JPS62286594A - Apparatus for distribution control of inflow load of water treatment plant - Google Patents
Apparatus for distribution control of inflow load of water treatment plantInfo
- Publication number
- JPS62286594A JPS62286594A JP61127352A JP12735286A JPS62286594A JP S62286594 A JPS62286594 A JP S62286594A JP 61127352 A JP61127352 A JP 61127352A JP 12735286 A JP12735286 A JP 12735286A JP S62286594 A JPS62286594 A JP S62286594A
- Authority
- JP
- Japan
- Prior art keywords
- inflow
- wastewater
- water quality
- anaerobic reactor
- water
- 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 57
- 238000011282 treatment Methods 0.000 title claims abstract description 19
- 239000002351 wastewater Substances 0.000 claims abstract description 50
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000014509 gene expression Effects 0.000 claims description 3
- 238000011272 standard treatment Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract 2
- 238000000746 purification Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 244000005700 microbiome Species 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010802 sludge 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
〔発明の目的〕
（産業上の利用分野）
本発明は下水や産業廃水を微生物を利用して浄化する水
処理装置の流入負荷分配ル制御装置に関する。[Detailed Description of the Invention] 3. Detailed Description of the Invention [Object of the Invention] (Field of Industrial Application) The present invention is directed to inflow load distribution control for water treatment equipment that purifies sewage and industrial wastewater using microorganisms. Regarding equipment.
（従来の技術）
下水や産業廃水などの有機性廃水は活性汚泥やメタン菌
などの微生物の動きによって浄化される。(Prior Art) Organic wastewater such as sewage and industrial wastewater is purified by the movement of activated sludge and microorganisms such as methane bacteria.
特に近年ではメタン菌を応用した嫌気性処理が省エネル
ギーの観点から注目されている。Particularly in recent years, anaerobic treatment using methane bacteria has attracted attention from the perspective of energy conservation.
これらの水処理システムでは特に下水処理のように多量
の廃水を浄化する場合は、複数のりアクタを持つ構成が
一般的である。従来このような水処理システムでは、複
数のりアクタへの流入廃水量が均等になるように制御さ
れていた。この従来例では、運転管理が非常に容易であ
る反面、次のような欠点が必った。すなわち、微生物は
何らかの原因で浄化能力が低下することがあり、これは
現在の技術では避けられない。浄化能力が低下した場合
は流入負荷を軽減させる運転管理を行い、浄化能力のよ
り一層の低下を防止する必要が必る。In these water treatment systems, a configuration having a plurality of actuators is common, especially when purifying a large amount of wastewater such as in sewage treatment. Conventionally, in such water treatment systems, the amount of wastewater flowing into the plurality of reactors is controlled to be equal. Although this conventional example is very easy to manage, it has the following drawbacks. That is, the purification ability of microorganisms may decrease for some reason, and this cannot be avoided with current technology. If the purification capacity decreases, it is necessary to perform operational management to reduce the inflow load to prevent further decrease in the purification capacity.
しかし、複数のりアクタへ流入廃水ωを均等に分配する
従来例ではこのような対処ができなかった。However, in the conventional example in which the inflowing wastewater ω is evenly distributed to a plurality of glue actors, such measures cannot be taken.
このため、何らかの原因で浄化能力が低下したりアクタ
では、ざらに浄化能力が低下し、処理水質が悪化する。For this reason, if the purification ability is reduced for some reason, or in the case of an actor, the purification ability is drastically reduced, and the quality of the treated water deteriorates.
（発明が解、決しようとする問題点）
すなわらリアクタへの流入廃水間を制御することができ
ず、浄化能力の低下による処理水質の悪化が生じること
があった。(Problems to be solved by the invention) In other words, it is not possible to control the amount of wastewater flowing into the reactor, and the quality of treated water may deteriorate due to a decrease in purification ability.
したがって本発明の目的は、各嫌気性リアクタの処理能
力に応じて流入廃水量をル制御するようにして、常に良
好な処理水が得られるようにしだ流入負荷分配制御装置
を提供することにある。Therefore, an object of the present invention is to provide an inflow load distribution control device that controls the amount of inflow wastewater according to the processing capacity of each anaerobic reactor so that good treated water can always be obtained. .
（発明の構成）
（問題点を解決するための手段）
本発明は廃水流入管路から分岐された複数の流入管路毎
にそれぞれ嫌気性リアクタを設けた水処理装置の流入負
荷分配制御装置に関するもので、前記廃水流入管路およ
び分岐された各流入管路に流れる廃水の流量をそれぞれ
測定する流量計を設けると共に前記廃水流入管路に流れ
る廃水の温度を測定する温度計を設け、ざらに各嫌気性
リアクタから流出する処理水の水質をそれぞれ測定する
水質計を設（プる。また演算装置として、前記温度計に
よる廃水温度と、分岐された各流入管路毎の廃水流山と
を入力し、予め設定された基準関係式にて基９％理水質
を各嫌気性リアクタ毎に求める手段と、これら基準処理
水質と前記水質計にて実測された処理水質とにより各嫌
気性リアクタ毎にその処理能力を求める手段と、これら
各嫌気Ｖ１リアクタ毎の処理能力に応じて、前記廃水流
入管路に流れる流入廃水の、各嫌気性リアクタに対する
分配量を決定する手段とを持つものを用いる。(Structure of the Invention) (Means for Solving the Problems) The present invention relates to an inflow load distribution control device for a water treatment device in which an anaerobic reactor is provided for each of a plurality of inflow pipes branched from a wastewater inflow pipe. A flowmeter is provided to measure the flow rate of wastewater flowing into the wastewater inflow pipe and each of the branched inflow pipes, and a thermometer is provided to measure the temperature of the wastewater flowing into the wastewater inflow pipe. A water quality meter is designed to measure the quality of the treated water flowing out from each anaerobic reactor. Also, as a calculation device, the wastewater temperature measured by the thermometer and the wastewater flow rate for each branched inflow pipe are input. Then, by means of determining the base 9% water quality for each anaerobic reactor using a preset standard relational expression, and by using these standard treated water quality and the treated water quality actually measured by the water quality meter, it is determined for each anaerobic reactor. A device having a means for determining the processing capacity and a means for determining the amount of inflow wastewater flowing into the wastewater inflow pipe to be distributed to each anaerobic reactor according to the processing capacity of each of these anaerobic V1 reactors is used.
（作 用）
本発明では、各嫌気性リアクタ毎にそれらの処理能力を
求め、この処理能力に対応して、各嫌気性リアクタへの
流入負荷量を決定し、これによって、流入廃水を分配す
ることににす、従来のように処理能力が低下した嫌気性
リアクタに均等な負ｌを与え続Ｃプることにより９８理
水貿を低下さけることなく、ｎシに一定の良好な水質が
得られる。(Function) In the present invention, the processing capacity of each anaerobic reactor is determined, and the amount of inflow load to each anaerobic reactor is determined in accordance with this processing capacity, thereby distributing the inflow wastewater. In particular, by applying an even negative l to an anaerobic reactor whose processing capacity has decreased as in the past, it is possible to maintain a constant level of good water quality without reducing water quality. It will be done.
（実施例）
第１図は本発明の一実施例を示すもので、ｎ個の嫌気性
リアクタ７ａ、７ｂ、・・・、７ｒ）から成る水処理施
設の概略ブロック図である。図において、廃水流入管路
１には流量計２および湿度計３が設置されており、これ
によって流入廃水の流はおよび水温が測定される。また
分岐された各廃水流入管路１ａ、１ｂ、−，ｉｎには流
量計４ａ、４ｂ。(Embodiment) FIG. 1 shows an embodiment of the present invention, and is a schematic block diagram of a water treatment facility consisting of n anaerobic reactors 7a, 7b, . . . , 7r). In the figure, a flow meter 2 and a hygrometer 3 are installed in a wastewater inflow pipe 1, and the flow and temperature of the inflowing wastewater are measured by these. Further, flow meters 4a, 4b are installed in each of the branched wastewater inflow pipes 1a, 1b, -,in.
・・・、４ｎが設置されており、これらによって各嫌気
性リアクタ７ａ、７ｂ、・・・、７ｎに流入される廃水
量がそれぞれ測定される。さらに各廃水流入管路１ａ、
１ｂ、・・・、１ｎには、それぞれ調節バルブ５ａ、５
ｂ、・・・、５ｎが設けられ、対応するリアクタ７ａ、
７ｂ、・・・７ｎへの流入廃水間を所望の値に調節する
。これら各リアクタ７ａ、７ｂ。..., 4n are installed, and the amount of waste water flowing into each anaerobic reactor 7a, 7b, ..., 7n is measured by these. Furthermore, each wastewater inflow pipe 1a,
1b, . . . , 1n have control valves 5a, 5, respectively.
b,..., 5n are provided, and corresponding reactors 7a,
7b, . . . 7n is adjusted to a desired value. Each of these reactors 7a, 7b.
・・・、７ｎの流出側には処理水管路１０ａ、１０ｂ、
・・・。..., on the outflow side of 7n, there are treated water pipes 10a, 10b,
....
Ｉｏｎが連結されており、これらには処理水の水質を測
定するために水質計８ａ、３ｂ、・・・、３ｎが設（プ
られる。Ion are connected, and water quality meters 8a, 3b, . . . , 3n are installed in these to measure the water quality of the treated water.
９は演算装置で、前述した各流量計２および４ａ、４ｂ
、 ・、４ ｎ、 温度計３、各水質ｉｔ ８ ａ 。Reference numeral 9 denotes a calculation device, which connects each of the flowmeters 2, 4a, and 4b described above.
, , 4 n, 3 thermometers, each water quality it 8 a.
８ｂ、・・・、８ｎの各測定信号を入力し、後述する演
算手法により、分岐された各廃水流入管路１ａ。8b, . . . , 8n are input, and each wastewater inflow pipe 1a is branched by a calculation method described later.
１ｂ、・・・、１ｎの流入廃水量を決定する。５ａ。Determine the amount of inflow wastewater of 1b, . . . , 1n. 5a.
６ｂ、・・・、５ｎは流量調節装置で、各廃水流入管路
１ａ、１ｂ、・・・、１ｎ毎に設けられ、前記演算装置
９にて求められた流入廃水量を得るべく対応する流ｍ計
４ａ、４ｂ、・・・、４ｎの値を入力しながら、対応す
る調節バルブ５ａ、５ｂ、・・・、５ｎの開度度調節を
行う。Reference numerals 6b, . . . , 5n are flow rate regulating devices, which are provided for each of the wastewater inflow pipes 1a, 1b, . While inputting the values of the m totals 4a, 4b, . . . , 4n, the opening degrees of the corresponding control valves 5a, 5b, .
ここで、前記演算装置９には予め嫌気性リアクタフａ、
７ｂ、・・・、７ｎへの流入廃水量および水温と処理水
質との基準関係式が与えられている。Here, the arithmetic unit 9 is provided with an anaerobic reactor a,
7b, . . . , 7n are given standard relational expressions between the amount of wastewater flowing into them, the water temperature, and the quality of the treated water.
嫌気性リアクタ７ａ、７ｂ、・・・、７ｎによる水処理
では、その処理効率、ずなわら、処理水質は、主に流入
廃水量（水理学的滞留時間）と水温によって決定され、
α）式のような関数で表わされる。In water treatment using the anaerobic reactors 7a, 7b, ..., 7n, the treatment efficiency, as well as the quality of the treated water, are mainly determined by the amount of inflow wastewater (hydraulic residence time) and water temperature.
α) It is expressed by a function such as the equation.
５ｅ＝ｆ’（Ｑ、θ） ・・・■ここで
Ｓｅ ：ｌＳ理水質
Ｑ ：流入廃水量
θ ；水温
またＵ）式は廃水の性状によって変わるものであり、各
水処理施設ごとに実廃水を用いた予備実験などによって
予めα）式を決定しておく。ここで処理水質を表わす指
標としてＢＯＤ、ＣＯＤ。5e=f'(Q, θ)...■Here, Se: lS Water quality Q: Inflow wastewater amount θ; Water temperature or U) The equation changes depending on the properties of the wastewater, and the actual wastewater is determined for each water treatment facility. Formula α) is determined in advance through preliminary experiments using . Here, BOD and COD are used as indicators to express the quality of treated water.
ＴｏＣ，ＴｏＤなどを挙げることができ、各水処理１ａ
設ごとに最も適正な指標を選定する。ToC, ToD, etc. can be mentioned, and each water treatment 1a
Select the most appropriate index for each setting.
演算装置９では、予め設定されているα）式により、温
度計３および流量計４ａ、４ｂ、・・・、４ｎの値から
それぞれの嫌気性リアクタごとに基準処理水質Ｓｅ１．
Ｓｅ２．・・・、Ｓｅｎを演算する。The arithmetic unit 9 determines the standard treated water quality Se1.
Se2. ..., calculate Sen.
次に基準処理水質と、処理水管路１０ａ、１０ｂ、・・
・。Next, the standard treated water quality and treated water pipes 10a, 10b,...
・.
Ｉｏｎに設置されている水質計３ａ、 ８ｂ、・・・。Water quality meters 3a, 8b, etc. installed in Ion.
８ｎの出力（実測値）Ｓｌ、３２．−、Ｓｎとを比較す
る。その結果、基準処理水質Ｓｅ１゜Ｓｅ２．・・・、
Ｓｅｎより処理水質の測定値Ｓ１゜Ｓ２．・・・、Ｓｎ
が小さい場合は、その嫌気性リアクタの処理能力は良好
であり、また反対に基準処理水質Ｓｅ１．Ｓｅ２．・・
・、Ｓｅｎより処理水質の測定値がＳｌ、Ｓ２．・・・
、Ｓｎが大ぎい場合には、対応する嫌気性リアクタ７ａ
、７ｂ、・・・。8n output (actual measurement value) Sl, 32. −, Sn. As a result, the standard treated water quality Se1°Se2. ...,
Measured value of treated water quality from Sen S1゜S2. ..., Sn
If Se1. Se2.・・・
・, Sen, the measured value of the treated water quality is Sl, S2. ...
, Sn is too large, the corresponding anaerobic reactor 7a
,7b,...
７ｎの処理能力は低下していると判断する。次いで嫌気
性リアクタの処理能力に応じて流入廃水量゛を分配する
分配率を各嫌気性リアクタごとに演算する。分配率を演
算づる一例として０式を示す。It is determined that the processing capacity of 7n has decreased. Next, a distribution ratio for distributing the amount of inflow wastewater according to the processing capacity of the anaerobic reactor is calculated for each anaerobic reactor. Equation 0 is shown as an example of calculating the distribution ratio.
上記分配率Ｗと廃水流入管路１に設置されている流量計
２の出力ＱＴとによって次の■式に従って各嫌気性りア
クタ７ａ、７ｂ、・・・、７ｎへの流入廃水量の目標値
Ｑ１．Ｑ２．・・・Ｑｎを演算する。Based on the above distribution ratio W and the output QT of the flow meter 2 installed in the wastewater inflow pipe 1, the target value of the amount of wastewater flowing into each anaerobic reactor 7a, 7b, . . . , 7n according to the following formula Q1. Q2. ...Calculate Qn.
Ｑ１＝Ｗ１ＸＱｒ （３−１）Ｑ２
＝Ｗ２ ＸＱＴ （３−２）Ｏｎ −Ｗ
ｎ Ｘ０丁（３−３）
このようにして求めた流入廃水量の目標値は、各調節装
置５ａ、５ｂ、・・・、５ｎに出力され、目標値になる
ように廃水流入管路１ａ、ｌｂ、・・・。Q1=W1XQr (3-1)Q2
=W2 XQT (3-2)On -W
n lb...
１ｎに設置されている調節バルブ５ａ、５ｂ、・・・。Control valves 5a, 5b, . . . installed at 1n.
５ｎの開度が調節され、各リアクタ７ａ、７ｂ。The opening degree of 5n is adjusted, and each reactor 7a, 7b.
・・・、７ｎへの流入廃水量が調節される。..., the amount of wastewater flowing into 7n is adjusted.
（発明の効果）
以上述べたように本発明によれば嫌気性リアクタの処理
能力に応じて流入廃水量を制御することができるので、
常に良好な処理水を１ｑることかでき、水処理ｔ＃、設
を安定に運転管理することができる。(Effects of the Invention) As described above, according to the present invention, the amount of inflowing wastewater can be controlled according to the processing capacity of the anaerobic reactor.
It is possible to always produce 1 q of good quality treated water, and the water treatment facility can be operated and managed in a stable manner.
第１図は本発明による水処理装置の流入負荷分配制御装
置の一実施例を示す概略ブロック図で必る。
１、１ａ、ｉ ｂ、 〜、１ ｎ・’−廃水流入管路、
２・・・流量計、３・・・温度計、
４ａ、４ｂ、 〜、４ｎ−・・流量計、５ａ、 ６ｂ、
−＊ ６ｎ・；Ｊ節Ｈａ、７ａ、７ｂ、〜、７ｎ・・・
嫌気性リアクタ、３ａ、 ８ｂ、 〜、Ｅ３ｎ・・・水
質計９・・・演算装置
代理人 弁理士 則 近 憲 ’Ａ３
同 三俣弘文FIG. 1 is a schematic block diagram showing an embodiment of an inflow load distribution control device for a water treatment device according to the present invention. 1, 1a, ib, ~, 1 n・'-wastewater inflow pipe,
2...Flowmeter, 3...Thermometer, 4a, 4b, ~, 4n-...Flowmeter, 5a, 6b,
-* 6n・; J section Ha, 7a, 7b, ~, 7n...
Anaerobic reactor, 3a, 8b, ~, E3n...Water quality meter 9...Arithmetic device agent Patent attorney Noriyoshi Chika 'A3 Hirofumi Mitsumata
Claims (1)
れ嫌気性リアクタを設けた水処理装置の流入負荷分配制
御装置において、 前記廃水流入管路および分岐された各流入管路に流れる
廃水の流量をそれぞれ測定する流量計と、前記廃水流入
管路に流れる廃水の温度を測定する温度計とを備え 各嫌気性リアクタから流出する処理水の水質をそれぞれ
測定する水質計と、 前記温度計による廃水温度と分岐された各流入管路毎の
廃水流量とを入力し予め設定された基準関係式にて基準
処理水質を各嫌気性リアクタ毎に求める手段と、 これら基準処理水質と前記水質計にて実測された処理水
質とにより各嫌気性リアクタ毎にその処理能力を求める
手段と、 これら各嫌気性リアクタ毎にその処理能力に応じて、前
記廃水流入管路に流れる流入廃水の、各嫌気性リアクタ
に対する分配量を決定する手段とを有する演算装置、 を設けたことを特徴とする水処理装置の流入負荷分配制
御装置。[Scope of Claims] An inflow load distribution control device for a water treatment device in which an anaerobic reactor is provided for each of a plurality of inflow pipes branched from a wastewater inflow pipe, comprising: A water quality meter that measures the quality of treated water flowing out from each anaerobic reactor, comprising a flowmeter that measures the flow rate of wastewater flowing into each pipe, and a thermometer that measures the temperature of wastewater flowing into the wastewater inflow pipe. and means for inputting the wastewater temperature measured by the thermometer and the wastewater flow rate for each branched inflow pipe, and calculating the standard treated water quality for each anaerobic reactor using a preset standard relational expression, and these standard treatments. means for determining the processing capacity of each anaerobic reactor based on the water quality and the treated water quality actually measured by the water quality meter; and inflow flowing into the wastewater inflow pipe according to the processing capacity of each of these anaerobic reactors An inflow load distribution control device for a water treatment device, comprising: a calculation device having means for determining the distribution amount of wastewater to each anaerobic reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61127352A JPS62286594A (en) | 1986-06-03 | 1986-06-03 | Apparatus for distribution control of inflow load of water treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61127352A JPS62286594A (en) | 1986-06-03 | 1986-06-03 | Apparatus for distribution control of inflow load of water treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62286594A true JPS62286594A (en) | 1987-12-12 |
Family
ID=14957805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61127352A Pending JPS62286594A (en) | 1986-06-03 | 1986-06-03 | Apparatus for distribution control of inflow load of water treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62286594A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009529417A (en) * | 2006-03-15 | 2009-08-20 | メリ エントゾルグングステヒニック フューア ディ パピーアインドゥストリー ゲーエムベーハー | Method and apparatus for wastewater anaerobic treatment |
| JP2014233681A (en) * | 2013-06-03 | 2014-12-15 | 住友重機械工業株式会社 | Anaerobic treatment apparatus |
-
1986
- 1986-06-03 JP JP61127352A patent/JPS62286594A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009529417A (en) * | 2006-03-15 | 2009-08-20 | メリ エントゾルグングステヒニック フューア ディ パピーアインドゥストリー ゲーエムベーハー | Method and apparatus for wastewater anaerobic treatment |
| JP2014233681A (en) * | 2013-06-03 | 2014-12-15 | 住友重機械工業株式会社 | Anaerobic treatment apparatus |
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