JP2761766B2 - Sewage treatment equipment using hollow fiber membrane module - Google Patents
Sewage treatment equipment using hollow fiber membrane moduleInfo
- Publication number
- JP2761766B2 JP2761766B2 JP1216091A JP21609189A JP2761766B2 JP 2761766 B2 JP2761766 B2 JP 2761766B2 JP 1216091 A JP1216091 A JP 1216091A JP 21609189 A JP21609189 A JP 21609189A JP 2761766 B2 JP2761766 B2 JP 2761766B2
- Authority
- JP
- Japan
- Prior art keywords
- hollow fiber
- fiber membrane
- treatment tank
- membrane module
- 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 - Lifetime
Links
- 239000012528 membrane Substances 0.000 title claims description 32
- 239000012510 hollow fiber Substances 0.000 title claims description 31
- 239000010865 sewage Substances 0.000 title claims description 14
- 239000002351 wastewater Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 241001148470 aerobic bacillus Species 0.000 claims description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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
- Activated Sludge Processes (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、中空糸膜モジュールによる汚水処理装置に
係るものであり、更に詳しくは、有機性汚水を生物反応
処理する処理槽内に固液分離用の中空糸膜モジュールを
設けた汚水処理装置に関するものである。Description: TECHNICAL FIELD The present invention relates to a sewage treatment apparatus using a hollow fiber membrane module, and more particularly, to a solid-liquid treatment tank for treating organic sewage with a biological reaction. The present invention relates to a sewage treatment apparatus provided with a hollow fiber membrane module for separation.
［従来の技術］ 先に、本発明者等は、有機性汚水を生物反応処理する
処理槽と、該処理槽内に遊動自在に充填された中空糸膜
モジュールと、該中空糸膜の内部を吸引する手段から構
成される汚水処理装置を開発した。[Prior Art] First, the present inventors have considered a treatment tank for performing a biological reaction treatment of organic wastewater, a hollow fiber membrane module movably filled in the treatment tank, and an inside of the hollow fiber membrane. We have developed a sewage treatment system consisting of suction means.
しかしながら、この種の装置では、処理槽内の生物フ
ロック（活性汚泥）を含む有機性汚水の水位が上下に変
動するため、中空糸膜モジュールを常に混合液中に位置
せしめておき、有機性汚水を循環することが必要であ
り、このための効果的な手段の開発が要請されていた。However, in this type of apparatus, since the water level of the organic sewage including biological flocs (activated sludge) in the treatment tank fluctuates up and down, the hollow fiber membrane module is always positioned in the mixed solution, so It was necessary to develop an effective means for this.
［発明が解決しようとする課題］ 本発明は、上記従来の要請に応えるためになされたも
ので、その目的とするところは、処理槽内の有機性汚水
の水位が変動しても、中空糸膜モジュールを常に有機性
汚水内に位置せしめ、該有機性汚水を循環せしめること
のできる装置を提供するものである。[Problems to be Solved by the Invention] The present invention has been made in order to meet the above-mentioned conventional demands, and an object of the present invention is to provide a method for manufacturing hollow fibers even when the water level of organic wastewater in a treatment tank fluctuates. It is an object of the present invention to provide a device in which a membrane module is always positioned in organic wastewater and the organic wastewater can be circulated.
［課題を解決するための手段］ 本発明の中空糸膜モジュールを用いた汚水処理装置
は、有機性汚水を生物反応処理する処理槽と、該処理槽
内に遊動自在に充填された多数の中空糸膜と、該中空糸
膜の内部を吸引する手段と、上記処理槽に立設された固
定管と、該固定管に摺動自在に嵌挿されて水位変動に応
じて上下に移動する可動管と、上記固定管および可動管
を通じて有機性汚水を処理槽内で循環せしめる循環手段
から成ることを特徴とし、上記処理槽が好気性菌または
嫌気性菌の生物反応槽であることを特徴とするものであ
る。[Means for Solving the Problems] A sewage treatment apparatus using a hollow fiber membrane module of the present invention includes a treatment tank for performing a biological reaction treatment of organic wastewater, and a large number of hollows movably filled in the treatment tank. A fiber membrane, a means for sucking the inside of the hollow fiber membrane, a fixed pipe erected in the treatment tank, and a movable pipe which is slidably inserted into the fixed pipe and moves up and down in accordance with water level fluctuation. A pipe, comprising a circulating means for circulating the organic wastewater in the treatment tank through the fixed pipe and the movable pipe, wherein the treatment tank is a biological reaction tank of aerobic bacteria or anaerobic bacteria. Is what you do.
［実施例］ 以下、本発明の実施例について図面を参照しながら説
明する。Example An example of the present invention will be described below with reference to the drawings.
第１図において、１は有機性汚水を生物反応処理する
処理槽であって、内部に中空糸膜モジュール２が遊動自
在に充填されている。In FIG. 1, reference numeral 1 denotes a treatment tank for subjecting organic wastewater to a biological reaction treatment, in which a hollow fiber membrane module 2 is movably filled.
該中空糸膜モジュール２は、第1A図にその一部を拡大
して示すように、上下端部が解放して有機性汚水が自由
に流下する、例えばハニカム状の殻体2aと、該殻体2a内
で自由に垂れ下がった状態で吊設された中空糸膜2bと、
多数の中空糸膜2bの上端部が開口した状態で固着されて
いる吸引室2cから構成されている。As shown in FIG. 1A, a part of the hollow fiber membrane module 2 is enlarged, and the upper and lower ends are released, and organic wastewater flows freely. A hollow fiber membrane 2b suspended in a freely suspended state within the body 2a,
It is composed of a suction chamber 2c which is fixed in a state where the upper ends of a number of hollow fiber membranes 2b are open.
上記中空糸膜2bは、例えば、0.1ミクロン程度の微細
な穴を無数にあけたポリエチレン等の合成樹脂製の直径
0.8mm程度の糸状中空管である。中空糸膜2bは、これに
限定するものではなく、これまで使用または開発されて
いる公知の中空糸膜であればいずれのものであってもよ
い。本実施例の中空糸膜2bの下端部は閉塞されている
が、ループ状に垂下させて、その両端部を吸引室2cに固
着させてもよい。また、該中空糸膜2bは横向き、或いは
斜め等いずれの方向に向けてもよい。The hollow fiber membrane 2b has a diameter of, for example, a synthetic resin such as polyethylene having innumerable fine holes of about 0.1 micron.
It is a thread-shaped hollow tube of about 0.8 mm. The hollow fiber membrane 2b is not limited to this, and may be any known hollow fiber membrane that has been used or developed so far. Although the lower end of the hollow fiber membrane 2b of the present embodiment is closed, it may be hung in a loop and both ends may be fixed to the suction chamber 2c. Further, the hollow fiber membrane 2b may be oriented in any direction such as a horizontal direction or an oblique direction.
各吸引室2cは吸引管３を介してバキュームレシーバタ
ンク４に連絡されている。５は真空ポンプおよび６は吸
引ポンプである。Each suction chamber 2c is connected to a vacuum receiver tank 4 via a suction pipe 3. 5 is a vacuum pump and 6 is a suction pump.
上記処理槽１の中央部には固定管７が立設されてい
て、これに可動管８が上下に摺動可能に嵌挿されてい
る。該固定管７の下部には開口部7aが開設されていて、
有機性汚水が固定管７内に流入できるようになってい
る。A fixed pipe 7 is provided upright at the center of the processing tank 1, and a movable pipe 8 is inserted into the fixed pipe 7 so as to be slidable up and down. An opening 7a is opened at the lower part of the fixed tube 7,
Organic wastewater can flow into the fixed pipe 7.
上記可動管８の上部外周には浮輪等の浮力手段９が取
り付けてあって、該可動管８は水面WLの上昇または下降
変動に伴って上下に移動するようになっている。A buoyancy means 9 such as a floating ring is attached to the upper outer periphery of the movable pipe 8 so that the movable pipe 8 moves up and down as the water level WL rises or falls.
上記可動管８の上端開口部にはスクリュー10が設けら
れていて、管7,8内の有機性汚水を管外に排出し、有機
性汚水を矢印で示すように、処理槽１内で循環させるよ
うになっている。A screw 10 is provided at the upper end opening of the movable pipe 8 to discharge the organic wastewater in the pipes 7 and 8 out of the pipe and circulate the organic wastewater in the treatment tank 1 as shown by an arrow. It is made to let.
11は傘形状の変向板であって、スクリュー10により排
出した有機性汚水を外方に向けて円滑に排出できるよう
にしている。該変向板11は中空状の浮体として構成して
もよい。12はスクリュー10用の駆動モーターである。Reference numeral 11 denotes an umbrella-shaped turning plate, which enables organic wastewater discharged by the screw 10 to be smoothly discharged outward. The deflection plate 11 may be configured as a hollow floating body. Reference numeral 12 denotes a drive motor for the screw 10.
次に、上記実施例装置の作用について説明する。 Next, the operation of the above embodiment will be described.
まず、有機性汚水の原液から除砂装置やスクリーン
（図示せず）により砂等の固形物を分離除去して流入管
13から処理槽１内に汚水を導入する。原液が厨房排水の
ように油を含む場合には、油分離処理をしてから導入す
る。First, solids such as sand are separated and removed from the undiluted solution of organic sewage using a sand remover or screen (not shown)
From 13 sewage is introduced into the treatment tank 1. When the undiluted solution contains oil like kitchen wastewater, it is introduced after oil separation treatment.
処理槽１内に導入された有機性汚水の水位は、上記流
入管13からの流入量および上記吸引管３からの流出量の
変化に応じて処理槽１内を上下に変動する。The level of the organic sewage introduced into the treatment tank 1 fluctuates up and down in the treatment tank 1 according to changes in the amount of inflow from the inflow pipe 13 and the amount of outflow from the suction pipe 3.
水位が第１図に示すように最高水位HWLにある時に
は、上記可動管８は固定管７に対して上方に伸びた状態
にある。この状態で、処理槽１内の有機性汚水はスクリ
ュー10により矢印方向に循環し、中空糸膜モジュール２
内を下方に向けて流れる。中空糸膜モジュール２内に流
入した有機性汚水は中空糸膜2bの微細な穴を通って吸引
室2cに吸引され、その透過液は、吸引管３、バキューム
レシーバタンク４および吸引ポンプ６を通って処理水と
して引き抜かれる。When the water level is at the highest water level HWL as shown in FIG. 1, the movable pipe 8 is in a state of extending upward with respect to the fixed pipe 7. In this state, the organic wastewater in the treatment tank 1 is circulated by the screw 10 in the direction of the arrow, and the hollow fiber membrane module 2
It flows down inside. The organic wastewater flowing into the hollow fiber membrane module 2 is sucked into the suction chamber 2c through the fine holes of the hollow fiber membrane 2b, and the permeate passes through the suction pipe 3, the vacuum receiver tank 4, and the suction pump 6. And is withdrawn as treated water.
尚、上記中空糸膜2bによる有機性汚水の吸引は、適宜
間欠タイマー等により間欠的に行って、その透過量を制
御することができる。In addition, the suction of the organic wastewater by the hollow fiber membrane 2b can be appropriately performed intermittently by an intermittent timer or the like to control the amount of permeation.
第２図は有機性汚水の水位が最低水位LWLにある場合
を示すものであって、上記可動管８は水位の下降ととも
に固定管７に沿って下降し、固定管７の外側にオーバー
ラップ状態に位置している。FIG. 2 shows a case where the water level of the organic sewage is at the minimum water level LWL, and the movable pipe 8 descends along the fixed pipe 7 as the water level falls, and overlaps outside the fixed pipe 7. It is located in.
［発明の効果］ 有機性汚水を生物反応処理する処理槽と、該処理槽内
に遊動自在に充填された多数の中空糸膜と、該中空糸膜
の内部を吸引する手段と、上記処理槽に立設された固定
管と、該固定管に摺動自在に嵌挿されて水位変動に応じ
て上下に移動する可動管と、上記固定管および可動管を
通じて有機性汚水を処理槽内で循環せしめる循環手段に
より構成したので、混合液の水位変動に応じて可動管が
上下に移動し、水位がどの位置にあっても有機性汚水を
効果的に循環せしめることができる。[Effects of the Invention] A treatment tank for performing biological reaction treatment of organic wastewater, a large number of hollow fiber membranes movably filled in the treatment tank, means for sucking the inside of the hollow fiber membrane, and the treatment tank And a movable pipe that is slidably inserted into the fixed pipe and moves up and down according to the water level fluctuation, and circulates organic wastewater in the treatment tank through the fixed pipe and the movable pipe. Since the movable pipe moves up and down according to the fluctuation of the water level of the mixed liquid, the organic wastewater can be effectively circulated regardless of the water level.
第１図は本発明装置の一実施例を示す断面図、第1A図は
中空糸膜モジュールの一部拡大図、第２図は最低水位に
おける状態を示す断面図である。 １……処理槽、２……中空糸膜モジュール、2a……殻
体、2b……中空糸膜、2c……吸引室、３……吸引管、４
……バキュームレシーバタンク、５……真空ポンプ、６
……吸引ポンプ、７……固定管、7a……開口部、８……
可動管、９……浮力手段、10……スクリュー、11……変
向板、12……駆動モーター、13……流入管。FIG. 1 is a sectional view showing an embodiment of the apparatus of the present invention, FIG. 1A is a partially enlarged view of a hollow fiber membrane module, and FIG. 2 is a sectional view showing a state at a lowest water level. DESCRIPTION OF SYMBOLS 1 ... Processing tank, 2 ... Hollow fiber membrane module, 2a ... Shell, 2b ... Hollow fiber membrane, 2c ... Suction chamber, 3 ... Suction tube, 4
…… Vacuum receiver tank, 5 …… Vacuum pump, 6
... Suction pump, 7 ... fixed tube, 7a ... opening, 8 ...
Movable pipe, 9: buoyancy means, 10: screw, 11: turning plate, 12: drive motor, 13: inflow pipe.
Claims (2)
該処理槽内に遊動自在に充填された多数の中空糸膜と、
該中空糸膜の内部を吸引する手段と、上記処理槽に立設
された固定管と、該固定管に摺動自在に嵌挿されて水位
変動に応じて上下に移動する可動管と、上記固定管およ
び可動管を通じて有機性汚水を処理槽内で循環せしめる
循環手段から成ることを特徴とする中空糸膜モジュール
を用いた汚水処理装置。1. A treatment tank for subjecting organic wastewater to a biological reaction treatment,
A number of hollow fiber membranes movably filled in the treatment tank,
A means for sucking the inside of the hollow fiber membrane, a fixed tube erected in the treatment tank, a movable tube slidably fitted into the fixed tube and moving up and down according to a water level change, A sewage treatment apparatus using a hollow fiber membrane module, comprising circulating means for circulating organic sewage in a treatment tank through a fixed pipe and a movable pipe.
物反応槽であることを特徴とする請求項１に記載の中空
糸膜モジュールを用いた汚水処理装置。2. The sewage treatment apparatus using a hollow fiber membrane module according to claim 1, wherein the treatment tank is a biological reaction tank for aerobic bacteria or anaerobic bacteria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1216091A JP2761766B2 (en) | 1989-08-24 | 1989-08-24 | Sewage treatment equipment using hollow fiber membrane module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1216091A JP2761766B2 (en) | 1989-08-24 | 1989-08-24 | Sewage treatment equipment using hollow fiber membrane module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0380992A JPH0380992A (en) | 1991-04-05 |
| JP2761766B2 true JP2761766B2 (en) | 1998-06-04 |
Family
ID=16683108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1216091A Expired - Lifetime JP2761766B2 (en) | 1989-08-24 | 1989-08-24 | Sewage treatment equipment using hollow fiber membrane module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2761766B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5290801B2 (en) * | 2009-02-17 | 2013-09-18 | 株式会社アクト | Sewage treatment apparatus and sewage treatment method |
-
1989
- 1989-08-24 JP JP1216091A patent/JP2761766B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0380992A (en) | 1991-04-05 |
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