CN209013782U - A kind of new-type cooling tower based on Coanda effect - Google Patents
A kind of new-type cooling tower based on Coanda effect Download PDFInfo
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- CN209013782U CN209013782U CN201821545706.6U CN201821545706U CN209013782U CN 209013782 U CN209013782 U CN 209013782U CN 201821545706 U CN201821545706 U CN 201821545706U CN 209013782 U CN209013782 U CN 209013782U
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Abstract
The utility model discloses a kind of new-type cooling tower based on Coanda effect, high-pressure blowing-in device and high-pressure blowing-in pipeline are provided in tower, the air outlet of the high-pressure blowing-in device is connect with high-pressure blowing-in pipeline, the high-pressure blowing-in pipeline streams high pressure gas to air-out nozzle device, and the air-out nozzle device is the closed channel of gas collection structure for having inner cavity.The utility model will not generate the vortex and rotational noise that axial flow fan blade is generated by cutting air, it also avoids because to the quadratic noise of external radiation when the tower body solid members that axial flow blower power section generates are vibrated, propagated in siding, 40% is reduced than traditional cooling tower power consumption, power consumption ratio can be down to 0.02kw/ (m3/ h), it eliminates the high failure rate for avoiding these components in exhausting power system components damp and hot, with the mechanical draft formula cooling tower to work in mordant air environment and serious problem is lost, save the maintenance cost in later period.
Description
Technical field
The utility model belongs to cooling tower technical field, specially a kind of new-type cooling tower based on Coanda effect.
Background technique
Currently, cooling tower in the market is mostly to pass through the electricity installed at chimney fan based on mechanical draft formula cooling tower
The exhausting dynamical system that rack, motor, speed reducer, belt and axial flow fan blade are assembled into is the dry and cold sky outside cooling tower
Gas, which is pumped into cooling tower, is discharged into atmosphere for damp-heat air with after water progress heat exchange, to achieve the effect that cooling water temperature.Closely
Nian Lai, country and the common people for environmental protection and energy saving pay attention to day by day, this mechanical draft formula cooling tower in terms of energy consumption and noise
Through being paid attention to by everybody, constantly related cooling tower buzz complaint sees space in a newspaper, and cooling tower user is also the energy of cooling tower
Consumption and noise institute are worried.How cooling tower more energy efficient environmental protection, noise lower have become insider research and solve one is made
A new project.The defect and deficiency of the prior art:
1, noise: the vortex and rotation that the axial flow fan blade of mechanical draft formula cooling tower is generated by cutting air are made an uproar
Sound, the rotating machineries such as motor, blower and running part generate under the eccentric force period effects caused by transmission system imbalance
Vibration noise, and then the vibration of caused tower body solid members, when propagating in siding to the quadratic noise of external radiation, this noise like with
Bandwidth and middle low frequency protrusion are characterized, and are propagated remote and are not easy to decay.
2, energy consumption: the power consumption ratio of 5.3 regulation industrial towers in middle-size and small-size cooling tower (GB/T 7190.1-2008) national standard
No more than 0.05kw/ (m3/h)；Other towers are not more than 0.035kw/ (m3/ h), and the power consumption of most of cooling tower on the market
This standard is even higher than than being only somewhat below this standard.
3, since the exhausting power system components of mechanical draft formula cooling tower are at air outlet of cooling tower, each component such as electricity
Machine, retarder, belt, flabellum work in the environment of high temperature and humidity for a long time, along with the corrosive substance in damp-heat air is attached
Each component, the problems such as often frequently occurring mechanical breakdown, parts damages, seriously corroded, later period maintenance maintenance trouble and at
This height.
For the disadvantage of the front prior art, the present invention is based on the research and development of related fields and constantly improvement, Jin Eryou
The generation of this new-type cooling tower.
Utility model content
To solve cooling tower of the existing technology not environmentally, the big defect of noise, it is lower to provide a kind of noise, more saves
Can, and the exhausting power system components high failure rate later period maintenance for solving traditional mechanical draft formula cooling tower maintains trouble cost
A kind of high new-type cooling tower based on Coanda effect.
A kind of new-type cooling tower based on Coanda effect, including high-pressure blowing-in device, air-out nozzle device, high-pressure blowing-in
The air outlet of pipeline, the high-pressure blowing-in device is connect with high-pressure blowing-in pipeline, and the high-pressure blowing-in pipeline streams high pressure gas
To air-out nozzle device, the air-out nozzle device is the closed channel of gas collection structure for having inner cavity.The wind spray nozzle device
Shape can be annular, round or ellipse.
When external hot water enters water distribution system by the water inlet pipe mouth of cooling tower, by water distribution system the heat for needing cooling
Water is uniformly trickled down on filler by cloth sink, and the starting of high-pressure blowing-in device is kept watch by high-pressure blowing-in pipeline and is sent to outlet air
Spray nozzle device sprays, and according to Coanda effect, the air-flow of high-voltage high-speed is sprayed by nozzle along outer nozzle wall upwards, due to viscous
Band effect drives ambient air upward, so that nozzle ring lower part is formed negative pressuren zone, is partially formed higher-pressure region, makes cooling tower
External air continually passes through filler and enters supplement negative pressuren zone air inside cooling tower, when external cold dry air and filler
On hot water carry out heat exchange, cooled water, which flows into after cooling tower collecting-tank to flow out to by effluent pipe mouth, needs cooling water
Equipment is recycled.
Preferably, wherein air-out nozzle device is the closed annular channel of gas collection structure for having inner cavity, high speed and high pressure air-flow
Narrow by lower section meets (nozzle) to spray, and by Coanda effect, adhesive tape surrounding air sprays together, and air output can increase 15-
20 times.Preferably, the shape of air-out nozzle is annular, in the case where the airflow pressure data of high pressure air inlet are constant, is passed through
Solidworks three-dimensional modeling imported into ANASYS fluid analysis software and analyzes fluid, existed according to the data obtained
Using binary, difference fitting air outlet width, air outlet inclination angle and flow 3-D image, ultimate analysis go out ring three times in matlab
The ring width of shape is 1.4mm~3mm, and the angle inclination angle range of annular inner wall and vertical line is 11 °~20 °.
Preferably, the high-pressure blowing-in device includes cabinet, electric control system and is arranged in the intracorporal centrifugal wind of case
Machine and driving motor are sent into air-out nozzle device through high-pressure blowing-in pipeline by the high pressure draught that centrifugal fan generates when starting,
Wherein have among high-pressure blowing-in device and high-pressure blowing-in pipeline and be flexible coupling to reduce vibration, centrifugal blower pedestal also has damping spring
Reduce vibration.Cabinet uses galvanized steel plain sheet sandwich, and interlayer has sound insulation rock wool, cabinet wall setting foaming abatvoix, air inlet
Mouth reduces the noise of high-pressure blowing-in device using composite microporous silencer.
Preferably, it can be opened up respectively according to quantity when the high-pressure blowing-in pipeline streams high pressure gas to air-out nozzle device
Air-valve is respectively set in branch pipe, branch pipe and air-out nozzle device junction, to adjust air-flow equilibrium.Preferably, it is arranged multiple
Guan Shi, the distance between air-out nozzle device of each branch pipe reduce as far as possible, each air-out nozzle device L-angle steel and tower
Body is bolted, and outer edge and cooling tower top plate seal.
Compared with prior art, the advantages of the utility model:
1), compared with the most mechanical draft formula cooling tower in existing market, use axial flow blower as air due to having canceled
Driving will not generate vortex and rotational noise that axial flow fan blade is generated by cutting air, also avoid because of axis stream wind
To the quadratic noise of external radiation when the tower body solid members that mechanomotive force part generates are vibrated, are propagated in siding.
2), the Coanda effect generated using high-pressure blowing-in device, narrow air-out nozzle device, with a small amount of high pressure gas
Raw 15-20 times of the intake of miscarriage meets cooling tower institute required airflow.Cooling tower electric machine energy consumption is reduced, than traditional cooling tower electricity
Consumption reduces by 40%, and power consumption ratio can be down to 0.02kw/ (m3/ h) energy-saving effect is considerable.
3) it, eliminates dynamic in damp and hot exhausting with the mechanical draft formula cooling tower to work in mordant air environment
Force system component avoids the high failure rate of these components and serious problem is lost, saves the maintenance cost in later period.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the positive structure diagram of the utility model embodiment；
Fig. 2 is the schematic side view of the utility model embodiment；
Fig. 3 is the schematic top plan view of the utility model embodiment；
Fig. 4 is the structural schematic diagram of annular air outlet spray nozzle device；
Fig. 5 is the schematic diagram of internal structure of annular air outlet spray nozzle device；
1-1 cools down shell, 1-2 cooling tower collecting-tank, 1-3 high-pressure blowing-in device, 1-4 high-pressure blowing-in pipeline, 1-5 annular
Air-out nozzle device, 1-6 centrifugal fan, 1-7 driving motor, 1-8 body structure, 1-9 electric control system, the soft company of 1-10
It connects, 1-11 air-valve, 1-12 water inlet critical point, 1-13 effluent pipe mouth, 2-1 cooling tower filler, 3-1 water distribution system, 3-2L angle steel, 4-2
Annular air outlet spray nozzle device outer edge, the inner wall of 5-1 annular air outlet spray nozzle device, 5-2 vertical line.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment
A kind of new-type cooling tower based on Coanda effect, including cooling shell 1-1, the cooling interior setting of shell 1-1
There are water distribution system 3-1, water distribution system 3-1 to be arranged with cooling tower filler 2-1, is provided with high-pressure blowing-in in cooling shell 1-1
Device 1-3 and high-pressure blowing-in pipeline 1-4, the air outlet of high-pressure blowing-in device are connect with high-pressure blowing-in pipeline, high-pressure blowing-in pipeline
It is the closed annular gas collection for having inner cavity that high pressure gas, which is streamed to annular air outlet spray nozzle device 1-5, annular air outlet spray nozzle device 1-5,
Channel design, ring width are 1.4mm~3mm, and the angle inclination angle range of the inner wall 51 and vertical line 5-2 of annular air outlet spray nozzle device is
11 °~20 °；High-pressure blowing-in device includes body structure 1-8, electric control system 1-9 and is arranged in the intracorporal centrifugal wind of case
Machine 1-6 and driving motor 1-7；The 1-10 that is flexible coupling is provided among high-pressure blowing-in device 1-3 and high-pressure blowing-in pipeline 1-4；Centrifugation
Be provided with damping spring on the machine base of formula blower 1-6, body structure uses galvanized steel plain sheet sandwich, be provided in interlayer every
Sound rock wool, cabinet wall setting foaming abatvoix；
High-pressure blowing-in pipeline 1-4 opens up 3 branch pipes when high pressure gas is streamed to annular air outlet spray nozzle device 1-5, branch pipe with
Air-valve 1-11 is respectively set in air-out nozzle device junction.The distance between air-out nozzle device of each branch pipe contracts as far as possible
Small, each air-out nozzle device is bolted with L-angle steel and tower body, and outer edge and cooling tower top plate seal.
The utility model focuses on through high-pressure blowing-in device, annular air outlet spray nozzle device, high-pressure blowing-in pipeline
Combination brings a series of benefit come the form for the axial flow blower exhausting for replacing cooling tower traditional.Wherein high-pressure blowing-in device
Position be preferably placed on most the position that can be reduced fan resistance and air-flow sinuous flow, such as make the center line position of cooling tower side
It sets and is overlapped with the high-pressure blowing-in pipeline center line position of air supply device, the production and processing of high-pressure blowing-in device is produced on guarantee wind pressure
Super-silent centrifugal blower and driving motor are preferably selected under the premise of air quantity, body structure is using a variety of noise reductions sound insulation damping
Combination measure, its object is to further reduce noise caused by high-pressure blowing-in device, high-pressure blowing-in device and high pressure
Using being flexible coupling, high-pressure blowing-in pipeline uses circular duct (or rectangular air duct) and annular air outlet nozzle for the connection of air supply duct
Air-valve is preferably filled before each straight tube before device is connected to, the air inlet to adjust several annular air outlet spray nozzle devices is balanced.Ring
Shape spray nozzle device is arranged according to tower-shaped size, is not necessarily 3, be also possible to according to the tower-shaped size of cooling tower it is multiple,
The distance between annular air outlet spray nozzle device is as close as annular air outlet spray nozzle device outer edge 4-2 and cooling tower top plate
It seals, avoids the outer air of tower from flowing back into ring and reduce the air capacity entered in tower from tower packing side, each annular
Air-out nozzle device is bolted with L-angle steel and tower body, guarantees that its is stable and firm.It is this new-type cold based on Coanda effect
But tower is not limited to the cross flow cooling tower of legend demonstration, can also develop as counterflow cooling tower, side air-out formula crossing current
The cooling tower of the forms such as cooling tower.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of new-type cooling tower based on Coanda effect, which is characterized in that be provided with high-pressure blowing-in device and high pressure in tower
The air outlet of air supply duct, the high-pressure blowing-in device is connect with high-pressure blowing-in pipeline, and the high-pressure blowing-in pipeline is by high pressure gas
For streaming to air-out nozzle device, the air-out nozzle device is the closed channel of gas collection structure for having inner cavity.
2. the new-type cooling tower based on Coanda effect as described in claim 1, which is characterized in that the shape of the air-out nozzle
Shape is annular, and annular ring width is 1.4mm~3mm, and the angle inclination angle range of annular inner wall and vertical line is 11 °~20 °.
3. the new-type cooling tower based on Coanda effect as described in claim 1, which is characterized in that the high-pressure blowing-in device
Including cabinet, electric control system and it is arranged in the intracorporal centrifugal fan of case and driving motor.
4. the new-type cooling tower based on Coanda effect as claimed in claim 3, which is characterized in that the high-pressure blowing-in device
It is flexible coupling with being provided among high-pressure blowing-in pipeline.
5. the new-type cooling tower based on Coanda effect as claimed in claim 3, which is characterized in that the centrifugal fan
Damping spring is provided on machine base, the cabinet uses galvanized steel plain sheet sandwich, and sound insulation rock wool, cabinet are provided in interlayer
Inner structural wall setting foaming abatvoix.
6. the new-type cooling tower based on Coanda effect as described in claim 1, which is characterized in that the high-pressure blowing-in pipeline
Branch pipe can be opened up respectively according to quantity when high pressure gas is streamed to air-out nozzle device, branch pipe connect punishment with air-out nozzle device
It She Zhi not air-valve.
7. the new-type cooling tower based on Coanda effect as claimed in claim 6, which is characterized in that when multiple branch pipes are set,
The distance between air-out nozzle device of each branch pipe reduces as far as possible, each air-out nozzle device L-angle steel and tower body spiral shell
It tethers and connects, and outer edge and cooling tower top plate seal.
8. the new-type cooling tower based on Coanda effect as described in claim 1, which is characterized in that the wind spray nozzle device
Shape is round or oval.
9. the new-type cooling tower based on Coanda effect as described in claim 1, which is characterized in that the center of cooling tower side
The high-pressure blowing-in pipeline center line position of line position and air supply device is overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545706.6U CN209013782U (en) | 2018-09-21 | 2018-09-21 | A kind of new-type cooling tower based on Coanda effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545706.6U CN209013782U (en) | 2018-09-21 | 2018-09-21 | A kind of new-type cooling tower based on Coanda effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209013782U true CN209013782U (en) | 2019-06-21 |
Family
ID=66833733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821545706.6U Active CN209013782U (en) | 2018-09-21 | 2018-09-21 | A kind of new-type cooling tower based on Coanda effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209013782U (en) |
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2018
- 2018-09-21 CN CN201821545706.6U patent/CN209013782U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211111 Address after: 528000 1502, zone B, Xianan Yiheng base section, Guicheng Street, Nanhai District, Foshan City, Guangdong Province (residence declaration) Patentee after: Guangdong Zungong cooling equipment Co., Ltd Address before: 450044 No. 38 Mudan Road, high tech Zone, Zhengzhou City, Henan Province Patentee before: Liu Wenhao |
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| TR01 | Transfer of patent right |