CN204829098U - Chemical pipeline sound insulation damping structure - Google Patents
Chemical pipeline sound insulation damping structure Download PDFInfo
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- CN204829098U CN204829098U CN201520614366.8U CN201520614366U CN204829098U CN 204829098 U CN204829098 U CN 204829098U CN 201520614366 U CN201520614366 U CN 201520614366U CN 204829098 U CN204829098 U CN 204829098U
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Abstract
The utility model discloses a chemical pipeline sound insulation damping structure, including damping damping layer, puigging, sound absorbing layer and the protective layer that stacks gradually from inside to outside, damping damping layer is including alternative range upon range of rubber layer and polyurethane layer, the puigging is including range upon range of in turn closely knit layer and foaming layer. The utility model discloses can realize the damping, it gives sound insulation to have concurrently again simultaneously inhales the sound, and the noise reduction effect obviously improves, can reach the noise proof requirement of chemical pipeline damping completely.
Description
Technical field
The utility model relates to chemical pipeline field, is specifically related to a kind of chemical pipeline sound insulation vibration damping structure part.
Background technique
Duct noise is generation or the noise along pipe transmmision in pipeline, mainly refers to the noise that gas or liquid produce when high pressure, high-speed transfer in pipeline.Duct noise is extensively present in daily life and each field of industrial production, and supply gas as the duct noise of petroleum chemical enterprise, thermoelectricity plant and the duct noise that is vented and drainage pipeline noise etc., production, the life of above noise on human all cause serious harm.
Pipeline noise problem causes pipe surface vibration radiation noise because of being connected with vibratory equipment, or be cause pipe surface solid secondary radiation noise due to the impact of pipe interior fluid.Chemical pipeline is exposed to outdoor usually simultaneously, and along with season and geographical position change, circumstance of temperature difference is large, therefore, in chemical pipeline noise abatement engineering, generally will meet following requirement to component used:
1, the damping vibration attenuation performance of wide temperature range application is met, the sound absorption qualities of wideband;
2, high sound transmission loss, particularly low frequency range sound insulation value;
3, easy construction, takes up space little;
The requirements such as 4, high temperature resistant under particular surroundings, corrosion-resistant, fire prevention, insulation.
At present, in order to realize chemical pipeline shock-absorption sound-insulation, general shock-absorption sound-insulation structure or too simple, causes shock-absorption sound-insulation effect bad, or too complicated, causes its preparation process comparatively complicated.In addition, it is comparatively strong also to there is rigidity in existing shock-absorption sound-insulation structure, does not possess corrosion resistance, pipeline noise abatement construction is brought to the problem of extreme difficulties.
Model utility content
The purpose of this utility model is to provide a kind of chemical pipeline sound insulation vibration damping structure part, and solve current shock-absorption sound-insulation structure and do not reach shock-absorption sound-insulation requirement, pliability is poor, cannot realize installing well, the problem that impact construction is fixing.
The utility model for achieving the above object, realizes by the following technical solutions:
A kind of chemical pipeline sound insulation vibration damping structure part; comprise the damping vibration attenuation layer, puigging, sound-absorption layer and the protective layer that stack gradually from inside to outside; described damping vibration attenuation layer comprises alternately laminated rubber layer and polyurethane layer, and described puigging comprises alternately laminated dense layer and foaming layer.In this programme, puigging can adopt existing superimposion of extruding to form by dense layer and foaming layer.
Further, preferably, described rubber layer is nitrile butadiene rubber or butyl rubber.
Further, preferably, the thickness of described damping vibration attenuation layer is 1 ~ 30mm.
Further, preferably, the thickness of described puigging is 1 ~ 4mm.
Further, preferably, described dense layer is PVC, and foaming layer is polyurethane.Dense layer and foaming layer are common concept for a person skilled in the art, PVC material can be used as dense layer, polyurethane material is used as foaming layer.
Further, preferably, described sound-absorption layer is any one in glass wool or aluminium silicate wool or polyurethane foam board or mineral fibre.
Further, preferably, the thickness of described sound-absorption layer is 10 ~ 100mm.
Further, preferably, described protective layer is galvanized sheet iron or aluminium skin, and thickness is 0.5 ~ 2mm.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model adopts the structural type that damping vibration attenuation layer, puigging, sound-absorption layer, protective layer stack gradually, and both achieves vibration damping, and have sound insulating and absorbing concurrently again, weighted sound transmission loss can reach 31 ~ 42dB, and noise reduction significantly improves simultaneously.
(2) the utility model is by being designed to rubber layer by damping vibration attenuation layer and polyurethane layer is alternately formed by stacking, and all possesses good damping property, effectively can reduce low-frequency noise under high temperature and low temperature.
(3) the utility model is by being designed to dense layer by puigging and foaming layer is alternately formed by stacking, because dense layer and foaming layer have different impedance ratios, sound is different in the velocity of propagation of different layers, each bed boundary all can produce reflection, compared with traditional puigging, sound transmission loss is larger, and quality is lighter.
(4) the utility model has good heat resistance, weatherability, corrosion resistance, flame retarding (more than B1 level) and the innocuousness to environment, fully meets the applied environment of chemical pipeline.
Accompanying drawing explanation
Fig. 1 is tangent plane structural representation of the present utility model;
Fig. 2 is the tangent plane structural representation of damping vibration attenuation layer;
Fig. 3 is the tangent plane structural representation of puigging.
The name that in figure, reference character is corresponding is called:
1, damping vibration attenuation layer, 2, puigging, 3, sound-absorption layer, 4, protective layer, 5, chemical pipeline, 11, rubber layer, 12, polyurethane layer, 21, dense layer, 22, foaming layer.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but mode of execution of the present utility model is not limited thereto.
Embodiment 1:
A kind of chemical pipeline sound insulation vibration damping structure part: be respectively damping vibration attenuation layer 1, puigging 2, sound-absorption layer 3 and protective layer 4 from inside to outside; damping vibration attenuation layer 1 comprises alternately laminated rubber layer 11 and polyurethane layer 12; the thickness of damping vibration attenuation layer 1 is 3mm; puigging 2 comprises alternately laminated dense layer 21 and foaming layer 22; dense layer 21 selects PVC; polyurethane is selected in foaming layer 22; puigging 2 thickness be 1mm; sound-absorption layer is that 10mm heavy sheet glass is cotton; protective layer is the thick aluminium skin of 0.5mm, adopts Method for bonding to make structural member be wrapped in the outside of chemical pipeline 5.
Structural member major parameter: thickness is 14.5mm, surface density is 3.1kg/ ㎡, weighted transmission loss R
w(Cr, Ctr)=31 (-1 ,-4) dB(GB/T19889-2005), data are as shown in table 1.
Structural member sound transmission loss at different frequencies in table 1 embodiment 1
| Frequency/Hz | 100 | 125 | 160 | 200 | 250 | 315 | 400 | 500 |
| Sound transmission loss/dB | 6.7 | 18.5 | 18.9 | 21.3 | 21.9 | 23.3 | 24.9 | 26.3 |
| Frequency/Hz | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 |
| Sound transmission loss/dB | 29.4 | 30.7 | 32.0 | 32.7 | 35.0 | 36.6 | 39.1 | 40.3 |
Embodiment 2:
A kind of chemical pipeline sound insulation vibration damping structure part: be respectively damping vibration attenuation layer 1, puigging 2, sound-absorption layer 3 and protective layer 4 from inside to outside; damping vibration attenuation layer 1 comprises alternately laminated rubber layer 11 and polyurethane layer 12; the thickness of damping vibration attenuation layer 1 is 10mm; puigging 2 comprises alternately laminated dense layer 21 and foaming layer 22; dense layer 21 selects PVC; polyurethane is selected in foaming layer 22; puigging 2 thickness be 2mm; sound-absorption layer is that 50mm heavy sheet glass is cotton; protective layer is the thick aluminium skin of 1mm, adopts rivet structural member to be fixed on the outside of chemical pipeline 5.
Structural member major parameter: thickness is 63mm, surface density is 6.4kg/ ㎡, weighted transmission loss R
w(Cr, Ctr)=38 (-1 ,-4) dB(GB/T19889-2005), data are as shown in table 2.
Structural member sound transmission loss at different frequencies in table 2 embodiment 2
| Frequency/Hz | 100 | 125 | 160 | 200 | 250 | 315 | 400 | 500 |
| Sound transmission loss/dB | 22.0 | 25.8 | 25.6 | 27.7 | 28.4 | 27.6 | 28.0 | 30.3 |
| Frequency/Hz | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 |
| Sound transmission loss/dB | 34.0 | 39.4 | 44.5 | 48.4 | 53.8 | 57.4 | 60.4 | 62.3 |
Embodiment 3:
A kind of chemical pipeline sound insulation vibration damping structure part: be respectively damping vibration attenuation layer 1, puigging 2, sound-absorption layer 3 and protective layer 4 from inside to outside; damping vibration attenuation layer 1 comprises alternately laminated rubber layer 11 and polyurethane layer 12; the thickness of damping vibration attenuation layer 1 is 20mm; puigging 2 comprises alternately laminated dense layer 21 and foaming layer 22; dense layer 21 selects PVC; polyurethane is selected in foaming layer 22; puigging 2 thickness be 3mm; sound-absorption layer is that 80mm heavy sheet glass is cotton; protective layer is the thick aluminium skin of 1.5mm, adopts Method for bonding to make structural member be wrapped in the outside of chemical pipeline 5.
Structural member major parameter: thickness is 104.5mm, surface density is 10.8kg/ ㎡, weighted transmission loss R
w(Cr, Ctr)=35 (-1 ,-4) dB(GB/T19889-2005), data are as shown in table 3.
Structural member sound transmission loss at different frequencies in table 3 embodiment 3
| Frequency/Hz | 100 | 125 | 160 | 200 | 250 | 315 | 400 | 500 |
| Sound transmission loss/dB | 20.2 | 22.7 | 21.3 | 25.8 | 23.3 | 25.6 | 26.0 | 28.4 |
| Frequency/Hz | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 |
| Sound transmission loss/dB | 32.1 | 37.2 | 42.6 | 46.2 | 51.8 | 55.4 | 58.8 | 62.5 |
Embodiment 4:
A kind of chemical pipeline sound insulation vibration damping structure part: be respectively damping vibration attenuation layer 1, puigging 2, sound-absorption layer 3 and protective layer 4 from inside to outside; damping vibration attenuation layer 1 comprises alternately laminated rubber layer 11 and polyurethane layer 12; the thickness of damping vibration attenuation layer 1 is 30mm; puigging 2 comprises alternately laminated dense layer 21 and foaming layer 22; dense layer 21 selects PVC; polyurethane is selected in foaming layer 22; puigging 2 thickness be 4mm; sound-absorption layer is that 100mm heavy sheet glass is cotton; protective layer is the thick aluminium skin of 2mm, adopts Method for bonding and rivet structural member to be fixed on the outside of chemical pipeline 5 simultaneously.
Structural member major parameter: thickness is 136mm, surface density is 15.2kg/ ㎡, weighted transmission loss R
w(Cr, Ctr)=42 (-1 ,-4) dB(GB/T19889-2005), data are as shown in table 1.
Structural member sound transmission loss at different frequencies in table 4 embodiment 4
| Frequency/Hz | 100 | 125 | 160 | 200 | 250 | 315 | 400 | 500 |
| Sound transmission loss/dB | 23.3 | 25.1 | 28.6 | 29.4 | 31.8 | 33.6 | 35.0 | 38.5 |
| Frequency/Hz | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 |
| Sound transmission loss/dB | 40.1 | 43.4 | 48.5 | 50.2 | 55.1 | 58.4 | 62.9 | 64.3 |
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection domain of the present utility model.
Claims (8)
1. a chemical pipeline sound insulation vibration damping structure part; it is characterized in that: comprise the damping vibration attenuation layer (1), puigging (2), sound-absorption layer (3) and the protective layer (4) that stack gradually from inside to outside; described damping vibration attenuation layer (1) comprises alternately laminated rubber layer (11) and polyurethane layer (12), and described puigging (12) comprises alternately laminated dense layer (21) and foaming layer (22).
2. a kind of chemical pipeline sound insulation vibration damping structure part according to claim 1, is characterized in that: described rubber layer (11) is nitrile butadiene rubber or butyl rubber.
3. a kind of chemical pipeline sound insulation vibration damping structure part according to claim 1, is characterized in that: the thickness of described damping vibration attenuation layer (1) is 1 ~ 30mm.
4. a kind of chemical pipeline sound insulation vibration damping structure part according to claim 1, is characterized in that: the thickness of described puigging (2) is 1 ~ 4mm.
5. a kind of chemical pipeline sound insulation vibration damping structure part according to claim 1, it is characterized in that: described dense layer (21) is PVC, foaming layer (22) is polyurethane.
6. a kind of chemical pipeline sound insulation vibration damping structure part according to claim 1, is characterized in that: described sound-absorption layer (3) is any one in glass wool or aluminium silicate wool or polyurethane foam board or mineral fibre.
7. a kind of chemical pipeline sound insulation vibration damping structure part according to claim 1 or 6, is characterized in that: the thickness of described sound-absorption layer (3) is 10 ~ 100mm.
8. a kind of chemical pipeline sound insulation vibration damping structure part according to claim 1, is characterized in that: described protective layer (4) for galvanized sheet iron or aluminium skin, thickness be 0.5 ~ 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520614366.8U CN204829098U (en) | 2015-08-17 | 2015-08-17 | Chemical pipeline sound insulation damping structure |
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| CN201520614366.8U CN204829098U (en) | 2015-08-17 | 2015-08-17 | Chemical pipeline sound insulation damping structure |
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| CN204829098U true CN204829098U (en) | 2015-12-02 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971782A (en) * | 2016-06-24 | 2016-09-28 | 奇瑞汽车股份有限公司 | Air guiding tube and manufacturing method thereof |
| CN106679238A (en) * | 2017-01-06 | 2017-05-17 | 美的集团股份有限公司 | Sound isolation material, compressor and air conditioner |
| CN106837743A (en) * | 2017-01-06 | 2017-06-13 | 美的集团股份有限公司 | Compressor |
| CN106827694A (en) * | 2017-01-06 | 2017-06-13 | 美的集团股份有限公司 | Sound insulating material and its application |
| CN107459780A (en) * | 2016-06-03 | 2017-12-12 | 上海泰瑞电子科技有限公司 | Airduct for air conditioning for automobiles and preparation method thereof |
| CN108488531A (en) * | 2018-06-01 | 2018-09-04 | 佛山市海烨精密塑料制管有限公司 | A kind of draining anti-scratch can noise reduction plastic conduit |
| CN110864180A (en) * | 2019-11-07 | 2020-03-06 | 哈尔滨工程大学 | High-efficient compact sea water pipeline silencer |
| CN112324666A (en) * | 2020-11-05 | 2021-02-05 | 湖南常通压缩机有限公司 | Screw compressor with good sealing performance |
| CN112537263A (en) * | 2020-10-29 | 2021-03-23 | 安徽江淮汽车集团股份有限公司 | Automobile with noise reduction and sound collection device |
-
2015
- 2015-08-17 CN CN201520614366.8U patent/CN204829098U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107459780A (en) * | 2016-06-03 | 2017-12-12 | 上海泰瑞电子科技有限公司 | Airduct for air conditioning for automobiles and preparation method thereof |
| CN105971782A (en) * | 2016-06-24 | 2016-09-28 | 奇瑞汽车股份有限公司 | Air guiding tube and manufacturing method thereof |
| CN106679238A (en) * | 2017-01-06 | 2017-05-17 | 美的集团股份有限公司 | Sound isolation material, compressor and air conditioner |
| CN106837743A (en) * | 2017-01-06 | 2017-06-13 | 美的集团股份有限公司 | Compressor |
| CN106827694A (en) * | 2017-01-06 | 2017-06-13 | 美的集团股份有限公司 | Sound insulating material and its application |
| WO2018126611A1 (en) * | 2017-01-06 | 2018-07-12 | 美的集团股份有限公司 | Compressor |
| CN108488531A (en) * | 2018-06-01 | 2018-09-04 | 佛山市海烨精密塑料制管有限公司 | A kind of draining anti-scratch can noise reduction plastic conduit |
| CN110864180A (en) * | 2019-11-07 | 2020-03-06 | 哈尔滨工程大学 | High-efficient compact sea water pipeline silencer |
| CN112537263A (en) * | 2020-10-29 | 2021-03-23 | 安徽江淮汽车集团股份有限公司 | Automobile with noise reduction and sound collection device |
| CN112324666A (en) * | 2020-11-05 | 2021-02-05 | 湖南常通压缩机有限公司 | Screw compressor with good sealing performance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Address after: In the economic and Technological Development Zone of Sichuan Province, Chengdu City Road 610000 No. 515 dragon industrial city building 7C No. 1 Patentee after: Chengdu Macko Macromolecular Materials Co., Ltd. Address before: In the economic and Technological Development Zone of Sichuan Province, Chengdu City Road 610000 No. 515 dragon industrial city building 7C No. 1 Patentee before: Chengdu Macko Macromoleccular Materials Co., Ltd. |