CN207714419U - A kind of Hydropower Plant technical water supply system - Google Patents
A kind of Hydropower Plant technical water supply system Download PDFInfo
- Publication number
- CN207714419U CN207714419U CN201820038895.1U CN201820038895U CN207714419U CN 207714419 U CN207714419 U CN 207714419U CN 201820038895 U CN201820038895 U CN 201820038895U CN 207714419 U CN207714419 U CN 207714419U
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- CN
- China
- Prior art keywords
- water
- valve group
- way
- cistern
- cooled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
Abstract
The utility model provides a kind of Hydropower Plant technical water supply system, including unit to be cooled, and the cooling water intake of the unit to be cooled is connected to by the first valve group with the preceding water source in dam all the way, and another way is connected to by the second valve group with cistern water outlet；The water inlet of the cistern is connected to by third valve group with the preceding water source in the dam all the way, and another way is connected to by the 4th valve group with water intaking pump works；The water intaking pump works is connected to by the 5th valve group with the preceding water source in the dam all the way, and another way is connected to by the 6th valve group with underground water；The water return outlet of the cistern is connected to by the 7th valve group with return water pump works all the way；The cooling water outlet of the unit to be cooled is connected by the 8th valve group with the tail water in the power station or downstream all the way, and another way is connected to by the 9th valve group with the return water pump works.The system can provide stable, good cooling water for power station complicated and changeable and be used for unit to be cooled, disclosure satisfy that the use demand in most of power stations.
Description
Technical field
The utility model is related to power station hydrotechny field, especially a kind of Hydropower Plant technical water supply system.
Background technology
The water supply in power station includes technical water supply, fire fighting supply and living water.
Technical water supply is also known as industrial water, and main function is to be cooled down to electromechanical running equipment, for example generator pushes away
Power bearing and guide bearing, air cooler of generator, turbine guide bearing, water cooled transformer cooler, water-cooling air pressure
Contracting machine etc.；The cleaning water source of certain pressure is followed by provided the working seal of the hydraulic turbine, is also used for being lubricated, such as deep-well
Pump rubber tile guide bearing.
Electromechanical equipment has water, water quality, hydraulic pressure and water temperature certain requirement, total principle to be：Water abundance, hydraulic pressure
Properly, water quality is good, water temperature is practical.
Currently, the single way of supplying water of technical water supply system generally use in power station, for example, when power station head be 15m~
When 80m, using gravity flow way of supplying water, when power station head is less than 15m or it is higher than 80m~90m (for small hydropower station, head
More than 120m) when, it is supplied water using water pump.
But for some silt contents variation greatly and head just change big power station, single way of supplying water can not
It satisfies the use demand.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of Hydropower Plant technical water supply system
System.
To achieve the goals above, the utility model adopts the following technical solution：
A kind of Hydropower Plant technical water supply system, including unit to be cooled, the cooling water water inlet of the unit to be cooled
Mouth is connected to by the first valve group with the preceding water source in dam all the way, and another way is connected to by the second valve group with cistern water outlet；The storage
The water inlet in pond is connected to by third valve group with the preceding water source in the dam all the way, and another way passes through the 4th valve group and water intaking pump works
Connection；The water intaking pump works is connected to by the 5th valve group with the preceding water source in the dam all the way, and another way passes through the 6th valve group and ground
Lower water connection；The water return outlet of the cistern is connected to by the 7th valve group with return water pump works all the way；The unit to be cooled
Cooling water outlet is connected by the 8th valve group with the tail water in the power station or downstream all the way, another way by the 9th valve group with
The return water pump works connection.
Preferably, first valve group includes a final felling group and a spare valve group, the final felling to the 9th valve group
Group is connected in parallel with the spare valve group.
Preferably, the main valve group include a solenoid valve and be respectively set in the both sides of the solenoid valve one is normally opened
Hand-operated valve.
Preferably, the spare valve group is a normally closed hand-operated valve.
Preferably, it is additionally provided with Level monitor in the cistern.
Compared with prior art, the utility model has the following advantages that：
A kind of Hydropower Plant technical water supply system provided by the utility model, in power station, head is high and when water quality is good,
The cooler directly to be supplied water to unit to be cooled by the first valve group, while being supplied water by third valve group and giving cistern water storage；When
Power station water quality is good, but when head is low, the water of cistern is supplied to the cooler of unit to be cooled by the second valve group, then
It takes reservoir water to cistern by pump house of fetching water, ensures that cistern water is sufficient；When the water quality inferiority in power station, then pass through
The water of cistern is supplied the cooler of unit to be cooled by two valve groups, then takes underground water to inject water storage by pump house of fetching water
Pond ensures that cistern water is sufficient.The Hydropower Plant technical water supply system can power station complicated and changeable provide stablize,
Good cooling water is used for unit to be cooled, disclosure satisfy that the use demand in most of power stations.
Further, a kind of Hydropower Plant technical water supply system provided by the utility model will partially absorb to be cooled
For water after the heat of unit in addition to a part is directly exhausted by the draft tube in power station, remainder drains into return water pumping plant, by
Back water pump pumps up water to clear water reserviors, and clear water resupplies unit recycling, Neng Gouqi after carrying out heat exchange with return water in clear water reserviors
It is acted on to using water wisely.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with embodiment and attached drawing into
One step describes the technical solution of the utility model.
Referring to FIG. 1, the utility model embodiment provides a kind of Hydropower Plant technical water supply system, including it is to be cooled
The cooling water intake of unit 1, unit 1 to be cooled is connected to by the first valve group V1 with the preceding water source in dam all the way, and another way passes through
Two valve group V2 are connected to 2 water outlet of cistern；The water inlet of cistern 2 is connected by the preceding water source third valve group V3 and the dam all the way
Logical, another way is connected to by the 4th valve group V4 with water intaking pump works 3；Fetch water 3 one tunnel of pump works by the 5th valve group V5 with it is described
The preceding water source connection in dam, another way are connected to by the 6th valve group V6 with groundwater source；The water return outlet of cistern 2 passes through the 7th all the way
Valve group V7 is connected to return water pump works 4；The cooling water outlet of unit 1 to be cooled passes through the 8th valve group V8 and the water power all the way
The tail water or downstream stood connect, and another way is connected to by the 9th valve group V9 with return water pump works 4.
The Hydropower Plant technical water supply system that the utility model embodiment provides can carry in power station complicated and changeable
It is used for unit to be cooled for stabilization, good cooling water, disclosure satisfy that the use demand in most of power stations.
In specific implementation process, preferably, the first valve group V1 to the 9th valve in the utility model embodiment
Group V9 includes a main valve group and a spare valve group, and the final felling group is connected in parallel with the spare valve group.By the way that final felling is arranged
Group and spare valve group can be supplied water when final felling group, which goes wrong, to be led to not supply water by spare valve group.
In specific implementation process, since main valve group is typically to open, preferably, the utility model
The main valve group in embodiment includes a solenoid valve and be respectively set in the both sides of the solenoid valve one is normally opened manually
Valve.
In specific implementation process, since spare valve group is typically idle, preferably, the utility model is real
It is a normally closed hand-operated valve to apply the spare valve group in example.
In specific implementation process, preferably, being additionally provided with water in cistern 2 in the utility model embodiment
Position monitoring device.By the way that water-level detecting device is arranged, the water amount information in cistern can be detected in real time, convenient for control plugman
Make and control the opening and closing for the valve group for being intended to the cistern connection.
The course of work for the Hydropower Plant technical water supply system that the utility model embodiment provides is as follows：
When power station head is high and water quality is good, the first valve group V1 and the 8th valve group V8 is opened, closes the second valve group V2, the
Four valve group V4, the 5th valve group V5, the 6th valve group V6, the 7th valve group V7 and the 9th valve group V9, by the preceding water source in dam directly to be cooled
Unit 1 provides cooling water, and it is 2 water filling of cistern to open third valve group V3, after filling water in cistern 2, closes third valve group
V3。
When power station water quality is good but head is low, the second valve group V2, the 4th valve group V4, the 5th valve group V5, the 7th valve are opened
Group V7, the 8th valve group V8 and the 9th valve group V9, close the first valve group V1, third valve group V3 and the 6th valve group V6, are by cistern 2
Unit 1 to be cooled provides cooling water, while pump works 3 of fetching water extracts the water injection cistern at the preceding water source in dam, it is ensured that in cistern 2
Water meet unit 1 to be cooled cooling and use, while return water pump works 4 works, and will partially absorb the heat of unit 1 to be cooled
Return water Hui Yang to cistern, water in cistern resupplies unit recycling after carrying out heat exchange with return water.
In specific implementation process, the water for the return water that return water pump works 4 extracts is depending on the water temperature in cistern.
Water temperature is low, can extract return water more, and water temperature height is then taken out or do not draw back water less.
When power station water quality is bad, the second valve group V2, the 4th valve group V4, the 6th valve group V6, the 7th valve group are opened
V7, the 8th valve group V8 and the 9th valve group V9 close the first valve group V1, third valve group V3 and the 5th valve group V5, are to wait for by cistern 2
Cooling unit 1 provides cooling water, while the water in 3 groundwater abstraction source of pump works of fetching water injects cistern, it is ensured that in cistern 2
Water meets the cooling of unit 1 to be cooled and uses, while return water pump works 4 works, and will partially absorb the heat of unit 1 to be cooled
For return water Hui Yang to cistern 2, the water in cistern 2 resupplies unit recycling after carrying out heat exchange with return water.
It should be understood by those skilled in the art that, the above is only the preferred embodiment of the present invention, not it is used for
Limit the range that the utility model is implemented, all shape, construction, feature and spirit according to described in the utility model claims range
Carried out by equivalent changes and modifications, the right of the utility model should all be included in.
Claims (5)
1. a kind of Hydropower Plant technical water supply system, including unit to be cooled, which is characterized in that the unit to be cooled it is cold
But water water inlet is connected to by the first valve group with the preceding water source in dam all the way, and another way is connected by the second valve group and cistern water outlet
It is logical；The water inlet of the cistern is connected to by third valve group with the preceding water source in the dam all the way, another way by the 4th valve group with
Pump works of fetching water is connected to；The water intaking pump works is connected to by the 5th valve group with the preceding water source in the dam all the way, and another way passes through
Six valve groups are connected to groundwater source；The water return outlet of the cistern is connected to by the 7th valve group with return water pump works all the way；Institute
The cooling water outlet for stating unit to be cooled is connected by the 8th valve group with the tail water in the power station or downstream all the way, another way
It is connected to the return water pump works by the 9th valve group.
2. Hydropower Plant technical water supply system according to claim 1, which is characterized in that first valve group is to described
9th valve group includes a main valve group and a spare valve group, and the main valve group is connected in parallel with the spare valve group.
3. Hydropower Plant technical water supply system according to claim 2, which is characterized in that the main valve group includes one
Solenoid valve and a normally opened hand-operated valve being respectively set in the both sides of the solenoid valve.
4. Hydropower Plant technical water supply system according to claim 3, which is characterized in that the spare valve group is one
Normally closed hand-operated valve.
5. Hydropower Plant technical water supply system according to claim 1, which is characterized in that also set up in the cistern
There is Level monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038895.1U CN207714419U (en) | 2018-01-10 | 2018-01-10 | A kind of Hydropower Plant technical water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038895.1U CN207714419U (en) | 2018-01-10 | 2018-01-10 | A kind of Hydropower Plant technical water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207714419U true CN207714419U (en) | 2018-08-10 |
Family
ID=63055294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820038895.1U Expired - Fee Related CN207714419U (en) | 2018-01-10 | 2018-01-10 | A kind of Hydropower Plant technical water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207714419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657628A (en) * | 2019-10-31 | 2020-01-07 | 国家电网有限公司 | Hydropower station temperature control system and control method thereof |
-
2018
- 2018-01-10 CN CN201820038895.1U patent/CN207714419U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657628A (en) * | 2019-10-31 | 2020-01-07 | 国家电网有限公司 | Hydropower station temperature control system and control method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20210110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |