CN219993771U - Novel water-air mixing wet muffler for high-speed boat - Google Patents
Novel water-air mixing wet muffler for high-speed boat Download PDFInfo
- Publication number
- CN219993771U CN219993771U CN202320439301.9U CN202320439301U CN219993771U CN 219993771 U CN219993771 U CN 219993771U CN 202320439301 U CN202320439301 U CN 202320439301U CN 219993771 U CN219993771 U CN 219993771U
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- muffler
- water
- wet
- pipeline
- exhaust
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- 238000002156 mixing Methods 0.000 title claims abstract description 40
- 239000000498 cooling water Substances 0.000 claims abstract description 22
- 230000003584 silencer Effects 0.000 claims description 13
- 230000030279 gene silencing Effects 0.000 claims description 12
- 241000486679 Antitype Species 0.000 claims description 8
- 238000000889 atomisation Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 27
- 230000008030 elimination Effects 0.000 abstract description 10
- 238000003379 elimination reaction Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model discloses a novel water-air mixing wet muffler for a high-speed boat, which consists of three parts, wherein the first part is a diesel engine waste gas and host cooling water mixing pipeline; the second part is an anti-noise elimination cylinder, and the third part is a mixed discharge pipeline. According to the utility model, the main engine cooling water is atomized through the water-air mixing pipeline and then sprayed on the main engine high-temperature exhaust port to cool the main engine exhaust gas temperature, and the main engine cooling water enters the anti-noise elimination cylinder to reduce exhaust noise after being mixed and is discharged out of the ship from the outlet. The water-air mixing wet muffler for the high-speed boat can effectively reduce exhaust noise, reduce the influence of impedance of the muffler cylinder on exhaust back pressure of a host machine, and fully utilize cabin space in a ceiling type installation mode.
Description
Technical Field
The utility model relates to the field of wet silencers, in particular to a novel water-air mixing wet silencer for a high-speed boat.
Background
The wet silencer is more common in use on yachts or business yachts at home and abroad, and has remarkable effect on improving the comfort level of the yachts. Conventional wet-type silencers often adopt a water lifting type silencing barrel structure, the type of silencers are required to be generally installed on a floor platform of a boat cabin, part of walkways and floor areas are required to be occupied, and equipment arrangement is not facilitated for the boat cabin with a compact structure. Meanwhile, the exhaust pressure of the host machine needs to be increased to the high rear part of the cooling water pressure so as to be discharged out of the boat, so that the exhaust back pressure can be increased, and the operation of the host machine is not facilitated.
Disclosure of Invention
The utility model aims to solve the technical problems that the functions of cooling and noise reduction of the exhaust are realized on the premise of not influencing the exhaust back pressure of a host and occupying the floor space of a cabin; the novel water-air mixing wet muffler for the high-speed boat can effectively reduce exhaust noise, reduce the influence of impedance of the muffler cylinder on exhaust back pressure of a host machine, and fully utilize cabin space in a ceiling type installation mode.
The above object of the present utility model is achieved by the following technical solutions:
a novel water-gas mixing wet muffler for a high-speed boat comprises a water-gas mixing pipeline, a muffler body and a wet exhaust pipeline which are communicated in sequence;
the water-gas mixing pipeline is arranged into an inner sleeve structure and an outer sleeve structure: the muffler comprises an outer-layer cooling water inlet pipe and an inner-layer exhaust gas inlet pipe, wherein an atomization pore plate is fixed between the exhaust gas inlet pipe and the cooling water inlet pipe, one end of the cooling water inlet pipe extending into the muffler body is connected with an elastic waterproof backflow baffle, the cooling water inlet pipe is positioned at one side of the atomization pore plate, which is away from a wet exhaust gas pipeline, and a water-gas mixing area is formed in an area section between the atomization pore plate and the elastic waterproof backflow baffle;
the anti-type silencer is characterized in that a conical anti-type silencing barrel is fixed in the silencer body, one end of a large opening of the conical anti-type silencing barrel faces to the water-gas mixing pipeline, and one end of a small opening of the conical anti-type silencing barrel faces to the wet type exhaust pipeline.
The present utility model may be further configured in a preferred example to: the water-gas mixing pipeline and the wet exhaust pipeline are respectively positioned above and below the central axis of the muffler body.
The present utility model may be further configured in a preferred example to: the anti formula of toper silencing pot coaxial sleeve establishes in the silencer body, and the big open end outer edge of anti formula of toper silencing pot is laminated fixedly with silencer body inner wall.
The present utility model may be further configured in a preferred example to: the two ends of the muffler body are provided with arc-shaped inner walls
The present utility model may be further configured in a preferred example to: the top of the elastic waterproof backflow baffle is bent to form a connecting flange, the connecting flange is fixed with the inner top wall of the muffler body through bolts, and the outer wall surface of the elastic waterproof backflow baffle, deviating from the water-gas mixing pipeline, is fixed with a balancing weight.
The present utility model may be further configured in a preferred example to: the balancing weight is set to high temperature resistant silicon rubber plate, high temperature resistant silicon rubber plate is fixed with elasticity waterproof backward flow baffle bolt.
The beneficial technical effects of the utility model are as follows: the traditional water lifting type muffler is changed into a water-air mixing wet type muffler, and the muffler cylinder is combined with the wet type exhaust pipe, so that the structure of an exhaust system is simplified, and the space utilization rate of a cabin is improved; the elastic waterproof backflow baffle is added, so that the traditional floor installation mode can be changed into suspended ceiling type installation, and occupation of cabin floor space is reduced; the fully atomized water-gas mixing pipeline can enable the low-temperature cooling water and the high-temperature waste gas to fully exchange heat, so that the effect of reducing the exhaust temperature of the main engine is achieved; the conical anti-noise elimination cylinder can offset the energy of each high-frequency and low-frequency exhaust sound wave by changing the air flow cross section area and the air cavity volume, so as to achieve the noise reduction effect; through simulating the resistance pressure drop and the temperature of the muffler, the structure of the muffler is optimized, and finally the muffler meeting the use requirement is obtained.
Drawings
Fig. 1 is a schematic view of the muffler structure of the present utility model.
Fig. 2 is a cross-sectional perspective view of the muffler of the present utility model.
Fig. 3 is a simulated view of the muffler resistance of the present utility model.
Fig. 4 is a muffler temperature profile of the present utility model.
In the figure, 1, a water-gas mixing pipeline; 11. a cooling water inlet pipe; 12. an exhaust gas intake pipe; 13. an atomization orifice plate; 14. a water-gas mixing zone; 2. a muffler body; 3. a wet exhaust duct; 4. elastic waterproof backflow baffle; 41. connecting and flanging; 42. and 5, a conical anti-noise elimination cylinder.
Detailed Description
The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.
Referring to fig. 1 to 4, the novel water-gas mixing wet muffler for the high-speed boat disclosed by the utility model comprises a water-gas mixing pipeline 1, a muffler body 2 and a wet exhaust pipeline 3 which are communicated in sequence.
The water-gas mixing pipeline 1 is arranged into an inner sleeve structure and an outer sleeve structure: including outer cooling water inlet tube 11 and the waste gas intake pipe 12 of inlayer, be fixed with atomizing orifice plate 13 between waste gas intake pipe 12 and the cooling water inlet tube 11, the cooling water inlet tube 11 stretches into the inside one end of silencer body 2 and is connected with the waterproof baffle that flows backward of elasticity 4, and cooling water inlet tube 11 is located atomizing orifice plate 13 and deviates from wet-type exhaust pipe 3 one side, and water-gas mixing pipeline 1 is formed with water-gas mixing district 14 at the regional section between atomizing orifice plate 13 and the waterproof baffle that flows backward of elasticity 4.
The inside of the muffler body 2 is fixed with a conical anti-noise elimination tube 5, one end of the conical anti-noise elimination tube 5 with a large opening faces the water-gas mixing pipeline 1, and one end of the small opening faces the wet exhaust pipeline 3. The conical anti-noise elimination cylinder 5 is coaxially sleeved in the muffler body 2, and the outer edge of the large opening end of the conical anti-noise elimination cylinder 5 is attached to the inner wall of the muffler body 2 and welded and fixed.
The water-gas mixing pipe 1 and the wet exhaust pipe 3 are respectively positioned above and below the central axis of the muffler body 2. The two ends of the muffler body 2 are provided with arc-shaped inner walls.
The top end of the elastic waterproof backflow baffle is fixed with the muffler body 2 to form an elastic sheet structure, the tail end of the cooling water inlet pipe 11 is a chamfer surface, and the elastic waterproof backflow baffle 4 is shielded at the tail end of the water-air mixing pipeline 1. The top of the elastic waterproof backflow baffle 4 is bent to form a connecting flange 41, the connecting flange 41 is fixed with the inner top wall of the muffler body 2 through bolts, and a balancing weight 42 is fixed on the outer wall surface of the elastic waterproof backflow baffle 4, which is away from the water-gas mixing pipeline 1. The balancing weight 42 is set to be a high temperature resistant silicon rubber plate, and the high temperature resistant silicon rubber plate is fixed with an elastic waterproof backflow baffle bolt. Under the non-working state, the elastic waterproof backflow baffle 4 can shield the port of the water-air mixing pipeline 1 under the action of the balancing weight 42, but can be conveniently sprung to open the pipe orifice under the action of mixed water vapor of the waste gas cooling water.
The beneficial technical effects of the utility model are as follows: the traditional water lifting type muffler is changed into a water-air mixing wet type muffler, and the muffler cylinder is combined with the wet type exhaust pipe, so that the structure of an exhaust system is simplified, and the space utilization rate of a cabin is improved; the elastic waterproof backflow baffle 4 is added, so that the traditional floor installation mode can be changed into ceiling type installation, and occupation of cabin floor space is reduced; the fully atomized water-gas mixing pipeline 1 can enable the low-temperature cooling water and the high-temperature waste gas to fully exchange heat, so as to achieve the effect of reducing the exhaust temperature of the main engine; the conical anti-noise elimination cylinder 5 counteracts the energy of each high-frequency and low-frequency exhaust sound wave by changing the air flow cross section area and the air cavity volume, so as to achieve the noise reduction effect; by simulating the resistance pressure drop and the temperature of the muffler (see fig. 3 and 4), the structure of the muffler is optimized, and finally the muffler meeting the use requirements is obtained.
Materials of the device: the muffler is manufactured by welding a 316L stainless steel plate, and the elastic waterproof backflow baffle 4 is manufactured by adopting a high-temperature-resistant silicon rubber plate.
The manufacturing steps of the device are as follows: 1. the method comprises the steps of selecting a stainless steel plate to be pressed into a hemispherical surface, perforating on the cross section, welding an inner sleeve and an outer sleeve of a water-gas mixing end, welding a cooling water inlet pipe 11, welding an atomization pore plate 13 between the inner sleeve and the outer sleeve, and welding an elastic waterproof backflow baffle 4. 2. Stainless steel plate is round, and a conical anti-noise elimination cylinder 5 is welded. 3. And pressing the stainless steel into a semicircle sphere, and welding a wet-type exhaust outlet. 4. And welding the water-gas mixing water inlet pipe, the silencing pot and the exhaust outlet.
The novel water-gas mixing wet silencer for the high-speed boat, disclosed by the utility model, can be universally used for most 300-600 kW high-speed diesel motor boats, can be also derived from other models, and is suitable for high-speed diesel motor boats of other power sections.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (6)
1. The utility model provides a novel wet-type silencer is mixed with water and gas for high-speed boat which characterized in that: comprises a water-gas mixing pipeline, a muffler body and a wet exhaust pipeline which are communicated in sequence;
the water-gas mixing pipeline is arranged into an inner sleeve structure and an outer sleeve structure: the muffler comprises an outer-layer cooling water inlet pipe and an inner-layer exhaust gas inlet pipe, wherein an atomization pore plate is fixed between the exhaust gas inlet pipe and the cooling water inlet pipe, one end of the cooling water inlet pipe extending into the muffler body is connected with an elastic waterproof backflow baffle, the cooling water inlet pipe is positioned at one side of the atomization pore plate, which is away from a wet exhaust gas pipeline, and a water-gas mixing area is formed in an area section between the atomization pore plate and the elastic waterproof backflow baffle;
the anti-type silencer is characterized in that a conical anti-type silencing barrel is fixed in the silencer body, one end of a large opening of the conical anti-type silencing barrel faces to the water-gas mixing pipeline, and one end of a small opening of the conical anti-type silencing barrel faces to the wet type exhaust pipeline.
2. The novel water-air hybrid wet muffler for a high-speed boat according to claim 1, wherein: the water-gas mixing pipeline and the wet exhaust pipeline are respectively positioned above and below the central axis of the muffler body.
3. The novel water-air hybrid wet muffler for a high-speed boat according to claim 2, wherein: the anti formula of toper silencing pot coaxial sleeve establishes in the silencer body, and the big open end outer edge of anti formula of toper silencing pot is laminated fixedly with silencer body inner wall.
4. A novel water-air hybrid wet muffler for a high-speed boat according to claim 3, wherein: the muffler body both ends set up to the arc inner wall.
5. The novel water-air hybrid wet muffler for a high-speed boat according to claim 4, wherein: the top of the elastic waterproof backflow baffle is bent to form a connecting flange, the connecting flange is fixed with the inner top wall of the muffler body through bolts, and the outer wall surface of the elastic waterproof backflow baffle, deviating from the water-gas mixing pipeline, is fixed with a balancing weight.
6. The novel water-air hybrid wet muffler for a high-speed boat according to claim 5, wherein: the balancing weight is set to high temperature resistant silicon rubber plate, high temperature resistant silicon rubber plate is fixed with elasticity waterproof backward flow baffle bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320439301.9U CN219993771U (en) | 2023-03-09 | 2023-03-09 | Novel water-air mixing wet muffler for high-speed boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320439301.9U CN219993771U (en) | 2023-03-09 | 2023-03-09 | Novel water-air mixing wet muffler for high-speed boat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219993771U true CN219993771U (en) | 2023-11-10 |
Family
ID=88618393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320439301.9U Active CN219993771U (en) | 2023-03-09 | 2023-03-09 | Novel water-air mixing wet muffler for high-speed boat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219993771U (en) |
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2023
- 2023-03-09 CN CN202320439301.9U patent/CN219993771U/en active Active
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