CN112343751B - Rapid cooling method of water turbine - Google Patents
Rapid cooling method of water turbine Download PDFInfo
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- CN112343751B CN112343751B CN202011287297.6A CN202011287297A CN112343751B CN 112343751 B CN112343751 B CN 112343751B CN 202011287297 A CN202011287297 A CN 202011287297A CN 112343751 B CN112343751 B CN 112343751B
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- water turbine
- rotating shaft
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- 238000001816 cooling Methods 0.000 title claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000007921 spray Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000000112 cooling gas Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/008—Measuring or testing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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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
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Turbines (AREA)
Abstract
The quick cooling method of the water turbine comprises the following steps that a, a temperature sensor is arranged on a heat generating component of the water turbine and electrically connected with a controller; b. a cooling cover is covered on the water turbine, an air inlet connecting pipe is arranged on the upper surface of the cooling cover, and an air nozzle for spraying cooling air is arranged on the lower surface of the cooling cover; c. the cooling cover air inlet connecting pipe is connected with the cooling air system through a hose, a booster pump is arranged on the hose, and the booster pump is electrically connected with the controller; d. when the temperature sensor senses that the temperature of the water turbine component exceeds a preset value, the controller starts the cooling system and simultaneously starts the booster pump to spray air to the water turbine from the air nozzle after cooling the air so as to cool the water turbine; when the temperature of the water turbine is reduced to a preset value, the controller shuts down the cooling system and shuts down the booster pump at the same time. The intelligent cooling system can be used for rapidly cooling the water turbine, intelligently monitoring the water turbine, saving energy consumption and greatly prolonging the service life of the water turbine.
Description
Technical Field
The invention belongs to the technical field of hydropower stations, and particularly relates to a quick cooling method of a water turbine.
Background
The hydraulic turbine is a power machine for converting the energy of water flow into rotary mechanical energy, and belongs to the field of fluid machinery. Water turbines can be divided into impulse turbines and reaction turbines according to the working principle. The runner of the impulse turbine rotates under the impact of water flow, the pressure of the water flow is unchanged in the working process, and the conversion of kinetic energy is mainly carried out; the runner of the reaction type water turbine rotates under the reaction force of water flow in water, and the pressure energy and the kinetic energy of the water flow are changed in the working process, but the pressure energy is mainly converted.
The hydraulic power generator comprises two major parts, a hydraulic turbine and a power generator.
The water turbine consists of valve, volute, water guide vane, rotating wheel, tail water pipe and other parts. The water flows out through the valve, the volute, the water guide vane, the rotating wheel and the tail water pipe to drive the rotating wheel to rotate. The rotating wheel drives the rotor of the generator to rotate in the stator through the main shaft and the bearing, so that the rotor becomes a rotating magnetic field, and the stator coil cuts magnetic lines of force to generate induced potential, generate current to generate electricity and convert potential energy of water into electric energy.
The long easy heating of hydraulic turbine operating time so can influence the life of hydraulic turbine. Because the structure of the water turbine is irregular, time and labor are consumed during manual cooling, and the cooling effect is poor.
Disclosure of Invention
The invention aims to provide a quick cooling method of a water turbine, which can quickly cool the water turbine, can intelligently monitor whether the water turbine needs cooling, and saves energy consumption while quickly cooling the water turbine.
In order to realize the purpose, the invention adopts the following technical scheme:
a rapid cooling method of a water turbine comprises the following steps,
a. a temperature sensor is arranged on a heating component of the water turbine and is electrically connected with the controller;
b. a cooling cover is covered on the water turbine, the cooling cover is a shell, a cooling gas channel is arranged in the shell, an air inlet connecting pipe is arranged on the upper surface of the cooling cover, and an air nozzle for spraying cooling gas is arranged on the lower surface of the cooling cover;
c. the cooling cover air inlet connecting pipe is connected with the cooling air system through a hose, a booster pump is arranged on the hose, and the booster pump is electrically connected with the controller;
d. the cooling air system comprises a box body, a partition plate is arranged in the box body, the bottom of the partition plate is fixed on a bottom plate of the box body, a gap is reserved between the top of the partition plate and a top plate of the box body, the box body is divided into an air inlet area A and an air outlet area B by the partition plate, a first rotating shaft is arranged in the middle of the box body, a condenser is arranged on the first rotating shaft in the box body, a second rotating shaft and a third rotating shaft are respectively arranged in the air inlet areas A of the box body on two sides of the first rotating shaft, fan blades are sleeved on the second rotating shaft and the third rotating shaft in the box body, the top and the bottom of the first rotating shaft, the second rotating shaft and the second rotating shaft are all arranged on the box body through bearings, the first rotating shaft is connected with a motor, a driving wheel is arranged on the first rotating shaft, a first driven wheel is arranged on the second rotating shaft, a second driven wheel is arranged on the third rotating shaft, the first driven wheel and the second driven wheel are all meshed with the driving wheel, an air inlet pipe is arranged at the bottom of the box body, the air inlet pipe is communicated with the air inlet area A, an air pump is arranged on the air inlet pipe, an exhaust pipe is arranged at the bottom of the exhaust area B, the exhaust pipe is communicated with the cooling cover air inlet connecting pipe through a hose, and the motor, the condenser, the air pump and the exhaust pump are all electrically connected with the controller;
e. when the temperature sensor senses that the temperature of a heating component of the water turbine exceeds a preset value, the controller starts a motor, a condenser, an air pump and an exhaust pump of the cooling air system, and simultaneously starts a booster pump to cool air and then spray the air to the water turbine from an air nozzle to cool the air; when the temperature of the water turbine is reduced to a preset value, the controller closes a motor, a condenser, an air pump and an exhaust pump of the cooling system, and simultaneously closes the booster pump.
According to the quick cooling method of the water turbine, the base is arranged at the bottom of the box body.
In the quick cooling method of the water turbine, the exhaust pipe of the box body is also provided with an exhaust pump.
According to the quick cooling method of the water turbine, the air nozzles are uniformly distributed on the lower surface of the cooling cover.
According to the quick cooling method of the water turbine, the mounting frame is arranged at the bottom of the cooling cover.
By adopting the technical scheme, the invention has the following technical effects:
when the cooling system is used, the exhaust pipe of the cooling system is connected to the air inlet connecting pipe of the cooling cover through the hose, when the temperature sensor senses that the temperature of the heating component of the water turbine exceeds a preset value, the controller starts the motor, the condenser, the air pump and the exhaust pump of the cooling air system, and simultaneously starts the booster pump to cool air and then spray the air to the water turbine from the air nozzle to cool the air; when the temperature of the water turbine is reduced to a preset value, the controller closes a motor, a condenser, an air pump and an exhaust pump of the cooling system, and simultaneously closes the booster pump.
The invention relates to a cooling air system, wherein air enters an air inlet area A from the bottom of a box body, is cooled by a condenser, and simultaneously rotates by fan blades on a second rotating shaft and a third rotating shaft, so that the air entering the air inlet area A is fully mixed with the condenser, then flows into an exhaust area B through the interval between the top of the box body and a partition plate, and then enters an exhaust pipe from the exhaust area B, and the air entering the box body passes through a rising channel, namely the air inlet area A, is fully mixed and cooled with the condenser in the rising channel under the stirring of the fan blades, then enters the exhaust area B through a gas path 1, and is further discharged onto a water turbine heating component through the exhaust pipe for cooling.
The temperature sensor senses the temperature of the main components of the water turbine, when the temperature exceeds a preset value, the controller controls cooling gas to be sprayed to the heating components through the gas nozzle, when the temperature of the heating components is reduced, the temperature sensor collects temperature signals and transmits the temperature signals to the controller, and the controller controls the air cooling system to be closed and also closes the booster pump. The intelligent cooling system can be used for rapidly cooling the water turbine, intelligently monitoring the water turbine, saving energy consumption and greatly prolonging the service life of the water turbine.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram of the cooling jacket of the present invention.
Fig. 3 is a schematic view of the structure of the cooling system of the present invention.
Fig. 4 is a schematic structural diagram of the fan in fig. 3.
Detailed Description
A rapid cooling method of a water turbine is characterized in that: comprises the following steps of (a) carrying out,
a. a temperature sensor is arranged on a heating component of the water turbine and is electrically connected with the controller;
b. a cooling cover 13 is covered on the water turbine, the cooling cover is a shell, a cooling gas channel is arranged in the shell, an air inlet connecting pipe 18 is arranged on the upper surface of the cooling cover, and an air nozzle 15 for spraying cooling gas is arranged on the lower surface of the cooling cover;
c. the cooling cover air inlet connecting pipe is connected with the cooling air system through a hose, a booster pump is arranged on the hose, and the booster pump is electrically connected with the controller;
d. the cooling air system comprises a box body 12, a partition plate 11 is arranged in the box body, the bottom of the partition plate is fixed on a bottom plate of the box body, a gap is reserved between the top of the partition plate and a top plate of the box body, the box body is divided into an air inlet area A and an air outlet area B by the partition plate, a first rotating shaft 5 is arranged in the middle of the box body, a condenser 6 is arranged on the first rotating shaft in the box body, a second rotating shaft 3 and a third rotating shaft 8 are respectively arranged in the air inlet area A of the box body on two sides of the first rotating shaft, fan blades 10 are respectively sleeved on the second rotating shaft and the third rotating shaft in the box body, the top and the bottom of the first rotating shaft, the second rotating shaft and the second rotating shaft are respectively arranged on the box body through bearings 9, the first rotating shaft is connected with a motor, a driving wheel 4 is arranged on the first rotating shaft, a first driven wheel 2 is arranged on the second rotating shaft, a second driven wheel 7 is arranged on the third rotating shaft, and the first driven wheel and the second driven wheel are both meshed with the driving wheel, an air inlet pipe 14 is arranged at the bottom of the box body and is communicated with the air inlet area A, an air pump is arranged on the air inlet pipe, an air outlet pipe 16 is arranged at the bottom of the air outlet area B and is communicated with an air inlet connecting pipe of the cooling cover through a hose, and the motor, the air pump and the air outlet pump are all electrically connected with a controller;
e. when the temperature sensor senses that the temperature of a heating component of the water turbine exceeds a preset value, the controller starts a motor, an air pump and an exhaust pump of a cooling air system, and simultaneously starts a booster pump to cool air and then spray the air to the water turbine from an air nozzle to cool the water turbine; when the temperature of the water turbine is reduced to a preset value, the controller closes a motor, an air pump and an exhaust pump of the cooling system, and simultaneously closes the booster pump.
The bottom of the box body is provided with a base 17.
And an exhaust pump is also arranged on the box body exhaust pipe.
The air nozzles are uniformly distributed on the lower surface of the cooling cover.
The bottom of the cooling jacket is provided with a mounting frame 19.
The cooling system as shown in fig. 3 and 4 comprises a box body 12, a baffle plate 11 is arranged in the box body, the bottom of the baffle plate is fixed on the bottom plate of the box body, a gap is arranged between the top of the baffle plate and the top plate of the box body, the baffle plate divides the box body into an air inlet area A and an air outlet area B, a first rotating shaft 5 is arranged in the middle of the box body, a condenser 6 is arranged on the first rotating shaft in the box body, a second rotating shaft 3 and a third rotating shaft 8 are respectively arranged in the air inlet area A of the box body at two sides of the first rotating shaft, fan blades 10 are respectively sleeved on the second rotating shaft and the third rotating shaft in the box body, the top and the bottom of the first rotating shaft, the second rotating shaft and the second rotating shaft are respectively arranged on the box body through bearings 9, the first rotating shaft is connected with a motor, a driving wheel 4 is arranged on the first rotating shaft, a first driven wheel 2 is arranged on the second rotating shaft, a second driven wheel 7 is arranged on the third rotating shaft, and the first driven wheel and the second driven wheel are both meshed with the driving wheel, an air inlet pipe 14 is arranged at the bottom of the box body and is communicated with the air inlet area A, an air pump is arranged on the air inlet pipe, and an exhaust pipe 16 is arranged at the bottom of the exhaust area B.
In the quick cooling method of the water turbine, the bottom of the box body is provided with a base 17. When cooling, it is convenient to place the base near or on the turbine. A rubber bottom pad is preferably arranged at the bottom of the base, so that the hydraulic turbine is prevented from being scratched when the base is required to be placed on the hydraulic turbine for cooling.
In the quick cooling method of the water turbine, the exhaust pipe of the box body is also provided with an exhaust pump which is not shown in the figure, the exhaust pump is arranged for continuously cooling, and the cooling effect is good.
The working process of the invention is as follows:
when the cooling system is used, the exhaust pipe of the cooling system is connected to the air inlet connecting pipe of the cooling cover through the hose, when the temperature sensor senses that the temperature of the heating component of the water turbine exceeds a preset value, the controller starts the motor, the condenser, the air pump and the exhaust pump of the cooling air system, and simultaneously starts the booster pump to cool air and then spray the air to the water turbine from the air nozzle to cool the air; when the temperature of the water turbine is reduced to a preset value, the controller closes a motor, a condenser, an air pump and an exhaust pump of the cooling system, and simultaneously closes the booster pump.
The invention relates to a cooling air system, wherein air enters an air inlet area A from the bottom of a box body, is cooled by a condenser, and simultaneously rotates by fan blades on a second rotating shaft and a third rotating shaft, so that the air entering the air inlet area A is fully mixed with the condenser, then flows into an exhaust area B through the interval between the top of the box body and a partition plate, and then enters an exhaust pipe from the exhaust area B, and the air entering the box body passes through a rising channel, namely the air inlet area A, is fully mixed and cooled with the condenser in the rising channel under the stirring of the fan blades, then enters the exhaust area B through a gas path 1, and is further discharged onto a water turbine heating component through the exhaust pipe for cooling.
The temperature sensor senses the temperature of the main components of the water turbine, when the temperature exceeds a preset value, the controller controls cooling gas to be sprayed to the heating components through the gas nozzle, when the temperature of the heating components is reduced, the temperature sensor collects temperature signals and transmits the temperature signals to the controller, and the controller controls the air cooling system to be closed and also closes the booster pump. The intelligent cooling system can be used for rapidly cooling the water turbine, intelligently monitoring the water turbine, saving energy consumption and greatly prolonging the service life of the water turbine.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (4)
1. A rapid cooling method of a water turbine is characterized in that: comprises the following steps of (a) carrying out,
a. a temperature sensor is arranged on a heating component of the water turbine and is electrically connected with the controller;
b. a cooling cover (13) is covered on the water turbine, the cooling cover is a shell, a cooling gas channel is arranged in the shell, an air inlet connecting pipe (18) is arranged on the upper surface of the cooling cover, and an air nozzle (15) for spraying cooling gas is arranged on the lower surface of the cooling cover;
c. the cooling cover air inlet connecting pipe is connected with the cooling air system through a hose, a booster pump is arranged on the hose, and the booster pump is electrically connected with the controller;
d. the cooling air system comprises a box body (12), a baffle plate (11) is arranged in the box body, the bottom of the baffle plate is fixed on a bottom plate of the box body, a gap is reserved between the top of the baffle plate and a top plate of the box body, the box body is divided into an air inlet area A and an air outlet area B by the baffle plate, a first rotating shaft (5) is arranged in the middle of the box body, a condenser (6) is arranged on the first rotating shaft in the box body, a second rotating shaft (3) and a third rotating shaft (8) are respectively arranged in the air inlet area A of the box body at two sides of the first rotating shaft, fan blades (10) are respectively sleeved on the second rotating shaft and the third rotating shaft in the box body, the tops and the bottoms of the first rotating shaft, the second rotating shaft and the second rotating shaft are respectively arranged on the box body through bearings (9), the first rotating shaft is connected with a motor, a driving wheel (4) is arranged on the first rotating shaft, a first driven wheel (2) is arranged on the second rotating shaft, a second driven wheel (7) is arranged on the third rotating shaft, the first driven wheel and the second driven wheel are both meshed with the driving wheel, an air inlet pipe (14) is arranged at the bottom of the box body and is communicated with the air inlet area A, an air pump is arranged on the air inlet pipe, an exhaust pipe (16) is arranged at the bottom of the exhaust area B and is communicated with the cooling cover air inlet connecting pipe through a hose, an exhaust pump is further arranged on the exhaust pipe of the box body, the motor, the condenser, the air pump and the exhaust pump are all electrically connected with the controller, and the condenser cools air entering the box body;
e. when the temperature sensor senses that the temperature of a heating component of the water turbine exceeds a preset value, the controller starts a motor, a condenser, an air pump and an exhaust pump of the cooling air system, and simultaneously starts a booster pump to cool air and then spray the air to the water turbine from an air nozzle to cool the air; when the temperature of the water turbine is reduced to a preset value, the controller closes a motor, an air pump and an exhaust pump of the cooling system, and simultaneously closes the booster pump.
2. A rapid cooling method of a water turbine according to claim 1, characterized in that: the bottom of the box body is provided with a base (17).
3. The rapid cooling method of a hydraulic turbine according to claim 1, characterized in that: the air nozzles are uniformly distributed on the lower surface of the cooling cover.
4. A method for rapidly cooling a water turbine according to claim 1, wherein: the bottom of the cooling cover is provided with a mounting rack (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287297.6A CN112343751B (en) | 2020-11-17 | 2020-11-17 | Rapid cooling method of water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287297.6A CN112343751B (en) | 2020-11-17 | 2020-11-17 | Rapid cooling method of water turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112343751A CN112343751A (en) | 2021-02-09 |
| CN112343751B true CN112343751B (en) | 2022-06-10 |
Family
ID=74364097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011287297.6A Active CN112343751B (en) | 2020-11-17 | 2020-11-17 | Rapid cooling method of water turbine |
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| Country | Link |
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| CN (1) | CN112343751B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206329434U (en) * | 2016-11-23 | 2017-07-14 | 国家电网公司 | A kind of quick Cooling protector of the power station hydraulic turbine |
| CN207470335U (en) * | 2017-07-18 | 2018-06-08 | 荆江舟 | A kind of water conservancy generator temperature control system for water generating |
| CN210821345U (en) * | 2019-06-04 | 2020-06-23 | 天津德泰恒昌印务股份有限公司 | Printing roller cooling device for printing equipment |
| CN210948970U (en) * | 2019-06-25 | 2020-07-07 | 四川省紫坪铺开发有限责任公司 | Cooling device of hydraulic turbine set |
-
2020
- 2020-11-17 CN CN202011287297.6A patent/CN112343751B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206329434U (en) * | 2016-11-23 | 2017-07-14 | 国家电网公司 | A kind of quick Cooling protector of the power station hydraulic turbine |
| CN207470335U (en) * | 2017-07-18 | 2018-06-08 | 荆江舟 | A kind of water conservancy generator temperature control system for water generating |
| CN210821345U (en) * | 2019-06-04 | 2020-06-23 | 天津德泰恒昌印务股份有限公司 | Printing roller cooling device for printing equipment |
| CN210948970U (en) * | 2019-06-25 | 2020-07-07 | 四川省紫坪铺开发有限责任公司 | Cooling device of hydraulic turbine set |
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| CN112343751A (en) | 2021-02-09 |
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