CN210977647U - Obliquely-installed drainable silencer - Google Patents
Obliquely-installed drainable silencer Download PDFInfo
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- CN210977647U CN210977647U CN201921269916.1U CN201921269916U CN210977647U CN 210977647 U CN210977647 U CN 210977647U CN 201921269916 U CN201921269916 U CN 201921269916U CN 210977647 U CN210977647 U CN 210977647U
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- sound absorption
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- muffler
- drainable
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Abstract
The utility model discloses an obliquely installed drainable muffler, which comprises a muffler cylinder, a muffler built-in sound absorption core body and a muffler end panel; the silencer cylinder body has two forms, one is a rigid cylinder body, and a cavity is formed by an outer shell plate; the cylinder body with the sound absorption layer is composed of a shell plate, a sound absorption filler I and a protective surface perforated plate I; the end panel of the silencer comprises two forms, one is a circular truncated cone plate, and the other is a plane plate; the end panel of the silencer consists of a first end panel and a second end panel, and is connected with the silencer cylinder, the flange neck and the flange to form an external structure of the silencer; the sound absorption core body arranged in the silencer consists of a flow guide cover, a second protective face perforated plate, a second sound absorption filler, a tail cone and a core body fixing plate. The utility model discloses a but the water discharge silencer of slope installation can get rid of the water that gets into the silencer to along with the exhaust outlet outflow of silencer converge into exhaust duct, prevent that the sound absorption filler from soaking in water for a long time and influencing silencer performance and life.
Description
Technical Field
The utility model relates to a silencer, concretely relates to but slope installation drainage silencer.
Background
Mufflers used for noise reduction in marine diesel exhaust systems are generally required to have a drainable function. Because the air duct generally installs water cooling device in to reduce the air current temperature, on the one hand because waste gas outlet temperature is too high one of the important factor that influences the infrared stealthy performance of naval vessel, on the other hand also for avoiding exhaust duct wall temperature too high, has the potential safety hazard that the staff touched the scald. The water cooling device is arranged in the exhaust pipeline, so that after the temperature of air flow is reduced, excessive water is discharged along with the exhaust pipeline, and under the field installation condition, the silencer can be obliquely arranged, and the water needs to flow out of the exhaust pipeline along with the exhaust port of the silencer, so that the obliquely arranged drainable silencer can meet the requirements. If the silencer does not have the drainable function, the sound absorption material of the silencer can be soaked in water, and the silencing effect and the service life of the silencer are influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but slope installation drainage silencer to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a slantly-installed drainable silencer comprises a silencer barrel, wherein the high-position end of the silencer barrel is connected with an air inlet through a flange matched with a flange neck, the low-position end of the silencer barrel is connected with an air outlet through a flange matched with a flange neck, a sound absorption core body is arranged in the silencer barrel, and the sound absorption core body is fixed on the inner side wall of the silencer barrel through a core body fixing plate;
the silencer cylinder is a rigid cylinder and comprises a first end plate, a second end plate and a shell plate, wherein two ends of the shell plate are respectively connected with the first end plate and the second end plate to form a cavity for containing the sound absorption core;
the silencer barrel is a barrel with a sound absorption layer, and the silencer barrel comprises a first end face plate, a second end face plate, an outer shell plate, a first sound absorption filler, a first sound absorption pore plate, a drain pipe, a first water collection cavity and a second water collection cavity, wherein the two ends of the outer shell plate and the first sound absorption pore plate are sealed through the first end face plate and the second end face plate to form a cavity for containing the first sound absorption filler, the first water collection cavity is arranged at the air inlet end of the silencer, a separation blade protruding out of an air inlet of the silencer is arranged on the first water collection cavity, and the first water collection cavity and the second water collection cavity positioned at the air.
Preferably, the sound absorption core body is composed of a flow guide cover, a second sound absorption pore plate, a second sound absorption filler and a tail cone, a second sound absorption material is arranged in a cavity surrounded by the second sound absorption pore plate, the high-position end of the second sound absorption pore plate is connected with the flow guide cover, the low-position end of the second sound absorption pore plate is connected with the tail cone, and the top points of the flow guide cover and the tail cone are all in the center of the cross section of the flange neck.
Preferably, the shell plate, the first end plate, the second end plate, the first sound absorption pore plate, the second sound absorption pore plate, the air guide sleeve, the tail cone and the core body fixing plate are all stainless steel plates.
Preferably, the first sound absorption filler and the second sound absorption filler are both glass wool.
Preferably, the cross section of the outer shell plate is circular or square, and the first end plate and the second end plate are circular or square, truncated cone or hemispherical square matched with the cross section of the outer shell plate.
Preferably, the air guide sleeve in the form of a cylinder with the sound absorption layer is semicircular, and the tail cone is in a circular truncated cone shape; the guide cover and the tail cone of the silencer of the rigid cylinder are both conical.
Preferably, the lowest level of the sound absorption core arranged in the silencer is higher than the lowest level of the flange neck.
Preferably, the first end plate is provided with a hole matched with the flange neck, the center of the hole is on the vertical central line of the cross section of the silencer, and the center of the hole on the second end plate is also on the vertical central line of the cross section of the silencer.
Preferably, the thickness of the core fixing plate is 2-5 mm.
Preferably, the cross section of the drain pipe is circular or square, DN15-35 is made of stainless steel, the length of the flange neck is 50-70mm, and the drain pipe is made of stainless steel.
The utility model discloses a technological effect and advantage: under the condition of silencer slope installation, the air inlet mark is higher than the gas vent, and the water through the silencer can be got rid of to the rainwater dead weight effect, prevents that the sound absorption filler from soaking in water for a long time, destroys the sound absorption filler performance, influences the noise cancelling effect and the life of silencer.
Drawings
Fig. 1 is a schematic structural view of the muffler cylinder body of the present invention, which is a rigid cylinder body.
Fig. 2 is the schematic structural diagram of the muffler cylinder body of the present invention with the sound absorption layer.
In the figure: 1, a flange; 2, flange neck; 3, end panel I; 41 a shell plate; 42 sound absorbing filler one; 43 a first sound absorption orifice plate; 44 water discharge pipe; 45, a first water collecting cavity; 46 a water collecting cavity II; 5, end panel II; 61, a flow guide cover; 62 core body fixing plates; 63, a second sound absorption pore plate; 64 sound absorbing filler two; 65 caudal vertebra.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an obliquely installed drainable silencer as shown in figures 1-2, which comprises a silencer cylinder body, wherein the high-position end of the silencer cylinder body is connected with an air inlet through a flange 1 matched with a flange neck 2, the low-position end of the silencer cylinder body is connected with an air outlet through a flange 1 matched with a flange neck 2, a sound absorption core is arranged in the silencer cylinder body, and the sound absorption core is fixed on the inner side wall of the silencer cylinder body through a core fixing plate 62;
the silencer cylinder is a rigid cylinder and comprises a first end plate 3, a second end plate 5 and a shell plate 41, wherein two ends of the shell plate 41 are respectively connected with the first end plate 3 and the second end plate 5 to form a cavity for containing the sound absorption core;
the silencer barrel is a band sound absorption layer barrel, and it includes that end panel one 3, end panel two 5, shell plate 41, sound absorption filler one 42, sound absorption orifice plate one 43, drain pipe 44, catchment chamber one 45 and catchment chamber two 46, shell plate 41 and sound absorption orifice plate one 43 both ends are sealed through end panel one 3 and end panel two 5 and are formed the cavity of holding sound absorption filler one 42, are equipped with catchment chamber one 45 at the air inlet end department of silencer, be equipped with the separation blade of outstanding silencer air inlet on the chamber of catchmenting 45, catchment chamber one 45 and the chamber of catchmenting two 46 that are located the silencer exhaust port end are connected through the drain pipe 44 that is located the silencer bottom.
Specifically, the sound absorption core body comprises a guide cover 61, a second sound absorption pore plate 63, a second sound absorption filler 64 and a tail cone 65, a second sound absorption material 64 is arranged in a cavity enclosed by the second sound absorption pore plate 63, the high-position end of the second sound absorption pore plate 63 is connected with the guide cover 61, the low-position end of the second sound absorption pore plate 63 is connected with the tail cone 65, and the vertexes of the guide cover 61 and the tail cone 65 are located at the center of the cross section of the flange neck 2.
Specifically, the outer shell plate 41, the first end plate 3, the second end plate 5, the first sound absorbing pore plate 43, the second sound absorbing pore plate 63, the air guide sleeve 61, the tail cone 65 and the core fixing plate 62 are all stainless steel plates.
Specifically, the first sound absorption filler 42 and the second sound absorption filler 64 are both glass wool.
Specifically, the cross section of the housing plate 41 is circular or square, and the first end plate 3 and the second end plate 5 are circular or square, truncated cone or truncated pyramid matching the cross section of the housing plate 41.
Specifically, the air guide sleeve 61 in the form of a cylinder with a sound absorption layer is semicircular, and the tail cone 65 is in a shape of a circular truncated cone; the fairings 61 and the tail cone 65 of the rigid barrel muffler are conical.
Specifically, the lowest level of the muffler internal sound-absorbing core 6 is higher than the lowest level of the flange neck 1.
Specifically, the end plate I3 is provided with a hole matched with the flange neck 2, the center of the hole is on the vertical central line of the cross section of the silencer, and the center of the hole on the end plate II 5 is also on the vertical central line of the cross section of the silencer.
Specifically, the core fixing plate 62 has a thickness of 2 to 5 mm.
Specifically, the cross section of the drain pipe 44 is circular or square, DN15-35 is made of stainless steel, the length of the flange neck 2 is 50-70mm, and the drain pipe is made of stainless steel.
Under the condition that the requirement on noise reduction is high, the silencer adopts a combination mode of a sound absorption core body and a sound absorption barrel; under the general condition of noise reduction requirements, the silencer adopts a mode of removing the sound absorption core body and only using the sound absorption cylinder body. Establish water collecting cavity one 45 at silencer air inlet end department, be equipped with the separation blade that outstanding silencer air inlet on water collecting cavity one 45, rivers flow to the silencer air inlet end at silencer air inlet pipe bottom, get into water collecting cavity one 45 under the separation blade effect, and the rethread is connected the drain pipe 44 of water collecting cavity one 45 lower part and is flowed to the lower extreme of silencer gas vent and catchments cavity two 46, and when the water that collects the gas vent section spills over water collecting cavity two 46, rivers can converge the exhaust duct of connecting the silencer gas vent end.
Under the condition that the requirement on noise reduction is not high, the silencer adopts a combination mode of a sound absorption core body and a rigid cylinder body, and the rigid cylinder body is composed of a shell plate 41. The shell plate 41 can contain water, the lowest level of the sound-absorbing core body arranged in the silencer is slightly higher than the lowest point of the exhaust port, water flows into the rigid cylinder body directly from the air inlet, and accumulated water is stored to a certain degree and overflows the exhaust port.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (10)
1. The utility model provides a but slope installation drainage silencer, includes the silencer barrel, its characterized in that: the high-level end of the silencer cylinder is connected with an air inlet through a flange matched with a flange neck, the low-level end of the silencer cylinder is connected with an air outlet through a flange matched with a flange neck, a sound absorption core is arranged in the silencer cylinder, and the sound absorption core is fixed on the inner side wall of the silencer cylinder through a core fixing plate;
the silencer cylinder is a rigid cylinder and comprises a first end plate, a second end plate and a shell plate, wherein two ends of the shell plate are respectively connected with the first end plate and the second end plate to form a cavity for containing the sound absorption core;
the silencer barrel is a barrel with a sound absorption layer, and the silencer barrel comprises a first end face plate, a second end face plate, an outer shell plate, a first sound absorption filler, a first sound absorption pore plate, a drain pipe, a first water collection cavity and a second water collection cavity, wherein the two ends of the outer shell plate and the first sound absorption pore plate are sealed through the first end face plate and the second end face plate to form a cavity for containing the first sound absorption filler, the first water collection cavity is arranged at the air inlet end of the silencer, a separation blade protruding out of an air inlet of the silencer is arranged on the first water collection cavity, and the first water collection cavity and the second water collection cavity positioned at the air.
2. The obliquely installed drainable muffler as claimed in claim 1, wherein: the sound absorption core body comprises a flow guide cover, a second sound absorption pore plate, a second sound absorption filler and a tail cone, a second sound absorption material is arranged in a cavity enclosed by the second sound absorption pore plate, the high-position end of the second sound absorption pore plate is connected with the flow guide cover, the low-position end of the second sound absorption pore plate is connected with the tail cone, and the top points of the flow guide cover and the tail cone are all in the center of the cross section of the flange neck.
3. An obliquely installed drainable muffler according to claim 1 or 2, wherein: the shell plate, the first end plate, the second end plate, the first sound absorption pore plate, the second sound absorption pore plate, the flow guide cover, the tail cone and the core body fixing plate are all stainless steel plates.
4. An obliquely installed drainable muffler according to claim 1 or 2, wherein: the sound absorption filler I and the sound absorption filler II are both glass wool.
5. The obliquely installed drainable muffler as claimed in claim 1, wherein: the cross section of the outer shell plate is circular or square, and the first end plate and the second end plate are circular or square, truncated cone-shaped or hemispherical and square shapes matched with the cross section of the outer shell plate.
6. The obliquely installed drainable muffler as claimed in claim 2, wherein: the air guide sleeve in the form of a cylinder with a sound absorption layer is semicircular, and the tail cone is in a circular truncated cone shape; the guide cover and the tail cone of the silencer of the rigid cylinder are both conical.
7. The obliquely installed drainable muffler as claimed in claim 1, wherein: the lowest horizontal plane of the sound absorption core body arranged in the silencer is higher than the lowest horizontal plane of the flange neck.
8. The obliquely installed drainable muffler as claimed in claim 1, wherein: the end plate I is provided with a hole matched with the flange neck, the center of the hole is positioned on the vertical central line of the cross section of the silencer, and the center of the hole on the end plate II is also positioned on the vertical central line of the cross section of the silencer.
9. The obliquely installed drainable muffler as claimed in claim 1, wherein: the thickness of the core body fixing plate is 2-5 mm.
10. The obliquely installed drainable muffler as claimed in claim 1, wherein: the cross section of the drain pipe is circular or square, DN15-35 is made of stainless steel, the length of the flange neck is 50-70mm, and the flange neck is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269916.1U CN210977647U (en) | 2019-08-06 | 2019-08-06 | Obliquely-installed drainable silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269916.1U CN210977647U (en) | 2019-08-06 | 2019-08-06 | Obliquely-installed drainable silencer |
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| Publication Number | Publication Date |
|---|---|
| CN210977647U true CN210977647U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921269916.1U Active CN210977647U (en) | 2019-08-06 | 2019-08-06 | Obliquely-installed drainable silencer |
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| Country | Link |
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| CN (1) | CN210977647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894702A (en) * | 2020-07-29 | 2020-11-06 | 中国船舶工业集团公司第七0八研究所 | Ship side exhaust system |
-
2019
- 2019-08-06 CN CN201921269916.1U patent/CN210977647U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894702A (en) * | 2020-07-29 | 2020-11-06 | 中国船舶工业集团公司第七0八研究所 | Ship side exhaust system |
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