CN209990534U - Noise elimination core capable of collecting and discharging rainwater - Google Patents
Noise elimination core capable of collecting and discharging rainwater Download PDFInfo
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- CN209990534U CN209990534U CN201920804362.4U CN201920804362U CN209990534U CN 209990534 U CN209990534 U CN 209990534U CN 201920804362 U CN201920804362 U CN 201920804362U CN 209990534 U CN209990534 U CN 209990534U
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- guide sleeve
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Abstract
The utility model discloses a noise elimination core body capable of collecting and discharging rainwater, which comprises a noise elimination core body arranged in a muffler cavity body, wherein the noise elimination core body consists of a double-layer surface protection structure outer plate, a double-layer surface protection structure inner plate, an upper air guide sleeve, a lower air guide sleeve and a sound absorber, the upper end of the double-layer surface protection structure outer plate is arranged at the outer side of the upper air guide sleeve, and the lower end of the double-layer surface protection structure outer plate is arranged at the inner side of the lower air guide sleeve; the upper end and the lower end of the double-layer surface protection structure inner plate are respectively arranged on the inner sides of the upper air guide sleeve and the lower air guide sleeve; the sound absorber is arranged in a cavity formed by the upper air guide sleeve, the lower air guide sleeve and the double-layer facing structure inner plate; and a drainage pipeline connected with the outside is arranged at the opening position of the tip end of the lower air guide sleeve. The novel design aims at the noise elimination core body of the intake and exhaust silencer of the ship oil extraction machine, and the noise elimination core body of the silencer has a multifunctional structure for collecting rainwater and discharging the rainwater; simple structure, rationally distributed, simple to operate solve multiple problems such as marine diesel engine silencer collection rainwater, discharge rainwater and noise elimination.
Description
Technical Field
The utility model relates to a noise elimination core, concretely relates to can collect and discharge noise elimination core of rainwater.
Background
At present, a common marine diesel engine exhaust muffler at home and abroad only has a single noise reduction function, a simple rain-proof cap or an elbow is installed at an outlet of the exhaust muffler by a few muffler manufacturers, but the rainwater drainage method is low in efficiency, and other rainwater removal equipment is often needed to be installed in an exhaust system of the diesel engine. By doing so, not only is the ship manufacturing cost increased, but also sufficient installation space on the ship needs to be ensured. Therefore, the design of novel multifunctional equipment is the development trend of various current ship equipment. The exhaust muffler of the marine diesel engine is also under development and update, and the exhaust muffler has other functions besides the function of reducing noise.
SUMMERY OF THE UTILITY MODEL
The utility model provides a both have the function of noise reduction, have the novel exhaust silencer noise elimination core of collecting and row's rainwater function again. The multifunctional marine diesel engine is realized, the manufacturing cost of the ship is reduced, and the utilization rate of the space of the ship equipment is improved.
In order to achieve the above object, the utility model provides a following technical scheme: a noise elimination core body capable of collecting and discharging rainwater comprises a noise elimination core body arranged in a cavity of a noise eliminator, wherein the noise elimination core body consists of a double-layer surface protection structure outer plate, a double-layer surface protection structure inner plate, an upper flow guide cover, a lower flow guide cover and a sound absorber, the upper end of the double-layer surface protection structure outer plate is installed on the outer side of the upper flow guide cover, and the lower end of the double-layer surface protection structure outer plate is installed on the inner side of the lower flow guide cover; the upper end and the lower end of the double-layer surface protection structure inner plate are respectively arranged on the inner sides of the upper air guide sleeve and the lower air guide sleeve; the sound absorber is arranged in a cavity formed by the upper air guide sleeve, the lower air guide sleeve and the double-layer facing structure inner plate; and a drainage pipeline connected with the outside is arranged at the opening position of the tip end of the lower air guide sleeve.
Preferably, the upper air guide sleeve is a galvanized steel plate, a stainless steel plate or a titanium plate; the thickness of the plate of the upper air guide sleeve is 1mm-5 mm; the conicity of the upper air guide sleeve is between 15 and 60 degrees.
Preferably, the lower air guide sleeve is a galvanized steel plate, a stainless steel plate or a titanium plate; the thickness of the plate of the lower air guide sleeve is 1mm-5 mm; the tip of the lower air guide sleeve is provided with a hole, and the upper end of the lower air guide sleeve is provided with a water collecting ring flange 2-10mm higher than the double-layer protective surface structure.
Preferably, the outer plate of the double-layer protective surface structure is a perforated plate and is made of a galvanized steel plate, a stainless steel plate or a titanium plate; the perforation rate is controlled between 10 percent and 50 percent; the upper end of the outer plate of the double-layer protective surface structure is provided with a non-perforated flange which protrudes 2-10mm higher than the upper air guide sleeve.
Preferably, the double-layer surface protection structure inner plate is a perforated plate and is made of a galvanized steel plate, a stainless steel plate or a titanium plate; the perforation rate is controlled between 10% and 50%.
Preferably, the sound absorber is made of high-temperature rock wool or high-temperature glass wool, the periphery of the sound absorber is wrapped by a waterproof protective surface, and the waterproof protective surface is made of glass cloth or a polyester film.
Preferably, the pipe diameter of the upper air guide sleeve is larger than the caliber of the upper end of the silencer, and a plate flange is reserved at the lower end of the pipe wall of the upper port of the silencer.
The utility model discloses a technological effect and advantage: adopt double-deck perforated plate structure, can let the rainwater flow out from the clearance of double-deck perforated plate, discharge through the drainage pipe of kuppe down, drainage efficiency is high.
Drawings
Fig. 1 is a schematic structural view of the muffling core of the present invention.
Fig. 2 is the upper end structure schematic diagram of the double-layer perforated plate of the muffling core body of the present invention.
Fig. 3 is a schematic view of the structure of the diversion cover at the lower end of the silencing core body.
Fig. 4 is a schematic diagram of the upper end structure of the muffler of the present invention.
Fig. 5 is the schematic view of the air flow direction of the muffler for the muffling core body of the present invention.
Fig. 6 is the utility model discloses noise elimination core silencer rainwater direction sketch map.
Fig. 7 is a big picture of the muffling core muffler of the present invention.
In the figure: the sound absorption type wind deflector comprises an upper wind deflector 1, a double-layer surface protection structure outer plate 2, a double-layer surface protection structure inner plate 3, a sound absorber 4, a lower wind deflector 5, a drainage pipeline 6, a retaining edge 7, a water collecting ring retaining edge 8 and a plate retaining edge 9.
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 noise elimination core body which can collect and discharge rainwater and is shown in figures 1-7, comprising a noise elimination core body arranged in a cavity of the noise eliminator, wherein the noise elimination core body is composed of a double-layer protective surface structure outer plate 2, a double-layer protective surface structure inner plate 3, an upper air guide sleeve 1, a lower air guide sleeve 5 and a sound absorber 4, the upper end of the double-layer protective surface structure outer plate 2 is arranged at the outer side of the upper air guide sleeve 1, and the lower end is arranged at the inner side of the lower air guide sleeve 5; the upper end and the lower end of the double-layer surface protection structure inner plate 3 are respectively arranged on the inner sides of the upper air guide sleeve 1 and the lower air guide sleeve 5; the sound absorber 4 is arranged in a cavity formed by the upper air guide sleeve 1, the lower air guide sleeve 5 and the double-layer facing structure inner plate 3; and a drainage pipeline 6 connected with the outside is arranged at the opening position of the tip end of the lower air guide sleeve 5. The drainage pipeline 6 is made of stainless steel, Q235B and other base materials and mainly used for draining rainwater.
Specifically, the upper air guide sleeve 1 is a base material such as a galvanized steel plate, a stainless steel plate or a titanium plate; the thickness of the plate of the upper air guide sleeve 1 is 1mm-5 mm; the conicity of the upper air guide sleeve 1 is between 15 and 60 degrees. The silencer has the main function that on one hand, water flowing into the silencer can flow downwards along the upper flow guide cover 1; on the other hand, the baffle plate plays a role in guiding the airflow in the silencer.
Specifically, the lower air guide sleeve 5 is a base material such as a galvanized steel plate, a stainless steel plate or a titanium plate; the thickness of the plate of the lower air guide sleeve 5 is 1mm-5 mm; the tip of the lower air guide sleeve 5 is provided with a hole, and the upper end of the lower air guide sleeve is provided with a water collecting ring flange 8 which is 2-10mm higher than the double-layer surface protection structure. The lower dome 5 serves to prevent rainwater from flowing into the interior of the muffler along the double-layer facing structure, and to collect rainwater and guide airflow.
Specifically, the outer plate 2 of the double-layer protective structure is a perforated plate and is made of a galvanized steel plate, a stainless steel plate or a titanium plate; the perforation rate is controlled between 10 percent and 50 percent; the upper end of the outer plate 2 with the double-layer protective surface structure is provided with a non-perforated flange 7 which protrudes out of the upper air guide sleeve by 2-10 mm. The function of the sound absorber is to form a gap with the double-layer surface protection structure outer plate 2 to allow rainwater to pass through, and to allow sound waves to pass through and enter the sound absorber 4 to reduce noise.
Specifically, the double-layer protective surface structure inner plate 3 is a perforated plate and is made of a galvanized steel plate, a stainless steel plate or a titanium plate; the perforation rate is controlled between 10% and 50%. The function of the sound absorber is to form a gap with the double-layer surface protection structure outer plate 2 to allow rainwater to pass through, and to allow sound waves to pass through and enter the sound absorber 4 to reduce noise.
Specifically, the sound absorber 4 is made of high-temperature sound absorbing materials such as high-temperature rock wool or high-temperature glass wool, the periphery of the sound absorber 4 is wrapped by a waterproof protective surface, and the waterproof protective surface is made of glass cloth or polyester film. The main function of the sound absorber 4 is to convert acoustic energy into internal energy, thereby reducing noise.
Specifically, the pipe diameter of the upper air guide sleeve 1 is larger than the caliber of the upper end of the silencer, and a plate flange 9 is reserved at the lower end of the pipe wall of the upper port of the silencer. Preventing rainwater from directly flowing into the silencer cavity through the pipe wall.
When rainwater enters the silencer, a part of rainwater can directly flow downwards along the upper air guide sleeve 1; one part of the rainwater flows downwards along the pipe wall at the upper end of the silencer, in order to prevent the rainwater from directly flowing into the silencer cavity through the pipe wall, the pipe diameter of the upper diversion cover 1 is larger than the caliber of the upper end of the silencer, and a plate flange 9 is reserved at the lower end of the pipe wall to enable the rainwater to flow onto the upper diversion cover as shown in figure 4; when all the rainwater flows into the upper air guide sleeve 1, the rainwater can flow downwards along the upper air guide sleeve 1 to enter a gap in the double-layer surface protection structure, and a flange 7 higher than the upper air guide sleeve 1 is reserved on the outer plate 2 of the double-layer surface protection structure at the joint of the upper air guide sleeve 1 and the double-layer surface protection structure as shown in figure 2 and has the function of preventing the rainwater from flowing into the inner cavity of the silencer through the upper air guide sleeve 1. After the rainwater enters the upper end of the double-layer surface protection structure, a part of the rainwater can flow downwards along the gap of the double-layer surface protection structure, and a part of the rainwater can flow downwards along the outer side of the outer plate 2 of the double-layer surface protection structure. The upper end of the lower air guide sleeve 5 is provided with a water collecting ring flange 8 which is higher than the double-layer protecting surface structure, as shown in figure 3, and the function of the water collecting ring flange is to collect rainwater and prevent the rainwater from entering the inner cavity of the silencer. After passing through the water collecting ring of the lower air guide sleeve 5, finally, all the rainwater can enter the lower water collecting air guide sleeve. The tip of the lower air guide sleeve 5 is provided with a hole to be connected with a drainage pipeline 6, and the tail end of the drainage pipeline is connected with the outside to drain rainwater out of the silencer.
The silencer is circular intake and exhaust silencer and vertical installation, and the silencer adopts rigid shell or sound absorption shell.
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 (7)
1. A sound-attenuating core for collecting and draining rainwater, comprising a sound-attenuating core disposed in a cavity of a muffler, characterized in that: the silencing core body consists of a double-layer surface protection structure outer plate, a double-layer surface protection structure inner plate, an upper air guide sleeve, a lower air guide sleeve and a sound absorber, wherein the upper end of the double-layer surface protection structure outer plate is arranged on the outer side of the upper air guide sleeve, and the lower end of the double-layer surface protection structure outer plate is arranged on the inner side of the lower air guide sleeve; the upper end and the lower end of the double-layer surface protection structure inner plate are respectively arranged on the inner sides of the upper air guide sleeve and the lower air guide sleeve; the sound absorber is arranged in a cavity formed by the upper air guide sleeve, the lower air guide sleeve and the double-layer facing structure inner plate; and a drainage pipeline connected with the outside is arranged at the opening position of the tip end of the lower air guide sleeve.
2. A sound attenuating core as claimed in claim 1 for collecting and draining rainwater, wherein: the upper air guide sleeve is a galvanized steel plate, a stainless steel plate or a titanium plate; the thickness of the plate of the upper air guide sleeve is 1mm-5 mm; the conicity of the upper air guide sleeve is between 15 and 60 degrees.
3. A sound attenuating core as claimed in claim 1 for collecting and draining rainwater, wherein: the lower air guide sleeve is a galvanized steel plate, a stainless steel plate or a titanium plate; the thickness of the plate of the lower air guide sleeve is 1mm-5 mm; the tip of the lower air guide sleeve is provided with a hole, and the upper end of the lower air guide sleeve is provided with a water collecting ring flange 2-10mm higher than the double-layer protective surface structure.
4. A sound attenuating core as claimed in claim 1 for collecting and draining rainwater, wherein: the outer plate of the double-layer protective structure is a perforated plate and is made of a galvanized steel plate, a stainless steel plate or a titanium plate; the perforation rate is controlled between 10 percent and 50 percent; the upper end of the outer plate of the double-layer protective surface structure is provided with a non-perforated flange which protrudes 2-10mm higher than the upper air guide sleeve.
5. A sound attenuating core as claimed in claim 1 for collecting and draining rainwater, wherein: the double-layer protective surface structure inner plate is a perforated plate and is made of a galvanized steel plate, a stainless steel plate or a titanium plate; the perforation rate is controlled between 10% and 50%.
6. A sound attenuating core as claimed in claim 1 for collecting and draining rainwater, wherein: the sound absorber is made of high-temperature rock wool or high-temperature glass wool, the periphery of the sound absorber is wrapped by a waterproof protective surface, and the waterproof protective surface is made of glass cloth or polyester film.
7. A sound attenuating core as claimed in claim 1 for collecting and draining rainwater, wherein: the pipe diameter of the upper air guide sleeve is larger than the caliber of the upper end of the silencer, and a plate flange is reserved at the lower end of the pipe wall of the upper port of the silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804362.4U CN209990534U (en) | 2019-05-31 | 2019-05-31 | Noise elimination core capable of collecting and discharging rainwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804362.4U CN209990534U (en) | 2019-05-31 | 2019-05-31 | Noise elimination core capable of collecting and discharging rainwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990534U true CN209990534U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920804362.4U Active CN209990534U (en) | 2019-05-31 | 2019-05-31 | Noise elimination core capable of collecting and discharging rainwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209990534U (en) |
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2019
- 2019-05-31 CN CN201920804362.4U patent/CN209990534U/en active Active
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