JPS6345000A - Device for flocculating sludge of water treatment - Google Patents
Device for flocculating sludge of water treatmentInfo
- Publication number
- JPS6345000A JPS6345000A JP62051482A JP5148287A JPS6345000A JP S6345000 A JPS6345000 A JP S6345000A JP 62051482 A JP62051482 A JP 62051482A JP 5148287 A JP5148287 A JP 5148287A JP S6345000 A JPS6345000 A JP S6345000A
- Authority
- JP
- Japan
- Prior art keywords
- water treatment
- flocculant
- treatment sludge
- evaluation
- evaluation data
- 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
- 239000010802 sludge Substances 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 230000003311 flocculating effect Effects 0.000 title description 11
- 238000011156 evaluation Methods 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000005189 flocculation Methods 0.000 claims description 23
- 230000016615 flocculation Effects 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 12
- 238000010790 dilution Methods 0.000 claims description 9
- 239000012895 dilution Substances 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 5
- 238000004220 aggregation Methods 0.000 claims description 2
- 230000002776 aggregation Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 3
- 238000007865 diluting Methods 0.000 abstract 3
- 239000008394 flocculating agent Substances 0.000 abstract 3
- 244000144992 flock Species 0.000 abstract 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000701 coagulant Substances 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 208000005156 Dehydration Diseases 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分平Ｆ
本発明は、水処理汚泥の凝集装置に関し、さらに詳しく
は、凝集剤を適正な添加量で水処理汚泥に混和して凝集
させる装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for flocculating water treatment sludge, and more particularly to an apparatus for coagulating water treatment sludge by mixing a flocculant in an appropriate amount with the water treatment sludge.
従来技術とその問題点
水処理汚泥の脱水助剤として無機系あるいは有機系の凝
集剤が水処理汚泥に混和されるが、凝集剤の添加量を多
くすると運転コストが上昇するばかりでなく却って凝集
の悪化を招き、少なくすれば必要な凝集効果が得られな
いので、添加量を適正にする必要がある。Conventional technology and its problems An inorganic or organic flocculant is mixed into water treatment sludge as a dewatering aid for water treatment sludge, but adding a large amount of flocculant not only increases operating costs but also causes flocculation. If the amount is too small, the necessary coagulation effect cannot be obtained, so it is necessary to adjust the amount of addition appropriately.
そこで、従来、凝集剤の添加量を適正に制御するための
種々の方式が採用されている。Therefore, various methods have been used to appropriately control the amount of coagulant added.
たとえば特公昭５９−５３１２０号公報には、凝集剤を
混和した水処理汚泥をサンプリングし、目の大きさの異
なる多段のふるい網を通過させることによって凝集フロ
ックの粒径分布を測定し、その粒径分布が所定の基準に
合致するように凝集剤の添加量を関節する方式が開示さ
れている。For example, in Japanese Patent Publication No. 59-53120, the particle size distribution of coagulated flocs was measured by sampling water treatment sludge mixed with a flocculant and passing it through a multistage sieve net with different mesh sizes. A method is disclosed in which the amount of flocculant added is adjusted so that the diameter distribution meets a predetermined standard.
しかし、この方式は、操作が複雑で、結果を（ηるのに
時間がかかり、凝集装置に組み込んで自動的に凝集剤の
添加量を制御するように利用することができない問題点
がある。However, this method has the problem that the operation is complicated, it takes time to obtain the results, and it cannot be incorporated into a flocculating device and used to automatically control the amount of flocculant added.
なお、その他の関連する技術としては、たとえば特開昭
５９−１．８３８９８号公報や特開昭６０−２５５９８
号公報等に開示の技術がある。Other related techniques include, for example, Japanese Patent Application Laid-Open No. 59-1.83898 and Japanese Patent Application Laid-Open No. 60-25598.
There is a technique disclosed in the publication.
発明の目的
本発明の目的とするところは、水処理汚泥への凝集剤の
添加量を自動的に適正に制御するようにした水処理汚泥
の凝集装置を提供することにある。OBJECTS OF THE INVENTION It is an object of the present invention to provide a water treatment sludge flocculation device that automatically and appropriately controls the amount of flocculant added to water treatment sludge.
発明の構成
本発明の水処理汚泥の凝集装置は、水処理汚泥に凝集剤
を混和して凝集させる装置において、凝集剤混和後の水
処理汚泥の状態を非接触に検出する非接触検出部と、検
出データから評価データを得る評価部と、評価データを
設定基準に合致させる方向に凝集剤の添加量を増減する
添加量調節部とを具備したことを構成上の特徴とするも
のである。Structure of the Invention The water treatment sludge flocculation apparatus of the present invention is an apparatus for mixing a flocculant into water treatment sludge and flocculating it, which includes a non-contact detection part that non-contact detects the state of the water treatment sludge after the flocculant has been mixed therein. The present invention is characterized in that it includes an evaluation section that obtains evaluation data from detected data, and an addition amount adjustment section that increases or decreases the amount of flocculant added so that the evaluation data matches a set standard.
上記構成において「水処理汚泥の状態」としては、例え
ば「凝集剤の混和により生じた凝集フロックの形状」や
［凝集剤の混和により生じた泡の発生状態」を挙げられ
る。In the above configuration, the "state of water treatment sludge" includes, for example, "the shape of flocculation caused by mixing the flocculant" and "the state of foam generation caused by mixing the flocculant".
また、「非接触検出部」とは、光や超音波やＸ線等を用
いて非接触に検出する手段を意味するもので、ふるいの
ごとき機械的手段や化学的な手段は含まない。Furthermore, the term "non-contact detection section" means a means for non-contact detection using light, ultrasound, X-rays, etc., and does not include mechanical means such as a sieve or chemical means.
また、「検出データ」とは、例えば凝集フロックの平均
粒径２周囲径、断面積２輪郭等の形状データの少なくと
も１つ若しくは水処理汚泥を上方から見たときの視野中
の海部分の比率データを挙げられる。In addition, "detection data" refers to at least one of shape data such as the average particle diameter, circumference, cross-sectional area, and outline of coagulated flocs, or the ratio of the sea area in the field of view when water treatment sludge is viewed from above. Can list data.
また、「評価データ］とは、前記検出データを設定基準
との比較をおこないやすい数値にパラメータ化したもの
である。検出データが例えば凝集フロックの平均粒径で
あるならば、そのままで比較可能であるから、そのまま
評価データとして採用することも可能である。評価デー
タは、デジタル量で表してもよく、また、アナログ量で
表してもよい。In addition, "evaluation data" is the detected data that has been parameterized into numerical values that are easy to compare with set standards.If the detected data is, for example, the average particle size of agglomerated flocs, it can be compared as is. Therefore, it is possible to use the evaluation data as is.Evaluation data may be expressed as a digital quantity or as an analog quantity.
実施例
以下、図に示す実施例に基づいて本発明をさらに詳しく
説明する。ただし、図に示す実施例により本発明が限定
されるものではない。ここに第１図は本発明の一実施例
の水処理汚泥の凝集装置の模式的構成図、第２図は他実
施例の第１図相当図、第３図Ｆａ） （ｂ） （ｅｌは
画面中に見える泡を示す例示図である。EXAMPLES Hereinafter, the present invention will be explained in more detail based on examples shown in the drawings. However, the present invention is not limited to the embodiments shown in the figures. Here, FIG. 1 is a schematic configuration diagram of a water treatment sludge flocculating apparatus according to one embodiment of the present invention, FIG. 2 is a diagram corresponding to FIG. 1 of another embodiment, and FIG. 3 is FIG. 3 is an exemplary diagram showing bubbles visible on the screen.
第１図に示す水処理汚泥の凝集装置１において、汚泥貯
槽２に溜められた水処理汚泥Ｓは、汚泥供給ポンプ３に
よって、凝集混和槽４に送られる。In a water treatment sludge flocculation apparatus 1 shown in FIG. 1, water treatment sludge S stored in a sludge storage tank 2 is sent to a flocculation mixing tank 4 by a sludge supply pump 3.
一方、凝集剤貯槽５に溜められた凝集剤ｆは、凝集剤供
給ポンプ６によって凝集混和槽４に送られる。８は流量
計である。On the other hand, the flocculant f stored in the flocculant storage tank 5 is sent to the flocculant mixing tank 4 by the flocculant supply pump 6. 8 is a flow meter.
水処理汚泥Ｓ、ｌ！：凝集剤ｆは、凝集混和槽４におい
て、凝集混和槽撹拌機７にて撹拌混和される。Water treatment sludge S, l! : The flocculant f is stirred and mixed in the flocculation mixing tank 4 by the flocculation mixing tank stirrer 7.
水処理汚泥Ｓに凝集剤ｆを混和すると、はぼ１分以内に
凝集フロックが形成される。When the flocculant f is mixed into the water treatment sludge S, flocs are formed within about one minute.
ここで生じた凝集フロックは、自然流下によって脱水機
９へと送られる。この脱水機９は、たとえばベルトプレ
ス脱水機である。The flocs produced here are sent to the dehydrator 9 by gravity. This dehydrator 9 is, for example, a belt press dehydrator.
凝集混和槽４から送り出された凝集フロックの一部は、
自動弁１０を通して凝集フロック希釈槽１１に分取され
る。A part of the flocculated flocs sent out from the flocculation mixing tank 4 is
The coagulated flocs are fractionated into a dilution tank 11 through an automatic valve 10.
凝集フロック希釈槽１１には、自動弁１２を通して希釈
水Ｗが供給される。すなわち、凝集フロックの個々の形
状が明確になるような程度に凝集フロックの密度を希釈
するのである。Dilution water W is supplied to the coagulated floc dilution tank 11 through an automatic valve 12 . That is, the density of the flocs is diluted to such an extent that the individual shapes of the flocs become clear.
凝集フロック希釈槽１１において、所定の割合で希釈さ
れた凝集フロックは、カメラ手段１３によって、光学像
としてとらえられ、電気的な画像信号に変換されて画像
処理装置１４に出力される。The flocs diluted at a predetermined ratio in the flocculation dilution tank 11 are captured as an optical image by the camera means 13, converted into an electrical image signal, and output to the image processing device 14.
かかるカメラ手段１３としては、テレビカメラあるいは
イメージセンサ等を用いることができる。As the camera means 13, a television camera, an image sensor, or the like can be used.
画像処理装置１４は、画像信号を解析する演算を行って
、凝集フロックの平均粒径１周囲長２面積等の形状指標
のうち少なくとも１つを算出する。The image processing device 14 performs calculations to analyze the image signal and calculates at least one shape index such as average particle diameter, circumference, and area of the aggregated flocs.
凝集フロックの形状が略球体であるならば、たとえば平
均粒径のみを得るようにしてもよい。一方、凝集フロッ
クの形状がペレット状であるならば、たとえば周囲長だ
けを得るようにしてもよい。If the shape of the aggregated floc is approximately spherical, for example, only the average particle size may be obtained. On the other hand, if the shape of the aggregated floc is pellet-like, for example, only the peripheral length may be obtained.
また、凝集フロックの形状が複雑であるならば、たとえ
ば周囲長と面積とを得るようにしてもよい。Furthermore, if the shape of the agglomerated floc is complex, for example, the perimeter and area may be obtained.
画像処理装置１４から出力された形状データは、評価手
段１５で評価データに変換され、制御装置１６に入力さ
れる。The shape data output from the image processing device 14 is converted into evaluation data by the evaluation means 15 and input to the control device 16 .
評価手段１５は、たとえば平均粒径と周囲長を乗算し、
その積を評価データとして出力するものである。The evaluation means 15, for example, multiplies the average particle diameter and the perimeter,
The product is output as evaluation data.
一方、評価データとしてたとえば平均粒径がそのまま採
用される場合であって、画像処理装置１４が平均粒径デ
ータだけを出力するような構成の場合は、画像処理装置
が平均粒径を選択的に出力すること自体が評価部として
の機能といえるので、別体の評価手段は不要となる。On the other hand, in a case where the average particle size is directly adopted as the evaluation data, and the image processing device 14 is configured to output only the average particle size data, the image processing device may selectively change the average particle size. Since the output itself can be said to be the function of the evaluation section, a separate evaluation means is not required.
１７は、凝集フロックの評価基準を設定するための基準
設定手段で、水処理汚泥Ｓの種類や、凝集剤ｆの種類や
、脱水機９の種類等を勘案して選択した評価基準を制御
装置１６に入力するものである。Reference numeral 17 denotes a standard setting means for setting evaluation standards for coagulated flocs, and the control device sets evaluation standards selected in consideration of the type of water treatment sludge S, the type of flocculant f, the type of dehydrator 9, etc. 16.
制御装置１６は、評価データと設定基準とを比較し、そ
の比較結果に基づいて凝集剤供給ポンプ６の回転数を制
御する。たとえば評価データとして平均粒径が採用され
、その値が４＋ｕであり、評価基準が５１であったとす
れば、凝集剤供給ポンプ６の回転数を上げ、凝集剤の供
給量を増加させる。逆に、凝集フロックの平均粒径が６
鰭であり設定基準の５ｍｍを超えておれば、凝集剤供給
ポンプ６の回転数を下げ、凝集剤の供給量を減少させる
。The control device 16 compares the evaluation data with a set standard, and controls the rotation speed of the flocculant supply pump 6 based on the comparison result. For example, if the average particle diameter is employed as the evaluation data and the value is 4+u and the evaluation standard is 51, the rotation speed of the flocculant supply pump 6 is increased to increase the amount of flocculant supplied. On the other hand, if the average particle size of the flocs is 6
If it is a fin and exceeds the set standard of 5 mm, the rotation speed of the flocculant supply pump 6 is lowered to reduce the amount of flocculant supplied.
制御装置１６は、凝集装置１の全体の作動の制御をも行
うものであって、前記自動弁１０．１２および自動弁１
８を制御して、所定の周期で凝集フロックのサンプリン
グを行い、上述のように凝集剤の添加量を調節する。The control device 16 also controls the overall operation of the aggregation device 1, and controls the automatic valve 10.12 and the automatic valve 1.
8, the flocs are sampled at a predetermined period, and the amount of flocculant added is adjusted as described above.
なお、画像処理装置１４．評価手段１５．制御袋Ｗ１６
は、コンピュータを中枢とする１つの装置として構成す
ることができる。Note that the image processing device 14. Evaluation means 15. Control bag W16
can be configured as a single device with a computer at its core.
さて、凝集フロックの形状は、水処理汚泥Ｓの種類や凝
集剤ｆの添加量等によって左右される。Now, the shape of the coagulated flocs depends on the type of water treatment sludge S, the amount of coagulant f added, and the like.
一方、処理効率を高めるのに適した好ましい凝集フロッ
クの形状は、水処理汚泥Ｓの種類や脱水処理の方法など
によって決まる。On the other hand, the preferred shape of the flocs suitable for increasing treatment efficiency is determined by the type of water treatment sludge S, the dewatering method, etc.
上記説明から理解されるように、この凝集装置１によれ
ば、凝集剤ｆの添加量が自動的に制御され、常に好まし
い形状の凝集フロックを形成できるようになる。したが
って、脱水機９における脱水処理の効率をも含めて高い
処理効率を得られることとなる。As understood from the above description, according to this flocculation device 1, the amount of flocculant f added is automatically controlled, and flocs having a preferable shape can always be formed. Therefore, high processing efficiency including the efficiency of dehydration processing in the dehydrator 9 can be obtained.
なお、上記実施例の凝集装置１では、凝集フロックの形
状の検出に加えて、凝集フロックの濃度をも同時検出で
きるから、その濃度により補正を加えることで、さらに
適正に凝集剤の添加量を調節することができる。In addition, in the flocculation device 1 of the above embodiment, in addition to detecting the shape of the flocs, it is also possible to simultaneously detect the concentration of the flocs, so by making corrections based on the concentration, the amount of flocculant to be added can be determined more appropriately. Can be adjusted.
変形実施例としては、上記凝集装置１の凝築フロック希
釈槽】１に代えてフローセルのような検出部を設け、凝
集フロックを連続的に流しながら形状検出を行うものが
挙げられる。As a modified embodiment, a detection section such as a flow cell is provided in place of the coagulated floc dilution tank 1 of the flocculating apparatus 1, and the shape of the flocs is detected while continuously flowing the flocs.
また、凝集混和槽攪拌機７の回転数制御を組み合わせる
ものが挙げられる。Another example is one in which rotation speed control of the flocculation mixing tank agitator 7 is combined.
次に、第２図に示す本発明の他の実施例の水処理汚泥の
凝集装置２１において、汚泥貯槽２２に溜められた水処
理汚泥Ｓは、汚泥供給ポンプ２３によって、凝集混和槽
２４に送られる。Next, in the water treatment sludge flocculating apparatus 21 according to another embodiment of the present invention shown in FIG. It will be done.
一方、凝集剤貯槽２５に溜められた凝集剤ｆは、凝集剤
供給ポンプ２６によって凝集混和槽２４に送られる。２
８は流量計である。On the other hand, the flocculant f stored in the flocculant storage tank 25 is sent to the flocculant mixing tank 24 by the flocculant supply pump 26. 2
8 is a flow meter.
水処理汚泥Ｓと凝集剤ｆとは、凝集混和槽２４において
、凝集混和撹拌機２７にて撹拌混和される。The water treatment sludge S and the flocculant f are stirred and mixed in the flocculation mixing tank 24 by the flocculation mixing agitator 27.
水処理汚泥Ｓに凝集剤ｆを撹拌混和すると、泡が発生し
、泡を含んだ水処理汚泥となる。When the flocculant f is stirred and mixed into the water treatment sludge S, bubbles are generated, resulting in water treatment sludge containing bubbles.
泡を含んだ水処理汚泥は、自然流下によってヘルドプレ
ス脱水機２９へと送られ、その重力脱水部３０に載せら
れた状態で、カメラ手段３１によって光学像としてとら
えられ、電気的な画像信号に変換されて画像処理装置３
２へ出力される。The water treatment sludge containing bubbles is sent to the held press dehydrator 29 by gravity, and while placed on the gravity dewatering section 30, it is captured as an optical image by the camera means 31 and converted into an electrical image signal. image processing device 3
Output to 2.
かかるカメラ手段３１としては、テレビカメラあるいは
イメージセンナ等を用いることができる。As such camera means 31, a television camera, an image sensor, or the like can be used.
カメラ手段３１にて得られる画像は、例えば第３図のよ
・）になる。（ａ）は凝集剤が適量の場合で、白い泡の
部分が黒い汚泥の部分と適当な比率になっている。（ｈ
）は凝集剤が不足の場合で、白い泡の部分が少なく、黒
い汚泥の部分が多くなっている。The image obtained by the camera means 31 is, for example, as shown in FIG. (a) shows a case where the flocculant is used in an appropriate amount, and the white foam portion is in an appropriate ratio to the black sludge portion. (h
) is a case of insufficient flocculant, with less white foam and more black sludge.
（Ｃ）は凝集剤が過剰の場合で、白い泡の部分が多く、
黒い汚泥の部分は少なくなっている。(C) is when the flocculant is excessive, and there are many white bubbles.
The amount of black sludge is decreasing.
画像処理装置３２は、画像データから画像の白部分が画
面全体に占める比率を演算し、その比率データを評価デ
ータとして制御装置３３に入力する。The image processing device 32 calculates the ratio of the white portion of the image to the entire screen from the image data, and inputs the ratio data to the control device 33 as evaluation data.
制御装置３３は、基準設定手段３４から入力された評価
基準と前記評価データとを比較し、その比較結果に基づ
いて凝集剤供給ポンプ２６の回転数を制御する。たとえ
ば評価データとして比率１５％が入力され、評価基準が
４０％〜６０％であったとすれば、凝集剤供給ポンプ２
６の回転数を上げ、凝集剤の供給量を増加させる。逆に
評価データとして比率９０％が入力されれば、凝集剤供
給ポンプ２６の回転数を下げ、凝集剤の供給量を減少さ
せる。The control device 33 compares the evaluation standard input from the standard setting means 34 with the evaluation data, and controls the rotation speed of the flocculant supply pump 26 based on the comparison result. For example, if a ratio of 15% is input as evaluation data and the evaluation standard is 40% to 60%, then the flocculant supply pump 2
6 and increase the amount of flocculant supplied. On the other hand, if a ratio of 90% is input as the evaluation data, the rotation speed of the flocculant supply pump 26 is lowered to reduce the amount of flocculant supplied.
制御装置３３は、凝集装Ｗ２１の全体の作動の制御をも
行うものであって、所定の周期で泡発生状態の９・ンブ
リングを行い、」二連のように凝集剤の添加量を調節す
る。The control device 33 also controls the overall operation of the flocculating device W21, performs the bubble generation state at a predetermined period, and adjusts the amount of flocculant added in two series. .
上記説明から理解されるように、この凝集装置２１によ
れば、凝集剤ｆの添加量が自動的に適切に制御され、し
たがって、ベルトプレス脱水機２９における脱水処理の
効率をも含めて高い処理効率を得られることとなる。As can be understood from the above description, according to this flocculating device 21, the amount of flocculant f added is automatically and appropriately controlled, and therefore, the efficiency of dehydration treatment in the belt press dehydrator 29 is improved. This results in efficiency.
発明の効果
本発明によれば、水処理汚泥に凝集剤を混和して凝集さ
せる装置において、凝集剤混和後の水処理汚泥の状態を
非接触に検出する非接触検出部と、検出データから評価
データを得る評価部と、評価データを設定基準に合致さ
せる方向に凝集剤の添加量を増減する添加量調節部とを
具備したことを特徴とする水処理汚泥の凝集装置が提供
され、これにより自動的に凝集剤の添加量を調節できる
こととなり、しかもその調節の時間遅れがほとんどなく
連続的にできるので、常に高い処理効率を維持すること
ができる。また、非接触なので凝集フロックを破壊する
欠点もない。Effects of the Invention According to the present invention, an apparatus for mixing a flocculant into water treatment sludge to flocculate the water treatment sludge includes a non-contact detection unit that non-contact detects the state of the water treatment sludge after the flocculant has been mixed, and an evaluation system based on the detected data. A water treatment sludge flocculating device is provided, comprising an evaluation section for obtaining data, and an addition amount adjustment section for increasing or decreasing the amount of flocculant added in a direction that makes the evaluation data match a set standard. Since the amount of coagulant added can be automatically adjusted and can be done continuously with almost no time delay, high processing efficiency can be maintained at all times. In addition, since it is non-contact, there is no disadvantage of destroying cohesive flocs.
第１図は本発明の一実施例の水処理汚泥の凝集装置の模
式的構成図、第２図は他実施例の第１図相当図、第３図
（ａｌ （ｂｌ （Ｃ）は画面中に見える泡を示す例示
図である。
（符号の説明）
１．２１・・・水処理汚泥の凝集装置
２．２２・・・汚泥貯槽
３．２３・・・汚泥供給ポンプ
４．２４・・・凝集混和槽
５．２５・・・凝集剤貯槽
６．２６・・・凝集剤供給ポンプ
７．２７・・・凝集混和槽撹拌機
８．２８・・・流量計 ９．２９・・・脱水機１０
・・・自動弁
１１・・・凝集フロック希釈槽
１２・・・自動弁
１３．３１・・・カメラ手段
１４．３２・・・画像処理装置
１５・・・評価手段 １６．２３・・・制御装置
１７．３４・・・基準設定手段
１８・・・自動弁
２９−＜）、） ７’いい、 区３０・
・・重力脱水部 よ去
Ｓ・・・水処理汚泥
ｆ・・・凝集剤 Ｗ・・・希釈水。Figure 1 is a schematic configuration diagram of a water treatment sludge flocculating apparatus according to one embodiment of the present invention, Figure 2 is a diagram corresponding to Figure 1 of another embodiment, and Figure 3 (al (bl (C) is in the screen). (Explanation of symbols) 1.21...Water treatment sludge flocculation device 2.22...Sludge storage tank 3.23...Sludge supply pump 4.24... Coagulation mixing tank 5.25...Flocculant storage tank 6.26...Flocculant supply pump 7.27...Coagulation mixing tank agitator 8.28...Flow meter 9.29...Dehydrator 10
... Automatic valve 11 ... Coagulation floc dilution tank 12 ... Automatic valve 13.31 ... Camera means 14.32 ... Image processing device 15 ... Evaluation means 16.23 ... Control device 17.34...Standard setting means 18...Automatic valve 29-<),) 7'Good, Ward 30.
... Gravity dewatering section S... Water treatment sludge f... Coagulant W... Dilution water.
Claims (1)
いて、凝集剤混和後の水処理汚泥の状態を非接触に検出
する非接触検出部と、検出データから評価データを得る
評価部と、評価データを設定基準に合致させる方向に凝
集剤の添加量を増減する添加量調節部とを具備したこと
を特徴とする水処理汚泥の凝集装置。 ２、非接触検出部が、凝集剤の混和により生じた凝集フ
ロックの形状を光学的に検出する形状検出部である特許
請求の範囲第１項記載の水処理汚泥の凝集装置。 ３、形状検出部が、凝集フロック希釈槽と、その凝集フ
ロック希釈槽内の凝集フロックを光学的にとらえて電気
信号化するカメラ手段とを有してなる特許請求の範囲第
２項に記載の水処理汚泥の凝集装置。 ４、評価部が、平均粒径、周囲長、面積等の形状データ
の１つもしくは２以上の組み合わせから評価データを得
る演算手段を有してなる特許請求の範囲第２項または第
３項記載の水処理汚泥の凝集装置。 ５、非接触検出部が、凝集剤の混和により生じた泡の発
生状態を光学的に検出する泡検出部である特許請求の範
囲第１項記載の水処理汚泥の凝集装置。 ６、泡検出部が、ベルトプレス脱水機の重力脱水部に供
給された水処理汚泥を上方から光学的にとらえて電気信
号化するカメラ手段を有してなる特許請求の範囲第５項
に記載の水処理汚泥の凝集装置。 ７、評価部が、検出視野中の白色部と黒色部の面積比率
から評価データを得る演算手段を有してなる特許請求の
範囲第５項または第６項記載の水処理汚泥の凝集装置。 ８、添加量調節部が、凝集剤供給ポンプと、評価データ
を設定基準に比較しその結果に基づいて前記凝集剤供給
ポンプのと回転数を制御するポンプ制御手段とを有して
なる特許請求の範囲第１項から第７項のいずれか一つに
記載の水処理汚泥の凝集装置。[Claims] 1. In an apparatus for mixing a flocculant into water treatment sludge to flocculate it, a non-contact detection unit that non-contact detects the state of the water treatment sludge after the flocculant has been mixed, and evaluation data from the detected data. What is claimed is: 1. A water treatment sludge flocculation device comprising: an evaluation section that obtains the evaluation data; and an addition amount adjustment section that increases or decreases the amount of flocculant added in a direction that makes the evaluation data match a set standard. 2. The water treatment sludge flocculation apparatus according to claim 1, wherein the non-contact detection section is a shape detection section that optically detects the shape of the flocs produced by mixing the flocculant. 3. The shape detection unit according to claim 2, wherein the shape detection unit includes a coagulated floc dilution tank and a camera means for optically capturing the coagulated flocs in the coagulated floc dilution tank and converting it into an electrical signal. Water treatment sludge flocculation equipment. 4. Claim 2 or 3, wherein the evaluation unit has a calculation means for obtaining evaluation data from one or a combination of two or more of shape data such as average particle diameter, perimeter, area, etc. water treatment sludge flocculation equipment. 5. The water treatment sludge flocculation apparatus according to claim 1, wherein the non-contact detection section is a bubble detection section that optically detects the state of bubble generation caused by mixing of the flocculant. 6. Claim 5, wherein the bubble detection unit includes camera means for optically capturing the water treatment sludge supplied to the gravity dewatering unit of the belt press dehydrator from above and converting it into an electrical signal. water treatment sludge flocculation equipment. 7. The water treatment sludge aggregation device according to claim 5 or 6, wherein the evaluation section has arithmetic means for obtaining evaluation data from the area ratio of the white part and the black part in the detection field of view. 8. A patent claim in which the addition amount adjusting section includes a flocculant supply pump and a pump control means that compares evaluation data with a set standard and controls the rotation speed of the flocculant supply pump based on the result. The water treatment sludge flocculation apparatus according to any one of items 1 to 7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7614986 | 1986-04-02 | ||
| JP61-76149 | 1986-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6345000A true JPS6345000A (en) | 1988-02-25 |
Family
ID=13596956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62051482A Pending JPS6345000A (en) | 1986-04-02 | 1987-03-06 | Device for flocculating sludge of water treatment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6345000A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63166500A (en) * | 1986-12-22 | 1988-07-09 | パサバント−ウエルケ・アクチエンゲゼルシヤフト | Method for conditioning and dehydrating sludge |
| JPH04263480A (en) * | 1991-02-18 | 1992-09-18 | Nippon Telegr & Teleph Corp <Ntt> | Oxide superconductor single crystal thin film forming board and manufacture thereof |
| JPH04137708U (en) * | 1991-06-19 | 1992-12-22 | 株式会社スイレイ | Coagulant injection control device for solid-liquid separation systems for raw water such as sludge water |
| JP2005007338A (en) * | 2003-06-20 | 2005-01-13 | Ishigaki Co Ltd | Method and apparatus for controlling injection of flocculant |
| JP2010167362A (en) * | 2009-01-22 | 2010-08-05 | Ishigaki Co Ltd | Inspection apparatus, pollution flocculating treating apparatus and pollution flocculating treating system |
| JP2011045839A (en) * | 2009-08-27 | 2011-03-10 | Ishigaki Co Ltd | Apparatus and method for treating sludge |
| JP2015164705A (en) * | 2014-02-28 | 2015-09-17 | 株式会社東芝 | Water treatment system, control device, and water treatment method |
| KR20160146949A (en) * | 2014-04-23 | 2016-12-21 | 안드리츠 악티엔게젤샤프트 | Method and device for dewatering sludge on a screen |
| JP2019162602A (en) * | 2018-03-20 | 2019-09-26 | 月島機械株式会社 | Diluted sludge imaging system, flocculant addition amount control system, sludge thickening system and diluted sludge imaging method |
| JP2019162603A (en) * | 2018-03-20 | 2019-09-26 | 月島機械株式会社 | Coagulant addition amount control device, sludge concentration system and coagulant addition amount control method |
| JP2019162601A (en) * | 2018-03-20 | 2019-09-26 | 月島機械株式会社 | Flocculant addition amount control device, sludge concentration system, and flocculant addition amount control method |
| JP2020195949A (en) * | 2019-05-31 | 2020-12-10 | オルガノ株式会社 | Water treatment device, water treatment method, and abnormality diagnosis device and diagnosis method for floating separation device |
-
1987
- 1987-03-06 JP JP62051482A patent/JPS6345000A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63166500A (en) * | 1986-12-22 | 1988-07-09 | パサバント−ウエルケ・アクチエンゲゼルシヤフト | Method for conditioning and dehydrating sludge |
| JPH04263480A (en) * | 1991-02-18 | 1992-09-18 | Nippon Telegr & Teleph Corp <Ntt> | Oxide superconductor single crystal thin film forming board and manufacture thereof |
| JPH04137708U (en) * | 1991-06-19 | 1992-12-22 | 株式会社スイレイ | Coagulant injection control device for solid-liquid separation systems for raw water such as sludge water |
| JP2005007338A (en) * | 2003-06-20 | 2005-01-13 | Ishigaki Co Ltd | Method and apparatus for controlling injection of flocculant |
| JP2010167362A (en) * | 2009-01-22 | 2010-08-05 | Ishigaki Co Ltd | Inspection apparatus, pollution flocculating treating apparatus and pollution flocculating treating system |
| JP2011045839A (en) * | 2009-08-27 | 2011-03-10 | Ishigaki Co Ltd | Apparatus and method for treating sludge |
| JP2015164705A (en) * | 2014-02-28 | 2015-09-17 | 株式会社東芝 | Water treatment system, control device, and water treatment method |
| KR20160146949A (en) * | 2014-04-23 | 2016-12-21 | 안드리츠 악티엔게젤샤프트 | Method and device for dewatering sludge on a screen |
| JP2017517386A (en) * | 2014-04-23 | 2017-06-29 | アンドリッツ アクツイエンゲゼルシャフト | Method and apparatus for dewatering sludge on a sieve |
| JP2019162602A (en) * | 2018-03-20 | 2019-09-26 | 月島機械株式会社 | Diluted sludge imaging system, flocculant addition amount control system, sludge thickening system and diluted sludge imaging method |
| JP2019162603A (en) * | 2018-03-20 | 2019-09-26 | 月島機械株式会社 | Coagulant addition amount control device, sludge concentration system and coagulant addition amount control method |
| JP2019162601A (en) * | 2018-03-20 | 2019-09-26 | 月島機械株式会社 | Flocculant addition amount control device, sludge concentration system, and flocculant addition amount control method |
| JP2020195949A (en) * | 2019-05-31 | 2020-12-10 | オルガノ株式会社 | Water treatment device, water treatment method, and abnormality diagnosis device and diagnosis method for floating separation device |
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