CN212251672U - Gas pipeline noise eliminator - Google Patents

Gas pipeline noise eliminator Download PDF

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Publication number
CN212251672U
CN212251672U CN202020950659.4U CN202020950659U CN212251672U CN 212251672 U CN212251672 U CN 212251672U CN 202020950659 U CN202020950659 U CN 202020950659U CN 212251672 U CN212251672 U CN 212251672U
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China
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pipeline
silencing
chamber
left end
gas
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CN202020950659.4U
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Chinese (zh)
Inventor
黄达富
李秋阳
翟增锋
郭良星
郭振华
郭振锋
黄汝兴
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Huaiji Enn Gas Co ltd
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Huaiji Enn Gas Co ltd
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Abstract

The utility model provides a gas pipeline noise eliminator, the air current velocity of flow of the gas that passes through is reduced through the expansion room formula silencer that the external diameter increases progressively gradually, realize the preliminary subduction to the noise, then utilize the dispersion cover that admits air to change the way with the air current, be and transmit into the anechoic room with dispersing, the horizontal sieve mesh of passageway is combed again on the second, get into second anechoic pipeline, again from the oblique sieve mesh lane change of the pipe wall of second anechoic pipeline and get into third anechoic pipeline, the horizontal sieve mesh of passageway is combed again and is got into fourth anechoic pipeline from first, the indoor air current of third anechoic room leaves cubic anechoic room and gets into low reaches pipeline after the horizontal sieve mesh of passageway is combed again under the second at last, through the lane change-combing that relapse many times, constantly mix the air current, can.

Description

Gas pipeline noise eliminator
Technical Field
The utility model belongs to the technical field of the gas is carried, concretely relates to gas pipeline noise eliminator.
Background
The city gas is the main energy of our country's resident life, is widely used in each field such as refrigeration, heating, transportation, etc., along with the construction and popularization of the gas pipeline, the gas pipeline has higher and higher quality requirements for the related technology, the gas pipeline has gas turbulence, noise, etc. because of the mutual friction between the gas flowing rapidly and the gas pipeline in the gas pipeline, or the existence of the elbow, tee joint, etc. in the gas pipeline of the present gas meter, wherein the gas turbulence and the noise cause the micro-vibration generated by the gas pipeline to seriously affect the stability of the ultrasonic gas meter and the accuracy of the metering result, and also cause certain adverse effect to the nearby resident life, the noise eliminator is a device which can effectively prevent or weaken the outward propagation of sound energy while allowing the gas flow to pass through, and can weaken the noise generated by the gas pipeline, at present, the silencing capability of the silencing device for the gas pipeline still needs to be improved.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to overcome the above technical problems, the utility model provides a gas pipeline muffler device, including expansion room formula silencer and reflection type silencer, the right-hand member of expansion room formula silencer communicate in the left end of reflection type silencer, reflection type silencer includes the casing, the inside of casing includes left end lid, primary anechoic chamber, secondary anechoic chamber, cubic anechoic chamber and right-hand member lid from left to right side in proper order, the junction of primary anechoic chamber with the secondary anechoic chamber is equipped with first baffle, the junction of secondary anechoic chamber with the cubic anechoic chamber is equipped with the second baffle, the top of primary anechoic chamber is equipped with first anechoic pipeline, the left end lid is equipped with and supplies first anechoic pipeline communicate in the first upper channel of expansion room formula silencer, the first upper channel is equipped with the dispersion cover of admitting air, the top of secondary anechoic chamber is equipped with the second anechoic pipeline, a third silencing pipeline is arranged below the secondary silencing chamber, the first clapboard is provided with a second upper channel which can be used for communicating the first silencing pipeline with the second silencing pipeline, a fourth silencing pipeline is arranged below the third silencing chamber, a first lower channel which can be used for communicating the third silencing pipeline with the left end of the fourth silencing pipeline is arranged on the second partition plate, the right end cover is provided with a second lower channel for communicating the fourth silencing pipeline with the right side of the shell, the second upper channel, the first lower channel and the second lower channel are all provided with horizontal sieve pores, the second silencing pipeline and the third silencing pipeline are hollow frustum with the outer diameter of the left end smaller than that of the right end, the second silencing pipeline and the third silencing pipeline are provided with inclined sieve holes, and the pipe walls of the first silencing pipeline and the fourth silencing pipeline are provided with vertical sieve holes.
Furthermore, a sealing gasket is arranged at the left end of the left end cover and/or the right end of the right end cover. The sealing washer can guarantee the gas tightness, prevents that high pressure gas from leaking when flowing through.
Further, a cavity capable of containing cooling liquid is arranged inside the shell. The low-temperature environment generated by the cavity containing the cooling liquid forms a temperature difference relative to the fuel gas in the shell, and the sound ray deflects towards the direction of the cold end under the action of the temperature gradient, so that the noise elimination capability is further improved.
Further, including the controller, the left end of expanding silencer is equipped with the control valve, the right-hand member of casing is equipped with spark arrester and pressure sensor in proper order, the output of spark arrester passes through three way connection and outside pipe intercommunication of diffusing, pressure sensor establishes on the three way connection, pressure sensor reaches the control valve with controller electric connection. When the downstream is the bleeder, the pressure controller detects the pressure in the three way connection and sends the detection data to the controller, and the controller controls the opening size of the control valve according to the detection data so as to achieve the purpose of controlling the flow rate of gas bleeding and improve the safety performance of operation.
Furthermore, turbulent springs are arranged inside the first noise elimination pipeline, the second noise elimination pipeline, the third noise elimination pipeline and the fourth noise elimination pipeline, and the turbulent springs can further stir air flow inside the first noise elimination pipeline, the second noise elimination pipeline, the third noise elimination pipeline and the fourth noise elimination pipeline, so that noise is reduced.
The utility model discloses the beneficial effect who produces is: the flow velocity of the gas flow passing through the expansion chamber type silencer with gradually increasing outer diameter is reduced to realize the primary reduction of noise, then the gas flow is diverted by the gas inlet dispersion cover and is divergently transmitted into the primary silencing chamber, the gas flow is re-combed by the horizontal sieve mesh of the second upper channel and enters the second silencing pipeline, then the gas flow is diverted from the inclined sieve mesh of the pipe wall of the second silencing pipeline and enters the third silencing pipeline, the horizontal sieve mesh of the first lower channel is re-combed and enters the fourth silencing pipeline, finally the gas flow in the third silencing chamber leaves the third silencing chamber and enters the downstream pipeline after being re-combed by the horizontal sieve mesh of the second lower channel, the gas flow is continuously stirred through repeated lane changing-combing for many times, the noise can be effectively reduced, and meanwhile, the silencing pipeline and the silencing chamber form a resonator, so that the sound wave is transmitted back and forth, and the noise reduction effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
wherein, 1, expanding chamber type muffler; 11. a control valve; 2. a reflective muffler; 21. a housing; 22. a left end cap; 221. a first upper channel; 2211. an intake dispersion hood; 23. a primary anechoic chamber; 231. a first separator; 2311. a second upper channel; 232. a first muffling conduit; 24. a secondary anechoic chamber; 241. a second separator; 2411. a first lower channel; 242. a second muffling conduit; 243. a third muffling conduit; 25. a third anechoic chamber; 251. a fourth muffling conduit; 26. a right end cap; 261. a second lower channel; 3. horizontal sieve pores; 4. obliquely placing sieve pores; 5. vertical sieve pores; 6. a sealing gasket; 7. a flame arrestor; 8. a three-way joint; 81. a pressure sensor; 82. a controller; 9. an outer diffuser tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Fig. 1 shows a gas pipeline muffler device provided by the present invention, which comprises an expansion chamber type muffler 1 and a reflection type muffler 2, wherein the right end of the expansion chamber type muffler 1 is communicated with the left end of the reflection type muffler 2, the reflection type muffler 2 comprises a housing 21, the interior of the housing 21 sequentially comprises a left end cover 22, a primary muffling chamber 23, a secondary muffling chamber 24, a tertiary muffling chamber 25 and a right end cover 26 from left to right, a first partition plate 231 is arranged at the joint of the primary muffling chamber 23 and the secondary muffling chamber 24, a second partition plate 241 is arranged at the joint of the secondary muffling chamber 24 and the tertiary muffling chamber 25, a first muffling pipeline 232 is arranged above the primary muffling chamber 23, the left end cover 22 is provided with a first upper channel 221 through which the first muffling pipeline 232 can be communicated with the expansion chamber type muffler 1, the first upper channel 221 is provided with an air intake dispersion cover 2211, a second muffling pipeline 242 is arranged above the secondary muffling chamber 24, a third silencing pipeline 243 is arranged below the secondary silencing chamber 24, a second upper channel 2311 which is used for communicating the first silencing pipeline 232 with the second silencing pipeline 242 is arranged on the first partition plate 231, a fourth silencing pipeline 251 is arranged below the tertiary silencing chamber 25, a first lower channel 2411 which is used for communicating the third silencing pipeline 243 with the left end of the fourth silencing pipeline 251 is arranged on the second partition plate 241, a second lower channel 261 which is used for communicating the fourth silencing pipeline 251 with the right side of the shell 21 is arranged on the right end cover 26, horizontal sieve holes 3 are arranged on the second upper channel 2311, the first lower channel 2411 and the second lower channel 261, the second silencing pipeline 242 and the third silencing pipeline 243 are hollow conical tables with the left end outer diameter smaller than the right end outer diameter, inclined sieve holes 4 are arranged on the second silencing pipeline 242 and the third silencing pipeline 243, and vertical sieve holes 5 are arranged on the pipe walls of the first silencing pipeline 232 and the fourth silencing pipeline 251.
The left end of the left end cover 22 and/or the right end of the right end cover 26 are provided with a sealing gasket 6. The sealing washer 6 can ensure air tightness and prevent air leakage when high-pressure gas flows through.
The inner wall of the housing 21 is provided with a cavity for receiving a cooling fluid. The low temperature environment generated by the cavity containing the cooling liquid forms a temperature difference relative to the fuel gas inside the shell 21, and the sound ray deflects towards the direction of the cold end under the action of the temperature gradient, so that the noise elimination capability is further improved.
Still include controller 82, the left end of expanding silencer is equipped with control valve 11, and the right-hand member of casing 21 is equipped with spark arrester 7 and pressure sensor 81 in proper order, and the output of spark arrester 7 is passed through three way connection 8 and is diffused outside and manage 9 intercommunication, and pressure sensor 81 establishes on three way connection 8, pressure sensor 81 and control valve 11 and controller 82 electric connection. When the downstream is the bleeding pipe, the pressure controller 82 detects the pressure in the three-way joint 8 and sends the detection data to the controller 82, and the controller 82 controls the opening size of the control valve 11 according to the detection data so as to achieve the purpose of controlling the flow rate of the gas bleeding and improve the safety performance of the operation.
Turbulent springs are arranged inside the first, second, third and fourth noise elimination pipes 232, 242, 243 and 251, and can further stir air flow inside the first, second, third and fourth noise elimination pipes 232, 242, 243 and 251, so as to reduce noise.
The working mode is as follows: the flow velocity of the gas flow passing through is reduced by the expansion chamber type silencer 1 with gradually increasing outer diameter to realize the preliminary reduction of noise, then the gas flow is diverted by the gas inlet dispersion cover 2211 and is divergently transmitted into the primary silencing chamber 23, and is combed again by the horizontal sieve mesh 3 of the second upper channel 2311, enters the second silencing pipeline 242, is diverted by the inclined sieve mesh 4 on the pipe wall of the second silencing pipeline 242 and enters the third silencing pipeline 243, and is combed again into the fourth silencing pipeline 251 by the horizontal sieve mesh 3 of the first lower channel 2411, finally, the gas in the third silencing chamber 25 passes through the horizontal sieve mesh 3 of the second lower channel 261 to be combed again and then leaves the third silencing chamber 25 and enters the downstream pipeline, and is combed by repeated lane changing-combing for many times to constantly stir the gas flow, the noise can be effectively reduced, and the silencing pipeline and the silencing chamber form a resonator to transmit sound wave back and forth, the effect of noise reduction is achieved.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "left", "right", "upper", "lower" and the like as used herein are for illustrative purposes only.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make simple deduction or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (5)

1. A gas pipeline silencing device is characterized by comprising an expansion chamber type silencer and a reflection type silencer, wherein the right end of the expansion chamber type silencer is communicated with the left end of the reflection type silencer, the reflection type silencer comprises a shell, the shell sequentially comprises a left end cover, a primary silencing chamber, a secondary silencing chamber, a tertiary silencing chamber and a right end cover from left to right, a first partition plate is arranged at the joint of the primary silencing chamber and the secondary silencing chamber, a second partition plate is arranged at the joint of the secondary silencing chamber and the tertiary silencing chamber, a first silencing pipeline is arranged above the primary silencing chamber, a first upper channel for communicating the first silencing pipeline with the expansion chamber type silencer is arranged on the left end cover, an air inlet dispersion cover is arranged on the first upper channel, a second silencing pipeline is arranged above the secondary silencing chamber, a third silencing pipeline is arranged below the secondary silencing chamber, the first clapboard is provided with a second upper channel which can be used for communicating the first silencing pipeline with the second silencing pipeline, a fourth silencing pipeline is arranged below the third silencing chamber, a first lower channel which can be used for communicating the third silencing pipeline with the left end of the fourth silencing pipeline is arranged on the second partition plate, the right end cover is provided with a second lower channel for communicating the fourth silencing pipeline with the right side of the shell, the second upper channel, the first lower channel and the second lower channel are all provided with horizontal sieve pores, the second silencing pipeline and the third silencing pipeline are hollow frustum with the outer diameter of the left end smaller than that of the right end, the second silencing pipeline and the third silencing pipeline are provided with inclined sieve holes, and the first silencing pipeline and the fourth silencing pipeline are provided with vertical sieve holes.
2. The gas pipe muffling device of claim 1, wherein a sealing gasket is disposed at the left end of the left end cap and/or the right end of the right end cap.
3. The gas pipeline muffling device of claim 1, wherein the housing defines a cavity therein for receiving a cooling fluid.
4. The gas pipeline silencer according to claim 1, comprising a controller, wherein a control valve is arranged at the left end of the expansion chamber type silencer, a flame arrester and a pressure sensor are sequentially arranged at the right end of the shell, the output end of the flame arrester is communicated with an external blow-off pipe through a tee joint, the pressure sensor is arranged on the tee joint, and the pressure sensor and the control valve are electrically connected with the controller.
5. The gas pipeline silencer assembly of claim 1, wherein the first, second, third, and fourth silencer pipelines are internally provided with a turbulent spring.
CN202020950659.4U 2020-05-29 2020-05-29 Gas pipeline noise eliminator Active CN212251672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020950659.4U CN212251672U (en) 2020-05-29 2020-05-29 Gas pipeline noise eliminator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020950659.4U CN212251672U (en) 2020-05-29 2020-05-29 Gas pipeline noise eliminator

Publications (1)

Publication Number Publication Date
CN212251672U true CN212251672U (en) 2020-12-29

Family

ID=73978732

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020950659.4U Active CN212251672U (en) 2020-05-29 2020-05-29 Gas pipeline noise eliminator

Country Status (1)

Country Link
CN (1) CN212251672U (en)

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