CN201819581U - Reverse tapered air guide type silencing device for cooling tower of central air-conditioning system - Google Patents
Reverse tapered air guide type silencing device for cooling tower of central air-conditioning system Download PDFInfo
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- CN201819581U CN201819581U CN2010205318323U CN201020531832U CN201819581U CN 201819581 U CN201819581 U CN 201819581U CN 2010205318323 U CN2010205318323 U CN 2010205318323U CN 201020531832 U CN201020531832 U CN 201020531832U CN 201819581 U CN201819581 U CN 201819581U
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Abstract
The utility model discloses a reverse tapered air guide type silencing device for a cooling tower of a central air-conditioning system. The device comprises the cooling tower and sound absorbing and isolating plates, wherein a silencing air inlet and a silencing air outlet are formed on the cooling tower; the silencing air inlet mainly consists of the sound absorbing and isolating plates, and is arranged at the lower part of the side surface of the cooling tower; the silencing air outlet is arranged on the top of the cooling tower; the outer surface of the cooling tower is enclosed and shielded by the sound absorbing and isolating plates; and a reverse tetragonous sound absorbing air guide cone is arranged in the right center of the top of the cooling tower. The device is special equipment with a series of unified basic structure, using materials, manufacture and assembly method, and has good denoising effect, good ventilating and radiating effect; wind enters from the lower part of the cooling tower through the silencing device, and is exhausted from the upper part of the cooling tower, on the premise of ensuring normal wind inlet, wind exhaust and radiation of the cooling tower, the temperature difference between inlet water and outlet water is 4 DEG C, and the noise of the cooling water can be reduced by over 20dB on the average.
Description
Technical field
The utility model relates to a kind of muffler, relates in particular to a kind of air-condition cooling tower back taper wind-guiding type silencing apparatus.
Background technology
At present, cooling tower is in central air conditioner system equipment, by the heat transmission equipment of water evaporation heat radiation, uses very extensive in building, market, hotel.In service at cooling tower, two main noise sources of cooling tower are: 1, top exhaust outlet axial flow blower mechanical noise and flabellum hit the aerodynamic noise of the higher air particle of water content, wherein, the air power noise that axial flow blower produces is made up of rotational noise and eddy current crack, and this partial noise is divided into air intake noise and air draft noise.2, both sides and the mechanical vibration noise and the tangible water droplet sound in step down.The noise of cooling tower has brought harm and influence to society, has been the requirement of social development to the improvement of cooling tower buzz.The air intake mode of existing cooling tower wind inlet silencing device mainly be around air intake or two sides air intake.If adopt the top air intake, the anechoic sheet of wind inlet silencing device must be consistent with the arranged direction of the anechoic sheet of air draft silencing apparatus, and air inlet and exhaust outlet are nearer apart like this, easily cause the hot and cold air mixed flow, thereby influence the service efficiency of cooling tower.In addition, cooling tower of the prior art seldom is equipped with denoising device, and the occasion of silencer is installed at some, generally be to utilize loose many micropores sound-absorbing material such as super glass wool, mineral wool to reduce noise, but the cooling tower that turns round under the condition can often face Exposure to Sunlight, drench with rain and strong wind in the open, so loose material is easy to sink, deposit, make acoustic attenuation performance descend.The measure of this reduction noise comes down to optionally to block, shield, and the solution that noise problem is not yet in effect also causes ventilation and heat bad, and uses inconvenience, is not the unified special equipment of seriation.The cooling tower that other is produced has more technical progress than cooling tower in the past, and noise is relatively low, about 68～75dB＜A 〉, but still can not reach requirement, still there is noise pollution within the specific limits.At present, still there is not a cover form comparatively fixing, the device that obvious reduction noise performance and maintenance good ventilation radiating effect are arranged of seriation.
The utility model content
At above-mentioned the deficiencies in the prior art part, the purpose of this utility model is: a kind of air-condition cooling tower back taper wind-guiding type silencing apparatus is provided, its basic structure, use material, manufacturing, installation method are the comparatively unified special equipment of a cover seriation, and excellent noise reduction effect, result of ventilating heat dissipation is good, can effectively solve the problem that above-mentioned prior art exists.
To achieve these goals, the technical solution adopted in the utility model is: disclose a kind of air-condition cooling tower back taper wind-guiding type silencing apparatus, it comprises cooling tower and sound-absorbing sound insulationg board, noise elimination air inlet and noise elimination exhaust outlet are arranged on the cooling tower, described noise elimination air inlet mainly is made up of the sound-absorbing sound insulationg board, and be located at the bottom, side of cooling tower, the noise elimination exhaust outlet is located at the top of cooling tower; The outer surface of cooling tower encloses and covers the sound-absorbing sound insulationg board, is provided with down four ribs sound absorption gas deflector cone in the center, top of cooling tower.
Further, described sound-absorbing sound insulationg board is mainly by being positioned at outer field metal perforated plate and color steel filled board and being made up of the holding sheet that the sound absorption fibrous material is filled between the two.
Further, also be provided with in the described holding sheet and can keep the constant keel of the distance of hollow between metal perforated plate and the color steel filled board.
Structure as the sound-absorbing sound insulationg board of one of alternatively's optimal way is, wherein said sound-absorbing sound insulationg board is the individual layer combined type, the thickness of metal perforated plate is 0.5～0.8mm, and color steel filled board is that thickness is the metallic plate of 0.75-1mm, and the clamping thickness of holding sheet is 100mm.
Structure as two sound-absorbing sound insulationg board of alternatively's optimal way is, wherein said sound-absorbing sound insulationg board is double-layer combined, and the thickness of metal perforated plate is 0.5～0.8mm, and the thickness of color steel filled board is 50～100mm, and the clamping thickness of holding sheet is 100mm.
As being shaped as of the cooling tower of one of alternatively's mode, the bottom, side of described cooling tower is outside inclined downward, and the noise elimination air inlet is located at the below, inclined-plane.
As being shaped as of two cooling tower of alternatively's mode, the bottom, side of described cooling tower is that the lateral surface bottom is provided with uncovered boss, and the noise elimination air inlet is located at open-mouth.
As optimal way 1, described sound-absorbing sound insulationg board is the individual layer combined type, and the thickness of metal perforated plate is 0.5～0.8mm, and color steel filled board is that thickness is the metallic plate of 0.75-1mm, and the clamping thickness of holding sheet is 100mm; The bottom, side of described cooling tower is outside inclined downward, and the noise elimination air inlet is located at the below, inclined-plane.
As optimal way 2, described sound-absorbing sound insulationg board is double-layer combined, and the thickness of metal perforated plate is 0.5～0.8mm, and the thickness of color steel filled board is 50～100mm, and the clamping thickness of holding sheet is 100mm; The bottom, side of described cooling tower is outside inclined downward, and the noise elimination air inlet is located at the below, inclined-plane.
As optimal way 3, described sound-absorbing sound insulationg board is the individual layer combined type, and the thickness of metal perforated plate is 0.5～0.8mm, and color steel filled board is that thickness is the metallic plate of 0.75-1mm, and the clamping thickness of holding sheet is 100mm; The bottom, side of described cooling tower is that the lateral surface bottom is provided with uncovered boss, and the noise elimination air inlet is located at open-mouth.
As optimal way 4, described sound-absorbing sound insulationg board is double-layer combined, and the thickness of metal perforated plate is 0.5～0.8mm, and the thickness of color steel filled board is 50～100mm, and the clamping thickness of holding sheet is 100mm; The bottom, side of described cooling tower is that the lateral surface bottom is provided with uncovered boss, and the noise elimination air inlet is located at open-mouth.
Compared with prior art, the beneficial effect that this utility model is brought is: this utility model is simple and reasonable for structure, with the sound-absorbing sound insulationg board cooling tower is all around covered, bottom sound-absorbing sound insulationg board is configured to the lower resistance wind deflector, air from two sides or all around bottom sucks, in cooling tower after the heat exchange, under the effect of axial flow blower, by sound-absorbing sound insulationg board and top row mouthful positive fall four ribs sound absorption awl to around discharging, its noise in the air intake surface bottom, exhaust outlet top is attenuated reduction; The cooling tower body is enclosed fully to be covered, and the noise effect of being insulated against sound reduces.Therefore, this air-condition cooling tower back taper wind-guiding type silencing apparatus is under the requirement of guaranteeing the normal air intake of cooling tower, air draft, heat radiation, and 4 ℃ of the Inlet and outlet water temperature difference can on average reduce cooling tower buzz 20dB＜A〉more than, and on form structure, can unify, can seriation on the specification.
Description of drawings
Fig. 1 is the schematic diagram of individual layer combined type for sound-absorbing sound insulationg board in the utility model;
Fig. 2 is double-layer combined schematic diagram for sound-absorbing sound insulationg board in the utility model;
Fig. 3 is a structural representation of the present utility model;
Fig. 4 is another structural representation of the present utility model.
The specific embodiment
Technique scheme of the present utility model and advantage thereof are not difficult to obtain to understand in depth from the detailed description and accompanying drawing of following selected embodiment.
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Referring to accompanying drawing, this air-condition cooling tower back taper wind-guiding type silencing apparatus comprises cooling tower 1 and sound-absorbing sound insulationg board 5, noise elimination air inlet 3 and noise elimination exhaust outlet 4 are arranged on the cooling tower 1, described noise elimination air inlet 3 mainly is made up of sound-absorbing sound insulationg board 5, and be located at the bottom, side of cooling tower 1, noise elimination exhaust outlet 4 is located at the top of cooling tower 1; The outer surface of cooling tower 1 encloses and covers sound-absorbing sound insulationg board 5, is provided with down four ribs sound absorption gas deflector cone 6 in the center, top of cooling tower 1.The form of four ribs sound absorption gas deflector cone 6 can make the gross area of gas channel progressively expand, and its arrival end and the port of export form streamlined, can effectively absorb sound.
Described sound-absorbing sound insulationg board 5 is mainly by being positioned at outer field metal perforated plate 51 and color steel filled board 53 and being made up of the holding sheet 52 that the sound absorption fibrous material is filled between the two.The unit weight of sound absorption fibrous material is 24～32 kilograms per cubic meter.Also be provided with in the described holding sheet 52 and can keep the constant keel 54 of hollow distance between metal perforated plate 51 and the color steel filled board 53.Described color steel filled board 53 can be cancelled during rearward for rigid face.
As shown in Figure 1, described sound-absorbing sound insulationg board 5 is the individual layer combined type, and the thickness of metal perforated plate 51 is 0.6～0.8mm, and the thickness of color steel filled board 53 is 0.75-1mm, and the thickness of holding sheet 52 is 100mm.
As shown in Figure 2, described sound-absorbing sound insulationg board 5 is double-layer combined, and the thickness of metal perforated plate 51 is 0.5～0.6mm, and the thickness of color steel filled board 53 is 50～100mm, and the thickness of holding sheet 52 is 100mm.
As shown in Figure 3, the bottom, side of described cooling tower 1 is the past outward inclined-plane 21 that has a down dip, and air inlet 3 is located at 21 belows, inclined-plane.
As shown in Figure 4, the bottom, side of described cooling tower 1 is that the lateral surface bottom is provided with uncovered 23 boss 22, and air inlet 3 is located at uncovered 23 places.
As preferred embodiment 1, referring to Fig. 1 and Fig. 3, described sound-absorbing sound insulationg board 5 is the individual layer combined type, and the thickness of metal perforated plate 51 is 0.5～0.8mm, color steel filled board 53 is the metallic plate of 0.75-1mm for thickness, and holding sheet 52 is the sound-absorbing material of 100mm for clamping thickness; The bottom, side of described cooling tower 1 is outside inclined downward 21, and noise elimination air inlet 3 is located at 21 belows, inclined-plane.Oise insulation factor 20dB＜A 〉; Acoustic absorptivity 0.99.
As preferred embodiment 2, referring to Fig. 2 and Fig. 3, described sound-absorbing sound insulationg board 5 is double-layer combined, and the thickness of metal perforated plate 51 is 0.5～0.8mm, and the thickness of color steel filled board 53 is 50～100mm, and the clamping thickness of holding sheet 52 is 100mm; The bottom, side of described cooling tower 1 is outside inclined downward 21, and noise elimination air inlet 3 is located at 21 belows, inclined-plane.Oise insulation factor 30dB＜A 〉; Acoustic absorptivity 0.99.
As preferred embodiment 3, referring to Fig. 1 and Fig. 4, described sound-absorbing sound insulationg board 5 is the individual layer combined type, and the thickness of metal perforated plate 51 is 0.5～0.8mm, color steel filled board 53 is the metallic plate of 0.75-1mm for thickness, and holding sheet 52 is the sound-absorbing material of 100mm for clamping thickness; The bottom, side of described cooling tower 1 is that the lateral surface bottom is provided with uncovered 23 boss 22, and noise elimination air inlet 3 is located at uncovered 23 places.Oise insulation factor 20dB＜A 〉; Acoustic absorptivity 0.99.
As preferred embodiment 4, referring to Fig. 2 and Fig. 4, described sound-absorbing sound insulationg board 5 is double-layer combined, and the thickness of metal perforated plate 51 is 0.5～0.8mm, and the thickness of color steel filled board 53 is 50～100mm, and the clamping thickness of holding sheet 52 is 100mm; The bottom, side of described cooling tower 1 is that the lateral surface bottom is provided with uncovered 23 boss 22, and noise elimination air inlet 3 is located at uncovered 23 places.Oise insulation factor 30dB＜A 〉; Acoustic absorptivity 0.99.
Concrete action principle is: with sound-absorbing sound insulationg board 5 all around covering cooling tower 1, bottom sound-absorbing sound insulationg board 5 is configured to the lower resistance wind deflector, air from two sides or all around bottom sucks, in cooling tower 1 after the heat exchange, under the effect of axial flow blower, by sound-absorbing sound insulationg board 5 and top row mouthful positive fall four ribs sound absorption gas deflector cone 6 to around discharging, its noise in noise elimination air inlet 3 bottoms, noise elimination exhaust outlet 4 tops are attenuated reduction; The tower body of cooling tower 1 is enclosed fully to be covered, and the noise effect of being insulated against sound reduces.Therefore, this air-condition cooling tower back taper wind-guiding type silencing apparatus is under the requirement of guaranteeing the normal air intake of cooling tower, air draft, heat radiation, the water-in and water-out temperature difference can reach 4 ℃, can on average reduce cooling tower buzz 20dB＜A〉more than, and on form structure, can unify, can seriation on the specification, be convenient in cooling tower, apply.
Claims (9)
1. air-condition cooling tower back taper wind-guiding type silencing apparatus, comprise cooling tower (1), noise elimination air inlet (3) and noise elimination exhaust outlet (4) are arranged on the cooling tower (1), it is characterized in that: also comprise sound-absorbing sound insulationg board (5), described noise elimination air inlet (3) mainly is made up of sound-absorbing sound insulationg board (5), and be located at the bottom, side of cooling tower (1), noise elimination exhaust outlet (4) is located at the top of cooling tower (1); The outer surface of cooling tower (1) encloses and covers sound-absorbing sound insulationg board (5), is provided with down four ribs sound absorption gas deflector cone (6) in the center, top of cooling tower (1).
2. air-condition cooling tower back taper wind-guiding type silencing apparatus according to claim 1 is characterized in that: described sound-absorbing sound insulationg board (5) is mainly by being positioned at outer field metal perforated plate (51) and color steel filled board (53) and being made up of the holding sheet (52) that the sound absorption fibrous material is filled between the two.
3. air-condition cooling tower back taper wind-guiding type silencing apparatus according to claim 2 is characterized in that: also be provided with in the described holding sheet (52) and can keep the constant keel (54) of the distance of hollow between metal perforated plate (51) and the color steel filled board (53).
4. air-condition cooling tower back taper wind-guiding type silencing apparatus according to claim 3, it is characterized in that: described sound-absorbing sound insulationg board (5) is the individual layer combined type, the thickness of metal perforated plate (51) is 0.5～0.8mm, color steel filled board (53) is the metallic plate of 0.75-1mm for thickness, and the clamping thickness of holding sheet (52) is 100mm.
5. air-condition cooling tower back taper wind-guiding type silencing apparatus according to claim 3, it is characterized in that: described sound-absorbing sound insulationg board (5) is for double-layer combined, the thickness of metal perforated plate (51) is 0.5～0.8mm, the thickness of color steel filled board (53) is 50～100mm, and the clamping thickness of holding sheet (52) is 100mm.
6. air-condition cooling tower back taper wind-guiding type silencing apparatus according to claim 1 is characterized in that: the bottom, side of described cooling tower (1) is outside inclined downward (21), and noise elimination air inlet (3) is located at below, inclined-plane (21).
7. air-condition cooling tower back taper wind-guiding type silencing apparatus according to claim 1 is characterized in that: the bottom, side of described cooling tower (1) is that the lateral surface bottom is provided with the boss (22) of uncovered (23), and noise elimination air inlet (3) is located at uncovered (23) and is located.
8. according to the described air-condition cooling tower back taper of arbitrary claim wind-guiding type silencing apparatus in claim 4 or 5, it is characterized in that: the bottom, side of described cooling tower (1) is outside inclined downward (21), and noise elimination air inlet (3) is located at below, inclined-plane (21).
9. according to the described air-condition cooling tower back taper of arbitrary claim wind-guiding type silencing apparatus in claim 4 or 5, it is characterized in that: the bottom, side of described cooling tower (1) is that the lateral surface bottom is provided with the boss (22) of uncovered (23), and noise elimination air inlet (3) is located at uncovered (23) and is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205318323U CN201819581U (en) | 2010-09-16 | 2010-09-16 | Reverse tapered air guide type silencing device for cooling tower of central air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205318323U CN201819581U (en) | 2010-09-16 | 2010-09-16 | Reverse tapered air guide type silencing device for cooling tower of central air-conditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN201819581U true CN201819581U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205318323U Expired - Fee Related CN201819581U (en) | 2010-09-16 | 2010-09-16 | Reverse tapered air guide type silencing device for cooling tower of central air-conditioning system |
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| CN (1) | CN201819581U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538570A (en) * | 2012-01-11 | 2012-07-04 | 南京星飞冷却设备股份有限公司 | Energy dissipating water distributor of cross flow type cooling tower with hydrodynamic fan |
| CN104064173A (en) * | 2014-05-08 | 2014-09-24 | 浙江浙能嘉兴发电有限公司 | Noise reduction device for boiler plant of power station |
| CN109734295A (en) * | 2019-02-27 | 2019-05-10 | 中设环保科技有限公司 | A kind of air grid room noise reduction ventilating system |
| CN112566804A (en) * | 2018-08-10 | 2021-03-26 | 标致雪铁龙汽车股份有限公司 | Motor vehicle ventilation unit with noise absorbing screen at internal air inlet |
-
2010
- 2010-09-16 CN CN2010205318323U patent/CN201819581U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538570A (en) * | 2012-01-11 | 2012-07-04 | 南京星飞冷却设备股份有限公司 | Energy dissipating water distributor of cross flow type cooling tower with hydrodynamic fan |
| CN104064173A (en) * | 2014-05-08 | 2014-09-24 | 浙江浙能嘉兴发电有限公司 | Noise reduction device for boiler plant of power station |
| CN112566804A (en) * | 2018-08-10 | 2021-03-26 | 标致雪铁龙汽车股份有限公司 | Motor vehicle ventilation unit with noise absorbing screen at internal air inlet |
| CN109734295A (en) * | 2019-02-27 | 2019-05-10 | 中设环保科技有限公司 | A kind of air grid room noise reduction ventilating system |
| CN109734295B (en) * | 2019-02-27 | 2022-01-04 | 中设环保科技有限公司 | Noise reduction ventilation system for air grid room |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Ren Xiaoping Document name: Notification of Termination of Patent Right |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20120916 |