of FIG. 5;
fig. 7 is a schematic view of the installation of the rubber tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, a muffler device for a gas vent valve during diffusing comprises a muffler device body 1, a movable cart 2 and an air inlet hose 3, wherein the muffler device body 1 is vertically provided with a cylindrical shell 11, the bottom of an inner cavity of the shell 11 is provided with a first buffer chamber 12, the top of the inner cavity of the shell 11 is provided with a second buffer chamber 13, and the top of the second buffer chamber 13 is provided with an air outlet 13 a; the first buffer chamber 12 is communicated with the second buffer chamber 13 through at least two exhaust pipelines 14; sound absorption materials 15 are filled among the exhaust pipeline 14, the first buffer chamber 12 and the inner wall of the shell 11, an inlet air pipe 16 is arranged at the bottom of the shell 11, the upper end of the inlet air pipe 16 is connected with the first buffer chamber 12, and the lower end of the inlet air pipe 16 is detachably connected with the air inlet hose 3; the housing 11 is detachably mounted on the mobile cart 2, and wheels 21 of the mobile cart 2 are provided with a brake mechanism.
The top of the second buffer chamber 13 is provided with an air outlet 13a and is communicated with the outside atmosphere through the air outlet 13 a.
The effect that above-mentioned structure set up does, and the hose 3 that admits air is used for connecting gas atmospheric valve 4, and gas atmospheric valve 4 is connected with natural gas pipe for diffuse the intraductal gas of natural gas. The high-pressure gas in the fuel gas emptying valve 4 is led into the muffler body 1 to be discharged outwards, wherein the high-pressure gas enters the exhaust pipeline 14 through the first buffer chamber 12, the sum of the sectional areas of the pipe diameter sections of all the exhaust pipelines 14 is larger than the sectional area of the pipe diameter section of the air inlet hose 3, so that the volume of the high-pressure gas is expanded, the pressure is reduced, when the gas flows through the first buffer chamber 12 and the exhaust pipeline 14, the noise vibration generated by the gas is absorbed by the sound absorption material 15, and by adopting the noise elimination resistance technology, the noise generated when the high-pressure gas is diffused can be effectively reduced.
The sound absorption material 15 is polyester fiber cotton.
Wherein, the silencing device body 1 is vertically arranged and is vertically and upwards emptied, so that high-pressure gas can be prevented from blowing to people around.
The lower end of the inlet air pipe 16 is detachably connected with the air inlet hose 3; the housing 11 is detachably mounted on the mobile cart 2, and wheels 21 of the mobile cart 2 are provided with a brake mechanism.
Because the volume size of the noise eliminator is large, the noise eliminator body 1, the movable trolley 2 and the air inlet hose 3 can be detached for transportation during ordinary transportation, the movable trolley 2 is taken out when the noise eliminator reaches the position of the gas vent valve 4, the noise eliminator body 1 is vertically installed on the movable trolley 2 and pushed to the side of a valve well where the gas vent valve 4 is located, and wheels 21 of the movable trolley 2 are locked through a brake mechanism. One end of the air inlet hose 3 is connected with the silencer body 1, the other end of the air inlet hose is connected with the fuel gas emptying valve 4, the fuel gas emptying valve 4 is opened for emptying, and after the silencer is used, the silencer is disassembled, loaded and transported back.
The bottom of moving shallow 2 is provided with 4 wheels 21, and wheel 21 is provided with brake mechanism, and brake mechanism adopts current mature technology, and its structure is no longer repeated.
As shown in fig. 3 and 4, the number of the exhaust pipes 14 is 7, of which 1 is located at the axial center of the casing 11, and the remaining 6 are uniformly distributed around the casing; the cross section of the utility model is honeycomb.
By adopting the honeycomb silencing structure, the noise generated when the fuel gas emptying valve 4 is emptied can be effectively reduced.
The air inlet hose 3 and the exhaust pipeline 14 are both made of stainless steel corrugated hoses.
The stainless steel corrugated hose is used for preventing rusting and reducing noise and vibration.
The bottom of the outer wall of the housing 11 is provided with a mounting piece 17, and the mounting piece 17 is provided with a mounting hole 171.
The housing 11 is detachably mounted on the moving cart 2 by bolts passing through the mounting holes 171.
The center of the top plate 2a of the movable cart 2 is provided with a groove 22 matched with the bottom of the shell 11, the bottom of the shell 11 is embedded into the groove 22, a screw hole 221 corresponding to the mounting hole 171 is arranged in the groove 22, the movable cart further comprises a bolt, the mounting hole 171 and the screw hole 221 corresponding to the mounting hole are screwed with the bolt, the shell 11 is detachably mounted on the top plate 2a of the movable cart 2 through the bolt, a through hole 222 through which the inlet air pipe 16 passes is also arranged in the groove 22, and the through hole 222 penetrates through the top plate 2a of the movable cart 2.
With the above-described structure, the housing 11 is conveniently fixed to the top plate 2a of the mobile cart 2.
The moving cart 2 is further provided with a bottom plate 2b, and the bottom plate 2b is connected with the top plate 2a through a support column 2 c. The wheels 21 are disposed at the bottom of the bottom plate 2 b.
The bottom plate 2b is provided with a through hole through which the intake hose 3 passes.
The pillar 2c is a tubular damper that can damp vibrations of the muffler device body 1 and the movable cart 2, thereby reducing noise.
The outer diameter of the shell 11 is 377mm, the inner diameters of the air inlet hose 3 and the exhaust pipeline 14 are both 50mm, and the height of the shell 11 is 1500 mm.
The length of the exhaust pipe 14 is 1000mm, and the noise decibel can be effectively reduced by adopting the silencer body 1 with the size.
The length and width of the mobile cart 2 are both 600 mm.
Taking the pipe diameter of the air inlet hose 3 of 50mm as an example, the silencer is about 40kg, and can reduce more than 35db when the working pressure is within 0.4MPa, and the diffusion speed is high.
The outer wall of the housing 11 is also provided with a handle 18.
The handle 18 is held by hand, so that the silencing device body 1 is convenient to install and move.
As shown in fig. 3, the upper end of the second buffer chamber 13 is rounded and bent inward, so that the air flow is reduced from being ejected to both sides of the housing, and is not easily ejected to surrounding people or objects.
The silencing system comprising the silencing device is characterized in that: comprises a gas emptying valve 4, and an exhaust nozzle 41 of the gas emptying valve 4 is connected with the lower end of an inlet air pipe 16 through an air inlet hose 3.
The noise elimination system adopts the noise elimination device, so that the noise generated when the gas emptying valve 4 is diffused can be effectively reduced, and the influence of the noise generated when the gas emptying valve is diffused on the normal life of surrounding residents is avoided as much as possible.
As shown in fig. 7, a soft rubber pipe 14a is fixedly arranged on the inner wall of the exhaust pipe 14, a buffer layer 13b is fixedly arranged on the inner wall of the second buffer chamber 13, and the buffer layer 13b is also made of soft rubber, so that the vibration noise of the exhaust pipe 14 and the second buffer chamber 13 can be effectively reduced, and after the noise is absorbed by the soft rubber, the noise is low and no longer sharp, and the sharp noise emitted by the inner wall of the metal muffler is reduced; the movable trolley 2 is further detachably provided with a compressed nitrogen tank 5, the compressed nitrogen tank 5 is connected with an air pipe 51 through an air valve, and after the gas vent valve 4 is released, nitrogen can be filled into the gas vent valve 4 or a natural gas pipeline through the air pipe 51 for purging residual gas in the gas vent valve 4 or the natural gas pipeline.
Finally, it is noted that: the above list is only the concrete implementation example of the present invention, and of course those skilled in the art can make modifications and variations to the present invention, and if these modifications and variations fall within the scope of the claims of the present invention and their equivalent technology, they should be considered as the protection scope of the present invention.
Claims (8)
1. A muffler device used during the bleeding of a fuel gas emptying valve is characterized by comprising a muffler device body (1), a movable trolley (2) and an air inlet hose (3), wherein the muffler device body (1) is vertically provided with a cylindrical shell (11), the bottom of an inner cavity of the shell (11) is provided with a first buffer chamber (12), the top of the inner cavity of the shell (11) is provided with a second buffer chamber (13), and the top of the second buffer chamber (13) is provided with an air outlet (13 a); the first buffer chamber (12) and the second buffer chamber (13) are communicated through at least two exhaust pipelines (14); a sound absorption material (15) is filled among the exhaust pipeline (14), the first buffer chamber (12) and the inner wall of the shell (11), an inlet air pipe (16) is arranged at the bottom of the shell (11), the upper end of the inlet air pipe (16) is connected with the first buffer chamber (12), and the lower end of the inlet air pipe (16) is detachably connected with the air inlet hose (3); the shell (11) is detachably mounted on the movable trolley (2), and wheels (21) of the movable trolley (2) are provided with brake mechanisms.
2. The muffler device for use in the bleeding of a gas flare valve of claim 1, further comprising: the number of the exhaust pipelines (14) is 7, wherein 1 exhaust pipeline is positioned at the axis position of the shell (11), and the rest 6 exhaust pipelines are uniformly distributed around the shell.
3. The muffler device for use in the bleeding of a gas flare valve of claim 1, further comprising: the air inlet hose (3) and the exhaust pipeline (14) are both made of stainless steel corrugated hoses.
4. The muffler device for use in the bleeding of a gas flare valve of claim 1, further comprising: the bottom of the outer wall of the shell (11) is provided with an installation sheet (17), and the installation sheet (17) is provided with an installation hole (171).
5. The muffler device for use in the bleeding of a gas flare valve of claim 4, further comprising: the center of roof (2a) of removing shallow (2) is provided with recess (22) with the bottom of casing (11) complex, during the bottom embedding recess (22) of casing (11), be provided with screw (221) that correspond with mounting hole (171) in recess (22), mounting hole (171) and screw (221) have revolved the bolt, install on roof (2a) of removing shallow (2) through this bolt detachably casing (11), still be provided with via hole (222) that entry trachea (16) passed through in recess (22), roof (2a) of removing shallow (2) are run through in this via hole (222).
6. The muffler device for use in the bleeding of a gas flare valve of claim 1, further comprising: the outer diameter 377mm of casing (11), the internal diameter of intake hose (3), exhaust duct (14) is 50mm, and the length of exhaust duct (14) is 1000mm, and the height of casing (11) is 1500 mm.
7. The muffler device for use in the bleeding of a gas flare valve of claim 1, further comprising: the outer wall of the shell (11) is also provided with a handle (18); the movable trolley (2) is also detachably provided with a compressed nitrogen tank (5), and the compressed nitrogen tank (5) is connected with an air pipe (51) through an air valve.
8. A muffler system including the muffler apparatus of claim 1, wherein: comprises a gas emptying valve (4), and an exhaust nozzle (41) of the gas emptying valve (4) is connected with the lower end of an inlet air pipe (16) through an air inlet hose (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603827.5U CN213685791U (en) | 2020-11-12 | 2020-11-12 | Noise elimination device and system used during gas emptying valve diffusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603827.5U CN213685791U (en) | 2020-11-12 | 2020-11-12 | Noise elimination device and system used during gas emptying valve diffusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213685791U true CN213685791U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022603827.5U Active CN213685791U (en) | 2020-11-12 | 2020-11-12 | Noise elimination device and system used during gas emptying valve diffusion |
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| Country | Link |
|---|---|
| CN (1) | CN213685791U (en) |
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- 2020-11-12 CN CN202022603827.5U patent/CN213685791U/en active Active
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