JP2540536Y2 - Water quality preservation equipment such as reservoirs - Google Patents
Water quality preservation equipment such as reservoirsInfo
- Publication number
- JP2540536Y2 JP2540536Y2 JP1904993U JP1904993U JP2540536Y2 JP 2540536 Y2 JP2540536 Y2 JP 2540536Y2 JP 1904993 U JP1904993 U JP 1904993U JP 1904993 U JP1904993 U JP 1904993U JP 2540536 Y2 JP2540536 Y2 JP 2540536Y2
- Authority
- JP
- Japan
- Prior art keywords
- water
- discharge pipe
- water discharge
- pond
- pump
- 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 - Lifetime
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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Description
【0001】[0001]
【産業上の利用分野】本考案は,湖沼,貯水池,溜池等
の水質保全装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water quality preservation device for a lake, a marsh, a reservoir, a reservoir, and the like.
【0002】[0002]
【従来の技術】一般に,閉鎖性水域,即ち湖沼,貯水
池,農業用溜池等は,上流域の開発で有機性物質が流入
し,窒素や燐などの栄養塩が増加し,プランクトンが異
常発生して,水質が悪化し悪臭を放ち,環境を損なうの
で,その対策として種々の水質保全設備が提案され,実
施されている。2. Description of the Related Art Generally, enclosed water bodies, ie, lakes, marshes, reservoirs, agricultural ponds, etc., have an inflow of organic substances due to the development of upstream basins, an increase in nutrients such as nitrogen and phosphorus, and abnormal occurrence of plankton. As a result, the water quality deteriorates and emits offensive odors, and the environment is impaired. Therefore, various water quality conservation facilities have been proposed and implemented as countermeasures.
【0003】従来,この種装置の一例として,フローテ
ィングプロペラ水流機が採用されており,特に水深5m
以下の溜池等での富栄養化抑制に有効である。このフロ
ーティングプロペラ水流機は,フロートに水平軸心をも
って水中モータを吊下装着し,モータ出力軸にプロペラ
を固着したものであり,プロペラの回転により池水に流
れが生じると共に,エアレーション効果が生じ,溶存酸
素量を改善することができる。Heretofore, a floating propeller water jet has been employed as an example of this type of apparatus, particularly at a water depth of 5 m.
It is effective in controlling eutrophication in the following ponds. In this floating propeller water jet machine, a submersible motor is suspended from the float with a horizontal axis and the propeller is fixed to the motor output shaft. The rotation of the propeller causes flow in the pond water, produces an aeration effect, and dissolves. Oxygen content can be improved.
【0004】[0004]
【考案が解決しようとする課題】ところで,従来技術で
は,比較的水深が浅い溜池の場合,水面上に露出する部
分が多くなるうえ,大きさにも制約が生じ,必然的に水
流機が多くなり,外観上も好ましくない等の問題があ
る。本考案は,上述のような実状に鑑みてなされたもの
で,その目的とするところは,比較的水深の浅い溜池等
においても,効果的に池水に水流を生じさせ,景観を損
ねることがなく,保守管理の簡素化及びコスト低下を図
ることができる水質保全装置を提供するにある。[Problems to be Solved by the Invention] In the prior art, however, in the case of a basin having a relatively shallow water depth, the portion exposed on the water surface is increased, and the size is restricted. And there are problems such as an unfavorable appearance. The present invention has been made in view of the above situation, and its purpose is to effectively generate water flow in pond water even in relatively shallow ponds without damaging the landscape. Another object of the present invention is to provide a water quality preservation device capable of simplifying maintenance management and reducing costs.
【0005】[0005]
【課題を解決するための手段】本考案では,上記目的を
達成するために,次の技術的手段を講じた。即ち,本考
案は,溜池等の少なくとも外周部に,水噴出ノズルが適
当間隔をもって多数設けられた放水管を,1又は複数周
回状に配設し,該放水管の少なくとも一端部にポンプを
設け,前記水噴出ノズルは放水管に対してその水流方向
に鋭角をもって傾斜状にかつ内向きに設け,池水に一定
方向の旋回流を生起させうるようにしたことを特徴とし
ている。In the present invention, the following technical measures have been taken in order to achieve the above object. That is, according to the present invention, one or a plurality of water discharge pipes provided with a large number of water ejection nozzles at appropriate intervals are arranged at least at the outer peripheral part of a reservoir or the like, and a pump is provided at at least one end of the water discharge pipe. The water jet nozzle is provided so as to be inclined and inward at an acute angle with respect to the water discharge pipe with respect to the water discharge pipe so as to generate a swirling flow in a certain direction in the pond water.
【0006】また,本考案は,前記ポンプに代えてエゼ
クタを設けたことを特徴とし,さらに,放水管に対応し
て水面に水流機を適当間隔で浮設した点に特徴がある。Further, the present invention is characterized in that an ejector is provided in place of the pump, and that the present invention is characterized in that water jets are floated at appropriate intervals on the water surface corresponding to the water discharge pipe.
【0007】[0007]
【作用】本考案によれば,ポンプの運転開始によって池
水が放水管に導入され,放水管の多数の水噴出ノズルか
ら池水が水中に所定の方向に噴出され,池水に一定方向
の旋回流が生じる。この旋回流によって,アオコ等のプ
ランクトンが静止できず剪断され,かつ上下の水の入れ
かえが生じて水温が下がり,アオコ等の繁殖による水質
悪化が抑制され,水質が保全される。また,ポンプに代
えてエゼクタを用いることにより,水噴出ノズルから空
気が水と共に噴出され,エアレーション効果が生じて溶
存酸素量が改善される。According to the present invention, the pond water is introduced into the water discharge pipe by the operation of the pump, and the pond water is jetted into the water in a predetermined direction from a number of water jet nozzles of the water discharge pipe. Occurs. Due to this swirling flow, plankton such as blue-green algae cannot be stopped and is sheared, and the upper and lower water is switched, and the water temperature is lowered, and deterioration of the water quality due to propagation of the blue-green algae is suppressed, and water quality is preserved. In addition, by using an ejector instead of the pump, air is ejected together with water from the water ejection nozzle, and an aeration effect is generated to improve the dissolved oxygen amount.
【0008】[0008]
【実施例】以下,本考案の実施例を図面に基づき説明す
る。図1は本考案の第1実施例を示し,溜池(1)の外
周部水中には,適当水深下に放水管(2)が略全周にわ
たって配設され,該放水管(2)には適当間隔で水噴出
ノズル(3)が所定の間隔で多数設けられており,放水
管(2)の一端及び中間に水中ポンプ(4),(5)が
設けられている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a first embodiment of the present invention. A water discharge pipe (2) is disposed substantially all around the water at the outer periphery of the reservoir (1) at an appropriate depth, and the water discharge pipe (2) has: A large number of water jet nozzles (3) are provided at appropriate intervals at predetermined intervals, and submersible pumps (4) and (5) are provided at one end and in the middle of the water discharge pipe (2).
【0009】そして,前記水噴出ノズル(3)は,前記
放水管(2)の溜池(1)中心側に,放水管(2)の軸
即ち水流方向に対して鋭角をもって傾斜状内向きに設け
られ,池水に矢印(イ)で示す方向に旋回流が生じるよ
うになっている。なお,溜池(1)の面積が広い場合に
は,ポンプ(4)の数を増やしたり,図1に示すように
水流機(5)を適当間隔で浮設して,池水の流れを大き
くすることができる。The water jet nozzle (3) is provided at the center of the reservoir (1) of the water discharge pipe (2) at an acute angle with respect to the axis of the water discharge pipe (2), that is, the direction of water flow, so as to be inclined inward. As a result, a swirling flow is generated in the pond water in the direction shown by the arrow (a). If the area of the reservoir (1) is large, the number of pumps (4) is increased, or the water flowers (5) are floated at appropriate intervals as shown in FIG. 1 to increase the flow of pond water. be able to.
【0010】また,溜池(1)の中央には,噴水(6)
を設けて,さらにエアレーション効果を高めると共に,
景観を良くすることができる。図2は本考案の第2実施
例を示し,放水管(2)をうず巻状に配設し,放水管
(2)の外周側1端にポンプ(4)を接続し,内側端に
噴水ノズル(7)を設けたもので,溜池(1)の面積が
中程度のものに適している。該第2実施例においても,
第1実施例と同等の作用効果を期待することができる。In the center of the reservoir (1), a fountain (6)
To further enhance the aeration effect,
The landscape can be improved. FIG. 2 shows a second embodiment of the present invention, in which a water discharge pipe (2) is arranged in a spiral shape, a pump (4) is connected to one end on the outer peripheral side of the water discharge pipe (2), and a fountain is connected to the inner end. It is provided with a nozzle (7), and is suitable for a reservoir having a medium area (1). Also in the second embodiment,
The same operation and effect as in the first embodiment can be expected.
【0011】図3は本考案の第3実施例を示し,溜池
(1)内に外周側から順次3重に放水管(2A),(2
B),(2C)を周回状に設け,各放水管(2A),
(2B),(2C)に夫々水噴出ノズル(3A),(3
B),(3C)を設けると共に,各一端部にポンプ(4
A),(4B),(4C)を接続し,内周放水管(2
C)の内端は池(1)中央に配して噴水ノズル(7)を
接続したものであり,比較的面積の大きい池に適してい
る。FIG. 3 shows a third embodiment of the present invention, in which the water discharge pipes (2A), (2
B) and (2C) are provided in a circular shape, and each water discharge pipe (2A),
(2B) and (2C) show water jet nozzles (3A) and (3C), respectively.
B) and (3C), and a pump (4
A), (4B), and (4C) are connected, and the inner peripheral water discharge pipe (2
The inner end of C) is located at the center of the pond (1) and is connected to the fountain nozzle (7), and is suitable for a pond having a relatively large area.
【0012】上記第3実施例においても,他の実施例と
同様の作用効果を期待することができる。なお,第2,
第3実施例においても,ポンプ(4),(4A),(4
B),(4C) の設置数を増やしたり,ポンプ
(4),(4A),(4B),(4C)に代えてエゼク
タを使用することができ,さらに,水流機を付設しても
よいこと勿論である。また,前記各水噴出ノズル
(3),(3A),(3B),(3C)は,夫々流量調
整弁を介して放水管(2),(2A),(2B),(2
C)に接続して,各ノズルからの噴出水量を調節するこ
とができる。さらに,各ポンプ(4)の吐出側又は吸込
側に殺藻剤,魚類のエサを投入させることができる。In the third embodiment, the same operation and effect as in the other embodiments can be expected. The second,
Also in the third embodiment, the pumps (4), (4A), (4
B) and (4C), the number of installations can be increased, and an ejector can be used instead of the pumps (4), (4A), (4B), and (4C), and a water flow machine may be additionally provided. Of course. The water jet nozzles (3), (3A), (3B), and (3C) are respectively connected to the water discharge pipes (2), (2A), (2B), (2
C), the amount of water jetted from each nozzle can be adjusted. Further, an algicide or fish food can be fed to the discharge side or the suction side of each pump (4).
【0013】[0013]
【考案の効果】本考案は,上述のように,溜池等の少な
くとも外周部に,水噴出ノズルが適当間隔をもって多数
設けられた放水管を,1又は複数周回状に配設し,該放
水管の少なくとも一端部にポンプを設け,前記水噴出ノ
ズルは放水管に対してその水流方向に鋭角をもって傾斜
状にかつ内向きに設け,池水に一定方向の旋回流を生起
させうるようにしたことを特徴とするものであるから,
特に,比較的水深の浅い溜池等(例えば水深1m以下)
に設けて効果的に池水に水流を生じさせ,藻類の発生を
抑制して水質保全を図ることができ,保守管理が簡単
で,水面上に浮設物がないため景観を損ねることがな
く,設備コスト及び運転コストの低下を図ることが可能
である。According to the present invention, as described above, one or a plurality of water discharge pipes provided with a large number of water ejection nozzles at appropriate intervals are arranged at least on the outer peripheral portion of a reservoir or the like. A pump is provided at at least one end of the water discharge pipe, and the water jet nozzle is provided in an inclined manner and inward at an acute angle with respect to a water discharge pipe so as to generate a swirling flow in a pond water in a certain direction. Because it is a feature
In particular, reservoirs with relatively shallow water depths (eg, 1 m or less)
The water can be effectively generated in the pond water, and the generation of algae can be suppressed to maintain the water quality by maintaining it. The maintenance and management are simple, and the landscape is not damaged because there are no floating objects on the water surface. Equipment costs and operating costs can be reduced.
【0014】また,本考案は,ポンプに代えてエゼクタ
を採用することにより,池水中に空気と水の混合流を噴
出させ,池中のエアレーション効果を生ぜしめ,溶存酸
素量を増加して水質保全をより有効にすることができ
る。さらに,放水管に対応して水面に水流機を適当間隔
で浮設することにより,池水の流れをより大きくするこ
とができる。Further, the present invention employs an ejector instead of a pump, thereby ejecting a mixed flow of air and water into the pond water to produce an aeration effect in the pond, increasing the amount of dissolved oxygen and increasing water quality. Conservation can be made more effective. Further, the flow of pond water can be further increased by floating water jets at appropriate intervals on the water surface corresponding to the water discharge pipes.
【図1】本考案の第1実施例を示す平面図である。FIG. 1 is a plan view showing a first embodiment of the present invention.
【図2】本考案の第2実施例を示す平面図である。FIG. 2 is a plan view showing a second embodiment of the present invention.
【図3】本考案の第3実施例を示す平面図である。FIG. 3 is a plan view showing a third embodiment of the present invention.
1 溜池 2,2A,2B,2C 放水管 3,3A,3B,3C 水噴出ノズル 4,4A,4B,4C ポンプ 5 水流機 1 Reservoir 2, 2A, 2B, 2C Discharge pipe 3, 3A, 3B, 3C Water jet nozzle 4, 4A, 4B, 4C Pump 5 Water flow machine
Claims (3)
ズルが適当間隔をもって多数設けられた放水管を,1又
は複数周回状に配設し,該放水管の少なくとも一端部に
ポンプを設け,前記水噴出ノズルは放水管に対してその
水流方向に鋭角をもって傾斜状にかつ内向きに設け,池
水に一定方向の旋回流を生起させうるようにしたことを
特徴とする溜池等の水質保全装置。1. A water discharge pipe provided with a large number of water jet nozzles provided at appropriate intervals at least at an outer peripheral portion of a reservoir or the like in one or a plurality of turns. A pump is provided at at least one end of the water discharge pipe. A water quality preservation device for a pond or the like, characterized in that the water jet nozzle is provided in an inclined manner and inward at an acute angle with respect to a water discharge direction with respect to a water discharge pipe so as to generate a swirling flow in a certain direction in pond water. .
とを特徴とする請求項1の溜池等の水質保全装置。2. An apparatus according to claim 1, wherein an ejector is provided in place of said pump.
当間隔で浮設したことを特徴とする請求項1又は2の溜
池等の水質保全装置。3. The water quality preserving device according to claim 1, wherein water jets are floated on the water surface at appropriate intervals corresponding to the water discharge pipes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1904993U JP2540536Y2 (en) | 1993-03-08 | 1993-03-08 | Water quality preservation equipment such as reservoirs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1904993U JP2540536Y2 (en) | 1993-03-08 | 1993-03-08 | Water quality preservation equipment such as reservoirs |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0670900U JPH0670900U (en) | 1994-10-04 |
JP2540536Y2 true JP2540536Y2 (en) | 1997-07-09 |
Family
ID=11988575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1904993U Expired - Lifetime JP2540536Y2 (en) | 1993-03-08 | 1993-03-08 | Water quality preservation equipment such as reservoirs |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2540536Y2 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0759320B2 (en) * | 1988-10-13 | 1995-06-28 | 海洋工業株式会社 | Device for improving dissolved oxygen content in large amounts of water |
JP2650126B2 (en) * | 1990-08-01 | 1997-09-03 | 株式会社丸島アクアシステム | Pond water purification equipment |
-
1993
- 1993-03-08 JP JP1904993U patent/JP2540536Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0670900U (en) | 1994-10-04 |
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Legal Events
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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EXPY | Cancellation because of completion of term |