Pipeline wrapping noise reduction structure with variable sound absorption and insulation layer
Patent Information
- Application Number
- CN202522089300.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-28
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-09-28
AI Technical Summary
[0004]本实用新型的目的在于提供一种具有可变吸隔声层的管道包扎降噪结构，以解决背景技术中传统包扎结构因无法适配多变的噪声频谱与振动强度，导致最终降噪效果难以满足实际需求的问题
本实用新型设置一种具有可变吸隔声层的管道包扎降噪结构，可结合管道本体或设备的绝热保温层使用，满足降噪需求，通过可变组合吸隔声层，能够针对管道不同区段的噪声特征进行优化，提升降噪精度与效果，可变组合吸隔声层厚度与层数可根据实际插入损失需求灵活调整，避免材料浪费，降低施工成本，材料选择可根据实际环境需求进行调整，适应不同工业环境需求，具有较好的应用前景。
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Figure CN224786685U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipeline noise reduction technology, specifically a pipeline wrapping noise reduction structure with a variable sound absorption and insulation layer. Background Technology
[0002] In industrial sectors such as petrochemicals, power generation, and municipal engineering, pipeline systems are crucial facilities for transporting fluid media. However, during the transport of media, the flow of the media itself, pressure fluctuations, pipe wall friction, and turbulence and impacts generated when passing through valves and other components can induce strong low-to-medium frequency noise and structural vibrations. This results in differences in noise spectrum and vibration intensity at different locations along the pipeline, making it difficult for traditional wrapping structures to achieve effective noise reduction. Furthermore, traditional wrapping structures suffer from problems such as significant pipe vibration transmission, complex pipeline layout, and mismatch between the sound insulation performance of the pipe noise reduction layer and the air sound insulation performance of the material. Moreover, the attenuation of noise and vibration within the pipeline is relatively small with distance, further increasing the difficulty of noise reduction through pipe wrapping and often failing to meet actual needs.
[0003] Based on this, a pipe wrapping noise reduction structure with a variable sound absorption and insulation layer is provided, which can eliminate the drawbacks of existing technical solutions. Utility Model Content
[0004] The purpose of this invention is to provide a pipe wrapping noise reduction structure with a variable sound absorption and insulation layer, so as to solve the problem that the traditional wrapping structure in the background art cannot adapt to the changing noise spectrum and vibration intensity, resulting in the final noise reduction effect failing to meet the actual needs.
[0005] To achieve the above objectives, this utility model provides the following technical solution: A pipe wrapping noise reduction structure with a variable sound absorption and insulation layer includes an elastic anti-coupling layer, a variable combination sound absorption and insulation layer, an air layer, an outer sound insulation layer, and an outer protective layer that are wrapped around the outside of the pipe body in a radial direction from the inside to the outside. The variable combination sound absorption and insulation layer is provided with a plurality of variable combination sound absorption and insulation groups. The variable combination sound absorption and insulation group includes a variable sound absorption layer and a variable sound insulation layer. The variable sound insulation layer is disposed on the side close to the air layer.
[0006] Preferably, the elastic anti-coupling layer is made of any one of foamed rubber and plastic materials, foamed silicone materials, and microfiber materials.
[0007] Preferably, the variable sound-absorbing layer is made of any one of the following materials: microfiber sound-absorbing material, open-cell foamed rubber and plastic, closed-cell foamed rubber and plastic, and foamed silicone material.
[0008] Preferably, the variable sound insulation layer is made of any one of the following materials: nitrile rubber-based sound insulation felt, metal sheet, or fiberglass.
[0009] Preferably, the air layer is made of any one of foamed rubber and foamed silicone, and the air layer is an air gap layer formed by foam material support, and the air layer is disposed on the outside of the variable combination sound absorption and insulation layer.
[0010] Preferably, the outer sound insulation layer is made of the same type of material as the variable sound insulation layer.
[0011] Preferably, the outer protective layer is made of any one of the following materials: aluminum plate, galvanized plate, stainless steel plate, or non-metallic plate.
[0012] Preferably, the thickness of the variable combination sound-absorbing and insulating layer is 1 to 5 mm.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model provides a pipe wrapping noise reduction structure with a variable sound-absorbing and sound-insulating layer. It can be used in conjunction with the insulation layer of the pipe body or equipment to meet noise reduction requirements. Through the variable combination of sound-absorbing and sound-insulating layers, the noise characteristics of different sections of the pipe can be optimized, improving the noise reduction accuracy and effect. The thickness and number of layers of the variable combination sound-absorbing and sound-insulating layer can be flexibly adjusted according to the actual insertion loss requirements, avoiding material waste and reducing construction costs. The material selection can be adjusted according to the actual environmental requirements, adapting to the needs of different industrial environments, and has good application prospects. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of a pipe wrapping noise reduction structure for a single variable combination sound absorption and insulation group.
[0015] Figure 2 for Figure 1 Sectional view at point AA.
[0016] Figure 3 This is a schematic diagram of the structure of the variable sound-absorbing layer and the variable sound-insulating layer.
[0017] Figure 4 A schematic diagram of a pipe wrapping noise reduction structure with multiple variable combination sound absorption and insulation groups.
[0018] Figure 5 for Figure 4 Sectional view at point BB.
[0019] Figure reference numerals: Pipe body 10, elastic anti-coupling layer 20, variable combination sound absorption and insulation layer 30, variable sound absorption layer 31, variable sound insulation layer 32, air layer 40, external sound insulation layer 50, external protective layer 60. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Example
[0021] In this embodiment, as Figures 1-5 As shown, a pipe wrapping noise reduction structure with a variable sound absorption and insulation layer includes an elastic anti-coupling layer 20, a variable combination sound absorption and insulation layer 30, an air layer 40, an outer sound insulation layer 50, and an outer protective layer 60, which are wrapped radially from the inside out on the outside of the pipe body 10. The variable combination sound absorption and insulation layer 30 is provided with several variable combination sound absorption and insulation groups. The variable combination sound absorption and insulation layer 30 can be customized according to the noise spectrum characteristics to enhance noise reduction in characteristic frequency bands. While meeting noise reduction requirements, it saves materials and reduces costs. The number of variable combination sound absorption and insulation groups can be adjusted according to actual environmental needs, such as... Figure 1 and Figure 4 As shown, the variable refers to the material type, thickness, and number of layers, which can be adjusted according to the noise spectrum. The variable combination sound absorption and insulation layer 30 includes a variable sound absorption layer 31 and a variable sound insulation layer 32, with the variable sound insulation layer 32 disposed on the side close to the air layer 40. Among them, such as Figure 1 and Figure 2 As shown, the elastic anti-coupling layer 20 is made of any one of foamed rubber and plastic materials, foamed silicone materials and microfiber materials. Other flexible materials can also be used according to specific actual needs. The elastic anti-coupling layer 20 has a large elastic anti-coupling property, which can effectively reduce the vibration propagation of the pipe body 10 and increase the insertion loss of the wrapping layer. Among them, such as Figure 3 As shown, the variable sound-absorbing layer 31 is made of any one of the following materials: microfiber sound-absorbing material, open-cell foamed rubber and plastic, closed-cell foamed rubber and plastic, and foamed silicone material. The thickness of the variable sound-absorbing layer 31 needs to be calculated based on the spectrum of the pipe noise. Among them, such as Figure 3 As shown, the variable sound insulation layer 32 is made of any one of the following materials: nitrile rubber-based sound insulation felt, metal sheet, or fiberglass. Other sound insulation materials can also be used according to specific actual needs. Among them, such as Figure 1 and Figure 2 As shown, the air layer 40 is made of any one of foamed rubber and plastic or foamed silicone. The air layer 40 is an air gap layer formed by the support of the foamed material. The air layer 40 is set outside the variable combination sound absorption and insulation layer 30. The foamed material is the supporting structure to form an air cavity. The air layer 40 is supported by the foamed material to form segmented air cavities. Among them, such as Figure 1 and Figure 2 As shown, the outer sound insulation layer 50 and the variable sound insulation layer 32 are made of the same type of material; Among them, such as Figure 1 and Figure 2 As shown, the outer protective layer 60 is made of any one of the following materials: aluminum plate, galvanized plate, stainless steel plate, or non-metallic plate. The appropriate material can be selected according to the specific actual needs. Example
[0022] The difference from Example 1 is that, as in Example 1, Figure 1 As shown, the thickness of the variable combination sound-absorbing and sound-insulating layer 30 is 1-5mm, the minimum air sound insulation of the variable combination sound-absorbing and sound-insulating layer 30 is at least 20dB, the thickness of the variable combination sound-absorbing and sound-insulating layer 30 needs to be calculated according to the pipe insertion loss requirements, and the number of variable combination sound-absorbing and sound-insulating layers 30 can be selected according to the pipe noise reduction insertion loss requirements. In use, the pipe wrapping noise reduction structure achieves sound absorption and sound insulation control of pipe noise through a multi-layer design. The elastic anti-coupling layer 20 is closely attached to the pipe body 10, and its highly elastic material effectively isolates pipe vibration, reduces structural sound transmission, and improves insertion loss. The variable combination sound absorption and insulation layer 30 is composed of a variable sound absorption layer 31 and a variable sound insulation layer 32. It can be customized and the number of layers can be adjusted according to the noise spectrum characteristics of different sections of the pipe to achieve targeted suppression of noise in specific frequency bands. The air layer 40 is made of segmented foam material, which can form an air sound insulation cavity to further enhance the mid-low frequency sound insulation effect, while avoiding the sound bridge effect. The outer sound insulation layer 50 and the outer protective layer 60 can provide the final external sound insulation protection effect and extend the overall service life.
[0023] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A pipe wrapping noise reduction structure with a variable sound-absorbing and sound-insulating layer, characterized in that, The system includes an elastic anti-coupling layer (20), a variable combination sound-absorbing and sound-insulating layer (30), an air layer (40), an outer sound-insulating layer (50), and an outer protective layer (60) that are wrapped around the outside of the pipe body (10) in a radial direction from the inside to the outside. The variable combination sound-absorbing and sound-insulating layer (30) is provided with several variable combination sound-absorbing and sound-insulating groups. The variable combination sound-absorbing and sound-insulating group includes a variable sound-absorbing layer (31) and a variable sound-insulating layer (32). The variable sound-insulating layer (32) is located on the side close to the air layer (40).
2. The pipe wrapping noise reduction structure with a variable sound-absorbing and sound-insulating layer according to claim 1, characterized in that, The elastic anti-coupling layer (20) is made of any one of the following materials: foamed rubber and plastic material, foamed silicone material, and microfiber material.
3. The pipe wrapping noise reduction structure with a variable sound-absorbing and sound-insulating layer according to claim 1, characterized in that, The variable sound-absorbing layer (31) is made of any one of the following materials: microfiber sound-absorbing material, open-cell foamed rubber and plastic, closed-cell foamed rubber and plastic, or foamed silicone material.
4. The pipe wrapping noise reduction structure with a variable sound-absorbing and sound-insulating layer according to claim 1, characterized in that, The variable sound insulation layer (32) is made of any one of the following materials: nitrile rubber-based sound insulation felt, metal plate, or fiberglass.
5. A pipe wrapping noise reduction structure with a variable sound-absorbing and sound-insulating layer according to claim 1, characterized in that, The air layer (40) is made of any one of foamed rubber and foamed silicone. The air layer (40) is an air gap layer formed by foamed material support. The air layer (40) is located outside the variable combination sound absorption and insulation layer (30).
6. The pipe wrapping noise reduction structure with a variable sound-absorbing and sound-insulating layer according to claim 1, characterized in that, The outer sound insulation layer (50) is made of the same type of material as the variable sound insulation layer (32).
7. A pipe wrapping noise reduction structure with a variable sound-absorbing and sound-insulating layer according to claim 1, characterized in that, The outer protective layer (60) is made of any one of the following materials: aluminum plate, galvanized plate, stainless steel plate, or non-metallic plate.
8. The pipe wrapping noise reduction structure with a variable sound-absorbing and sound-insulating layer according to claim 1, characterized in that, The thickness of the variable combination sound-absorbing and insulating layer (30) is 1 to 5 mm.