CN102607294B - Cooling tower silencing structure - Google Patents
Cooling tower silencing structure Download PDFInfo
- Publication number
- CN102607294B CN102607294B CN2011102747434A CN201110274743A CN102607294B CN 102607294 B CN102607294 B CN 102607294B CN 2011102747434 A CN2011102747434 A CN 2011102747434A CN 201110274743 A CN201110274743 A CN 201110274743A CN 102607294 B CN102607294 B CN 102607294B
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- China
- Prior art keywords
- cooling tower
- air
- air outlet
- noise
- moulding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 59
- 230000030279 gene silencing Effects 0.000 title claims abstract description 23
- 238000000465 moulding Methods 0.000 claims abstract description 18
- 230000003584 silencer Effects 0.000 claims abstract description 9
- 230000008030 elimination Effects 0.000 claims description 12
- 238000003379 elimination reaction Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000002745 absorbent Effects 0.000 claims description 7
- 239000002250 absorbent Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 description 10
- 238000009413 insulation Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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- Duct Arrangements (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention relates to a cooling tower silencing structure. An air outlet silencer is arranged on the upper part of a cooling tower, an air inlet silencer is arranged on the lower part of the cooling tower, the air outlet silencer is of an arc-shaped flow guide shape, an expansion silencing area is formed between an air outlet of an axial flow fan and a fa ade on a front platform of the cooling tower, between the arc-shaped flow guide shape, two side surfaces of the cooling tower and an upper platform of the cooling tower, a resistive silencing insert structure is formed by the air outlet part, the air outlet of the air outlet silencer backs noise sensitive spots, and the resistive silencing insert structure of the air outlet silencer at an air outlet part is a 30-degree oblique angle moulding. A labyrinth type silencing structure is formed in the air inlet silencer. The cooling tower silencing structure ensures that the loss of the exhausted air pressure and air quantity of the cooling tower is small.
Description
Technical field
The present invention relates to the technical field that Cooling Tower for Air conditioning System is eliminated the noise, particularly relate to a kind of noise elimination structure that can eliminate the cooling tower buzz airborne noise.
Background technology
Cooling tower, as exchange heat equipment, is widely used in industrial production and commercial field.In recent years, along with the construction of a large amount of skyscrapers in city, the annex of skyscraper is often as the mechanical floor of cooling tower, the noise of cooling tower does not add obstruct, the architecture storey on through side, to the life of resident family, having a rest makes a big impact, the cooling tower buzz event that disturbs residents frequently occurs.
The cooling tower main noise is that Low Medium Frequency is main circulating fan ventilation noise, wherein comprises again the air power noise of air-flow generation and the mechanical noise that driving mechanism produces.Because its sounding position is higher and low-frequency noise penetrates, diffracting power is strong, spread scope is far away, and the most outstanding on the impact of surrounding environment.Because the axial flow fan in cooling tower blast is low, its air quantity and integral heat sink effect are very responsive to the drag losses of sound-attenuating system, therefore the difficult point of cooling tower Noise Treatment just is the contradiction between loud value, wide band noise elimination requirement and cooling tower self ventilation and heat performance, its noise abatement must take into account the relateds such as thermal property, structural manufacturing process, ordinary maintenance, improvement expenses.
Existing cooling tower buzz control measures is mainly, in the axial flow fan in cooling tower outlet, the guiding airduct is set, built-in resistive circular anechoic sheet, effective air-out area of anechoic sheet is the axial flow blower planimetric area, its shortcoming is, larger to blast, the wind loss of axial flow blower.The cooling tower filler district directly arranges the air intake silencing blind, and its shortcoming is that the silencing blind cost is high, sound deadening capacity is not enough.
Summary of the invention
The object of the present invention is to provide a kind of easy for installationly, can effectively eliminate the cooling tower airborne noise transmission, prevent the blast of blower fan of cooling tower, the noise control method of wind loss, meet the cooling tower noise elimination structure of silencer acoustics standard.
The technical solution adopted for the present invention to solve the technical problems is: on cooling tower top, the air-out silencer is set, the air outlet of air outlet silencing device is the main noise sensitive spot dorsad, prevent noise radiation, air outlet silencing device external form is the moulding of arc water conservancy diversion, and the plane between the facade on axial flow blower air outlet and cooling tower front platform, the moulding of arc water conservancy diversion, cooling tower two side elevations, cooling tower two side elevations and cooling tower upper brace has formed the noise elimination breathing space.The air outlet silencing device exports the resistance noise reduction inserted sheet that be arranged in parallel, form the resistance noise reduction plate-inserting structure, the air outlet silencing device is up 30 ° of oblique angle moulding at the resistance noise reduction plate-inserting structure of air-out part, meet the air force code requirement, the hot gas that prevents air outlet reenters packing area, vertical sound insulation baffle plate under the air outlet silencing device is on top, packing area, to avoid hindering the maintenance of cooling tower.Planar structure between facade on the platform of cooling tower front, the moulding of arc water conservancy diversion, two side elevations and two side elevations and cooling tower upper brace is sound insulating layer, inside establish the absorbent treatment peripheral hardware and decorate armour layer, between use sound insulating layer sealing interval, inside establish absorbent treatment, peripheral hardware is decorated armour layer.
The cooling tower bottom arranges air-inlet sound eliminator, the air inlet of air-inlet sound eliminator is towards sensitive point for noise, in the following part in cooling tower filler district, the air-inlet sound eliminator superstructure is down 30 ° of oblique angle moulding, outer is vertical moulding, vertical moulding and packing area distance are the height of packing area, it in the middle of vertical sound insulating layer and packing area, is the sound insulation baffle plate, in the middle of the sound insulation baffle plate, it is sound insulating layer, two limits are absorbent treatment, form the labyrinth type acoustic form of air-inlet sound eliminator, vertical moulding and ground distance are that 1/2 of packing area height is established the air intake louver.Incoming air area meets GB/T50392-2006 " mechanical-draft cooling tower production engineering specifications " 6.3 air inlet 6.3.2 air inlets in the code requirement of the ratio of packing area area.
The invention has the beneficial effects as follows, the air-out blast of axial flow fan in cooling tower, wind loss are little, and the incoming air area of packing area meets code requirement, and the effect of eliminating the cooling tower airborne noise transmission is remarkable.
Below in conjunction with drawings and Examples to further instruction of the present invention.
The accompanying drawing explanation
Fig. 1 is the embodiments of the invention front views.
Fig. 2 is embodiments of the invention texture edge cutaway view.
Fig. 3 is embodiments of the invention structure partial cutaway view.
1. cooling towers in figure, 2. air outlet, 3. air inlet, 4. main noise sensitive spot, 5. air outlet silencing device, 6. air-inlet sound eliminator, 7. arc water conservancy diversion moulding, 8. resistance noise reduction plate-inserting structure, 9. sound insulating layer, 10. absorbent treatment, 11. axial flow blowers, 12. the noise elimination breathing space, 13. packing areas, 14. air intake louvers, 15.30 ° oblique angle, 16. sound insulation baffle plates, 17. decorate armour layer, 18. the labyrinth type acoustic form, 19. upper braces, 20. facades.
The specific embodiment
In Fig. 1, air outlet silencing device (5) is on cooling tower (1) axial flow blower (11) top, and two side elevations (12) are in cooling tower (1) left and right sides, and between cooling tower (1) upper brace (19), is sound insulating layer (9).
At Fig. 2, in embodiment shown in 3, on resistance noise reduction plate-inserting structure (8) part of air outlet silencing device (5), under be 30 ° of oblique angle moulding (15), it between arc water conservancy diversion moulding (7) and axial flow blower (11), is noise elimination breathing space (12), air-inlet sound eliminator (6) top is 30 ° of oblique angle moulding (15), vertical sound insulating layer (9) and packing area (13), middle is sound insulation baffle plate (16), in the middle of sound insulation baffle plate (16), for sound insulating layer (9) two limits, be absorbent treatment (10), form the labyrinth type acoustic form (18) of air-inlet sound eliminator (6), air inlet (3) is used air intake louver (14), air outlet silencing device (5), air-inlet sound eliminator (6), between facade (20) on the platform of cooling tower (1) front and two side elevations (20) and cooling tower upper brace (19), the structure on plane is in sound insulating layer (9) and establishes absorbent treatment (10), peripheral hardware is decorated armour layer (17).
Claims (4)
1. cooling tower noise elimination structure, on cooling tower top, the air-out silencer is set, the cooling tower bottom arranges air-inlet sound eliminator, it is characterized in that: air outlet silencing device external form is the moulding of arc water conservancy diversion, and the plane between the facade on axial flow blower air outlet and cooling tower front platform, the moulding of arc water conservancy diversion, cooling tower two side elevations, cooling tower two side elevations and cooling tower upper brace has formed the noise elimination breathing space; The air outlet silencing device forms the resistance noise reduction plate-inserting structure; Form the labyrinth type acoustic form in air-inlet sound eliminator.
2. cooling tower noise elimination structure according to claim 1: it is characterized in that, the air outlet of air outlet silencing device is sensitive point for noise dorsad, and the air outlet silencing device is up 30 ° of oblique angle moulding at the resistance noise reduction plate-inserting structure of air-outlet part.
3. cooling tower noise elimination structure according to claim 1: it is characterized in that, the air inlet of air-inlet sound eliminator is towards sensitive point for noise, and in the following part in cooling tower filler district, the air-inlet sound eliminator superstructure is down 30 ° of oblique angle moulding.
4. cooling tower noise elimination structure according to claim 1: it is characterized in that, planar structure between facade on air outlet silencing device, air-inlet sound eliminator and cooling tower front platform, the moulding of arc water conservancy diversion, cooling tower two side elevations and cooling tower upper brace is sound insulating layer, inside establishes the absorbent treatment peripheral hardware and decorates armour layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102747434A CN102607294B (en) | 2011-09-16 | 2011-09-16 | Cooling tower silencing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102747434A CN102607294B (en) | 2011-09-16 | 2011-09-16 | Cooling tower silencing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102607294A CN102607294A (en) | 2012-07-25 |
| CN102607294B true CN102607294B (en) | 2013-12-04 |
Family
ID=46524907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102747434A Expired - Fee Related CN102607294B (en) | 2011-09-16 | 2011-09-16 | Cooling tower silencing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102607294B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471418B (en) * | 2013-09-23 | 2015-04-29 | 北京中亚康源环保工程有限公司 | Noise control device for air outlet of large machine ventilation cooling tower |
| CN104197741B (en) * | 2014-09-10 | 2015-07-15 | 诸暨暨诺环境设备有限公司 | Cross flow type cooling tower for central air conditioner |
| CN104296556A (en) * | 2014-10-27 | 2015-01-21 | 安徽三星环保装备制造有限公司 | Hyperbolic cooling tower water spray noise abatement and thermal insulation system |
| CN107084628B (en) * | 2016-02-15 | 2019-07-26 | 厦门嘉达环保科技有限公司 | Hyperbolic cooling tower sound-attenuating system |
| CN107202501B (en) * | 2016-03-18 | 2023-04-14 | 厦门嘉达环保科技有限公司 | Centralized cooling tower ventilation noise reduction system |
| CN105890434B (en) * | 2016-03-29 | 2018-05-15 | 国核电力规划设计研究院 | A kind of power plant cycle water cooling system, cooling means and application |
| CN106610233B (en) * | 2017-01-10 | 2018-05-04 | 吴光明 | A kind of noise-reducing structure for power plant's water cooling tower |
| CN107120984B (en) * | 2017-06-28 | 2018-12-18 | 正升环境科技股份有限公司 | Silencer project amount determines method and device |
| CN108106452B (en) * | 2017-12-22 | 2024-03-26 | 佛山静凉空调环保设备有限公司 | Split type low-noise countercurrent cooling tower |
| CN113776351B (en) * | 2021-08-23 | 2023-12-29 | 中广核工程有限公司 | Air-blast ventilation cooling tower and cooling tower arrangement system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5639286A (en) * | 1995-12-12 | 1997-06-17 | Chen; Chia Shien | Vertical fluid dynamic cooling tower |
| JPH11316089A (en) * | 1998-05-06 | 1999-11-16 | Nemii Kk | Noise reducer for air conditioner |
| CN2692612Y (en) * | 2004-04-14 | 2005-04-13 | 成年标 | Ultralow noise cooling tower |
| CN201199132Y (en) * | 2008-02-26 | 2009-02-25 | 北京绿创声学工程股份有限公司 | Mechanical-draft cooling tower muffler |
| CN201819582U (en) * | 2010-09-16 | 2011-05-04 | 任小平 | Elbow type noise eliminating device of cooling tower of central air conditioner |
-
2011
- 2011-09-16 CN CN2011102747434A patent/CN102607294B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102607294A (en) | 2012-07-25 |
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| C14 | Grant of patent or utility model | ||
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Address after: Siming District Tian CuO road Xiamen City, Fujian province 361009 No. 136 Patentee after: XIAMEN JIADA GREEN CONSTRUCION ENGINEERING Co.,Ltd. Address before: Siming District Tian CuO road Xiamen City, Fujian province 361009 163 number one Patentee before: XIAMEN JIADA GREEN CONSTRUCION ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Siming District Tian CuO road Xiamen City, Fujian province 361009 No. 136 Patentee after: XIAMEN JIADA ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: Siming District Tian CuO road Xiamen City, Fujian province 361009 No. 136 Patentee before: XIAMEN JIADA GREEN CONSTRUCION ENGINEERING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 |