JPH03127695A - Air diffuser and air diffusion method using the same - Google Patents
Air diffuser and air diffusion method using the sameInfo
- Publication number
- JPH03127695A JPH03127695A JP1267360A JP26736089A JPH03127695A JP H03127695 A JPH03127695 A JP H03127695A JP 1267360 A JP1267360 A JP 1267360A JP 26736089 A JP26736089 A JP 26736089A JP H03127695 A JPH03127695 A JP H03127695A
- Authority
- JP
- Japan
- Prior art keywords
- air
- aeration
- air diffuser
- diffuser
- aeration tank
- 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.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 title abstract description 6
- 238000005273 aeration Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000002351 wastewater 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
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は下水処理場等の曝気槽の内部へ投込んで用いら
れる散気装置及びこれを用いた散気方法に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an aeration device used by being inserted into an aeration tank of a sewage treatment plant, etc., and an aeration method using the same.
（従来の技術）
曝気槽の内部には多数の散気板からなる散気装置が設け
られているが、従来の散気装置は固定式のものであった
のでその位置を変更することができず、またその数を増
加することも操業中は不可能であった。また一部にはス
イングアームにより吊上げ可能とした散気装置も用いら
れているが、これは定位置において単に昇降することが
できるだけのものであり、その平面的配置や数を変更す
ることは不可能なものであった。(Conventional technology) Inside the aeration tank, there is an aeration device consisting of a large number of aeration plates, but because the conventional aeration device was a fixed type, its position could not be changed. It was also impossible to increase the number during operation. Some air diffusers are also used that can be lifted by swing arms, but these can only be moved up and down in a fixed position, and their planar arrangement or number cannot be changed. It was possible.
しかし下水処理場の曝気槽に流入する原水の流量やＲＯ
Ｄ等は変動が大きく、季節的要因等によっても曝気槽の
ＢＯＤ負荷は大きく増減するのが普通である。従って原
水の流入量等が変動したような場合にも、これに対応し
て散気装置の配置を容易に変、更することのできない従
来の散気装置や散気方法は、理想的な排水処理を行うう
えで限界があった。However, the flow rate and RO of raw water flowing into the aeration tank of a sewage treatment plant
D etc. fluctuate widely, and the BOD load in the aeration tank usually increases or decreases greatly depending on seasonal factors. Therefore, even if the amount of raw water flowing in changes, etc., the arrangement of the aeration device cannot be easily changed or changed, and conventional aeration devices and methods cannot achieve ideal drainage. There were limits to what could be done.
（発明が解決しようとする課Ｂ）
本発明は上記したような従来の問題点を解決して、処理
水の流入量や水質等の変動に対応して数や配置を容易に
変更することができる散気装置及びこれを用いた散気方
法を提供するために充放されたものである。(Problem B to be Solved by the Invention) The present invention solves the above-mentioned conventional problems, and makes it possible to easily change the number and arrangement in response to changes in the amount of inflow of treated water, water quality, etc. The purpose of this project is to provide an air diffuser that can be used as an air diffuser and an air diffuser method using the air diffuser.
（課題を解決するための手段）
上記の課題は、単数又は複数の散気ユニットに可撓性の
ある送気管と吊上網とを接続し、曝気槽内へ投込み可能
としたことを特徴とする散気装置によって解決すること
ができる。(Means for solving the problem) The above problem is solved by connecting a flexible air pipe and a lifting net to one or more aeration units, and making it possible to insert them into an aeration tank. This can be solved by using an air diffuser.
また上記の課題は、曝気槽内の原水の性状をセンサによ
り検知し、その数値に応じて曝気槽内に投入する散気装
置の配置や数を制御することを特徴とする散気方法によ
り解決することができる。In addition, the above problem can be solved by an aeration method that is characterized by detecting the properties of raw water in the aeration tank using a sensor and controlling the arrangement and number of aeration devices introduced into the aeration tank according to the detected value. can do.
（実施例） 以下に本発明を図示の実施例について詳細に説明する。(Example) The present invention will be explained in detail below with reference to the illustrated embodiments.
第１図は本発明の第１の実施例を示すもので、（１）は
中空の空気室（２）の上面に例えばセラ逅ツタ多孔体か
らなる散気板（３）を取付けた散気ユニットである０本
実施例では散気板（３）は押え治具（４）によって一体
化されたものであり、その上面には空気室（２）の内部
に散気用の圧縮空気を供給するための可撓性のある送気
管（５）が接続されている。この送気管（５）は散気ユ
ニッＩ−（１）を吊上げるための吊上網（６）を兼ねる
ものとされているが、送気管（５）と吊上網（６）とを
別体のものとすることもできる。（７）は送気管（５）
の途中に必要に応じて取付けられたセンサであり、曝気
中の汚水の０□濃度やＲＯＤを検出することができる。FIG. 1 shows a first embodiment of the present invention, in which (1) shows a diffuser in which a diffuser plate (3) made of, for example, a porous ceramic ivy material is attached to the upper surface of a hollow air chamber (2). In this embodiment, the air diffuser plate (3) is integrated with a holding jig (4), and the upper surface of the air diffuser plate (3) is used to supply compressed air for air diffusion into the air chamber (2). A flexible air pipe (5) is connected thereto. This air pipe (5) is supposed to also serve as a lifting net (6) for lifting the air diffuser unit I-(1), but the air pipe (5) and the lifting net (6) are separate bodies. It can also be taken as a thing. (7) is the air pipe (5)
This sensor is installed as necessary in the middle of the aeration, and can detect the 0□ concentration and ROD of wastewater during aeration.
このような散気ユニット（１）は曝気槽（８）の内部に
図示のように投込んで使用されるものである。Such an aeration unit (1) is used by being placed inside an aeration tank (8) as shown.
第２図に示される第２の実施例では、枠（９）の底面に
複数の散気板（３）が取付けられて散気ユニット（１）
を形成している。この場合には吊上′ｌ１４（６）を兼
ねる送気管（５）は枠（９）の上部中心に取付具Ｇｏ）
によって固定されている。このように散気ユニット（１
）をブロック化しておけばその取扱いが容易となる利点
がある。In the second embodiment shown in FIG. 2, a plurality of air diffuser plates (3) are attached to the bottom of the frame (9) to form an air diffuser unit (1).
is formed. In this case, the air pipe (5) that also serves as the lifting device (6) is attached to the center of the upper part of the frame (9).
Fixed by In this way, the diffuser unit (1
) has the advantage of being easier to handle.
なお、実施例では散気板（３）により散気ユニット（１
）を構成したが、これに限定されるものではなく、散気
管やデイフユーザ−等を使用することもできる。In addition, in the embodiment, the diffuser unit (1) is connected by the diffuser plate (3).
), but the invention is not limited to this, and it is also possible to use a diffuser pipe, a diffuser, or the like.
（作用）
このように構成された本発明の散気装置は、原水の流入
量等の変化に応じて曝気槽（８）内部へ投込んで使用さ
れるものであり、単数又は複数の散気ユニット（１）を
可撓性の送気管（５）と吊上網（６）によって支持して
自由な位置に設置することができる。(Function) The aeration device of the present invention configured as described above is used by being poured into the aeration tank (8) according to changes in the amount of inflow of raw water, etc. The unit (1) can be supported by a flexible air pipe (5) and a hanging net (6) and installed in any position.
そして送気管（５）から圧縮空気を空気室（２）内へ供
給することによって、曝気槽（８）内の任意の位置から
散気を行わせることができる。投込み位置は全面曝気の
場合には全面に、また旋回式曝気の場合には片側のみと
すればよく、勿論既設の固定式の散気装置は組合せて用
いることもできる。このように、本発明の散気装置は従
来の固定式のものとは異なり、曝気槽（８）の内部に投
込むことによってその配置や数を自由に変えることがで
きるので、原水の流入量やＢＯＤ等の変動に応じて常に
最適な曝気を行わせることができる。また本発明の散気
装置は吊上Ｘ （６）によって自由に水面上へ吊上げる
ことができるので、保守点検作業も容易に行うことがで
きる。By supplying compressed air into the air chamber (2) from the air supply pipe (5), aeration can be performed from any position within the aeration tank (8). The injection position may be the entire surface in the case of full-surface aeration, or only on one side in the case of rotating aeration. Of course, existing fixed aeration devices can also be used in combination. In this way, the aeration device of the present invention is different from the conventional fixed type, and the arrangement and number of the aeration tank (8) can be changed freely by inserting it into the aeration tank (8). Optimum aeration can be performed at all times according to changes in BOD, etc. Furthermore, since the air diffuser of the present invention can be freely lifted above the water surface using the lifting device X (6), maintenance and inspection work can be easily performed.
更に実施例のように、送気管（５）の途中にセンサ（７
）を取付けておけば、各投入ポイントにおける水質状況
を把握できるとともに各散気ユニット（１）への空気供
給量を適切に制御することが可能となり、曝気槽（８）
内全体の制御を合理的に行うことができる。Furthermore, as in the embodiment, a sensor (7) is installed in the middle of the air pipe (5).
), it is possible to grasp the water quality situation at each input point and to appropriately control the amount of air supplied to each aeration unit (1).
It is possible to rationally control the entire interior.
このように本発明の散気装置を使用すれば、センサ（７
）によって検知された曝気槽（８）内の原水の性状に応
じて曝気槽（８）内に投入する散気装置の配置や数を制
御することができる０例えば、第３図のＡ、Ｂ、Ｃに示
すように曝気槽（８）の内部に酸素濃度の不足する部分
が生じたような場合には、それらの部分に本発明の散気
装置を投入することにより散気状況を変化させ、曝気槽
（８）内の酸素濃度分布を改善することができることと
なる。If the air diffuser of the present invention is used in this way, the sensor (7
) The arrangement and number of air diffusers to be introduced into the aeration tank (8) can be controlled according to the properties of the raw water in the aeration tank (8) detected by , C, if there are areas with insufficient oxygen concentration inside the aeration tank (8), the aeration situation can be changed by inserting the aeration device of the present invention into those areas. , the oxygen concentration distribution within the aeration tank (8) can be improved.
（発明の効果）
本発明は以上に説明したとおり、処理水の流入量や水質
等の変動に対応して曝気槽内における散気ユニットの配
置や数を容易に変更することができるものであり、また
保守点検作業の容易化や曝気槽内の散気状況の制御の適
正化にも寄与することができる。よって本発明は従来の
問題点を一掃した散気装置及びこれを用いた散気方法と
して、産業の発展に寄与するところは極めて大きいもの
がある。(Effects of the Invention) As explained above, the present invention allows the arrangement and number of aeration units in an aeration tank to be easily changed in response to changes in the amount of inflow of treated water, water quality, etc. Moreover, it can also contribute to the ease of maintenance and inspection work and the optimization of control of the aeration situation in the aeration tank. Therefore, the present invention greatly contributes to the development of industry as an aeration device and an aeration method using the same that eliminate the problems of the conventional devices.
第１図は本発明の第１の実施例を示す斜視図、第２図は
第２の実施例を示す斜視図、第３図のＡ、Ｂ、Ｃはいず
れも曝気槽の内部における酸素濃度の分布例を示す平面
図である。
（１）：散気ユニット、（２）：空気室、（３）：散気
板、（５）送気管、（６）：吊上網、（７）：センサ、
（８） ： ＩＩＩ気槽。FIG. 1 is a perspective view showing the first embodiment of the present invention, FIG. 2 is a perspective view showing the second embodiment, and A, B, and C in FIG. 3 are oxygen concentrations inside the aeration tank. FIG. 3 is a plan view showing an example of the distribution of (1): Air diffuser unit, (2): Air chamber, (3): Air diffuser plate, (5) Air pipe, (6): Hanging net, (7): Sensor,
(8): III tank.
Claims (1)
送気管（５）と吊上綱（６）とを接続し、曝気槽（８）
内へ投込み可能としたことを特徴とする散気装置。 ２、送気管（５）が吊上綱（６）を兼ねるものである請
求項１記載の散気装置。 ３、曝気槽（８）内の原水の性状をセンサ（７）により
検知し、その数値に応じて曝気槽（８）内に投入する請
求項１の散気装置の配置や数を制御することを特徴とす
る散気方法。[Claims] 1. A flexible air pipe (5) and a lifting cable (6) are connected to one or more aeration units (1), and an aeration tank (8) is installed.
An air diffuser characterized by being able to be thrown into the air. 2. The air diffuser according to claim 1, wherein the air pipe (5) also serves as a lifting rope (6). 3. Detecting the properties of the raw water in the aeration tank (8) with a sensor (7) and controlling the arrangement and number of the aeration device according to claim 1, which is introduced into the aeration tank (8) according to the detected value. An aeration method characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1267360A JPH03127695A (en) | 1989-10-13 | 1989-10-13 | Air diffuser and air diffusion method using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1267360A JPH03127695A (en) | 1989-10-13 | 1989-10-13 | Air diffuser and air diffusion method using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03127695A true JPH03127695A (en) | 1991-05-30 |
| JPH0536117B2 JPH0536117B2 (en) | 1993-05-28 |
Family
ID=17443743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1267360A Granted JPH03127695A (en) | 1989-10-13 | 1989-10-13 | Air diffuser and air diffusion method using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127695A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006263585A (en) * | 2005-03-24 | 2006-10-05 | Ngk Insulators Ltd | Method for preventing clogging of air diffuser and method for operating air diffuser using this method |
| JP2007038198A (en) * | 2004-10-26 | 2007-02-15 | Daicen Membrane Systems Ltd | Air diffuser and diffuser system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129192A (en) * | 1983-12-14 | 1985-07-10 | Jun Ui | Batch treating apparatus of sewage |
| JPS61135596U (en) * | 1985-02-13 | 1986-08-23 |
-
1989
- 1989-10-13 JP JP1267360A patent/JPH03127695A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129192A (en) * | 1983-12-14 | 1985-07-10 | Jun Ui | Batch treating apparatus of sewage |
| JPS61135596U (en) * | 1985-02-13 | 1986-08-23 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007038198A (en) * | 2004-10-26 | 2007-02-15 | Daicen Membrane Systems Ltd | Air diffuser and diffuser system |
| JP2006263585A (en) * | 2005-03-24 | 2006-10-05 | Ngk Insulators Ltd | Method for preventing clogging of air diffuser and method for operating air diffuser using this method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0536117B2 (en) | 1993-05-28 |
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