CN114991095B - Reservoir arrangement structure of pumped storage power station - Google Patents
Reservoir arrangement structure of pumped storage power station Download PDFInfo
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- CN114991095B CN114991095B CN202210664084.3A CN202210664084A CN114991095B CN 114991095 B CN114991095 B CN 114991095B CN 202210664084 A CN202210664084 A CN 202210664084A CN 114991095 B CN114991095 B CN 114991095B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 160
- 238000010248 power generation Methods 0.000 claims abstract description 41
- 238000005086 pumping Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
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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
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
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-supply power generation system comprises a water-supply 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, the 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-supply power generation system are arranged in the first reservoir or the second reservoir. Under the precondition of meeting the storage capacity required by engineering power generation, the invention can avoid the flooding of important villages, reduce the settling investment of immigrants, fully recycle the water resources of the first reservoir and the second reservoir by the pumped storage power station and ensure the power generation benefit.
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 sources such as wind power, photovoltaic and the like, a novel power system taking the new energy sources as a main body is gradually constructed, and the demand on flexible adjusting power supply is more urgent. The pumped storage power station has the functions of peak regulation, frequency modulation and the like, and can ensure the safety of a power system and promote the large-scale development and the digestion of energy sources.
Pumped storage power stations generally comprise 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 reservoir capacity of about millions or tens of millions of cubic meters, the operation of a power station is divided into a water pumping working condition and a power generation working condition, redundant power is pumped by a reversible water pumping and power generation dual-purpose unit when the power is used for low-peak power consumption, water in the lower reservoir is pumped to the upper reservoir, and the water is discharged for power generation when the power is used for high-peak power consumption. When the pumped storage power station is arranged, the pumped storage power station is often influenced by the topography and geological conditions, environmental protection, immigration and other factors. For example, when selecting upper or lower reservoirs, it is common to use natural gully terrain, dam in place, and water retaining around the basin using hills to create sufficient effective reservoir capacity. However, when there is an important village upstream of the planned dam site of the reservoir, if the dam is made to keep water to form a sufficient effective storage capacity, the important village may be submerged due to the high water level of the water; if the water level is kept below the important village, the water may not have sufficient effective storage capacity.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: a pumped storage power station reservoir arrangement structure is provided, which can not submerge important villages upstream and can ensure that the reservoir arrangement structure has enough effective storage capacity.
The technical scheme adopted by the invention for solving the technical problems is as follows: 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 retaining dam in order to form first reservoir, and the second tributary is provided with the second retaining 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 of connecting hole sets up, is provided with control gate in the connecting hole, and water delivery power generation system's inlet outlet arranges in first reservoir or in the second reservoir.
Further is: the dead water level of the first reservoir is the same as that of the second reservoir, and the elevation of the upper surface of the bottom plate of the connecting hole is not higher than the dead water level.
Further is: the upper limit value of the water storage level of the first reservoir is larger than that of the second reservoir, and the water inlet and outlet of the water delivery power generation system is arranged in the first reservoir.
Further is: the first retaining dam and the second retaining dam are both provided with flood discharge facilities.
Further is: either the first or the second dam is provided with a hydro-power generation system, or both.
Further is: the first branch flow and the second branch flow are intersected to form a main flow, and the first retaining dam and the second retaining dam are both arranged close to the intersection of the first branch flow and the second branch flow.
The beneficial effects of the invention are as follows: and a first reservoir and a second reservoir are formed by damming near the upstream of the junction of the two tributaries, the first reservoir and the second reservoir form an intercommunication relationship by a connecting hole which is horizontally arranged, and the water levels of the two reservoirs can be controlled by a valve in the connecting hole. The water inlet and outlet of the water delivery power generation system is arranged in the first reservoir or the second reservoir can be selected according to the building distribution condition of the river course coast, and 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 power generation system is arranged in the first reservoir, otherwise, the water inlet and outlet of the water delivery power generation system is arranged in the second reservoir. Taking the scheme that water inlets and outlets of the water delivery power generation system are arranged in the first reservoir as an example, when the water delivery power generation system 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 relationship is that the normal water storage level of the first reservoir is more than the highest water level of the second reservoir is more than the dead water levels of the two reservoirs. The effective reservoir capacity of the first reservoir is the reservoir 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 engineering requirements.
Assume that this scheme is applied to the following reservoir: when the water pumping working condition is adopted, the gate is closed, the water level of the first reservoir is the normal water storage level, the water level of the second reservoir is the highest water level of the second reservoir, water in the first reservoir is pumped to the upper reservoir through the water inlet and outlet of the water delivery power generation system, when the water level of the first reservoir is lower than the highest water level of the second reservoir, the gate is opened, and the water in the second reservoir flows to the first reservoir until the water levels of the two reservoirs are all dead water levels; when the water level of the first reservoir is higher than 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 is continuously raised to the normal water storage level. If the present embodiment is a top reservoir, the embodiments are reversed.
According to the implementation process, under the precondition that the storage capacity required by engineering power generation is met, the invention can avoid the important village from being submerged, reduce the settling investment of the immigrants, and the water resources of the first reservoir and the second reservoir can be fully recycled by the pumped storage power station, so that the power generation benefit is ensured.
Drawings
FIG. 1 is a schematic plan view of the present invention;
fig. 2 is an elevational schematic of the present invention.
The marks in the figure: 1-first reservoir, 2-second reservoir, 3-water delivery power generation system, 4-first retaining dam, 5-second retaining dam, 6-gate, 7-first village, 8-second village, 9-first tributary, 10-second tributary, 11-connecting hole, 12-main stream, 13-ground line, 101-first reservoir dead water level, 102-first reservoir normal water level, 103-second reservoir highest water level, 104-second reservoir dead water level.
Detailed Description
For the purposes of facilitating understanding and practicing the invention, preferred embodiments of the invention are chosen to be further described in conjunction with the accompanying drawings.
As shown in fig. 1 and 2, the invention comprises a water delivery power generation system 3, a first branch 9 and a second branch 10, wherein the first branch 9 is provided with a first water retaining dam 4 to form a first reservoir 1, the second branch 10 is provided with a second water 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, the bottom plate of the connecting hole 11 is horizontally arranged (the trend of the connecting hole 11 can be straight or curved as long as the bottom plate is positioned at the same elevation), a gate 6 is arranged in the connecting hole 11, and the water inlet and outlet of the water delivery power generation system 3 is arranged in the first reservoir 1 or the second reservoir 2.
Whether the water inlet and outlet of the water delivery power generation system 3 is arranged in the first reservoir 1 or the second reservoir 2 can be selected according to the building distribution condition of the river course coast, 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 power generation system 3 is arranged in the first reservoir 1, otherwise, the water inlet and outlet of the water delivery power generation system 3 is arranged in the second reservoir 2, and thus the regulation 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 located along the bank of the first reservoir 1 is higher than the position of the second village 8 located along the bank of the second reservoir 8, so that the upper limit value of the water storage level of the first reservoir 1 can be larger than the upper limit value of the water storage level of the second reservoir 2, and the water inlet and outlet ports of the water delivery power generation system 3 are arranged in the first reservoir 1, and when the water delivery power generation system is implemented, the corresponding water level of the first reservoir 1 is the first reservoir dead water level 101 and the normal water storage level 102 of the first reservoir, and the corresponding water level of the second reservoir is the second reservoir maximum water level 103 and the second reservoir dead water level 104, and the relationship is that the normal water storage level 102 of the first reservoir is greater than the maximum water storage level 103 of the second reservoir by two reservoirs. 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 level 101 of the first reservoir; the effective storage capacity of the second reservoir 2 is the storage capacity between the second reservoir maximum level 103 and the second reservoir dead level 104. The sum of the effective capacities of the first reservoir 1 and the second reservoir 2 can meet engineering requirements on the premise of ensuring that neither the first village 7 nor the second reservoir 8 is submerged.
Assume that this scheme is applied to the following reservoir: when the water pumping working condition is adopted, the gate 6 is closed, the water level of the first reservoir 1 is the normal water storage level, the water level of the second reservoir 2 is the highest water level 103 of the second reservoir, water in the first reservoir 1 is pumped to the upper reservoir through the water inlet and outlet of the water delivery power generation system 3, when the water storage level of the first reservoir 1 is lowered to be lower than the highest water level 103 of the second reservoir, 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 that the water levels of the two reservoirs are dead water levels, firstly, the gate 6 is opened, water in the upper reservoir flows to the first reservoir 1 through the water delivery power generation system 3 and flows to the second reservoir 2 through the gate 6, after the water level in the reservoir 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 continuously rises to the normal water storage level. If the present embodiment is a top reservoir, the embodiments are reversed. The water in the first reservoir 1 and the water in the second reservoir 2 can circulate mutually, and water resources can be fully recycled by the pumped storage power station, so that the power generation benefit is ensured.
Preferably, the dead water levels of the first reservoir 1 and the second reservoir 2 are the same, and the upper surface elevation of the bottom plate of the connecting hole 11 is not higher than the dead water level, so that the water of the two reservoirs can freely circulate at the dead water level. For a specific difference between the elevation of the upper surface of the bottom plate of the connection hole 11 and the dead water level, it can be calculated according to the design flow rate and the width of the gate 6.
Preferably, both the first retaining dam 4 and the second retaining dam 5 are provided with flood discharge facilities for discharging upstream incoming water to the downstream waterway.
Preferably, the first retaining dam 4 or the second retaining dam 5 is provided with a hydroelectric power generation system, or both of them are provided with a hydroelectric power generation system, so that surplus water can be used for generating electricity, thereby increasing the benefit.
Preferably, the first subsidiary stream 9 and the second subsidiary stream 10 meet to form the main stream 12, and the first retaining dam 4 and the second retaining dam 5 are both disposed near the intersection of the first subsidiary stream 9 and the second subsidiary stream 10. Thus, the length of the connecting hole 11 can be shortened to the greatest extent, and the engineering investment is reduced.
Claims (4)
1. The utility model provides a pumped storage power station reservoir arrangement structure, including water delivery power generation system (3), first tributary (9) and second tributary (10), first tributary (9) are provided with first retaining dam (4) in order to form first reservoir (1), second tributary (10) are provided with second retaining 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 setting of connecting hole (11), the dead water level of first reservoir (1) and second reservoir (2) is the same, the bottom plate upper surface elevation of connecting hole (11) is not higher than the dead water level; the method is characterized in that: a gate (6) is arranged in the connecting hole (11), 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 the water inlet and outlet of the water delivery power generation system (3) is arranged in the first reservoir (1); if the first reservoir (1) is a lower reservoir, the gate (6) is closed under the water pumping working condition, 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 of the first reservoir (1) is pumped to the upper reservoir through the water inlet and outlet of the water delivery power generation system (3), when the water level of the first reservoir (1) is lower than the second reservoir highest water level (103), the gate (6) is opened, and water of the second reservoir (2) flows to the first reservoir (1) until the water levels of the first reservoir (1) and the second reservoir (2) are dead water levels; when the power generation working condition is that the water levels of the first reservoir (1) and the second reservoir (2) are dead water levels, firstly, the gate (6) is opened, water in the upper reservoir flows to the first reservoir (1) through the water delivery power generation system (3) and flows to the second reservoir (2) through the gate (6), after the water level of the reservoir 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, the water level of the first reservoir (1) continues to rise to the normal water level, and if the first reservoir (1) is the upper reservoir, the implementation mode is opposite.
2. A pumped storage power station reservoir arrangement as set forth in claim 1, wherein: the first retaining dam (4) and the second retaining dam (5) are both provided with flood discharge facilities.
3. A pumped storage power station reservoir arrangement as set forth in claim 1, wherein: the first retaining dam (4) or the second retaining dam (5) is provided with a hydroelectric power generation system, or both are provided with hydroelectric power generation systems.
4. A pumped storage power station reservoir arrangement as set forth in claim 1, wherein: the first branch flow (9) and the second branch flow (10) are intersected to form a main flow (12), and the first retaining dam (4) and the second retaining dam (5) are both arranged close to the 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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| Publication Number | Publication Date |
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| CN114991095A CN114991095A (en) | 2022-09-02 |
| CN114991095B true CN114991095B (en) | 2024-02-23 |
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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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| CN114991095A (en) | 2022-09-02 |
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