JP3169340B2 - Water circulation device - Google Patents

Water circulation device

Info

Publication number
JP3169340B2
JP3169340B2 JP32434996A JP32434996A JP3169340B2 JP 3169340 B2 JP3169340 B2 JP 3169340B2 JP 32434996 A JP32434996 A JP 32434996A JP 32434996 A JP32434996 A JP 32434996A JP 3169340 B2 JP3169340 B2 JP 3169340B2
Authority
JP
Japan
Prior art keywords
water
water circulation
blade
circulation device
rotating
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
Application number
JP32434996A
Other languages
Japanese (ja)
Other versions
JPH10156382A (en
Inventor
徹 黒羽
Original Assignee
株式会社環境測定サービス
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 株式会社環境測定サービス filed Critical 株式会社環境測定サービス
Priority to JP32434996A priority Critical patent/JP3169340B2/en
Publication of JPH10156382A publication Critical patent/JPH10156382A/en
Application granted granted Critical
Publication of JP3169340B2 publication Critical patent/JP3169340B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は池や湖などで停滞し
がちな底部水を汲み上げ循環させる水循環装置に関する
ものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water circulating apparatus for pumping and circulating bottom water that tends to stagnate in ponds and lakes.

【0002】[0002]

【従来の技術】一般に、池や湖ではその周囲からの流水
或いは雨水などにより、その表層部分の水は常に入れ替
わっており、さほど汚染されているものではないが、底
部水は停滞状態となっているため、酸素が欠乏し富栄養
化された水が嫌気性菌により腐食汚染され、これによ
り、アオコ等の発生の大きな原因となっている。
2. Description of the Related Art Generally, in a pond or lake, the surface water is constantly replaced by running water or rainwater from its surroundings, and the water is not so polluted, but the bottom water is stagnant. Therefore, oxygen-deficient and eutrophic water is corroded and contaminated by anaerobic bacteria, which is a major cause of the occurrence of blue water and the like.

【0003】そこで、このような課題を解決するため、
池等の多数箇所に水中ポンプを設置し、底部水を汲み上
げて循環する方法が一般に採用されている。
[0003] In order to solve such a problem,
In general, a method is used in which submersible pumps are installed in many places such as ponds, and bottom water is pumped up and circulated.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、この水
中ポンプでは底部水を汲み上げる機能しか持っていない
ため、この汲み上げらた底部水はこの水中ポンプの周囲
近傍で再度池の底に向かって循環し、狭い範囲での水循
環となっている。従って、直径30m〜50mの池を浄
化するためには、モータ出力3kwのものを少なくとも
4基に設置する必要があり、設置コストはもとよりラン
ニングコストの点でも割高なものとなっていた。
However, since this submersible pump has only the function of pumping the bottom water, the pumped bottom water circulates again toward the bottom of the pond near the periphery of the submersible pump. Water circulation in a narrow range. Therefore, in order to purify a pond having a diameter of 30 m to 50 m, it is necessary to install at least four units having a motor output of 3 kW, and the installation cost as well as the running cost is relatively high.

【0005】本発明の目的は前記従来の課題に鑑み、広
範囲に亘って水を循環でき、かつ、コストも割安な水循
環装置を提供することにある。
An object of the present invention is to provide a water circulating apparatus that can circulate water over a wide range and that is inexpensive in view of the above-mentioned conventional problems.

【0006】[0006]

【課題を解決するための手段】本発明は前記課題を解決
するため、請求項1の発明は、水に浮上するフロート
と、このフロートの下方に上下に配置された第1回転羽
根及び第2回転羽根とを有し、各回転羽根を回転駆動す
る水循環装置であって、下位の第1回転羽根は回転によ
り水を汲み上げるよう斜め方向に延在した傾斜羽根を有
し、上位の第2回転羽根は該第1回転羽根で汲み上げら
れた水を回転により周方向に押し出すよう略垂直方向に
延びる垂直羽根を有する構造となっている。
In order to solve the above-mentioned problems, the present invention is directed to a float floating on water, a first rotating blade and a second rotary blade disposed vertically below the float. A water circulating device having rotating blades and rotating each of the rotating blades, wherein the lower first rotating blade has an inclined blade extending in an oblique direction so as to pump up water by rotation, and the upper second rotating blade. The blade has a structure having a vertical blade extending in a substantially vertical direction so that the water pumped by the first rotary blade is pushed in the circumferential direction by rotation.

【0007】請求項1の発明によれば、第1回転羽根及
び第2回転羽根が回転するとき、池等の底部水が、ま
ず、第1回転羽根により水面側に向かって汲み上げら
れ、更に、この汲み上げられた底部水が第2回転羽根に
より周方向に押し出される。従って、池等の水を広範囲
に亘って循環できる。
According to the first aspect of the invention, when the first rotating blade and the second rotating blade rotate, bottom water of a pond or the like is firstly pumped toward the water surface side by the first rotating blade. The pumped bottom water is pushed out in the circumferential direction by the second rotating blades. Therefore, water in a pond or the like can be circulated over a wide range.

【0008】請求項2の発明は、請求項1の水循環装置
において、フロートの下方には直流電圧が印加される一
対の電極を有し、電極の陽極側にはアルミニウム板を配
置し、電極の陰極側には通電性の良好な金属板を配置し
た構造となっている。
According to a second aspect of the present invention, in the water circulation device of the first aspect, a pair of electrodes to which a DC voltage is applied are provided below the float, and an aluminum plate is disposed on the anode side of the electrodes. On the cathode side, a metal plate having good conductivity is arranged.

【0009】請求項2の発明によれば、一対の電極に直
流電圧を印加することにより、陽極側のアルミニウム板
からAl+3イオンが溶出するとともに水のOH-イオン
と反応して水酸化アルミニウム(Al(OH)3)が生
成される。ここで、この水酸化アルミニウムは微細な粘
土質や微生物の死骸などの懸濁物質等を凝集する凝集性
を有するため、底部水中に含まれる微細な粘土質等が凝
集され、ブロック状となって池等の底に沈殿する。これ
により、微細な粘土質等の浮遊に伴う水質汚濁を防止で
きる。
According to the second aspect of the present invention, by applying a DC voltage to the pair of electrodes, Al +3 ions are eluted from the aluminum plate on the anode side and react with OH - ions of water to form aluminum hydroxide. (Al (OH) 3 ) is produced. Here, since this aluminum hydroxide has a cohesive property to coagulate suspended substances such as fine clay and dead microorganisms, fine clay and the like contained in the bottom water are coagulated to form a block. Settles at the bottom of a pond. As a result, water pollution caused by floating fine clay or the like can be prevented.

【0010】[0010]

【発明の実施の形態】図1乃至図4は本発明に係る水循
環装置の第1実施形態を示すもので、図1は水循環装置
の斜視図、図2は第1回転羽根及び第2回転羽根を示す
平面図、図3は第1回転羽根及び第2回転羽根の配置状
態を示す側面図、図4は池の水の循環を示す説明図であ
る。
1 to 4 show a first embodiment of a water circulation device according to the present invention. FIG. 1 is a perspective view of the water circulation device, and FIG. 2 is a first rotating blade and a second rotating blade. FIG. 3 is a side view showing an arrangement state of the first rotating blades and the second rotating blades, and FIG. 4 is an explanatory diagram showing circulation of water in a pond.

【0011】この水循環装置1は、図1に示すように、
円盤状のフロート2を有する。このフロート2は直径1
mで厚さ10cm程度のものを使用している。また、そ
の浮力を付与するため、発泡スチロールで形成するとと
もに、この発泡スチロールの保持及び強化のため、発泡
スチロールの上面にFRP板を接着している。これによ
り、100kg程度のものをこのフロート2により支え
ることができる。また、このフロート2の上面には後述
する第1回転羽根7及び第2回転羽根8の回転駆動源で
あるモータ3を設置している。
[0011] As shown in FIG.
It has a disk-shaped float 2. This float 2 has a diameter of 1
m and a thickness of about 10 cm are used. Further, in order to impart the buoyancy, the styrofoam is formed of styrofoam, and an FRP plate is bonded to the upper surface of the styrofoam for holding and strengthening the styrofoam. Thus, about 100 kg can be supported by the float 2. Further, on the upper surface of the float 2, a motor 3 which is a rotation drive source of a first rotary blade 7 and a second rotary blade 8, which will be described later, is installed.

【0012】なお、フロート2の周囲寄りに形成された
4箇所の穴4は、花等を植え込んだ鉢を装着するための
もので、この水循環装置1を装飾できるようになってい
る。また、同じくフロート2の周囲寄りに設置された金
具5は、係留用のロープ6を引っかけるもので、これに
より、水循環装置1を図4に示すように池A等の所定箇
所に係留できるようになっている。
The four holes 4 formed near the periphery of the float 2 are for mounting pots into which flowers and the like are planted, and the water circulation device 1 can be decorated. A metal fitting 5 similarly installed near the periphery of the float 2 hooks a mooring rope 6 so that the water circulation device 1 can be moored at a predetermined location such as a pond A as shown in FIG. Has become.

【0013】このように構成されたフロート2の下方に
は、通常の水中ポンプに比べ圧倒的に大きな第1回転羽
根7及び第2回転羽根8を上下に配置している。この下
位の第1回転羽根7は、環状の案内筒7aと、この案内
筒7aの内側に等角度間隔で配置された4枚の羽根板7
bとにより構成され、この各羽根板7bをモータ3の回
転軸3aに溶着し、モータ3の駆動により、第1回転羽
根7が回転するようになっている。また、この各羽根板
7bは図3の(a)に示すように45度の角度で回転軸3
aに溶着され傾斜羽根となっており、第1回転羽根7が
回転するとき、図4の1点鎖線矢印に示すように、池A
の底部水を水面側に向かって汲み上げるようになってい
る。
Below the float 2 constructed in this manner, first and second rotating blades 7 and 8 which are overwhelmingly larger than a normal submersible pump are arranged vertically. The lower first rotating blades 7 include an annular guide cylinder 7a and four blade plates 7 arranged at equal angular intervals inside the guide cylinder 7a.
b, the blades 7b are welded to the rotating shaft 3a of the motor 3, and the first rotating blade 7 is rotated by the driving of the motor 3. Further, as shown in FIG. 3A, each of the blade plates 7b is rotated at an angle of 45 degrees with respect to the rotating shaft 3b.
a, when the first rotary blade 7 rotates, as shown by the one-dot chain line arrow in FIG.
The bottom water is pumped toward the water surface.

【0014】一方、上位の第2回転羽根8は等角度間隔
で配置された4枚の羽根板8aで構成され、この各羽根
板8aをモータ3の回転軸3aに溶着しており、モータ
3の駆動により回転するようになっている。また、この
各羽根板8aは図3の(b)に示すように90度(回転軸
3aに平行)の角度で回転軸3aに溶着された垂直羽根
となっており、これにより、第2回転羽根8が回転する
とき、図4の2点鎖線矢印に示すように、第1回転羽根
7で汲み上げられた水が水循環装置1の周囲に向かって
押し出されるようになっている。
On the other hand, the upper second rotating blade 8 is composed of four blades 8a arranged at equal angular intervals, and each of the blades 8a is welded to the rotating shaft 3a of the motor 3, It is designed to rotate by the drive of. Each of the blade plates 8a is a vertical blade welded to the rotation shaft 3a at an angle of 90 degrees (parallel to the rotation shaft 3a) as shown in FIG. When the blades 8 rotate, the water pumped up by the first rotary blades 7 is pushed out toward the periphery of the water circulation device 1 as shown by a two-dot chain line arrow in FIG.

【0015】次に、本実施形態に係る水循環装置1を用
いて行う池Aの水循環作用について説明する。
Next, a water circulation operation of the pond A performed by using the water circulation device 1 according to the present embodiment will be described.

【0016】まず、水循環装置1を係留用のロープ6で
池Aの所定箇所に係留する。その後、外部電源からモー
タ3に給電してモータを駆動し、回転軸3aに固着され
た第1回転羽根7及び第2回転羽根8を毎分15回転程
度の低速で上から見て反時計回りに回転させる。この第
1回転羽根7の回転により図4の1点鎖線矢印に示すよ
うに竜巻状の水流ができ、底部水が水面に向かって汲み
上げられ、更に第2回転羽根8の回転により、この汲み
上げられた底部水が図4の2点鎖線矢印に示すように水
循環装置1の周方向に押し出される。従って、本実施形
態によれば、池Aの底部水が広範囲に循環するため、例
えば直径30m〜50mの池Aにあってもモータ出力
0.09kwの水循環装置1を2基所定箇所に配置する
ことにより、池A全体の水循環を行うことができる。
First, the water circulating device 1 is moored at a predetermined location of the pond A by a mooring rope 6. Thereafter, power is supplied to the motor 3 from an external power supply to drive the motor, and the first rotating blade 7 and the second rotating blade 8 fixed to the rotating shaft 3a are rotated counterclockwise as viewed from above at a low speed of about 15 revolutions per minute. Rotate to. By the rotation of the first rotary blade 7, a tornado-like water flow is formed as shown by the one-dot chain line arrow in FIG. The bottom water is pushed out in the circumferential direction of the water circulation device 1 as shown by a two-dot chain arrow in FIG. Therefore, according to the present embodiment, since the bottom water of the pond A circulates in a wide range, for example, even in the pond A having a diameter of 30 m to 50 m, two water circulating devices 1 having a motor output of 0.09 kW are arranged at predetermined positions. Thereby, water circulation of the entire pond A can be performed.

【0017】図5乃至図8は本発明に係る水循環装置の
第2実施形態を示すもので、図5は水循環装置の一例を
示す側面図、図6は水循環装置の他の例を示す側面図、
図7は他の例に係る水循環装置の要部を示す平面図、図
8は池の水の循環を示す説明図である。
FIGS. 5 to 8 show a second embodiment of the water circulation device according to the present invention. FIG. 5 is a side view showing an example of the water circulation device, and FIG. 6 is a side view showing another example of the water circulation device. ,
FIG. 7 is a plan view showing a main part of a water circulation device according to another example, and FIG. 8 is an explanatory diagram showing circulation of water in a pond.

【0018】まず、図5に示す水循環装置10を説明す
る。この水循環装置10はフロート2の下面に直流電源
11の陽極側に接続した環状のアルミニウム板12を固
着する一方、第2回転羽根8をスチールにて形成したも
のである。この実施形態によれば、アルミニウム板12
及び第2回転羽根8に直流電圧を印加することにより、
陽極側のアルミニウム板12からAl+3イオンが溶出す
るとともに水のOH-イオンと反応して水酸化アルミニ
ウム(Al(OH)3)が生成される。
First, the water circulation device 10 shown in FIG. 5 will be described. The water circulation device 10 has a structure in which an annular aluminum plate 12 connected to the anode side of a DC power supply 11 is fixed to the lower surface of the float 2 while the second rotating blades 8 are formed of steel. According to this embodiment, the aluminum plate 12
And by applying a DC voltage to the second rotating blade 8,
Al +3 ions elute from the aluminum plate 12 on the anode side and react with OH - ions of water to produce aluminum hydroxide (Al (OH) 3 ).

【0019】次に、図6及び図7に示す水循環装置20
を説明する。この水循環装置20はモータ3の回転軸3
aの下端にベアリング21を介して絶縁性の電極取付部
材22を固定する一方、この電極取付部材22をフロー
ト2から延びる保持アーム23で固定した構造となって
いる。また、この電極取付部材22には図7に示すよう
にアルミニウム板24とスチール板25とを対向させた
一対の電極が4方向に設置されている。この実施形態に
よれば、アルミニウム板24及びスチール板25に直流
電圧を印加することにより、前記水循環装置10と同様
に陽極側のアルミニウム板24からAl+3イオンが溶出
するとともに水のOH-イオンと反応して水酸化アルミ
ニウム(Al(OH)3)が生成される。
Next, the water circulation device 20 shown in FIGS.
Will be described. The water circulating device 20 includes a rotating shaft 3 of the motor 3.
A structure is such that an insulating electrode mounting member 22 is fixed to the lower end of a through a bearing 21, and the electrode mounting member 22 is fixed by a holding arm 23 extending from the float 2. As shown in FIG. 7, a pair of electrodes in which an aluminum plate 24 and a steel plate 25 face each other are installed on the electrode mounting member 22 in four directions. According to this embodiment, by applying a DC voltage to the aluminum plate 24 and the steel plate 25, Al +3 ions are eluted from the aluminum plate 24 on the anode side as in the case of the water circulation device 10, and OH - ions of water are added. And aluminum hydroxide (Al (OH) 3 ) is produced.

【0020】このように水循環装置10,20は何れも
水酸化アルミニウムを生成し、この水酸化アルミニウム
は微細な粘土質や微生物の死骸などの懸濁物質等を凝集
する凝集性を有するため、この水循環装置10,20を
池Aに配置するときは、図8に示すように、底部水に含
まれる微細な粘土質等が凝集され、ブロックBとなって
池等の底に沈殿する。これにより、微細な粘土質等の浮
遊に伴う水質汚濁を防止できる。ここで、各水循環装置
10,20のその他の構成、作用は前記第1実施形態に
係る水循環装置1と同様になっている。
As described above, both of the water circulation devices 10 and 20 produce aluminum hydroxide, which has a cohesive property of coagulating suspended substances such as fine clayey materials and dead bodies of microorganisms. When the water circulation devices 10 and 20 are arranged in the pond A, as shown in FIG. 8, fine clay and the like contained in the bottom water are aggregated and settled as a block B on the bottom of the pond and the like. As a result, water pollution caused by floating fine clay or the like can be prevented. Here, other configurations and operations of the water circulation devices 10 and 20 are the same as those of the water circulation device 1 according to the first embodiment.

【0021】なお、前記各実施形態では第1回転羽根7
の羽根角度が45度になっているが、水を汲み上げるこ
とができるものであれば、この角度に限るものではな
い。また、第2回転羽根8の羽根角度を90度になって
いるが、水を周方向に押し出すことができれば多少傾斜
したものでも良い。
In each of the above embodiments, the first rotating blade 7
Is 45 degrees, but the angle is not limited to this as long as it can pump water. Further, the blade angle of the second rotary blade 8 is 90 degrees, but may be slightly inclined as long as water can be pushed out in the circumferential direction.

【0022】[0022]

【発明の効果】以上説明したように、請求項1の発明に
よれば、第1回転羽根及び第2回転羽根が回転すると
き、池等の底部水が、第1回転羽根により水面側に向か
って汲み上げられ、更に、この汲み上げられた底部水が
第2回転羽根により周方向に押し出されるため、池等の
底部水が広範囲に亘って循環する。従って、少ない台数
で水域面積の大きな池等を効率良く浄化できる。
As described above, according to the first aspect of the present invention, when the first rotating blade and the second rotating blade rotate, bottom water of a pond or the like is directed toward the water surface by the first rotating blade. The bottom water that has been pumped is further pushed out in the circumferential direction by the second rotating blades, so that the bottom water such as a pond circulates over a wide range. Therefore, a large number of ponds or the like having a large water area can be efficiently purified with a small number.

【0023】請求項2の発明によれば、一対の電極に直
流電圧を印加することにより、水酸化アルミニウムが生
成され、この水酸化アルミニウムの凝集性により、底部
水に含まれる微細な粘土質等が凝集され、ブロック状と
なって池等の底に沈殿するため、微細な粘土質等の浮遊
に伴う水質汚濁を防止できる。
According to the second aspect of the present invention, by applying a DC voltage to the pair of electrodes, aluminum hydroxide is generated, and due to the cohesiveness of the aluminum hydroxide, fine clay or the like contained in the bottom water is formed. Is agglomerated and becomes a block and precipitates at the bottom of a pond or the like, so that water pollution due to floating of fine clay or the like can be prevented.

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

【図1】第1実施形態に係る水循環装置の斜視図FIG. 1 is a perspective view of a water circulation device according to a first embodiment.

【図2】第1実施形態に係る第1回転羽根及び第2回転
羽根を示す平面図
FIG. 2 is a plan view showing a first rotating blade and a second rotating blade according to the first embodiment.

【図3】第1実施形態に係る第1回転羽根及び第2回転
羽根の配置状態を示す側面図
FIG. 3 is a side view showing an arrangement state of a first rotating blade and a second rotating blade according to the first embodiment.

【図4】第1実施形態に係る水循環装置を用いたときの
池の水循環を示す説明図
FIG. 4 is an explanatory diagram showing water circulation in a pond when the water circulation device according to the first embodiment is used.

【図5】第2実施形態に係る水循環装置の一例を示す側
面図
FIG. 5 is a side view showing an example of a water circulation device according to a second embodiment.

【図6】第2実施形態に係る水循環装置の他の例を示す
側面図
FIG. 6 is a side view showing another example of the water circulation device according to the second embodiment.

【図7】第2実施形態の他の例に係る水循環装置の要部
を示す平面図
FIG. 7 is a plan view showing a main part of a water circulation device according to another example of the second embodiment.

【図8】第2実施形態に係る水循環装置を用いたときの
池の水循環を示す説明図
FIG. 8 is an explanatory diagram showing water circulation in a pond when the water circulation device according to the second embodiment is used.

【符号の説明】[Explanation of symbols]

1,10,20…水循環装置、2…フロート、3…モー
タ、7…第1回転羽根、8…第2回転羽根、A…池。
1, 10, 20: water circulation device, 2: float, 3: motor, 7: first rotating blade, 8: second rotating blade, A: pond.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI F04D 13/00 C02F 1/46 102 29/24 (58)調査した分野(Int.Cl.7,DB名) C02F 7/00 C02F 3/14 - 3/26 C02F 1/00 F04D 13/00 - 13/16 F04D 29/18 - 29/24 B01F 3/08 - 3/10 ──────────────────────────────────────────────────の Continuation of the front page (51) Int.Cl. 7 identification code FI F04D 13/00 C02F 1/46 102 29/24 (58) Investigated field (Int.Cl. 7 , DB name) C02F 7/00 C02F 3/14-3/26 C02F 1/00 F04D 13/00-13/16 F04D 29/18-29/24 B01F 3/08-3/10

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 水に浮上するフロートと、該フロートの
下方に上下に配置された第1回転羽根及び第2回転羽根
とを有し、該各回転羽根を回転駆動する水循環装置であ
って、 下位の前記第1回転羽根は回転により水を汲み上げるよ
う斜め方向に延在した傾斜羽根を有し、上位の前記第2
回転羽根は該第1回転羽根で汲み上げられた水を回転に
より周方向に押し出すよう略垂直方向に延びる垂直羽根
を有することを特徴とする水循環装置。
1. A water circulation device having a float that floats on water, and a first rotating blade and a second rotating blade disposed vertically below the float, and each of the rotating blades is driven to rotate, The lower first rotating blade has an inclined blade extending in an oblique direction so as to pump up water by rotation, and the upper second rotating blade is provided.
The water circulation device, wherein the rotary blade has a vertical blade extending in a substantially vertical direction so as to extrude water pumped in the first rotary blade in a circumferential direction by rotation.
【請求項2】 前記フロートの下方には直流電圧が印加
される一対の電極を有し、該電極の陽極側にはアルミニ
ウム板を配置し、該電極の陰極側には通電性の良好な金
属板を配置したことを特徴とする請求項1記載の水循環
装置。
2. A pair of electrodes to which a DC voltage is applied is provided below the float, an aluminum plate is disposed on an anode side of the electrodes, and a metal having good conductivity is disposed on a cathode side of the electrodes. The water circulation device according to claim 1, wherein a plate is arranged.
JP32434996A 1996-12-04 1996-12-04 Water circulation device Expired - Lifetime JP3169340B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32434996A JP3169340B2 (en) 1996-12-04 1996-12-04 Water circulation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32434996A JP3169340B2 (en) 1996-12-04 1996-12-04 Water circulation device

Publications (2)

Publication Number Publication Date
JPH10156382A JPH10156382A (en) 1998-06-16
JP3169340B2 true JP3169340B2 (en) 2001-05-21

Family

ID=18164795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32434996A Expired - Lifetime JP3169340B2 (en) 1996-12-04 1996-12-04 Water circulation device

Country Status (1)

Country Link
JP (1) JP3169340B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5704928B2 (en) * 2011-01-11 2015-04-22 株式会社環境測定サービス Water circulation device
SK6569Y1 (en) * 2012-03-16 2013-11-04 Univ Tech Kosiciach Process for blue-greens disposal in standing waters and a device for performing thereof
KR101655239B1 (en) * 2015-10-27 2016-09-07 김주헌 Underwater subsidence mixer
CN111744684B (en) * 2019-03-28 2022-06-03 中国石油天然气集团有限公司 Electrochemical air flotation tubular cyclone separator, separation method and application

Also Published As

Publication number Publication date
JPH10156382A (en) 1998-06-16

Similar Documents

Publication Publication Date Title
US6634626B2 (en) Horizontal surface aerator
AU697641B2 (en) Apparatus for treating liquids
JP3169340B2 (en) Water circulation device
WO1988005764A1 (en) Centrifugal bio-contactor apparatus
KR20180095973A (en) high performance water circulation apparatus using solar
KR101569916B1 (en) Device for circulating Water using a wind power energy
CN219885796U (en) Device capable of preventing sludge at front end of secondary sedimentation tank from sedimentation
JPH10323672A (en) Waste water treatment device
JP2005296850A (en) Low speed stirrer
KR101122053B1 (en) Water treatment apparatus
CN107487872A (en) A kind of Mechanical aerator
CN208120928U (en) A kind of restoration of the ecosystem equipment that can increase interior circulation
CN111617658B (en) Submersible mixer
JP2003181267A (en) Agitation apparatus of sewage treating tank
KR100290563B1 (en) Wastewater purification device using water pressure
KR101914496B1 (en) Solar Powered Oxygen Supplying and Circulating System Equipped with Horizontal Impeller
CN111606430B (en) High-efficient dive mixer
CN210559669U (en) Oxygen-increasing aeration device
JP4230023B2 (en) Low speed carrier floating machine
JP2002018475A (en) Aerator
CN219732134U (en) Silt cleaning device
JPH0534799Y2 (en)
CN219709267U (en) Sewage treatment equipment of vibrating mixing reinforced anaerobic system
US3423077A (en) Adjustable weir
CN219156570U (en) Aeration machine

Legal Events

Date Code Title Description
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

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

Free format text: PAYMENT UNTIL: 20080316

Year of fee payment: 7

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

Free format text: PAYMENT UNTIL: 20090316

Year of fee payment: 8

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

Free format text: PAYMENT UNTIL: 20090316

Year of fee payment: 8

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

Free format text: PAYMENT UNTIL: 20100316

Year of fee payment: 9

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

Free format text: PAYMENT UNTIL: 20100316

Year of fee payment: 9

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

Free format text: PAYMENT UNTIL: 20110316

Year of fee payment: 10

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

Free format text: PAYMENT UNTIL: 20120316

Year of fee payment: 11

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

Free format text: PAYMENT UNTIL: 20130316

Year of fee payment: 12

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

Free format text: PAYMENT UNTIL: 20130316

Year of fee payment: 12

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

Free format text: PAYMENT UNTIL: 20140316

Year of fee payment: 13

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

EXPY Cancellation because of completion of term