Exhaust silencer for high-pressure gas
Through the double-layer structure exhaust muffler, combined with the pressure-down diffusion tube and the honeycomb flexible buffer layer, the problem of poor noise silence effect during high-pressure gas emissions is solved, and the level four-level noise silence and stability are improved, reducing noise pollution.
Patent Information
- Application Number
- CN202421718150.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The existing exhaust mufflers have poor noise silence when high-pressure gas is discharged and cannot effectively reduce noise to less than 30 decibels, resulting in serious noise pollution.
The muffler body adopts a double-layer structure, including an outer shell and an inner shell, is equipped with exhaust micro-holes one on the outer shell, and exhaust micro-holes two on the inner shell, which combines the pressure-reducing diffusion tube, pressure relief micro-holes and honeycomb flexible noise reduction buffer layer to achieve four-level noise silencing, and improves connection stability by reinforcing the disk.
Four-level noise silencing is achieved, reducing noise to less than 30 decibels, improving the stability and installation convenience of the muffler, and enhancing the exhaust cushioning effect.
Smart Images
Figure CN223120972U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of exhaust mufflers, in particular to an exhaust muffler for high-pressure gas. Background Art
[0002] When the steam boiler is directly vented during production and debugging, noise will be generated when the gas is discharged at high speed. Generally, the noise of high-pressure discharge is greater than 110 decibels. High-decibel noise can cause great harm to human health and even endanger human life in severe cases.
[0003] At present, an exhaust muffler is usually installed at the exhaust end of the equipment to achieve sound attenuation and noise reduction, so that the exhaust noise is below 30 decibels. Most of the exhaust mufflers currently used are single-layer tank structures with exhaust micropores on the surface of the tank. The overall sound-absorbing effect needs to be improved. Therefore, the present application proposes a high-pressure gas exhaust muffler to further improve the sound-absorbing effect and reduce noise pollution. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an exhaust muffler for high-pressure gas, which effectively solves the problem that the existing exhaust muffler has poor silencing effect.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust muffler for high-pressure gas, comprising a muffler body, a muffler inlet pipe being fixedly provided at one end of the muffler body, a flange plate being fixedly provided at one end of the muffler inlet pipe away from the muffler body, the muffler body being composed of an outer shell and an inner shell, the inner shell being connected to the interior of the outer shell, a plurality of exhaust micropores 1 being provided on the outer shell, a plurality of exhaust micropores 2 being provided on the inner shell, one end of the muffler inlet pipe extending to the interior of the muffler body, and a pressure-reducing diffuser located inside the inner shell being fixedly provided at one end of the muffler inlet pipe.
[0006] Preferably, a plurality of pressure relief micro-holes are provided on the muffler inlet pipe, a pressure relief shell is sleeved on the muffler inlet pipe, a plurality of exhaust micro-holes are provided on the pressure relief shell, and the pressure relief shell is welded to the muffler inlet pipe.
[0007] Preferably, a plurality of reinforcing disc bodies 1 are arranged between the outer shell and the inner shell, a plurality of through holes 1 are opened on the reinforcing disc bodies 1, and the reinforcing disc bodies 1 and the outer shell and the inner shell are all welded connection structures.
[0008] Preferably, a second reinforcing plate is provided between the pressure-reducing diffuser and the inner shell, a plurality of second through holes are provided on the second reinforcing plate, and the second reinforcing plate, the inner shell and the pressure-reducing diffuser are all connected by welding.
[0009] Preferably, flexible noise reduction buffer layers are fixedly arranged on the inner side walls of the outer shell, the inner shell and the pressure relief shell, and the flexible noise reduction buffer layers are of a honeycomb structure.
[0010] Preferably, one end of the bottom of the muffler body is fixedly provided with a mounting support one, the other end of the bottom of the muffler body is fixedly provided with a mounting support two, a plurality of bolt mounting holes are formed in both the mounting support one and the mounting support two, and the mounting support one and the mounting support two are both of a welded connection structure with the muffler body.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] (1) During operation, by providing the outer shell, the inner shell, the first exhaust micropores, the second exhaust micropores, the pressure reduction and diffusion pipe, the pressure relief micropores, the pressure relief shell and the third exhaust micropores, four-stage noise reduction can be achieved, avoiding direct local impact of high-pressure gas on the outer shell and affecting the noise reduction effect. By providing the flexible noise reduction buffer layer of honeycomb structure, the exhaust buffer effect can be improved, and the noise reduction effect can be further enhanced;
[0013] (2) By providing the first reinforcing disk body, the first through hole, the second reinforcing disk body and the second through hole, the connection stability between the pressure reduction and diffusion pipe and the inner shell and between the outer shell and the inner shell can be improved. By providing the mounting support one and the mounting support two, it is convenient to install and fix the muffler body. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model, and do not constitute a limitation to the utility model.
[0015] In the drawings:
[0016] Figure 1 is a schematic structural diagram of the exhaust muffler for high-pressure gas of the utility model;
[0017] Figure 2 is a schematic internal structural diagram of the exhaust muffler for high-pressure gas of the utility model;
[0018] Figure 3 is a cross-sectional view of the outer shell of the utility model;
[0019] In the figure: 1, muffler body; 2, muffler inlet connection pipe; 3, flange plate; 4, outer shell; 5, inner shell; 6, first exhaust micropores; 7, second exhaust micropores; 8, pressure reduction and diffusion pipe; 9, pressure relief micropores; 10, pressure relief shell; 11, third exhaust micropores; 12, first reinforcing disk body; 13, first through hole; 14, second reinforcing disk body; 15, second through hole; 16, flexible noise reduction buffer layer; 17, mounting support one; 18, mounting support two; 19, bolt mounting holes. Detailed implementation manners
[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part rather than all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0021] Consisted of Figure 1 And Figure 2 shown, an exhaust muffler for high-pressure gas of the present utility model includes a muffler body 1. One end of the muffler body 1 is fixedly provided with a muffler inlet connecting pipe 2. One end of the muffler inlet connecting pipe 2 away from the muffler body 1 is fixedly provided with a flange plate 3. The muffler body 1 is composed of an outer shell 4 and an inner shell 5. The inner shell 5 is connected to the inside of the outer shell 4. A plurality of first exhaust micropores 6 are formed in the outer shell 4. A plurality of second exhaust micropores 7 are formed in the inner shell 5. One end of the muffler inlet connecting pipe 2 extends into the muffler body 1. One end of the muffler inlet connecting pipe 2 is fixedly provided with a pressure-reducing diffusing pipe 8 located inside the inner shell 5. A plurality of pressure-relief micropores 9 are formed in the muffler inlet connecting pipe 2. A pressure-relief housing 10 is sleeved on the muffler inlet connecting pipe 2. A plurality of third exhaust micropores 11 are formed in the pressure-relief housing 10. The pressure-relief housing 10 is welded to the muffler inlet connecting pipe 2;
[0022] The high-pressure gas enters the inside of the muffler body 1 through the muffler inlet connecting pipe 2. At this time, a part of the gas is directly discharged through the pressure-reducing diffusing pipe 8, and the pressure-relief effect can be achieved through the pressure-reducing diffusing pipe 8. Another part of the gas is discharged into the inside of the pressure-relief housing 10 through the pressure-relief micropores 9 to achieve secondary pressure-relief and noise reduction. The gas is discharged through the second exhaust micropores 7 on the inner shell 5 to achieve tertiary noise reduction. Finally, the gas is discharged through the first exhaust micropores 6. At this time, the gas pressure reaches the minimum, achieving quaternary noise reduction and reducing the generation of noise;
[0023] Consisted of Figures 1 to 3There are several first reinforcing discs 12 arranged between the outer housing 4 and the inner housing 5. A number of first through holes 13 are formed in the first reinforcing discs 12. The first reinforcing discs 12 are both welded to the outer housing 4 and the inner housing 5. There is a second reinforcing disc 14 arranged between the pressure-reducing diffusion pipe 8 and the inner housing 5. A number of second through holes 15 are formed in the second reinforcing disc 14. The second reinforcing disc 14 is both welded to the inner housing 5 and the pressure-reducing diffusion pipe 8. Flexible noise-reducing buffer layers 16 are fixedly arranged on the inner side walls of the outer housing 4, the inner housing 5 and the pressure-relief housing 10. The flexible noise-reducing buffer layers 16 are of honeycomb structure. At one end of the bottom of the muffler body 1, a first mounting seat 17 is fixedly arranged. At the other end of the bottom of the muffler body 1, a second mounting seat 18 is fixedly arranged. A number of bolt mounting holes 19 are formed in both the first mounting seat 17 and the second mounting seat 18. The first mounting seat 17 and the second mounting seat 18 are both welded to the muffler body 1;
[0024] The first reinforcing discs 12 can improve the connection stability between the outer housing 4 and the inner housing 5. The second reinforcing discs 14 can improve the connection stability between the pressure-reducing diffusion pipe 8 and the inner housing 5. The first through holes 13 and the second through holes 15 can improve the gas permeability, making the gas distribution uniform. Through the flexible noise-reducing buffer layers 16 of honeycomb structure, it can have a certain buffering effect when the gas is discharged, further improving the noise reduction effect. The muffler body 1 can be installed through the first mounting seat 17 and the second mounting seat 18.
[0025] During operation, by providing the outer housing, the inner housing, the first exhaust micro-holes, the second exhaust micro-holes, the pressure-reducing diffusion pipe, the pressure-relief micro-holes, the pressure-relief housing and the third exhaust micro-holes, four-stage noise reduction can be achieved, avoiding direct local impact of high-pressure gas on the outer housing and affecting the noise reduction effect. By providing the flexible noise-reducing buffer layers of honeycomb structure, the exhaust buffering effect can be improved, further enhancing the noise reduction effect; by providing the first reinforcing discs, the first through holes, the second reinforcing discs and the second through holes, the connection stability between the pressure-reducing diffusion pipe and the inner housing as well as between the outer housing and the inner housing can be improved. By providing the first mounting seat and the second mounting seat, it is convenient to install and fix the muffler body.
Claims
1. An exhaust muffler for high-pressure gas, comprising a muffler body (1), characterized in that: One end of the muffler body (1) is fixedly provided with a muffler inlet connecting pipe (2). One end of the muffler inlet connecting pipe (2) far away from the muffler body (1) is fixedly provided with a flange plate (3). The muffler body (1) is composed of an outer shell (4) and an inner shell (5). The inner shell (5) is connected to the inside of the outer shell (4). A number of first exhaust micropores (6) are provided on the outer shell (4). A number of second exhaust micropores (7) are provided on the inner shell (5). One end of the muffler inlet connecting pipe (2) extends into the muffler body (1). One end of the muffler inlet connecting pipe (2) is fixedly provided with a pressure-reducing diffuser pipe (8) located inside the inner shell (5).
2. The exhaust muffler for high-pressure gas according to claim 1, characterized in that: A number of pressure relief micropores (9) are provided on the muffler inlet connecting pipe (2). A pressure relief housing (10) is sleeved on the muffler inlet connecting pipe (2). A number of third exhaust micropores (11) are provided on the pressure relief housing (10). The pressure relief housing (10) is welded to the muffler inlet connecting pipe (2).
3. The exhaust muffler for high-pressure gas according to claim 1, characterized in that: A number of first reinforcing discs (12) are provided between the outer shell (4) and the inner shell (5). A number of first through holes (13) are provided on the first reinforcing discs (12). The first reinforcing discs (12) are welded to both the outer shell (4) and the inner shell (5).
4. The exhaust muffler for high-pressure gas according to claim 1, characterized in that: A second reinforcing disc (14) is provided between the pressure-reducing diffuser pipe (8) and the inner shell (5). A number of second through holes (15) are provided on the second reinforcing disc (14). The second reinforcing disc (14) is welded to both the inner shell (5) and the pressure-reducing diffuser pipe (8).
5. The exhaust muffler for high-pressure gas according to claim 1, wherein: Flexible noise-reducing buffer layers (16) are fixedly provided on the inner side walls of the outer shell (4), the inner shell (5) and the pressure relief housing (10). The flexible noise-reducing buffer layers (16) are of honeycomb structure.
6. The exhaust muffler for high-pressure gas according to claim 1, wherein: One end of the bottom of the muffler body (1) is fixedly provided with a first mounting support (17). The other end of the bottom of the muffler body (1) is fixedly provided with a second mounting support (18). A number of bolt mounting holes (19) are provided on both the first mounting support (17) and the second mounting support (18). The first mounting support (17) and the second mounting support (18) are welded to the muffler body (1).