JP2000273853A - Power generating method by utilizing maintenance discharge from existing power generating dam - Google Patents
Power generating method by utilizing maintenance discharge from existing power generating damInfo
- Publication number
- JP2000273853A JP2000273853A JP11079259A JP7925999A JP2000273853A JP 2000273853 A JP2000273853 A JP 2000273853A JP 11079259 A JP11079259 A JP 11079259A JP 7925999 A JP7925999 A JP 7925999A JP 2000273853 A JP2000273853 A JP 2000273853A
- Authority
- JP
- Japan
- Prior art keywords
- dam
- power generation
- maintenance
- weir
- power generating
- 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
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
-
- 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
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、既設発電用ダムか
らの維持放流を活用した発電方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power generation method utilizing maintenance discharge from an existing power generation dam.
【０００２】[0002]
【従来の技術】河川を堰堤によりせき止め、堰堤の上流
側のダム湖の水をサイホンの原理により堰堤を越えさせ
て下流に設置したタービンとの高低差を利用して水エネ
ルギーにより発電させることは公知の技術として公開さ
れているが、メンテナンスが複雑で建物等が必要となる
ため、コストが嵩む発電方法となる。2. Description of the Related Art It is not possible to generate water by water energy using a height difference between a dam and a turbine installed downstream by damming a river by a dam and passing water from a dam lake on the upstream side of the dam by a siphon principle. Although it is disclosed as a known technology, the maintenance is complicated and requires a building or the like, so that the power generation method is expensive.
【０００３】その一例として、特開昭６３−２１９８８
１号「サイフオン式小水力発電装置」がある。これは堰
堤を跨ぐ流水路の途中に数個の電磁バルブを介在させ、
流水路の下流端にタービンを設置し、別個に配置された
発電機に接続したものである。As one example, Japanese Patent Application Laid-Open No. 63-21988
There is No. 1 "Saiphon type small hydro power generator". This has several electromagnetic valves interposed in the middle of the flowing water channel that straddles the dam,
A turbine is installed at the downstream end of the water channel and connected to a separately arranged generator.
【０００４】[0004]
【発明が解決しようとする課題】ところで、昨今におい
て環境問題の重要さが認識され、発電用ダムを設置した
河川においても、環境保全のため常時流水があることが
求められるに至った。既設発電用ダムが河川の流水を維
持するための維持放流が必要となってきた。なお、維持
放流は季節によって流量の変更が一般的なものである。However, recently, the importance of environmental problems has been recognized, and it has been demanded that rivers provided with power generation dams always have running water for environmental protection. It is necessary to maintain and discharge the existing power generation dam to maintain the river water. In addition, the maintenance discharge is generally a change in the flow depending on the season.
【０００５】前記の特開昭６３−２１９８８１号では、
図２に示すように、堰堤１０１を跨ぐ流水路１０２の途
中に数個の電磁バルブ１０３1 ，１０３2 ，１０３3 を
介在させているので、装置が複雑で、高価で、運転が煩
雑となり、また、発電機１０５および流水路１０２の下
流端のタービン１０４を収容する発電所の建屋が必要と
なり、建物の用地や制御関係附属設備が必要となる。そ
れで、既設発電用ダムからの維持放流は、従来から経済
的に見合う取水・発電方法がないことから、ほとんど発
電に活用されてないのが現状である。In the above-mentioned Japanese Patent Application Laid-Open No. 63-219881,
As shown in FIG. 2, several electromagnetic valves 103 1 , 103 2 , and 103 3 are interposed in the middle of the flowing water channel 102 across the dam 101, so that the device is complicated, expensive, and complicated. In addition, a building of a power plant that accommodates the generator 105 and the turbine 104 at the downstream end of the water channel 102 is required, and the site of the building and control-related auxiliary equipment are required. Therefore, the maintenance and discharge from existing power generation dams is hardly utilized for power generation because there is no economically appropriate water intake and power generation method.
【０００６】しかも、既設発電用ダムからの維持放流時
の水エネルギーを有効活用した安価で、運転とメンテナ
ンスが容易にできる発電方法が求められている。[0006] In addition, there is a need for a power generation method that is inexpensive and that can be easily operated and maintained by effectively utilizing water energy at the time of maintenance discharge from an existing power generation dam.
【０００７】[0007]
【課題を解決するための手段】そこで、本発明は、上記
の事情に鑑み、既設発電用ダムからの維持放流による発
電を安価で、運転とメンテナンスが容易にできるように
すべく、河川を堰堤でせき止めた既設発電用ダムからの
維持放流を活用した発電方法であって、堰堤の上流側の
ダム湖から堰堤頂部を経て堰堤より下流の水中に至る流
水路を形成し、前記流水路の堰堤頂部に真空ポンプを設
け、下流側に入口弁を配置し、水中の流水路内に水中タ
ービン発電機を収容させてなる既設発電用ダムからの維
持放流を活用した発電方法とした。SUMMARY OF THE INVENTION In view of the above circumstances, the present invention has been made to reduce the cost of power generation by maintenance and discharge from an existing power generation dam, and to facilitate the operation and maintenance of the river. A method of power generation utilizing the sustained discharge from an existing power dam dammed by the dam, comprising forming a flow channel from the dam lake on the upstream side of the dam to the water downstream from the dam via the top of the dam, and A vacuum pump was installed at the top, an inlet valve was arranged downstream, and a power generation method was used that utilizes the maintenance discharge from an existing power generation dam that houses a submersible turbine generator in a submerged water channel.
【０００８】また、本発明は、具体的には水中タービン
発電機を附属するワイヤーによって外部へ吊り出し、タ
ービンの流量調整部を操作することにより維持放流の流
量を調整可能とした。Further, in the present invention, specifically, the submerged turbine generator is suspended outside by a wire attached thereto, and the flow rate of the maintenance discharge can be adjusted by operating the flow rate adjusting section of the turbine.
【０００９】[0009]
【発明の実施の態様】本発明を、添付する図面の図１の
具体的な一実施例に基づいて、以下詳細に説明する。河
川をせき止めた堰堤１の上流にダム湖２があり、ダム湖
２から堰堤１の頂部を経て堰堤１より下流の水中に至る
流水路３を形成する。流水路３の取水口にはゴミなどの
流入を防ぐため、フィルター６を設ける。流水路３の下
流は垂直流水路３1 に形成しておく。既設発電用ダムか
ら維持放流を得るには、その堰堤に導入孔を穿設すれば
容易に可能であるが、一定以上の強度を有する構造物と
して構築されているので、孔の穿設は好ましくない。そ
れで、上述のように堰堤１を跨ぐ流水路３を形成する。
この流水路３の形成は容易で、しかも安価にできる。BRIEF DESCRIPTION OF THE DRAWINGS The invention will be explained in more detail below on the basis of a specific embodiment according to FIG. 1 of the accompanying drawings. A dam lake 2 is located upstream of the dam 1 that blocks the river, and forms a flowing water channel 3 that extends from the dam lake 2 through the top of the dam 1 to the water downstream from the dam 1. A filter 6 is provided at the intake of the flowing water channel 3 to prevent inflow of dust and the like. Downstream of flowing water channel 3 is previously formed in the vertical water passage 3 1. In order to obtain the maintenance discharge from the existing power generation dam, it is possible to easily perform the drilling of the introduction hole in the dam, but since the structure is constructed as a structure having a certain strength or more, the drilling of the hole is preferable. Absent. Therefore, the flowing water channel 3 that straddles the bank 1 is formed as described above.
The formation of the flowing water channel 3 is easy and can be performed at low cost.
【００１０】前記流水路３の堰堤１の頂部に真空ポンプ
４を設け、下流側末端に入口弁９を配置し、入口弁９よ
り下流で水中の垂直流水路３1 内に水中タービン発電機
５を収容する。また、垂直流水路３1 の最上部に空気抜
き弁７を設ける。水中タービン発電機５に固着したワイ
ヤー８により、この垂直流水路３1 内に吊り下げて収容
される水中タービン発電機５は、容易に上下に移動が可
能である。[0010] The vacuum pump 4 provided at the top of the dam 1 of the water passage 3, the inlet valve 9 disposed on the downstream end, the downstream vertical water passage 3 1 of water from the inlet valve 9 water turbine generator 5 To accommodate. Also, provision of the air vent valve 7 at the top of the vertical water passage 3 1. The wire 8 fixed to the water turbine generator 5, water turbine generator 5 housed in suspended the vertical water passage 3 1 is capable of easily moving up and down.
【００１１】ダム湖２から堰堤１部分の流水路３は、堰
堤１の形状に沿い、水中タービン発電機５を収容する流
水路３1 は垂直状に形成されているが、堰堤１に沿う流
水路３と垂直流水路３1 との間は、地形に沿わせて簡単
かつ安価に形成できる。また、流水路３の最頂部に真空
ポンプ４を設け、下流末端に入口弁９を配置することに
より、従来技術のように多くの電磁弁１０３1 、１０３
2 、１０３3 を設ける必要がなく、コストダウンにな
る。[0011] flowing water channel 3 of dam 1 portion from the dam 2, along the shape of the dam 1, flowing water channel 3 1 containing water turbine generator 5 are formed in a vertical shape, flowing water along the dam 1 between road 3 and the vertical water passage 3 1 is easily and inexpensively formed along a terrain. Further, by providing the vacuum pump 4 at the top of the water channel 3 and arranging the inlet valve 9 at the downstream end, many solenoid valves 103 1 and 103 as in the prior art are provided.
2, 103 3 is not necessary to provide a, becomes cost.
【００１２】ダム湖２からの取水は、サイフオン方式と
し、流水路３への充水は入口弁９を閉じた状態で真空ポ
ンプ４を作動させて行う。水中タービン発電機５の運転
は、真空ポンプ４の運転による流水路３の充水完了後入
口弁９を開いて垂直流水路３1 を充水することにより自
動的に起動させ、流水路３中に空気を入れることにより
水中タービン発電機５を停止させる。Water is taken from the dam lake 2 in a siphon system, and water is supplied to the water channel 3 by operating the vacuum pump 4 with the inlet valve 9 closed. Operating underwater turbine generator 5 is automatically invoking by filled with water the vertical water passage 3 1 Open filled with water after completion of the inlet valve 9 of the water flow path 3 due to the operation of the vacuum pump 4, in flowing water channel 3 The underwater turbine generator 5 is stopped by injecting air into the turbine.
【００１３】冬期や夏期の放流流量の切替えは、垂直流
水路３1 に吊り下げた水中タービン発電機５をワイヤー
８により外部に吊り出し、流量調整部を操作することに
より行う。[0013] The discharge flow rate of the winter and summer switching, a water turbine generator 5 suspended vertically water passage 3 1 out hanging to the outside by the wire 8, conducted by operating the flow rate adjusting unit.
【００１４】[0014]
【発明の効果】本発明は、上述のように、河川を堰堤で
せき止めた既設発電用ダムからの維持放流を活用した発
電方法であって、堰堤の上流側のダム湖から堰堤頂部を
経て堰堤より下流の水中に至る流水路を形成し、前記流
水路の堰堤頂部に真空ポンプを設け、下流側に入口弁を
配置し、水中の流水路内に水中タービン発電機を収容さ
せてなる既設発電用ダムからの維持放流を活用した発電
方法である。As described above, the present invention relates to a power generation method utilizing the maintenance discharge from an existing power generation dam in which a river is dammed by a dam, the dam being provided from a dam lake upstream of the dam via a dam top. An existing power generation system that forms a flowing water channel leading to water downstream, a vacuum pump is provided at the top of the bank of the flowing water channel, an inlet valve is arranged on the downstream side, and a submersible turbine generator is housed in the underwater flowing water channel. This is a power generation method that utilizes the sustained release from the use dam.
【００１５】また、本発明は、水中タービン発電機を水
中の流水路内に収容した水中タービン発電機をワイヤー
により外部へ吊り出し、流量調整部を操作して維持放流
の流量を調整可能とした既設発電用ダムからの維持放流
を活用した発電方法である。したがって、既設発電用ダ
ムからの維持放流の水エネルギーを有効活用でき、しか
も安価に発電でき、運転とメンテナンスが容易にできる
ようになる。Further, the present invention provides an existing underwater turbine generator in which a submersible turbine generator housed in a submerged flowing water channel is suspended outside by a wire, and a flow control unit is operated to adjust a flow rate of the maintenance discharge. This is a power generation method that utilizes the maintenance discharge from the power generation dam. Therefore, water energy maintained and released from the existing power generation dam can be effectively utilized, power can be generated at low cost, and operation and maintenance can be facilitated.
【図１】本発明の既設発電用ダムからの維持放流を活用
した発電方法の概要を示す模式図である。FIG. 1 is a schematic diagram showing an outline of a power generation method utilizing maintenance discharge from an existing power generation dam of the present invention.
【図２】従来のサイフオン式小水力発電装置の概要を示
す模式図である。FIG. 2 is a schematic diagram showing an outline of a conventional siphon-on small hydroelectric power generator.
１…堰堤 ２…ダム湖 ３…流水路 ４…真空ポンプ ５…水中タービン発電機 ６…フィルター ７…空気抜き弁 ８…ワイヤー ９…入口弁 DESCRIPTION OF SYMBOLS 1 ... Dam 2 ... Dam lake 3 ... Running water channel 4 ... Vacuum pump 5 ... Underwater turbine generator 6 ... Filter 7 ... Air release valve 8 ... Wire 9 ... Inlet valve
Claims (2)
からの維持放流を活用した発電方法であって、堰堤の上
流側のダム湖から堰堤頂部を経て堰堤より下流の水中に
至る流水路を形成し、前記流水路の堰堤頂部に真空ポン
プを設け、下流側に入口弁を配置し、水中の流水路内に
水中タービン発電機を収容させてなる既設発電用ダムか
らの維持放流を活用した発電方法。Claims 1. A method of generating electricity utilizing a sustained discharge from an existing power generation dam in which a river is dammed by a dam, wherein a flowing water channel from a dam lake on the upstream side of the dam to the water downstream from the dam via a dam top is provided. Formed, provided a vacuum pump at the top of the dam of the flow channel, arranged an inlet valve on the downstream side, and utilized the maintenance discharge from the existing power generation dam that houses the underwater turbine generator in the underwater flow channel. Power generation method.
電機をワイヤーにより外部へ吊り出し、流量調整部を操
作することにより維持放流の流量を調整可能とした請求
項１記載の既設発電用ダムからの維持放流を活用した発
電方法。2. The existing power generation dam according to claim 1, wherein the underwater turbine generator housed in the flowing water channel is suspended outside by a wire, and the flow rate of the maintenance discharge can be adjusted by operating the flow rate adjusting unit. A power generation method that utilizes the maintenance release from the country.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11079259A JP2000273853A (en) | 1999-03-24 | 1999-03-24 | Power generating method by utilizing maintenance discharge from existing power generating dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11079259A JP2000273853A (en) | 1999-03-24 | 1999-03-24 | Power generating method by utilizing maintenance discharge from existing power generating dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000273853A true JP2000273853A (en) | 2000-10-03 |
Family
ID=13684870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11079259A Pending JP2000273853A (en) | 1999-03-24 | 1999-03-24 | Power generating method by utilizing maintenance discharge from existing power generating dam |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000273853A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003016710A1 (en) * | 2001-07-16 | 2003-02-27 | Jk Turbine Aps | Hydroelectric plant |
| CN100353051C (en) * | 2006-04-25 | 2007-12-05 | 河北农业大学 | Generating peakload tech appts. of wind power pumping and accumulating |
| US7498100B2 (en) | 2003-08-08 | 2009-03-03 | 3M Innovative Properties Company | Multi-phase, silicon-containing electrode for a lithium-ion battery |
| WO2010080734A2 (en) * | 2009-01-06 | 2010-07-15 | Shpetim Lezi | Atmospheric pressure hydropower plant |
| CN113756267A (en) * | 2021-09-07 | 2021-12-07 | 重庆祥琴能源科技有限公司 | Energy ecological system |
| JP7421030B1 (en) | 2023-01-27 | 2024-01-24 | 株式会社ノワール | Hydroelectric power generation system and hydroelectric power generation method |
-
1999
- 1999-03-24 JP JP11079259A patent/JP2000273853A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003016710A1 (en) * | 2001-07-16 | 2003-02-27 | Jk Turbine Aps | Hydroelectric plant |
| US7498100B2 (en) | 2003-08-08 | 2009-03-03 | 3M Innovative Properties Company | Multi-phase, silicon-containing electrode for a lithium-ion battery |
| CN100353051C (en) * | 2006-04-25 | 2007-12-05 | 河北农业大学 | Generating peakload tech appts. of wind power pumping and accumulating |
| WO2010080734A2 (en) * | 2009-01-06 | 2010-07-15 | Shpetim Lezi | Atmospheric pressure hydropower plant |
| WO2010080734A3 (en) * | 2009-01-06 | 2010-10-21 | Shpetim Lezi | Atmospheric pressure hydropower plant |
| CN102317616A (en) * | 2009-01-06 | 2012-01-11 | 施佩蒂姆·勒兹 | Atmospheric pressure hydropower plant |
| CN113756267A (en) * | 2021-09-07 | 2021-12-07 | 重庆祥琴能源科技有限公司 | Energy ecological system |
| CN113756267B (en) * | 2021-09-07 | 2022-11-18 | 重庆祥琴能源科技有限公司 | Energy ecological system |
| JP7421030B1 (en) | 2023-01-27 | 2024-01-24 | 株式会社ノワール | Hydroelectric power generation system and hydroelectric power generation method |
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| A912 | Removal of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20070921 |