CN216925213U - Cooling tower sound barrier - Google Patents
Cooling tower sound barrier Download PDFInfo
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- CN216925213U CN216925213U CN202123289715.8U CN202123289715U CN216925213U CN 216925213 U CN216925213 U CN 216925213U CN 202123289715 U CN202123289715 U CN 202123289715U CN 216925213 U CN216925213 U CN 216925213U
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- shaped steel
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- cooling tower
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Abstract
The utility model provides a cooling tower sound barrier, which relates to the field of noise treatment and comprises the following components: h-shaped steel upright columns which are arranged adjacently; the sound absorption and insulation structure is arranged in the groove of the H-shaped steel upright post and comprises a hollow sealing body consisting of a panel, a back plate and a side plate, the panel, the back plate and the side plate are made of metal composite plates, and sound absorption materials are filled in the sound absorption and insulation structure; the triangular structure is arranged on the panel and is made of a metal composite plate; t type top end structure sets up the top of H shaped steel stand, T type top end structure has the cavity structure, and this application will be inhaled sound insulation structure, triangle-shaped structure and T type top end structure each part and combine through H shaped steel stand, and sound insulation noise reduction is effectual, and the diffusion when triangle-shaped structure can effectual increase sound wave propagation to the surface, and T type structure can increase the sound barrier effectively and diffract the sound path difference, and material corrosion resisting property is good simultaneously, durable.
Description
Technical Field
The utility model relates to the field of noise treatment, in particular to a cooling tower sound barrier.
Background
The problem of environmental noise pollution is one of the hot problems of widespread concern in the social circles in recent years. In recent years, due to the continuous expansion of urban areas and the issuance of GB12348-2008 environmental noise emission Standard of Industrial enterprises and factories, the treatment of noise pollution of cooling towers becomes especially necessary.
At present, most domestic power plants are thermal power generation, a hyperbolic natural ventilation cooling tower is mostly adopted in a cooling system, water cooling is mostly adopted in a cooling mode, main noise is caused by impact of water drops and the water surface and is spread to the periphery from an air inlet of the cooling tower, the natural attenuation of noise level along with distance is very slow, the cooling tower is generally close to the factory boundary from the plane arrangement, the noise generated by water spraying is very large and is about 85dB (A), and the noise is an important noise source which causes the noise standard exceeding of the factory boundary and residential areas. Therefore, the noise of the cooling tower becomes the main cause of the noise exceeding and the noise complaint of the power plant boundary.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sound barrier of a cooling tower, and aims to solve the problems in the prior art.
In order to achieve the above object, an embodiment of the present invention provides a cooling tower sound barrier, including:
the H-shaped steel upright columns which are adjacently arranged are arranged on a civil foundation for fixing the H-shaped steel upright columns;
the sound absorption and insulation structure is arranged in the groove adjacent to the H-shaped steel stand column along the length direction of the H-shaped steel stand column and comprises a hollow sealing body consisting of a panel, a back plate and side plates, the panel, the back plate and the side plates are made of metal composite plates, and sound absorption materials are filled in the sound absorption and insulation structure;
the triangular structures are longitudinally and continuously arranged on the panel and are made of metal composite plates;
the T-shaped top end structure is arranged at the top end of the H-shaped steel stand column and is a cavity structure formed by a baffle, a top end cover plate connected with the baffle and a bottom plate.
Preferably, the sound absorption material is centrifugal glass wool sealed by a PVC packaging material, the centrifugal glass wool is arranged in a strip shape, and the fiber direction of the centrifugal glass wool is perpendicular to the panel and the back plate.
Preferably, the bottom plate is arranged at the top end of the H-shaped steel upright post, and reinforcing ribs are arranged on the H-shaped steel upright post and used for fixing the bottom plate.
Preferably, the H-shaped steel stand column further comprises a stand column bottom plate, the stand column bottom plate is arranged at the bottom end of the H-shaped steel stand column, foundation bolts are preset in the civil engineering foundation and penetrate through the stand column bottom plate, rib plates are further arranged on the stand column bottom plate and are connected with the H-shaped steel stand column and the stand column bottom plate in a welded mode.
Preferably, be provided with spring clip and sealing strip in the recess of H shaped steel stand, spring clip with the sealing strip sets up relatively, spring clip will inhale the sound insulation structure butt in on the sealing strip.
Preferably, the sealing strip is made of chloroprene rubber
Preferably, the interval between the adjacent H-shaped steel columns is 2 m.
The scheme of the utility model has the following beneficial effects:
this application will inhale sound insulation structure, triangle-shaped structure and T type top structure each part and combine through H shaped steel stand, and sound insulation noise reduction effect is good, and the diffusion effect when triangle-shaped structure can effectual increase sound wave spread to the surface, and T type structure can increase the sound barrier effectively and diffract the acoustic path poor, and material corrosion resisting property is good, durable simultaneously.
Drawings
FIG. 1 is a general schematic of the present application;
FIG. 2 is a schematic view of the installation of the sound absorbing and insulating structure and the triangular structure;
FIG. 3 is a schematic cross-sectional view of an H-shaped steel column;
FIG. 4 is a schematic view of a column base plate;
fig. 5 is a schematic view of a T-tip configuration.
[ description of reference ]
1-building a foundation; 2-column bottom plate; 3-H-shaped steel upright posts; 4-sound absorption and insulation structure; 41-a panel; 42-a back plate; 43-side plate; 5-a triangular structure; a 6-T-shaped tip structure; 61-a baffle; 62-a top cover plate;
63-a base plate; 7-bolt; 8-foundation bolts; 9-rib plate; 10-spring clip; 11-a sealing strip; 12-a sound absorbing material; 13-nut.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in figures 1-5, the embodiment of the utility model provides a cooling tower sound barrier, which is arranged on a civil foundation 1 and comprises H-shaped steel columns 3, a sound absorption and insulation structure 4, a triangular structure 5 and a T-shaped top end structure 6, wherein at least 2H-shaped steel columns 3 are arranged. Two adjacent H shaped steel stands 3 interval 2m set up. The bottom of the H-shaped steel upright column 3 is provided with an upright column bottom plate 2 for dispersing the gravity of the H-shaped steel upright column 3. Preferably, a rib plate 9 is further arranged on the upright post bottom plate 2, the rib plate 9 is preferably triangular, one right-angle side is welded with the upright post bottom plate 2, and the other right-angle side is welded with the H-shaped steel upright post 3. Upright column bottom plate 2 buries underground in civil engineering basis 1, is provided with rag bolt 8 in the civil engineering basis 1 to rag bolt 8 passes bottom plate 63 and is connected with nut 13, realizes the fixed of this application. The rib plate 9 strengthens the strength of the connecting structure, improves the overall stability, and the rib plate 9 is formed by cutting channel steel, can produce a transverse continuous welding area and can increase the effective welding area.
Further, a sound absorption and insulation structure 4 is arranged in a groove of the H-shaped steel upright 3, the sound absorption and insulation structure 4 is arranged along the length direction of the H-shaped steel upright 3, the sound absorption and insulation structure 4 is composed of a face plate 41, a back plate 42 and side plates 43, and the face plate 41, the back plate 42 and the side plates 43 form a hollow sealing body. A sound absorbing material 12 is provided within the hollow enclosure. Preferably, the sound absorption material 12 is centrifugal glass wool sealed by PVC packing material, the centrifugal glass wool is arranged in a strip shape, and the fiber direction is perpendicular to the face plate 41 and the back plate 42. The sound absorption and insulation structure 4 is made of metal composite plates. The centrifugal glass wool is an inorganic fiber material prepared by melting glass in a melting furnace, stretching the glass by high-speed rotation of a centrifuge and solidifying the glass in a constant-temperature solidifying furnace, has good sound absorption effect compared with other sound absorption materials, and has the characteristics of no combustion, heat resistance, corrosion resistance, moisture resistance, high sound absorption coefficient, suitability for severe working environments and the like, and the sound absorption coefficient can reach 0.92.
Preferably, the sound absorption and insulation structure 4 has a thickness of 0.1m, and the front plate 41, the back plate 42 and the side plates 43 are fastened by welding or screwing.
Furthermore, a sealing strip 11 and a spring clip 10 are further arranged on the surface of the H-shaped steel upright column 3 opposite to the groove, the spring clip 10 and the sealing strip 11 are oppositely arranged, and the spring clip 10 enables the sound absorption and insulation structure 4 to abut against the sealing strip 11. Preferably, the material of the weather strip 11 is neoprene. The sealing strip 11 avoids the gap between the sound absorption and insulation structure 4 and the groove, improves the noise reduction effect, and simultaneously reduces the vibration between the H-shaped steel stand column 3 and the sound absorption and insulation structure 4.
The sound absorption and insulation structure 4 is further provided with a triangular structure 5 for noise reduction, the triangular structures 5 are longitudinally and continuously arranged on the panel 41, and the triangular structure 5 is provided with a cavity formed by bending and integrally forming a metal composite plate. The triangular structure 5 has a good noise reduction effect, mainly because the triangular structure 5 is additionally provided with a large number of vertical cavities with variable cross sections and irregularities, the effect of noise absorption is increased, and the cross section of each cavity has a good effect of increasing the bandwidth of an absorption frequency band.
The top end of the H-shaped steel upright column 3 is also provided with a T-shaped top end structure 6, the T-shaped top end structure 6 is a structure which is provided with a cavity and consists of a baffle 61, a top end cover plate 62 and a bottom plate 63, the baffle 61 is connected with the top end cover plate 62, and the same T-shaped top end structure 6 is formed by splicing metal composite plates. The bottom plate 63 of the T-shaped top end structure 6 is fixed on the H-shaped steel upright 3 through a fastening bolt 7. Preferably, the length of the T-shaped tip structure 6 is 2 m.
The T-shaped top structure 6 can increase the sound path difference of the sound barrier, thus having good noise reduction effect,
the whole height of this application is 1.2 times of air intake height, and the distance nearest during the installation apart from the cooling tower is 2 times of air intake height.
The metal composite plate has the characteristics of light weight and good sound insulation performance, adopts a three-layer structure of metal plate-plastic hollow plate-metal plate, usually adopts aluminum, copper and titanium as a metal panel, adopts MPPO engineering plastic as a plate core, the plate core has an air layer with certain thickness, the elasticity and the additional absorption effect of the air layer can improve the sound insulation effect, and adopts a catalytic fusion composite technology to combine the panel, the plate core and the back plate.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. A cooling tower sound barrier, comprising:
the H-shaped steel upright columns which are adjacently arranged are arranged on a civil foundation for fixing the H-shaped steel upright columns;
the sound absorption and insulation structure is arranged in the groove adjacent to the H-shaped steel stand column along the length direction of the H-shaped steel stand column and comprises a hollow sealing body consisting of a panel, a back plate and side plates, the panel, the back plate and the side plates are made of metal composite plates, and sound absorption materials are filled in the sound absorption and insulation structure;
the triangular structures are longitudinally and continuously arranged on the panel and are made of metal composite plates;
the T-shaped top end structure is arranged at the top end of the H-shaped steel stand column and is a cavity structure formed by a baffle, a top end cover plate connected with the baffle and a bottom plate.
2. The cooling tower sound barrier of claim 1, wherein: the sound absorption material is centrifugal glass wool sealed by a PVC packaging material, the centrifugal glass wool is arranged in a strip shape, and the fiber direction of the centrifugal glass wool is perpendicular to the panel and the back plate.
3. The cooling tower sound barrier of claim 1, wherein: the bottom plate sets up the top of H shaped steel stand, set up the strengthening rib on the H shaped steel stand, the strengthening rib is used for fixing the bottom plate.
4. The cooling tower sound barrier of claim 3, wherein: the H-shaped steel stand column further comprises a stand column bottom plate, the stand column bottom plate is arranged at the bottom end of the H-shaped steel stand column, foundation bolts are preset in the civil engineering foundation and penetrate through the stand column bottom plate, rib plates are further arranged on the stand column bottom plate and are connected with the H-shaped steel stand column and the stand column bottom plate in a welded mode.
5. The cooling tower sound barrier of claim 4, wherein: be provided with spring clip and sealing strip in the recess of H shaped steel stand, spring clip with the sealing strip sets up relatively, spring clip will inhale sound insulation structure butt in on the sealing strip.
6. The cooling tower sound barrier of claim 5, wherein: the sealing strip is made of chloroprene rubber.
7. The cooling tower sound barrier of claim 1, wherein: the interval between the adjacent H-shaped steel upright columns is 2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289715.8U CN216925213U (en) | 2021-12-24 | 2021-12-24 | Cooling tower sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123289715.8U CN216925213U (en) | 2021-12-24 | 2021-12-24 | Cooling tower sound barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216925213U true CN216925213U (en) | 2022-07-08 |
Family
ID=82255230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123289715.8U Active CN216925213U (en) | 2021-12-24 | 2021-12-24 | Cooling tower sound barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216925213U (en) |
-
2021
- 2021-12-24 CN CN202123289715.8U patent/CN216925213U/en active Active
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