CN204476537U - Water-cooled silencing apparatus - Google Patents
Water-cooled silencing apparatus Download PDFInfo
- Publication number
- CN204476537U CN204476537U CN201420804045.XU CN201420804045U CN204476537U CN 204476537 U CN204476537 U CN 204476537U CN 201420804045 U CN201420804045 U CN 201420804045U CN 204476537 U CN204476537 U CN 204476537U
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- CN
- China
- Prior art keywords
- noise elimination
- elimination cavity
- pipe
- silencing
- expansion noise
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Abstract
The utility model discloses a kind of water-cooled silencing apparatus, suppressor case has inner casing and shell to form, cooling water chamber is formed between inner casing and shell, suppressor case lumen segmentation becomes three lattice, first lattice are separated into the first expansion noise elimination cavity, the first resonant silencing chamber and the second expansion noise elimination cavity, and the first expansion noise elimination cavity is communicated with the second expansion noise elimination cavity by resonant silencing pipe; 3rd lattice are separated into the 3rd expansion noise elimination cavity and the 4th expansion noise elimination cavity, and the 3rd expansion noise elimination cavity and the 4th expansion noise elimination cavity are communicated with by porous resonant silencing pipe; Be provided with the second resonant silencing pipe in second lattice and form the second resonant silencing chamber, resonant silencing pipe lower end is communicated with the second expansion noise elimination cavity, resonant silencing Guan Yu tri-expand noise elimination cavity be communicated with; Suction tude is arranged on the first expansion noise elimination cavity, and steam outlet pipe is arranged on the 4th expansion noise elimination cavity.The utility model effectively can cut down the exhaust noise of motor, reduces silencing apparatus external skin temperatures, extends the working life of silencing apparatus.
Description
Technical field
The utility model relates to silencing apparatus field, is specifically related to a kind of water-cooled silencing apparatus.
Background technique
Along with the development in city, the traffic tool get more and more, a large amount of noise that sets out transported in shape process by motor, cause noise pollution, along with state's laws regulation improving constantly noise requirements, the noise reduction of available engine is except mixer, because the inner space of locomotive is narrow and small, volume wretched insufficiency needed for silencing apparatus, pipeline flow area is inadequate, the pipe diameter installed is little, engine exhaust temperature is generally between 400 ~ 600 DEG C, cause silencing apparatus external skin temperatures too high general between 250 ~ 350 DEG C, not only cause exhaust not smooth, affect soundproof effect, and decrease the working life of silencing apparatus.
Summary of the invention
The purpose of this utility model, in order to overcome the deficiencies in the prior art, provides a kind of water-cooled silencing apparatus, and the structure of this silencing apparatus is simple, can effectively reduce silencing apparatus temperature, and erasure effect is remarkable, long service life.
The purpose of this utility model can be achieved through the following technical solutions;
A kind of water-cooled silencing apparatus, comprise suppressor case, steam outlet pipe and suction tude, it is characterized in that: described suppressor case has inner casing and shell to form, cooling water chamber is formed between described inner casing and shell, suppressor case inner chamber is longitudinally respectively equipped with the first dividing plate and second partition, suppressor case lumen segmentation is become three lattice, first lattice of suppressor case inner chamber are horizontally arranged with the 3rd dividing plate and the 4th dividing plate, first lattice of suppressor case inner chamber are separated into the first expansion noise elimination cavity from top to bottom successively, first resonant silencing chamber and the second expansion noise elimination cavity, described first resonant silencing chamber is provided with the first resonant silencing pipe, first expansion noise elimination cavity is communicated with the second expansion noise elimination cavity by described first resonant silencing pipe, 3rd lattice of described suppressor case inner chamber are transversely provided with the 5th dividing plate, 3rd lattice of suppressor case inner chamber are separated into the 3rd expansion noise elimination cavity and the 4th expansion noise elimination cavity from top to bottom, 5th dividing plate is provided with porous resonant silencing pipe, the 3rd expansion noise elimination cavity and the 4th expansion noise elimination cavity is communicated with, be provided with the second resonant silencing pipe in second lattice of described suppressor case inner chamber and form the second resonant silencing chamber, described second resonant silencing pipe lower end is provided with the first atresia bend pipe, second expansion noise elimination cavity is communicated with the second resonant silencing chamber by the first atresia bend pipe, resonant silencing pipe upper end is provided with the second atresia bend pipe, and the 3rd expansion noise elimination cavity is communicated with the second resonant silencing chamber by the second atresia bend pipe, described suction tude penetrates in the first expansion noise elimination cavity from suppressor case, and described steam outlet pipe penetrates the 4th expansion noise elimination cavity from suppressor case.
First, second resonant silencing pipe described is formed by pipe in porous resonant silencing and resonant silencing outer tube, and in described porous resonant silencing, pipe box is located in resonant silencing outer tube.
Rock wool layer is filled with between described first dividing plate and second partition.
The shell of described suppressor case is provided with intake pipe and the outlet pipe of cooling water chamber, and described intake pipe is used for being connected with engine cooling circulating pipe.
The lower end of described suppressor case is provided with mounting bracket.
Be provided with porous slab in first lattice of described suppressor case inner chamber, between described porous slab and the inwall of inner casing, be filled with rock wool layer.
The beneficial effects of the utility model: structure of the present utility model is simple, by dividing plate, suppressor case inner chamber is separated into the first expansion noise elimination cavity, the first resonant silencing chamber, the second expansion noise elimination cavity, the second resonant silencing chamber, the 3rd expansion noise elimination cavity and the 4th expansion noise elimination cavity, noise carries out noise reduction process through the first expansion noise elimination cavity, the first resonant silencing chamber, the second expansion noise elimination cavity, the second resonant silencing chamber, the 3rd expansion noise elimination cavity and the 4th expansion noise elimination cavity successively, adopt resonant silencing to compensate for the problem of expansion sound deadening capacity deficiency, can reducing effect be improved.Suppressor case is made up of inner casing and shell, cooling water chamber is formed between inner casing and shell, be used for being connected with engine cooling circulating pipe by the intake pipe of waterway, the utility model utilizes engine cooling circulating water to cool silencing apparatus, reduces the temperature of silencing apparatus, under the capacity situation not increasing the outer cooling circulating water of motor, reach the requirement of cooling silencing apparatus surface temperature, measuring silencing apparatus external skin temperatures is 58 DEG C, reduces 200 DEG C, extends the working life of silencing apparatus.
Being filled with rock wool layer between 3rd dividing plate and the 4th dividing plate carries out heat insulation, heat insulation process is carried out by rock wool layer, decrease heat transmission, by Heat Transfer Control area and silencing apparatus internal surface temperature, reduce heat transmission, reduce silencing apparatus surface temperature, also extend the effective frequency width of silencing apparatus simultaneously, reduce the impact of air-flow to silencing apparatus simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is plan view of the present utility model.
In accompanying drawing: 1 is suppressor case, 1-1 is inner casing, 1-2 is shell, 1-3 is cooling water chamber, 1-4 is the first expansion noise elimination cavity, 1-5 is the first resonant silencing chamber, 1-6 is the second expansion noise elimination cavity, 1-7 is the 3rd expansion noise elimination cavity, 1-8 is the 4th expansion noise elimination cavity, 1-9 is the second resonant silencing chamber, 2 is steam outlet pipe, 3 is suction tude, 4 is intake pipe, 5 is outlet pipe, 6 is the first dividing plate, 7 is second partition, 8 is the 3rd dividing plate, 9 is the 4th dividing plate, 10 is the 5th dividing plate, 11 is the first resonant silencing pipe, 12 is porous resonant silencing pipe, 13 is the second resonant silencing pipe, 14 is the first atresia bend pipe, 15 is the second atresia bend pipe, 16 is rock wool layer, 17 is mounting bracket, 18 is porous slab.
Specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
See shown in Fig. 1 to Fig. 2, a kind of water-cooled silencing apparatus, comprise suppressor case 1, steam outlet pipe 2 and suction tude 3, described suppressor case 1 has inner casing 1-1 and shell 1-2 to form, and forms cooling water chamber 1-3 between described inner casing 1-1 and shell 1-2, and shell 1-2 one end of described suppressor case 1 is provided with the intake pipe 4 of cooling water chamber, the other end is provided with outlet pipe 5, and described intake pipe 4 is for being connected with engine cooling circulating pipe, suppressor case 1 inner chamber is longitudinally provided with the first dividing plate 6 and second partition 7, suppressor case 1 lumen segmentation is become three lattice, first lattice inner chamber of suppressor case 1 is horizontally arranged with the 3rd dividing plate 8 and the 4th dividing plate 9, first lattice inner chamber of suppressor case 1 is separated into the first expansion noise elimination cavity 1-4 from top to bottom successively, first resonant silencing chamber 1-5 and the second expansion noise elimination cavity 1-6, two blocks of symmetrically arranged porous slabs 18 are provided with in first lattice inner chamber of described suppressor case 1, rock wool layer 16 is filled with between described porous slab 18 and the inwall of inner casing 1-1, the first resonant silencing pipe 11 is provided with in described first resonant silencing chamber 1-5, the upper end of the first resonant silencing pipe 11 extends into the first expansion noise elimination cavity 1-4, the lower end of the first resonant silencing pipe 11 extends into the second expansion noise elimination cavity 1-6, by resonant silencing pipe 11, first expansion noise elimination cavity is communicated with the second expansion noise elimination cavity, 3rd lattice inner chamber of described suppressor case 1 is transversely provided with the 5th dividing plate 10,3rd lattice of suppressor case 1 inner chamber are separated into from top to bottom the 3rd expansion noise elimination cavity 1-7 and the 4th expansion noise elimination cavity 1-8,5th dividing plate 10 is provided with porous resonant silencing pipe 12, is communicated with by the 3rd expansion noise elimination cavity 1-7 and the 4th expansion noise elimination cavity 1-8 by porous resonant silencing pipe 12, be provided with the second resonant silencing pipe 13 in second lattice inner chamber of described suppressor case 1 and form the second resonant silencing chamber 1-9, described second resonant silencing pipe 13 lower end is provided with the first atresia bend pipe 14, second expansion noise elimination cavity 1-6 is communicated with the second resonant silencing chamber 1-9 by the first atresia bend pipe 14, second resonant silencing pipe 13 upper end is provided with the second atresia bend pipe 15,3rd expansion noise elimination cavity 1-7 is communicated with the second resonant silencing chamber 1-9 by the second atresia bend pipe 15, is filled with rock wool layer 16 between described first dividing plate 6 and second partition 7, described suction tude 3 penetrates in the first expansion noise elimination cavity 1-4 from suppressor case 1, and described steam outlet pipe 2 penetrates the 4th expansion noise elimination cavity 1-8 from suppressor case 1.
Described first, second resonant silencing pipe 1-5,1-9 are formed by pipe in porous resonant silencing and resonant silencing outer tube, and in described porous resonant silencing, pipe box is located in resonant silencing outer tube.
The both sides of described suppressor case 1 are provided with mounting bracket 17.
working principle of the present utility model:
Noise is through entering in suppressor case 1 by suction tude 3, noise reduction process is carried out successively through the first expansion noise elimination cavity 1-4, the first resonant silencing chamber 1-5, the second expansion noise elimination cavity 1-6, the second resonant silencing chamber 1-9, the 3rd expansion noise elimination cavity 1-7 and the 4th expansion noise elimination cavity 1-8, form hole property to eliminate the noise, utilize the change of acoustic impedance, the phenomenons such as the interface that the sound wave of some frequency is suddenlyd change in acoustic impedance is reflected, interference, thus reach the object of noise elimination.By forming cooling water chamber 1-3 between the inner casing 1-1 of suppressor case 1 and shell 1-2, be connected with engine cooling circulating pipe by the intake pipe 4 of cooling water chamber 1-3, make full use of cool cycles water pipe to reduce the temperature of suppressor case 1, measuring silencing apparatus external skin temperatures is 58 DEG C, reduces 200 DEG C.Absorb acoustic energy reach noise elimination object by being filled with rock wool layer 16 in the first lattice inner chamber and the second lattice inner chamber of suppressor case 1, form resistance noise reduction.The utility model combines the feature of the noise elimination of hole property and resistance noise reduction, realizes reducing noise, and excellent noise reduction effect.
The utility model is not only applicable to motor, can also be applicable to generator, can reduce the operating temperature range of miscellaneous equipment, and have a lot of automatically controlled original paper after general existing diesel generating set adopts EFI, operating temperature need be less than 60 DEG C.
Claims (6)
1. a water-cooled silencing apparatus, comprise suppressor case (1), steam outlet pipe (2) and suction tude (3), it is characterized in that: described suppressor case (1) has inner casing (1-1) and shell (1-2) to form, cooling water chamber (1-3) is formed between described inner casing (1-1) and shell (1-2), suppressor case (1) inner chamber is longitudinally respectively equipped with the first dividing plate (6) and second partition (7), suppressor case (1) lumen segmentation is become three lattice, first lattice of suppressor case (1) inner chamber are horizontally arranged with the 3rd dividing plate (8) and the 4th dividing plate (9), first lattice of suppressor case (1) inner chamber are separated into from top to bottom successively the first expansion noise elimination cavity (1-4), first resonant silencing chamber (1-5) and the second expansion noise elimination cavity (1-6), described first resonant silencing chamber (1-5) is provided with the first resonant silencing pipe (11), first expansion noise elimination cavity (1-4) is communicated with the second expansion noise elimination cavity (1-5) by described first resonant silencing pipe (11), 3rd lattice of described suppressor case (1) inner chamber are transversely provided with the 5th dividing plate (5), 3rd lattice of suppressor case (1) inner chamber are separated into from top to bottom the 3rd expansion noise elimination cavity (1-7) and the 4th expansion noise elimination cavity (1-8), 5th dividing plate (10) is provided with porous resonant silencing pipe (12), the 3rd expansion noise elimination cavity (1-7) and the 4th expansion noise elimination cavity (1-8) is communicated with, be provided with the second resonant silencing pipe (13) in second lattice of described suppressor case (1) inner chamber and form the second resonant silencing chamber (1-9), described second resonant silencing pipe (13) lower end is provided with the first atresia bend pipe (14), second expansion noise elimination cavity (1-6) is communicated with the second resonant silencing chamber (1-9) by the first atresia bend pipe (14), second resonant silencing pipe (13) upper end is provided with the second atresia bend pipe (15), and the 3rd expansion noise elimination cavity (1-7) is communicated with the second resonant silencing chamber (1-9) by the second atresia bend pipe (15), described suction tude (3) penetrates in the first expansion noise elimination cavity (1-4) from suppressor case (1), and described steam outlet pipe (2) penetrates the 4th expansion noise elimination cavity (1-8) from suppressor case (1).
2. water-cooled silencing apparatus according to claim 1, it is characterized in that: described first, second resonant silencing pipe (11,13) is formed by pipe in porous resonant silencing and resonant silencing outer tube, and in described porous resonant silencing, pipe box is located in resonant silencing outer tube.
3. water-cooled silencing apparatus according to claim 1, is characterized in that: be filled with rock wool layer (16) between described first dividing plate (6) and second partition (7).
4. water-cooled silencing apparatus according to claim 1, is characterized in that: the shell of described suppressor case (1) is provided with intake pipe (4) and the outlet pipe (5) of cooling water chamber, and described intake pipe (5) is for being connected with engine cooling circulating pipe.
5. the water-cooled silencing apparatus according to claim 1 or 4, is characterized in that: the lower end of described suppressor case (1) is provided with mounting bracket (17).
6. the water-cooled silencing apparatus according to claim 1 or 4, it is characterized in that: in the first lattice of described suppressor case (1) inner chamber, be provided with porous slab (18), between the inwall of described porous slab (18) and inner casing (1-1), be filled with rock wool layer (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804045.XU CN204476537U (en) | 2014-12-18 | 2014-12-18 | Water-cooled silencing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804045.XU CN204476537U (en) | 2014-12-18 | 2014-12-18 | Water-cooled silencing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204476537U true CN204476537U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420804045.XU Expired - Fee Related CN204476537U (en) | 2014-12-18 | 2014-12-18 | Water-cooled silencing apparatus |
Country Status (1)
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| CN (1) | CN204476537U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508012A (en) * | 2015-12-28 | 2016-04-20 | 中国煤炭科工集团太原研究院有限公司 | Inlaid exhaust sound attenuation device used for coal mine underground vehicle |
| CN106150683A (en) * | 2016-07-27 | 2016-11-23 | 江苏东方康弛机电科技有限公司 | Generating set water-cooled jacketed muffle device |
| CN108590810A (en) * | 2018-06-02 | 2018-09-28 | 无锡固友动力机械有限公司 | Water cooling noise reduction cooling, silencing device |
| CN109209590A (en) * | 2018-09-21 | 2019-01-15 | 上海盼得电气科技有限公司 | A kind of diesel generating set water-cooled jacketed muffle device |
| CN110939497A (en) * | 2019-12-31 | 2020-03-31 | 重庆鼎工机电有限公司 | Full water-cooling combined exhaust silencer for diesel engine |
| CN114704355A (en) * | 2022-04-29 | 2022-07-05 | 常州东仕豪机械制造有限公司 | High temperature resistant type muffler |
-
2014
- 2014-12-18 CN CN201420804045.XU patent/CN204476537U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508012A (en) * | 2015-12-28 | 2016-04-20 | 中国煤炭科工集团太原研究院有限公司 | Inlaid exhaust sound attenuation device used for coal mine underground vehicle |
| CN106150683A (en) * | 2016-07-27 | 2016-11-23 | 江苏东方康弛机电科技有限公司 | Generating set water-cooled jacketed muffle device |
| CN108590810A (en) * | 2018-06-02 | 2018-09-28 | 无锡固友动力机械有限公司 | Water cooling noise reduction cooling, silencing device |
| CN108590810B (en) * | 2018-06-02 | 2024-05-10 | 无锡固友动力科技有限公司 | Water-cooling noise-reducing cooling silencer |
| CN109209590A (en) * | 2018-09-21 | 2019-01-15 | 上海盼得电气科技有限公司 | A kind of diesel generating set water-cooled jacketed muffle device |
| CN110939497A (en) * | 2019-12-31 | 2020-03-31 | 重庆鼎工机电有限公司 | Full water-cooling combined exhaust silencer for diesel engine |
| CN110939497B (en) * | 2019-12-31 | 2023-08-15 | 重庆鼎工机电有限公司 | Full water cooling composite exhaust muffler for diesel engine |
| CN114704355A (en) * | 2022-04-29 | 2022-07-05 | 常州东仕豪机械制造有限公司 | High temperature resistant type muffler |
| CN114704355B (en) * | 2022-04-29 | 2023-11-03 | 常州东仕豪机械制造有限公司 | High temperature resistant muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |