CN212925995U - External circulation water supply system of hydropower station - Google Patents
External circulation water supply system of hydropower station Download PDFInfo
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- CN212925995U CN212925995U CN202020882844.4U CN202020882844U CN212925995U CN 212925995 U CN212925995 U CN 212925995U CN 202020882844 U CN202020882844 U CN 202020882844U CN 212925995 U CN212925995 U CN 212925995U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a power station extrinsic cycle water supply system, water gets into the sediment water tank from the leading water pipeline, sediment in the sediment water tank, the filtration of rethread sponge baffle, the maximize reduces aquatic silt content, cooperation through level sensor and control system, and the design of tilting bottom plate, automatically, clear up silt, water discharges through softening treatment again behind the cooling arrangement, when level sensor detects the aquatic flow insufficient, control system starts reserve tank, clean water source flows through the cooling arrangement, after the cooling of rethread heat exchanger, flow in reserve tank once more, use cycle with this, two kinds of mode satisfy the user demand of power station, automatic control's valve has reduced the cost of labor.
Description
Technical Field
The utility model relates to a power station water supply system field especially relates to power station extrinsic cycle water supply system.
Background
The hydropower station is a clean energy power generation technology by introducing a high-level water source into a workshop to push a hydraulic generator to generate power and then discharging water into a low-level tail water tunnel. By the end of 2017, the hydropower installation in China has 3.41 hundred million kilowatts, which accounts for about 19.2 percent of the total power installation, and the hydropower generation amount in 2017 is about 18.5 percent of the total power generation amount when 11945 hundred million kilowatts are generated. The technical water supply system of the hydropower station mainly has the function of cooling various electromechanical equipment matched with the unit, and mainly comprises a generator air cooler, a generator thrust bearing, a guide bearing, a water turbine guide bearing, a main transformer and the like, so that the safe and stable operation of the system is guaranteed.
Because the cooling water is directly extracted from the river water, the silt in the river water usually damages equipment, the river water source is unstable, the river water is dried up in winter, and in some hydropower stations, a desilting pond is often arranged at a high position to reduce the silt content in the river water, but along with the accumulation of the silt, the effect of reducing the silt content and the cleaning of the silt in the desilting pond in the later period are both very large problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the water supply system aims to solve the problems of filtration and cleaning of silt in the existing water supply system and the problem that river water is dry in winter and cannot extract enough water source.
The utility model aims at realizing through the following technical scheme:
power station extrinsic cycle water supply system, its characterized in that: comprises a circulating water supply system, a detection module arranged in the circulating water supply system and a control system,
the circulating water supply system comprises a diversion tunnel, a diversion butterfly valve and a hydraulic generator are arranged in the diversion tunnel, one end of a diversion pipeline is communicated with the diversion tunnel, the other end of the diversion pipeline is communicated with the top of a sedimentation water tank, a part, close to the diversion tunnel, of the diversion pipeline is provided with a control valve and a filter box, water in the diversion pipeline firstly passes through the control valve and then reaches the sedimentation water tank through the filter box, a partition plate is arranged in the sedimentation water tank and the pressure stabilizing water tank, the lower half part of the partition plate is a solid partition plate which can not pass water flow, the upper half part of the partition plate is a sponge partition plate which can pass water flow, the sponge partition plate is fixedly connected with the solid partition plate, the solid partition plate and the sponge partition plate are used for separating the sedimentation water tank from the pressure stabilizing water tank, the bottom of the sedimentation water tank is an inclined bottom, silt is convenient to, the bottom of the pressure stabilizing water tank is communicated with one end of a pressure stabilizing water tank water outlet pipeline, the other end of the pressure stabilizing water tank water outlet pipeline is communicated with one end of a cooling device, a second control valve is arranged on the position, close to the pressure stabilizing water tank, of the pressure stabilizing water tank water outlet pipeline, the other end of the cooling device is communicated with a water outlet pipeline, a third control valve and a drainage device are arranged on the position, close to the cooling device, of the water outlet pipeline, water flow in the water outlet pipeline firstly passes through the third control valve and then flows out through the drainage device, one end of a spare water tank water outlet pipeline is communicated between the second control valve and the cooling device on the pressure stabilizing water tank water outlet pipeline, the other end of the spare water tank water outlet pipeline is communicated with the bottom of the spare water tank, a fourth control valve is arranged, the other end of the heat exchanger is communicated with one end of a water inlet pipeline of the heat exchanger, the other end of the water inlet pipeline of the heat exchanger is communicated with a water outlet pipeline, the other end of the water inlet pipeline of the heat exchanger is positioned between cooling equipment and a third control valve on the water outlet pipeline,
the detection module comprises a first water level sensor, a first wireless communication module, a second water level sensor and a second wireless communication module,
the first water level sensor is connected with the first wireless communication module, the first water level sensor is arranged in the diversion tunnel,
the second water level sensor is connected with the second wireless communication module, the second water level sensor is arranged in the precipitation water tank,
the control system comprises a processor, a storage module, a first valve driver, a second valve driver, a third valve driver, a fourth valve driver, a control valve driver and a third wireless communication module,
the processor is respectively connected with the storage module, the first valve driver, the second valve driver, the third valve driver, the fourth valve driver, the control valve driver and the third wireless communication module,
the first water level sensor and the second water level sensor are respectively connected with the third wireless communication module of the control system through the first wireless communication module and the second wireless communication module,
the first valve driver is used for opening or closing the first control valve, the second valve driver is used for opening or closing the second control valve, the third valve driver is used for opening or closing the third control valve, the fourth valve driver is used for opening or closing the fourth control valve, and the control valve driver is used for opening the control valve.
Furthermore, the sponge partition plate is made of polyurethane sponge materials.
Furthermore, the first water level sensor and the second water level sensor both adopt ultrasonic water level sensors.
Further, the processor processes the chip using STM32F 407.
Furthermore, the sedimentation water tank and the pressure stabilizing water tank are made of stainless steel materials.
Further, the heat exchanger adopts a plate heat exchanger.
Further, a water softening device is arranged at the water discharging end of the water discharging device.
Furthermore, the pipelines are all polyethylene pipelines.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a design at the bottom of the slope of precipitation water tank bottom to and the design of control door, solved the problem of silt clearance, can clear up the silt of sediment fast, work efficiency is high.
2. The utility model discloses a design of the baffle in precipitation water tank and the steady pressure water tank, very big reduction silt gets into cooling arrangement's possibility, safe and reliable.
3. The utility model discloses a cooperation of each detection module and control system has realized that the automation of each valve is opened or is closed, has greatly reduced the cost of labor, and easy and simple to handle.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is an enlarged view of the settling water tank and the surge water tank of the present invention;
FIG. 3 is a flowchart illustrating the operation of the detection module and control system of the present invention;
in the figure: 1-diversion tunnel, 2-diversion butterfly valve, 3-hydro-generator, 4-diversion pipeline, 5-control valve I, 6-filter tank, 7-precipitation tank, 8-surge tank, 9-sponge baffle, 10-solid baffle, 11-control gate, 12-manual handle, 13-silt, 14-surge tank outlet pipeline, 15-control valve II, 16-cooling equipment, 17-outlet pipeline, 18-control valve III, 19-drainage device, 20-reserve tank, 21-reserve tank inlet pipeline, 22-heat exchanger, 23-heat exchanger inlet pipeline, 24-reserve tank outlet pipeline, and 25-control valve IV.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Power station extrinsic cycle water supply system, its characterized in that: comprises a circulating water supply system, a detection module arranged in the circulating water supply system and a control system,
the circulating water supply system comprises a diversion tunnel 1, a diversion butterfly valve 2 and a hydraulic generator 3 are arranged in the diversion tunnel 1, one end of a diversion pipeline 4 is communicated with the diversion tunnel 1, the other end of the diversion pipeline 4 is communicated with the top of a precipitation water tank 7, a part, close to the diversion tunnel 1, of the diversion pipeline 4 is provided with a control valve 5 and a filter tank 6, water in the diversion pipeline 4 firstly passes through the control valve 5 and then reaches the precipitation water tank 7 through the filter tank 6, a partition plate is arranged in the precipitation water tank 7 and a pressure stabilizing water tank 8, the lower half part of the partition plate is a solid partition plate 10 which can not be passed by water flow, the upper half part of the partition plate is a sponge partition plate 9 which allows water flow to pass through, the sponge partition plate 9 is fixedly connected with the solid partition plate 10, the solid partition plate 10 and the sponge partition plate 9 are used for separating the precipitation water tank 7 from the pressure stabilizing, the lowest part of the side edge of the settling water tank 7 is provided with a control door 11, a manual handle 12 is arranged on the control door 11, the bottom of the pressure stabilizing water tank 8 is communicated with one end of a pressure stabilizing water tank water outlet pipeline 14, the other end of the pressure stabilizing water tank water outlet pipeline 14 is communicated with one end of a cooling device 16, a part, close to the pressure stabilizing water tank 8, of the pressure stabilizing water tank water outlet pipeline 14 is provided with a second control valve 15, the other end of the cooling device 16 is communicated with a water outlet pipeline 17, a part, close to the cooling device 16, of the water outlet pipeline 17 is provided with a third control valve 18, a drainage device 19 is arranged, water in the water outlet pipeline 17 firstly passes through the third control valve 18 and then flows out through the drainage device 19, the middle parts, between the second control valve 15 and the cooling device 16, on the pressure stabilizing water tank water outlet pipeline 14 is communicated with one end of a, the top of the reserve tank 20 is communicated with one end of a reserve tank water inlet pipeline 21, the other end of the reserve tank water inlet pipeline 21 is communicated with one end of a heat exchanger 22, the other end of the heat exchanger 22 is communicated with one end of a heat exchanger water inlet pipeline 23, the other end of the heat exchanger water inlet pipeline 23 is communicated with a water outlet pipeline 17, the other end of the heat exchanger water inlet pipeline 23 is positioned between a cooling device 16 and a third control valve 18 on the water outlet pipeline 17,
the detection module comprises a first water level sensor, a first wireless communication module, a second water level sensor and a second wireless communication module,
the first water level sensor is connected with the first wireless communication module, the first water level sensor is arranged in the diversion tunnel 1,
the second water level sensor is connected with the second wireless communication module, the second water level sensor is arranged in the sedimentation water tank 7,
the control system comprises a processor, a storage module, a first valve driver, a second valve driver, a third valve driver, a fourth valve driver, a control valve driver and a third wireless communication module,
the processor is respectively connected with the storage module, the first valve driver, the second valve driver, the third valve driver, the fourth valve driver, the control valve driver and the third wireless communication module,
the first water level sensor and the second water level sensor are respectively connected with the third wireless communication module of the control system through the first wireless communication module and the second wireless communication module,
the first valve driver is used for opening or closing the first control valve 5, the second valve driver is used for opening or closing the second control valve 15, the third valve driver is used for opening or closing the third control valve 18, the fourth valve driver is used for opening or closing the fourth control valve 25, and the control valve driver is used for opening the control valve 11.
The working principle of the scheme is briefly described as follows:
when the water quantity in the river is sufficient, the water flow enters from the water conduit 4 through the control valve 5, the water is primarily filtered in the filter tank 6 to remove larger impurities and then enters the sedimentation water tank 7, because the water in the sedimentation water tank 7 and the water only can seep into the pressure stabilizing water tank 8 through the sponge partition plate 9 on the partition plate, the water containing silt in the sedimentation water tank 7 can precipitate the silt before reaching the height of the sponge partition plate 8, the sponge partition plate 9 further prevents the silt from entering, because the silt is accumulated at the bottom of the sedimentation water tank 7, the water level in the sedimentation water tank 7 is higher and higher, when the set value of the second water level sensor is reached, the control door 11 is opened by the control door driver, because the bottom of the sedimentation water tank 7 is designed to be inclined bottom, the silt can automatically slide out along the inclined bottom plate after the control door 11 is opened, and the purpose of clearing the silt is achieved, clean water entering the surge tank 8 enters the surge tank water outlet pipeline 14, enters the cooling device 16 through the second control valve 15, enters the water discharging device 19 through the third control valve 18, is softened by the water discharging device 19 and then is discharged, and the normal working mode is realized,
when the first water level sensor detects that the water level in the diversion tunnel 1 drops to a certain value, which indicates that the water flow rate is insufficient to reach the supply standard due to the fact that river water is dried in winter or due to other reasons, the control system closes the first control valve 5, the second control valve 15 and the third control valve 18 through the valve driver and opens the fourth control valve 25, a clean water source reserved in advance in the spare water tank 20 enters the spare water tank water outlet pipeline 24 and reaches the cooling device 16 through the fourth control valve, and water with heat coming out of the cooling device 16 enters the heat exchanger 22 to exchange heat and then enters the spare water tank 20 again, so that a cycle is achieved, and the spare working mode is the spare working mode.
Furthermore, the sponge partition board 9 is made of polyurethane sponge material, and the polyurethane sponge material has the characteristics of good elasticity, softness, water absorption and the like.
Furthermore, the first water level sensor and the second water level sensor both adopt ultrasonic water level sensors, and the ultrasonic water level sensors have the advantages of non-contact measurement, no water pollution, automatic temperature and pressure correction and the like.
Furthermore, the treater adopts STM32F407 processing chip, and STM32F407 processing chip can receive the signal that a water level sensor and No. two water level sensors sent and extract information and handle from storage module, can effectively control a valve driver, No. two valve drivers, No. three valve drivers, No. four valve drivers, control gate driver etc..
Furthermore, the precipitation water tank 7 and the pressure stabilizing water tank 8 are both made of stainless steel materials, and the stainless steel materials have the advantages of corrosion resistance, heat resistance, easiness in material taking and the like.
Further, the heat exchanger 22 is a plate heat exchanger, and the plate heat exchanger has the advantages of high heat transfer coefficient, good adaptability, easy disassembly, cleaning and repair and the like.
Furthermore, the water discharging end of the water discharging device 19 is provided with a water softening device, so that water in the cooling device 16 is softened and then discharged, the influence on the environment can be reduced, and the environment is more environment-friendly.
Furthermore, the diversion pipeline 4, the pressure stabilizing water tank outlet pipeline 14, the outlet pipeline 17, the spare water tank inlet pipeline 21, the heat exchanger inlet pipeline 23 and the spare water tank outlet pipeline 24 are all polyethylene pipelines, and the polyethylene pipelines have a series of excellent properties such as reliable connection, good low-temperature impact property, good stress cracking resistance and good chemical corrosion resistance.
It is worth noting that: a level sensor in this scheme, No. two level sensor, a wireless communication module, No. two wireless communication module, No. three wireless communication module, a control system, the control gate, a valve drive ware, No. two valve drive ware, No. three valve drive ware, No. four valve drive ware, the heat exchanger, control gate drive ware etc. are the circuit commonly used among the prior art, the innovation of this scheme does not lie in single circuit, but the cooperation of several module and circuit is used and is reached filtration and clearance silt, switch the mode and satisfy the use of the water supply system of power station and will try to get the purpose.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. Power station extrinsic cycle water supply system, its characterized in that: comprises a circulating water supply system, a detection module arranged in the circulating water supply system and a control system,
the circulating water supply system comprises a diversion tunnel (1), a diversion butterfly valve (2) and a hydraulic generator (3) are arranged in the diversion tunnel (1), one end of a diversion pipeline (4) is communicated with the diversion tunnel (1), the other end of the diversion pipeline (4) is communicated with the top of a sedimentation water tank (7), a part, close to the diversion tunnel (1), of the diversion pipeline (4) is provided with a control valve (5) and a filter tank (6), water in the diversion pipeline (4) firstly passes through the control valve (5) and then reaches the sedimentation water tank (7) through the filter tank (6), a partition plate is arranged in the sedimentation water tank (7) and a pressure stabilizing water tank (8), the lower half part of the partition plate is a solid partition plate (10) which can not pass through water flow, the upper half part of the partition plate is a sponge partition plate (9) which allows water to pass through, and the sponge partition plate (9) is fixedly connected, the solid partition plate (10) and the sponge partition plate (9) together separate the sedimentation water tank (7) from the pressure stabilizing water tank (8), the bottom of the sedimentation water tank (7) is an inclined bottom to facilitate the sedimentation and the cleaning of silt (13), the lowest part of the side edge of the sedimentation water tank (7) is provided with a control door (11), the control door (11) is provided with a manual handle (12), the bottom of the pressure stabilizing water tank (8) is communicated with one end of a pressure stabilizing water tank water outlet pipeline (14), the other end of the pressure stabilizing water tank water outlet pipeline (14) is communicated with one end of cooling equipment (16), the part of the pressure stabilizing water tank water outlet pipeline (14) close to the pressure stabilizing water tank (8) is provided with a second control valve (15), the other end of the cooling equipment (16) is communicated with a water outlet pipeline (17), the part of the water outlet pipeline (17) close to the cooling equipment (16) is provided with a third control valve (18), and a water discharging device (19), water flow, then flows out through a drainage device (19), the middle of a second control valve (15) and a cooling device (16) on a pressure stabilizing water tank water outlet pipeline (14) is communicated with one end of a spare water tank water outlet pipeline (24), the other end of the spare water tank water outlet pipeline (24) is communicated with the bottom of a spare water tank (20), a fourth control valve (25) is arranged on the spare water tank water outlet pipeline (24), the top of the spare water tank (20) is communicated with one end of a spare water tank water inlet pipeline (21), the other end of the spare water tank water inlet pipeline (21) is communicated with one end of a heat exchanger (22), the other end of the heat exchanger (22) is communicated with one end of a heat exchanger water inlet pipeline (23), the other end of the heat exchanger water inlet pipeline (23) is communicated with the water outlet pipeline (17), the other end of the heat exchanger water inlet pipeline (23) is,
the detection module comprises a first water level sensor, a first wireless communication module, a second water level sensor and a second wireless communication module,
the first water level sensor is connected with the first wireless communication module, the first water level sensor is arranged in the diversion tunnel (1),
the second water level sensor is connected with the second wireless communication module, the second water level sensor is arranged in the sedimentation water tank (7),
the control system comprises a processor, a storage module, a first valve driver, a second valve driver, a third valve driver, a fourth valve driver, a control valve driver and a third wireless communication module,
the processor is respectively connected with the storage module, the first valve driver, the second valve driver, the third valve driver, the fourth valve driver, the control valve driver and the third wireless communication module,
the first water level sensor and the second water level sensor are respectively connected with the third wireless communication module of the control system through the first wireless communication module and the second wireless communication module,
the first valve driver is used for opening or closing the first control valve (5), the second valve driver is used for opening or closing the second control valve (15), the third valve driver is used for opening or closing the third control valve (18), the fourth valve driver is used for opening or closing the fourth control valve (25), and the control valve driver is used for opening the control valve (11).
2. The system according to claim 1, characterized in that the sponge partition (9) is made of polyurethane sponge material.
3. The system of claim 1, wherein the first and second level sensors are ultrasonic level sensors.
4. The hydropower station external circulation water supply system of claim 1, wherein the processor employs an STM32F407 processing chip.
5. The external circulation water supply system of the hydropower station according to claim 1, wherein the sedimentation water tank (7) and the surge water tank (8) are made of stainless steel materials.
6. The system according to claim 1, characterized in that the heat exchanger (22) is a plate heat exchanger.
7. The system according to claim 1, characterized in that the water discharge end of the water discharge device (19) is provided with a water softening device.
8. The system of claim 1, wherein the pipes are polyethylene pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020882844.4U CN212925995U (en) | 2020-05-21 | 2020-05-21 | External circulation water supply system of hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020882844.4U CN212925995U (en) | 2020-05-21 | 2020-05-21 | External circulation water supply system of hydropower station |
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| Publication Number | Publication Date |
|---|---|
| CN212925995U true CN212925995U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020882844.4U Active CN212925995U (en) | 2020-05-21 | 2020-05-21 | External circulation water supply system of hydropower station |
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| CN (1) | CN212925995U (en) |
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2020
- 2020-05-21 CN CN202020882844.4U patent/CN212925995U/en active Active
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