JP4589613B2 - Dam inflow polluted water control equipment and dam inflow polluted water control method - Google Patents

Dam inflow polluted water control equipment and dam inflow polluted water control method Download PDF

Info

Publication number
JP4589613B2
JP4589613B2 JP2003353253A JP2003353253A JP4589613B2 JP 4589613 B2 JP4589613 B2 JP 4589613B2 JP 2003353253 A JP2003353253 A JP 2003353253A JP 2003353253 A JP2003353253 A JP 2003353253A JP 4589613 B2 JP4589613 B2 JP 4589613B2
Authority
JP
Japan
Prior art keywords
fence
dam
float
water
floating
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
JP2003353253A
Other languages
Japanese (ja)
Other versions
JP2005120582A (en
Inventor
興治 菅野
Original Assignee
興治 菅野
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 興治 菅野 filed Critical 興治 菅野
Priority to JP2003353253A priority Critical patent/JP4589613B2/en
Publication of JP2005120582A publication Critical patent/JP2005120582A/en
Application granted granted Critical
Publication of JP4589613B2 publication Critical patent/JP4589613B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)

Description

本発明は、ダム流入汚濁水制御設備、およびダム流入汚濁水制御方法に関するものであ
る。 The present invention relates to a dam inflow polluted water control facility and a dam inflow polluted water control method.

水道水取水ダム等においては、洪水時にダム湖に流入した汚濁水がそこに留まることを
解消するために、ダムの上流と下流とを結ぶバイパストンネルを形成し、該トンネルを介
して汚濁水を、取水口よりも下流に逃がすようにしたダム流入汚濁水制御設備がある（例
えば、特許文献１，２参照）。 In tap water intake dams, etc., in order to prevent the polluted water that flowed into the dam lake from staying there, a bypass tunnel connecting the upstream and downstream of the dam is formed, and the polluted water is discharged through the tunnel. There is a dam inflow polluted water control facility that allows it to escape downstream from the water intake (see, for example, Patent Documents 1 and 2).

特開平５−１７９６３１号公報（図１、図２）Japanese Patent Laid-Open No. 5-179631 (FIGS. 1 and 2) 特開平９−１４３９６１号公報（図１、図３）JP-A-9-143916 (FIGS. 1 and 3)

しかしながら、上記特許文献１，２に開示されているダム流入汚濁水制御設備では、例
えば、集中豪雨等の一時的な降雨によってダム湖の水が汚濁された場合に、その都度バイ
パストンネルを開放して汚濁水をダム下流に放流することは、ランニングコストの多大な
上昇を招いてしまう。 However, in the dam inflow polluted water control facility disclosed in Patent Documents 1 and 2, for example, when the water in the dam lake is polluted by temporary rainfall such as torrential rain, the bypass tunnel is opened each time. If the polluted water is discharged downstream of the dam, the running cost will be greatly increased.

そこで本発明は、上記した背景技術が有する実情に鑑みて、特に、ダム湖に汚濁水が一
時的に流入した場合に、その汚濁水がダム付近に流入しないように制御することが簡単に
できる、ダム流入汚濁水制御設備およびダム流入汚濁水制御方法を提供することを目的と
する。 Therefore, in view of the actual situation of the background art described above, the present invention can be easily controlled so that the contaminated water does not flow into the vicinity of the dam, particularly when the contaminated water temporarily flows into the dam lake. It aims at providing the dam inflow polluted water control equipment and the dam inflow polluted water control method.

上記した課題を解決するため、請求項１のダム流入汚濁水制御設備では、浮沈式フェン
スをダム湖の両岸に差し渡すようにして張設するとともに、該フェンスの上流側水面に汚
濁センサを設置し、該汚濁センサの信号に基づいて前記フェンスを浮沈させるようにした
ことを特徴としている。 In order to solve the above-described problems, in the dam inflow polluted water control facility according to claim 1, the floating fence is stretched so as to be passed to both sides of the dam lake, and a pollutant sensor is provided on the upstream water surface of the fence. It is characterized in that it is installed and the fence is caused to float and sink based on the signal of the pollution sensor.

また、請求項２のダム流入汚濁水制御設備では、上記請求項１の発明において、上記浮
沈式フェンスが、空気によって浮力が付与される浮沈式フロートと、該フロートから垂下
されたカーテンを備えていることを特徴としている。 Further, in the dam inflow polluted water control facility according to claim 2, in the invention of claim 1, the floating fence includes a floating float to which buoyancy is imparted by air, and a curtain suspended from the float. It is characterized by being.

更に、請求項３のダム流入汚濁水制御設備では、上記請求項２の発明において、上記浮
沈式フロートの適宜位置に、常時浮上している補助フロートを配設したことを特徴として
いる。 Furthermore, the dam inflow polluted water control facility according to claim 3 is characterized in that, in the invention of claim 2 above, an auxiliary float that is constantly floating is disposed at an appropriate position of the float-float type float.

また、請求項４のダム流入汚濁水制御設備では、上記請求項２の発明において、上記浮
沈式フェンスを、常時浮上しているフロートと該フロートから垂下されたネットによって
構成されるネットフェンスを並設させるとともに、前記ネットの下縁を、前記浮沈式フェ
ンスのカーテンの上部に取付けたことを特徴としている。 Further, in the dam inflow polluted water control facility according to claim 4, in the invention according to claim 2, the float-fence type fence is arranged in parallel with a float that always floats and a net fence composed of a net suspended from the float. And the lower edge of the net is attached to the upper part of the curtain of the floating fence.

また、請求項５のダム流入汚濁水制御方法では、浮沈式フェンスをダム湖の両岸に差し
渡すようにして張設し、前記フェンスの上流側水面が汚濁された際に、前記フェンスを水
面上に浮上させて、フェンスの上流側水面の汚濁水がダム前面水域に流れ込むのを防止し
、前記フェンスの上流側水面が清浄になったとき、前記フェンスを水中に沈降させて、フ
ェンスの上流側水面の水をダム前面水域に流入させることを特徴としている。 Further, in the dam inflow polluted water control method according to claim 5, when the ups and downs fence is stretched across both banks of the dam lake, when the upstream water surface of the fence is polluted, the fence is Floating up to prevent the contaminated water on the upstream water surface of the fence from flowing into the water area in front of the dam, and when the upstream water surface of the fence becomes clean, the fence is submerged in the water, It is characterized by flowing water from the side water surface into the water area in front of the dam.

上記した請求項１のダム流入汚濁水制御設備によれば、安価な設備で、ダム湖の水が汚
濁した場合に、その汚濁水がダムの前面水域に流入するのを防止することができる。 According to the dam inflow polluted water control facility of claim 1 described above, when the water in the dam lake is polluted with an inexpensive facility, the polluted water can be prevented from flowing into the front water area of the dam.

上記した請求項２のダム流入汚濁水制御設備よれば、カーテンによって水面から適宜深
さまでの汚濁水を、ダム前面水域に流入するのを確実に防止すことができる。 According to the dam inflow polluted water control facility of claim 2 described above, it is possible to reliably prevent the polluted water from the water surface to an appropriate depth from flowing into the dam front water area by the curtain.

上記した請求項３のダム流入汚濁水制御設備によれば、補助フロートによって、浮沈式
フェンスの沈降量を一定深さに維持することができる。 According to the dam inflow polluted water control facility according to the third aspect described above, the subsidence amount of the floating fence can be maintained at a constant depth by the auxiliary float.

上記した請求項４のダム流入汚濁水制御設備によれば、ネットフェンスのフロートによ
って、浮沈式フェンスを所定位置に保持することができ、浮沈式フロートを浮沈させるた
めのエアーが少なくて済むとともに、浮沈式フェンスが水中に沈降している状態でも、ネ
ットフェンスのネットによって、ゴミ等がダム前面水域に流入するのを阻止することがで
きる。 According to the dam inflow polluted water control facility according to claim 4 described above, the float of the net fence can hold the floating fence in a predetermined position, and the air for floating the floating float can be reduced. Even when the floating fence is submerged in the water, the net of the net fence can prevent dust and the like from flowing into the water area in front of the dam.

上記した請求項５のダム流入汚濁水制御方法によれば、安価な設備で、ダム湖の水が汚
濁した場合に、その汚濁水がダムに流入するのを防止することができる。 According to the dam inflow polluted water control method of the fifth aspect described above, when the water in the dam lake is polluted with an inexpensive facility, the polluted water can be prevented from flowing into the dam.

以下、上記した本発明に係るダム流入汚濁水制御設備およびダム流入汚濁水制御方法の
実施の形態を、図面等を参照しながら詳細に説明する。
ここで、図１は本発明に係るダム流入汚濁水制御設備の一実施の形態を概念的に示した
斜視図、図２は図１における汚濁水制御設備のフェンスを浮上させた状態を示した要部斜
視図、図３は図１における汚濁水制御設備のフェンスを沈降させた状態を示した要部斜視
図、図４はフェンスを沈降させるためのエア給排気配管を示した管路図である。 Hereinafter, embodiments of the dam inflow polluted water control facility and the dam inflow polluted water control method according to the present invention will be described in detail with reference to the drawings.
Here, FIG. 1 is a perspective view conceptually showing an embodiment of a dam inflow polluted water control facility according to the present invention, and FIG. 2 shows a state in which the fence of the polluted water control facility in FIG. FIG. 3 is a perspective view of a principal part, FIG. 3 is a perspective view of a principal part showing a state in which the fence of the polluted water control facility in FIG. 1 is sunk, and FIG. 4 is a pipe diagram showing an air supply / exhaust pipe for sinking the fence. is there.

図示したダム流入汚濁水制御設備Ａでは、浮沈式フェンス１がダム湖２の両岸３ａ，３
ｂに差し渡すようにして張設され、該フェンス１の上流側水面に汚濁センサ４が設置され
、該汚濁センサ４の検出信号に基づいて、浮沈式フェンス１にエアーを給排気するエア給
排気制御装置５が設置されている。 In the illustrated dam inflow polluted water control facility A, the floating fence 1 is connected to both sides 3a, 3 of the dam lake 2.
Air supply / exhaust that is stretched so as to pass to b, and that a pollution sensor 4 is installed on the upstream water surface of the fence 1, and that supplies and exhausts air to the floating fence 1 based on the detection signal of the pollution sensor 4 A control device 5 is installed.

上記浮沈式フェンス１では、図２および図３に示したように、適宜間隔に、常時浮力が
付与されている補助フロート６，６・・・が配置され、それらの補助フロート６，６・・
・間に、空気を供給することによって浮力が付与され、排気することによって浮力を失う
浮沈式フロート７，７・・・が配置されている。そして、前記浮沈式フロート７，７・・
・は、例えば補助フロート６を貫通して設けられたパイプ（ホース）８によって互いに連
通され、最端部の浮沈式フロート７が、図１に示したように、エア給排気制御装置５のパ
イプ（ホース）９に接続されている。 2 and 3, auxiliary floats 6, 6... That are always given buoyancy are arranged at appropriate intervals, and the auxiliary floats 6, 6.
In the meantime, floating floats 7, 7... Which are given buoyancy by supplying air and lose buoyancy by exhausting are arranged. And the floating float 7, 7,.
Is communicated with each other by, for example, a pipe (hose) 8 provided through the auxiliary float 6, and the float / sink type float 7 at the end is connected to the pipe of the air supply / exhaust control device 5 as shown in FIG. (Hose) 9 is connected.

また、上記浮沈式フェンス１では、補助フロート６および浮沈式フロート７に、カーテ
ン１０が垂下されており、該カーテン１０の下縁には、カウンタウエート１１が取付けら
れている。カーテン１０の上下方向の幅Ｌは、１０メートル程度に設計され、水面からか
なりの深さまでの汚濁水を、ダム前面水域に流入するのを防止している。 Further, in the above-mentioned floating fence 1, a curtain 10 is suspended from the auxiliary float 6 and the floating float 7, and a counterweight 11 is attached to the lower edge of the curtain 10. The vertical width L of the curtain 10 is designed to be about 10 meters, and prevents polluted water from the water surface to a considerable depth from flowing into the water area in front of the dam.

上記エア給排気制御装置５は、図４に示したように、コンプレッサ１２によって常時エ
アーが蓄積されるエアレシーバ１３を備えている。そして、エアレシーバ１３は、制御弁
１４を介してパイプ９に接続されている。この制御弁１４は、ＣＰＵ等を備えた制御部１
５によって、エアレシーバ１３を浮沈式フロート７に連通させるエア供給状態と、浮沈式
フロート７を大気に開放するエア排気状態とを実現する。上記エア給排気制御装置５の制
御部１５は、汚濁センサ４に接続され、該汚濁センサ４の検知信号に基づいて、上記制御
弁１４に上記制御を行なう。 As shown in FIG. 4, the air supply / exhaust control device 5 includes an air receiver 13 in which air is constantly accumulated by the compressor 12. The air receiver 13 is connected to the pipe 9 via the control valve 14. The control valve 14 includes a control unit 1 having a CPU and the like.
5 realizes an air supply state in which the air receiver 13 communicates with the float / float type float 7 and an air exhaust state in which the float / float type float 7 is opened to the atmosphere. The control unit 15 of the air supply / exhaust control device 5 is connected to the pollution sensor 4 and controls the control valve 14 based on the detection signal of the pollution sensor 4.

上記した汚濁水制御設備Ａでは、通常、即ち、ダム湖２の上流側の水が清浄である場合
には、浮沈式フロート７内からエアーが排気され、図３に示したように、カーテン１０の
上縁が水中に沈降されている。 In the above-described contaminated water control facility A, normally, that is, when the water on the upstream side of the dam lake 2 is clean, the air is exhausted from the float-float type float 7, and as shown in FIG. The top edge is submerged in water.

一方、集中豪雨等によって上流側の水が汚濁された場合には、その汚濁状態が汚濁セン
サ４によって検出され、エア給排気制御装置５によって制御弁１４が作動され、浮沈式フ
ロート７内にエアーが供給され、図２に示したように、浮沈式フェンス１の上縁が水面に
浮上される。
これにより、水面の汚濁水は浮沈式フェンス１に堰き止められて、ダム１６側へ流入す
ることはない。なお、ダム湖２の上流側の適宜深さの水（まだ汚濁されていない水）は、
カーテン１０の下方からダム１６の前面水域に流入する。 On the other hand, when the upstream water is polluted due to heavy rain or the like, the polluted state is detected by the pollution sensor 4, the control valve 14 is operated by the air supply / exhaust control device 5, and the air flows into the floating float 7. As shown in FIG. 2, the upper edge of the floating fence 1 is levitated to the water surface.
Thereby, the polluted water on the water surface is blocked by the floating fence 1 and does not flow into the dam 16 side. In addition, the water of the appropriate depth upstream of the dam lake 2 (water that has not yet been polluted)
It flows into the front water area of the dam 16 from below the curtain 10.

雨が上がり、時間が経過すると、水面は次第に澄み、また水面の汚濁水は沈降する。浮
沈式フェンス１の上流側の水が澄んでくると、その水の清浄状態が汚濁センサ４によって
検出される。この汚濁センサ４の検知信号に基づき、エア給排気制御装置５によって制御
弁１４が作動され、浮沈式フロート７内のエアーが排気され、浮沈式フェンス１は、図３
に示したように、再びその上縁の一部が沈降し、その部分から上流側の澄んだ水がダム１
６の前面水域に流入する。 As the rain rises and time elapses, the water surface gradually becomes clear and the polluted water on the water surface sinks. When the water on the upstream side of the floating fence 1 becomes clear, the clean state of the water is detected by the pollution sensor 4. Based on the detection signal of the pollution sensor 4, the control valve 14 is operated by the air supply / exhaust control device 5, and the air in the float / float type float 7 is exhausted.
As shown in Fig. 1, a part of the upper edge sinks again, and the clear water on the upstream side from that part is dam 1
It flows into the front water area of 6.

図５乃至図７は、本発明に係るダム流入汚濁水制御設備の他の実施の形態を示したもの
であり、図５はその全体を概念的に示した斜視図、図６は図５における汚濁水制御設備の
フェンスを浮上させた状態を示した要部斜視図、図７は図５における汚濁水制御設備のフ
ェンスを沈降させた状態を示した要部斜視図である。 5 to 7 show another embodiment of the dam inflow polluted water control facility according to the present invention. FIG. 5 is a perspective view conceptually showing the whole, and FIG. The principal part perspective view which showed the state which floated the fence of the polluted water control equipment, FIG. 7: is the principal part perspective view which showed the state which settled the fence of the polluted water control equipment in FIG.

このダム流入汚濁水制御設備Ｂでは、ネットフェンス１７がダム湖２の両岸３ａ，３ｂ
に差し渡すようにして張設されている。このネットフェンス１７には、常時浮力が付与さ
れているフロート１８，１８・・・が適宜な間隔をもって配置され、それらのフロート１
８，１８・・・には、上下方向の幅Ｌａが１ｍ程度のネット１９が垂下されている。そし
て、このネットフェンス１７のネット１９の下縁には、浮沈式フェンス１のカーテン１０
の上部が縫合等によって取付けられている。
なお、このダム流入汚濁水制御設備Ｂでは、浮沈式フェンス１に補助フロート６はなく
、浮沈式フロート７のみによって構成されている。 In this dam inflow polluted water control equipment B, the net fence 17 is connected to both sides 3a, 3b of the dam lake 2.
It is stretched so as to pass over. In this net fence 17, floats 18, 18... To which buoyancy is always applied are arranged at an appropriate interval.
A net 19 having a vertical width La of about 1 m is suspended from 8, 18. At the lower edge of the net 19 of the net fence 17, the curtain 10 of the floating / falling fence 1 is provided.
The upper part is attached by sewing or the like.
In this dam inflow polluted water control facility B, the floating fence 1 does not have the auxiliary float 6 but is constituted only by the floating float 7.

上記したダム流入汚濁水制御設備Ｂでは、通常、即ち、ダム湖２の上流側の水が清浄で
ある場合には、浮沈式フロート７内からエアーが排気されており、カーテン１０の上縁が
、図７に示したように水中に沈降され、清浄な水がダム１６側に流入する。 In the dam inflow polluted water control facility B described above, normally, that is, when the water on the upstream side of the dam lake 2 is clean, air is exhausted from the float-float type float 7, and the upper edge of the curtain 10 is As shown in FIG. 7, the water sinks into the water, and clean water flows into the dam 16 side.

一方、集中豪雨等によって上流側の水が汚濁された場合には、その汚濁状態が汚濁セン
サ４によって検出され、エア給排気制御装置５によって制御弁１４が作動され、浮沈式フ
ロート７内にエアーが供給され、図６に示したように、浮沈式フェンス１の上縁が水面に
浮上される。
これにより、水面の汚濁水は浮沈式フェンス１に堰き止められて、ダム１６の前面水域
に流入することはない。なお、浮沈式フェンス１の上流側の適宜深さの水（まだ汚濁され
ていない水）は、カーテン１０の下方からダム１６の前面水域に流入する。 On the other hand, when the upstream water is polluted due to heavy rain or the like, the polluted state is detected by the pollution sensor 4, the control valve 14 is operated by the air supply / exhaust control device 5, and the air flows into the floating float 7. As shown in FIG. 6, the upper edge of the floating fence 1 is levitated to the water surface.
Thereby, the polluted water on the water surface is blocked by the floating fence 1 and does not flow into the front water area of the dam 16. In addition, the water of the appropriate depth (water which has not yet been polluted) on the upstream side of the floating fence 1 flows into the front water area of the dam 16 from below the curtain 10.

雨が上がり、時間が経過すると、水面は次第に澄み、また水面の汚濁水は沈降する。浮
沈式フェンス１の上流側の水が澄んでくると、その水の清浄状態が汚濁センサ４によって
検出される。この汚濁センサ４の検知信号に基づいて、エア給排気制御装置５によって、
制御弁１４が作動され、浮沈式フロート７内のエアーが排気される。
これにより、浮沈式フェンス１は、図７に示したように、その上縁の一部が沈降し、そ
の部分から上流側の澄んだ水がダム１６側に流入する。 As the rain rises and time elapses, the water surface gradually becomes clear and the polluted water on the water surface sinks. When the water on the upstream side of the floating fence 1 becomes clear, the clean state of the water is detected by the pollution sensor 4. Based on the detection signal of the pollution sensor 4, the air supply / exhaust control device 5
The control valve 14 is operated and the air in the float / float type float 7 is exhausted.
As a result, as shown in FIG. 7, the floating fence 1 sinks a part of its upper edge, and clear water on the upstream side flows from that part into the dam 16 side.

上記した実施形態のダム流入汚濁水制御設備Ｂでは、ネットフェンス１７のフロート１
８によって浮沈式フェンス１の全体が支持されている構造であるため、浮沈式フロート７
の浮力は小さくて済む。また、浮沈式フロート７が水中に沈降している状態でも、ネット
フェンス１７が水面上に位置されているので、該ネットフェンス１７によってゴミ等が捕
捉され、ゴミ等がダム１６側に流入する虞もない。 In the dam inflow polluted water control facility B of the above-described embodiment, the float 1 of the net fence 17
8 is a structure in which the entire floating fence 1 is supported by the floating float 7.
Buoyancy is small. Even when the floating float 7 is submerged in the water, the net fence 17 is positioned on the surface of the water, so that the net fence 17 can catch dust and the like and the dust can flow into the dam 16 side. Nor.

以上、本発明の実施の形態を説明したが、本発明は、何ら既述の実施の形態に限定され
ず、特許請求の範囲に記載した本発明の技術的思想の範囲内において、種々の変形及び変
更が可能であることは当然である。 Although the embodiment of the present invention has been described above, the present invention is not limited to the embodiment described above, and various modifications can be made within the scope of the technical idea of the present invention described in the claims. Of course, changes are possible.

本発明に係るダム流入汚濁水制御設備の一実施の形態を概念的に示した斜視図である。It is the perspective view which showed notionally one Embodiment of the dam inflow polluted water control equipment which concerns on this invention. 図１における汚濁水制御設備の浮沈式フェンスを浮上させた状態を示した要部斜視図である。It is the principal part perspective view which showed the state which floated the floating fence of the polluted water control equipment in FIG. 図１における汚濁水制御設備の浮沈式フェンスを沈降させた状態を示した要部斜視図である。It is the principal part perspective view which showed the state which settled the floating fence of the polluted water control equipment in FIG. 浮沈式フェンスを沈降させるためのエア給排気配管を示した管路図である。It is the pipe line figure which showed the air supply / exhaust piping for sinking an ups and downs type fence. 本発明に係るダム流入汚濁水制御設備の他の実施の形態を示した概念的な斜視図である。It is the conceptual perspective view which showed other embodiment of the dam inflow polluted water control equipment which concerns on this invention. 図５における汚濁水制御設備の浮沈式フェンスを浮上させた状態を示した要部斜視図である。It is the principal part perspective view which showed the state which floated the floating fence of the polluted water control equipment in FIG. 図５における汚濁水制御設備の浮沈式フェンスを沈降させた状態を示した要部斜視図である。It is the principal part perspective view which showed the state which settled the floating fence of the polluted water control equipment in FIG.

符号の説明Explanation of symbols

１ 浮沈式フェンス
２ ダム湖
３ａ，３ｂ 岸
４ 汚濁センサ
５ エア給排気制御装置
６ 補助フロート
７ 浮沈式フロート
８，９ パイプ（ホース）
１０ カーテン
１１ カウンタウエート
１２ コンプレッサ
１３ エアレシーバ
１４ 制御弁
１５ 制御部
１６ ダム
１７ ネットフェンス
１８ フロート
１９ ネット
Ａ，Ｂ ダム流入汚濁水制御設備 1 Floating Fence 2 Dam Lake 3a, 3b Shore 4 Pollution Sensor 5 Air Supply / Exhaust Control Device 6 Auxiliary Float 7 Floating Float 8, 9 Pipe (Hose)
DESCRIPTION OF SYMBOLS 10 Curtain 11 Counterweight 12 Compressor 13 Air receiver 14 Control valve 15 Control part 16 Dam 17 Net fence 18 Float 19 Net A, B Dam inflow polluted water control equipment

Claims (5)

浮沈式フェンスをダム湖の両岸に差し渡すようにして張設するとともに、該フェンスの
上流側水面に汚濁センサを設置し、該汚濁センサの信号に基づいて前記フェンスを浮沈さ
せるようにしたことを特徴とする、ダム流入汚濁水制御設備。 The floating fence was stretched across both sides of the dam lake, and a pollution sensor was installed on the upstream water surface of the fence, and the fence was caused to float and sink based on the signal from the pollution sensor. A dam inflow polluted water control facility. 上記浮沈式フェンスは、空気によって浮力が付与される浮沈式フロートと、該フロート
から垂下されたカーテンを備えていることを特徴とする、請求項１に記載のダム流入汚濁
水制御設備。 The dam inflow polluted water control equipment according to claim 1, wherein the floating fence includes a floating float to which buoyancy is imparted by air, and a curtain suspended from the float. 上記浮沈式フロートの適宜位置に、常時浮上している補助フロートを配設したことを特
徴とする、請求項２に記載のダム流入汚濁水制御設備。 The dam inflow polluted water control facility according to claim 2, wherein an auxiliary float that is constantly floating is disposed at an appropriate position of the float-float type float. 上記浮沈式フェンスに、常時浮上しているフロートと該フロートから垂下されたネット
とによって構成されるネットフェンスを並設させるとともに、前記ネットの下縁を、前記
浮沈式フェンスのカーテンの上部に取付けたことを特徴とする、請求項２に記載のダム流
入汚濁水制御設備。 A net fence composed of a float that always floats and a net suspended from the float is juxtaposed to the floating fence, and the lower edge of the net is attached to the top of the curtain of the floating fence The dam inflow polluted water control facility according to claim 2, wherein 浮沈式フェンスをダム湖の両岸に差し渡すようにして張設し、前記フェンスの上流側水
面が汚濁された際に、前記フェンスを水面上に浮上させて、フェンスの上流側水面の汚濁
水がダム前面水域に流れ込むのを防止し、前記フェンスの上流側水面が清浄になったとき
、前記フェンスを水中に沈降させて、フェンスの上流側水面の水をダム前面水域に流入さ
せることを特徴とする、ダム流入汚濁水制御方法。 A floating fence is stretched across both sides of the dam lake, and when the upstream water surface of the fence is polluted, the fence is levitated above the water surface, and the contaminated water on the upstream water surface of the fence Is prevented from flowing into the front water area of the dam, and when the upstream water surface of the fence becomes clean, the fence is submerged in water, and the water on the upstream water surface of the fence flows into the front water area of the dam. Dam inflow polluted water control method.
JP2003353253A 2003-10-14 2003-10-14 Dam inflow polluted water control equipment and dam inflow polluted water control method Expired - Fee Related JP4589613B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003353253A JP4589613B2 (en) 2003-10-14 2003-10-14 Dam inflow polluted water control equipment and dam inflow polluted water control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003353253A JP4589613B2 (en) 2003-10-14 2003-10-14 Dam inflow polluted water control equipment and dam inflow polluted water control method

Publications (2)

Publication Number Publication Date
JP2005120582A JP2005120582A (en) 2005-05-12
JP4589613B2 true JP4589613B2 (en) 2010-12-01

Family

ID=34611584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003353253A Expired - Fee Related JP4589613B2 (en) 2003-10-14 2003-10-14 Dam inflow polluted water control equipment and dam inflow polluted water control method

Country Status (1)

Country Link
JP (1) JP4589613B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4636985B2 (en) * 2005-09-26 2011-02-23 海和テック株式会社 Pollution prevention device
JP5490189B2 (en) * 2012-07-09 2014-05-14 ゼニヤ海洋サービス株式会社 Floating prevention fence
CN108193655A (en) * 2017-12-29 2018-06-22 南京林业大学 For the external water plant floatable grid protective fence of lake waters
CN109235397A (en) * 2018-11-12 2019-01-18 中交（天津）生态环保设计研究院有限公司 A kind of small rivers block dirty oil-isolating device and method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040409A (en) * 1983-08-16 1985-03-02 Nippon Solid Co Ltd Improvement of environment of dam and river
JPS61155508A (en) * 1984-12-26 1986-07-15 Oyo Chishitsu Kk Cleaning method of turbid water in dam
JPH01258711A (en) * 1988-04-06 1989-10-16 Okasan Kogyo Kk Device for removing suspended matter contained in water
JPH07116696A (en) * 1993-09-01 1995-05-09 Hitachi Cable Ltd Preserving method for water quality in water-storage dam
JPH1060874A (en) * 1996-08-15 1998-03-03 Shiden Gijutsu Consultant:Kk Water quality improvement device for closed water area by fence
JPH1150425A (en) * 1997-08-05 1999-02-23 Kaiwa Tec Kk Shielding device of pollutant in water
JP2003193454A (en) * 2001-12-28 2003-07-09 Zeniya Kaiyo Service Kk Inflow adjusting fence for improving water quality

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040409A (en) * 1983-08-16 1985-03-02 Nippon Solid Co Ltd Improvement of environment of dam and river
JPS61155508A (en) * 1984-12-26 1986-07-15 Oyo Chishitsu Kk Cleaning method of turbid water in dam
JPH01258711A (en) * 1988-04-06 1989-10-16 Okasan Kogyo Kk Device for removing suspended matter contained in water
JPH07116696A (en) * 1993-09-01 1995-05-09 Hitachi Cable Ltd Preserving method for water quality in water-storage dam
JPH1060874A (en) * 1996-08-15 1998-03-03 Shiden Gijutsu Consultant:Kk Water quality improvement device for closed water area by fence
JPH1150425A (en) * 1997-08-05 1999-02-23 Kaiwa Tec Kk Shielding device of pollutant in water
JP2003193454A (en) * 2001-12-28 2003-07-09 Zeniya Kaiyo Service Kk Inflow adjusting fence for improving water quality

Also Published As

Publication number Publication date
JP2005120582A (en) 2005-05-12

Similar Documents

Publication Publication Date Title
WO2002088472A1 (en) Method for the removal of sediment from sand traps
JP4589613B2 (en) Dam inflow polluted water control equipment and dam inflow polluted water control method
JP4636985B2 (en) Pollution prevention device
JP2008163622A (en) Inverted siphon structure of sewer
JP2005256433A (en) Treated sewage and rainwater sending and draining system
JP2008142581A (en) Device for capturing/collecting suspended solid
KR200357656Y1 (en) Prevention system of a corruption
JP4637194B2 (en) Aiba
JP5461056B2 (en) Suspended suspended solids recovery device and installation method of the device
JP2001182031A (en) Installing method of self-standing submerged breakwater fence
JPH07127041A (en) Inflow water separating device for dam reservoir
JP6894609B2 (en) Floating and sinking fences and floating and sinking fence systems
JP4671085B2 (en) Pollution prevention device
JP6033711B2 (en) Undulating gate breakwater
KR200308775Y1 (en) Equipment for sedimentation using shielding film
CN215799025U (en) Ecological water purification corridor
SE526791C2 (en) Swirl chamber with variable backrest and air injector for preventing sedimentation in day and waste water wells
KR200449731Y1 (en) flood gate
KR101066588B1 (en) Water passage for a sluice apparatus
KR101876831B1 (en) Barricades for adjacent intake facilities and its construction method
JPH09228338A (en) River purifying facility
JP3125175U (en) Floating type floating dust outflow control device for drainage equipment
KR100721897B1 (en) River purification structure
KR20030061490A (en) apparatus for adjusting the level of pumping pipe
JP6202675B2 (en) Pollution prevention membrane device

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20061011

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100831

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100910

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

Ref document number: 4589613

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130917

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130917

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313114

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130917

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees