CN114604281A - Rail transit vent silencer - Google Patents
Rail transit vent silencer Download PDFInfo
- Publication number
- CN114604281A CN114604281A CN202210357499.6A CN202210357499A CN114604281A CN 114604281 A CN114604281 A CN 114604281A CN 202210357499 A CN202210357499 A CN 202210357499A CN 114604281 A CN114604281 A CN 114604281A
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- China
- Prior art keywords
- pipe
- fixedly connected
- rail transit
- water
- inclined pipeline
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- 230000003584 silencer Effects 0.000 title claims abstract description 21
- 229920000742 Cotton Polymers 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 230000030279 gene silencing Effects 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 239000003651 drinking water Substances 0.000 claims description 5
- 235000020188 drinking water Nutrition 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 241000219146 Gossypium Species 0.000 description 55
- 230000000694 effects Effects 0.000 description 18
- 239000000428 dust Substances 0.000 description 10
- 230000001743 silencing effect Effects 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/009—Means for ventilating only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the technical field of silencers, and discloses a silencer for a rail transit vent, which comprises an inclined pipeline, wherein one side of the top of the inclined pipeline is fixedly connected with an air inlet pipe, one side of the bottom of the inclined pipeline is fixedly connected with an air outlet pipe, a plurality of vibration assemblies are vertically arranged in the inclined pipeline, one side of each vibration assembly, which is close to the air inlet pipe, is fixedly connected with silencing cotton, each silencing cotton is correspondingly provided with a connecting pipe, one side, which faces the silencing cotton, of each connecting pipe is fixedly connected with a spray head, the end parts of each connecting pipe extend to the outside of the inclined pipeline, the end parts of the connecting pipes are jointly connected with a water inlet assembly, the inner wall of the bottom of the inclined pipeline is fixedly provided with a drainage groove, the drainage groove extends to the pipe orifice of the air outlet pipe, a sealing ring is arranged on the surface, which the inner wall of the inclined pipeline is abutted against the silencing cotton, and a vacuum cavity is arranged in the sealing ring, and the replacement frequency is low.
Description
Technical Field
The invention relates to the technical field of silencers, in particular to a silencer for a rail transit ventilation opening.
Background
With the rapid development of social economy, the silencer is an airflow pipeline with noise transmission, noise in the pipeline can be attenuated or reflected by using a pipeline and an elbow with sound absorption linings or noise reduction devices such as a pipeline with suddenly changed sectional area and other discontinuous acoustic impedances, the former is called a resistive silencer, the latter is called a resistive silencer and also has an impedance composite silencer, the resistive silencer mainly reduces noise by using porous sound absorption materials, the sound absorption materials are fixed on the inner wall of the airflow channel or arranged in the pipeline according to a certain mode to form the resistive silencer, when sound waves enter the resistive silencer, a part of sound energy rubs in pores of the porous materials to be converted into heat energy to be dissipated, and the sound waves passing through the silencer are weakened. Resistive mufflers behave as if they were electrically pure resistive circuits, with the sound absorbing material resembling a resistor. Therefore, people refer to the silencer as a resistive silencer, and the resistive silencer has good silencing effect on medium and high frequencies and poor silencing effect on low frequencies;
the invention discloses a railway traffic vent silencer, which is disclosed in Chinese patent publication No. CN112923546A, relates to the technical field of silencers, and solves the problems that the silencer of the railway traffic vent is poor in silencing effect and cannot adjust the silencing effect at any time according to the noise. The utility model provides a track traffic vent silencer, includes shell, treatment trough, amortization piece and a check valve, the symmetry is equipped with the treatment trough in the shell lateral wall, the inside of treatment trough is provided with the amortization piece, the shell lateral wall be equipped with the treatment trough with the inside first check valve that is linked together of shell, the upper end of shell is provided with the vent, the inboard fixed mounting of vent has the connecting block, the inboard fixed mounting of connecting block has the connecting rod. The first baffle rotates ninety degrees and is matched with the fixedly connected second baffle, so that the blocking device is added, when the flow velocity is too high, the blocking device can be timely adjusted and added to reduce treatment, and the silencing effect is ensured.
However, the above patents have the following disadvantages:
firstly, due to environmental factors, wind at the rail transit part can carry a large amount of dust and impurities, and when the wind enters the silencer, the wind can remain on the silencing block, so that the silencing efficiency can be reduced after long-time accumulation, even the silencing block is blocked, and the normal circulation of the wind is influenced;
secondly, the silencing block can not be cleaned in real time, the long-term accumulation of dust and sundries can reduce the service life of the silencing block, the replacement frequency is high, and the cost is high.
Disclosure of Invention
The invention aims to provide a rail transit vent silencer to solve the problems in the background art.
The invention provides a muffler for a vent of rail transit, which comprises an inclined pipeline, wherein an air inlet pipe is fixedly connected to one side of the top of the inclined pipeline, an air outlet pipe is fixedly connected to one side of the bottom of the inclined pipeline, a plurality of vibration assemblies are vertically arranged in the inclined pipeline, silencing cotton is fixedly connected to one side, close to the air inlet pipe, of each vibration assembly, each silencing cotton is correspondingly provided with a connecting pipe, a spray head is fixedly connected to one side, facing the silencing cotton, of each connecting pipe, the end part of each connecting pipe extends to the outside of the inclined pipeline, the end parts of the connecting pipes are jointly connected with a water inlet assembly, a drainage groove is fixedly formed in the inner wall of the bottom of the inclined pipeline, the drainage groove extends to the pipe opening of the air outlet pipe, a sealing ring is arranged on the surface, abutted against the silencing cotton, of the inner wall of the inclined pipeline, and a vacuum cavity is formed in the sealing ring.
Preferably, the water drainage tank top is provided with the multiunit passageway of intaking, every group the passageway of intaking all includes first opening and second opening, first opening and second opening communicate with the cavity of the cotton both sides of amortization respectively.
Preferably, an outlet of the drainage groove on the air outlet pipe is provided with an elastic telescopic pipe, the end part of the elastic telescopic pipe is fixedly connected with a sealing cover, and the inner wall of the air outlet pipe is provided with an electric control valve.
Preferably, the vibrations subassembly includes the collar, a plurality of springs of fixedly connected with on the collar, the spring tip with the cotton fixed connection of amortization.
Preferably, the subassembly of intaking includes inlet tube, water pump, inlet tube one end is with a plurality of the connecting pipe communicates each other, the inlet tube other end with the water pump links to each other, one side fixedly connected with drinking-water pipe of inlet tube is kept away from to the water pump.
Preferably, one side of the water pumping pipe, which is far away from the water pump, is fixedly connected with a water storage tank.
Preferably, a filter screen is arranged at the top of the water storage tank.
Preferably, a guide pipe is arranged between the air inlet pipe and the inclined pipeline, and a silencing layer is fixedly connected to the inner wall of the guide pipe.
Preferably, a dehumidifying sleeve is clamped at the pipe orifice of the air outlet pipe.
Compared with the prior art, the invention has the beneficial effects that:
(1) the silencing cotton in the inclined pipeline is vertically arranged, which means that an included angle area is formed between the bottom of the silencing cotton and the bottom wall of the inclined pipeline, the wind speed in the included angle area and the wind pressure above the wind pressure and the wind speed are larger, when the wind volume is large enough, the wind pressure can drive the vibration assembly, the vibration assembly is used for driving the silencing cotton to vibrate, so that impurities such as dust and the like remained in the silencing cotton fall off, the silencing cotton is cleaned in real time, the silencing effect of the silencing cotton is guaranteed, the water inlet assembly can be started regularly when the weather temperature is high, the water inlet assembly is in an enhanced cleaning mode at the moment, and the enhanced cleaning mode is as follows: the subassembly of intaking can pass through the shower nozzle, with the water injection on the amortization is cotton, thoroughly cleans the amortization cotton, and the vibrations effect of collocation vibrations subassembly can improve the activity of moisture on the amortization cotton, improves clean effect, and the vibrations effect of vibrations subassembly can be convenient for sewage shake off from the amortization cotton, and the sewage that shakes off enters into the water drainage tank, then discharges.
(2) Under the normal mode, because the existence of water drainage tank, and water drainage tank leads directly out the tuber pipe, wind can blow off from the mouth of pipe that goes out the tuber pipe along water drainage tank, and wind is not just directly discharged through the amortization cotton this moment, avoids this kind of condition, hoards ponding in advance in the water drainage tank on the play tuber pipe, then seals through sealed lid, and water can collect the dust debris that shake off, and gives sound insulation effectually.
(3) When air enters from the air inlet pipe, the air speed can be reduced through the guide pipe, so that the contact time of the air and the silencing cotton is prolonged, the silencing effect is improved, and when the air collides with the guide pipe, the silencing layer can absorb noise, so that the silencing effect is further improved.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of an inclined duct according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view of FIG. 2 at B;
fig. 5 is an enlarged view of fig. 2 at C.
In the figure: 1. inclining the pipeline; 2. an air inlet pipe; 3. an air outlet pipe; 301. a dehumidifying sleeve; 302. an electrically controlled valve; 4. silencing cotton; 401. a seal ring; 5. a connecting pipe; 501. a water inlet pipe; 502. a water pump; 503. a water pumping pipe; 504. a spray head; 6. a water discharge tank; 601. a first port; 602. a second port; 7. a sealing cover; 701. an elastic telescopic pipe; 8. a mounting ring; 801. a spring; 9. a water storage tank; 901. a filter screen; 10. a guide tube.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, an embodiment of the present invention provides a sound damper for a rail transit vent, including an inclined pipe 1, an air inlet pipe 2 fixedly connected to one side of the top of the inclined pipe 1, an air outlet pipe 3 fixedly connected to one side of the bottom of the inclined pipe 1, a plurality of vibration assemblies vertically arranged inside the inclined pipe 1, a sound-damping cotton 4 fixedly connected to one side of the vibration assemblies close to the air inlet pipe 2, a connecting pipe 5 correspondingly arranged on each sound-damping cotton 4, a nozzle 504 fixedly connected to one side of the connecting pipe 5 facing the sound-damping cotton 4, an end portion of the connecting pipe 5 extending to the outside of the inclined pipe 1, a water inlet assembly commonly connected to the end portion of the connecting pipe 5, a water discharge groove 6 fixedly arranged on the inner wall of the bottom of the inclined pipe 1, the water discharge groove 6 extending to the mouth of the air outlet pipe 3, and a sealing ring 401 arranged on the surface of the inner wall of the inclined pipe 1 abutting against the sound-damping cotton 4, the sealing ring 401 has a vacuum chamber therein.
An outlet of the drainage groove 6 on the air outlet pipe 3 is provided with an elastic telescopic pipe 701, the end part of the elastic telescopic pipe 701 is fixedly connected with a sealing cover 7, and the inner wall of the air outlet pipe 3 is provided with an electric control valve 302.
Specifically, the method comprises the following steps: wind gets into from air-supply line 2, run through a plurality of amortizations cotton 4 in the slope pipeline 1 and carry out the amortization, then discharge from the mouth of pipe that goes out tuber pipe 3, refer to and show figure 2, amortization cotton 4 vertical settings in the slope pipeline 1, this means to have contained angle district between amortization cotton 4 bottoms and the slope pipeline 1 bottom wall, wind speed and the wind pressure of wind pressure in the contained angle district are bigger than the top and the wind speed, when the amount of wind is big enough, the wind pressure can drive vibrations subassembly, the vibrations subassembly is used for driving amortization cotton 4 vibrations, thereby make impurity such as the remaining dust of amortization cotton 4 drop, real-time cleaning amortization cotton 4, guarantee amortization cotton 4's noise cancelling effect, and can regularly start the subassembly of intaking when weather temperature is higher, this moment is in and strengthens clean mode, strengthen under the clean mode: the water inlet assembly sprays water onto the silencing cotton 4 through the spray head 504 to thoroughly clean the silencing cotton 4, the vibration effect of the vibration assembly is matched, the activity of water on the silencing cotton 4 can be improved, the cleaning effect is improved, the vibration effect of the vibration assembly can facilitate the shaking off of sewage from the silencing cotton 4, and the shaken sewage enters the drainage groove 6 and is then discharged;
in a normal mode, due to the existence of the drainage grooves 6 and the fact that the drainage grooves 6 are directly communicated with the air outlet pipe 3, wind can be blown out from the pipe opening of the air outlet pipe 3 along the drainage grooves 6, at the moment, the wind can be directly discharged without passing through the silencing cotton 4, in order to avoid the situation, water needs to be accumulated in the drainage grooves 6 on the air outlet pipe 3 in advance, then sealing is carried out through the sealing covers 7, water can collect shaken-off dust and sundries, and the sound insulation effect is good;
the sealing ring 401 can block air circulation and has a certain sound insulation effect, the vacuum cavity in the sealing ring 401 provides a vibration space for vibration of the silencing cotton 4, and the sealing performance between the silencing cotton 4 and the inclined pipeline 1 is effectively guaranteed;
and in the normal mode, the sealing cover 7 is sealed with the drainage groove 6 through the elastic extension pipe 701, and in the enhanced cleaning mode, the electric control valve 302 is closed, at the moment, the wind and the cleaned water are discharged along the drainage groove 6 together, and under the action of the water pressure and the wind pressure, the elastic extension pipe 701 extends outwards, so that the sealing cover 7 is opened, and the automatic closing of the sealing cover 7 is realized.
The top of the drainage channel 6 is provided with a plurality of groups of water inlet channels, each group of water inlet channels comprises a first opening 601 and a second opening 602, and the first opening 601 and the second opening 602 are respectively communicated with the cavities on two sides of the silencing cotton 4.
Specifically, the method comprises the following steps: the first through opening 601 and the second through opening 602 are respectively located at both sides of the silencing cotton 4, so that dust, impurities and moisture at both sides of the silencing cotton 4 can be guided, and the dust, impurities and moisture can enter the drainage channel 6.
The vibrations subassembly includes collar 8, a plurality of springs 801 of fixedly connected with on the collar 8, and spring 801 tip and amortization are cotton 4 fixed connection, and in this setting, spring 801 is used for adapting to the vibrations of amortization cotton 4.
The subassembly of intaking includes inlet tube 501, water pump 502, and inlet tube 501 one end and a plurality of connecting pipes 5 communicate each other, and the inlet tube 501 other end links to each other with water pump 502, and water pump 502 keeps away from one side fixedly connected with drinking-water pipe 503 of inlet tube 501, and in this setting, drinking-water pipe 503 and outside water source intercommunication, water pump 502 are arranged in sending into connecting pipe 5 with water through inlet tube 501 to realize the water spray.
One side fixedly connected with catch basin 9 that water pump 502 was kept away from to drinking-water pipe 503, and catch basin 9 top is provided with filter screen 901, and in this setting, catch basin 9 can collect the rainwater and provide the water source for water pump 502, improves water source utilization ratio, and filter screen 901 can filter debris, avoids during debris enters into catch basin 9.
A guide pipe 10 is arranged between the air inlet pipe 2 and the inclined pipeline 1, and a silencing layer is fixedly connected on the inner wall of the guide pipe 10.
Specifically, the method comprises the following steps: when wind got into from air-supply line 2, can reduce the wind speed through stand pipe 10 for wind promotes with the cotton contact time of amortization 4, improves noise cancelling effect, and wind when with the stand pipe 10 striking, and noise cancelling layer can noise absorbing, further promotes noise cancelling effect.
The dehumidifying sleeve 301 is clamped at the opening of the air outlet pipe 3, and the dehumidifying sleeve 301 in the air outlet pipe can be made of water absorbing materials, such as sponge articles, so that moisture in wind can be absorbed, and the humidity of the discharged wind is in a normal value.
The working principle is as follows: wind gets into from air-supply line 2, run through a plurality of amortization cottons 4 in the slope pipeline 1 and carry out the amortization, then discharge from the mouth of pipe that goes out tuber pipe 3, refer to and draw together figure 2, amortization cotton 4 vertical settings in the slope pipeline 1, this means that have between amortization cotton 4 bottoms and the slope pipeline 1 bottom wall contained angle district, wind speed and wind pressure that the wind pressure is more than the top in the contained angle district are bigger and the wind speed is bigger, when the amount of wind is enough big, the wind pressure can drive vibrations subassembly, vibrations subassembly is used for driving amortization cotton 4 and shakes, thereby make impurity such as the remaining dust of amortization cotton 4 drop, real-time cleaning amortization cotton 4, guarantee amortization cotton 4's noise cancelling effect, and can regularly start the subassembly of intaking when weather temperature is higher, be in this moment and strengthen clean mode, strengthen under the clean mode: the water inlet assembly sprays water onto the silencing cotton 4 through the spray head 504 to thoroughly clean the silencing cotton 4, the vibration effect of the vibration assembly is matched, the activity of water on the silencing cotton 4 can be improved, the cleaning effect is improved, the vibration effect of the vibration assembly can facilitate the shaking off of sewage from the silencing cotton 4, and the shaken sewage enters the drainage groove 6 and is then discharged; under normal mode, because the existence of water drainage tank 6, and water drainage tank 6 leads directly out tuber pipe 3, wind can blow off from the mouth of pipe that goes out tuber pipe 3 along water drainage tank 6, and wind does not just directly discharge through amortization cotton 4 this moment, in order to avoid this kind of condition, stores up ponding in advance among the water drainage tank 6 on the play tuber pipe 3, then seals through sealed lid 7, and water can be collected the dust debris that shake off, and gives sound insulation effectually.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A rail transit vent silencer, includes slope pipeline (1), its characterized in that: the air inlet pipe (2) is fixedly connected to one side of the top of the inclined pipeline (1), the air outlet pipe (3) is fixedly connected to one side of the bottom of the inclined pipeline (1), a plurality of vibration assemblies are vertically arranged in the inclined pipeline (1), one side of each vibration assembly, which is close to the air inlet pipe (2), is fixedly connected with silencing cotton (4), each silencing cotton (4) is correspondingly provided with a connecting pipe (5), one side, facing towards the silencing cotton (4), of each connecting pipe (5) is fixedly connected with a spray head (504), the end part of each connecting pipe (5) extends to the outside of the inclined pipeline (1), a plurality of end parts of the connecting pipes (5) are jointly connected with a water inlet assembly, a drainage groove (6) is fixedly formed in the inner wall of the bottom of the inclined pipeline (1), the drainage groove (6) extends to the pipe orifice of the air outlet pipe (3), and a sealing ring (401) is arranged on the abutting surface of the inner wall of the inclined pipeline (1) and the silencing cotton (4), the sealing ring (401) is internally provided with a vacuum cavity.
2. A rail transit vent muffler according to claim 1, wherein: drainage tank (6) top is provided with the multiunit passageway of intaking, every group the passageway of intaking all includes first opening (601) and second opening (602), first opening (601) and second opening (602) communicate with the cavity in the both sides of amortization cotton (4) respectively.
3. A rail transit vent muffler according to claim 1, wherein: an elastic telescopic pipe (701) is arranged at an outlet of the water drainage groove (6) on the air outlet pipe (3), a sealing cover (7) is fixedly connected to the end part of the elastic telescopic pipe (701), and an electric control valve (302) is arranged on the inner wall of the air outlet pipe (3).
4. A rail transit vent muffler according to claim 1, wherein: the vibration assembly comprises a mounting ring (8), a plurality of springs (801) are fixedly connected to the mounting ring (8), and the end portions of the springs (801) are fixedly connected with the silencing cotton (4).
5. A rail transit vent muffler according to claim 1, wherein: the subassembly of intaking includes inlet tube (501), water pump (502), inlet tube (501) one end is with a plurality of connecting pipe (5) communicate each other, inlet tube (501) other end with water pump (502) link to each other, one side fixedly connected with drinking-water pipe (503) of inlet tube (501) are kept away from in water pump (502).
6. A rail transit vent muffler according to claim 5, wherein: one side of the water pumping pipe (503) far away from the water pump (502) is fixedly connected with a water storage tank (9).
7. The rail transit vent muffler of claim 6, wherein: the top of the water storage tank (9) is provided with a filter screen (901).
8. A rail transit vent muffler according to claim 1, wherein: a guide pipe (10) is arranged between the air inlet pipe (2) and the inclined pipeline (1), and a silencing layer is fixedly connected to the inner wall of the guide pipe (10).
9. A rail transit vent muffler according to claim 1, wherein: and a dehumidifying sleeve (301) is clamped at the pipe orifice of the air outlet pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210357499.6A CN114604281B (en) | 2022-04-06 | 2022-04-06 | Rail transit vent silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210357499.6A CN114604281B (en) | 2022-04-06 | 2022-04-06 | Rail transit vent silencer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114604281A true CN114604281A (en) | 2022-06-10 |
| CN114604281B CN114604281B (en) | 2023-08-04 |
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ID=81869142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210357499.6A Active CN114604281B (en) | 2022-04-06 | 2022-04-06 | Rail transit vent silencer |
Country Status (1)
| Country | Link |
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| CN (1) | CN114604281B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221529A (en) * | 2023-04-13 | 2023-06-06 | 连云港市运国环保设备有限公司 | Muffler for ventilating duct |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206111689U (en) * | 2016-08-31 | 2017-04-19 | 北京民生牧业股份有限公司 | Impedance combined type fan sound eliminating system |
| CN212429190U (en) * | 2020-04-24 | 2021-01-29 | 江苏圣斗仕鼓风机有限公司 | Roots blower filter vat |
| CN212643888U (en) * | 2020-07-21 | 2021-03-02 | 杭州诺鸿通风设备有限公司 | Impedance composite silencer |
| CN213751948U (en) * | 2020-12-08 | 2021-07-20 | 武汉金利恒不锈钢有限公司 | Subway muffler |
-
2022
- 2022-04-06 CN CN202210357499.6A patent/CN114604281B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206111689U (en) * | 2016-08-31 | 2017-04-19 | 北京民生牧业股份有限公司 | Impedance combined type fan sound eliminating system |
| CN212429190U (en) * | 2020-04-24 | 2021-01-29 | 江苏圣斗仕鼓风机有限公司 | Roots blower filter vat |
| CN212643888U (en) * | 2020-07-21 | 2021-03-02 | 杭州诺鸿通风设备有限公司 | Impedance composite silencer |
| CN213751948U (en) * | 2020-12-08 | 2021-07-20 | 武汉金利恒不锈钢有限公司 | Subway muffler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221529A (en) * | 2023-04-13 | 2023-06-06 | 连云港市运国环保设备有限公司 | Muffler for ventilating duct |
| CN116221529B (en) * | 2023-04-13 | 2023-08-29 | 连云港市运国环保设备有限公司 | Muffler for ventilating duct |
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| Publication number | Publication date |
|---|---|
| CN114604281B (en) | 2023-08-04 |
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Address after: 214500 south head of Tuqiao, Xilai Town, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: East China Zhengda (Jiangsu) Environmental Group Co.,Ltd. Country or region after: China Address before: 214500 south head of Tuqiao, Xilai Town, Jingjiang City, Taizhou City, Jiangsu Province Patentee before: JIANGSU HUADONG ZHENGDA AIR CONDITIONING EQUIPMENT Co.,Ltd. Country or region before: China |