JPS5949071B2 - Waste liquid treatment equipment - Google Patents

Waste liquid treatment equipment

Info

Publication number
JPS5949071B2
JPS5949071B2 JP53091818A JP9181878A JPS5949071B2 JP S5949071 B2 JPS5949071 B2 JP S5949071B2 JP 53091818 A JP53091818 A JP 53091818A JP 9181878 A JP9181878 A JP 9181878A JP S5949071 B2 JPS5949071 B2 JP S5949071B2
Authority
JP
Japan
Prior art keywords
waste liquid
filter
flotation separator
liquid
liquid treatment
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
Application number
JP53091818A
Other languages
Japanese (ja)
Other versions
JPS5518278A (en
Inventor
耕造 金森
政男 松岡
宏一 堀川
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP53091818A priority Critical patent/JPS5949071B2/en
Publication of JPS5518278A publication Critical patent/JPS5518278A/en
Publication of JPS5949071B2 publication Critical patent/JPS5949071B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Physical Water Treatments (AREA)
  • Filtration Of Liquid (AREA)

Description

【発明の詳細な説明】 本発明は廃液処理装置に関する。[Detailed description of the invention] The present invention relates to a waste liquid treatment device.

従来から廃液中の不純物を微細気泡により捕捉し浮上さ
せて排除できるようにした所謂浮上分離方法を利用した
廃液浄化装置が存し、例えば含油廃水の処理、廃液中の
発泡性物質の除去、浮遊物質の除去等に適用されている
Conventionally, there have been waste liquid purification devices that utilize the so-called flotation separation method, which allows impurities in waste liquid to be captured by microbubbles and removed by floating them. It is applied to the removal of substances, etc.

従来の廃液浄化装置では、廃液処理槽内に設けた器体内
に加圧気体の溶解液を供給し、該器体内に廃液を供給し
、浮上分離を行なわせるものであるが、しかしか・る装
置では加圧気体の溶解液との混合が充分に行なわれず、
浮遊物質等の浮上分離が充分に行なわれない欠点があっ
た。
In conventional waste liquid purification equipment, a pressurized gas solution is supplied into a vessel installed in a waste liquid treatment tank, and the waste liquid is supplied into the vessel to perform flotation separation. The pressurized gas was not mixed sufficiently with the solution in the device,
There was a drawback that the flotation separation of suspended solids etc. was not carried out sufficiently.

又従来の廃液処理装置では、浮上分離だけでは処理液中
に浮上しきれない浮遊物質が若干なりとも残存すること
があるので、処理液を再度砂泥材等により沢過すること
が多く行なわれてきた。
In addition, in conventional waste liquid treatment equipment, there may be some residual suspended solids that cannot be floated into the treated liquid by flotation separation alone, so the treated liquid is often passed through sand and mud again. It's here.

しかし濾過を行なう場合は炉材に目詰りを生ずるので時
々逆洗を施す必要があるが、逆洗を行なうには廃液処理
装置の運転を一時停止しなければならないため、廃液処
理の効率が低下する欠点があった。
However, when performing filtration, it clogs the furnace material, so it is necessary to perform backwashing from time to time. However, backwashing requires temporarily stopping the operation of the waste liquid treatment equipment, which reduces the efficiency of waste liquid treatment. There was a drawback.

本発明は上記の欠点を解消し、良質の処理液を連続して
安定的に得ることができる廃液処理装置を提供すること
を目的とするものである。
It is an object of the present invention to provide a waste liquid treatment apparatus which can eliminate the above-mentioned drawbacks and can continuously and stably obtain a high quality treatment liquid.

本発明の要旨は、廃液と加圧気体の溶解液の混合液を浮
上させて前記気体の微細気泡を発生させるようになした
浮上分離器が廃液処理槽内に設けられ、該浮上分離器の
周囲に沖過器が設置されており、該濾過器の炉材と近接
して炉材洗浄器が設けられ、該炉材洗浄器は吸引ポンプ
の作動により濾過器内のP液を吸収し、該沢液を浮上分
離器内に還流させるようになされていることを特徴とす
る、廃液処理装置に存する。
The gist of the present invention is that a flotation separator is provided in a waste liquid treatment tank and is configured to float a mixture of a waste liquid and a pressurized gas solution to generate microbubbles of the gas. An offshore filter is installed around the filter, a furnace material washer is provided adjacent to the furnace material of the filter, and the furnace material washer absorbs the P liquid in the filter by the operation of a suction pump, The waste liquid treatment apparatus is characterized in that the slush liquid is refluxed into a flotation separator.

次に本発明廃液処理装置の一例を図面を参照しなか゛ら
説明する。
Next, an example of the waste liquid treatment apparatus of the present invention will be explained without reference to the drawings.

本発明廃液処理装置は台所、炊事場等からの生活廃水、
含油廃水、その他有機質又は無機質の微細浮遊物質を含
有する廃液の処理に使用して好適である。
The waste liquid treatment device of the present invention treats domestic waste water from kitchens, kitchens, etc.
It is suitable for use in treating oil-containing wastewater and other wastewater containing organic or inorganic finely suspended substances.

1は廃液処理槽、2は浮上分離器、3は濾過器である。1 is a waste liquid treatment tank, 2 is a flotation separator, and 3 is a filter.

廃液処理槽1の底部に浮上分離器2が設置される。A flotation separator 2 is installed at the bottom of the waste liquid treatment tank 1 .

浮上分離器2は廃液と加圧気体の溶解液の混合液に旋回
流を付与し、該混合液を浮上させて前記気体の微細気泡
を発生させるものである。
The flotation separator 2 applies a swirling flow to a mixed liquid of waste liquid and a pressurized gas solution, floats the mixed liquid, and generates fine bubbles of the gas.

加圧気体は、液体に溶解するものであればよいから種類
を問わないが、加圧空気を使用するのが経済性の点から
最適である。
The pressurized gas may be of any type as long as it dissolves in the liquid, but it is optimal to use pressurized air from the economic point of view.

廃液及び加圧気体の溶解液の混合液に旋回流を付与する
ことにより、廃液と加圧気体の溶解液との接触が充分に
行なわれることになり、又浮上分離器2から出て廃液処
理槽1の上方へ浮上する混合液は槽内全体に拡がり、槽
内に滞溜する廃液と加圧気体の溶解液との接触が充分に
行なわれる。
By imparting a swirling flow to the mixture of the waste liquid and the pressurized gas solution, sufficient contact between the waste liquid and the pressurized gas solution is made, and the waste liquid is discharged from the flotation separator 2 for waste liquid treatment. The mixed liquid floating upward in the tank 1 spreads throughout the tank, and the waste liquid accumulated in the tank and the pressurized gas solution are brought into sufficient contact.

このようにして廃液と加圧気体の溶解液の接触が槽内金
体に及び、該溶解液が槽内を上昇するにつれて発生する
微細気泡によって廃液中の有機質又は無機質の微細浮遊
物質の浮上分離が効果的に行なわれる。
In this way, the waste liquid and the pressurized gas solution come into contact with the metal body in the tank, and as the dissolved liquid rises in the tank, fine bubbles are generated to float and separate fine suspended organic or inorganic substances in the waste liquid. is carried out effectively.

か・る浮上分離器2としては、例えば器体4の上部に拡
開された開口部5が形成されてなるものが使用される。
As such a flotation separator 2, for example, one in which an enlarged opening 5 is formed in the upper part of a vessel body 4 is used.

器体4は円筒状周壁面を有しており、周壁面に略接線方
向に導管6が開口されており、導管6を通じて廃液と加
圧気体の溶解液の混合液が器体4内に導入される。
The container body 4 has a cylindrical peripheral wall surface, and a conduit 6 is opened approximately tangentially to the peripheral wall surface, and a mixture of waste liquid and pressurized gas solution is introduced into the container body 4 through the conduit 6. be done.

導管6が器体4の周壁面に略接線方向に開口されるのは
、これによって器体4内に旋回流を生せしめるためであ
る。
The reason why the conduit 6 is opened approximately tangentially to the peripheral wall surface of the vessel body 4 is to generate a swirling flow within the vessel body 4.

ここで略接線方向というのは、厳密な意味での接線方向
であることを要せず、大体接線方向とみなしうる程度の
ものを包含するためである。
The term "approximately tangential direction" as used herein does not necessarily mean a tangential direction in the strict sense, but rather includes directions that can be roughly considered as tangential directions.

又浮上分離器2の器体4の周壁面に略接線方向に開口さ
れる導管6とはパ対称的な箇所において該導管6の混合
液の導入方向とは対称的な略接線方向に導管7が開口さ
れている。
In addition, a conduit 7 is opened in a substantially tangential direction symmetrical to the direction in which the mixed liquid is introduced into the conduit 6 at a location symmetrical to the conduit 6 that opens approximately tangentially to the peripheral wall surface of the vessel body 4 of the flotation separator 2. is opened.

この導管7は濾過器3の炉材32と近接して設けられた
炉材洗浄器40内に炉材32の逆洗のために吸引された
濾過器3内の炉液を浮上分離器2内に還流させるための
ものである。
This conduit 7 carries the furnace liquid in the filter 3 sucked into the furnace material washer 40 provided close to the furnace material 32 of the filter 3 for backwashing the furnace material 32 into the flotation separator 2. This is to reflux the water.

前記導管6とは対称的な略接線方向に導管7が開口され
るのは、前記導管6から導入される混合液の旋回流を乱
すことがなく、むしろ旋回流を強めることができるよう
にするためである。
The reason why the conduit 7 is opened in a substantially tangential direction symmetrical to the conduit 6 is to avoid disturbing the swirling flow of the liquid mixture introduced from the conduit 6, but rather to strengthen the swirling flow. It's for a reason.

浮上分離器2の器体4の上部に拡開された開口部5付近
には回転翼9が設置されており、緩速で回転されるよう
になされている。
A rotary blade 9 is installed near an opening 5 expanded in the upper part of the vessel body 4 of the flotation separator 2, and is configured to rotate at a slow speed.

回転翼9は旋回流が槽内金体に広がるようにし、又前記
混合液と還流液との混合を充分に行なわせる役割を有す
る。
The rotary blades 9 have the role of spreading the swirling flow to the metal bodies in the tank and also ensuring sufficient mixing of the mixed liquid and the reflux liquid.

回転翼9の回転を緩速にするのは、浮遊物質の凝集物を
破壊することがないようにするためである。
The reason why the rotary blade 9 rotates slowly is to prevent aggregates of suspended substances from being destroyed.

回転翼9の回転軸10は、槽1の上方へ浮上した浮遊物
質を掻き集めるための集泥腕25を緩速で回転させるモ
ーター24の駆動を利用するため、直管29の下端部に
連結されている。
The rotating shaft 10 of the rotary blade 9 is connected to the lower end of the straight pipe 29 in order to utilize the drive of the motor 24 that slowly rotates the mud collection arm 25 for scraping up the suspended solids floating above the tank 1. has been done.

浮上分離器2内に前記混合液を導入するためには、例え
ば次の構成がとられる。
In order to introduce the mixed liquid into the flotation separator 2, the following configuration is adopted, for example.

11は廃液導管であり、貯槽12内に廃液を導入する。A waste liquid conduit 11 introduces waste liquid into the storage tank 12.

13.14は廃液中に含有される有機質又は無機質の浮
遊物質を凝集させるための凝集薬剤槽であり、貯槽12
内に凝集薬剤が導入され攪拌されて浮遊物質の凝集処理
が行なわれる。
13.14 is a flocculating agent tank for flocculating organic or inorganic suspended substances contained in waste liquid; storage tank 12;
A flocculating agent is introduced into the chamber and stirred to flocculate suspended solids.

貯槽12からの廃液は移流管15を通じ、貯槽16から
バルブ17を作動させることにより送られてくる加圧気
体の溶解液と混合され導管6を経て浮上分離器2の器体
4内に送り込まれる。
The waste liquid from the storage tank 12 passes through the advection pipe 15 and is mixed with the pressurized gas solution sent from the storage tank 16 by operating the valve 17, and is sent into the vessel body 4 of the flotation separator 2 via the conduit 6. .

加圧気体の溶解液を貯槽16内に送給する場合には気体
吸引用エジェクター18が加圧ポンプ19の吸込側に設
けられ、加圧ポンプ19が作動するのに応じて気体がエ
ジェクター効果によって吸引され導管20内の液体中に
加圧下に混合され、気体の一部は液体中に溶解する。
When feeding a pressurized gas solution into the storage tank 16, a gas suction ejector 18 is provided on the suction side of the pressurizing pump 19, and as the pressurizing pump 19 operates, the gas is ejected by the ejector effect. Aspirated and mixed under pressure into the liquid in conduit 20, some of the gas dissolves into the liquid.

21は導管20内に液体を送給するためのバルブである
21 is a valve for feeding liquid into the conduit 20.

導管20に送り込まれる液体は浮遊物質が除去された処
理済の清澄液であってもよく、このために槽1の外周壁
の一部に形成された清澄液槽22の底部から導管20に
連通する導管23が設けられていてもよい。
The liquid fed into the conduit 20 may be a treated clarified liquid from which suspended solids have been removed, and for this purpose, the bottom of a clarified liquid tank 22 formed in a part of the outer peripheral wall of the tank 1 is communicated with the conduit 20. A conduit 23 may also be provided.

貯槽16内の混合液に溶解しない余剰の気体は排出弁3
3を開くことにより槽外に排出できる。
Excess gas that does not dissolve in the mixed liquid in the storage tank 16 is removed by the discharge valve 3.
By opening 3, it can be discharged to the outside of the tank.

槽1内を旋回しながら槽1内を上方に浮上するにつれて
溶解していた気体の溶解度が低下し、微細気泡を生じこ
の微細気泡の浮上に伴なって廃液中の浮遊物質が槽]の
上方へ浮上する。
As it floats upward in the tank 1 while swirling in the tank 1, the solubility of the dissolved gas decreases, forming fine bubbles, and as these fine bubbles float up, suspended substances in the waste liquid float upwards in the tank. to surface.

槽1の上方では液面付近にモーター24によって緩速で
回動する集泥腕25が設けられており、浮遊物質はこの
集泥腕25によって掻き集められて、槽1内の上部に形
成された集泥室26に送り込まれ、該集泥室26から排
出管27により貯槽44に排出される。
Above the tank 1, near the liquid level, a mud collecting arm 25 is provided which is rotated slowly by a motor 24, and suspended solids are scraped up by the mud collecting arm 25 and formed at the upper part of the tank 1. It is fed into the mud collection chamber 26 and discharged from the mud collection chamber 26 to the storage tank 44 through the discharge pipe 27.

集泥腕25は例えばゴム、スポンジ等から形成され、浮
遊物質の凝集物を破壊しないようにモーター24によっ
て回転されて集泥室26の側壁を乗り越えた際に集めら
れた液面付近の浮遊物質を集泥室26に移行させるので
ある。
The mud collecting arm 25 is made of rubber, sponge, etc., and is rotated by a motor 24 so as not to destroy aggregates of suspended solids. is transferred to the mud collection chamber 26.

浮上分離により浮遊物質が除去された廃液は浮上分離器
2の周囲に設置された濾過器3によって濾過される。
The waste liquid from which suspended solids have been removed by flotation separation is filtered by a filter 3 installed around the flotation separator 2.

濾過器3は浮上分離器2の周囲に設置され、浮上分離に
より浮遊物質が除去された廃液はこの濾過器3によって
濾過される。
A filter 3 is installed around the flotation separator 2, and the waste liquid from which suspended solids have been removed by flotation separation is filtered by the filter 3.

又この場合の周囲とは周り全体に同心状に設けられる場
合に限らず、周りの一部であってもよいという意味であ
る。
Moreover, the periphery in this case does not necessarily mean that the periphery is provided concentrically around the entire periphery, but may also be a part of the periphery.

この例では濾過器3は中空筒状の胴部30が浮上分離器
2の周囲に同心状に設けられており、胴部30の外側壁
面には多数の透孔31が形成されており、更にその外側
に多数の繊維が沢過器3の胴部30の母線方向に対して
20°乃至70°の角度をなして斜方向に配設した沖材
32を有するものからなる。
In this example, the filter 3 has a hollow cylindrical body 30 provided concentrically around the flotation separator 2, and a large number of through holes 31 are formed on the outer wall surface of the body 30. On the outside thereof, a large number of fibers are arranged diagonally at an angle of 20° to 70° with respect to the generatrix direction of the body 30 of the filter 3.

炉材32によって沢過されたP液は透孔31から胴部3
0内に入り込む。
The P liquid that has passed through the furnace material 32 flows through the through hole 31 to the body 3.
Enter within 0.

繊維の方向は大部分が同方向に沢過器3の胴部30の母
線方向に対して20°乃至70°の角度をなして配設さ
れておればよい。
Most of the fibers may be arranged in the same direction at an angle of 20° to 70° with respect to the generatrix direction of the body 30 of the filter 3.

か)る繊維は、天然繊維、合成繊維、半合成繊維のいず
れでもよいが、浮上分離によって捕捉し得なかった極め
て微細な浮遊物質や廃液中の溶存物質の一部を除去する
ためのものであるから繊維の表面に繊毛を有するものが
使用される。
The fibers may be natural fibers, synthetic fibers, or semi-synthetic fibers, but they are used to remove some of the extremely fine suspended solids and dissolved substances in the waste liquid that could not be captured by flotation. Because of this, fibers with cilia on the surface are used.

沢材32の繊維が前記の角度をなして斜方向に配設され
るのは、刷毛状の洗浄具で繊維の表面に付着する浮遊物
質を除去する場合に、繊維間隙を大きく開いてしまうこ
とがないようにするためであり、これにより濾過器3の
胴部30内に浮遊物質が逆流することがないようにして
いる。
The reason why the fibers of the baffle material 32 are arranged diagonally at the above-mentioned angle is that when removing floating substances adhering to the surface of the fibers with a brush-like cleaning tool, the gaps between the fibers are wide open. This is to prevent floating substances from flowing back into the body 30 of the filter 3.

炉材32は2乃至3g/mの繊維からなり、撚糸状繊維
の場合には充填度が30乃至50本/cmが好適であり
、充填度が8乃至10本/cmであるのが好適である。
The furnace material 32 is made of fibers of 2 to 3 g/m, and in the case of twisted fibers, the filling degree is preferably 30 to 50 fibers/cm, and the filling degree is preferably 8 to 10 fibers/cm. be.

沢過器3の胴部30の上部壁面から集液管28が複数個
突設され、該集液管28は浮上分離器2の上方で集束さ
れて直管29とされ、集泥腕22を駆動させるモーター
24に接続されている。
A plurality of liquid collecting pipes 28 are protruded from the upper wall surface of the body 30 of the filter 3, and the liquid collecting pipes 28 are bundled into a straight pipe 29 above the flotation separator 2, and the slurry collecting arms 22 are connected to each other. It is connected to a motor 24 for driving.

直管29の液面よっちゃ・下方において移流孔35が設
けられている。
Advection holes 35 are provided below the liquid level of the straight pipe 29.

該移流孔35の外周に被覆管37が設けられ、該被覆管
37は下端部が該移流孔35の下方の壁面と摺動しつる
ようになされている。
A cladding tube 37 is provided around the outer periphery of the advection hole 35, and the lower end of the cladding tube 37 is adapted to slide on the lower wall surface of the advection hole 35.

被覆管37は上端部が液面上に突出しており、又該被覆
管37の壁面から移流管36が設けられ清澄液槽22に
連通されている。
The upper end of the cladding tube 37 protrudes above the liquid surface, and an advection tube 36 is provided from the wall surface of the cladding tube 37 and communicates with the clarified liquid tank 22.

被覆管37は上方が開口されていてもよいし、又直管2
9の移流孔35の上方の壁面と摺動しうるように閉塞さ
れていてもよい。
The cladding tube 37 may be open at the top, or the straight tube 2
The advection hole 35 may be closed so as to be able to slide on the upper wall surface of the advection hole 35 .

直管29と被覆管37との摺動部は、直管29の回転を
円滑に行なわせるために、ボールベアリング、含油板状
軸受は等が好適である。
The sliding portion between the straight pipe 29 and the cladding tube 37 is preferably a ball bearing, an oil-impregnated plate bearing, or the like in order to allow the straight pipe 29 to rotate smoothly.

40はP材洗浄器であり、濾過器3の炉材32と近接し
て設けられている。
Reference numeral 40 denotes a P material washer, which is provided close to the furnace material 32 of the filter 3.

炉材洗浄器40は前方が開口する筐体41からなり、動
物繊維、植物繊維、合成繊維等からなる刷毛状の洗浄具
42を備えており、該刷毛状の洗浄具42が濾過器3の
沖材32と接触されている。
The furnace material washer 40 consists of a casing 41 that is open at the front, and is equipped with a brush-like cleaning tool 42 made of animal fiber, vegetable fiber, synthetic fiber, etc. It is in contact with Okizai 32.

炉材洗浄器40がP材32と近接されているとは、接触
している状態及び僅かな間隙をおいて位置している状態
の両方を包含する意味である。
The expression that the furnace material washer 40 is in close proximity to the P material 32 includes both a state in which they are in contact with each other and a state in which they are located with a slight gap between them.

刷毛状の洗浄具42が設けられるのは、炉材32の表面
への付着物を剥落させるためである。
The brush-like cleaning tool 42 is provided to remove deposits from the surface of the furnace material 32.

筐体41から導管38が設けられ、該導管38は吸引ポ
ンプ43に連通されており、該吸引ポンプ43の作動に
より濾過器3内のP液の一部を吸引できるようにされて
いる。
A conduit 38 is provided from the casing 41, and the conduit 38 is communicated with a suction pump 43, so that a part of the P liquid in the filter 3 can be suctioned by the operation of the suction pump 43.

そして濾過器3内の涙液が筐体41内に吸引されるよう
になされているので、洗浄具42によって剥落された炉
材32への付着物が濾過器3内に入り込まず、筐体41
内に入り込んでしまい、しかもこの際槽内の水流を乱す
ことがない。
Since the lachrymal fluid inside the filter 3 is sucked into the housing 41, the deposits on the furnace material 32 peeled off by the cleaning tool 42 do not enter the filter 3, and the housing 41
In addition, it does not disturb the water flow inside the tank.

39は導管であり、筐体41内に吸引された炉液を浮上
分離器2内に還流できるようにされる。
Reference numeral 39 denotes a conduit, which allows the furnace liquid sucked into the housing 41 to flow back into the flotation separator 2.

このp液には炉材32への付着物であったものが浮遊物
質として含まれており、浮上分離器2に還流され、再度
浮上分離にかけられる。
This p-liquid contains what was attached to the furnace material 32 as floating substances, and is returned to the flotation separator 2 and subjected to flotation separation again.

このように逆洗のために沢過器3から取出されたP液は
系外に取出される必要がないものとなる。
In this way, the P liquid taken out from the filter 3 for backwashing does not need to be taken out of the system.

沖過器3と炉材洗浄器40は浮上分離器2の周囲を相対
的に回転しうるようになされている。
The offshore filter 3 and the furnace material washer 40 are configured to be relatively rotatable around the flotation separator 2.

相対的に回転しうるとは、濾過器3又は炉材洗浄具40
の少くとも一方が回転し他方が固定されている場合、両
方が同方向に異なる速度で回転する場合、両方が異方向
に回転する場合のいずれをも包含するものである。
Being able to rotate relatively means that the filter 3 or the furnace cleaning tool 40
This includes cases in which at least one of the two rotates and the other is fixed, both rotate in the same direction at different speeds, and both rotate in different directions.

図示の例では濾過器3が浮上分離器2の周囲を回転し、
炉材洗浄器40は固定されているが、この逆に沖過器3
を固定し、炉材洗浄器40を回転させる場合には例えば
濾過器3の集液管28を直接清澄液槽22に連通させ、
許材洗浄器40をモーター24に接続する構成がとられ
る。
In the illustrated example, the filter 3 rotates around the flotation separator 2,
The furnace material cleaner 40 is fixed, but on the other hand, the offshore filter 3
is fixed and the furnace material washer 40 is rotated, for example, the liquid collecting pipe 28 of the filter 3 is directly connected to the clarified liquid tank 22,
A configuration is adopted in which the material washer 40 is connected to the motor 24.

濾過器3及び炉材洗浄器40の両方を回転させる場合も
同様の考え方で構成を変更することができる。
When both the filter 3 and the furnace material washer 40 are rotated, the configuration can be changed using the same concept.

34は処理液槽であり、清澄液槽22内に導入された処
理液は、上澄液が該処理液槽34内に導入される。
34 is a processing liquid tank, and a supernatant liquid of the processing liquid introduced into the clarified liquid tank 22 is introduced into the processing liquid tank 34.

処理液は例えば水洗便所の洗浄水、庭散布水等に再利用
できる。
The treated liquid can be reused, for example, as water for flushing toilets, water for garden spraying, etc.

本発明廃液処理装置においては、廃液処理槽内に設けら
れた浮上分離器により廃液と加圧気体の溶解液の混合液
に旋回流が付与されて廃液と加圧気体の溶解液の混合が
充分に行なわると共に浮上分離器から出て槽内を浮上す
る旋回流によって槽内金体に旋回流を及ぼし、前記混合
液の浮上につれて生ずる前記気体の微細気泡によって廃
液中に存在する有機質や無機質の浮遊物質を浮上分離さ
せ廃液中から除去することができる。
In the waste liquid treatment apparatus of the present invention, the flotation separator installed in the waste liquid treatment tank imparts a swirling flow to the mixture of the waste liquid and the pressurized gas solution, so that the waste liquid and the pressurized gas solution are sufficiently mixed. At the same time, the swirling flow that comes out of the flotation separator and floats in the tank exerts a swirling flow on the metal body in the tank, and the fine bubbles of the gas that are generated as the mixed liquid floats remove organic and inorganic substances present in the waste liquid. Floating substances can be floated and removed from the waste liquid.

しかして浮上分離器の周囲には沖過器が設けられている
ので、浮上分離、によって除去できないような浮遊物質
を該濾過器で取除き、炉液を処理液として取出すことが
でき、この処理液を適宜再利用に供することができる。
However, since an offshore filter is installed around the flotation separator, suspended solids that cannot be removed by flotation can be removed using the filter, and the furnace liquid can be taken out as a treatment liquid. The liquid can be reused as appropriate.

又濾過器の沢材と近接して涙材洗浄器が設けられ、濾過
器と許材洗浄器が浮上分離器の周囲を相対的に回転する
ようになされ、該P材洗浄器は吸引ポンプの作動によす
?過器内の炉液を吸引し該炉液を浮上分離器内に還流さ
せるようになされているので、枦材の洗浄により炉材表
面から剥落した付着物は枦材洗浄器内にP液の一部と共
に吸引され、濾過器内に入り込むことが防がれ、又吸引
されたP液と共に浮上分離器内に還流され浮上分離にか
けられて除去される。
In addition, a tear material washer is provided in close proximity to the filter material, and the filter and the permeable material washer rotate relative to each other around the flotation separator. Does it work? Since the furnace liquid in the filter vessel is sucked and the furnace liquid is refluxed into the flotation separator, the deposits that have fallen off from the surface of the furnace material due to washing of the resin are collected in the P liquid in the resin washer. A portion of the P liquid is sucked together and prevented from entering the filter, and is returned together with the sucked P liquid into the flotation separator where it is subjected to flotation separation and removed.

実施例 食堂排水に予じめ固定P床法による生物処理を施した後
の廃水〔浮遊固体物質(SS)値20ppm、COD値
153m、BOD値20ppm)の処理を第1図に示す
構成を備えた廃液処理装置により行なった。
Example A system equipped with the configuration shown in Fig. 1 was used to treat wastewater [suspended solid matter (SS) value: 20 ppm, COD value: 153 m, BOD value: 20 ppm] after biological treatment of cafeteria wastewater was previously performed using the fixed P bed method. This was done using a waste liquid treatment device.

前記の廃水にポリ塩化アルミニウム1Opp重量及び高
分子凝集剤0.2pu量を混合し、次いで3 kg/c
m□の加圧空気の溶解水の混合水を廃液処理槽1内に設
置した浮上分離器2の器体4内に導管7を通じて導入し
た。
1 Opp weight of polyaluminum chloride and 0.2 pu amount of polymer flocculant were mixed into the wastewater, and then 3 kg/c
A mixed water of dissolved water of pressurized air of m□ was introduced through the conduit 7 into the vessel body 4 of the flotation separator 2 installed in the waste liquid treatment tank 1.

浮上分離器2は器体4の直径200mm、開口部5の上
端の直径250mmのものを使用し、前記混合水を該器
体4の周壁面に略接線方向に開口する導管6から導入す
る一方、導管7からP液を還流させた。
The flotation separator 2 has a vessel body 4 with a diameter of 200 mm and an opening 5 with a diameter of 250 mm at the upper end, and the mixed water is introduced through a conduit 6 that opens approximately tangentially to the peripheral wall surface of the vessel body 4. , P solution was refluxed from conduit 7.

この場合の導入水量比は8:2とした。In this case, the introduced water ratio was 8:2.

混合水には旋回流が付与され、浮上分離器2の開口部5
から浮上する混合水の旋回流は廃液処理槽1全体に及ん
だ。
A swirling flow is applied to the mixed water, and the opening 5 of the flotation separator 2
The swirling flow of the mixed water rising from the tank spread over the entire waste liquid treatment tank 1.

前記混合水が槽内を浮上するにつれて加圧空気の溶解度
が低下して微細気泡を多数生じ浮上分離が行なわれた。
As the mixed water floated in the tank, the solubility of the pressurized air decreased, producing many fine bubbles and flotation separation was performed.

沢過器3近辺の廃水はSSSSp罰、COD値6p陣、
BOD値6ppmFあった。
The wastewater near the filter 3 has a SSSSp penalty, a COD value of 6p,
The BOD value was 6 ppmF.

濾過器3は内径300mm、外径700mmのものを用
い、回転速度は1分当り0.67回転とした。
The filter 3 used had an inner diameter of 300 mm and an outer diameter of 700 mm, and the rotation speed was 0.67 revolutions per minute.

濾過器3の炉材32はアクリロニトリルの毛糸状繊維を
使用したが、この太さは0.8g 7mであり充填度は
8本/Cmとなした。
The furnace material 32 of the filter 3 used was acrylonitrile woolen fibers, the thickness of which was 0.8 g and 7 m, and the filling degree was 8 fibers/Cm.

沢材洗浄器40は刷毛状の洗浄具42を備えており、該
洗浄具42が濾過器3のP材32と接触するようになし
た。
The slough cleaning device 40 is equipped with a brush-like cleaning tool 42, and the cleaning tool 42 is brought into contact with the P material 32 of the filter 3.

この刷毛状の洗浄具42は炉材32の周方向に150m
m幅で接触されるようにした。
This brush-like cleaning tool 42 extends 150 m in the circumferential direction of the furnace material 32.
The contact was made with a width of m.

かくして得られた処理液はSS値2pH1COD値3p
四BOD値2再mであり、かつ長期に亘り良好な水質が
保持された。
The treatment liquid thus obtained has an SS value of 2 pH 1 a COD value of 3 p.
The BOD value was 2m, and good water quality was maintained for a long period of time.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明廃液処理装置の一例を示す説明図、第2
図は浮上分離器の一例を示す斜視図、第3図は濾過器及
び炉材洗浄器の一例を示す一部切欠正面図、第4図は同
上の縦断面図、第5図は被覆管部分の一例を示す一部切
欠断面図である。 符号の説明、1・・・・・・廃液処理槽、2・・・・・
・浮上分離器、3・・・・・・濾過器、4・・・・・・
器体、5・・・・・・開口部、6. 7. 20. 2
3. 38・・・・・・導管、9・・・・・・回転翼、
11・・・・・・廃液導管、12,16・・・・・・貯
槽、13,14・・・・−?疑集薬剤層、15,36・
・・・・・移流管、18・・・・・・気体吸引用エジェ
クター、19・・・・・・加圧ポンプ、22・・・・・
・清澄液槽、25・・・・・・集泥腕、26・・・・・
・集泥室、27・・・・・・排出管、28・・・・・・
集液管、29・・・・・・直管、30・・・・・・胴部
、31・・・・・・透孔、32・・・・・・炉材、37
・・・・・・被覆管、40・・・・・・炉材洗浄器、4
1・・・・・・筐体、42・・・・・・洗浄具、43・
・・・・・吸引ポンプ。
FIG. 1 is an explanatory diagram showing an example of the waste liquid treatment apparatus of the present invention, and FIG.
The figure is a perspective view showing an example of a flotation separator, Fig. 3 is a partially cutaway front view showing an example of a filter and furnace material washer, Fig. 4 is a vertical sectional view of the same, and Fig. 5 is a cladding section. It is a partially cutaway sectional view showing an example. Explanation of symbols, 1... Waste liquid treatment tank, 2...
・Flotation separator, 3...Filter, 4...
Vessel body, 5...opening, 6. 7. 20. 2
3. 38... Conduit, 9... Rotor blade,
11... Waste liquid conduit, 12, 16... Storage tank, 13, 14...-? Suspect drug layer, 15, 36・
... Advection pipe, 18 ... Ejector for gas suction, 19 ... Pressure pump, 22 ...
・Clarified liquid tank, 25...Sludge collecting arm, 26...
・Sludge collection room, 27...Discharge pipe, 28...
Liquid collecting pipe, 29... Straight pipe, 30... Body, 31... Through hole, 32... Furnace material, 37
......Claying tube, 40...Furnace material washer, 4
1... Housing, 42... Cleaning tool, 43.
...Suction pump.

Claims (1)

【特許請求の範囲】 1 廃液と加圧気体の溶解液の混合液を浮上させて前記
気体の微細気泡を発生させるようになした浮上分離器が
廃液処理槽内に設けられ、該浮上分離器の周囲に濾過器
が設置されており、該濾過器の炉材と近接して沢材洗浄
器が設けられ、該濾過器と炉材洗浄器が前記浮上分離器
の周囲を相対的に回転しうるようになされ、該炉材洗浄
器は吸引ポンプの作動により濾過器内の炉液を吸引し、
該炉液を浮上分離器内に還流させるようになされている
ことを特徴とする、廃液処理装置。 2 P材洗浄器は、刷毛状の洗浄具を備えており、該洗
浄具が沖過器の炉材と接触している、特許請求の範囲第
1項記載の廃液処理装置。 3 浮上分離器の、器体底部付近の周壁面の略接線方向
に導管が開口されており、該器体上部の拡開された開口
部付近に回転翼が設置されている特許請求の範囲第1項
又は第2項記載の廃液処理装置。 4 濾過器の上部壁面から集液管が複数個突設され、該
集液管は浮上分離器の上方で集束されて直管とされ、該
直管は移流管により清澄液槽に連通されてなることを特
徴とする特許請求の範囲第1項から第3項のいずれか1
項記載の廃液処理装置。 5 直管の上部が集泥腕を駆動させるモーターに連結さ
れてなることを特徴とする特許請求の範囲第4項記載の
廃液処理装置。
[Scope of Claims] 1. A flotation separator is provided in the waste liquid treatment tank and is configured to float a mixture of waste liquid and a pressurized gas solution to generate fine bubbles of the gas, and the flotation separator A filter is installed around the flotation separator, a sawdust washer is provided adjacent to the furnace material of the filter, and the filter and the furnace material washer rotate relative to each other around the flotation separator. The furnace material washer sucks the furnace fluid in the filter by operating a suction pump,
A waste liquid treatment device, characterized in that the furnace liquid is refluxed into a flotation separator. 2. The waste liquid treatment device according to claim 1, wherein the P material washer is equipped with a brush-like cleaning tool, and the cleaning tool is in contact with the furnace material of the offshore filter. 3. The flotation separator has a conduit opened in a substantially tangential direction of the peripheral wall surface near the bottom of the vessel body, and a rotor blade is installed near the enlarged opening at the top of the vessel body. The waste liquid treatment device according to item 1 or 2. 4 A plurality of liquid collecting pipes are protruded from the upper wall of the filter, and the liquid collecting pipes are converged above the flotation separator to form a straight pipe, and the straight pipes are communicated with the clarified liquid tank by an advection pipe. Any one of claims 1 to 3, characterized in that
The waste liquid treatment device described in Section 1. 5. The waste liquid treatment device according to claim 4, wherein the upper part of the straight pipe is connected to a motor that drives the mud collection arm.
JP53091818A 1978-07-26 1978-07-26 Waste liquid treatment equipment Expired JPS5949071B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53091818A JPS5949071B2 (en) 1978-07-26 1978-07-26 Waste liquid treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53091818A JPS5949071B2 (en) 1978-07-26 1978-07-26 Waste liquid treatment equipment

Publications (2)

Publication Number Publication Date
JPS5518278A JPS5518278A (en) 1980-02-08
JPS5949071B2 true JPS5949071B2 (en) 1984-11-30

Family

ID=14037205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53091818A Expired JPS5949071B2 (en) 1978-07-26 1978-07-26 Waste liquid treatment equipment

Country Status (1)

Country Link
JP (1) JPS5949071B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0457918B2 (en) * 1984-04-10 1992-09-16 Toyooki Kogyo Kk

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100894645B1 (en) 2009-01-23 2009-04-24 주식회사 동신이엔텍 Clean water system using dissolved air floatation tank
KR100894646B1 (en) 2009-01-23 2009-04-24 주식회사 동신이엔텍 Dissolved air floatation tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0457918B2 (en) * 1984-04-10 1992-09-16 Toyooki Kogyo Kk

Also Published As

Publication number Publication date
JPS5518278A (en) 1980-02-08

Similar Documents

Publication Publication Date Title
JP4076049B2 (en) Water treatment equipment
KR101563094B1 (en) A system for cleaning filtration material and method of cleaning filtration material
KR101196471B1 (en) Apparatus for recycling filtering sand
CN218539349U (en) Air flotation and precipitation integrated device for urban sewage treatment
CN208087329U (en) A kind of air floatation machine
JP5067809B2 (en) Sand settling equipment
CN210065478U (en) Aeration tank for sewage treatment
JPS5949071B2 (en) Waste liquid treatment equipment
JP2003290606A (en) Flocculation and sedimentation apparatus
JP3770475B2 (en) Levitation concentration device
KR101301717B1 (en) Continuation of the initial rainwater filtration system with cleaning functions
JP3919508B2 (en) Liquid processing equipment
EP0873278B1 (en) Method for adding oxygen to water
CN213537379U (en) Slag scraping device for treating drilling wastewater
JP2003145167A (en) Cleaning device for circulating washing water in washing apparatus
JPH02265605A (en) Solid-liquid separator
CN213313526U (en) Sediment pond bottom silt clearing machine
JP2541889B2 (en) Cutting waste oil treatment method
KR200179035Y1 (en) Disposal device of waste water with oil
KR0154651B1 (en) Apparatus for the removal of residual precipitation of sanitary installation
JP2015144987A (en) Pollutant float and separation system
CN214654262U (en) Oil field comprehensive waste liquid treatment device
CN213570072U (en) Sludge treatment device with filtering structure for improving river soil
JP3396684B2 (en) Cleaning treatment method and apparatus
KR101426519B1 (en) System for process for purifying ocean and lake bottom sediment