CN202836258U - Windbreak device improving radiation efficiency of cooling tower - Google Patents
Windbreak device improving radiation efficiency of cooling tower Download PDFInfo
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- CN202836258U CN202836258U CN 201220392998 CN201220392998U CN202836258U CN 202836258 U CN202836258 U CN 202836258U CN 201220392998 CN201220392998 CN 201220392998 CN 201220392998 U CN201220392998 U CN 201220392998U CN 202836258 U CN202836258 U CN 202836258U
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- cooling tower
- air
- blade
- air partition
- windbreak
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Abstract
The utility model discloses a windbreak device improving the radiation efficiency of cooling tower and comprising windbreak blades. The windbreak device is characterized in that it is mounted near the cooling tower with a distance of 5-30m between the windbreak device and cooling tower, the height of the windbreak device is higher than that of the cooling tower air intake, the surrounding area of the cooling tower is fully enclosed, air inducing holes with opening rate of 20% - 60% are distributed evenly on the windbreak blades, and through the windbreak blades open system, the windbreak device automatically adjusts the open area and open angle of the windbreak blades according to different wind speeds and wind direction angles of wind flow, thereby guaranteeing the radiation effect of the cooling tower under various status of wind, effectively decreasing the back pressure, improving the power generation and achieving the goal of energy-saving and emission-reduction.
Description
Technical field
The invention belongs to the environmental protection and energy saving field, be specifically related to a kind ofly be subjected to large wind effect to cause the low problem of heat exchange efficiency for thermal power plant indirect air cooling unit cooling tower, and the air partition device of improving heat radiation efficiency.
Background technology
China's water resource is relatively poor, using water wisely, and water conservation is paid much attention to day by day.At the rich coal water-deficient area of northern China, because air cooling technique has superior water saving ability, present many power plant have adopted the indirect air cooling system of natural ventilation air-cooling tower.
But compare with the conventional cooling system of traditional wet cooling tower, the cooling performance of air cooling system is subjected to the impact of environmental condition larger, and is more responsive to the variation of ambient air temperature and natural wind.An outstanding problem that runs in service is exactly that strong wind is very large on the impact of the air mass flow in the cooling tower, particularly when wind speed greater than 4.0 m/s the time, amount of decrease is obvious along with the increase of ambient wind velocity for air mass flow in the cooling tower, and the cooling tower heat dissipation capacity obviously reduces, and the generated energy of unit is reduced.Meet extreme wind conditions even can force turbine to quit work.
Summary of the invention
Purpose of the present invention is intended to overcome above-mentioned shortcoming, provide a kind of simple in structure, economical and practical, air partition device of improving the cooling tower heat dissipation capacity under the strong wind atmosphere, so that the turbine back pressure of most of operating modes is reduced to early warning back pressure state or normal operating conditions under the strong wind atmosphere.
For achieving the above object, the present invention adopts following solution: the cooling tower periphery at the indirect air cooling unit arranges a kind of air partition.By the inhibition to incoming flow wind, increase the flow of air in the air cooling tower, thereby increase the air cooling tower heat dissipation capacity, low the back of pressure improves generated energy.For different wind speed and direction angles, can automatically adjust by air partition blade open system unlatching zone and the opening angle of air partition blade simultaneously, effectively improve the radiating efficiency of cooling tower.
A kind of air partition device that improves the cooling tower radiating efficiency is arranged on around the cooling tower, and the distance of 5-30 rice is arranged at a distance of cooling tower, and the cooling tower periphery is totally-enclosed.The air partition device comprises bracing frame, bracing frame basis and is installed in air partition blade and air partition blade open system on the bracing frame.It is characterized in that: it is 20%-60% air-guiding hole that percent opening is arranged on the air partition blade, and the pass of air-guiding hole is circular hole, slotted hole, square hole and combination thereof.Air partition blade open system can effectively reduce harmful wind energy to the impact of condenser radiating effect according to the speed of incoming flow wind, unlatching zone and the opening angle that the wind direction angle is regulated the air partition blade automatically, improves generating efficiency.
The angle that described air partition blade is opened is 0o-90o.
Described air partition blade open system is comprised of air velocity transducer, PLC controller and opening device, air velocity transducer is installed in the top of bracing frame, the output of air velocity transducer connects the input of PLC controller, the output of PLC controller connects the input of opening device, opening device control air partition blade.
The operation principle of air partition blade open system is: after air velocity transducer obtains the data such as wind speed, wind direction angle, be converted to fluctuating signal the signal that produces is transferred to the PLC controller, after the calculating of PLC controller, send instruction to opening device by the program of setting, the instruction that opening device sends according to control system will need to open the angle that regional air partition blade is opened to appointment.
Described opening device comprises power set, steel wire rope, assembly pulley, power set comprise motor, gearbox, namely drive cable drum by motor by gearbox, driven the motion of steel wire rope on assembly pulley by reel, steel wire rope connects the two ends of blade, blade is rotated around the central shaft of oneself, and the motor rotation direction determines the opening and closing of blade.
The aperture of described air-guiding hole is 5mm-90mm.
Be that the aperture is that any one size point of 5mm-90mm scope all comprises in the present invention.
The present invention be arranged on thermal power plant indirect air cooling unit cooling tower around, with cooling tower certain distance is arranged, set-up mode is totally-enclosed, the height of air partition is greater than the height of cooling tower bottom air inlet.
The principle of improving heat exchanging efficiency of the present invention is: under the strong wind atmosphere, amount of decrease is obvious along with the increase of ambient wind velocity for the air mass flow in the air cooling tower, and the air cooling tower heat dissipation capacity obviously reduces.By around air cooling tower, air partition being set, utilize the wind characteristic that presses down of air partition blade air-guiding hole, by the inhibition to strong wind, increase the flow of air in the air cooling tower, thereby increase the air cooling tower heat dissipation capacity, low the back of pressure improves generated energy.Simultaneously, by air partition blade open system, according to different wind speed, wind angle, automatically adjust unlatching zone and the angle of air partition blade, can under various different wind regime conditions, promote the cooling tower radiating effect.
Compared with prior art, the present invention has following advantage:
1, the present invention be utilize air partition press down the wind principle, the flowing and heat dissipation capacity of air in the reducing wind speed, air cooling tower, Effective Raise generated energy, economical and practical.
2, the present invention can be according to the different wind speed and direction angles of incoming flow wind, automatically regulate unlatching zone and the opening angle of air partition blade by air partition blade open system, guaranteed the radiating effect of cooling tower under the various wind regime, thereby effective low the back of pressure, improve generated energy, play the effect of energy-saving and emission-reduction.
Description of drawings:
Fig. 1 is the use state diagram of the embodiment of the invention.
Fig. 2 is the partial structurtes schematic diagram of the embodiment of the invention.
Fig. 3 is the structure chart of air partition blade open system in the embodiment of the invention.
[0019] among the figure: 1, cooling tower, 2, improve the air partition device of cooling tower radiating efficiency, 3, bracing frame, 4, the air partition blade, 5, air partition blade open system, 6, air velocity transducer, 7, controller, 8, signal output system.
The specific embodiment
Embodiment: Fig. 1, Fig. 2, shown in Figure 3, some bracing frames 3 of the present embodiment vertically are fixedly mounted on the bracing frame basis, some air partition blades 4 are installed on the bracing frame, the air velocity transducer 6 of air partition blade open system 5 is installed in the top of bracing frame 3, be evenly equipped with air-guiding hole on the air partition blade 4, the aperture of air-guiding hole is 10mm.
Described air partition blade open system is comprised of air velocity transducer 6, PLC controller 7 and opening device, air velocity transducer 6 is installed in the top of bracing frame 3, the output of air velocity transducer 6 connects the input of PLC controller, the output of PLC controller connects the input of opening device, opening device control air partition blade.
Described opening device comprises power set, steel wire rope, assembly pulley, power set comprise motor, gearbox, namely drive cable drum by motor by gearbox, driven the motion of steel wire rope on assembly pulley by reel, steel wire rope connects the two ends of blade, blade is rotated around the central shaft of oneself, and the motor rotation direction determines the opening and closing of blade.
Air velocity transducer 6 employing models are HC-FS2 in the present embodiment.
It is 6ES5 090-8MA that PLC controller 7 adopts model.
Illustrate: the aperture of air-guiding hole of the present invention is any one size point of 5mm-90mm scope, and omitting the aperture is the description of other embodiment of 5mm-90mm scope.
Claims (5)
1. an air partition device that improves the cooling tower radiating efficiency comprises the air partition blade, it is characterized in that it is arranged on around the cooling tower, and the distance of 5-30 rice is arranged at a distance of cooling tower, and it highly is higher than the height of cooling tower air inlet, and the cooling tower periphery is totally-enclosed; Be evenly equipped with percent opening on the air partition blade and be 20%-60% air-guiding hole, the air partition blade pass is crossed air partition blade open system according to the speed of incoming flow wind, unlatching zone and the opening angle that the wind direction angle is regulated the air partition blade automatically.
2. a kind of air partition device that improves the cooling tower radiating efficiency according to claim 1, it is characterized in that: the aperture of described air-guiding hole is 5mm-90mm, the pass of air-guiding hole is circular hole, slotted hole, square hole and combination thereof.
3. a kind of air partition device that improves the cooling tower radiating efficiency according to claim 1 is characterized in that: the angle that described air partition blade is opened is 0o-90o.
4. a kind of air partition device that improves the cooling tower radiating efficiency according to claim 1, it is characterized in that: described air partition blade open system is comprised of air velocity transducer, PLC controller and opening device, air velocity transducer is installed in the top of bracing frame, the output of air velocity transducer connects the input of PLC controller, the output of PLC controller connects the input of opening device, opening device control air partition blade.
5. a kind of air partition device that improves the cooling tower radiating efficiency according to claim 4, it is characterized in that: described opening device comprises power set, steel wire rope, assembly pulley, power set comprise motor, gearbox, namely drive cable drum by motor by gearbox, driven the motion of steel wire rope on assembly pulley by reel, steel wire rope connects the two ends of blade, and blade is rotated around the central shaft of oneself, and the motor rotation direction determines the opening and closing of blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220392998 CN202836258U (en) | 2012-08-09 | 2012-08-09 | Windbreak device improving radiation efficiency of cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220392998 CN202836258U (en) | 2012-08-09 | 2012-08-09 | Windbreak device improving radiation efficiency of cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202836258U true CN202836258U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220392998 Expired - Lifetime CN202836258U (en) | 2012-08-09 | 2012-08-09 | Windbreak device improving radiation efficiency of cooling tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN202836258U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853683A (en) * | 2012-08-09 | 2013-01-02 | 山西尚风科技股份有限公司 | Windbreak device for improving radiating efficiency of cooling tower |
| CN104457310A (en) * | 2014-10-08 | 2015-03-25 | 东南大学 | Novel indirect type air cooling device for nuclear power plant |
| CN106767121A (en) * | 2016-12-27 | 2017-05-31 | 苏州祥弘源电子科技有限公司 | A kind of automatic temperature controlling recirculated water adjusting means |
| CN111254847A (en) * | 2020-03-22 | 2020-06-09 | 山西尚风科技股份有限公司 | Reversible decompression windbreak device |
-
2012
- 2012-08-09 CN CN 201220392998 patent/CN202836258U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853683A (en) * | 2012-08-09 | 2013-01-02 | 山西尚风科技股份有限公司 | Windbreak device for improving radiating efficiency of cooling tower |
| CN104457310A (en) * | 2014-10-08 | 2015-03-25 | 东南大学 | Novel indirect type air cooling device for nuclear power plant |
| CN106767121A (en) * | 2016-12-27 | 2017-05-31 | 苏州祥弘源电子科技有限公司 | A kind of automatic temperature controlling recirculated water adjusting means |
| CN111254847A (en) * | 2020-03-22 | 2020-06-09 | 山西尚风科技股份有限公司 | Reversible decompression windbreak device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |