CN217653491U - Environment-friendly silencer of power plant - Google Patents
Environment-friendly silencer of power plant Download PDFInfo
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- CN217653491U CN217653491U CN202221790349.6U CN202221790349U CN217653491U CN 217653491 U CN217653491 U CN 217653491U CN 202221790349 U CN202221790349 U CN 202221790349U CN 217653491 U CN217653491 U CN 217653491U
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Abstract
The utility model provides an environmental protection silencer of power plant relates to silencer technical field. An environment-friendly silencer for a power plant comprises a first sound absorption pipe and a second sound absorption pipe which are coaxially arranged, wherein two ends of the second sound absorption pipe are closed and are positioned in the first sound absorption pipe; the outer side wall of the second sound absorption pipe is provided with an air inlet and an air outlet, an annular sealing plate is arranged between the first sound absorption pipe and the second sound absorption pipe, and the air inlet and the air outlet are respectively arranged on the left side and the right side of the annular sealing plate; the filter assembly is vertically arranged in the first sound absorption pipe and is positioned on the right side of the second sound absorption pipe; this noise eliminator can make the noise in intraductal multiple reflection, increases propagation distance to make the noise reduction, but also can air-purifying, some harmful substance in the filtered air, thereby the environmental protection.
Description
Technical Field
The utility model relates to a silencer technical field particularly, relates to an environmental protection silencer of power plant.
Background
In the prior art, the partial exhaust (steam) pipeline of the power plant needs to discharge water vapor and air (waste gas) slowly, and the generated noise is not particularly large due to the slow discharge speed. However, when the equipment of the power plant is a rotating machine, the equipment generates noise during normal operation, and the water vapor and air (exhaust gas) discharged from the exhaust (steam) pipeline are accompanied by the noise, so that noise interference is generated on the surroundings, and a long-term noise pollution source is formed.
The existing noise elimination measure is mainly used for reducing noise through sound absorption cotton, and the noise elimination effect achieved by adopting the mode is poor; and pollutants generated by some machining processes in the room are discharged from the exhaust (steam) pipe to pollute the outside air, so that the problems are urgently solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an environmental protection silencer of power plant can make the noise in intraductal multiple reflection, increases propagation distance to make the noise reduction, but also can air-purifying, some injurants in the filtered air, thereby the environmental protection.
The embodiment of the utility model is realized like this:
the embodiment of the application provides an environment-friendly silencer for a power plant, which comprises a first sound absorption pipe and a second sound absorption pipe which are coaxially arranged, wherein two ends of the second sound absorption pipe are closed and are positioned in the first sound absorption pipe;
an air inlet and an air outlet are arranged on the outer side wall of the second sound absorption pipe, an annular sealing plate is arranged between the first sound absorption pipe and the second sound absorption pipe, and the air inlet and the air outlet are respectively arranged on the left side and the right side of the annular sealing plate;
still include filtering component, above-mentioned filtering component is vertical to be located above-mentioned first sound absorption pipe in, and is located above-mentioned second sound absorption pipe right side.
In some embodiments of the present invention, a plurality of partition plates are vertically disposed in the second sound-absorbing pipe, and the plurality of partition plates are sequentially arranged between the air inlet and the air outlet, and an air vent is disposed on any one of the partition plates.
In some embodiments of the present invention, the air holes on any two adjacent partition boards are staggered.
In some embodiments of the present invention, the first sound absorbing layer is disposed on both ends of any one of the above-mentioned partition boards.
In some embodiments of the present invention, the filter assembly includes an annular mounting plate, a T-shaped fixing plate and a filter layer, the filter layer is disposed in the annular mounting plate, a gap is disposed on a side wall of the first sound-absorbing pipe, the gap is a semi-annular structure, and the annular mounting plate is inserted into the first sound-absorbing pipe through the gap;
the T-shaped fixing plate is fixedly arranged on the outer side wall of the annular mounting plate and is fixed on the outer side wall of the first sound absorption tube through bolts.
In some embodiments of the present invention, the first sound absorbing pipe inner side wall is provided with a notch, the notch is a semi-annular groove, and after the annular mounting plate is mounted, the upper end of the annular mounting plate is disposed on the notch.
In some embodiments of the present invention, the outer side wall of the annular mounting plate is provided with an annular sealing ring.
In some embodiments of the present invention, the filter layer is an activated carbon layer.
In some embodiments of the present invention, the first sound-absorbing pipe inner side wall is provided with a second sound-absorbing layer.
In some embodiments of the present invention, the second sound-absorbing pipe outer side wall and the inner side wall are provided with a third sound-absorbing layer.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
an environment-friendly silencer for a power plant comprises a first sound absorption pipe and a second sound absorption pipe which are coaxially arranged, wherein two ends of the second sound absorption pipe are closed and are positioned in the first sound absorption pipe, the left side of the first sound absorption pipe is communicated with an exhaust/steam exhaust pipeline of the power plant, and the right side of the first sound absorption pipe is communicated with a third sound absorption pipe; an air inlet and an air outlet are arranged on the outer side wall of the second sound absorption pipe, an annular sealing plate is arranged between the first sound absorption pipe and the second sound absorption pipe, and the air inlet and the air outlet are respectively arranged on the left side and the right side of the annular sealing plate; still include filtering component, above-mentioned filtering component is vertical to be located above-mentioned first sound absorption pipe in, and is located above-mentioned second sound absorption pipe right side.
The first sound absorption pipe is communicated with the exhaust/steam exhaust pipeline, the second sound absorption pipe is sleeved in the first sound absorption pipe, the first sound absorption pipe and the second sound absorption pipe are communicated through the air inlet hole and the air outlet hole, the second sound absorption pipe is communicated with the third sound absorption pipe, because the first sound absorption pipe and the second sound absorption pipe are coaxial, the air (steam) with noise enters the first sound absorption pipe, the noise can collide the left side wall of the second sound absorption pipe, reflect back, and propagate to two sides, then a part of the sound waves contact with the annular sealing plate to reflect for multiple times and then enter the second sound absorption pipe through the air vent, the other part of the sound waves directly enter the second sound absorption pipe, then the air outlet hole is formed in the outer side wall of the second sound absorption pipe, the sound waves in the second sound absorption pipe enter the first sound absorption pipe after multiple reflections in the second sound absorption pipe, then the sound waves can pass through the third sound absorption pipe after multiple reflections of the inner side wall of the first sound absorption pipe and the outer side wall of the second sound absorption pipe again, and thus the multiple reflection of the sound waves in the propagation process, the multiple reflection of the sound waves can be greatly increased, the noise energy consumption is greatly, and the noise can be transmitted in a certain distance, and the noise can be well used, and the noise can be reduced.
And filter assembly locates between first sound absorption pipe inner right side wall and the second sound absorption pipe right side wall vertically, and the harmful substance that carries in the gas (vapour) that comes out from the second sound absorption pipe is filtered off when the process filter assembly to avoid most harmful substance to discharge in the outside air, the contaminated air, thereby reach the purpose of environmental protection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an overall front sectional view of the present invention;
FIG. 2 is an overall front cross-sectional view of the present invention (with the filter assembly removed);
fig. 3 is a schematic structural diagram of the filtering assembly of the present invention.
Icon: 1-a first sound absorption pipe, 11-a notch, 12-a notch, 2-a second sound absorption pipe, 21-an air inlet, 22-an air outlet, 3-a third sound absorption pipe, 4-an annular sealing plate, 5-a filtering component, 51-an annular mounting plate, 52-a T-shaped fixing plate, 53-a filtering layer, 54-an annular sealing ring, 6-a partition plate, 61-an air vent, 7-a first sound absorption layer, 8-a second sound absorption layer and 9-a third sound absorption layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1-3, the embodiment provides an environmental-friendly silencer for a power plant, which includes a first sound absorbing pipe 1 and a second sound absorbing pipe 2, which are coaxially disposed, wherein both ends of the second sound absorbing pipe 2 are closed and are located in the first sound absorbing pipe 1, the left side of the first sound absorbing pipe 1 is communicated with an exhaust/steam exhaust pipeline of the power plant, and the right side of the first sound absorbing pipe 1 is communicated with a third sound absorbing pipe 3; an air inlet 21 and an air outlet 22 are provided on the outer side wall of the second sound absorbing pipe 2, an annular sealing plate 4 is provided between the first sound absorbing pipe 1 and the second sound absorbing pipe 2, and the air inlet 21 and the air outlet 22 are respectively provided on the left side and the right side of the annular sealing plate 4; still include filtering component 5, above-mentioned filtering component 5 is vertical to be located above-mentioned first sound absorption pipe 1 in, and is located above-mentioned second sound absorption pipe 2 right side.
In this embodiment, the first sound absorbing pipe 1 is communicated with the exhaust/steam exhaust pipeline, the second sound absorbing pipe 2 is sleeved in the first sound absorbing pipe 1, the first sound absorbing pipe 1 and the second sound absorbing pipe 2 are communicated with the air outlet 22 through the air inlet 21, the second sound absorbing pipe 2 is communicated with the third sound absorbing pipe 3, because the first sound absorbing pipe 1 and the second sound absorbing pipe 2 are coaxial, the noise (steam) attached with noise enters the first sound absorbing pipe 1, the noise can collide the left side wall of the second sound absorbing pipe 2, reflect back, and then propagate to both sides, then a part of sound waves contact with the annular sealing plate 4 and reflect for multiple times and then enter the second sound absorbing pipe 2 through the vent hole 61, the other part of sound waves directly enter the second sound absorbing pipe 2, then the air outlet 22 is arranged on the outer side wall of the second sound absorbing pipe 2, the sound waves in the second sound absorbing pipe 2 enter the first sound absorbing pipe 1 after being reflected for multiple times in the second sound absorbing pipe 2, then the sound waves can pass through the inner side wall of the first sound absorbing pipe 1 and the second sound absorbing pipe 2, and the energy of the sound absorbing pipe 2 can be further consumed by multiple reflections, thereby the noise can be greatly reducing the noise in the sound absorbing pipe 3 and the noise emission effect of the sound absorbing pipe.
And filter assembly 5 is vertical to be located in first sound absorption pipe 1 between the right side wall and the second sound absorption pipe 2 right side wall, and the harmful substance that carries in the gas (vapour) that comes out from second sound absorption pipe 2 is when passing through filter assembly 5, and the majority can be filtered down to avoid most harmful substance to discharge in the outside air, the contaminated air, thereby reach the purpose of environmental protection.
Specifically, the air inlets 21 and the air outlets 22 are all multiple, and the multiple air inlets 21 and the multiple air outlets 22 are uniformly distributed on the peripheral side wall of the second sound absorbing pipe 2.
Further, in some embodiments of the present invention, a plurality of partition plates 6 are vertically disposed in the second sound absorbing pipe 2, the plurality of partition plates 6 are sequentially arranged between the air inlet 21 and the air outlet 22, and a vent hole 61 is disposed on any one of the partition plates 6.
In the above embodiment, the arrangement of the vertical partition plates 6 enables the sound wave to be reflected multiple times in the second sound absorbing pipe 2 when the moisture (steam) carrying noise passes through the second sound absorbing pipe 2, so that the energy of the sound wave is consumed, and the purpose of reducing noise is achieved.
Further, in some embodiments of the present embodiment, the ventilation holes 61 on any two adjacent partition boards 6 are arranged in a staggered manner.
In the above embodiment, the vent holes 61 of any two adjacent partition boards 6 are arranged alternately, so that the sound wave enters the area between the first partition board 6 and the second partition board 6 through the vent holes 61 of the first partition board 6, and if the sound wave enters the area between the second partition board 6 and the third partition board 6 through the vent holes 61 of the second partition board 6 again, the sound wave is reflected between the first partition board 6 and the second partition board 6 for multiple times, and then enters the area between the second partition board 6 and the third partition board 6, and the sound wave is circulated until the noise exits from the second sound absorption pipe 2, so that the noise can be further repeated in the second sound absorption pipe 2, the noise energy can be further consumed, and the use effect is better.
In some embodiments of the present embodiment, a first sound absorbing layer 7 is provided on both side ends of any one of the above-described partition plates 6.
In the above embodiment, the first sound absorbing layer 7 is disposed on each of the two side ends of any one of the partition plates 6, and when sound waves are reflected between the two partition plates 6 in the second sound absorbing pipe 2, the sound waves are continuously absorbed by the first sound absorbing layer 7, so that the energy of noise is further reduced, and the noise is reduced; specifically, the first sound absorbing layer 7 may be a commercially available sound absorbing cotton layer.
Further, in some embodiments of the present invention, the filter assembly 5 includes a ring-shaped mounting plate 51, a T-shaped fixing plate 52 and a filter layer 53, the filter layer 53 is disposed in the ring-shaped mounting plate 51, a notch 11 is disposed on a sidewall of the first sound-absorbing pipe 1, the notch 11 is a semi-ring structure, and the ring-shaped mounting plate 51 is inserted into the first sound-absorbing pipe 1 through the notch 11; the T-shaped fixing plate 52 is fixed to the outer side wall of the annular mounting plate 51, and the T-shaped fixing plate 52 is fixed to the outer side wall of the first sound absorbing pipe 1 by bolts.
In the above embodiment, annular mounting plate 51 installs filter layer 53, and annular mounting plate 51 inserts in first sound absorbing pipe 1 from breach 11, until annular mounting plate 51 lateral wall and first sound absorbing pipe 1 inside wall looks butt, then fix T type fixed plate 52 at first sound absorbing pipe 1 lateral wall through the bolt, thereby realize dismantling between annular mounting plate 51 and the first sound absorbing pipe 1, thereby filter layer 53 filters after a period, can change, thereby resume filtering capability, avoid filter layer 53 to be blockked up by harmful substance, thereby it is not good to lead to first sound absorbing pipe 1 to give vent to anger (vapour) effect.
Specifically, the transverse plate of the T-shaped fixing plate 52 is an arc-shaped plate, and is the same as the arc shape of the outer side wall of the first sound absorbing pipe 1, so that when the T-shaped fixing plate 52 is connected to the first sound absorbing pipe 1 through the bolt, the T-shaped fixing plate 52 can be attached to the outer side wall of the first sound absorbing pipe 1, and the fixing is stable.
In particular, the filter layer 53 may be fixed in the annular mounting plate 51 by gluing or snapping.
In some embodiments of the present invention, a notch 12 is formed in an inner side wall of the first sound absorbing pipe 1, the notch 12 is a semi-annular groove, and an upper end portion of the annular mounting plate 51 is disposed on the notch 12 after the annular mounting plate 51 is mounted.
In the above embodiment, the semi-annular groove is provided, so that the annular mounting plate 51 can be stably fixed in the first sound absorbing pipe 1 during installation, and the fixing is convenient.
In some embodiments of the present embodiment, the outer side wall of the annular mounting plate 51 is provided with an annular sealing ring 54.
In the above embodiment, the annular sealing ring 54 is provided, so that when the annular mounting plate 51 is mounted on the first sound absorbing pipe 1, the sealing performance is better, and air tightness is ensured in the using process; specifically, the first sealing ring may be fixed on the annular mounting plate 51 by gluing, so as to ensure that the annular sealing ring 54 is fixed and sealed stably.
In some embodiments of this embodiment, the filter layer 53 is an activated carbon layer.
In the above embodiment, the activated carbon can adsorb harmful gases (such as chlorine, benzene or ammonia) in the air due to its own structure, and can also filter large particulate matters, thereby achieving the purpose of purifying the air and achieving a good use effect.
Further, in some embodiments of the present embodiment, the inner side walls of the first sound-absorbing pipe 1 are provided with a second sound-absorbing layer 8.
In the above embodiment, when the noise is reflected inside the first sound absorbing pipe 1, part of the noise is absorbed by the second sound absorbing layer 8, so as to further achieve the purpose of reducing the noise, and the use effect is good, specifically, the second sound absorbing layer 8 may be a commercially available sound absorbing cotton layer.
Further, in some embodiments of the present embodiment, the third sound-absorbing layer 9 is disposed on both the outer side wall and the inner side wall of the second sound-absorbing pipe 2.
In the above embodiment, the third sound absorbing layer 9 is disposed on both the outer side wall and the inner side wall of the second sound absorbing pipe 2, so that when noise collides and reflects with the inner side wall and the outer side wall of the second sound absorbing pipe 2, part of energy of the noise can be absorbed, thereby achieving the purpose of reducing the noise, and the use effect is good; specifically, the third sound absorbing layer 9 may be a commercially available sound absorbing cotton layer.
To sum up, the embodiment of the present invention provides an environmental protection muffler for a power plant, which comprises a first sound absorbing pipe 1 and a second sound absorbing pipe 2 coaxially disposed, wherein two ends of the second sound absorbing pipe 2 are closed and located in the first sound absorbing pipe 1, the left side of the first sound absorbing pipe 1 is communicated with an exhaust/steam exhaust pipeline of the power plant, and the right side of the first sound absorbing pipe 1 is communicated with a third sound absorbing pipe 3; an air inlet 21 and an air outlet 22 are provided on the outer side wall of the second sound absorbing pipe 2, an annular sealing plate 4 is provided between the first sound absorbing pipe 1 and the second sound absorbing pipe 2, and the air inlet 21 and the air outlet 22 are respectively provided on the left side and the right side of the annular sealing plate 4; still include filtering component 5, above-mentioned filtering component 5 is vertical to be located above-mentioned first sound absorption pipe 1 in, and is located above-mentioned second sound absorption pipe 2 right side.
The first sound absorption pipe 1 is communicated with an exhaust/steam exhaust pipeline, the second sound absorption pipe 2 is sleeved in the first sound absorption pipe 1, the first sound absorption pipe 1 and the second sound absorption pipe 2 are communicated through an air inlet hole and an air outlet hole, the second sound absorption pipe 2 is communicated with the third sound absorption pipe 3, because the first sound absorption pipe 1 and the second sound absorption pipe 2 are coaxial, after air (steam) with noise enters the first sound absorption pipe 1, the noise can collide the left side wall of the second sound absorption pipe 2, the noise is reflected back, the noise is spread to two sides, then a part of the sound waves contact and are reflected for multiple times with the annular sealing plate 4, then the sound waves enter the second sound absorption pipe 2 through the air vent 61, the other part of the sound waves directly enter the second sound absorption pipe 2, then the air outlet hole is formed in the outer side wall of the second sound absorption pipe 2, the sound waves in the second sound absorption pipe 2 enter the first sound absorption pipe 1 after being reflected for multiple times in the second sound absorption pipe 2, then the sound waves can pass through the inner side wall of the first sound absorption pipe 1 and the outer side wall of the second sound absorption pipe 2 again, the third sound absorption pipe 3 after being reflected for multiple times, the sound waves, the sound absorption pipe 2, the sound waves, the sound absorption pipe can be greatly reduced in the sound absorption effect of the sound absorption pipe, and the noise can be consumed in the multiple times, and the noise in the sound absorption pipe, and the noise transmission, and the noise can be greatly reduced in the noise transmission process, and the noise can be greatly reduced.
And filter assembly 5 is vertical to be located in first sound absorption pipe 1 between right side wall and the second sound absorption pipe 2 right side wall, and the harmful substance who carries in the gas (vapour) that comes out in the second sound absorption pipe 2 is when through filter assembly 5, and most can be filtered down to avoid most harmful substance to discharge in the outside air, contaminated air, thereby reach the purpose of environmental protection.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an environmental protection silencer of power plant which characterized in that: the device comprises a first sound absorption pipe and a second sound absorption pipe which are coaxially arranged, wherein two ends of the second sound absorption pipe are closed and are positioned in the first sound absorption pipe, the left side of the first sound absorption pipe is communicated with an exhaust/steam exhaust pipeline of a power plant, and the right side of the first sound absorption pipe is communicated with a third sound absorption pipe;
the outer side wall of the second sound absorption pipe is provided with an air inlet and an air outlet, an annular sealing plate is arranged between the first sound absorption pipe and the second sound absorption pipe, and the air inlet and the air outlet are respectively arranged on the left side and the right side of the annular sealing plate;
the filter assembly is vertically arranged in the first sound absorption pipe and is positioned on the right side of the second sound absorption pipe.
2. The environmental-friendly muffler for a power plant according to claim 1, wherein: the second is inhaled the intraductal vertical a plurality of baffles that are provided with, and is a plurality of the baffle is arranged in proper order and is located the air inlet with between the gas outlet, just arbitrary one all be equipped with the air vent on the baffle.
3. The environmental-friendly muffler for a power plant according to claim 2, wherein: the vent holes on any two adjacent partition plates are arranged in a staggered mode.
4. The environmental-friendly muffler for a power plant according to claim 2, wherein: and the two side ends of any one of the partition plates are provided with first sound absorption layers.
5. The power plant environmental protection muffler according to claim 1, wherein: the filter assembly comprises an annular mounting plate, a T-shaped fixing plate and a filter layer, the filter layer is arranged in the annular mounting plate, a notch is formed in the side wall of the first sound-absorbing pipe, the notch is of a semi-annular structure, and the annular mounting plate is inserted into the first sound-absorbing pipe through the notch;
the T-shaped fixing plate is fixedly arranged on the outer side wall of the annular mounting plate and fixed on the outer side wall of the first sound absorption tube through bolts.
6. The environmental-friendly muffler for a power plant according to claim 5, wherein: the first sound absorption pipe inside wall is equipped with the notch, the notch is the semi-annular groove, just after the annular mounting panel installation, annular mounting panel upper end is located on the notch.
7. The environmental-friendly muffler for a power plant according to claim 6, wherein: and the outer side wall of the annular mounting plate is provided with an annular sealing ring.
8. The power plant environmental protection muffler according to claim 5, wherein: the filter layer is an activated carbon layer.
9. The environmental-friendly muffler for a power plant according to claim 1, wherein: and the inner side wall of the first sound absorption pipe is provided with a second sound absorption layer.
10. The environmental-friendly muffler for a power plant according to claim 1, wherein: and the outer side wall and the inner side wall of the second sound absorption pipe are both provided with a third sound absorption layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221790349.6U CN217653491U (en) | 2022-07-11 | 2022-07-11 | Environment-friendly silencer of power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221790349.6U CN217653491U (en) | 2022-07-11 | 2022-07-11 | Environment-friendly silencer of power plant |
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| Publication Number | Publication Date |
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| CN217653491U true CN217653491U (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221790349.6U Active CN217653491U (en) | 2022-07-11 | 2022-07-11 | Environment-friendly silencer of power plant |
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| Country | Link |
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| CN (1) | CN217653491U (en) |
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2022
- 2022-07-11 CN CN202221790349.6U patent/CN217653491U/en active Active
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