JPH07117792A - Water area purifying device - Google Patents

Water area purifying device

Info

Publication number
JPH07117792A
JPH07117792A JP28863793A JP28863793A JPH07117792A JP H07117792 A JPH07117792 A JP H07117792A JP 28863793 A JP28863793 A JP 28863793A JP 28863793 A JP28863793 A JP 28863793A JP H07117792 A JPH07117792 A JP H07117792A
Authority
JP
Japan
Prior art keywords
propeller
water
water area
air
bubbles
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.)
Withdrawn
Application number
JP28863793A
Other languages
Japanese (ja)
Inventor
Akira Oshima
明 大島
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP28863793A priority Critical patent/JPH07117792A/en
Publication of JPH07117792A publication Critical patent/JPH07117792A/en
Withdrawn legal-status Critical Current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

  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

PURPOSE:To enable purifying operation over a wide water area by a j movable device/and reduce necessary energy in a device to purify the water area by supplying microscopic bubbles underwater. CONSTITUTION:In an underwater sailing object 7 to receive supply of motive power or compressed air from the land or a base ship 1, microscopic bubbles 11 to purify a water area are created by an air nozzle which is arranged in a propeller blade of the propeller 10 and has a large number of microscopic holes, and the microscopic bubbles are efficiently sprayed by centrifugal force caused by rotation of the propeller 10.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、水中へ微小気泡を供給
して水域の浄化を行なうための装置に関し、特に海洋牧
場における海水循環装置やエアレーション装置として使
用するのに適した水域浄化装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for supplying minute bubbles into water to purify a water area, and more particularly to a water area purification device suitable for use as a seawater circulation device or an aeration device in an ocean ranch. .

【0002】[0002]

【従来の技術】一般に、湖沼や港湾の汚染の原因として
は、水底付近の水の動きが少なくて水中の溶存酸素が少
なく、水底の汚染物質を分解するバクテリア等の活動が
妨げられることが考えられる。その対策として従来は、
図3に示すように、水を上下方向に対流させ、酸素の多
い水面28の近くの水を水底に送りこむ手段が採用されて
いる。すなわち、従来の水域浄化装置では、揚水筒本体
21,浮力体22,係止装置23,下部空気室24,送気管25お
よび空気圧縮機26が装備されており、これにより揚水筒
本体21の内部で空気塊27を水面28へ向け浮上させるよう
になっている。そして、上述の装置を用いることによ
り、湖沼や貯水池などのよどんだ水の浄化が行なわれる
ている。
2. Description of the Related Art Generally, the cause of pollution in lakes and harbors is that the movement of water near the bottom of the water is small and the amount of dissolved oxygen in the water is small, which hinders the activities of bacteria and the like that decompose pollutants on the bottom of the water. To be Conventionally, as a countermeasure,
As shown in FIG. 3, there is adopted a means for causing convection of water in the vertical direction and sending water near the water surface 28 rich in oxygen to the water bottom. That is, in the conventional water purification device,
It is equipped with 21, a buoyant body 22, a locking device 23, a lower air chamber 24, an air supply pipe 25 and an air compressor 26, so that the air lump 27 is floated toward the water surface 28 inside the water pump body 21. It has become. Then, by using the above-mentioned device, the stagnant water such as lakes and reservoirs is purified.

【0003】[0003]

【発明が解決しようとする課題】ところで前述のような
従来の装置は固定式で、しかも浄化できる面積が限られ
るために、広い湖沼や港湾を浄化するには、多数の装置
が必要になり、また、水を対流させるためには大きなエ
ネルギーが必要になるという問題点がある。本発明は、
このような問題点の解消をはかろうとするもので、移動
可能の装置で広い水域にわたり浄化作用を行なえるよう
にするとともに、所要エネルギーの節減をはかれるよう
にした水域浄化装置を提供することを目的とする。
By the way, since the conventional device as described above is of a fixed type and has a limited area for purification, a large number of devices are required to purify a wide lake or harbor. In addition, there is a problem that a large amount of energy is required to convect water. The present invention is
In order to solve such problems, it is necessary to provide a water purification device that enables a portable device to perform a purification action over a wide water area and at the same time reduce the required energy. To aim.

【0004】[0004]

【課題を解決するための手段】上述の目的を達成するた
め、本発明の水域浄化装置は、プロペラと同プロペラを
回転させるプロペラ駆動装置とをそなえた水中航走体に
おいて、上記プロペラのプロペラ翼表面に開口し水域浄
化用微小気泡を噴出させるための多数の微小孔を有する
エアノズルが設けられるとともに、同エアノズルへ圧縮
空気を供給する空気供給路が設けられ、母船または陸上
から上記のプロペラ駆動装置へ動力を供給する動力供給
ラインと、上記の母船または陸上から上記空気供給路へ
接続された圧縮空気供給ラインとが設けられたことを特
徴としている。
In order to achieve the above object, a water purification apparatus of the present invention is a submersible vehicle equipped with a propeller and a propeller drive device for rotating the propeller, and a propeller blade of the propeller. An air nozzle having a large number of fine holes for ejecting fine bubbles for purifying the water area is provided on the surface, and an air supply path for supplying compressed air to the air nozzle is provided, and the propeller drive device from the mother ship or land is provided. A power supply line for supplying power to the air and a compressed air supply line connected to the air supply path from the mother ship or land are provided.

【0005】[0005]

【作用】上述の本発明の水域浄化装置では、水中航走体
がそのプロペラを回転駆動されることにより航走し、プ
ロペラが回転するとプロペラ翼の表面に水の流れが生じ
るので、同プロペラ翼の表面に開口するポーラス板のご
ときエアノズルの微小孔から吹き出す気泡に上記水の流
れが剪断力として作用し、微小気泡をつくるようにな
る。そしてプロペラの回転による遠心力の作用と水中航
走体の前進とにより広範囲に微小気泡が散布されるよう
になる。
In the above-mentioned water purification apparatus of the present invention, the underwater vehicle is driven by the rotation of the propeller, and when the propeller rotates, water flows on the surface of the propeller blade. The flow of water acts as a shearing force on the bubbles blown out from the minute holes of the air nozzle, such as a porous plate opening on the surface of, to form minute bubbles. Then, due to the action of centrifugal force due to the rotation of the propeller and the forward movement of the underwater vehicle, fine air bubbles are scattered over a wide range.

【0006】[0006]

【実施例】以下図面により本発明の一実施例について説
明すると、図1はその概略構成を模式的に示す立面図、
図2はその要部の詳細構造を示す断面図である。図1に
示すように、水面に浮く母船としての台船1上に発電機
駆動装置2と、同装置2により駆動される発電機3とが
装備されるほか、同発電機3から電力により作動するエ
アコンプレッサー4が装備されており、台船1と水中航
走体7とは動力供給ラインとしての電力ケーブル5と圧
縮空気供給ラインとしての通気ホース6とで結ばれてい
る。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an elevational view schematically showing its schematic construction.
FIG. 2 is a cross-sectional view showing the detailed structure of the main part. As shown in FIG. 1, a generator drive device 2 and a generator 3 driven by the generator 2 are installed on a base ship 1 as a mother ship floating on the water surface, and the generator drive device 3 operates by electric power. The berth 1 and the underwater vehicle 7 are connected by a power cable 5 as a power supply line and a ventilation hose 6 as a compressed air supply line.

【0007】水中航走体7には、プロペラ駆動装置とし
てのモーター8が内蔵されるとともに、同モーター8に
プロペラ軸9を介して接続されたプロペラ10が装着され
ている。そして発電機3から電力ケーブル5を介してモ
ーター8へ電力の供給が行なわれるようになっており、
またエアコンプレッサー4の空気吐出口は通気ホース6
を介して水中航走体7内の空気供給路6aへ接続されて
いる。図2に示すように、プロペラ軸9の後端部には、
プロペラ10がボスキャップ12を介し固定されている。そ
してプロペラ軸9の外側に外軸16があり、同外軸16はそ
の内部に通気路17を有している。
The underwater vehicle 7 incorporates a motor 8 as a propeller driving device and a propeller 10 connected to the motor 8 via a propeller shaft 9. Then, electric power is supplied from the generator 3 to the motor 8 through the electric power cable 5,
The air discharge port of the air compressor 4 is a ventilation hose 6
Is connected to the air supply path 6a in the underwater vehicle 7. As shown in FIG. 2, at the rear end of the propeller shaft 9,
The propeller 10 is fixed via a boss cap 12. An outer shaft 16 is provided outside the propeller shaft 9, and the outer shaft 16 has a ventilation passage 17 therein.

【0008】通気路17は各プロペラ翼13の内部を通り、
プロペラ翼13の表面に開口した多数の微小孔を有するエ
アノズルとしてのポーラス板19に達している。外軸16
は、固定ビス18でプロペラ10のボスキャップ12に固定さ
れるとともに、軸受14で回転可能に支持されている。そ
して通気路17は空気供給路6aに空気室20を介して接続
されており、空気室20は空気を漏らさないようにオイル
シール15をそなえている。
The air passage 17 passes through the inside of each propeller blade 13,
It reaches a porous plate 19 as an air nozzle having a large number of minute holes opened on the surface of the propeller blade 13. Outer shaft 16
Is fixed to the boss cap 12 of the propeller 10 with a fixing screw 18 and is rotatably supported by a bearing 14. The ventilation passage 17 is connected to the air supply passage 6a via an air chamber 20, and the air chamber 20 is provided with an oil seal 15 so as not to leak air.

【0009】本発明の水域浄化装置は上述のように構成
されているので、水中航走体7がそのプロペラ10をモー
ター8により回転駆動されることにより航走し、またエ
アコンプレッサー4からの圧縮空気が、通気ホース6,
空気供給路6a,空気室20および通気路17を経由してポ
ーラス板19に供給され、同ポーラス板19の微小孔を通じ
水中へ吹き出すようになる。
Since the water purification apparatus of the present invention is constructed as described above, the underwater vehicle 7 travels when its propeller 10 is rotationally driven by the motor 8 and the compression from the air compressor 4 is performed. The air is the ventilation hose 6,
It is supplied to the porous plate 19 via the air supply path 6a, the air chamber 20 and the ventilation path 17, and is blown into the water through the minute holes of the porous plate 19.

【0010】その際、プロペラ10が回転するのに伴いプ
ロペラ翼13の表面に水の流れが生じるので、同プロペラ
翼13の表面に開口するポーラス板19の微小孔から吹き出
す気泡に上記水の流れが剪断力として作用し、微小気泡
11をつくるようになる。そしてプロペラ10の回転による
遠心力の作用と水中航走体7の前進とにより広範囲に微
小気泡11が散布されるようになる。
At this time, as the propeller 10 rotates, a flow of water is generated on the surface of the propeller blade 13, so that the flow of the water is generated in the bubbles blown out from the fine holes of the porous plate 19 opening on the surface of the propeller blade 13. Acts as a shearing force, and micro bubbles
I will make 11. Then, due to the action of centrifugal force due to the rotation of the propeller 10 and the forward movement of the underwater vehicle 7, the fine bubbles 11 are scattered over a wide range.

【0011】このようにして、本装置によれば、水中航
走体7を移動させながら広い水域にわたって微小気泡11
を散布し水中の溶存酸素量を増加させることが可能にな
り、これにより水底の汚染物質を分解するバクテリア等
の活動が促進されるようになって、効率のよい水域浄化
作用が行なわれるのであり、従来の装置のような水中で
の上下方向における水の対流作用が不要になるので、所
要エネルギーの節減にも寄与することができる。
In this way, according to this device, the microbubbles 11 are spread over a wide water area while moving the underwater vehicle 7.
It becomes possible to increase the amount of dissolved oxygen in water by sprinkling water, which promotes the activities of bacteria and other substances that decompose pollutants on the bottom of the water, thus providing an efficient water purification effect. Since the convection action of water in the vertical direction in water unlike the conventional device is unnecessary, it is possible to contribute to the saving of required energy.

【0012】なお、本実施例の装置では、水中航走体7
への動力や圧縮空気の供給が母船としての台船1から行
なわれるようになっているが、これらの供給を陸上から
行なうようにしてもよい。また、台船1にも推進装置を
設けて、同台船1を水中航走体7と併走させるようにし
てもよい。
In the apparatus of this embodiment, the underwater vehicle 7
Power and compressed air are supplied to the ship from the pontoon 1 as a mother ship, but these supplies may be supplied from land. Further, a propulsion device may be provided on the pontoon 1 so that the pontoon 1 and the underwater vehicle 7 can run in parallel.

【0013】[0013]

【発明の効果】以上詳述したように、本発明の水域浄化
装置によれば次のような効果が得られる。 (1) プロペラ翼に開口するエアノズルから微小気泡を発
生させながら水中航走体を航走させることにより、広い
水域にわたり効率のよい水域浄化作用を行なうことがで
きる。 (2) 水中航走体の推進のためのプロペラが水域浄化用微
小気泡を噴出させるための多数の微小孔をそなえている
ので、微小気泡の生成が的確に行なわれ、またプロペラ
の回転作動時の遠心力と水中航走体の前進とにより微小
気泡の散布を効率よく行なうことができる。 (3) 浄化すべき水域の水の対流作用を必要としないの
で、浄化作用に要するエネルギーを大幅に節減すること
ができる。
As described in detail above, the water area purifying apparatus of the present invention has the following effects. (1) By propelling an underwater vehicle while generating minute bubbles from an air nozzle that opens to a propeller blade, an efficient water purification effect can be achieved over a wide water area. (2) Since the propeller for propelling the underwater vehicle has a large number of micropores for ejecting microbubbles for purifying the water area, the microbubbles are generated accurately and when the propeller rotates. By the centrifugal force and the forward movement of the underwater vehicle, it is possible to efficiently disperse the fine bubbles. (3) Since the convection action of water in the water area to be purified is not required, the energy required for the purification action can be significantly reduced.

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

【図1】本発明の一実施例としての水域浄化装置の全体
構成を模式的に示す立面図である。
FIG. 1 is an elevational view schematically showing the overall configuration of a water purification device as one embodiment of the present invention.

【図2】図1の装置における水中航走体の要部の詳細を
示す断面図である。
FIG. 2 is a cross-sectional view showing details of a main part of an underwater vehicle in the device of FIG.

【図3】従来の水域浄化装置の一例を示す縦断面図であ
る。
FIG. 3 is a vertical sectional view showing an example of a conventional water purification apparatus.

【符号の説明】[Explanation of symbols]

1 台船 2 発電機駆動装置 3 発電機 4 エアコンプレッサー 5 電力ケーブル 6 通気ホース 6a 空気供給路 7 水中航走体 8 モーター(プロペラ駆動装置) 9 プロペラ軸 10 プロペラ 11 微小気泡 12 ボスキャップ 13 プロペラ翼 14 軸受 15 オイルシール 16 外軸 17 通気路 18 固定ビス 19 ポーラス板(エアノズル) 20 空気室 1 Ship 2 Generator drive 3 Generator 4 Air compressor 5 Electric power cable 6 Vent hose 6a Air supply path 7 Underwater vehicle 8 Motor (Propeller drive) 9 Propeller shaft 10 Propeller 11 Micro bubbles 12 Boss cap 13 Propeller blades 14 Bearing 15 Oil seal 16 Outer shaft 17 Ventilation passage 18 Fixing screw 19 Porous plate (air nozzle) 20 Air chamber

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 プロペラと同プロペラを回転させるプロ
ペラ駆動装置とをそなえた水中航走体において、上記プ
ロペラのプロペラ翼表面に開口し水域浄化用微小気泡を
噴出させるための多数の微小孔を有するエアノズルが設
けられるとともに、同エアノズルへ圧縮空気を供給する
空気供給路が設けられ、母船または陸上から上記のプロ
ペラ駆動装置へ動力を供給する動力供給ラインと、上記
の母船または陸上から上記空気供給路へ接続された圧縮
空気供給ラインとが設けられたことを特徴とする、水域
浄化装置。
1. A submersible vehicle having a propeller and a propeller drive device for rotating the propeller, having a large number of micropores opened on a propeller blade surface of the propeller for ejecting microbubbles for purifying a water region. An air nozzle is provided, and an air supply path for supplying compressed air to the air nozzle is provided, a power supply line for supplying power to the propeller drive device from the mother ship or land, and the air supply path from the mother ship or land. And a compressed air supply line connected to the water purification apparatus.
JP28863793A 1993-10-25 1993-10-25 Water area purifying device Withdrawn JPH07117792A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28863793A JPH07117792A (en) 1993-10-25 1993-10-25 Water area purifying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28863793A JPH07117792A (en) 1993-10-25 1993-10-25 Water area purifying device

Publications (1)

Publication Number Publication Date
JPH07117792A true JPH07117792A (en) 1995-05-09

Family

ID=17732750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28863793A Withdrawn JPH07117792A (en) 1993-10-25 1993-10-25 Water area purifying device

Country Status (1)

Country Link
JP (1) JPH07117792A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019232657A1 (en) * 2018-06-05 2019-12-12 Miranda Agueero Manuel System for robotic recovery from the bottom of an aquatic area by means of oxygen nanoparticles
CN112875879A (en) * 2021-01-20 2021-06-01 安徽省水利水电勘测设计研究总院有限公司 Mobile underwater aeration device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019232657A1 (en) * 2018-06-05 2019-12-12 Miranda Agueero Manuel System for robotic recovery from the bottom of an aquatic area by means of oxygen nanoparticles
CN112875879A (en) * 2021-01-20 2021-06-01 安徽省水利水电勘测设计研究总院有限公司 Mobile underwater aeration device

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