CN210948999U - Be applied to wind generating set's wheel hub water cooling circulation system - Google Patents
Be applied to wind generating set's wheel hub water cooling circulation system Download PDFInfo
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- CN210948999U CN210948999U CN201921858701.3U CN201921858701U CN210948999U CN 210948999 U CN210948999 U CN 210948999U CN 201921858701 U CN201921858701 U CN 201921858701U CN 210948999 U CN210948999 U CN 210948999U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a be applied to wind generating set's wheel hub water cooling circulation system, including consecutive wheel hub cooler and water pump, the wheel hub cooler delivery port passes through the water inlet that outlet pipe way and water pump link to each other, and the water inlet of wheel hub cooler passes through inlet pipe way and water pump delivery port and links to each other, is provided with a radiator on outlet pipe way, and is provided with the overhead tank on inlet pipe way. A temperature sensor, a pressure maintaining valve; the hub cooler consists of an air-water heat exchanger, an axial flow fan and a sheet metal housing, wherein the air-water heat exchanger is provided with a water inlet and a water outlet which are respectively connected with a water inlet pipeline and a water outlet pipeline; the water inlet pipeline is connected with a branch pipeline, one end of the branch pipeline is connected with the pressure tank, and an exhaust valve, a pressure gauge, a pressure switch, a pressure relief valve and a water filling ball valve are sequentially arranged between the other end of the branch pipeline and the pressure tank. The utility model has the advantages of heat transfer volume is big, stable performance, the reliability is high, strong adaptability, maintenance are overhauld conveniently, and is safe convenient.
Description
Technical Field
The utility model relates to a new forms of energy wind power generation field, specific theory, in particular to be applied to wind generating set's wheel hub water cooling circulation system.
Background
Wind power generation is to convert the kinetic energy of wind into electric energy, and is a clean and pollution-free renewable energy source. The wind power generation is very environment-friendly, and the wind energy is huge, so that the wind power generation is increasingly paid attention by various countries in the world.
When the wind generating set operates, a large amount of heat can be generated in the hub, and the inside of the hub is continuously in a high-temperature environment. And as the installed capacity of the wind generating set is gradually increased, the heat productivity of the hub is also obviously increased. It is known that: the heat productivity of the hub of the 2MW wind generating set is 10kW, and the heat productivity of the hub of the 3MW wind generating set reaches 35 kW. Such huge heat must be discharged outside the equipment, otherwise, high-temperature shutdown failure can be caused, even the service life is seriously influenced, and irreversible damage is caused to the wind generating set.
The original hub cooling mode mostly adopts natural ventilation cooling or axial flow fan cooling, and is characterized by low heat exchange efficiency, great influence from external environment temperature, easy access of rainwater and wind sand into the hub, need of regular maintenance and the like. Along with the increasing installed capacity of the wind generating set, the heat productivity of the hub also obviously rises, the requirements on the heat exchange efficiency and the reliability of the hub cooling device are also higher and higher, and the original natural ventilation and axial flow fan cooling heat dissipation modes cannot meet the requirements. The market urgently needs a cooling device which is matched with a large-capacity wind generating set hub and has high heat exchange capacity and high reliability.
SUMMERY OF THE UTILITY MODEL
To the refrigerated technical demand of the big heat transfer volume of large capacity wind generating set wheel hub, the utility model provides a be applied to wind generating set's wheel hub cooling device, during wind generating set's wheel hub was arranged in to the wheel hub cooler, the inside inclosed air cycle cooling circuit that forms of wheel hub, the hot-air that wheel hub operation produced carries out circulative cooling through the fan suction wheel hub cooler.
The hub cooler, the water pump and the radiator are connected into a closed water circulation system through rubber pipes. When the water system operates, cold water enters the hub cooler to take away heat generated by the operation of the hub, the cold water is recycled to the radiator to discharge the heat in the water to the ambient atmosphere, and the cold water enters the hub cooler again after being cooled to perform the above circulation. The specific scheme is as follows:
a hub water cooling circulation system applied to a wind generating set comprises a hub cooler and a water pump which are sequentially connected, wherein a water outlet of the hub cooler is connected with a water inlet of the water pump through a water outlet pipeline, the water inlet of the hub cooler is connected with the water outlet of the water pump through a water inlet pipeline, a radiator is arranged on the water outlet pipeline, and a pressure tank, a temperature sensor and a pressure stabilizing valve are arranged on the water inlet pipeline;
the hub cooler consists of an air-water heat exchanger, an axial flow fan and a sheet metal housing, wherein the air-water heat exchanger is connected with the axial flow fan and is jointly installed in the sheet metal housing, and the air-water heat exchanger is provided with a water inlet and a water outlet which are respectively connected with a water inlet pipeline and a water outlet pipeline;
the water inlet pipeline is connected with a branch pipeline, one end of the branch pipeline is connected with the pressure tank, and an exhaust valve, a pressure gauge, a pressure switch, a pressure release valve and a water filling ball valve are sequentially arranged between the other end of the branch pipeline and the pressure tank.
Further, the pressure relief valve is connected with the water collecting bottle through a connecting pressure relief pipeline.
Compare traditional natural draft cooling and axial fan cooling method, the utility model has the advantages of heat transfer volume is big, stable performance, the reliability is high, strong adaptability, maintenance are overhauld conveniently, safe convenient, inside wheel hub was arranged in to the wheel hub cooler, wheel hub apron only needed to open two holes and supplies the rubber tube business turn over, and the inside confined circulating air that forms of wheel hub cools off, and rainwater and sand can't get into wheel hub, has improved wheel hub's internal environment greatly, has prolonged wheel hub's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is the utility model provides a pair of be applied to wind generating set's wheel hub water cooling circulation system's working principle diagram.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to thoroughly understand the present invention, detailed steps and detailed structures will be provided in the following description so as to explain the technical solution of the present invention. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.
The utility model provides a wheel hub water cooling circulation system applied to wind generating set, which is characterized in that, the wheel hub water cooling circulation system comprises a wheel hub cooler 10 and a water pump 1 which are connected in sequence, the water outlet of the wheel hub cooler 10 is connected with the water inlet of the water pump 1 through a water outlet pipeline 11, the water inlet of the wheel hub cooler 10 is connected with the water outlet of the water pump 1 through a water inlet pipeline 8, a radiator 12 is arranged on the water outlet pipeline 11, and a pressure tank 7, a temperature sensor 9 and a pressure stabilizing valve are arranged on the water inlet pipeline 8;
the hub cooler 10 consists of an air-water heat exchanger, an axial flow fan and a sheet metal housing, wherein the air-water heat exchanger is connected with the axial flow fan and is jointly installed in the sheet metal housing, and the air-water heat exchanger is provided with a water inlet and a water outlet which are respectively connected with a water inlet pipeline 8 and a water outlet pipeline 11;
the water inlet pipeline 8 is connected with a branch pipeline, one end of the branch pipeline is connected with the pressure tank 7, and an exhaust valve 2, a pressure gauge 3, a pressure switch 4, a pressure release valve 5 and a liquid filling ball valve 6 are sequentially arranged between the other end of the branch pipeline and the pressure tank 7.
The utility model provides a be applied to wind generating set's wheel hub cooling device, during wind generating set's wheel hub was arranged in to the wheel hub cooler, the inside inclosed air cycle cooling circuit that forms of wheel hub, the hot-air that wheel hub operation produced inhales the wheel hub cooler through the fan and carries out circulative cooling. The hub cooler 10, the water pump 1 and the radiator 12 are connected into a closed water circulation system through rubber pipes. When the water system runs, cold water enters the hub cooler 10 to take away heat generated by the running of the hub, the cold water is recycled to the radiator to discharge the heat in the water to the ambient atmosphere, and the cold water enters the hub cooler 10 again after being cooled to perform circulation. Meanwhile, the safe and reliable operation of the whole water circulation system is ensured through the exhaust valve 2, the pressure gauge 3, the pressure switch 4, the pressure release valve 5 and the liquid filling ball valve 6 on the branch pipeline.
The function of each component described above is briefly explained as follows: the exhaust valve 2 can exhaust air in a water system, and operation stability is facilitated. And the pressure gauge 3 is used for observing the pressure of the water cooling system in real time. The pressure switch 4 has a low-pressure alarm function, and can send out an alarm signal when the pressure of the water cooling system is lower than a set value. The pressure release valve 5 is connected with the water collecting bottle 52 through a connecting pressure release pipeline, when the pressure of the outlet pipeline is higher than a set value, the pressure release valve 5 acts, liquid is discharged to the water collecting bottle 52 through the pressure release pipeline, and the pressure of the water cooling system is stabilized at the set value. Water is supplemented or discharged through the liquid-filled ball valve 6 according to the operation condition. When the pressure tank 7 works normally, hydraulic pressure is converted into elastic potential energy to be stored and the stability of the pressure at the outlet of the pump is maintained, and when the water system needs large flow instantly or the outlet of the pump fluctuates, the pressure tank 7 can release the stored energy to ensure the stability of the system. The temperature sensor 9 is used for monitoring the water inlet temperature of the wind driven generator in real time, and the pressure stabilizing valve is used for controlling the water pressure entering the hub cooler 10.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1) the heat exchange amount can reach 3 to 4 times of that of the traditional cooling mode, and the high-capacity wind generating set with more than 3MW can be matched; the forced air cooling of the axial flow fan matched with the air-water heat exchanger can obviously improve the heat exchange efficiency and the heat exchange stability.
2) Stability is high, because the interior closed circulative cooling that forms of wheel hub, inside external rainwater, humid air, corrosive air, the sand blown by the wind all can't enter into wheel hub, influence and harm that can't cause wheel hub obviously improve wheel hub internal environment, extension wheel hub life.
3) The hub cooler is arranged in the hub, the water pump and the radiator are arranged in the engine room, and all the components are connected by adopting a soft rubber tube, so that the hub cooler is very convenient to arrange on site;
4) the reliability is high, and the inside closed environment that is of wheel hub does not receive external environment to disturb, can obviously reduce maintenance cycle and cost, practices thrift considerable daily maintenance manpower.
5) The pressure tank is arranged in the water outlet pipeline, so that the stability of circulating pressure is ensured, and the reliability of system operation is improved.
6) The pressure relief valve is arranged in the water outlet pipeline, so that if the system pressure is too high due to special conditions such as pipeline blockage, the pressure can be automatically relieved, and the hidden danger of accidents caused by too high internal pressure of the system is effectively avoided;
7) an efficient and perfect hub cooling solution is provided for the field of high-capacity wind power generation;
8) the method has wide application prospect when being applied to the high-capacity wind power generation industry.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (2)
1. The hub water cooling circulation system applied to the wind generating set is characterized by comprising a hub cooler (10) and a water pump (1) which are sequentially connected, wherein a water outlet of the hub cooler (10) is connected with a water inlet of the water pump (1) through a water outlet pipeline (11), a water inlet of the hub cooler (10) is connected with a water outlet of the water pump (1) through a water inlet pipeline (8), a radiator (12) is arranged on the water outlet pipeline (11), and a pressure tank (7), a temperature sensor (9) and a pressure stabilizing valve are arranged on the water inlet pipeline (8);
the hub cooler (10) consists of an air-water heat exchanger, an axial flow fan and a sheet metal housing, wherein the air-water heat exchanger is connected with the axial flow fan and is jointly installed in the sheet metal housing, and the air-water heat exchanger is provided with a water inlet and a water outlet which are respectively connected with a water inlet pipeline (8) and a water outlet pipeline (11);
the water inlet pipeline (8) is connected with a branch pipeline, one end of the branch pipeline is connected with the pressure tank (7), and an exhaust valve (2), a pressure gauge (3), a pressure switch (4), a pressure relief valve (5) and a water filling ball valve (6) are sequentially arranged between the other end of the branch pipeline and the pressure tank (7).
2. The hub water cooling circulation system applied to the wind generating set according to claim 1, wherein the pressure relief valve (5) is connected with the water collecting bottle through a connecting pressure relief pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858701.3U CN210948999U (en) | 2019-10-31 | 2019-10-31 | Be applied to wind generating set's wheel hub water cooling circulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858701.3U CN210948999U (en) | 2019-10-31 | 2019-10-31 | Be applied to wind generating set's wheel hub water cooling circulation system |
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| CN210948999U true CN210948999U (en) | 2020-07-07 |
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| CN201921858701.3U Active CN210948999U (en) | 2019-10-31 | 2019-10-31 | Be applied to wind generating set's wheel hub water cooling circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517773A (en) * | 2022-02-25 | 2022-05-20 | 哈电风能有限公司 | Cooling system for main bearing of wind generating set and temperature control method for main bearing |
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2019
- 2019-10-31 CN CN201921858701.3U patent/CN210948999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517773A (en) * | 2022-02-25 | 2022-05-20 | 哈电风能有限公司 | Cooling system for main bearing of wind generating set and temperature control method for main bearing |
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