JPH03270798A - Water area purifying apparatus - Google Patents
Water area purifying apparatusInfo
- Publication number
- JPH03270798A JPH03270798A JP2070250A JP7025090A JPH03270798A JP H03270798 A JPH03270798 A JP H03270798A JP 2070250 A JP2070250 A JP 2070250A JP 7025090 A JP7025090 A JP 7025090A JP H03270798 A JPH03270798 A JP H03270798A
- Authority
- JP
- Japan
- Prior art keywords
- water
- pipe
- aerator
- pumping
- water area
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 238000005276 aerator Methods 0.000 claims abstract description 14
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000004062 sedimentation Methods 0.000 claims description 7
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 239000010865 sewage Substances 0.000 abstract 1
- 238000005273 aeration Methods 0.000 description 12
- 239000007787 solid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000555745 Sciuridae Species 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は汚濁した湖沼、河川、池、堀等の水域を効果的
に浄化する装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an apparatus for effectively purifying polluted water bodies such as lakes, rivers, ponds, and moats.
湖沼、河川、池、堀等汚濁の進んだ水域の浄化には汚水
に凝集剤を添加し、汚水中の藻類等の有機物、汚砂等の
無機微細粒子等を凝集させて浄化している。To purify highly polluted water bodies such as lakes, rivers, ponds, and moats, flocculants are added to wastewater to coagulate organic matter such as algae and inorganic fine particles such as sludge in the wastewater.
凝集された固形物には無ｍ質のみならず有機質も多量に
混在しているが、従来は凝集した固形物を水域底部に沈
澱した状態となっている。The flocculated solids contain a large amount of not only amorphous substances but also organic substances, but conventionally the flocculated solids are settled at the bottom of the water body.
このため凝集固形物中の藻類等の微細有機質は嫌気性発
酵をして再び汚ぺ源となる。従って、この凝集沈澱した
固形物を水域から回収することが望ましいにもかかわら
ず、その回収が困ガなものとなっており、回収設備が大
型化されている。Therefore, fine organic matter such as algae in the flocculated solids undergoes anaerobic fermentation and becomes a source of pollution again. Therefore, although it is desirable to recover the coagulated and precipitated solids from water bodies, recovery has become difficult and recovery equipment has become larger.
本発明は曝気機による供給空気の一部を右動に活用し、
エヤリフト効果にて水域内の水を揚水し、次の処理装置
へ導いて浄化を効果的に行うことを目的とする。The present invention utilizes a part of the air supplied by the aerator for right movement,
The purpose is to use the air lift effect to pump up water in a body of water and guide it to the next treatment device for effective purification.
本発明は上記目的を達成するためになしたもので、自吸
式８１気機と、この曝気機に隣接され、曝気機にて微細
気泡を混合された水をエヤリフト作用にて揚水せしめる
集合ダクト付揚水管と、この曝気機、揚水管に隣接し、
水域に浮遊させた処理装置とより成り、曝気した汚濁水
をエヤリフト作用にて揚水し、処理装置へ導き、所望の
処理を施すことを要旨とする。The present invention has been made to achieve the above object, and includes a self-priming 81 air machine and a collection duct that is adjacent to the aerator and lifts water mixed with fine bubbles in the aerator by an air lift action. The attached lift pipe and this aerator are adjacent to the lift pipe.
It consists of a treatment device suspended in a body of water, and the gist is to lift aerated polluted water using an airlift, guide it to the treatment device, and perform the desired treatment.
自吸式曝気機の運転により水域内に吹き込まれた無数の
微細気泡の一部を利用して水域内に生じるエヤリフトを
集合ダクトにて集合させ、揚水管内を揚水させ、これを
曝気機に隣接し、水域内に浮遊する処理装置へ導き、こ
こで凝集あるいは生物処理をして凝集固形物を除去し、
処理水を再び水域へ戻すようにする。これにより簡易な
装置で凝集固形物の除去を行う。By using some of the countless microbubbles blown into the water area by the operation of the self-priming aerator, the airlift generated in the water area is collected in a collection duct, and the water is pumped up in the water pumping pipe, which is then placed adjacent to the aeration machine. The solids are then guided to a treatment device floating in a body of water, where they undergo flocculation or biological treatment to remove flocculated solids.
The treated water will be returned to the water body. This allows removal of aggregated solids with a simple device.
以下本発明を図示の実施例にもとづいて説明する。 The present invention will be explained below based on the illustrated embodiments.
図においてＡは曝気揚水手段で、これは自吸式曝気撹拌
機１と集合ダクト４を下端に備えた揚水管５とより成る
。自吸式曝気撹拌機１は油圧又は電動式の水中モータ（
図示せず）に直結した中空軸先端に曝気撹拌に適した形
状のスクリュー３を固定し、反出力軸側端には通気管２
を接続する。この通気管２の先端は大気に開口し、これ
によりスクリュー３を回動させることにより水域内の水
を撹拌して水流を発生せしめると共に、スクリュー先端
ゾーンにて負圧が発生する。この負圧にて中空軸内の空
気は吸引されることになり、大気中の空気を水域内へし
かも微細気泡として混合放出せしめるものである。In the figure, A is an aeration pumping means, which consists of a self-priming aeration stirrer 1 and a pumping pipe 5 having a collection duct 4 at its lower end. The self-priming aeration agitator 1 is equipped with a hydraulic or electric submersible motor (
A screw 3 with a shape suitable for aeration and agitation is fixed to the tip of a hollow shaft directly connected to the
Connect. The tip of this vent pipe 2 is open to the atmosphere, and by rotating the screw 3, the water in the water area is stirred to generate a water flow, and a negative pressure is generated in the screw tip zone. The air inside the hollow shaft is sucked by this negative pressure, and the air in the atmosphere is mixed and released into the water body as fine bubbles.
この曝気機ｌは水域底部に設置又は可徹式に設けられる
基台６上に固定されると共に、この基台６には揚水管５
もステーを介して支持される。揚水管５の下端にはスク
Ｉ／ニーの回動にて発生する気泡が混合された水を集合
せしめる集合ダクト４を傘を拡げた状態にして一体に設
け、揚水管の上端はこのｑ！気揚水手段ＡＩ：隣接され
る処理装置Ｂ又はＣの槽へ導くようになっている。この
ためスクリューの回動にて水域内に吹き込まれた微細気
泡は上昇する。この微細気泡が最も多く上昇する位置に
配置された傘状の集合ダクト４にて集められ、揚水管内
を上昇する。This aerator 1 is fixed on a base 6 installed or removable at the bottom of the water area, and this base 6 has a water pump 5.
is also supported via a stay. At the lower end of the lifting pipe 5, a collecting duct 4 for collecting water mixed with air bubbles generated by the rotation of the squirrel/knee is integrally installed with an expanded umbrella. Air pumping means AI: Guides the water to the tank of the adjacent treatment equipment B or C. Therefore, the fine bubbles blown into the water area by the rotation of the screw rise. These microbubbles are collected in an umbrella-shaped collection duct 4 disposed at a position where the largest number of bubbles rise, and ascend within the pumping pipe.
この時、気泡の上昇は周囲の水にも作用し、エヤリフト
効果が発生し、水と空気との混合状態となって上昇すな
わち揚水され、処理装置へ給水される。この処理装置は
第３図、第４図の実施例では凝集沈＃装置Ｂとした。こ
の凝集沈澱処理装置Ｂは所要の面積及び容積をもつ偏平
箱状の凝集沈澱槽８にフロート７を配設し、槽全体を水
域水面に浮遊するようになし、かつこの浮遊位置がｌＩ
Ｉ気揚水手段Ａと相対位置を常に保持できるよう繋留索
Ｗにて水域底部に繋留されると共に、槽内部を仕切板に
て揚水が供給される始端側に第１段、第２段等１乃至複
数段の混和室１１．１１を連通して形成し、槽上部に設
けた凝集剤貯留タンク１０より供給ポンプ等を介して適
量をこの混和室１１内へ供給し、ここで揚水された水に
凝固剤を混合し、フロックが生成される。その後、この
混和室に連通される傾斜沈澱板９を有する槽内へ導き、
ここでフロックをさらに凝集沈澱せしめ、槽内底に凝固
物を沈降させ分離せしめる。上澄水を槽の端部より越流
させて再び水域内へ戻すものである。この槽の上部には
必要に応じ遮光蓋が施されると共に、底は勾配がついて
いるので沈降したフロックはこの勾配にそって沈澱ホッ
パー側へ導がれ、このホッパー内に溜まる。一定期間経
過後、この沈澱物を排泥口より引き抜き、水域外へ排泥
する。なおこの時、−旦槽内を排水した後、再度揚水を
供給するとこの水で槽内が洗い流されるようにすれば、
沈澱底板に残留している沈澱物も残留することなく効率
よく引き抜き排出することができる。At this time, the rise of the bubbles also acts on the surrounding water, creating an air lift effect, which creates a mixed state of water and air, which rises, or is pumped up, and is supplied to the treatment equipment. This processing apparatus was designated as flocculation sedimentation apparatus B in the embodiments shown in FIGS. 3 and 4. This coagulation sedimentation treatment device B has a float 7 arranged in a flat box-shaped coagulation sedimentation tank 8 having a required area and volume, so that the entire tank floats on the water surface of the water body, and the floating position is lI
It is moored to the bottom of the water area with a mooring cable W so that the relative position with the water pumping means A can always be maintained, and the first stage, second stage, etc. A plurality of mixing chambers 11.11 are formed in communication, and an appropriate amount is supplied into this mixing chamber 11 via a supply pump etc. from a flocculant storage tank 10 provided at the top of the tank, and the water pumped here is A coagulant is mixed with the mixture to form flocs. Thereafter, the mixture is introduced into a tank having an inclined sedimentation plate 9 communicating with the mixing chamber,
Here, the flocs are further coagulated and precipitated, and the coagulated material is settled to the bottom of the tank and separated. The supernatant water is allowed to overflow from the end of the tank and returned to the water area. The upper part of this tank is provided with a light-shielding lid if necessary, and since the bottom is sloped, the settled flocs are guided along this slope to the settling hopper side and accumulate in this hopper. After a certain period of time, this sediment is pulled out from the mud draining port and drained out of the water area. At this time, after draining the tank, if pumped water is supplied again, the tank will be flushed with this water.
The sediment remaining on the sediment bottom plate can also be efficiently pulled out and discharged without remaining.
第５図、第６図のものは処理装置Ｃとして生物接触酸化
処理を行うもので、所要の大きさの生物接触酸化槽１２
を繋留索で所定位置に繋留し、槽内に接触材１３を収納
し、揚水管より供給される水を槽内での接触材に付着し
た微生物の作用にて所要の酸化処理を行なわしめる。The ones shown in Figs. 5 and 6 perform biological contact oxidation treatment as treatment equipment C, and are equipped with a biological contact oxidation tank 12 of the required size.
is tethered to a predetermined position with a tethering cable, the contact material 13 is housed in a tank, and the water supplied from the pumping pipe is subjected to necessary oxidation treatment by the action of microorganisms attached to the contact material in the tank.
なお、この槽１２にも必要に応じて遮光蓋を設ける。こ
の処理装置でも槽内で所望の生物接触酸化処理すなわち
有機物やチッ素処理を行った後の上澄処理水は槽より越
流させて水域へ戻し、循環処理にて効率的に処理を行う
ものである。Note that this tank 12 is also provided with a light-shielding lid if necessary. In this treatment device, the supernatant treated water after the desired biological catalytic oxidation treatment, that is, organic matter and nitrogen treatment in the tank, is allowed to overflow from the tank and returned to the water area, and is efficiently processed through circulation treatment. It is.
なお、本発明によるエヤリフトポンプは次のような論理
式がある。The air lift pump according to the present invention has the following logical formula.
あ る。be.
Ｈｓ ＝ ５００關としてＨ： ３３３ｍ（６＝ ０．
６として）７．２ ＫＷ相当の曝気、撹拌装置の供給Ａ
ｉｒ量は１−７分、 この１／３がエヤリフトポンプに
利用されるため、
（１）式より
ここにＱａ： Ａ ｉ ｒ量
Ｑ：揚水量
Ｈ：揚程（ｍ）
Ｈ８：浸水深さ（ｍ）
ｈＱ：全損失水頭（ｍ）
又、ポンプ効率を高める一般式として（２）式が４２２
ｍ’／時
２５３０ｍ１７日
〔発明の効果〕
本発明によるときは、曝気、撹拌を同時に行える曝気機
による水中への供給空気の一部を有効に活用してエヤリ
フトにより水域内の水を揚水し、これを水域外に設けた
処理装置で所望の処理をした後、水域へ戻すように水を
循環せしめ、凝集物のみを水域外で除去できるため、水
域の浄化が効果的に行える利点を有する。Assuming Hs = 500 degrees, H: 333m (6 = 0.
6) Supply A of aeration and stirring equipment equivalent to 7.2 KW
The ir amount is 1-7 minutes, and 1/3 of this is used for the air lift pump, so from equation (1), Qa: A ir amount Q: Pumping amount H: Lifting head (m) H8: Submersion depth (m) hQ: Total head loss (m) In addition, as a general formula for increasing pump efficiency, formula (2) is 422
m'/hour 2530 m 17 days [Effects of the Invention] According to the present invention, water in a water area is pumped up by an air lift by effectively utilizing a part of the air supplied to the water by an aerator that can perform aeration and stirring at the same time. After the water is subjected to the desired treatment using a treatment device installed outside the water area, the water is circulated back into the water area, and only the aggregates can be removed outside the water area, which has the advantage of effectively purifying the water area.
第１図は曝気揚水手段の正面図、第２図は同側面図、第
３図は曝気揚水手段と凝集沈澱槽とを組み合わせた実施
例の正面図、第４図は同平面図、第５図は曝気揚水手段
と生物接触酸化槽とを組み合わせた実施例の正面図、第
６図は同平面図である。
１は曝気機、２は通気管、３はスクリュー４は集合ダク
ト、５は揚水管、７はフロート、８は凝集沈澱槽、１２
は生物接触酸化槽、Ａは曝気揚水手段、Ｂ、 Ｃは処
理装置。
第１図
第２図Fig. 1 is a front view of the aeration pumping means, Fig. 2 is a side view of the same, Fig. 3 is a front view of an embodiment combining the aeration pumping means and a coagulation sedimentation tank, Fig. 4 is a plan view of the same, and Fig. 5 is a front view of the aeration pumping means. The figure is a front view of an embodiment in which an aeration pumping means and a biological contact oxidation tank are combined, and FIG. 6 is a plan view of the same. 1 is an aerator, 2 is a ventilation pipe, 3 is a screw 4 is a collecting duct, 5 is a pumping pipe, 7 is a float, 8 is a coagulation sedimentation tank, 12
is a biological contact oxidation tank, A is an aeration pumping means, and B and C are treatment equipment. Figure 1 Figure 2
Claims (3)
にて微細気泡を混合された水をエヤリフト作用にて揚水
せしめる集合ダクト付揚水管と、この曝気機，揚水管に
隣接し、水域に浮遊させた処理装置とより成り、曝気し
た汚濁水をエヤリフト作用にて揚水し、処理装置へ導き
、所望の処理を施すことを特徴とする水域浄化装置。(1) A self-priming aerator, a pumping pipe with a collection duct that is adjacent to this aerator and uses an air lift effect to lift water mixed with microbubbles in the aerator, and adjacent to this aerator and pumping pipe. A water purification device comprising a treatment device suspended in a body of water, the aerated polluted water being pumped up by an air lift action, guided to the treatment device, and subjected to desired treatment.
浄化装置。(2) The water purification device according to claim 1, wherein the treatment device is a coagulation sedimentation tank.
水域浄化装置。(3) The water purification device according to claim 1, wherein the treatment device is a biological contact oxidation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2070250A JPH03270798A (en) | 1990-03-20 | 1990-03-20 | Water area purifying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2070250A JPH03270798A (en) | 1990-03-20 | 1990-03-20 | Water area purifying apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03270798A true JPH03270798A (en) | 1991-12-02 |
Family
ID=13426128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2070250A Pending JPH03270798A (en) | 1990-03-20 | 1990-03-20 | Water area purifying apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03270798A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08505322A (en) * | 1993-02-01 | 1996-06-11 | ジェット，インコーポレイテッド | Wastewater treatment method and equipment |
| KR100360542B1 (en) * | 1999-08-05 | 2002-11-13 | 보성중공업주식회사 | method for purificationing a waste water and apparatus for performing the same |
| JP2004290863A (en) * | 2003-03-27 | 2004-10-21 | Narasaki Seisakusho:Kk | Method and apparatus for improving water quality in bottom water area |
| JP2014140834A (en) * | 2013-01-24 | 2014-08-07 | Takeshi Yoshioka | Water purifier for supplying, via a gas-liquid pump, and contact-filtering water |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6268590A (en) * | 1985-09-20 | 1987-03-28 | Hitachi Kiden Kogyo Ltd | Aeration apparatus for preventing spoilage of building drain tank |
| JPH01189394A (en) * | 1988-01-22 | 1989-07-28 | Sankyo Yuki Kk | Lake or pond water cleaning device |
-
1990
- 1990-03-20 JP JP2070250A patent/JPH03270798A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6268590A (en) * | 1985-09-20 | 1987-03-28 | Hitachi Kiden Kogyo Ltd | Aeration apparatus for preventing spoilage of building drain tank |
| JPH01189394A (en) * | 1988-01-22 | 1989-07-28 | Sankyo Yuki Kk | Lake or pond water cleaning device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08505322A (en) * | 1993-02-01 | 1996-06-11 | ジェット，インコーポレイテッド | Wastewater treatment method and equipment |
| KR100360542B1 (en) * | 1999-08-05 | 2002-11-13 | 보성중공업주식회사 | method for purificationing a waste water and apparatus for performing the same |
| JP2004290863A (en) * | 2003-03-27 | 2004-10-21 | Narasaki Seisakusho:Kk | Method and apparatus for improving water quality in bottom water area |
| JP2014140834A (en) * | 2013-01-24 | 2014-08-07 | Takeshi Yoshioka | Water purifier for supplying, via a gas-liquid pump, and contact-filtering water |
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