CN114991095A - Reservoir arrangement structure of pumped storage power station - Google Patents
Reservoir arrangement structure of pumped storage power station Download PDFInfo
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- CN114991095A CN114991095A CN202210664084.3A CN202210664084A CN114991095A CN 114991095 A CN114991095 A CN 114991095A CN 202210664084 A CN202210664084 A CN 202210664084A CN 114991095 A CN114991095 A CN 114991095A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 238000010248 power generation Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
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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
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention relates to a reservoir arrangement structure of a pumped storage power station, and belongs to the technical field of hydroelectric engineering. The water-conveying power generation system comprises a water-conveying power generation system, a first branch and a second branch, wherein the first branch is provided with a first water retaining dam to form a first reservoir, the second branch is provided with a second water retaining dam to form a second reservoir, the first reservoir and the second reservoir are communicated through a connecting hole, a bottom plate of the connecting hole is horizontally arranged, a control gate is arranged in the connecting hole, and a water inlet and a water outlet of the water-conveying power generation system are arranged in the first reservoir or the second reservoir. Under the premise of meeting the storage capacity required by engineering power generation, the invention can avoid the flooding of important villages, reduce the settlement investment of immigrants, and ensure the power generation benefit because the water resources of the first reservoir and the second reservoir can be fully recycled by the pumped storage power station.
Description
Technical Field
The invention relates to a reservoir arrangement structure of a pumped storage power station, and belongs to the technical field of hydroelectric engineering.
Background
With the large-scale development of new energy such as wind power, photovoltaic and the like, a novel power system taking the new energy as a main body is gradually constructed, and the demand on a flexible power supply is more urgent. The pumped storage power station has the functions of peak regulation, frequency modulation and the like, can ensure the safety of a power system, and promotes the large-scale development and consumption of system energy.
Pumped storage power stations generally include an upper reservoir, a lower reservoir, a water delivery system, a power plant, and the like. The upper reservoir and the lower reservoir generally need the storage capacity of about several million or thousands of cubic meters, the operation of the power station is divided into a water pumping working condition and a power generation working condition, redundant electric power is pumped by a reversible water pumping and power generation dual-purpose unit in the power utilization valley, the water in the lower reservoir is pumped to the upper reservoir, and the water is discharged for power generation in the power utilization peak. When the pumped storage power station is arranged, the pumped storage power station is often influenced by factors such as topographic conditions, environmental protection and immigration. For example, when selecting an upper reservoir or a lower reservoir, natural gully terrain is generally used, a dam is built at a proper position, and water is retained by mountains around a basin, so that sufficient effective storage capacity is formed. However, when important villages are upstream of the dam site planned by the reservoir, if the damming water is enough to form effective reservoir capacity, the important villages can be submerged due to high water level of the damming water; if the water level of the water retaining pipe is lower than that of the important village, the water retaining pipe may not have enough effective storage capacity.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the reservoir arrangement structure of the pumped storage power station can not submerge important villages in the upstream and can ensure enough effective storage capacity.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a pumped storage power station reservoir arrangement structure, includes water delivery power generation system, first tributary and second tributary, and first tributary is provided with first manger plate dam in order to form first reservoir, and the second tributary is provided with the second manger plate dam in order to form the second reservoir, and first reservoir and second reservoir are linked together through the connecting hole, and the bottom plate level in connecting hole sets up, is provided with the control gate in the connecting hole, and water delivery power generation system's inlet outlet is arranged in first reservoir or second reservoir.
Further, the method comprises the following steps: the first reservoir and the second reservoir have the same dead water level, and the upper surface elevation of the bottom plate of the connecting hole is not higher than the dead water level.
Further, the method comprises the following steps: the upper limit value of the water storage level of the first reservoir is larger than that of the second reservoir, and a water inlet and a water outlet of the water delivery and power generation system are arranged in the first reservoir.
Further, the method comprises the following steps: and the first retaining dam and the second retaining dam are provided with flood discharge facilities.
Further, the method comprises the following steps: the first retaining dam or the second retaining dam is provided with a hydroelectric power generation system, or both are provided with the hydroelectric power generation system.
Further, the method comprises the following steps: the first branch and the second branch are intersected to form a main flow, and the first retaining dam and the second retaining dam are arranged close to an intersection of the first branch and the second branch.
The invention has the beneficial effects that: the first reservoir and the second reservoir are formed by damming near the upstream of the junction of the two branches, the first reservoir and the second reservoir form an intercommunicating relation through a horizontally arranged connecting hole, and the water levels of the two reservoirs can be controlled through a valve in the connecting hole. The water inlet and outlet of the water delivery and power generation system are arranged in the first reservoir or the second reservoir, which can be selected according to the building distribution condition along the bank of the river channel, if the upper limit value of the water storage level of the first reservoir is larger than the upper limit value of the water storage level of the second reservoir, the water inlet and outlet of the water delivery and power generation system are arranged in the first reservoir, otherwise, the water inlet and outlet of the water delivery and power generation system are arranged in the second reservoir. Taking the scheme that the water inlet and the water outlet of the water transmission and power generation system are arranged in the first reservoir as an example, when the scheme is implemented, the corresponding water level of the first reservoir is the normal water storage level and the dead water level, the corresponding water level of the second reservoir is the highest water level and the dead water level of the second reservoir, and the relation is that the normal water storage level of the first reservoir is larger than the highest water level of the second reservoir and the dead water level of the two reservoirs is larger than the normal water storage level of the first reservoir and the highest water level of the second reservoir. The effective storage capacity of the first reservoir is the storage capacity between the normal water storage level and the dead water level of the first reservoir; the effective storage capacity of the second reservoir is the storage capacity between the highest water level and the dead water level of the second reservoir, and the sum of the effective storage capacities of the first reservoir and the second reservoir can meet the engineering requirement.
Suppose this scheme is applied to lower reservoir: when the water pumping working condition is adopted, the gate is closed, the water level of the first reservoir is a normal water storage level, the water level of the second reservoir is the highest water level of the second reservoir, the water of the first reservoir is pumped into the upper reservoir through the water inlet and the water outlet of the water transmission and power generation system, when the reservoir water level of the first reservoir is lowered to be lower than the highest water level of the second reservoir, the gate is opened, the water of the second reservoir flows to the first reservoir until the water levels of the two reservoirs are dead water levels; and when the water level of the reservoir rises to the highest water level of the second reservoir, the gate is closed, the water level of the second reservoir is stabilized at the highest water level, and the water level of the first reservoir continues to rise to the normal water storage level. If the scheme is an upper reservoir, the implementation mode is opposite.
According to the implementation process, under the premise of meeting the storage capacity required by engineering power generation, the method can avoid the flooding of important villages, reduce the settlement investment of immigrants, fully utilize the water resources of the first reservoir and the second reservoir by the pumped storage power station, and ensure the power generation benefit.
Drawings
FIG. 1 is a schematic plan view of the present invention;
fig. 2 is a schematic elevation view of the present invention.
The labels in the figure are: 1-a first reservoir, 2-a second reservoir, 3-a water delivery and power generation system, 4-a first retaining dam, 5-a second retaining dam, 6-a gate, 7-a first village, 8-a second village, 9-a first branch, 10-a second branch, 11-a connecting hole, 12-a main flow, 13-a ground line, 101-a first reservoir dead water level, 102-a first reservoir normal water storage level, 103-a second reservoir highest water level and 104-a second reservoir dead water level.
Detailed Description
For the purpose of promoting an understanding and an enabling description of the invention, reference should be made to the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings.
As shown in fig. 1 and 2, the present invention includes a water transportation and power generation system 3, a first branch 9 and a second branch 10, the first branch 9 is provided with a first retaining dam 4 to form a first reservoir 1, the second branch 10 is provided with a second retaining dam 5 to form a second reservoir 2, the first reservoir 1 and the second reservoir 2 are communicated through a connecting hole 11, a bottom plate of the connecting hole 11 is horizontally arranged (the direction of the connecting hole 11 may be a straight line or a curved line, as long as the bottom plates are located at the same elevation), a gate 6 is arranged in the connecting hole 11, and a water inlet and a water outlet of the water transportation and power generation system 3 are arranged in the first reservoir 1 or the second reservoir 2.
The water inlet and outlet of the water delivery and power generation system 3 are arranged in the first reservoir 1 or the second reservoir 2 and can be selected according to the building distribution condition along the bank of the river channel, if the upper limit value of the water storage level of the first reservoir 1 is larger than the upper limit value of the water storage level of the second reservoir 2, the water inlet and outlet of the water delivery and power generation system 3 is arranged in the first reservoir 1, otherwise, the water inlet and outlet are arranged in the second reservoir 2, and the adjusting function of the valve 6 can be fully exerted. In the embodiment shown in fig. 1 and 2, the position of the first village 7 on the shore of the first reservoir 1 is higher than the position of the second village 8 on the shore of the second reservoir 8, so that the upper limit value of the storage level of the first reservoir 1 can be larger than the upper limit value of the storage level of the second reservoir 2, and the water inlet and outlet of the water and power transmission system 3 are arranged in the first reservoir 1, when in implementation, the corresponding water levels of the first reservoir 1 are the first reservoir dead water level 101 and the first reservoir normal storage level 102, and the corresponding water levels of the second reservoir are the second reservoir highest water level 103 and the second dead water level 104, and the relation is that the first reservoir normal storage level 102 is larger than the second highest water level 103 and the dead water levels of the two reservoirs are larger. The effective storage capacity of the first reservoir 1 is the storage capacity between the normal storage level 102 of the first reservoir and the dead water level 101 of the first reservoir; the effective storage capacity of the second reservoir 2 is the storage capacity between the highest water level 103 of the second reservoir and the dead water level 104 of the second reservoir. On the premise of ensuring that both the first village 7 and the second reservoir 8 are not submerged, the sum of the effective storage capacities of the first reservoir 1 and the second reservoir 2 can meet the engineering requirement.
Suppose this scheme is applied to lower reservoir: under the water pumping working condition, the gate 6 is closed, the water level of the first reservoir 1 is a normal water storage level, the water level of the second reservoir 2 is a second reservoir highest water level 103, water in the first reservoir 1 is pumped into the upper reservoir through a water inlet and a water outlet of the water transmission and power generation system 3, when the reservoir water level of the first reservoir 1 is lowered to be lower than the second reservoir highest water level 103, the gate 6 is opened, and water in the second reservoir 2 flows to the first reservoir 1 until the water levels of the two reservoirs are dead water levels; when the power generation working condition is adopted, the water levels of the two reservoirs are dead water levels, the gate 6 is firstly opened, the water of the upper reservoir flows to the first reservoir 1 through the water delivery and power generation system 3 and flows to the second reservoir 2 through the gate 6, when the reservoir water level rises to the highest water level 103 of the second reservoir, the gate 6 is closed, the water level of the second reservoir 2 is stabilized at the highest water level, and the water level of the first reservoir 1 continues to rise to the normal water storage level. If the scheme is an upper reservoir, the implementation mode is opposite. The water in the first reservoir 1 and the water in the second reservoir 2 can be mutually circulated, and water resources can be fully recycled by the pumped storage power station, so that the power generation benefit is ensured.
Preferably, the first reservoir 1 and the second reservoir 2 have the same dead water level, and the upper surface of the bottom plate of the connecting hole 11 has a height not higher than the dead water level, so that the water in the two reservoirs can freely circulate even at the dead water level. The specific difference between the elevation of the upper surface of the bottom plate of the connecting hole 11 and the dead water level can be calculated according to the design flow rate and the width of the gate 6.
Preferably, the first retaining dam 4 and the second retaining dam 5 are each provided with a flood discharge facility for discharging the upstream incoming water to the downstream river.
Preferably, the first retaining dam 4 or the second retaining dam 5 or both are provided with a hydro-power generation system, and the surplus water can be used for generating power, thereby increasing the benefit.
Preferably, the main flow 12 is formed after the first branch flow 9 and the second branch flow 10 are intersected, and the first water retaining dam 4 and the second water retaining dam 5 are both arranged close to the intersection of the first branch flow 9 and the second branch flow 10. Therefore, the length of the connecting hole 11 can be shortened to the maximum extent, and the engineering investment is reduced.
Claims (6)
1. A pumped-storage power station reservoir arrangement comprising a water-transport power generation system (3), a first branch (9) and a second branch (10), characterized in that: first tributary (9) are provided with first manger plate dam (4) in order to form first reservoir (1), second tributary (10) are provided with second manger plate dam (5) in order to form second reservoir (2), first reservoir (1) and second reservoir (2) are linked together through connecting hole (11), the bottom plate level of connecting hole (11) sets up, be provided with gate (6) in connecting hole (11), the inlet outlet of water transmission power generation system (3) is arranged in first reservoir (1) or in second reservoir (2).
2. The pumped-storage power station reservoir arrangement of claim 1, wherein: the first reservoir (1) and the second reservoir (2) have the same dead water level, and the elevation of the upper surface of the bottom plate of the connecting hole (11) is not higher than the dead water level.
3. The pumped-storage power station reservoir arrangement of claim 1, wherein: the upper limit value of the water storage level of the first reservoir (1) is larger than the upper limit value of the water storage level of the second reservoir (2), and a water inlet and a water outlet of the water transmission and power generation system (3) are arranged in the first reservoir (1).
4. A pumped storage power station reservoir arrangement as claimed in any one of claims 1 to 3, characterized in that: the first retaining dam (4) and the second retaining dam (5) are provided with flood discharge facilities.
5. A pumped storage power station reservoir arrangement as claimed in any one of claims 1 to 3, characterized in that: the first retaining dam (4) or the second retaining dam (5) is provided with a hydroelectric power generation system, or both the first retaining dam and the second retaining dam are provided with hydroelectric power generation systems.
6. A pumped storage power station reservoir arrangement as claimed in any one of claims 1 to 3, characterized in that: the main flow (12) is formed after the first branch flow (9) and the second branch flow (10) are intersected, and the first retaining dam (4) and the second retaining dam (5) are arranged close to an intersection of the first branch flow (9) and the second branch flow (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210664084.3A CN114991095B (en) | 2022-06-13 | 2022-06-13 | Reservoir arrangement structure of pumped storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210664084.3A CN114991095B (en) | 2022-06-13 | 2022-06-13 | Reservoir arrangement structure of pumped storage power station |
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| CN114991095A true CN114991095A (en) | 2022-09-02 |
| CN114991095B CN114991095B (en) | 2024-02-23 |
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| CN202210664084.3A Active CN114991095B (en) | 2022-06-13 | 2022-06-13 | Reservoir arrangement structure of pumped storage power station |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030064685A (en) * | 2003-06-27 | 2003-08-02 | 안순균 | Existing dam combined with auxiliary dam and pumped storage power plant |
| DE102011051305A1 (en) * | 2011-06-24 | 2012-12-27 | TECSOL GmbH | pumped storage power plant |
| DE202013011141U1 (en) * | 2013-12-11 | 2014-11-25 | Siegfried Schuster | Pumpspeicherwerk |
| CN206220070U (en) * | 2016-12-03 | 2017-06-06 | 三峡大学 | A kind of comprehensive marine electricity generation system |
| CN206752426U (en) * | 2017-04-24 | 2017-12-15 | 大连理工大学 | A kind of Novel flush storage station water system |
| CN108487176A (en) * | 2018-05-18 | 2018-09-04 | 水工生态科技集团（广东）有限公司 | Manage water model |
| CN110485362A (en) * | 2019-09-20 | 2019-11-22 | 中国电建集团成都勘测设计研究院有限公司 | More automatic joint debugging formula reservoirs in library |
| CN209741789U (en) * | 2018-12-27 | 2019-12-06 | 河南磁兴能源科技有限公司 | double-reservoir tidal power generation dam |
-
2022
- 2022-06-13 CN CN202210664084.3A patent/CN114991095B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030064685A (en) * | 2003-06-27 | 2003-08-02 | 안순균 | Existing dam combined with auxiliary dam and pumped storage power plant |
| DE102011051305A1 (en) * | 2011-06-24 | 2012-12-27 | TECSOL GmbH | pumped storage power plant |
| DE202013011141U1 (en) * | 2013-12-11 | 2014-11-25 | Siegfried Schuster | Pumpspeicherwerk |
| CN206220070U (en) * | 2016-12-03 | 2017-06-06 | 三峡大学 | A kind of comprehensive marine electricity generation system |
| CN206752426U (en) * | 2017-04-24 | 2017-12-15 | 大连理工大学 | A kind of Novel flush storage station water system |
| CN108487176A (en) * | 2018-05-18 | 2018-09-04 | 水工生态科技集团（广东）有限公司 | Manage water model |
| CN209741789U (en) * | 2018-12-27 | 2019-12-06 | 河南磁兴能源科技有限公司 | double-reservoir tidal power generation dam |
| CN110485362A (en) * | 2019-09-20 | 2019-11-22 | 中国电建集团成都勘测设计研究院有限公司 | More automatic joint debugging formula reservoirs in library |
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| CN114991095B (en) | 2024-02-23 |
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