CN113417714A - Exhaust silencing and cooling integrated device for ship-shell common diesel engine - Google Patents
Exhaust silencing and cooling integrated device for ship-shell common diesel engine Download PDFInfo
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- CN113417714A CN113417714A CN202110687318.1A CN202110687318A CN113417714A CN 113417714 A CN113417714 A CN 113417714A CN 202110687318 A CN202110687318 A CN 202110687318A CN 113417714 A CN113417714 A CN 113417714A
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- exhaust
- shell
- diesel engine
- ship
- cooling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/007—Apparatus used as intake or exhaust silencer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/02—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate silencers in series
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention relates to a ship-shell common-type diesel engine exhaust silencing cooling integrated device, which comprises a shell, and a microporous air inlet pipe, a microporous partition plate, a spray cooler, a resonator, an expansion expander and an exhaust pipe which are arranged in the shell, wherein the bottom of one end of the shell is provided with a flue gas inlet, and the upper part of the microporous air inlet pipe is inserted into the shell through the flue gas inlet; the micropore partition plate is arranged in the downstream area of the micropore air inlet pipe; the spray cooler is arranged in the downstream area of the microporous partition plate; the resonator is arranged in the downstream area of the spray cooler; the expansion expander is arranged in the downstream area of the resonator; the exhaust pipe is disposed in a downstream region of the expansion expander at a top portion of the other end of the housing. The invention utilizes the hull structure to fill the muffler shell and the structural member which are arranged in a downward-entering and upward-exiting manner and in a horizontal square structure manner, realizes the integrated integration of multifunctional equipment such as the exhaust muffler, the spray cooler, the baffle valve and the like of the marine diesel engine, and improves the overall suitability of the marine muffler device.
Description
Technical Field
The invention relates to the technical field of ship power system design, in particular to an exhaust silencing and cooling integrated device of a ship-shell common diesel engine.
Background
The diesel engine is a key power device for guaranteeing propulsion and power generation of the ship on water and underwater, in order to prevent the multi-band wide noise and high-temperature smoke brought by exhaust generated by the diesel engine from influencing the operation environment of the deck, an exhaust silencer is generally arranged on an exhaust pipeline of the diesel engine to reduce the exhaust noise of the diesel engine, the wide fundamental frequency band of the large-flow exhaust noise is considered, the silencer adopts a resistance type structure and an anti type structure, the resistance type silencer utilizes a silencing material to control high-frequency noise, but the silencing material is easy to be pulverized and blown out by airflow under the action of high temperature and high frequency, and the environmental safety of the deck of the ship is influenced. The anti-type silencer utilizes the structural style of variable cross section and flow direction to change the exhaust noise impedance, eliminates the noise of middle and low frequency band, but anti-type silencer structural dimension is too big, has occupied great resource in real ship arrangement.
In addition, in order to reduce the exhaust temperature of the diesel engine and prevent high-temperature smoke from influencing the deck operation safety, equipment such as a spray cooler, a dividing wall cooler and the like are arranged on the exhaust pipeline to reduce the exhaust temperature, a mixed cooling section with a long length is required at the downstream of the exhaust cooler for fully cooling the exhaust temperature, and a large amount of cabin space is occupied in the real ship environment. Meanwhile, the exhaust pipeline and the muffler structure brought by cooling seawater are chemically corroded, the difficulty and the cost of equipment operation, maintenance and maintenance are increased, and the seawater is sprayed to flow back to the diesel engine to influence the safety risk of the diesel engine operation.
Therefore, in order to solve the difficult problems of large volume structure, narrow silencing frequency band, high flow resistance, backflow of cooling water, material corrosion and the like of the silencer, a novel diesel engine exhaust silencing cooling integrated device is urgently needed to be provided, the integrated device has the multifunctional integration capacity of exhaust cooling and silencing, the overall adaptability of the exhaust silencing device is improved, and the technology is also designed and stored for the overall marine power system on water and underwater.
Disclosure of Invention
The invention aims to solve the technical problems of large volume structure, narrow silencing frequency band, high flow resistance, backflow of cooling water, material corrosion and the like of a silencer in the prior art, and provides an exhaust silencing and cooling integrated device for a ship-shell common diesel engine, which realizes an integrated exhaust cooling silencer for a ship and improves the overall suitability of the silencer for the ship.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a ship-shell common-type diesel engine exhaust silencing cooling integrated device comprises a shell, and a micropore air inlet pipe, a micropore partition plate, a spray cooler, a resonator, an expansion expander and an exhaust pipe which are arranged in the shell, wherein a flue gas inlet is formed in the bottom of one end of the shell, the upper part of the micropore air inlet pipe is inserted into the shell through the flue gas inlet, and a through hole is formed in the wall of the air inlet pipe; the micropore partition plate is arranged in the downstream area of the micropore air inlet pipe, and a through hole is formed in the micropore partition plate; the spray cooler is arranged in the downstream area of the microporous partition plate, and reduces the exhaust temperature after fully cooling and mixing the seawater and the flue gas through pressure atomization spray; the resonator is arranged in the downstream area of the spray cooler and eliminates the middle-frequency band noise; the expansion expander is arranged in the downstream area of the resonator and eliminates high-frequency band noise; the exhaust pipe is arranged in the downstream area of the expansion expander and is positioned at the top of the other end of the shell.
In the above solution, the hull utilizes a hull structure including the transverse walls and longitudinal walls of the cabin and their appurtenant plates or profiles.
In the above scheme, the micropore air inlet pipe, the micropore partition plate, the spray cooler, the resonator, the expansion expander and the exhaust pipe are sequentially arranged along the horizontal direction of the shell.
In the above scheme, the perforations on the wall of the microporous air inlet pipe are uniformly arranged and have the same aperture.
In the scheme, the gravity type baffle valve is arranged in the inlet area of the microporous air inlet pipe, so that the spraying cooling seawater is prevented from flowing back to the flue gas inlet.
In the above scheme, the perforations on the microporous separator are uniformly arranged and have the same aperture.
In the above scheme, the spray coolers are external and arranged at the upper part and the lower part of the shell.
In the scheme, a sedimentation tank is arranged in the lower area of the spray cooler, and the excess seawater and the soot impurities are collected; and a discharge valve is arranged at the bottom of the sedimentation tank, and the water quality pollutants are discharged by using the discharge valve.
In the above scheme, the expansion expander adopts a double-row insertion pipe type expansion expander.
In the scheme, the micropore air inlet pipe, the micropore partition plate, the spray cooler, the resonator, the expansion expander and the exhaust pipe are all made of titanium alloy materials.
The invention has the beneficial effects that:
1. the invention utilizes the hull structure to fill the muffler shell and the structural members with the horizontal square structure type and the lower-inlet-outlet layout, realizes the integrated integration of multifunctional equipment such as the exhaust muffler, the spray cooler, the baffle valve and the like of the marine diesel engine, solves the problem of large volume structure of the traditional muffler, improves the overall suitability of the marine muffler device, and is beneficial to the overall integration and construction, installation and construction of a real ship system.
2. The invention eliminates low-frequency band exhaust noise, stabilizes a flow field and reduces resistance based on a cavity formed by the micropore air inlet pipe and the micropore partition plate, and eliminates medium-frequency band exhaust noise and high-frequency band exhaust noise by two-stage series connection of the resonator and the double-row inserted pipe type expansion expander, thereby solving the problems of narrow noise elimination frequency band and high flow resistance of the traditional silencer.
3. According to the invention, the spray cooler is arranged between the microporous partition plate and the resonator, and seawater is sprayed to reduce the high-temperature exhaust temperature, so that the spray cooler and the silencer are integrated, and the occupied length and space are reduced.
4. The invention arranges a sedimentation basin in a spray cooling area, and collects the residual seawater and soot impurities; meanwhile, the baffle valve is arranged at the inlet of the air inlet pipe, so that the spraying cooling seawater can be prevented from flowing back to the smoke inlet.
5. The titanium alloy material is adopted as the whole material, so that the corrosion resistance of the exhaust muffler device is improved, the chemical corrosion caused by circulating media such as flue gas, cooling seawater and the like is prevented, and the weight and the volume of the device are reduced.
6. The technology of the invention can be used for the overall integrated design of a ship power system, and solves the technical problems of large volume structure, narrow silencing frequency band, high flow resistance, backflow of cooling water, material corrosion and the like of the silencer through the newly designed exhaust silencing and cooling integrated device of the ship-shell common diesel engine.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural diagram of an exhaust silencing and cooling integrated device of a ship-hull common-type diesel engine.
In the figure: 1. a housing; 2. a micropore air inlet pipe; 3. a flapper valve; 4. a microporous separator; 5. a spray cooler; 6. a sedimentation tank; 7. a bleed valve; 8. a resonator; 9. an expansion expander; 10. and (4) exhausting the gas.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the exhaust silencing and cooling integrated device for the ship-hull common diesel engine according to the embodiment of the present invention includes a housing 1, and a microporous intake pipe 2, a microporous partition plate 4, a spray cooler 5, a resonator 8, an expansion expander 9, and an exhaust pipe 10 disposed in the housing 1. Wherein, the bottom of one end of the shell 1 is provided with a flue gas inlet, the upper part of the micropore air inlet pipe 2 is vertically inserted into the shell 1 through the flue gas inlet, and the wall of the air inlet pipe is provided with a perforation; the micropore partition plate 4 is arranged in the downstream area of the micropore air inlet pipe 2, and a perforation is arranged on the micropore partition plate 4; the micropore air inlet pipe 2 and the micropore partition plate 4 are combined to eliminate low-frequency band noise, stabilize a flow field and reduce exhaust pressure loss, so that the flue gas and cooling water can be uniformly mixed. The spray cooler 5 is arranged in the downstream area of the microporous partition plate 4, and reduces the exhaust temperature after spraying seawater and flue gas through pressure atomization and fully cooling and mixing. The resonator 8 is disposed in a downstream area of the shower cooler 5, and eliminates mid-band noise. The expansion expander 9 is arranged in the downstream area of the resonator 8 to eliminate high-frequency band noise; an exhaust pipe 10 is arranged in the downstream region of the expansion expander 9 at the flue gas outlet at the top of the other end of the housing 1.
During the operation of the exhaust silencing and cooling integrated device, the smoke discharged by the diesel engine enters a cavity formed by the smoke and the microporous partition plate 4 through the microporous air inlet pipe 2 to eliminate low-frequency noise and steady flow, then directly enters a cavity where the spray cooler 5 is located to cool high-temperature smoke, then sequentially passes through the resonator 8 and the expansion expander 9 to eliminate middle-frequency and high-frequency band noise, and finally is discharged out of the cooling silencer through the exhaust pipe 10.
Further optimizing, the shell 1 utilizes the hull structure to serve as the integrated silencer shell body of lower-in and upper-out layout and horizontal square structure type, and the common-type design of the hull is realized. The hull structure can be the transverse wall and the longitudinal wall of the cabin and the auxiliary plates or profiles thereof.
Further optimized, the microporous air inlet pipe 2, the microporous partition plate 4, the spray cooler 5, the resonator 8, the expansion expander 9 and the exhaust pipe 10 are sequentially arranged along the horizontal direction of the shell 1.
Further optimization, the through holes on the wall of the micropore air inlet pipe 2 are uniformly arranged and have the same aperture.
Further optimization, the gravity type baffle valve 3 is arranged in the inlet area of the microporous air inlet pipe 2, and spraying cooling seawater is prevented from flowing back to the flue gas inlet.
Further optimization, the perforations on the microporous separator 4 are uniformly arranged and have the same pore size.
Further preferably, the spray coolers 5 are arranged externally and are arranged at the upper part and the lower part of the shell 1.
Further optimization, a sedimentation basin 6 is arranged in the lower area of the spray cooler 5, and excess seawater and soot impurities are collected; the bottom of the sedimentation tank 6 is provided with a discharge valve 7, and the water quality pollutants are discharged by the discharge valve 7.
Further preferably, the expansion expander 9 adopts a double-insertion-pipe type expansion expander 9.
Further optimizing, the whole material of the exhaust silencing and cooling integrated device comprises a micropore air inlet pipe 2, a baffle valve 3, a micropore partition plate 4, a spray cooler 5, a resonator 8, an expansion expander 9 and an exhaust pipe 10, and the titanium alloy material is adopted to prevent chemical corrosion caused by circulating media such as flue gas, cooling seawater and the like and reduce the weight and the volume of equipment.
The invention uses the hull structure as the muffler shell and the structure, realizes the integration of multifunctional equipment such as the exhaust muffler of the diesel engine, the spray cooler, the baffle valve and the hull structure, eliminates low-frequency exhaust noise, stabilizes the flow field and reduces resistance based on the cavity formed by the microporous air inlet pipe and the microporous partition plate, integrates the water-cooled exhaust cooler, sprays seawater to reduce high-temperature exhaust temperature, eliminates middle-frequency and high-frequency exhaust noise by two-stage series connection of the resonator and the double-row inserted pipe type expansion expander, and arranges the baffle valve at the inlet of the air inlet pipe to prevent the spray cooling seawater from flowing backwards, and the material of the exhaust silencing and cooling integrated device is entirely made of titanium alloy material, thereby improving the adaptability of a real ship and further improving the corrosion resistance of the exhaust silencing device.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The exhaust silencing and cooling integrated device of the ship-shell common diesel engine is characterized by comprising a shell, and a micropore air inlet pipe, a micropore partition plate, a spray cooler, a resonator, an expansion expander and an exhaust pipe which are arranged in the shell, wherein a flue gas inlet is formed in the bottom of one end of the shell, the upper part of the micropore air inlet pipe is inserted into the shell through the flue gas inlet, and a through hole is formed in the wall of the air inlet pipe; the micropore partition plate is arranged in the downstream area of the micropore air inlet pipe, and a through hole is formed in the micropore partition plate; the spray cooler is arranged in the downstream area of the microporous partition plate, and reduces the exhaust temperature after fully cooling and mixing the seawater and the flue gas through pressure atomization spray; the resonator is arranged in the downstream area of the spray cooler and eliminates the middle-frequency band noise; the expansion expander is arranged in the downstream area of the resonator and eliminates high-frequency band noise; the exhaust pipe is arranged in the downstream area of the expansion expander and is positioned at the top of the other end of the shell.
2. The integrated hull-common diesel engine exhaust muffler cooling device according to claim 1, wherein said housing utilizes a hull structure including transverse walls, longitudinal walls and their appurtenant plates or profiles of the cabin.
3. The exhaust silencing and cooling integrated device for the ship-hull common diesel engine according to claim 1, wherein the micro-porous intake pipe, the micro-porous partition plate, the spray cooler, the resonator, the expansion expander and the exhaust pipe are sequentially arranged along a horizontal direction of the housing.
4. The integrated device for exhaust, noise elimination and cooling of the ship-hull common diesel engine according to claim 1, wherein the perforations on the wall of the microporous intake pipe are uniformly arranged and have the same aperture.
5. The exhaust, noise elimination and cooling integrated device of the ship-shell common type diesel engine according to claim 1, wherein a gravity type baffle valve is arranged at an inlet area of the microporous air inlet pipe to prevent spray cooling seawater from flowing back to a flue gas inlet.
6. The integrated device for exhaust silencing and cooling of a ship-hull common diesel engine according to claim 1, wherein the perforations on the microporous partition plate are uniformly arranged and have the same aperture.
7. The exhaust silencing and cooling integrated device for the ship-hull common diesel engine according to claim 1, wherein the spray coolers are external and are arranged at the upper part and the lower part of the shell.
8. The exhaust silencing and cooling integrated device for the ship-shell common type diesel engine according to claim 1, wherein a sedimentation basin is arranged in the lower region of the spray cooler and used for collecting residual seawater and soot impurities; and a discharge valve is arranged at the bottom of the sedimentation tank, and the water quality pollutants are discharged by using the discharge valve.
9. The exhaust silencing and cooling integrated device for the ship-hull common diesel engine according to claim 1, wherein the expansion expander is a double-row pipe-inserting type expansion expander.
10. The exhaust silencing and cooling integrated device for the ship-shell common diesel engine according to claim 1, wherein the microporous air inlet pipe, the microporous partition plate, the spray cooler, the resonator, the expansion expander and the exhaust pipe are made of titanium alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110687318.1A CN113417714B (en) | 2021-06-21 | 2021-06-21 | Exhaust silencing and cooling integrated device of ship hull common diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110687318.1A CN113417714B (en) | 2021-06-21 | 2021-06-21 | Exhaust silencing and cooling integrated device of ship hull common diesel engine |
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| Publication Number | Publication Date |
|---|---|
| CN113417714A true CN113417714A (en) | 2021-09-21 |
| CN113417714B CN113417714B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110687318.1A Active CN113417714B (en) | 2021-06-21 | 2021-06-21 | Exhaust silencing and cooling integrated device of ship hull common diesel engine |
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| Country | Link |
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| CN (1) | CN113417714B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412613A (en) * | 2022-02-07 | 2022-04-29 | 中国船舶重工集团公司第七一一研究所 | Reactive muffler and ship |
| CN114893640A (en) * | 2022-05-30 | 2022-08-12 | 江苏大学 | Noise-reducing, pressure-reducing and temperature-reducing device and valve with same |
| CN115467726A (en) * | 2022-10-28 | 2022-12-13 | 广东广船国际海洋科技研究院有限公司 | Ship tail gas silencing and cooling device and ship |
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| CN102061964A (en) * | 2009-11-13 | 2011-05-18 | 无锡世一电力机械设备有限公司 | Spraying, cooling and exhausting muffler |
| CN202611803U (en) * | 2012-05-10 | 2012-12-19 | 东南大学 | Muffler for exhausting of vehicles |
| CN105569771A (en) * | 2015-09-23 | 2016-05-11 | 徐工集团工程机械股份有限公司 | Sound eliminator and engineering vehicle |
| CN205918471U (en) * | 2016-07-25 | 2017-02-01 | 上海科泰电源股份有限公司 | Square diesel generating set noise eliminator |
| CN207598317U (en) * | 2017-10-30 | 2018-07-10 | 南通中船机械制造有限公司 | Wet type muffler |
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2021
- 2021-06-21 CN CN202110687318.1A patent/CN113417714B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061964A (en) * | 2009-11-13 | 2011-05-18 | 无锡世一电力机械设备有限公司 | Spraying, cooling and exhausting muffler |
| CN202611803U (en) * | 2012-05-10 | 2012-12-19 | 东南大学 | Muffler for exhausting of vehicles |
| CN105569771A (en) * | 2015-09-23 | 2016-05-11 | 徐工集团工程机械股份有限公司 | Sound eliminator and engineering vehicle |
| CN205918471U (en) * | 2016-07-25 | 2017-02-01 | 上海科泰电源股份有限公司 | Square diesel generating set noise eliminator |
| CN207598317U (en) * | 2017-10-30 | 2018-07-10 | 南通中船机械制造有限公司 | Wet type muffler |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412613A (en) * | 2022-02-07 | 2022-04-29 | 中国船舶重工集团公司第七一一研究所 | Reactive muffler and ship |
| CN114893640A (en) * | 2022-05-30 | 2022-08-12 | 江苏大学 | Noise-reducing, pressure-reducing and temperature-reducing device and valve with same |
| CN114893640B (en) * | 2022-05-30 | 2023-08-15 | 江苏大学 | Noise-reducing, pressure-reducing and temperature-reducing device and valve provided with same |
| CN115467726A (en) * | 2022-10-28 | 2022-12-13 | 广东广船国际海洋科技研究院有限公司 | Ship tail gas silencing and cooling device and ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113417714B (en) | 2023-06-16 |
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