CN210087446U - Rain-proof silencer of diesel engine exhaust of rainwater bottom collection ash is collected to top - Google Patents
Rain-proof silencer of diesel engine exhaust of rainwater bottom collection ash is collected to top Download PDFInfo
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- CN210087446U CN210087446U CN201920792361.2U CN201920792361U CN210087446U CN 210087446 U CN210087446 U CN 210087446U CN 201920792361 U CN201920792361 U CN 201920792361U CN 210087446 U CN210087446 U CN 210087446U
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Abstract
The utility model discloses a rain-proof silencer of diesel engine exhaust of rainwater bottom collection ash is collected at top, the silencer adopts the noise-attenuating structure of sound absorption barrel and sound absorption core, install the water collector in the upper end of sound absorption core, can restrain the mars suppression device that the diesel engine produced the mars in the installation of sound absorption core lower extreme, sound absorption core and sound absorption barrel middle section form annular noise-attenuating section, sound absorption barrel lower part runner expands outwards and the circulation region of sound absorption core common formation big space, the ash that diesel engine exhaust gas took can reduce and deposit at this region because of the velocity of flow and get off and form an album grey district. This novel multi-functional silencer suitable for diesel engine, silencer have collect with the effect of discharge rainwater, have mars simultaneously and restrain and the dusting function for the rainwater does not pass through the sound absorbing layer surface, and the rainwater independently discharges, does not mix with the grey matter in the silencer, avoids influencing the normal work of silencer.
Description
Technical Field
The utility model relates to an exhaust silencer of rainwater is collected and is discharged at top, the silencer has spark suppression and ash removal function simultaneously.
Background
A silencer for a diesel engine, a general exhaust silencer does not have a rainproof function. When the diesel engine runs, rainwater enters the silencer and can be evaporated at high temperature; when the diesel engine stops running, rainwater directly enters the silencer to affect the sound absorption material or the dust removal device. A simple rain-proof cap or an elbow is installed at the outlet of an exhaust silencer by a small number of silencer manufacturers, but the rainwater drainage method is low in efficiency, and other rainwater removal equipment is often required to be installed in an exhaust system of a diesel engine. The general silencer can increase waterproof treatment at sound-absorbing material, can only prevent rainwater infiltration sound-absorbing material, can't be with the water discharge that gets into the silencer. Therefore, the design of novel multifunctional equipment is the development trend of various current ship equipment. The utility model discloses then be a top collect with exhaust silencer of discharge rainwater, the silencer bottom still has spark suppression and dusting function simultaneously.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that the inside structure that has collection and discharge rainwater function that sets up of silencer for the silencer has the effect of collecting with the discharge rainwater, has mars suppression and dusting function simultaneously, makes the rainwater not pass through the sound absorbing layer surface, and the rainwater independently discharges, does not mix with the grey matter in the silencer, influences the normal work of silencer.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rain-proof silencer of diesel engine exhaust of rainwater bottom collection ash is collected at top, the silencer adopts the noise-attenuating structure of sound absorption barrel and sound absorption core, installs the water collector in the upper end of sound absorption core, can restrain the diesel engine at sound absorption core lower extreme installation and produce the mars suppression device of mars, sound absorption core and sound absorption barrel middle section form annular noise elimination section.
Furthermore, the upper part of the water collector is opposite to the exhaust port of the silencer, the diameter of the water collector is slightly larger than that of the exhaust port, a rainwater flow guider is arranged between the exhaust port and the water collector and is welded at the end of the exhaust port, the axial center of the sound absorption core body is an axial center pipeline, the upper end of the axial center pipeline is connected with the bottom of the water collector, and the lower end of the axial center pipeline is connected to the water outlet of the.
Furthermore, the rainwater flow director is a conical perforated plate made of stainless steel, titanium or carbon steel, the thickness of the perforated plate is 0.5-10 mm, the perforated plate is welded at the exhaust port end of the sound absorption barrel and located above the water collector, the diameter of the upper end of the rainwater flow director is larger than that of the air inlet, the diameter of the lower end of the rainwater flow director is smaller than the caliber of the water collector, and rainwater entering the silencer can be conveniently collected and guided to the water collector.
Furthermore, the water collector is of a funnel-shaped structure located at one end of the sound absorption core body, the water collector can be made of stainless steel, titanium or carbon steel, the thickness of the water collector is 0.5-10 mm, and the diameter of the water collector is consistent with the diameter of the core body.
Furthermore, the axis pipeline is a pipeline made of steel pipes or other high-temperature-resistant materials, the pipe diameter is 5-50 mm, and the pipe wall thickness is 0.5-5 mm.
Furthermore, the spark suppression device is arranged at the bottom of the silencer and consists of two parts; one part is a conical air guide sleeve, the outer diameter size of the air guide sleeve is larger than that of an air inlet of the silencer, and all air inlet flows impact the air guide sleeve; the other part is a rotational flow device arranged along the airflow direction of the flow guide cover, the rotational flow device can increase the contact surface to the airflow, unburned sparks contact the surface of the rotational flow device, the temperature can be reduced, and then the flame is extinguished.
Furthermore, the rotational flow device is a rotational flow blade welded on the sound absorption core body flow guide cover, one side of the rotational flow blade is uniformly welded and fixed on the core body flow guide cover, and the other side of the rotational flow blade is welded at the air inlet end of the silencer.
Furthermore, the sound absorption cylinder body is a sound absorption structure consisting of an outer shell plate and an inner perforated plate, the thickness of the sound absorption structure is 50-500 mm, and the length of the sound absorption structure is 400-3000 mm.
Furthermore, the sound absorption core body is formed by assembling a protective face perforated plate, a sound absorption material, a flow guide cover and a water collector, the diameter of the sound absorption core body ranges from 50mm to 500mm, and the length of the sound absorption core body ranges from 200 mm to 3000 mm.
Furthermore, the space between the lower part of the sound absorption cylinder body and the flow guide cover at the bottom of the sound absorption core body is an ash collection cavity, and one side, located at the air inlet, of the bottom of the sound absorption cylinder body is provided with an ash removal opening which is opposite to the ash collection cavity.
The utility model discloses a technological effect and advantage: this novel multi-functional silencer suitable for diesel engine, silencer have collect with the effect of discharge rainwater, have mars simultaneously and restrain and the dusting function for the rainwater does not pass through the sound absorbing layer surface, and the rainwater independently discharges, does not mix with the grey matter in the silencer, avoids influencing the normal work of silencer.
Drawings
Fig. 1 is a schematic diagram of the muffler structure of the present invention.
Fig. 2 is a big picture of the silencer water collector of the utility model.
Fig. 3 is a schematic view of the spark suppressing device of the muffler of the present invention.
Fig. 4 is a view from direction a of fig. 2.
Fig. 5 is a sectional view B-B of fig. 2.
FIG. 6 is a cross-sectional view (sheet-shaped swirl vanes) taken at C-C of FIG. 3.
FIG. 7 is a cross-sectional view (curved swirl vanes) taken at C-C of FIG. 3.
Fig. 8 and 9 are air flow diagrams of the muffler of the present invention.
Fig. 10 and 11 are rainwater flow diagrams of the muffler of the present invention.
In the figure: 1 rainwater guider, 2 water collectors, 3 axial pipelines, 4 flexible pipelines, 5 water outlets, 6 spark suppression devices, 7 ash removal ports, 8 ash collection cavities, 9 air guide hoods, 10 sound absorption cylinders, 11 sound absorption cores, 12 air outlets, 13 rotational flow blades, 14 air inlets, 15 air flow channels, 16 heat insulation layers and 17 flanges.
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 a rain-proof silencer of diesel engine exhaust of bottom of rainwater collection ash is collected at top as shown in fig. 1-11, the silencer adopts sound absorption barrel 10 and sound absorption core 11's noise-abatement structure, upper end installation water collector 2 at sound absorption core 11, can restrain the diesel engine at the installation of sound absorption core 11 lower extreme and produce mars's mars suppression device 6, sound absorption core 11 and sound absorption barrel 10 middle section form annular noise-abatement section, sound absorption barrel 10 lower part runner expands outwards and sound absorption core 11 forms the circulation region in big space jointly, the ash that diesel engine exhaust gas takes can reduce the deposit at this region because of the velocity of flow and get off and form an album ash district.
This novel sound absorption core lies in with traditional sound absorption core difference: the air guide sleeve of the sound absorption core body 11 at the end of the exhaust port 12 is replaced by a water collector, so that the sound absorption core body 11 has a water collection function while the sound absorption performance is not influenced. An annular air flow channel 15 with the diameter of 30-400 mm is formed between the sound absorption cylinder 10 and the sound absorption core body 11.
Specifically, the upper part of the water collector 2 is opposite to the exhaust port 12 of the silencer, the diameter of the water collector is slightly larger than that of the exhaust port, a rainwater guider 1 is arranged between the exhaust port 12 and the water collector 2, the rainwater guider 1 is welded at the end of the exhaust port 12, the axial position of the sound absorption core body 11 is an axial pipeline 3, the upper end of the axial pipeline 3 is connected with the bottom of the water collector 2, and the lower end of the axial pipeline is connected to a drainage port 5 of the.
The rainwater flow guider 1 is a conical perforated plate made of stainless steel, titanium or carbon steel, the thickness of the conical perforated plate is 0.5-10 mm, the conical perforated plate is welded at the end of an exhaust port 12 of the sound absorption cylinder 10 and is positioned above the water collector 2, the diameter of the upper end of the rainwater flow guider 1 is larger than that of an air inlet 14, the diameter of the lower end of the rainwater flow guider 1 is smaller than that of the water collector 2, the rainwater flow guider is convenient to collect rainwater entering the silencer and guides the rainwater to the water collector 2, the water collector 2 is of a funnel-shaped structure positioned at one end of the sound absorption core body 11, the material can be stainless steel, titanium or carbon steel, the thickness of the rainwater flow guider is 0.5-10 mm, the diameter of the rainwater flow guider is consistent with that of the sound absorption core body 11, the axis pipeline 3 is a steel pipe or a pipeline made of other high-temperature resistant materials, the pipe diameter is 5-50 mm, the, thereby avoiding the influence of the deformation on the acoustic device. The rainwater passes through the pipeline and discharges, does not pass through silencer sound absorption layer surface, has better waterproof effect.
Specifically, the spark suppression device 6 is arranged at the bottom of the silencer and consists of two parts; one part is a conical air guide sleeve 9, the outer diameter size of the air guide sleeve 9 is larger than that of the air inlet 14 of the silencer, so that all air inflow impacts the air guide sleeve 9; the other part is a rotational flow device arranged along the airflow direction of the air guide sleeve 9, the rotational flow device can increase the contact surface to the airflow, unburned sparks contact the surface of the rotational flow device, the temperature can be reduced, and then the air guide sleeve is extinguished.
Specifically, the cyclone device is a cyclone blade 13 welded on the flow guide cover 9 of the sound absorption core 11, one side of the cyclone blade 13 is uniformly welded and fixed on the flow guide cover 9 of the sound absorption core 11, the other side of the cyclone blade 13 is welded at the air inlet 14 end of the silencer, the cyclone blade 13 is made of stainless steel, titanium or carbon steel, the thickness of the cyclone blade is 0.5-10 mm, the cyclone blade is divided into an arc shape and a linear shape, the number of the cyclone blade is determined according to the size of the exhaust silencer, sparks enter the air inlet 14 of the silencer and then collide with the flow guide cover 9 of the sound absorption core 11 and the cyclone blade 13 to be extinguished, and then enter the ash collecting cavity 8, due to the action of the cyclone blade 13, spiral airflow is formed at the air inlet 14, larger ash is deposited at the bottom of the.
Specifically, the sound absorption cylinder 10 is a sound absorption structure consisting of an outer shell plate and an inner perforated plate, and has a thickness of 50-500 mm and a length of 400-3000 mm. And the sound-absorbing cylinder 10 is wrapped with an insulating layer 16.
Specifically, the sound absorption core body 11 is formed by assembling a protective face perforated plate, a sound absorption material, a flow guide cover 9 and a water collector 2, and has the diameter of 50-500 mm and the length of 200-3000 mm.
Specifically, the space between the lower outward-expanding part of the sound absorption cylinder 10 and the air guide sleeve 9 at the bottom of the sound absorption core body 11 is an ash collection cavity 8, and one side, located at the air inlet 14, of the bottom of the sound absorption cylinder 10 is provided with an ash removal opening 7 which is opposite to the ash collection cavity 8.
Fixing mode of the sound absorption core 11: the guide cover 9 is welded with the cyclone blades 13, then the cyclone blades 13 are welded with the air inlet flaring, the sound absorption core body 11 is fixed on the silencer through the cyclone blades 13, the upper end of the sound absorption core body 11 is not connected with the sound absorption barrel body 10, the structure can allow the high-temperature deformation of the sound absorption core body 11 in a high-temperature state, and the length of the silencer core body can be extended upwards.
The inlet port 14 and the outlet port 12 are fixed to the upper and lower ends of the muffler by flanges 17.
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 rain-proof silencer of diesel engine exhaust of rainwater bottom collection ash is collected at top which characterized in that: the silencer adopts the sound-absorbing structure of sound-absorbing barrel and sound-absorbing core, installs the water collector in the upper end of sound-absorbing core, installs the spark suppression device that can restrain the diesel engine and produce the spark in the sound-absorbing core lower extreme, and sound-absorbing core and sound-absorbing barrel middle section form annular noise-damping section.
2. The diesel engine exhaust rainproof muffler capable of collecting rainwater at the top and collecting ash at the bottom according to claim 1, is characterized in that: the upper part of the water collector is opposite to the exhaust port of the silencer, the diameter of the water collector is slightly larger than that of the exhaust port, a rainwater flow guider is arranged between the exhaust port and the water collector and is welded at the exhaust port end, the axial center of the sound absorption core body is an axial center pipeline, the upper end of the axial center pipeline is connected with the bottom of the water collector, and the lower end of the axial center pipeline is connected to the water outlet of the.
3. The diesel engine exhaust rainproof muffler capable of collecting rainwater at the top and collecting ash at the bottom according to claim 2, is characterized in that: the rainwater divertor is a conical perforated plate made of stainless steel, titanium or carbon steel, the thickness of the perforated plate is 0.5-10 mm, the perforated plate is welded at the exhaust port end of the sound absorption barrel and is positioned above the water collector, the diameter of the upper end of the rainwater divertor is larger than that of the air inlet, the diameter of the lower end of the rainwater divertor is smaller than the caliber of the water collector, and the rainwater divertor is convenient to collect rainwater entering the silencer and divert the rainwater to the water collector.
4. The diesel engine exhaust rainproof muffler capable of collecting rainwater at the top and collecting ash at the bottom according to claim 2, is characterized in that: the water collector is of a funnel-shaped structure located at one end of the sound absorption core body, the water collector can be made of stainless steel, titanium or carbon steel, the thickness of the water collector is 0.5-10 mm, and the diameter of the water collector is consistent with the diameter of the core body.
5. The diesel engine exhaust rainproof muffler capable of collecting rainwater at the top and collecting ash at the bottom according to claim 2, is characterized in that: the axis pipeline is a pipeline made of a steel pipe or other high-temperature-resistant materials, the pipe diameter is 5-50 mm, and the pipe wall thickness is 0.5-5 mm.
6. The diesel engine exhaust rainproof muffler capable of collecting rainwater at the top and collecting ash at the bottom according to claim 1, is characterized in that: the spark suppression device is arranged at the bottom of the silencer and consists of two parts; one part is a conical air guide sleeve, the outer diameter size of the air guide sleeve is larger than that of an air inlet of the silencer, and all air inlet flows impact the air guide sleeve; the other part is a rotational flow device arranged along the airflow direction of the flow guide cover, the rotational flow device can increase the contact surface to the airflow, unburned sparks contact the surface of the rotational flow device, the temperature can be reduced, and then the flame is extinguished.
7. The diesel engine exhaust rainproof muffler capable of collecting rainwater at the top and collecting ash at the bottom according to claim 6, is characterized in that: the rotational flow device is a rotational flow blade welded on the sound absorption core body flow guide cover, one side of the rotational flow blade is uniformly welded and fixed on the core body flow guide cover, and the other side of the rotational flow blade is welded at the air inlet end of the silencer.
8. The diesel engine exhaust rainproof muffler capable of collecting rainwater at the top and collecting ash at the bottom according to claim 1, is characterized in that: the sound absorption cylinder comprises a shell plate and an inner perforated plate to form a sound absorption structure, the thickness of the sound absorption cylinder is 50-500 mm, and the length of the sound absorption cylinder is 400-3000 mm.
9. The diesel engine exhaust rainproof muffler capable of collecting rainwater at the top and collecting ash at the bottom according to claim 1, is characterized in that: the sound absorption core body is formed by assembling a protective face perforated plate, a sound absorption material, a flow guide cover and a water collector, and is 50-500 mm in diameter and 200-3000 mm in length.
10. The diesel engine exhaust rainproof muffler capable of collecting rainwater at the top and collecting ash at the bottom according to claim 1, is characterized in that: the space between the lower part of the sound absorption cylinder body and the flow guide cover at the bottom of the sound absorption core body is an ash collection cavity, and one side of the bottom of the sound absorption cylinder body, which is positioned at the air inlet, is provided with an ash removal opening which is just opposite to the ash collection cavity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792361.2U CN210087446U (en) | 2019-05-29 | 2019-05-29 | Rain-proof silencer of diesel engine exhaust of rainwater bottom collection ash is collected to top |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792361.2U CN210087446U (en) | 2019-05-29 | 2019-05-29 | Rain-proof silencer of diesel engine exhaust of rainwater bottom collection ash is collected to top |
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| CN210087446U true CN210087446U (en) | 2020-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067615A (en) * | 2019-05-29 | 2019-07-30 | 深圳中雅机电实业有限公司 | A kind of diesel exhaust gas rain-proof silencer of collected overhead rainwater bottom collection ash |
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2019
- 2019-05-29 CN CN201920792361.2U patent/CN210087446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067615A (en) * | 2019-05-29 | 2019-07-30 | 深圳中雅机电实业有限公司 | A kind of diesel exhaust gas rain-proof silencer of collected overhead rainwater bottom collection ash |
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