CN205079638U - Low noise cooling tower - Google Patents
Low noise cooling tower Download PDFInfo
- Publication number
- CN205079638U CN205079638U CN201521014692.1U CN201521014692U CN205079638U CN 205079638 U CN205079638 U CN 205079638U CN 201521014692 U CN201521014692 U CN 201521014692U CN 205079638 U CN205079638 U CN 205079638U
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- noise
- tower body
- packing layer
- cooling tower
- tower
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Abstract
The utility model relates to a low noise cooling tower, including the tower body of erectting, the dryer has been arranged at the top of tower body, install the fan in the dryer, upper portion in the tower body is installed and is received hydrophone and distribution system, the heat transfer packing layer is installed to distribution system's below, lower part in the tower body is provided with the pond, the amortization packing layer is installed to the top in pond, it has the air intake to open on the lateral wall of tower body, the air intake is located the heat transfer packing layer with between the amortization packing layer. The utility model discloses a reverse -flow cooling tower of unilateral air inlet, trickle sound forms the convection current with air inlet wind, and the circulation of tower intrinsic qi is smooth, and the choke area is little, has reduced the propagation of noise, the noise of trickle can effectively be eliminated to the amortization packing layer that sets up in the tower body.
Description
Technical field
The utility model relates to induced cooling tower, specifically a kind of low noise cooling tower.
Background technology
Cooling tower is typical noise and vibration pollution sources in modern architecture, and become environmental protection in recent years and complained one of focus, cooling tower noise treatment seems particularly important.
The main noise of conventional chilling tower is Low Medium Frequency is main circulating fan ventilation noise, and wherein ventilation noise comprises again the air power noise of air-flow generation and the mechanical noise of driving mechanism generation.Because its noise energy is higher and low-frequency noise penetrates, diffracting power is strong, spread scope is far away, so the most outstanding on the impact of surrounding environment.Air intake, air exhausting soundproofing barrier are the most direct, the effective technological means reducing cooling tower wind system noise, and are the technical measures often taked in such Environmental Noise sometimes.Induced cooling tower noise comprises mechanical noise that trickle noise, cooling tower electric machine and transmission device (reduction box and power transmission shaft) produce, fan blade rotates the air power noise, motor and the transmission device that produce and vibrates the solid-borne sound transmission etc. caused.
When cooling tower be in higher position relative to sensitive spot, offside does not have tall and big reflection building, required noise reduction is not very high time, adopt the noise abatement countermeasure that acoustic barrier noise reduction is the most economic beyond doubt, be suitable for.But because cooling tower axial flow blower used pressure head is lower, its air quantity and integral heat sink effect very responsive to the drag losses of sound-attenuating system, to reduce as far as possible and the thermal property of original system is affected, just must reduce as far as possible to propeller fan system enter exhaust resistance loss; For reducing system wind resistance, just need to reduce the air velocity in silencer as far as possible, air-inlet sound eliminator will have enough large air intake cross-sectional flow area, and therefore comparatively will have much difficulty in healing weighing apparatus usually in the necessity of noise elimination noise reduction, thermal property impact and engineering cost etc.
Utility model content
In view of this, in order to solve the large problem of induced cooling tower noise, the utility model provides a kind of noise low and the low noise cooling tower that thermal property is good.
The technical solution of the utility model is: a kind of low noise cooling tower, comprise the tower body of setting, the top layout of described tower body has air duct, in described air duct, blower fan is installed, top in described tower body is provided with water collection device and water distribution system, the below of described water distribution system is provided with heat exchange packing layer, bottom in described tower body is provided with pond, the top in described pond is provided with noise reduction packing layer, the sidewall of described tower body has air inlet, and described air inlet is between described heat exchange packing layer and described noise reduction packing layer.
Further, described noise reduction packing layer is spliced by noise reduction filling block, and described noise reduction filling block adopts modified PVC material, and its structure is hexagon inclined tube passage.
Further, the bottom of described noise reduction filling block is immersed in the water in described pond, and immersion depth is 0-120mm.
Further, described air duct adopts rotary type curved surface, and its material is fiberglass.
Further, the motor of described blower fan is covered with sound proof housing.
Further, described air inlet is provided with wind deflector.
Further, the top perimeter of described tower body is except the position corresponding with described air inlet, and all the other positions are provided with screen of eliminating the noise.
The utility model compared with prior art, has following technique effect: 1, adopt the cooling tower that single admission is reverse-flow, trickle sound and air inlet air intake form convection current, and in tower, air-flow is unobstructed, and wind resistance area is little, reduce the propagation of noise; 2, the noise reduction packing layer arranged in tower body effectively can eliminate the noise of trickle; 3, air duct adopts rotary type curved surface, glass steel material, effectively can absorb the noise that blower fan produces; The motor of 4, blower fan is covered with sound proof housing, noise of motor can be made to be isolated before spreading out of; 5, the noise elimination screen at tower body top effectively can reduce the direction transmission of running noises to screen of eliminating the noise of blower motor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
In Fig. 1-Fig. 2, comprise tower body 1, pond 2, noise reduction packing layer 3, heat exchange packing layer 4, water distribution system 5, water collection device 6, noise elimination screen 7, air duct 8, blower fan 9, motor 10, wind deflector 11, air inlet 12.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Please refer to Fig. 1, Fig. 2, a kind of low noise cooling tower, comprise the tower body 1 of setting, housing structure adopts large-span steel-reinforced concrete frame structure, and tower body wall interior panel and longitudinal and transverse dividing plate are glass epoxy.
The top layout of tower body 1 has air duct 8, is provided with blower fan 9 in air duct 8.
Blower fan 9 adopts the special low noise axial fan of high-strength epoxy glass steel material machinery tower, and blade adopts the blade shape of low noise type, and flap-type is cancelled structure, and air quantity is large, and energy consumption is little, can effectively reduce air outlet noise source, thus reduces whole tower noise.Blower fan 9 has reverse function, to utilize hot-air in tower, eliminates the ice curtain at air inlet 12 place.
Air duct 8 adopts rotary type curved surface, and its material is fiberglass, effectively can absorb the noise that blower fan 9 produces.The motor 10 of blower fan 9 is covered with sound proof housing, and this sound proof housing can make the machinery of motor 10 and electrical noise be effectively controlled, and noise of motor is isolated before spreading out of.
The top perimeter of tower body 1 is except the position corresponding with the air inlet 10 of tower body 1 bottom, and all the other positions are provided with noise elimination screen 7.Noise elimination screen 7 is made up of concrete, and be highly 4.5-5m, thickness is not less than 200mm, and the running noises that effectively can reduce the motor 10 of blower fan 9 transmits to the direction of noise elimination screen 7.
Top in tower body 1 is provided with water collection device 6 and water distribution system 5, and the below of water distribution system 5 is provided with heat exchange packing layer 4, and heat exchange packing layer 4 can increase the contact area of trickle and air, thus improves heat exchange efficiency.
Bottom in tower body 1 is provided with pond 2, and the top in pond 2 is provided with noise reduction packing layer 3, the sidewall of tower body 1 has air inlet 12, and air inlet 12 is between heat exchange packing layer 4 and noise reduction packing layer 3.Air inlet 12 is provided with wind deflector 11, wind deflector 11 plays wind-guiding effect.
Noise reduction packing layer 3 is spliced by noise reduction filling block, and noise reduction filling block adopts modified PVC material, and little pitch of fins design, its structure is hexagon inclined tube passage.Filling block height 300mm, in the water in the immersion pond, bottom 2 of noise reduction filling block, immersion depth is 0-120mm.
The noise-cancelling theory of noise reduction packing layer 3 is: the noise elimination of inclined tube film silent packing adopts the noise-cancelling theory of multilayer silencing barrier screen, slip at a high speed water neutralizing water tank water surface generation shock generation noise at a certain angle when trickle enters inclined tube later, noise clashes into PVC film in inclined tube thin film channel, cause membrane resonant, energy is effectively discharged, thus reaches energy dissipating object.
The cooling tower that the utility model adopts single admission reverse-flow, trickle sound and air inlet air intake form convection current, and technique and structural design make air-flow in tower unobstructed, and wind resistance area is little as far as possible, reduce the propagation of noise.Adopt single admission noise reduction technology while effectively reducing flowing resistance, save blower fan electric energy and building screen cost of eliminating the noise, can significantly reduce noise to surrounding environment influence.Comprehensive source noise of the present utility model the noise at enclosure wall place of factory circle can be controlled in daytime≤65dB (A), night≤55dB (A).
It should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. a low noise cooling tower, comprise the tower body of setting, the top layout of described tower body has air duct, be provided with blower fan in described air duct, the top in described tower body is provided with water collection device and water distribution system, and the below of described water distribution system is provided with heat exchange packing layer, bottom in described tower body is provided with pond, it is characterized by: the top in described pond is provided with noise reduction packing layer, and the sidewall of described tower body has air inlet, described air inlet is between described heat exchange packing layer and described noise reduction packing layer.
2. low noise cooling tower as claimed in claim 1, is characterized by: described noise reduction packing layer is spliced by noise reduction filling block, and described noise reduction filling block adopts modified PVC material, and its structure is hexagon inclined tube passage.
3. low noise cooling tower as claimed in claim 2, is characterized by: the bottom of described noise reduction filling block is immersed in the water in described pond, and immersion depth is 0-120mm.
4. low noise cooling tower as claimed in claim 1, is characterized by: described air duct adopts rotary type curved surface, and its material is fiberglass.
5. low noise cooling tower as claimed in claim 1, is characterized by: the motor of described blower fan is covered with sound proof housing.
6. low noise cooling tower as claimed in claim 1, is characterized by: described air inlet is provided with wind deflector.
7. low noise cooling tower as claimed in claim 1, is characterized by: the top perimeter of described tower body is except the position corresponding with described air inlet, and all the other positions are provided with screen of eliminating the noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521014692.1U CN205079638U (en) | 2015-12-09 | 2015-12-09 | Low noise cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521014692.1U CN205079638U (en) | 2015-12-09 | 2015-12-09 | Low noise cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205079638U true CN205079638U (en) | 2016-03-09 |
Family
ID=55432041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521014692.1U Expired - Fee Related CN205079638U (en) | 2015-12-09 | 2015-12-09 | Low noise cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205079638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651075A (en) * | 2016-03-28 | 2016-06-08 | 江苏海鸥冷却塔股份有限公司 | Cooling tower system |
| CN105977827A (en) * | 2016-05-26 | 2016-09-28 | 沈炜 | Rain-proof electric cabinet |
-
2015
- 2015-12-09 CN CN201521014692.1U patent/CN205079638U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651075A (en) * | 2016-03-28 | 2016-06-08 | 江苏海鸥冷却塔股份有限公司 | Cooling tower system |
| CN105977827A (en) * | 2016-05-26 | 2016-09-28 | 沈炜 | Rain-proof electric cabinet |
| CN105977827B (en) * | 2016-05-26 | 2018-01-16 | 安徽龙和电气科技有限公司 | Rain-proof electric power cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20201209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |