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JPH0733654B2 - Riverbed buried water intake device - Google Patents
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JPH0733654B2 - Riverbed buried water intake device - Google Patents

Riverbed buried water intake device

Info

Publication number
JPH0733654B2
JPH0733654B2 JP1189320A JP18932089A JPH0733654B2 JP H0733654 B2 JPH0733654 B2 JP H0733654B2 JP 1189320 A JP1189320 A JP 1189320A JP 18932089 A JP18932089 A JP 18932089A JP H0733654 B2 JPH0733654 B2 JP H0733654B2
Authority
JP
Japan
Prior art keywords
water
river
water intake
riverbed
intake
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.)
Expired - Fee Related
Application number
JP1189320A
Other languages
Japanese (ja)
Other versions
JPH0355309A (en
Inventor
喜蔵 佐藤
哲郎 佐々木
稔郎 笹川
修 菅野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tohoku Electric Power Co Inc
Original Assignee
Tohoku Electric Power Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tohoku Electric Power Co Inc filed Critical Tohoku Electric Power Co Inc
Priority to JP1189320A priority Critical patent/JPH0733654B2/en
Publication of JPH0355309A publication Critical patent/JPH0355309A/en
Publication of JPH0733654B2 publication Critical patent/JPH0733654B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Description

【発明の詳細な説明】 (産業上の利用分野) この発明は、河川から水を取って水力発電所等に供給す
るための取水システムに係り、特に取水設備を河床に埋
設するようにした河床埋設型取水装置に関する。
Description: TECHNICAL FIELD The present invention relates to a water intake system for taking water from a river and supplying it to a hydroelectric power plant, etc., and particularly to a river bed in which water intake equipment is buried in the river bed. The buried water intake device.

(従来の技術) 周知のように、例えば水力発電所等を建設するにあたっ
て、特に環境や景観に対する配慮を必要とする場合に
は、河川から取った水を発電所に導くための水路や水槽
及び発電所自体等の施設を、トンネル等を掘って地下に
設置することが行なわれている。しかしながら、河川か
ら水を取るための取水設備については、現在のところ、
特に確立した設置手段が存在しておらず、例えば環境や
景観に関する法規制の厳しい地点に存在する良好な未開
発水力地点の開発が大幅に妨げられているのが現状であ
る。
(Prior Art) As is well known, for example, when constructing a hydroelectric power plant or the like, especially when consideration for the environment and landscape is required, a waterway or a tank for guiding water taken from a river to the power plant, It has been practiced to dig tunnels and install facilities such as the power plant itself underground. However, as for the water intake facility for taking water from the river,
In particular, there is no established means of installation, and for example, the development of good undeveloped hydropower sites, which exist in places where the laws and regulations related to the environment and landscape are strict, is largely hindered.

(発明が解決しようとする課題) そこで、この発明は上記事情を考慮してなされたもの
で、河川から水を取るための取水設備を全て地下に設置
して、景観に影響を与えない取水設備の建設を可能と
し、環境や景観に対する配慮を必要とする未開発水力地
点の開発を大幅に促進させ得る極めて良好な河床埋設型
取水装置を提供することを目的とする。
(Problems to be Solved by the Invention) Therefore, the present invention has been made in consideration of the above circumstances, and all the water intake equipment for taking water from the river is installed underground so that the scenery is not affected. It is an object of the present invention to provide an extremely good riverbed water intake device that enables the construction of a riverbed and can significantly promote the development of an undeveloped hydropower site that requires consideration for the environment and landscape.

(課題を解決するための手段) この発明に係る河床埋設型取水装置は、河床を掘り下げ
て形成された取水部の上面開口部を、土砂を除去し河水
を取水部内に導入する透水フィルタにより、河床の表面
に沿って覆い、この透水フィルタを介して取水部内に取
り込まれた河水を、取水部に連通された導水路によって
導出するように構成したものである。
(Means for Solving the Problem) The riverbed-embedded water intake device according to the present invention has an upper surface opening portion of the water intake portion formed by digging down the riverbed, with a permeable filter that removes sediment and introduces river water into the water intake portion. It is configured so as to cover along the surface of the riverbed and take out the river water taken into the intake section through this water permeable filter by means of a water conduit communicating with the intake section.

また、この発明に係る河床埋設型取水装置は、開口され
た上面が河床の表面よりも低い位置にある取水部の上面
開口部を、土砂を除去し河水を取水部内に導入する透水
フィルタで覆うとともに、この取水部の下流側に河床面
と略同等の高さまで起立するダム部を形成し、透水フィ
ルタを介して取水部内にとりこまれた河水を、取水部に
連通された導水路によって導出するように構成したもの
である。
Further, in the riverbed-embedded water intake device according to the present invention, the upper surface opening of the water intake portion whose opened upper surface is lower than the surface of the riverbed is covered with a water permeable filter that removes sediment and introduces river water into the water intake portion. Along with this, a dam part standing up to the same level as the riverbed is formed on the downstream side of this intake part, and the river water taken into the intake part through a permeate filter is led out by the headrace channel communicating with the intake part. It is configured as follows.

(作用) 上記のような構成によれば、河床内に埋設された取水部
に透水フィルタを介して河水を取り込み、この取り込ま
れた河水を取水部に連通された導水路によって導出する
ようにしたので、取水部,透水フィルタ,導水路及びダ
ム部等の河川から水を取るための取水設備を全て地下に
設置することができ、景観に影響を与えない取水設備の
建設を可能とし、環境や景観に対する配慮を必要とする
未開発水力地点の開発を大幅に促進させることができ
る。
(Operation) According to the above-described configuration, the river water is taken into the water intake portion buried in the riverbed through the permeable filter, and the taken river water is led out by the water conduit communicating with the water intake portion. Therefore, it is possible to install all the intake facilities for taking water from the river such as the intake part, the permeable filter, the headrace and the dam part, and it is possible to construct the intake facility that does not affect the landscape, It can greatly promote the development of undeveloped hydropower sites that require consideration for the landscape.

(実施例) 以下、この発明の一実施例について図面を参照して詳細
に説明する。すなわち、第1図に示すように、図中矢印
A方向に水11の流れる河川の河床12をその表面から掘り
下げて取水部13が形成されている。この取水部13の図中
上面開口部は、河床12の表面に沿って、透水フィルタ14
によって覆われている。この透水フィルタ14は、第1図
中矢印Bで示すように、河水の動水勾配を利用して、土
砂15を除去して水11のみを取水部13内に導入するフィル
ム作用を行なうものである。また、上記取水部13の下流
側底部は、透水フィルタ14を介して取水部13内に取り込
まれた水11を、図中矢印Cで示すように、例えば水力発
電所等に導出するための導水路16(第2図参照)に連通
されている。
(Embodiment) Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings. That is, as shown in FIG. 1, a water intake 13 is formed by digging down a river bed 12 of a river in which water 11 flows in the direction of arrow A in the figure. The upper opening in the drawing of the water intake section 13 is formed along the surface of the riverbed 12 with a water permeable filter
Is covered by. As shown by the arrow B in FIG. 1, this water permeable filter 14 uses the dynamic gradient of river water to remove the sediment 15 and introduce only the water 11 into the water part 13 to perform a film action. is there. Further, the downstream side bottom portion of the water intake portion 13 is a guide for guiding the water 11 taken into the water intake portion 13 through the water permeable filter 14 to, for example, a hydroelectric power station as shown by an arrow C in the figure. It communicates with the waterway 16 (see FIG. 2).

ここで、第2図中a−a′断面を第3図(a)に示し、
第2図中b−b′断面を第3図(b)に示している。す
なわち、上記透水フィルタ14は、透水材料17を例えばグ
レーチング等の綱製の網状資材18でサンドイッチ状に挟
んで支持したもので、この綱製の綱状資材18により転落
石等から透水材料17を保護している。なお、第3図
(a)中19は、河床12内の岩盤である。
Here, FIG. 3 (a) shows a cross section taken along the line aa 'in FIG.
A bb 'section in FIG. 2 is shown in FIG. 3 (b). That is, the water permeable filter 14 is one in which a water permeable material 17 is sandwiched and supported by a net-shaped material 18 made of rope such as grating, and the water permeable material 17 is removed from a falling stone or the like by the rope 18 made of steel. Protects. In addition, 19 in FIG. 3 (a) is bedrock in the river bed 12.

上記実施例のような構成によれば、取水部13,透水フィ
ルタ14及び導水路16等の、河川から水11を取るための取
水設備を全て地下に設置するようにしたので、環境や景
観に何ら影響を与えることがなく、環境や景観に対する
配慮を必要とする未開発水力地点の開発を大幅に促進さ
せることができるものである。また、全体的に構成が簡
易で建設工期の短縮が可能で、経済的にも有利とするこ
てができる。
According to the configuration of the above-mentioned embodiment, since the water intake unit 13, the water permeable filter 14, the water conduit 16 and the like are all installed under the ground to take water 11 from the river, the environment and the landscape can be improved. It has no impact and can greatly promote the development of undeveloped hydropower sites that require consideration for the environment and landscape. In addition, the overall structure is simple and the construction period can be shortened, which is economically advantageous.

さらに、透水フィルタ14は、河水の動水勾配を利用し
て、土砂15を除去して水11のみを取水部13内に導入する
ので、取水のための動力源等が必要なくなるとともに、
透水フィルタ14の作用により、取水部11内や動水路16内
に砂が侵入しないため、別途に沈砂池等を設ける必要も
なく、このような点でも構成の簡易化を促進することが
できる。また、保守は、定期的に透水フィルタ14を交換
するだけの簡単な作業で済み、実用的である。
Furthermore, since the permeable filter 14 utilizes the hydraulic gradient of the river water to remove the sediment 15 and introduce only the water 11 into the water intake section 13, a power source or the like for water intake is not necessary, and
By the action of the water permeable filter 14, sand does not enter the water intake section 11 and the moving water channel 16, so it is not necessary to separately provide a sand basin or the like, and the simplification of the configuration can be promoted also in this respect. In addition, maintenance is practical because it requires only a simple operation of periodically replacing the water permeable filter 14.

次に、第4図は、この発明の第2の実施例を示すもの
で、第4図中a−a′断面を第5図(a)に示し、第4
図中b−b′断面を第5図(b)に示している。また、
第4図及び第5図において、第1図乃至第3図と同一部
分には同一符号を付して示している。すなわち、図中矢
印A方向に水11の流れる河川の河床12内に、上面の開口
された取水部13を、その上面開口部が河床12の表面より
も低くなるように埋設する。そして、取水部13の上面開
口部が透水フィルタ14で覆われるとともに、取水部13の
下流側に河床12の表面と略同等の高さまで起立するダム
部20が形成される。
Next, FIG. 4 shows a second embodiment of the present invention. A section taken along line aa 'in FIG. 4 is shown in FIG.
A cross section taken along the line bb 'is shown in FIG. 5 (b). Also,
4 and 5, the same parts as those in FIGS. 1 to 3 are designated by the same reference numerals. That is, in the river bed 12 of the river where the water 11 flows in the direction of arrow A in the figure, the water intake part 13 having an open upper surface is embedded so that the upper surface opening is lower than the surface of the river bed 12. Then, the upper surface opening of the water intake part 13 is covered with the water permeable filter 14, and the dam part 20 standing up to a height substantially equal to the surface of the riverbed 12 is formed on the downstream side of the water intake part 13.

このため、矢印A方向に流れる河水は、動水勾配とダム
部20との作用によって、透水フィルタ14を介して取水部
13内に取り込まれる。この取水部13内に取り込まれた水
11は、取水部13に水11の流れ方向と略直交する方向に連
通される導水路16を介して、矢印Cで示すように、図示
しない水力発電所に導かれる。そして、このような第2
の実施例によっても、上記第1の実施例と略同様の効果
を得ることができる。
For this reason, the river water flowing in the direction of the arrow A passes through the water permeable filter 14 by the action of the hydraulic gradient and the dam portion 20, and
Captured within 13. Water taken into this water intake unit 13
11 is guided to a hydroelectric power station (not shown) via a water conduit 16 that communicates with the water intake section 13 in a direction substantially orthogonal to the flow direction of the water 11. And such a second
According to this embodiment as well, substantially the same effect as that of the first embodiment can be obtained.

次に、第6図は、上記各実施例における取水量の調整手
段を示している。すなわち、第6図中矢印A方向に水11
の流れる河川21から、上記第1までは第2の実施例に示
したような取水設備22を介して導水路16に水11を導く
際、導水路16内にゲート23を設けて、導水路16内の取水
量を調節するようにしたものである。この場合、上記ゲ
ート23は、第7図に示すように、導水路16内に設けられ
た水位検知器24の検知結果に基づいて駆動される制御装
置25により上下に位置が調整されて、例えば導水路16内
の水位が常に一定となるように制御されるものである。
ここで、ゲート23によって導水路16内に流入することを
規制された余剰の水11は、再び第6図に示す余水路26を
介して、河川21に戻される。
Next, FIG. 6 shows a means for adjusting the amount of water intake in each of the above embodiments. That is, water 11 in the direction of arrow A in FIG.
When the water 11 is guided to the water conduit 16 from the river 21 through which the water flows through the water intake facility 22 as shown in the second embodiment, the gate 23 is provided in the water conduit 16 to provide the water conduit. The amount of water intake in 16 is adjusted. In this case, as shown in FIG. 7, the position of the gate 23 is adjusted up and down by the control device 25 driven based on the detection result of the water level detector 24 provided in the water conduit 16, The water level in the water conduit 16 is controlled so that it is always constant.
Here, the surplus water 11 restricted from flowing into the water conduit 16 by the gate 23 is returned to the river 21 again via the spillway 26 shown in FIG.

なお、この発明は上記各実施例に限定されるものではな
く、この外その要旨を逸脱しない範囲で種々変形して実
施することができる。
The present invention is not limited to the above-described embodiments, but can be variously modified and implemented without departing from the scope of the invention.

(発明の効果) 以上詳述したようにこの発明によれば、河川から水を取
るための取水設備を全て地下に配置して、景観に影響を
与えない取水設備の建設を可能とし、環境や景観に対す
る配慮を必要とする未開発水力地点の開発を大幅に促進
させ得る極めて良好な河床埋設型取水装置を提供するこ
とができる。
(Effects of the Invention) As described in detail above, according to the present invention, it is possible to construct all intake facilities for taking water from rivers underground to construct intake facilities that do not affect the landscape, It is possible to provide a very good riverbed-type water intake device that can greatly promote the development of undeveloped hydropower sites that require consideration for the landscape.

【図面の簡単な説明】[Brief description of drawings]

第1図はこの発明に係る河床埋設型取水装置の一実施例
を示す側断面図、第2図及び第3図はそれぞれ同実施例
の要部の詳細を示す図、第4図及び第5図はそれぞれこ
の発明の第2の実施例を示す図、第6図及び第7図はそ
れぞれ同各実施例における取水量の調整手段を示す図で
ある。 11……水、12…河床、13……取水部、14……透水フィル
タ、15……土砂、16……導水路、17……透水材料、18…
…網状資材、19……岩磐、20……ダム部、21……河川、
22……取水設備、23……ゲート、24…水位検知器、25…
…制御装置、26……余水路。
FIG. 1 is a side sectional view showing an embodiment of a riverbed-type water intake device according to the present invention, and FIGS. 2 and 3 are diagrams showing details of essential parts of the embodiment, FIGS. 4 and 5, respectively. FIGS. 6 and 7 are views showing a second embodiment of the present invention, and FIGS. 6 and 7 are views showing a water intake adjusting means in the respective embodiments. 11 …… Water, 12… Riverbed, 13 …… Intake part, 14 …… Permeable filter, 15 …… Sediment, 16 …… Headrace, 17 …… Permeable material, 18…
… Net material, 19 …… Iwaban, 20 …… Dam section, 21 …… River,
22 …… Water intake facility, 23 …… Gate, 24… Water level detector, 25…
… Control device, 26 …… Spillway.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 菅野 修 宮城県仙台市青葉区一番町3丁目7番1号 東北電力株式会社内 (56)参考文献 特開 昭57−51312(JP,A) 特公 昭53−854(JP,B2) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Osamu Kanno 3-7-1, Ichibancho, Aoba-ku, Sendai City, Miyagi Prefecture Tohoku Electric Power Co., Inc. (56) Reference JP-A-57-51312 (JP, A) Japanese Patent Publication Sho 53-854 (JP, B2)

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】河床を掘り下げて形成された取水部と、こ
の取水部の上面開口部を前記河床の表面に沿って覆うも
ので、土砂を除去し河水を前記取水部内に導入する透水
フィルタと、前記取水部に連通され前記透水フィルタを
介して前記取水部内に取り込まれた河水を導出する導水
路とを具備してなることを特徴とする河床埋設型取水装
置。
1. A water intake part formed by digging down a river bed, and a water permeable filter for covering the upper opening of the water intake part along the surface of the river bed to remove sediment and introduce river water into the water intake part. A riverbed-embedded water intake device, comprising: a water conduit that communicates with the water intake portion and leads out river water taken into the water intake portion through the water permeable filter.
【請求項2】開口された上面が河床の表面よりも低い位
置にある取水部と、この取水部の上面開口部を覆うもの
で、土砂を除去し河水を前記取水部内に導入する透水フ
ィルタと、前記取水部に連通され前記透水フィルタを介
して前記取水部内に取り込まれた河水を導出する導水路
と、前記取水部の下流側に設けられ前記河床面と略同等
の高さまで起立するダム部とを具備してなることを特徴
とする河床埋設型取水装置。
2. An intake part having an open upper surface lower than the surface of the river bed, and a water permeable filter for covering the upper surface opening of the intake part to remove sediment and introduce river water into the intake part. , A water conduit that communicates with the water intake portion and leads out river water taken into the water intake portion through the water permeable filter, and a dam portion that is provided downstream of the water intake portion and rises to a height substantially equal to the riverbed surface. A riverbed buried type water intake device comprising:
【請求項3】上記透水フィルタは、透水材料の両面を網
状資材で挟んだものであることを特徴とする請求項1ま
たは2記載の河床埋設型取水装置。
3. The riverbed-embedded water intake device according to claim 1, wherein the water-permeable filter comprises a water-permeable material sandwiched between mesh materials.
【請求項4】上記導水路内の水位を測定する水位測定手
段と、この水位測定手段の測定結果に基づいて、前記導
水路内に流入される河水量を規制するゲート手段と、こ
のゲート手段によって前記導水路内に流入することを規
制された余剰の河水を河川に戻す余水路とを具備してな
ることを特徴とする請求項1乃至3いずれかに記載の河
床埋設型取水装置。
4. A water level measuring means for measuring the water level in the water conduit, a gate means for regulating the amount of river water flowing into the water conduit based on the measurement result of the water level measuring means, and the gate means. The riverbed-embedded water intake device according to any one of claims 1 to 3, further comprising: a spillway for returning excess river water, which is restricted from flowing into the headrace channel to the river, by the spillway.
JP1189320A 1989-07-21 1989-07-21 Riverbed buried water intake device Expired - Fee Related JPH0733654B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1189320A JPH0733654B2 (en) 1989-07-21 1989-07-21 Riverbed buried water intake device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1189320A JPH0733654B2 (en) 1989-07-21 1989-07-21 Riverbed buried water intake device

Publications (2)

Publication Number Publication Date
JPH0355309A JPH0355309A (en) 1991-03-11
JPH0733654B2 true JPH0733654B2 (en) 1995-04-12

Family

ID=16239388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1189320A Expired - Fee Related JPH0733654B2 (en) 1989-07-21 1989-07-21 Riverbed buried water intake device

Country Status (1)

Country Link
JP (1) JPH0733654B2 (en)

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* Cited by examiner, † Cited by third party
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KR101494221B1 (en) * 2014-05-08 2015-02-17 한국건설기술연구원 Continuous Stream Water Intake System and Structure without Power

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