CN2615622Y - Civil and industrial cooling tower noise eliminating silencer - Google Patents
Civil and industrial cooling tower noise eliminating silencer Download PDFInfo
- Publication number
- CN2615622Y CN2615622Y CN 03206898 CN03206898U CN2615622Y CN 2615622 Y CN2615622 Y CN 2615622Y CN 03206898 CN03206898 CN 03206898 CN 03206898 U CN03206898 U CN 03206898U CN 2615622 Y CN2615622 Y CN 2615622Y
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- cooling tower
- anechoic sheet
- noise
- civilian
- noise reduction
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model relates to a civil and industrial cooling tower noise-abatement device, comprising a soundproof cover arranged outside a cooling tower, wherein the soundproof cover has an air inlet arranged on the two sides and an air outlet arranged on the upper portion, a decompression section is arranged between the air inlet and the soundproof cover, a diffusing section is arranged between the air outlet and the soundproof cover, and an air intake noise-abatement sheet set and an outtake noise-abatement sheet set are individually provided on the air inlet and outlet. As a noise-abatement device is installed on the cooling tower which has no requirement of any change, improvement expenses are saved eventually. In the meantime, sound absorption action of acoustic absorbents can be utilized to absorb noise which travels along a channel and fades gradually, for the noise-abatement sheet sets are arranged on the air inlet and outlet. The utility model which has an obvious noise-abatement effect can be widely applied to the noise-abatement system of the cooling tower.
Description
Technical field
The utility model relates to a kind of noise elimination noise reduction device, particularly about a kind of civilian and industrial crossing current or counterflow cooling tower noise elimination noise reduction device.
Background technology
Cooling tower is a kind of cooling water circulating device that is widely used in civil buildings and the industrial system, the environment around its noise that is produced when operation directly affects.The noise that cooling tower sends mainly consists of the following components: 1, the air power noise of axial flow blower generation be made up of rotational noise and eddy current crack, and this partial noise is divided into air intake noise and air draft noise.2, trickle noise, this partial noise is produced by filler and the water-collecting tray in the potential energy bump cooling tower of water.3, the mechanical noise of motor and drive disk assembly generation.4, the secondary noise of the vibration generation of blower fan rotation causing cooling tower shell.Secondly the air power noise that the noise of cooling tower mainly produces based on axial flow blower is trickle sound.In addition because the blower fan of cooling tower is installed in the outlet of cooling tower, thus the exhaust outlet noise of cooling tower than the high 5-8dB of air inlet noise (A) about.To these noises, people have adopted the whole bag of tricks that it is transformed, but present present situation is: adopt the Barrier method processing of eliminating the noise, exist the intake deficiency, influence the cooling tower cooling effect, defective such as sound deadening capacity is low.Adopt the water surface to lay the padded coaming noise reduction and just reduced trickle sound, and inoperative to pneumatic noise, and the expense height.Adopt air inlet that the method for noise elimination blinds is installed, its sound deadening capacity is low, can not solve the big problem of exhaust outlet noise.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides that a kind of cost is low, noise reduction is high, to the little civilian and industrial cooling tower noise elimination noise reduction device of cooling tower cooling effect influence.
For achieving the above object, the utility model is taked following technical scheme: a kind of civilian and industrial cooling tower noise elimination noise reduction device, it is characterized in that: it comprises that one is arranged on the acoustic hood of cooling tower outside, the both sides of described acoustic hood are respectively arranged with an air inlet, the top of described acoustic hood is provided with an exhaust outlet, describedly advances, is separately installed with on the exhaust outlet by advancing of supporting of steel skeleton, air draft anechoic sheet group.
Describedly advance, the net flow area of exhaust outlet is greater than the advancing of cooling tower, air draft net flow area, make between the advancing of the advancing of described acoustic hood, exhaust outlet and cooling tower, the exhaust outlet and form a gradually closing supercharging section and flaring decompression section respectively.
Anechoic sheet in the described air intake anechoic sheet group is laterally and the outside is downward-sloping slightly stacks.
Anechoic sheet in the described air intake anechoic sheet group is vertical array.
Anechoic sheet in the described air draft anechoic sheet group is vertical order to be arranged, and the top of each described anechoic sheet is provided with a drain tank and the rainhat that is connected with described drain tank, and the bottom of each described anechoic sheet is provided with an apopore.
Described anechoic sheet is made up of Pierced Aluminum Plank mask and the sound-absorbing material that is arranged in the described mask.
The cross sectional shape of described anechoic sheet is a kind of in linear, broken line shape, the shaped form.
The air intake of described anechoic sheet is provided with a kind of in pointed water conservancy diversion point, the circular arc water conservancy diversion point.
The material of described acoustic hood and receipts, diffuser adopts color steel sheet.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is owing to be provided with an acoustic hood in the outside of cooling tower, therefore can install silencing apparatus additional and solve noise problem under situation about cooling tower not being made any change, it is practical.2, the utility model is owing to all be provided with the anechoic sheet group at the advancing of acoustic hood, exhaust outlet, make into and out of the noise of acoustic hood and absorbed in a large number by anechoic sheet, particularly anechoic sheet adopts smooth Pierced Aluminum Plank, it had both had good acoustically effective, had overcome the big shortcoming of general acoustical plate rough surface windage again.3, the utility model is because must be greater than the advancing of cooling tower, air draft net flow area with the advancing of acoustic hood, exhaust outlet net flow area design, therefore between the advancing of the advancing of acoustic hood, exhaust outlet and cooling tower, exhaust outlet, form a gradually closing supercharging section and flaring decompression section respectively, adopt this mode to reclaim power, fit into again, the anechoic sheet setting of exhaust outlet, make noise reduction sound effective value of the present utility model obvious especially, the noise of air inlet can reduce 22dB (A), and the noise of exhaust outlet can reduce 25dB (A).4, the utility model is because downward-sloping slightly with the anechoic sheet outside of air inlet horizontally set, and drain tank and rainhat are set at the vertical exhaust outlet anechoic sheet top that is provided with, simultaneously set out the water hole in the bottom of anechoic sheet, therefore can stop rainwater to enter anechoic sheet inside effectively, both made the rainwater that enters anechoic sheet also can be by very fast discharge, thereby, guaranteed the acoustically effective of anechoic sheet for anechoic sheet provides rainproof function.5, because acoustic hood of the present utility model adopts color steel sheet, therefore the face shaping of cooling device and color are combined together well with surrounding buildings, overcome cooling tower and the inharmonic shortcoming of surrounding buildings thing in the prior art.The utility model can be widely used in the noise elimination noise reduction system of cooling tower.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the schematic top plan view of Fig. 1
Fig. 3 is that the utility model outlet anechoic sheet is provided with schematic diagram
Fig. 4 is the utility model anechoic sheet shape schematic diagram
Fig. 5 is the another kind of anechoic sheet shape of a utility model schematic diagram
Fig. 6 is the pointed shape schematic diagram of the utility model anechoic sheet water conservancy diversion
Fig. 7 is the pointed shape schematic diagram of the another kind of water conservancy diversion of the utility model anechoic sheet
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model comprises that one is arranged on the acoustic hood 1 of cooling tower A outside, the both sides of acoustic hood 1 are provided with an air inlet 2 respectively, one exhaust outlet 3 is set at the top of acoustic hood 1, on each air inlet 2 and exhaust outlet 3, install respectively by advancing of supporting of steel skeleton 4,5, air draft anechoic sheet group 6,7, thereby make the utility model form a large-scale resistive strip-type silencer.Wherein the net flow area of two air inlets 2 and exhaust outlet 3 is greater than the advancing of cooling tower, exhaust outlet net flow area, makes between the advancing of the advancing of acoustic hood 1, exhaust outlet 2,3 and cooling tower, the exhaust outlet and forms a gradually closing supercharging section 8 and flaring decompression section 9 respectively.Anechoic sheet 10 in the anechoic sheet group 6,7 is all formed (as shown in Figure 3) by Pierced Aluminum Plank mask 11 and the sound-absorbing materials 12 such as sound absorption cotton that are arranged in the Pierced Aluminum Plank mask 11, Pierced Aluminum Plank mask 11 smooth surfaces, and windage is little, and acoustically effective is good.Mask 11 also can adopt other material.
As shown in Figure 2, the anechoic sheet 10 in the air intake anechoic sheet group 6 is transverse horizontal from top to bottom and stacks and be fixed on the steel skeleton 4.For waterproof, anechoic sheet 10 outsides of level should be downward-sloping slightly, and the top mask 11 that is arranged on the anechoic sheet 10 at top links together with gradually closing supercharging section 8, does not have the hole on it, and mask 11 two sides of all the other anechoic sheets 10 are perforated plate.In addition, the anechoic sheet 10 in the air intake anechoic sheet group 6 also can be and vertically is arranged on the steel skeleton 4.
As Fig. 1, shown in Figure 3, anechoic sheet 10 in the air draft anechoic sheet group 7 is vertical order to be arranged, and the top of each anechoic sheet 10 is provided with a drain tank 13, is connected with a rainhat 14 on drain tank 13, simultaneously, an apopore 15 is set in the bottom of each anechoic sheet 10.So most of rainwater can be blocked in anechoic sheet 10 outsides, even there is rainwater to enter anechoic sheet 10, also can flow out from apopore 15.
Shown in Fig. 4～7, the cross sectional shape of anechoic sheet 10 can be a different shape, such as: linearity (as Fig. 4, shown in Figure 5), polyline shaped (as Fig. 6, shown in Figure 7), or curve-like etc.At the air intake of anechoic sheet 10, the point 16 that flows backwards can be set, to reduce windage, the shape of water conservancy diversion point 16 can be pointed (as Fig. 4, shown in Figure 6), also can be smooth circular arc (as Fig. 5, shown in Figure 7).
The material of acoustic hood 1 of the present utility model, gradually closing supercharging section 8 and flaring decompression section 9 all can adopt color steel sheet, and it can adopt different colours as required, and itself and surrounding buildings are lumped together.
Claims (10)
1, a kind of civilian and industrial cooling tower noise elimination noise reduction device, it is characterized in that: it comprises that one is arranged on the acoustic hood of cooling tower outside, the both sides of described acoustic hood are respectively arranged with an air inlet, the top of described acoustic hood is provided with an exhaust outlet, describedly advances, is separately installed with on the exhaust outlet by advancing of supporting of steel skeleton, air draft anechoic sheet group.
2, civilian and industrial cooling tower noise elimination noise reduction device as claimed in claim 1, it is characterized in that: describedly advance, the net flow area of exhaust outlet is greater than the advancing of cooling tower, air draft net flow area, make between the advancing of the advancing of described acoustic hood, exhaust outlet and cooling tower, the exhaust outlet and form a gradually closing supercharging section and flaring decompression section respectively.
3, civilian and industrial cooling tower noise elimination noise reduction device as claimed in claim 1 is characterized in that: the anechoic sheet in the described air intake anechoic sheet group is laterally and the outside is downward-sloping slightly stacks.
4, civilian and industrial cooling tower noise elimination noise reduction device as claimed in claim 1, it is characterized in that: the anechoic sheet in the described air intake anechoic sheet group is vertical array.
5, civilian and industrial cooling tower noise elimination noise reduction device as claimed in claim 1, it is characterized in that: the anechoic sheet in the described air draft anechoic sheet group is vertical order and arranges, the top of each described anechoic sheet is provided with a drain tank and the rainhat that is connected with described drain tank, and the bottom of each described anechoic sheet is provided with an apopore.
6, as claim 1 or 2 or 3 or 4 or 5 described civilian and industrial cooling tower noise elimination noise reduction devices, it is characterized in that: described anechoic sheet is made up of Pierced Aluminum Plank mask and the sound-absorbing material that is arranged in the described mask.
7, civilian and industrial cooling tower noise elimination noise reduction device as claimed in claim 6 is characterized in that: the cross sectional shape of described anechoic sheet is a kind of in linear, broken line shape, the shaped form.
8, civilian and industrial cooling tower noise elimination noise reduction device as claimed in claim 6 is characterized in that: the air intake of described anechoic sheet is provided with a kind of in pointed water conservancy diversion point, the circular arc water conservancy diversion point.
9, as claim 1 or 2 or 3 or 4 or 5 or 7 or 8 described civilian and industrial cooling tower noise elimination noise reduction devices, it is characterized in that: the material of described acoustic hood and receipts, diffuser adopts color steel sheet.
10, civilian and industrial cooling tower noise elimination noise reduction device as claimed in claim 6 is characterized in that: the material of described acoustic hood and receipts, diffuser adopts color steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03206898 CN2615622Y (en) | 2003-08-06 | 2003-08-06 | Civil and industrial cooling tower noise eliminating silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03206898 CN2615622Y (en) | 2003-08-06 | 2003-08-06 | Civil and industrial cooling tower noise eliminating silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2615622Y true CN2615622Y (en) | 2004-05-12 |
Family
ID=34241578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03206898 Expired - Lifetime CN2615622Y (en) | 2003-08-06 | 2003-08-06 | Civil and industrial cooling tower noise eliminating silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2615622Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635144B (en) * | 2008-09-23 | 2011-12-28 | 青岛理工大学 | Sound insulation cover with intelligently controlled sound insulation amount |
| CN101377388B (en) * | 2008-09-11 | 2012-01-25 | 金坛市塑料厂 | Sound absorption and noise reduction plate special for cooling tower noise reduction and anti-freezing device |
| CN102679761A (en) * | 2012-05-10 | 2012-09-19 | 上海交通大学 | Ventilation and sound reduction combined system of sound barrier of power plant cooling tower |
| CN106610233A (en) * | 2017-01-10 | 2017-05-03 | 吴光明 | Silencing structure for power plant water cooling tower |
| CN107036457A (en) * | 2017-04-29 | 2017-08-11 | 广州览讯科技开发有限公司 | Install inlet and outlet silencer noise reducing type cooling tower additional |
| CN107084629A (en) * | 2017-04-19 | 2017-08-22 | 华电电力科学研究院 | A kind of bending-type, stepped and ripple type denoising device for cooling tower |
| CN107356129A (en) * | 2017-07-28 | 2017-11-17 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of denoising device of mechanical-draft cooling tower |
| CN109026595A (en) * | 2017-06-08 | 2018-12-18 | 安瑞科(蚌埠)压缩机有限公司 | Gas compressor |
| CN109556272A (en) * | 2019-01-30 | 2019-04-02 | 天津市欣飞同创声学技术有限公司 | A kind of high oise insulation factor acoustic hood |
| CN109611998A (en) * | 2018-11-22 | 2019-04-12 | 烟台市帅恒机械科技有限公司 | A kind of self-cleaning ventilator for building and its working method |
| CN110630380A (en) * | 2019-10-20 | 2019-12-31 | 重庆隆鑫通航发动机制造有限公司 | Generator set |
| CN111207604A (en) * | 2020-02-27 | 2020-05-29 | 华电重工股份有限公司 | High-efficient environment-friendly mechanical draft cooling tower |
-
2003
- 2003-08-06 CN CN 03206898 patent/CN2615622Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377388B (en) * | 2008-09-11 | 2012-01-25 | 金坛市塑料厂 | Sound absorption and noise reduction plate special for cooling tower noise reduction and anti-freezing device |
| CN101635144B (en) * | 2008-09-23 | 2011-12-28 | 青岛理工大学 | Sound insulation cover with intelligently controlled sound insulation amount |
| CN102679761A (en) * | 2012-05-10 | 2012-09-19 | 上海交通大学 | Ventilation and sound reduction combined system of sound barrier of power plant cooling tower |
| CN106610233A (en) * | 2017-01-10 | 2017-05-03 | 吴光明 | Silencing structure for power plant water cooling tower |
| CN107084629A (en) * | 2017-04-19 | 2017-08-22 | 华电电力科学研究院 | A kind of bending-type, stepped and ripple type denoising device for cooling tower |
| CN107036457A (en) * | 2017-04-29 | 2017-08-11 | 广州览讯科技开发有限公司 | Install inlet and outlet silencer noise reducing type cooling tower additional |
| CN109026595A (en) * | 2017-06-08 | 2018-12-18 | 安瑞科(蚌埠)压缩机有限公司 | Gas compressor |
| CN107356129A (en) * | 2017-07-28 | 2017-11-17 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of denoising device of mechanical-draft cooling tower |
| CN109611998A (en) * | 2018-11-22 | 2019-04-12 | 烟台市帅恒机械科技有限公司 | A kind of self-cleaning ventilator for building and its working method |
| CN109611998B (en) * | 2018-11-22 | 2021-06-11 | 陕西西咸新区沣西新城能源发展有限公司 | Self-cleaning ventilator for building and working method thereof |
| CN109556272A (en) * | 2019-01-30 | 2019-04-02 | 天津市欣飞同创声学技术有限公司 | A kind of high oise insulation factor acoustic hood |
| CN110630380A (en) * | 2019-10-20 | 2019-12-31 | 重庆隆鑫通航发动机制造有限公司 | Generator set |
| CN110630380B (en) * | 2019-10-20 | 2023-12-01 | 重庆隆鑫通航发动机制造有限公司 | Generating set |
| CN111207604A (en) * | 2020-02-27 | 2020-05-29 | 华电重工股份有限公司 | High-efficient environment-friendly mechanical draft cooling tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING LVCHUANG ACOUSTIC ENGINEERING CORP Free format text: FORMER OWNER: LUCHUANG ENVIRONMENT PROTECTION SUENCE AND TECHNOLOGY CO., LTD. Effective date: 20050218 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050218 Address after: 102200 No. 28 Zhenxing Road, Changping County, Beijing Patentee after: Beijing Luchuang Acoustic Engineering Co., Ltd. Address before: 100080 Beijing city Haidian District No. 1 Suzhou Street Lvchuang Building 5 Patentee before: Luchuang Environmental Protection Science & Tech. Co., Ltd., Beijing |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING LVCHUANG ACOUSTIC ENGINEERING DESIGN RESEA Free format text: FORMER OWNER: BEIJING LUCHUANG ACOUSTIC ENGINEERING CO., LTD. Effective date: 20090821 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090821 Address after: 28, Zhenxing Road, Changping Park, Zhongguancun science and technology zone, Beijing, Changping District, 102200 Patentee after: Beijing Lvchuang Acoustic Engineering Design Research Institute Co., Ltd Address before: No. 28 Zhenxing Road, Changping County, Beijing, China: 102200 Patentee before: Beijing Luchuang Acoustic Engineering Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130806 Granted publication date: 20040512 |