JP3337367B2 - River purification equipment - Google Patents

River purification equipment

Info

Publication number
JP3337367B2
JP3337367B2 JP10251096A JP10251096A JP3337367B2 JP 3337367 B2 JP3337367 B2 JP 3337367B2 JP 10251096 A JP10251096 A JP 10251096A JP 10251096 A JP10251096 A JP 10251096A JP 3337367 B2 JP3337367 B2 JP 3337367B2
Authority
JP
Japan
Prior art keywords
air
river
aeration
arms
water
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
JP10251096A
Other languages
Japanese (ja)
Other versions
JPH09285798A (en
Inventor
智博 伊藤
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 JP10251096A priority Critical patent/JP3337367B2/en
Publication of JPH09285798A publication Critical patent/JPH09285798A/en
Application granted granted Critical
Publication of JP3337367B2 publication Critical patent/JP3337367B2/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
    • 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)

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、河川浄化装置に関
する。
[0001] The present invention relates to a river purification device.

【0002】[0002]

【従来の技術】従来の河川浄化装置について、図2及び
図3により説明する。図2に示す従来の装置は、特開平
07−112195にて開示されたものであり、堰10
2の上流と下流の水頭差で水中水車駆動ポンプ101を
駆動し、このポンプ101により河川aの水を揚水し、
この水を堤防dの斜面に設置した浄化装置に送り、装置
内の礫104中を流下させる。
2. Description of the Related Art A conventional river purification apparatus will be described with reference to FIGS. The conventional apparatus shown in FIG. 2 is disclosed in Japanese Patent Application Laid-Open No.
The submersible turbine drive pump 101 is driven by the head difference between the upstream and downstream of the pump 2, and the pump 101 pumps up the water of the river a,
This water is sent to a purification device installed on the slope of the embankment d, and flows down the gravels 104 in the device.

【0003】これによって河川水に空気を混合し、溶存
酸素を増加させ、水質改善を行うものであった。すなわ
ち、水のエネルギーを用いてポンプ101を駆動し、河
川水に空気を混合して水質の改善を行うというものであ
る。
[0003] Thus, air is mixed with river water to increase dissolved oxygen and improve water quality. That is, the pump 101 is driven using the energy of water to mix air with river water to improve water quality.

【0004】図3に示す従来の装置は、特開平7−22
2995にて開示されたものであり、河川床に散気孔1
70が設けられた散気管130を配し、これに空気供給
源150から配管140を通じて空気を送り込み、河川
水に空気を混合し、水質改善を行うものであった。
[0004] The conventional apparatus shown in FIG.
2995, and a diffused hole 1 in the riverbed.
An air diffuser 130 provided with 70 is provided, air is sent from an air supply source 150 through a pipe 140, and air is mixed with river water to improve water quality.

【0005】空気混合により河川水を浄化する考え方は
前記と同じであり、流れ全体にわたって曝気を行うこと
ができる点では、図2に示すものよりもすぐれている
が、空気供給源150となるエネルギー源が必要であっ
た。
The idea of purifying river water by air mixing is the same as described above, and is superior to that shown in FIG. 2 in that aeration can be performed over the entire flow. Source needed.

【0006】[0006]

【発明が解決しようとする課題】従来の装置において、
図2に示すものの場合は、河川中に新たに堰を設ける必
要があり、また、堰による水の落差を利用するものであ
ってエネルギーの利用効率が悪く、更に、十分な水量の
曝気が期待できなかった。
SUMMARY OF THE INVENTION In a conventional device,
In the case of the one shown in Fig. 2, it is necessary to provide a new weir in the river, and it uses the head of the weir to lower the energy use efficiency, and furthermore, it is expected that a sufficient amount of water is aerated. could not.

【0007】図3に示すものの場合は、空気供給源を駆
動するための電源が必要であり、ランニングコストがか
さみ、設置場所の制約が大きく、更に、運搬には不適当
なものであった。本発明は、上記の課題を解決しようと
するものである。
In the case shown in FIG. 3, a power supply for driving the air supply source is required, the running cost is increased, the installation place is largely restricted, and the apparatus is unsuitable for transportation. The present invention seeks to solve the above problems.

【0008】[0008]

【課題を解決するための手段】請求項1に記載の発明に
係る河川浄化装置は、それぞれの側壁に複数の孔が設け
られそれぞれの中心軸を垂直方向とし水流と直交する方
向に並べられて水面下に配設される1対の曝気円筒体、
同曝気円筒体が下端にそれぞれ懸架される1対のアー
ム、同それぞれのアームの上端の間に設けられそのピス
トンロッド部分とシリンダ部分がそれぞれのアームの上
端にピン結合され上記それぞれの曝気円筒体内に連通す
る空気用配管が接続される空気ポンプ、上記それぞれの
アームの中央部が軸受を介して貫通され水平方向に配設
される1対の軸、および同それぞれの軸の端部が結合さ
れる支持部を備えたことを特徴としている。
According to a first aspect of the present invention, there is provided a river purification apparatus in which a plurality of holes are provided in each side wall, and each of the side walls is arranged in a direction perpendicular to a water flow with a central axis of the hole being vertical. A pair of aerated cylinders disposed below the water surface,
A pair of arms each of which is suspended at a lower end thereof, provided between upper ends of the respective arms, a piston rod portion and a cylinder portion thereof are pin-connected to upper ends of the respective arms, and the respective aerated cylinders are provided. An air pump to which an air pipe communicating with the air pump is connected, a pair of shafts arranged in a horizontal direction with the center of each of the arms penetrating through a bearing, and the ends of the shafts are connected. And a supporting portion.

【0009】上記において、1対の曝気円筒体を水流と
直交する方向に並べて河川の流水中に浸漬させると、そ
れぞれの曝気円筒体は自励振動を生じ、それぞれが逆位
相で振動する。
In the above description, when a pair of aerated cylinders are arranged in a direction perpendicular to the water flow and immersed in flowing water of a river, each aerated cylinder generates self-excited vibration, and vibrates in opposite phases.

【0010】上記それぞれの曝気円筒体の振動は、アー
ムに伝達されてそれぞれのアームの上端部が開閉運動を
行い、この開閉運動は空気ポンプに伝達されてこれを駆
動し、同ポンプは間欠的に空気を排出し、空気用配管を
介してそれぞれの曝気円筒体内に供給する。
[0010] The vibrations of the respective aeration cylinders are transmitted to the arms, and the upper ends of the respective arms perform opening and closing movements. The opening and closing movements are transmitted to and drive the air pump, and the pump is intermittent. The air is discharged into each of the aeration cylinders via the air pipe.

【0011】それぞれの曝気円筒体内に供給された空気
は、曝気円筒体の側壁に設けられた複数の孔より流水中
に気泡となって吹き出し、流水と混合して河川の浄化を
行う。
The air supplied into each of the aeration cylinders is blown out as bubbles into flowing water from a plurality of holes provided on the side wall of the aeration cylinder, and is mixed with the flowing water to purify the river.

【0012】本発明においては、曝気円筒体の水流によ
る自励振動を利用して空気ポンプを駆動するため、電源
を必要とせず、電源がないところでも使用可能であり、
騒音が少なく、運用コストが安く、取扱いが容易で、良
好な河川浄化が可能な装置を実現する。
In the present invention, the air pump is driven by utilizing self-excited vibration of the aeration cylinder by the water flow, so that no power supply is required and the apparatus can be used even without a power supply.
To realize a device that has low noise, low operation cost, easy handling, and good river purification.

【0013】[0013]

【発明の実施の形態】本発明の実施の一形態に係る河川
浄化装置について、図1(a),(b)により説明す
る。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A river purifier according to one embodiment of the present invention will be described with reference to FIGS. 1 (a) and 1 (b).

【0014】図1(a),(b)において、1は中心軸
を上下方向とし水の流れ4に対して直交する方向に2個
並べて水面13より下に配設される曝気円筒体であり、
側壁に気泡3を吹き出す多数の孔2が設けられている。
5はそれぞれの下端に上記それぞれの曝気円筒体1が吊
り下げられたアームであり、それぞれの中央部がそれぞ
れの軸受6を介してそれぞれの軸16により支持されて
いる。
In FIGS. 1 (a) and 1 (b), reference numeral 1 denotes an aeration cylinder which is disposed below a water surface 13 by arranging two in the direction perpendicular to the water flow 4 with the central axis in the vertical direction. ,
A large number of holes 2 for blowing out bubbles 3 are provided on the side wall.
Reference numeral 5 denotes an arm having the aeration cylinder 1 suspended from the lower end thereof, and the center of each arm is supported by a shaft 16 via a bearing 6.

【0015】7はばねであり、上記それぞれのアーム5
の下側部分の間に接続されている。9は空気ポンプであ
り、そのピストンロッド部分とシリンダ部分が上記それ
ぞれのアーム5の上端とピンジョイント8により連結さ
れており、この空気ポンプ9が排出する空気は空気用配
管10を介して上記それぞれの曝気円筒体1内に送り込
まれる。
Reference numeral 7 denotes a spring.
Connected between the lower parts of the Reference numeral 9 denotes an air pump, the piston rod portion and the cylinder portion of which are connected to the upper end of each of the arms 5 by a pin joint 8. The air discharged by the air pump 9 is transmitted through an air pipe 10 to each of the air pumps. Into the aeration cylinder 1.

【0016】11は台12上に配設された4本の支柱で
ある。14はこの支柱11上に搭載された2本の軸支持
梁であり、2本の中間梁15が結合され、上記2本の軸
16が結合されている。なお、上記支柱11、台12、
軸支持梁14及び中間梁15は、支持部を形成してい
る。
Reference numeral 11 denotes four columns provided on the table 12. Numeral 14 denotes two shaft supporting beams mounted on the column 11, two intermediate beams 15 are connected, and the two shafts 16 are connected. In addition, the said support | pillar 11, the stand 12,
The shaft support beam 14 and the intermediate beam 15 form a support.

【0017】上記において、本実施形態に係る河川浄化
装置を図1に示すように河川に設置し、曝気円筒体1を
流水中に浸漬させると、それぞれの曝気円筒体1は次式
(1)により示される条件を満足する場合に自励振動を
生じ、それぞれが逆位相で振動する。
In the above, when the river purification device according to the present embodiment is installed in a river as shown in FIG. 1 and the aeration cylinders 1 are immersed in running water, each of the aeration cylinders 1 has the following formula (1) When self-excited vibrations are satisfied when the conditions represented by are satisfied, they vibrate in opposite phases.

【0018】 V/fD≧K(mδ/ρD2 1/2 ………………………………(1) ここに、Vは川の流速、fは曝気円筒体1の固有振動
数、Dは曝気円筒体1の直径、Kは定数、mは曝気円筒
体1の単位長さ当たりの質量、δは曝気円筒体1の対数
減衰率、ρは川の水の密度である。
V / fD ≧ K (mδ / ρD 2 ) 1/2 (1) where V is the flow velocity of the river, and f is the natural vibration of the aerated cylindrical body 1. The number, D is the diameter of the aeration cylinder 1, K is a constant, m is the mass per unit length of the aeration cylinder 1, δ is the logarithmic decay rate of the aeration cylinder 1, and ρ is the density of water in the river.

【0019】従って、曝気円筒体1を設置する場所の河
川の流速をあらかじめ測定し、ばね7の支持ばね定数や
減衰係数を調整することにより、自励振動を発生させる
ことができる。
Accordingly, self-excited vibration can be generated by measuring the flow velocity of the river at the place where the aeration cylinder 1 is installed and adjusting the supporting spring constant and the damping coefficient of the spring 7 in advance.

【0020】上記それぞれの曝気円筒体1が発生する逆
位相の振動は、それぞれのアーム5に伝達されてそれぞ
れのアーム5の先端が開閉運動を行い、その開閉運動は
空気ポンプ9に伝達されて空気ポンプ9のピストンロッ
ド部分とシリンダ部分とに対向した往復運動を行わせ
る。
The opposite-phase vibrations generated by the aeration cylinders 1 are transmitted to the respective arms 5, and the ends of the respective arms 5 perform opening and closing movements. The opening and closing movements are transmitted to the air pump 9. A reciprocating motion is made to oppose the piston rod portion and the cylinder portion of the air pump 9.

【0021】この往復運動により空気ポンプ9が間欠的
に排出する空気は、空気用配管10を介してそれぞれの
曝気円筒体1内に供給され、曝気円筒体1の側壁に設け
られた多数の孔2より気泡3を吹き出し、この気泡3が
流水と混合して河川の浄化が行われる。
The air that is intermittently discharged by the air pump 9 due to the reciprocating motion is supplied into the respective aeration cylinders 1 through the air pipes 10, and a number of holes provided in the side walls of the aeration cylinder 1 are provided. Air bubbles 3 are blown out from the air bubbles 2, and the air bubbles 3 are mixed with flowing water to purify the river.

【0022】本実施形態においては、曝気円筒体の水流
による自励振動を利用して空気ポンプを駆動し、流水中
に気泡を吹き出させるため、運用コストを安く、電源が
ないところでも河川の浄化を行うことができ、コンプレ
ッサ等による騒音もなく、取扱いが容易な装置を実現し
た。なお、河川の幅によりその設置台数を増減させるこ
ともできる。
In this embodiment, the air pump is driven by utilizing self-excited vibration of the aeration cylinder by the water flow to blow air bubbles into the flowing water, so that the operation cost is low and the river is purified even without power supply. And a device that is easy to handle without noise from a compressor or the like. The number of the rivers can be increased or decreased according to the width of the river.

【0023】[0023]

【発明の効果】本発明の河川浄化装置は、側壁に複数の
孔が設けられ水流と直交する方向に並べて水面下に配設
される1対の曝気円筒体と、それぞれの曝気円筒体が懸
架される1対のアームと、同それぞれのアームの上端に
ピストンロッド部分とシリンダ部分がそれぞれピン結合
されて上記アームにより駆動され上記それぞれの曝気円
筒体内に空気を供給する空気ポンプと、上記それぞれの
アームの中央部が軸受を介して貫通される1対の軸の両
端が結合される支持部を備えたことによって、曝気円筒
体の水流による自励振動を利用して空気ポンプを駆動す
るため、電源を必要とせず、電源がないところでも使用
可能であり、騒音が少なく、運用コストが安く、取扱い
が容易で、良好な河川浄化が可能な装置を実現する。
According to the river purifying apparatus of the present invention, a pair of aeration cylinders provided below the water surface with a plurality of holes provided in a side wall and arranged in a direction perpendicular to the water flow, and each of the aeration cylinders is suspended. A pair of arms, a piston rod portion and a cylinder portion which are respectively pin-connected to the upper ends of the respective arms, and are driven by the arms to supply air into the respective aeration cylinders; Since the central portion of the arm has a supporting portion to which both ends of a pair of shafts penetrated through bearings are connected, the air pump is driven by using self-excited vibration by the water flow of the aeration cylinder, A device that does not require a power source, can be used even without a power source, has low noise, has low operation costs, is easy to handle, and can purify rivers well is realized.

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

【図1】本発明の実施の一形態に係る河川浄化装置の説
明図で、(a)は正面図、(b)は平面図である。
FIG. 1 is an explanatory view of a river purification device according to an embodiment of the present invention, wherein (a) is a front view and (b) is a plan view.

【図2】従来の河川浄化装置の一例の説明図で、(a)
は平面図、(b)は側面図である。
FIG. 2 is an explanatory view of an example of a conventional river purification device, in which (a)
Is a plan view, and (b) is a side view.

【図3】従来の河川浄化装置の他の例の説明図で、
(a)は正面図、(b)は斜視図である。
FIG. 3 is an explanatory view of another example of the conventional river purification device,
(A) is a front view, (b) is a perspective view.

【符号の説明】[Explanation of symbols]

1 曝気円筒体 2 孔 3 気泡 4 流れ 5 アーム 6 軸受 7 ばね 8 ピンジョイント 9 空気ポンプ 10 空気用配管 11 支柱 12 台 13 水面 14 軸支持梁 15 中間梁 16 軸 DESCRIPTION OF SYMBOLS 1 Aeration cylinder 2 Hole 3 Bubbles 4 Flow 5 Arm 6 Bearing 7 Spring 8 Pin joint 9 Air pump 10 Air piping 11 Posts 12 Units 13 Water surface 14 Shaft support beam 15 Intermediate beam 16 Axle

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) C02F 7/00 C02F 3/20 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 7 , DB name) C02F 7/00 C02F 3/20

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 それぞれの側壁に複数の孔が設けられそ
れぞれの中心軸を垂直方向とし水流と直交する方向に並
べられて水面下に配設される1対の曝気円筒体、同曝気
円筒体が下端にそれぞれ懸架される1対のアーム、同そ
れぞれのアームの上端の間に設けられそのピストンロッ
ド部分とシリンダ部分がそれぞれのアームの上端にピン
結合され上記それぞれの曝気円筒体内に連通する空気用
配管が接続される空気ポンプ、上記それぞれのアームの
中央部が軸受を介して貫通され水平方向に配設される1
対の軸、および同それぞれの軸の端部が結合される支持
部を備えたことを特徴とする河川浄化装置。
1. A pair of aeration cylinders arranged below a water surface, each of which has a plurality of holes formed in each side wall, each having a central axis set in a vertical direction, and arranged in a direction orthogonal to a water flow. Is provided between a pair of arms respectively suspended at lower ends thereof, and air is provided between upper ends of the respective arms, and a piston rod portion and a cylinder portion are pin-connected to upper ends of the respective arms and communicate with the respective aeration cylinders. Pump, to which a pipe for connection is connected, the central part of each of the above-mentioned arms being pierced through a bearing and disposed horizontally.
A river purification apparatus comprising: a pair of shafts; and a support portion to which ends of the shafts are coupled.
JP10251096A 1996-04-24 1996-04-24 River purification equipment Expired - Fee Related JP3337367B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10251096A JP3337367B2 (en) 1996-04-24 1996-04-24 River purification equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10251096A JP3337367B2 (en) 1996-04-24 1996-04-24 River purification equipment

Publications (2)

Publication Number Publication Date
JPH09285798A JPH09285798A (en) 1997-11-04
JP3337367B2 true JP3337367B2 (en) 2002-10-21

Family

ID=14329389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10251096A Expired - Fee Related JP3337367B2 (en) 1996-04-24 1996-04-24 River purification equipment

Country Status (1)

Country Link
JP (1) JP3337367B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107619103A (en) * 2017-10-27 2018-01-23 河海大学 A kind of tipping bucket type power-assisted is aerated Ecosystem restoration system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008188578A (en) * 2007-01-31 2008-08-21 Uerushii:Kk Portable water purification system and apparatus therefor driven by power available on site
CN103224296B (en) * 2013-04-25 2015-01-07 辽阳博仕流体设备有限公司 Air-supply-type self-excited oscillation pulse jet aerator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107619103A (en) * 2017-10-27 2018-01-23 河海大学 A kind of tipping bucket type power-assisted is aerated Ecosystem restoration system
CN107619103B (en) * 2017-10-27 2020-02-18 河海大学 Tipping bucket formula helping hand aeration ecological remediation system

Also Published As

Publication number Publication date
JPH09285798A (en) 1997-11-04

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