JPH0724727B2 - Oil water separator - Google Patents
Oil water separatorInfo
- Publication number
- JPH0724727B2 JPH0724727B2 JP1163227A JP16322789A JPH0724727B2 JP H0724727 B2 JPH0724727 B2 JP H0724727B2 JP 1163227 A JP1163227 A JP 1163227A JP 16322789 A JP16322789 A JP 16322789A JP H0724727 B2 JPH0724727 B2 JP H0724727B2
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- Japan
- Prior art keywords
- water
- oil
- tank
- pipe
- emulsion
- 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
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Description
【発明の詳細な説明】 〈産業上の利用分野〉 本発明は油水分離装置に関する。更に詳しくは、コンプ
レッサードレンの廃水の如き水中油滴型のエマルジョン
（O/Wエマルジョン）の分離装置に関する。DETAILED DESCRIPTION OF THE INVENTION <Field of Industrial Application> The present invention relates to an oil / water separator. More specifically, the present invention relates to a device for separating an oil-in-water emulsion (O / W emulsion) such as compressor drain wastewater.
〈従来技術〉 コンプレッサードレンの廃水等は、油性成分がイオン化
しているために、油性成分が極めて細かい粒子状となっ
て水中に分散している。このような油性成分を含む廃水
をそのまま放流することはできないので、長期間貯めて
おいて油性成分を分離し、下方に貯めた水性成分を少し
ずつ抜いて処理していたが、処理に長い時間と場所を要
する。<Prior Art> Wastewater of compressor drain and the like has an oily component ionized, so that the oily component is dispersed in water in the form of extremely fine particles. Since wastewater containing such oily components cannot be discharged as it is, it was stored for a long period of time to separate the oily components, and the aqueous components stored below were gradually removed for treatment. And takes place.
また、廃水を油吸着マットにより処理して油性成分を分
離する方法もあるが、廃水はエマルジョン化しているの
で十分油性成分を分離することができず、止むなく大量
の水で薄めるなどして放流しているのが実情である。There is also a method of treating the wastewater with an oil adsorption mat to separate the oily components, but since the wastewater is an emulsion, it is not possible to sufficiently separate the oily components, and the wastewater is continuously diluted with a large amount of water before being discharged. It is the actual situation.
更に、別の手段として酸を加えてPH2程度にして、この
油性成分を分解する方法も知られているが大量の酸を要
すること、工程が複雑になることから、経済的とはいえ
ない。Furthermore, as another means, a method is known in which an acid is added to about PH2 to decompose this oily component, but it is not economical because it requires a large amount of acid and the process is complicated.
〈発明が解決しようとする課題〉 本発明は、以上のような実情に鑑みて成されたみもの
で、簡便な方法でO/Wエマルジョンを短時間で油水に分
離する装置を提供することを目的とする。<Problems to be Solved by the Invention> The present invention has been made in view of the above circumstances, and provides an apparatus for separating an O / W emulsion into oil water in a short time by a simple method. To aim.
〈課題を解決するための手段〉 本発明は、エマルジョン状の油水廃水の受水分離槽、分
離槽、および回収槽を縦方向に載置し、前記各槽は、下
端に間隙を有する隔壁により、受水室と排水室とに区分
した構造とし、かつ、前記各槽は、上端がオーバーフロ
ーできる水性成分用パイプで連結され、また、前記受水
分離槽の受水室の上方、および分離槽、回収槽の水性成
分用パイプの下方に多数の孔を有する分散板を設けたこ
とを特徴とする油水分離装置である。<Means for Solving the Problems> The present invention is to vertically mount an emulsion-type oil / water wastewater water receiving separation tank, a separation tank, and a recovery tank, and each tank is formed by a partition wall having a gap at the lower end. The structure is divided into a water receiving chamber and a drainage chamber, and the respective tanks are connected by a pipe for an aqueous component whose upper end can overflow, and above the water receiving chamber of the water receiving and separating tank, and a separating tank. The oil-water separator is characterized in that a dispersion plate having a large number of holes is provided below the pipe for the aqueous component of the recovery tank.
また、本発明は、分離槽の分散板の下方に水性成分用パ
イプの上端より高い位置に油性成分排出用パイプを設け
た上記構成の油水分離装置である。Further, the present invention is the oil-water separation device having the above-described configuration, in which the oily component discharge pipe is provided below the dispersion plate of the separation tank at a position higher than the upper end of the aqueous component pipe.
さらに、中央は、板状で、周辺に多数の孔を設けた分散
板を用いた上記構成の油水分離装置である。Further, the center is the oil-water separation device having the above-described configuration, which uses a dispersion plate having a plate shape and a large number of holes provided in the periphery.
さらにまた、受水分離槽の受水室と同じ構造の前処理装
置を設けた上記構成の油水分離装置である。Furthermore, the oil / water separation device having the above-described configuration is provided with a pretreatment device having the same structure as the water reception chamber of the water reception / separation tank.
〈作用〉 廃水は、分散板により滴下状態で各槽の油層（Ｙ）供さ
れるので、滴下された廃水の液滴（Ｚ）は、油層（Ｙ）
と水層（Ｘ）の境界上に一列ないし数列に整列する。整
列した廃水の液滴（Ｚ）は油の皮膜に覆われており、エ
マルジョンの液滴（Ｚ）と水層（Ｘ）とは直接接触しな
い。（第４図Ａ）。<Operation> Since the waste water is supplied to the oil layer (Y) in each tank in a dropping state by the dispersion plate, the dropped droplets (Z) of the waste water are converted into the oil layer (Y).
And the water layer (X) are arranged in a line or in several lines. The aligned wastewater droplets (Z) are covered with an oil film and the emulsion droplets (Z) and the water layer (X) do not come into direct contact. (FIG. 4A).
時間の経過と共に上記皮膜は破れ、油層（Ｙ）と水層
（Ｘ）の間に廃水の液滴（Ｚ）の層が綿状に形成され
（第４図Ｂ）、次いで廃水中の油性成分が油層（Ｙ）
に、水性成分が水層（Ｘ）に吸収分解される。（第４図
Ｃ）。With the lapse of time, the film breaks, a layer of wastewater droplets (Z) is formed like a cotton between the oil layer (Y) and the water layer (X) (Fig. 4B), and then the oily component in the wastewater is formed. Oil layer (Y)
Then, the aqueous component is absorbed and decomposed in the aqueous layer (X). (Fig. 4C).
エマルジョンの濃度が高い場合でも、受水分離槽の受水
室と同じ構造を有する前処理装置を設けることにより、
エマルジョン以外の分離した油水を受水分離槽の受水室
に供給することにより、各種のコンプレッサーに対応可
能となった。Even if the concentration of the emulsion is high, by providing a pretreatment device having the same structure as the water receiving chamber of the water receiving tank,
By supplying the separated oil water other than emulsion to the water receiving chamber of the water receiving tank, it became possible to support various compressors.
〈実施例〉 まず、コンプレッサーからの廃水は、エマルジョン状態
で導入用パイプＣを用いて、油水分離装置Ｄに接続され
ている。<Example> First, the waste water from the compressor is connected to the oil / water separation device D using an introduction pipe C in an emulsion state.
この油水分離装置Ｄは、第１図、および第２図に示すよ
うには台板５により上下に４つのユニットに区分され
る。上から順に第１ユニット１、第２ユニット２、第３
ユニット３、第４ユニット４が設けられ、第１ユニット
１は、受水分離槽、第２ユニット２は、油水分離槽で、
第３ユニット３から第４ユニット４は、回収槽である。The oil / water separator D is divided into four units vertically by a base plate 5 as shown in FIGS. 1 and 2. First unit 1, second unit 2, third unit from the top
A unit 3 and a fourth unit 4 are provided. The first unit 1 is a water separation tank and the second unit 2 is an oil water separation tank.
The third unit 3 to the fourth unit 4 are collection tanks.
それぞれのユニットは、水性成分用パイプ６で接続され
ている。また、分離槽２、回収槽３は、油性成分排出用
パイプ７が接続しており、このパイプ７は、貯留タンク
（図示せず）に連結している。The respective units are connected by a pipe 6 for an aqueous component. An oily component discharge pipe 7 is connected to the separation tank 2 and the recovery tank 3, and the pipe 7 is connected to a storage tank (not shown).
油水分離装置Ｄの構造は第３図に示されているように、
５は台板であり、第１ユニット１は、箱状容器から成る
受水分離槽11で構成され、略中央部に上から下方向へ延
びる下端に間隙19を有する隔壁12が設けられている。The structure of the oil / water separator D is as shown in FIG.
Reference numeral 5 is a base plate, and the first unit 1 is composed of a water receiving / separating tank 11 made of a box-shaped container, and a partition wall 12 having a gap 19 at the lower end extending downward from above is provided at substantially the center. .
そして、この隔壁12によって区切られた受水室11a,排水
室11bからなる二つの室のうち、受水室11aの上方には、
導入用パイプＣが接続された受水タンク13、この受水タ
ンク13からパイプで連結し、油吸着マットを備え、中央
が板状で多数の孔を周辺に有する分散板14が設けられて
いる。And, of the two chambers composed of the water receiving chamber 11a and the drainage chamber 11b separated by the partition wall 12, above the water receiving chamber 11a,
A water receiving tank 13 to which an introducing pipe C is connected, a pipe connected from the water receiving tank 13 and provided with an oil adsorption mat, and a dispersion plate 14 having a plate-like center and a large number of holes in the periphery are provided. .
かつ、排水室11bの底壁には、上端に上下方向可変でき
る構成の水性成分用パイプ６を貫通して設ける。Moreover, the bottom wall of the drainage chamber 11b is provided with an aqueous component pipe 6 having a vertically variable structure at its upper end.
なお、油性成分排出用パイプ７の位置は水性成分用パイ
プ６の位置より高い方が望ましく、また水性成分用パイ
プ６の上端は、上下方向に高さを可変できる構造となっ
ている。The position of the oil component discharge pipe 7 is preferably higher than the position of the aqueous component pipe 6, and the upper end of the aqueous component pipe 6 has a structure in which the height can be changed in the vertical direction.
受水分離槽11には予め水が入れられて、水層（Ｘ）を形
成し、隔壁12の下方の間隙で両室に連通している。導入
用パイプＣの接続された受水室には、この水層Ｘの上に
油を入れて、油層Ｙを形成している。Water is previously put in the water receiving / separating tank 11 to form a water layer (X), which is communicated with both chambers at a gap below the partition wall 12. In the water receiving chamber to which the introducing pipe C is connected, oil is put on the water layer X to form an oil layer Y.
ここで、前記油層に用いる油は、エマルジョン中の油性
成分と同一のものが望ましい。また、第３図において15
はガス抜き用パイプである。Here, the oil used for the oil layer is preferably the same as the oily component in the emulsion. Also, in FIG.
Is a degassing pipe.
第２ユニット２分離槽は、第１ユニット１と同様の構造
で、導入用パイプＣの代わりに、それぞれの直前のユニ
ットの水性成分用パイプ６が接続されて、且つ水性成分
用パイプ６の直下が板状で周辺に多数の孔を設けた分散
板29をそれぞれ具備している。この分散板29の上には、
油吸着マット13が設けられている。The second unit 2 separation tank has a structure similar to that of the first unit 1, and instead of the introduction pipe C, the pipe 6 for the aqueous component of the immediately preceding unit is connected thereto and directly below the pipe 6 for the aqueous component. Each of which is provided with a dispersion plate 29 having a plate shape and provided with a large number of holes in the periphery. On this dispersion plate 29,
An oil adsorption mat 13 is provided.
第３ユニット、および第４ユニット４は回収槽で、下端
に間隙を有する隔壁32、42により受水室34、44と排水室
35、45の二つの室に分けられている。水性成分用パイプ
６は、第２ユニットと同様に、第３第４ユニットにも接
続され、水性成分用パイプ６により導入された水性成分
は、分散板39、46上に備えた油吸着マット13、48により
残余の油性成分を除去し、底面近くまで延びた排水用パ
イプ47により、排出ボックス50に一旦貯留し、排出す
る。この時、油性成分の量を測定し、排出基準以下であ
るかどうかを確認する。The third unit and the fourth unit 4 are recovery tanks, and the water receiving chambers 34 and 44 and the drainage chamber are formed by partition walls 32 and 42 having a gap at the lower end.
It is divided into two rooms, 35 and 45. The aqueous component pipe 6 is connected to the third and fourth units as well as the second unit, and the aqueous component introduced by the aqueous component pipe 6 is disposed on the dispersion plates 39 and 46 and the oil adsorption mat 13 is provided. , 48 removes the remaining oily component, and the drainage pipe 47 extending to near the bottom surface temporarily stores it in the discharge box 50 and discharges it. At this time, measure the amount of oily component and confirm whether it is below the emission standard.
エマルジョン廃水の量が多く、液滴とならない場合に
は、導入用パイプＣの途中に液溜を設け、ポンプ等によ
り少量ずつ送り出して液滴とすれば良い。When the amount of emulsion wastewater is large and does not form droplets, a liquid reservoir may be provided in the introduction pipe C, and a small amount may be sent out by a pump or the like to form droplets.
また、廃水のエマルジョンの濃度が高い場合は、受水分
離槽の受水室と同じ構造を有する前処理装置を設けるこ
とにより、一旦、油、エマルジョン、水に分離して、油
と水だけを分離装置に供給することにより、通常と同様
に油水の分離をすることができる。If the concentration of the emulsion in the wastewater is high, a pretreatment device having the same structure as the water receiving chamber of the water receiving / separating tank can be installed to temporarily separate oil, emulsion, and water, and only oil and water can be separated. By supplying the oil to the separation device, oily water can be separated as usual.
さらに、エマルジョンの分離を早く、かつ安定して行う
ために、適量のエマルジョン分解剤を加えてもよい。Further, an appropriate amount of an emulsion decomposing agent may be added in order to quickly and stably separate the emulsion.
第３図に示す装置Ｄでは、分散板29、39の下方に、排出
用パイプ７が取り付けられており、排出用パイプ７には
図示しないバルブが取り付けられて、適当な時期に酸化
して油層Ｙ下部にたまった油を排出できるようになって
いる。In the device D shown in FIG. 3, a discharge pipe 7 is attached below the dispersion plates 29 and 39, and a valve (not shown) is attached to the discharge pipe 7 to oxidize the oil layer at an appropriate time. The oil accumulated at the bottom of Y can be discharged.
本発明は以上のようなものであるが、三菱レイヨン
（株）製DMソーブ等のシートを油吸着シートとしてを用
いることができる。Although the present invention is as described above, a sheet such as DM Sorb manufactured by Mitsubishi Rayon Co., Ltd. can be used as the oil adsorption sheet.
また、分離槽は第２ユニットとして１つ設けているが、
廃水のエマルジョン濃度により、２つ以上もうけてもよ
く、また、第３ユニットの回収槽は、２つ以上設ける
か、もしくは、設けなくてもよい。Also, although one separation tank is provided as the second unit,
Two or more may be provided depending on the emulsion concentration of the waste water, and two or more recovery tanks of the third unit may be provided or may not be provided.
ここで、本発明の実施例の装置を用いて、油分が1540pp
mでエマルジョンが350ppmの廃水を油水を分離したとこ
ろ、受水分離槽を通過した時の油分は、10ppm以下、分
離槽を通過した時の油分は、3ppm以下となり、さらに、
２つの回収槽においては、1ppm以下で油分は、検出でき
なかった。Here, using the device of the embodiment of the present invention, the oil content is 1540 pp
When the oil was separated from the waste water of which the emulsion was 350 ppm in m, the oil content when passing through the water receiving separation tank was 10 ppm or less, and the oil content when passing through the separation tank was 3 ppm or less.
No oil was detected at 1 ppm or less in the two recovery tanks.
このように分離された水は、放流し、また、油分は、回
収する。The water thus separated is discharged, and the oil is recovered.
〈効果〉 本発明によれば、廃水の分離に長期間を要せず、各ユニ
ットを縦型に配置し、上方から自然に落下させるだけ
で、油と水に分離することができる。<Effect> According to the present invention, it is possible to separate the waste water into oil and water by arranging each unit vertically and dropping the waste water naturally from above without requiring a long period of time.
また、縦型に載置構造であり、広い場所も要せず、しか
も動力や薬品を一切用いることなく簡便にエマルジョン
を油及び水に分離できるという効果を有する。In addition, since it has a vertical mounting structure, it does not require a large space, and has an effect that an emulsion can be easily separated into oil and water without using any power or chemicals.
さらに、廃水中の油分の量、エマルジョンの濃度に応じ
て、分離槽、回収槽の数を変えることにより、エマルジ
ョンを確実に、しかも短時間に分離することができる。Furthermore, by changing the number of separation tanks and recovery tanks according to the amount of oil in the waste water and the concentration of the emulsion, the emulsion can be reliably separated in a short time.
そして、レマルジョンの濃度が、以上に高い場合でも、
受水分離槽の受水室と同じ構造を有する前処理装置を設
けることにより、分離可能となり、各種のコンプレッサ
ーに対応することが、かのうとなった。And even if the concentration of remulsion is higher than that,
By providing a pretreatment device having the same structure as the water receiving chamber of the water receiving / separating tank, it becomes possible to separate the water and to cope with various compressors.
図面の第１図は、本発明の装置全体を示す正面図、第２
図は、同平面図、第３図は、装置の構造を示す説明図、
第４図Ａ乃至Ｃは、分離状態を示す説明図である。 １……第１ユニット、11……受水分離槽 12、22、32、42……隔壁、13……油吸着マット ２……第２ユニット、３……第３ユニット ４……第４ユニット、６……水性成分用パイプ ７……油性成分排出用パイプ Ｃ……導入用パイプ、Ｄ……分離装置 11a、24、34、44……受水室 11b、25、35、45……排水室FIG. 1 is a front view showing the entire apparatus of the present invention, and FIG.
FIG. 3 is a plan view of the same, FIG. 3 is an explanatory view showing the structure of the device,
4A to 4C are explanatory views showing the separated state. 1 ... 1st unit, 11 ... Water separation tank 12, 22, 32, 42 ... Partition, 13 ... Oil adsorption mat 2 ... 2nd unit, 3 ... 3rd unit 4 ... 4th unit , 6 ... Pipe for water component 7 ... Pipe for discharging oil component C ... Pipe for introduction, D ... Separator 11a, 24, 34, 44 ... Water receiving chamber 11b, 25, 35, 45 ... Drainage Room
Claims (4)
分離槽、および回収槽を縦方向に載置し、前記各槽は、
下端に間隙を有する隔壁により、受水室と排水室とに区
分した構造とし、かつ、前記各槽は、上端がオーバーフ
ローできる水性成分用パイプで連結され、また、前記受
水分離槽の受水室の上方、および分離槽、回収槽の水性
成分用パイプの下方に多数の孔を有する分散板を設けた
ことを特徴とする油水分離装置。1. A water separation tank for oily water waste in the form of an emulsion,
The separation tank and the recovery tank are mounted vertically, and each of the tanks is
A partition having a gap at the lower end is divided into a water receiving chamber and a drainage chamber, and each tank is connected by a pipe for an aqueous component whose upper end can overflow, and the water received by the water separating tank An oil / water separation device, characterized in that a dispersion plate having a large number of holes is provided above the chamber and below the aqueous component pipes of the separation tank and the recovery tank.
の上端より高い位置に油性成分排出用パイプを設けた請
求項（１）油水分離装置。2. An oil / water separator according to claim 1, wherein an oil component discharge pipe is provided below the dispersion plate of the separation tank at a position higher than the upper end of the water component pipe.
分散板を用いた請求項（１）または（２）の油水分離装
置。3. The oil-water separator according to claim 1, wherein the center is plate-shaped and a dispersion plate having a large number of holes in the periphery is used.
処理装置を設けた請求項（１）乃至（３）の油水分離装
置。4. The oil-water separator according to claim 1, further comprising a pretreatment device having the same structure as that of the water-separating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1163227A JPH0724727B2 (en) | 1989-06-26 | 1989-06-26 | Oil water separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1163227A JPH0724727B2 (en) | 1989-06-26 | 1989-06-26 | Oil water separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0326304A JPH0326304A (en) | 1991-02-04 |
| JPH0724727B2 true JPH0724727B2 (en) | 1995-03-22 |
Family
ID=15769740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1163227A Expired - Lifetime JPH0724727B2 (en) | 1989-06-26 | 1989-06-26 | Oil water separator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724727B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752042A (en) * | 2013-01-29 | 2014-04-30 | 中国石油天然气股份有限公司 | Split wing plate and assembly oil-water-mud separation component thereof and oil-water-mud separation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701324B (en) * | 2012-06-13 | 2013-09-18 | 长沙中联重科环卫机械有限公司 | Method and system for processing oily floaters |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5746883A (en) * | 1980-08-06 | 1982-03-17 | Ihara Chemical Ind Co | Method of bonding urethane elastomer and metal |
-
1989
- 1989-06-26 JP JP1163227A patent/JPH0724727B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752042A (en) * | 2013-01-29 | 2014-04-30 | 中国石油天然气股份有限公司 | Split wing plate and assembly oil-water-mud separation component thereof and oil-water-mud separation method |
| CN103752042B (en) * | 2013-01-29 | 2016-08-17 | 中国石油天然气股份有限公司 | Split wing plate and assembly oil-water-mud separation component thereof and oil-water-mud separation method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0326304A (en) | 1991-02-04 |
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