CN216957432U - Combined type silencer for steam pipeline - Google Patents
Combined type silencer for steam pipeline Download PDFInfo
- Publication number
- CN216957432U CN216957432U CN202123251530.8U CN202123251530U CN216957432U CN 216957432 U CN216957432 U CN 216957432U CN 202123251530 U CN202123251530 U CN 202123251530U CN 216957432 U CN216957432 U CN 216957432U
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- plate
- silencer
- perforated plate
- outer cover
- dustcoat
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Abstract
The utility model discloses a composite silencer for a steam pipeline. It includes the dustcoat and stretches into the shunt tubes in the dustcoat, still is provided with the hole crowd silencer in the dustcoat and connects two little layer perforated plate silencers between shunt tubes and hole crowd silencer, is provided with two little layer construction on the inner wall of dustcoat, can carry out multistage noise elimination through two little layer perforated plate silencers, hole crowd silencer and two little layer construction. After adopting foretell structure, through directly designing the dustcoat for two microlayer structures and set up interconnect's hole crowd silencer and two microlayer perforated plate silencers in the dustcoat, can carry out multistage noise elimination in order to reach the effect of increase noise elimination volume through two microlayer perforated plate silencers from this, hole crowd silencer and two microlayer structures, especially through special structural design and connect the two microlayer perforated plate silencers of connecting between shunt tubes and hole crowd silencer, utilize specific project organization to make it can effectual widen noise elimination frequency band.
Description
Technical Field
The utility model relates to a silencer, in particular to a combined silencer for a steam pipeline.
Background
The silencer is a noise reduction device such as a pipeline and an elbow with sound absorption linings or a pipeline with suddenly changed sectional area and other discontinuous acoustic impedances and the like for an airflow pipeline with noise transmission, and can attenuate or reflect noise in the pipeline with the silencer.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a composite silencer for a steam pipeline, which has small volume and good silencing effect.
In order to solve the technical problem, the combined silencer for the steam pipeline comprises an outer cover and a shunt pipe extending into the outer cover, wherein a hole group silencer and a double-micro-layer perforated plate silencer connected between the shunt pipe and the hole group silencer are further arranged in the outer cover, the inner wall of the outer cover is provided with a double-micro-layer structure, and multi-stage silencing can be performed through the double-micro-layer perforated plate silencer, the hole group silencer and the double-micro-layer structure.
The double-micro-layer perforated plate silencer comprises a shell, a first front plate located on the inner side of the shell and a first rear plate located between the shell and the first front plate, wherein a first front cavity is formed between the first front plate and the first rear plate, and a first rear cavity is formed between the shell and the first rear plate.
One end of the outer cover is provided with an outer cover sealing head, and the inner wall of the outer cover is sequentially provided with sound absorption cotton, a perforated plate, a second rear plate and a second front plate from outside to inside.
The upper and lower both ends of dustcoat respectively are provided with one and are used for carrying out confined support ring to the upper and lower both ends of sound absorption cotton, perforated plate, second rear plate and second front plate, the cavity intussuseption that forms between perforated plate and the dustcoat is filled with the sound absorption cotton, the second rear chamber that forms between perforated plate and the second rear plate and the second front chamber that forms between second rear plate and the second front plate constitute jointly two microlayer structures.
The section shape of a first front layer plate of the double-micro-layer perforated plate silencer is trapezoidal, and the first front layer plate, the second front layer plate and the second rear layer plate are all of cylindrical structures.
The thicknesses of the first front layer plate, the first rear layer plate, the second rear layer plate and the second front layer plate are all 0.8-1 mm.
The perforated plate is a stainless steel plate with a perforation rate of 25%, and the sound absorption cotton is made of glass wool.
The outer cover end socket is an elliptical end socket, and a rib plate is connected between the outer cover end socket and the flow dividing pipe.
After adopting foretell structure, through directly designing the dustcoat into two microlayer structures and set up interconnect's hole crowd silencer and two microlayer perforated plate silencers in the dustcoat, can carry out multistage noise elimination so as to reach the effect of increase noise cancelling volume through two microlayer perforated plate silencers from this, hole crowd silencer and two microlayer structures especially design and connect the two microlayer perforated plate silencers of connecting between shunt tubes and hole crowd silencer through special construction, utilize specific project organization to make it can effectual broadening noise elimination frequency band.
Drawings
FIG. 1 is a schematic view showing the structure of a composite muffler for a steam pipe according to the present invention;
fig. 2 is a schematic structural diagram of a double-micro-layer perforated plate silencer in the utility model.
Detailed Description
The composite muffler for a steam pipe according to the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
As shown in the figure, the combined muffler for the steam pipeline comprises an outer cover 1 and a shunt pipe 3 extending into the outer cover 1, wherein one end of the outer cover 1 is provided with an oval outer cover end socket 10, the shunt pipe 3 is fixedly installed through the outer cover end socket 10, and a rib plate 19 is connected between the outer cover end socket 10 and the shunt pipe 3; the sound absorption cotton 11, the perforated plate 12, the second rear plate 13 and the second front plate 14 are sequentially arranged on the inner wall of the outer cover 1 from outside to inside, the upper end and the lower end of the outer cover 1 are respectively provided with a support ring 15 for sealing the upper end and the lower end of the sound absorption cotton 11, the perforated plate 12, the second rear plate 13 and the second front plate 14, a cavity formed between the perforated plate 12 and the outer cover 1 is filled with the sound absorption cotton 11, and a second rear cavity 17 formed between the perforated plate 12 and the second rear plate 13 and a second front cavity 18 formed between the second rear plate 13 and the second front plate 14 jointly form the double-micro-layer structure 5; the shell 1 is also internally provided with a hole group silencer 2 and a double-micro-layer perforated plate silencer 4 connected between a shunt pipe 3 and the hole group silencer 2, actually, the shunt pipe 3 has two sections, one section of the shunt pipe 3 is connected to the bottom of the double-micro-layer perforated plate silencer 4 and is connected with a pipeline, the other section of the shunt pipe 3 is connected to the top of the double-micro-layer perforated plate silencer 4 and extends into the hole group silencer 2, and meanwhile, a shunt pipe end socket positioned in the hole group silencer 2 is arranged at the top of the shunt pipe 3, so that the double-micro-layer perforated plate silencer 4 is positioned between the shunt pipe 3 and the hole group silencer 2; as shown in fig. 2, the double-micro-layer perforated-plate muffler 4 comprises a housing, a first front plate 6 positioned inside the housing, and a first rear plate 7 positioned between the housing and the first front plate 6, a first front cavity 8 is formed between the first front plate 6 and the first rear plate 7, a first rear cavity 9 is formed between the housing and the first rear plate 7, a double-micro-layer structure 5 is arranged on the inner wall of the housing 1,
through two microlayer perforated plate silencers 4, hole crowd silencer 2 and two microlayer structure 5 can carry out multistage noise elimination.
Further, the cross-sectional shape of the first front plate 6 of the double-micro-layer perforated plate silencer 4 is a trapezoid structure, the first front plate 6, the second front plate 14 and the second rear plate 13 are all cylindrical structures, the first front plate 6, the first rear plate 7, the second rear plate 13 and the second front plate 14 are all made of stainless steel plates with the perforation rate of 2% and the thickness of 0.8mm-1mm, the perforated plate 12 is a stainless steel plate with the perforation rate of 25%, and the sound absorption cotton 11 is made of glass wool.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a combined type silencer for steam conduit, includes dustcoat (1) and stretches into shunt tubes (3) in dustcoat (1), its characterized in that: still be provided with hole crowd muffler (2) and connect two microlayer perforated plate silencers (4) between shunt tubes (3) and hole crowd muffler (2) in dustcoat (1), be provided with two microlayer structures (5) on the inner wall of dustcoat (1), through two microlayer perforated plate silencers (4), hole crowd muffler (2) and two microlayer structures (5) can carry out the multistage noise elimination.
2. The composite muffler for a steam pipe as set forth in claim 1, wherein: two microlayer perforated plate silencer (4) include the shell, be located the inboard first front plate (6) of shell and be located shell and first rear plate (7) between first front plate (6), be formed with first front chamber (8) between first front plate (6) and first rear plate (7), be formed with first back chamber (9) between shell and first rear plate (7).
3. The composite muffler for a steam pipe as set forth in claim 2, wherein: one end of the outer cover (1) is provided with an outer cover sealing head (10), and the inner wall of the outer cover (1) is sequentially provided with sound absorption cotton (11), a perforated plate (12), a second rear plate (13) and a second front plate (14) from outside to inside.
4. The composite muffler for steam pipes as set forth in claim 3, wherein: the upper end and the lower end of the outer cover (1) are respectively provided with a support ring (15) used for sealing the upper end and the lower end of the sound absorption cotton (11), the perforated plate (12), the second rear plate (13) and the second front plate (14), a cavity formed between the perforated plate (12) and the outer cover (1) is filled with the sound absorption cotton (11), and a second rear cavity (17) formed between the perforated plate (12) and the second rear plate (13) and a second front cavity (18) formed between the second rear plate (13) and the second front plate (14) jointly form the double-micro-layer structure (5);
the double-micro-layer structure (5) is formed by filling sound absorption cotton (16) in a cavity formed between the perforated plate (12) and the outer cover (1) and a second rear cavity (17) formed between the perforated plate (12) and the second rear plate (13).
5. The composite muffler for steam pipes as set forth in claim 2, wherein: the section shape of a first front layer plate (6) of the double-micro-layer perforated plate silencer (4) is trapezoidal, and the first front layer plate (6), a second front layer plate (14) and a second rear layer plate (13) are all cylindrical structures.
6. The composite muffler for steam pipes as set forth in claim 3 or 4, wherein: the thicknesses of the first front layer plate (6), the first rear layer plate (7), the second rear layer plate (13) and the second front layer plate (14) are all 0.8mm-1 mm.
7. The composite muffler for steam pipes as set forth in claim 6, wherein: the perforated plate (12) is a stainless steel plate with a perforation rate of 25%, and the sound absorption cotton (11) is made of glass wool.
8. The composite muffler for steam pipes as set forth in claim 7, wherein: the outer cover end socket (10) is an elliptical end socket, and a rib plate (19) is connected between the outer cover end socket (10) and the flow dividing pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123251530.8U CN216957432U (en) | 2021-12-22 | 2021-12-22 | Combined type silencer for steam pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123251530.8U CN216957432U (en) | 2021-12-22 | 2021-12-22 | Combined type silencer for steam pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216957432U true CN216957432U (en) | 2022-07-12 |
Family
ID=82310749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123251530.8U Active CN216957432U (en) | 2021-12-22 | 2021-12-22 | Combined type silencer for steam pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216957432U (en) |
-
2021
- 2021-12-22 CN CN202123251530.8U patent/CN216957432U/en active Active
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