CN106149647A - Method and structure for releasing ecological flow without artificial control - Google Patents
Method and structure for releasing ecological flow without artificial control Download PDFInfo
- Publication number
- CN106149647A CN106149647A CN201510156694.2A CN201510156694A CN106149647A CN 106149647 A CN106149647 A CN 106149647A CN 201510156694 A CN201510156694 A CN 201510156694A CN 106149647 A CN106149647 A CN 106149647A
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- Prior art keywords
- ecological flow
- drain tank
- manual control
- letting out
- under manual
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- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The invention discloses a method and a structure for automatically controlling the ecological flow of a spillway without artificial control. The structure of the water-saving device comprises the existing water outlet structure; an ecological flow water drainage tank is arranged at a non-overflow dam section on one side of the existing water outlet building. The invention has simple and easy structure, no siltation, no gate, convenient management and wide popularization and application in the pivot engineering with low water head and small variation of reservoir water level.
Description
Technical field
The present invention relates to a kind of not by letting out method and the structure of ecological flow under manual control, belong to hydraulic engineering Guarantee Of Environment technical field.
Background technology
The construction of Hydraulic and Hydro-Power Engineering dam, changes the process of river natural runoff, and generally, ecological flow is the minimum requirements ensureing downstream ecology water-use for environment, under to let out ecological flow be the important measures ensureing downstream ecology environment.In the runtime, according to different Hydraulic and Hydro-Power Engineering characteristics, under let out the mode of ecological flow and generally have under gate earial drainage, ecological unit and let out and the mode such as traffic control.
Gate earial drainage mainly utilizes existing low lock gate, such as the earial drainage such as sluice, scouring sluice.But engineering safety is had an impact by long-term local starting gate earial drainage.Let out under ecological unit with traffic control under let out power benefit impact bigger.It addition, also there is the scheme being disposed with drain tank under gate, but this kind of scheme is in the case of outlet structure escape works are closed, and drain tank easily deposits.Owing to letting out under ecological flow, the benefit of engineering can be made to a certain extent to incur loss, embodiment party's enthusiasm is the highest, and such scheme is all by manual control, is not easy to the supervision of Environmental protection management department.
Summary of the invention
It is an object of the invention to, it is provided that a kind of not by method and the structure letting out ecological flow under manual control, in order to the supervision of Environmental protection management department, thus overcome the deficiencies in the prior art.
The technical scheme is that and be achieved in that:
The a kind of of the present invention by the method letting out ecological flow under manual control is not, the method is to be provided with an ecological flow drain tank at the Hydraulic and Hydro-Power Engineering non-overflow section of dam of reservoir, this ecological flow drain tank import floor elevation is less than dead water level, drain tank bottom surface has downwards certain gradient, the top of ecological flow drain tank section to be connected with non-overflow dam crest.
In preceding method, the described ecological flow following cross-sectional area of drain tank level of dead water, meet the calculating of ecological flow conveyance capacity during according to level of dead water and determine.
In preceding method, the prone gradient at the bottom of described ecological flow drain tank is about 1/20；If the gradient is bigger, stiling basin need to be set in exit position.
It is not that this structure is that the non-overflow section of dam in existing outlet structure escape works side is provided with ecological flow drain tank by the structure letting out ecological flow under manual control according to a kind of of the present invention that said method is constituted.
In aforementioned structure, described ecological flow drain tank bottom surface is the inclined plane that height downstream, upstream is low, and gradient is about 1/20.
In aforementioned structure, the upstream edge of described ecological flow drain tank bottom surface is less than Hydraulic and Hydro-Power Engineering level of dead water.
Owing to have employed technique scheme, compared with prior art, the present invention's is simple for structure for the present invention, will not deposit, and does not set gate, convenient management, the present invention can in the multi-purpose project that low water head, reservoir water level luffing are less wide popularization and application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Being labeled as in accompanying drawing: 1-ecological flow drain tank, 2-non-overflow section of dam, the existing outlet structure escape works of 3-.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings, but not as any limitation of the invention.
The a kind of of the present invention by the method letting out ecological flow under manual control is not, the method is to be provided with an ecological flow drain tank 1 at Hydraulic and Hydro-Power Engineering non-overflow section of dam, this ecological flow drain tank 1 import floor elevation is less than dead water level, drain tank bottom surface has downwards certain gradient, the top of ecological flow drain tank section to be connected with non-overflow dam crest.The following cross-sectional area of ecological flow drain tank level of dead water, meets the calculating of ecological flow conveyance capacity and determines during according to level of dead water.The downward gradient of ecological flow drain tank is about 1/20；If the gradient is bigger, stiling basin need to be set in exit position.
It is not that this structure includes existing outlet structure escape works 3 by the structure letting out ecological flow under manual control according to a kind of of the present invention that said method is formed；The non-overflow section of dam 2 of existing outlet structure escape works 3 side is provided with ecological flow drain tank 1；Ecological flow drain tank 1 bottom surface is the inclined plane that height downstream, upstream is low, and gradient is about 1/20.The upstream edge of 1 ecological flow drain tank 1 bottom surface is less than dead water level.
Embodiment
The Hydraulic and Hydro-Power Engineering that the structure of the present embodiment is applicable to low water head, reservoir water level luffing is less.It is as shown in Figure 1, it is to be provided with an ecological flow drain tank at Hydraulic and Hydro-Power Engineering non-overflow section of dam, this ecological flow drain tank import floor elevation is less than dead water level, and drain tank bottom surface has downwards certain gradient, the top of ecological flow drain tank section to be connected with non-overflow dam crest.The following cross-sectional area of ecological flow drain tank level of dead water, meets ecological flow conveyance capacity and calculates gained during according to level of dead water, ecological flow drain tank section configuration does not limits.The prone gradient at the bottom of drain tank uses about 1/20, as the gradient is relatively big, can arrange stiling basin in exit position.The present invention is by being provided with an ecological flow drain tank 1 at Hydraulic and Hydro-Power Engineering non-overflow section of dam 2; when after 3 times locks of outlet structure escape works and engineering operation; current from reservoir area along ecological flow drain tank bleed downstream; to meet the ecological flow demand in downstream; the method of the present invention and structure can not be by manual controls, it is simple to Environmental protection management department supervises.
Claims (6)
1. one kind by the method letting out ecological flow under manual control, it is characterized in that: the method is to be provided with an ecological flow drain tank at the Hydraulic and Hydro-Power Engineering non-overflow section of dam of reservoir, this ecological flow drain tank import floor elevation is less than dead water level, drain tank bottom surface has downwards certain gradient, the top of ecological flow drain tank section to be connected with non-overflow dam crest.
The most not by the method letting out ecological flow under manual control, it is characterised in that: the described ecological flow following cross-sectional area of drain tank level of dead water, meet the calculating of ecological flow conveyance capacity during according to level of dead water and determine.
The most not by the method letting out ecological flow under manual control, it is characterised in that: the downward gradient of described ecological flow drain tank is about 1/20；If the gradient is bigger, stiling basin need to be set in exit position.
4. according to method described in claims 1 to 3 any claim formed not by letting out the structure of ecological flow under manual control, including existing outlet structure escape works (3)；It is characterized in that: the non-overflow section of dam (2) in existing outlet structure escape works (3) side is provided with ecological flow drain tank (1).
The most not by the structure letting out ecological flow under manual control, it is characterised in that: described ecological flow drain tank (1) bottom surface is the inclined plane that height downstream, upstream is low, and gradient is about 1/20.
The most not by the structure letting out ecological flow under manual control, it is characterised in that: the upstream edge of described ecological flow drain tank (1) bottom surface is less than dead water level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510156694.2A CN106149647B (en) | 2015-04-03 | 2015-04-03 | Method and structure for releasing ecological flow without artificial control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510156694.2A CN106149647B (en) | 2015-04-03 | 2015-04-03 | Method and structure for releasing ecological flow without artificial control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106149647A true CN106149647A (en) | 2016-11-23 |
| CN106149647B CN106149647B (en) | 2018-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510156694.2A Active CN106149647B (en) | 2015-04-03 | 2015-04-03 | Method and structure for releasing ecological flow without artificial control |
Country Status (1)
| Country | Link |
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| CN (1) | CN106149647B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740379A (en) * | 2017-09-12 | 2018-02-27 | 南昌大学 | A kind of ecological hydro-junction facility for adapting to rivers and lakes connection |
| CN117314213A (en) * | 2023-08-16 | 2023-12-29 | 云南华电金沙江中游水电开发有限公司 | Ecological flow optimization evaluation discrimination method based on critical water depth |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062942A (en) * | 1990-12-28 | 1992-07-22 | Gtm仓储有限公司 | On the dam that has two flood discharge structures at least, the release flood spillway of superflood |
| JP2005325564A (en) * | 2004-05-13 | 2005-11-24 | Nippon Steel Metal Prod Co Ltd | Buffer structure of concrete dam and its construction method |
| CN102286961A (en) * | 2011-07-11 | 2011-12-21 | 合肥工业大学 | Overflow dam for waste tires |
| CN202369969U (en) * | 2011-11-16 | 2012-08-08 | 中南大学 | Variable cross-section gravity type debris flow debris dam |
| CN103195024A (en) * | 2013-04-10 | 2013-07-10 | 中国科学院、水利部成都山地灾害与环境研究所 | Debris flow diversion dam capable of automatically distributing drainage quantity and silt stopping quantity and design method of debris flow diversion dam |
| CN204000789U (en) * | 2014-08-08 | 2014-12-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Structure for providing downstream ecological flow after down-gate of drainage and release structure |
-
2015
- 2015-04-03 CN CN201510156694.2A patent/CN106149647B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062942A (en) * | 1990-12-28 | 1992-07-22 | Gtm仓储有限公司 | On the dam that has two flood discharge structures at least, the release flood spillway of superflood |
| JP2005325564A (en) * | 2004-05-13 | 2005-11-24 | Nippon Steel Metal Prod Co Ltd | Buffer structure of concrete dam and its construction method |
| CN102286961A (en) * | 2011-07-11 | 2011-12-21 | 合肥工业大学 | Overflow dam for waste tires |
| CN202369969U (en) * | 2011-11-16 | 2012-08-08 | 中南大学 | Variable cross-section gravity type debris flow debris dam |
| CN103195024A (en) * | 2013-04-10 | 2013-07-10 | 中国科学院、水利部成都山地灾害与环境研究所 | Debris flow diversion dam capable of automatically distributing drainage quantity and silt stopping quantity and design method of debris flow diversion dam |
| CN204000789U (en) * | 2014-08-08 | 2014-12-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Structure for providing downstream ecological flow after down-gate of drainage and release structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740379A (en) * | 2017-09-12 | 2018-02-27 | 南昌大学 | A kind of ecological hydro-junction facility for adapting to rivers and lakes connection |
| CN117314213A (en) * | 2023-08-16 | 2023-12-29 | 云南华电金沙江中游水电开发有限公司 | Ecological flow optimization evaluation discrimination method based on critical water depth |
| CN117314213B (en) * | 2023-08-16 | 2024-04-30 | 云南华电金沙江中游水电开发有限公司 | Ecological flow optimization evaluation discrimination method based on critical water depth |
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| Publication number | Publication date |
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| CN106149647B (en) | 2018-11-09 |
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