CN101748714A - End-to-end connection arrangement form of valley cascade hydropower station with leading reservoir - Google Patents
End-to-end connection arrangement form of valley cascade hydropower station with leading reservoir Download PDFInfo
- Publication number
- CN101748714A CN101748714A CN200910262192A CN200910262192A CN101748714A CN 101748714 A CN101748714 A CN 101748714A CN 200910262192 A CN200910262192 A CN 200910262192A CN 200910262192 A CN200910262192 A CN 200910262192A CN 101748714 A CN101748714 A CN 101748714A
- Authority
- CN
- China
- Prior art keywords
- water
- power station
- reservoir
- different levels
- tail
- 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.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Sewage (AREA)
Abstract
The invention discloses an end-to-end connection arrangement form of valley cascade hydropower stations with leading reservoirs, having favorable overall benefits and comprising an upstream leading reservoir and each-step power station plant sequentially arranged in the downstream position of the leading reservoir along the flow direction of a river way, wherein each-step water-diverting building is also arranged on the foundation of the upstream leading reservoir along the flow direction of the river way, the tail end of each-step water-diverting building is respectively connected with the machine set water inlet of the corresponding each-step power station plant, and except that the tail water of the last one step of power station is diverted to the river way, the tail water of the rest of each-step power station plant is respectively supplied to the water inlets of the corresponding lower-step water-diverting buildings through water-diverting facilities. The end-to-end connection arrangement form has the advantages of brief arrangement, flexible and convenient operation of the cascade hydropower stations, investment saving, superior kinetic energy and economic index and the like, has no influences of bad conditions such as rainstorms, flood and the like on each power station, fully exerts the overall benefits of a valley and a cascade, and can be popularized and used in the many medium and small-size alley cascade hydropower stations designed at present.
Description
Technical field
Step hydropower station, the basin tail head that the present invention relates to use in the Hydraulic and Hydro-Power Engineering promptly goes up the linking arrangement form of the stem of the tail water of a step and next step.
Background technology
Figure 1 shows that the step power station exploitation form in a basin in the traditional water conservancy hydroelectric project.It comprises upstream tap reservoir 1 and the power stations at different levels factory building 201,202,203,204,205 that sets gradually in the downstream of this tap reservoir 1 of the flow direction in road 4 along the river, from upstream tap reservoir 1 substantially along the river the flow direction in road 4 also be provided with water diverting structures 301,302,303,304,305 at different levels, the end of described water diverting structure at different levels 301,302,303,304,305 is connected with the unit water inlet of corresponding power stations at different levels factory building 201,202,203,204,205, and the tail water of power stations at different levels factory building 201,202,203,204,205 then is included into river course 4.That is to say that each power station in this arrangement form is independently, all by stem regulating dam 501,502,503,504,505, and compositions such as sand trap, diversion tunnel (or water-drawing channel), surge-chamber, pressure pipeline, factory building and tail water.The shortcoming of above-mentioned this cascade development form is complex structure, scope and immigrant's One's name is legion are flooded in the reservoir area, to the obvious effect of natural environment, and the operation in each power station also is subjected to the influence of unfavorable conditions such as heavy rain, flood, reduced the overall efficiency of basin, step.
Summary of the invention
Technical problem solved by the invention provides a kind of overall efficiency preferably with the first arrangement form that is connected of the basin step power station tail of leading reservoir.
The technical scheme that solves the problems of the technologies described above is: with the first arrangement form that is connected of the basin step power station tail of leading reservoir, comprise upstream tap reservoir and the power stations at different levels factory building that sets gradually in the downstream of this tap reservoir of the flow direction in road along the river, from upstream tap reservoir substantially along the river the flow direction in road also be provided with water diverting structures at different levels, the end of water diverting structures at different levels is connected with the unit water inlet of corresponding power stations at different levels factory building respectively, except that the tail water of afterbody power station factory building is included into the river course, the tail water of all the other power stations at different levels factory buildings is connected with the water inlet of corresponding subordinate's water diverting structure by the diversion facility respectively.
The invention has the beneficial effects as follows: make each step hydropower station form connected effect, be convenient to centralized and unified scheduling, give full play to the overall efficiency of basin, step; The clear water (non-silt carrying flow) in tap reservoir power station is not gone to river, and has avoided each step power station of fully-loaded stream upstream and downstream to build the bigger sand trap of investment; Each step hydropower station stem barrage water intaking hinge of tap reservoir downstream can be simplified greatly, has also significantly reduced the reservoir area simultaneously and has flooded scope and immigrant's quantity; Help environmental protection and water and soil conservation, do not influence hydrobiological living environment substantially; On the river of mud-rock flow pilosity, also efficiently solve reservoir area silt alluvial problem and mud-rock flow and stem gate dam building is caused the destruction problem that to resist.This technology has arranges succinctly, and the step hydropower station flexible operation is convenient, and the operation in each power station is not subjected to the influence of unfavorable conditions such as heavy rain, flood, gives full play to the overall efficiency of basin, step, and advantage such as reduced investment, power energy economy index be superior.Can promote the use of at the many medium and small basin step power station of design at present.
Description of drawings
Fig. 1 is the schematic diagram of the step power station exploitation form in a basin in the existing Hydraulic and Hydro-Power Engineering.
Fig. 2 is the first arrangement form schematic diagram that is connected of the reservoir watershed step power station tail of the application's band tap.
Fig. 3 is the schematic diagram of embodiment 1.
Fig. 4 is the schematic diagram of embodiment 2.
Direction shown in the arrow is the flow direction in river course among Fig. 1,2.
Be labeled as among the figure: upstream tap reservoir 1, power stations at different levels factory building 201,202,203,204,205, water diverting structures 301,302,303,304,305 at different levels, river course 4, stem regulating dam 501,502,503,504,505, water-drawing channel 6, collection chamber 7, regulating reservoir 8, bottom sieve frame barrier dam 9.
The specific embodiment
The present invention is described further below in conjunction with drawings and Examples.
The first arrangement form that is connected of basin step power station tail of band tap reservoir as shown in Figure 2, comprise upstream tap reservoir 1 and the power stations at different levels factory building 201 that sets gradually in the downstream of this tap reservoir 1 of the flow direction in road 4 along the river, 202,203, from upstream tap reservoir 1 substantially along the river the flow direction in road 4 also be provided with water diverting structures 301 at different levels, 302,303, water diverting structures 301 at different levels, 302,303 end respectively with corresponding power stations at different levels factory building 201,202,203 unit water inlet is connected, except that the tail water of afterbody power station factory building 203 is included into the river course 4 all the other power stations at different levels factory buildings 201,202 tail water is respectively by diversion facility and corresponding subordinate's water diverting structure 302,303 water inlet is connected.This arrangement form is actual to be with polyphone between water diverting structures 301,302,303 at different levels and the power stations at different levels factory building 201,202,203, the clear water (non-silt carrying flow) of drawing from upstream tap reservoir 1 just is included into river course 4 after through afterbody power station factory building 203, therefore avoided each step power station of fully-loaded stream upstream and downstream to build the bigger sand trap of investment, make each step hydropower station form connected effect, be convenient to centralized and unified scheduling, give full play to the overall efficiency of basin, step.
For the flow in the water diverting structure 302,303 is regulated, shown in Fig. 2～4, except that the tail water water of afterbody power station factory building 203 is included into the river course 4, the tail water of all the other power stations at different levels factory buildings 201,202 is connected with the littoral regulating reservoir 8 that is provided with by cross a river sag pipe, channel or culvert respectively, the water inlet linking of described each regulating reservoir 8 and corresponding subordinate's water diverting structure 302,303.Can control flow in the water diverting structure 302,303 by the water inlet control sluice of regulating reservoir 8, be convenient to centralized and unified scheduling, give full play to the overall efficiency of basin, step.
In addition, shown in Fig. 2～4, except that afterbody power station factory building 203, corresponding all the other power stations at different levels factory buildings 201,202 also are respectively arranged with bottom sieve frame barrier dam 9 on river course 4, the water-drawing channel 6 on described each bottom sieve frame barrier dam 9 intersects at collection chamber 7 with the tailrace outlet of corresponding power stations at different levels factory building 201,202, is connected by cross a river sag pipe, channel or culvert between described collection chamber 7 and the corresponding regulating reservoir 8.By after bottom sieve frame barrier dam 9 is set makes the interval flow in river course between the step hydropower station under guaranteeing, let out river course environmental protection traffic requirement, the unnecessary water yield is introduced in the regulating reservoirs 8 through collection chamber 7, thereby brought into play the overall efficiency of basin, step more fully.
Embodiment 1
As shown in Figure 3, the tail water of first order power station factory building 201 enters collection chamber 7, interval flow enters collection chamber 7 by bottom sieve frame barrier dam 9 again through water-drawing channel 6, heavy gravel pond simultaneously, the water yield after compiling enters regulating reservoir 8 as the flow of quoting of next step hydropower station by channel, and the water inlet control sluice by regulating reservoir 8 enters corresponding second level water diverting structure 302 then.
Embodiment 2
As shown in Figure 4, the tail water of power station, second level factory building 202 enters collection chamber 7, interval flow enters collection chamber 7 by bottom sieve frame barrier dam 9 again through water-drawing channel 6, heavy gravel pond simultaneously, the water yield after compiling enters regulating reservoir 8 as the flow of quoting of next step hydropower station by the cross a river sag pipe, and the water inlet control sluice by regulating reservoir 8 enters corresponding third level water diverting structure 303 then.
Claims (3)
1. with the first arrangement form that is connected of the basin step power station tail of leading reservoir, comprise upstream tap reservoir (1) and the power stations at different levels factory building (201 that sets gradually in the downstream of this tap reservoir (1) of the flow direction of road (4) along the river, 202,203), from upstream tap reservoir (1) substantially along the river the flow direction of road (4) also be provided with water diverting structures (301 at different levels, 302,303), described water diverting structure at different levels (301,302,303) end respectively with corresponding power stations at different levels factory building (201,202,203) unit water inlet is connected, it is characterized in that: except that the tail water of afterbody power station factory building (203) is included into the river course (4) all the other power stations at different levels factory buildings (201,202) tail water is respectively by diversion facility and corresponding subordinate's water diverting structure (302,303) water inlet is connected.
2. the first arrangement form that is connected of the basin step power station tail of the leading reservoir of band as claimed in claim 1, it is characterized in that: except that the tail water of afterbody power station factory building (203) is included into the river course (4), the tail water of all the other power stations at different levels factory buildings (201,202) is connected with the littoral regulating reservoir (8) that is provided with by cross a river sag pipe, channel or culvert respectively, the water inlet linking of described each regulating reservoir (8) and corresponding subordinate's water diverting structure (302,303).
3. the first arrangement form that is connected of the basin step power station tail of the leading reservoir of band as claimed in claim 2, it is characterized in that: except that afterbody power station factory building (203), (4) are gone up corresponding all the other power stations at different levels factory buildings (201,202) and also are respectively arranged with bottom sieve frame barrier dam (9) in the river course, the water-drawing channel (6) on described each bottom sieve frame barrier dam (9) intersects at collection chamber (7) with the tailrace outlet of corresponding power stations at different levels factory building (201,202), is connected by cross a river sag pipe, channel or culvert between described collection chamber (7) and the corresponding regulating reservoir (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910262192A CN101748714A (en) | 2009-12-22 | 2009-12-22 | End-to-end connection arrangement form of valley cascade hydropower station with leading reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910262192A CN101748714A (en) | 2009-12-22 | 2009-12-22 | End-to-end connection arrangement form of valley cascade hydropower station with leading reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101748714A true CN101748714A (en) | 2010-06-23 |
Family
ID=42476291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910262192A Pending CN101748714A (en) | 2009-12-22 | 2009-12-22 | End-to-end connection arrangement form of valley cascade hydropower station with leading reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101748714A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647466A (en) * | 2020-12-16 | 2021-04-13 | 长江勘测规划设计研究有限责任公司 | Sediment management method suitable for sandy river hydropower station |
| CN113982307A (en) * | 2021-11-04 | 2022-01-28 | 中国电建集团成都勘测设计研究院有限公司 | Post-disaster debris flow repair method for ground power generation plant |
-
2009
- 2009-12-22 CN CN200910262192A patent/CN101748714A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647466A (en) * | 2020-12-16 | 2021-04-13 | 长江勘测规划设计研究有限责任公司 | Sediment management method suitable for sandy river hydropower station |
| CN113982307A (en) * | 2021-11-04 | 2022-01-28 | 中国电建集团成都勘测设计研究院有限公司 | Post-disaster debris flow repair method for ground power generation plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103510493B (en) | Low overflow dam cave depot type hydropower station | |
| CN101003969A (en) | Method for harnessing pollution by supplying water to rivers in city | |
| CN103410130A (en) | Multi-purpose tunnel arrangement structure | |
| CN105257454B (en) | A kind of water channeling type swirling water current electricity generation system | |
| CN109267549A (en) | A kind of diversion tunnel structure | |
| CN204185835U (en) | Power station free pressure flow tail water discharge | |
| CN101748714A (en) | End-to-end connection arrangement form of valley cascade hydropower station with leading reservoir | |
| CN201610543U (en) | Tail-to-head connecting distributing mode of cascade hydropower stations with faucet reservoirs | |
| CN104099909B (en) | Based on the flood discharge generating sync energy dissipater of flood-discharge tunnel | |
| CN201358449Y (en) | Circulating tube type hydropower station | |
| CN101251078A (en) | Application of low ebb electricity in water-utilization project | |
| CN206752427U (en) | A kind of power station ground power house tailrace outlet structure and its power station | |
| CN103114565B (en) | River-closure water-diversion system suitable for slope torrent watercourse water-diversion generation and hydropower stations | |
| CN105019414B (en) | Composite lock chamber structure for narrow water intake of mountain hydropower project | |
| CN204805019U (en) | Multistage hydropower device of single canal | |
| CN210827385U (en) | Flood discharge drainage channel structure | |
| CN112813938A (en) | Water diversion system for lower-stage power station of step hydropower station | |
| CN209194485U (en) | A kind of diversion tunnel structure | |
| CN102352617B (en) | Bulb-tubular hydropower station plant diverting constructing method | |
| CN206157689U (en) | City distributing type groundwater reservoir crowd | |
| CN205662903U (en) | Water conservancy diversion water -retaining structure that by stages sluices | |
| CN205934874U (en) | Diversion formula power house arrangement structure | |
| CN218116360U (en) | Underground tail water system of hydropower station | |
| CN205688412U (en) | A kind of powerhouse of hydropower station tailwater channel leads wall arrangement | |
| CN215252714U (en) | Water diversion system for lower-stage power station of step hydropower station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100623 |