JPH08962Y2 - Coagulant injection controller for solid-liquid separation system of raw water such as sludge water - Google Patents
Coagulant injection controller for solid-liquid separation system of raw water such as sludge waterInfo
- Publication number
- JPH08962Y2 JPH08962Y2 JP1991045866U JP4586691U JPH08962Y2 JP H08962 Y2 JPH08962 Y2 JP H08962Y2 JP 1991045866 U JP1991045866 U JP 1991045866U JP 4586691 U JP4586691 U JP 4586691U JP H08962 Y2 JPH08962 Y2 JP H08962Y2
- Authority
- JP
- Japan
- Prior art keywords
- water
- coagulant
- solid
- liquid separation
- separation system
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 68
- 239000000701 coagulant Substances 0.000 title claims description 35
- 239000007788 liquid Substances 0.000 title claims description 28
- 238000000926 separation method Methods 0.000 title claims description 20
- 238000002347 injection Methods 0.000 title claims description 9
- 239000007924 injection Substances 0.000 title claims description 9
- 239000010802 sludge Substances 0.000 title claims description 8
- 229920000642 polymer Polymers 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 239000000932 sedative agent Substances 0.000 claims 1
- 230000001624 sedative effect Effects 0.000 claims 1
- 238000005189 flocculation Methods 0.000 description 14
- 230000016615 flocculation Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、汚泥水、メッキ処理
液、生物処理液等各種の処理液（以下、原水とする）を
清澄化するための、固液分離システムに関し、特に固液
分離システムの反応槽への高分子凝集剤及び／又は凝集
助剤の供給を制御するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid-liquid separation system for clarifying various kinds of processing liquids (hereinafter referred to as raw water) such as sludge water, plating treatment liquids, biological treatment liquids, and particularly solid-liquid separations. It controls the supply of polymeric flocculant and / or flocculation aid to the reaction vessels of the system.
【０００２】[0002]
【従来の技術】従来、前記原水の清澄化する装置として
は、各種の固液分離装置が実用に供されているととも
に、各種の技術文献が散見される。以上のようなことか
ら、本出願人も、多数の固液分離装置及びこれに関する
権利を取得している。例えば、特公昭６３−４４４０２
号の沈澱分離装置、特公平２−６２２８２号の汚泥水等
原水の固液分離装置等が挙げられる。2. Description of the Related Art Heretofore, various solid-liquid separation devices have been put to practical use as devices for clarifying the raw water, and various technical documents are scattered. From the above, the applicant has also acquired a large number of solid-liquid separation devices and the rights relating thereto. For example, Japanese Examined Patent Publication Sho 63-44402
And the solid-liquid separation device of raw water such as sludge water of JP-B-2-62282.
【０００３】以上の従来技術では、反応槽内に、充填さ
れた原水に対して最大公約数的（通常は、過剰に添加す
る。以下同じ）に、添加する高分子凝集剤及び／又は凝
集助剤凝集剤を介して、懸濁物質を凝集させてフロック
を生成し、その後固液分離装置に搬送して、ここで速や
かに、固液分離（沈降分離）することを、その要旨とし
ている。In the above prior art, the polymer flocculant and / or flocculation aid to be added to the raw water in the reaction tank in the most common divisor (usually in excess). The gist is to flocculate suspended substances through a flocculant to generate flocs, which are then transported to a solid-liquid separation device where they are rapidly solid-liquid separated (sedimentation separation).
【０００４】[0004]
【考案が解決しようとする課題】前述の従来技術では、
反応槽において、その原水に、最大公約数的に、高分子
凝集剤及び／又は凝集助剤を添加、撹拌混合し、ここで
沈降性の良いフロックを生成し、その後、固液分離装置
において、前記フロック（スラッジ）を、固液分離（沈
降又は沈澱）することによって、清澄水（清澄液）を得
ている。そして、原水のフロックの生成状況（以下、処
理混合水とする。）に速応して、高分子凝集剤及び／又
は凝集助剤等の薬品（以下高分子凝集剤及び／又は凝集
助剤で説明する。）の供給を適正に行うことが、薬品の
使用量の減少、又は過剰なフロックの生成を無くすこ
と、或いは二次公害等を無くすことなどの面から、大変
に望ましい。[Problems to be Solved by the Invention] In the above-mentioned prior art,
In the reaction tank, a polymer flocculant and / or a flocculation aid is added to the raw water in the most common divisor, and the mixture is stirred and mixed, whereupon flocs having a good sedimentation property are produced, and thereafter, in a solid-liquid separation device, Clarified water (clarified liquid) is obtained by solid-liquid separation (sedimentation or precipitation) of the flocs (sludge). Then, in response to the floc formation state of raw water (hereinafter referred to as treated mixed water), a chemical agent such as a polymer flocculant and / or a flocculation aid (hereinafter referred to as a polymer flocculant and / or a flocculation aid) is used. It is highly desirable from the viewpoint of reducing the amount of chemicals used, eliminating excessive floc formation, and eliminating secondary pollution.
【０００５】しかしながら、従来は、適切な制御装置、
又は反応槽での処理混合水の濃度（以下、単に濃度とす
る。）を、簡単かつ確実に検出する検出装置がないこと
から、前述の如く、前記高分子凝集剤及び／又は凝集助
剤を、最大公約数的に供給する方法（制御装置）が採用
されている。このような方法では、前述の如く、多くの
弊害があることから、この高分子凝集剤及び／又は凝集
助剤を、自動制御、比例制御等を介して、必要量のみ添
加することが、強く望まれている。However, in the past, a suitable control device,
Alternatively, since there is no detection device for simply and reliably detecting the concentration (hereinafter, simply referred to as concentration) of the treated mixed water in the reaction tank, as described above, the polymer coagulant and / or coagulant aid can be used. , A method (control device) of supplying in the greatest common divisor is adopted. In such a method, as described above, there are many adverse effects. Therefore, it is strongly recommended to add only the necessary amount of the polymer coagulant and / or coagulant aid through automatic control, proportional control, or the like. Is desired.
【０００６】尚、従来技術文献の中で、特開昭６２−５
３７１７号の濾過装置における助剤供給装置、又は特開
平１−２６６８１３号凝集剤注入制御装置、実開昭６２
−１１８５０号の凝集状態監視装置等が挙げられる。し
かしながら、これらの技術文献でも、簡単かつ確実に検
出する検出装置が開示されていなく、その装置の開発が
強く要望される処である。In the prior art document, Japanese Patent Laid-Open No. 62-5
Auxiliary agent supply device in the filtration device of 3717, or coagulant injection control device of Japanese Patent Laid-Open No. 1-266813, Jikkai Sho 62
An aggregation state monitoring device of No. -11850 and the like can be mentioned. However, even these technical documents do not disclose a detection device for detecting easily and reliably, and the development of the device is strongly desired.
【０００７】この考案の目的は、処理混合水の濃度を、
確実に検出し、その検出値に基づいて、反応槽の処理原
水に、最適な高分子凝集剤及び／又は凝集助剤を、確実
に供給することのできる凝集剤注入制御装置、及び検出
装置を提供するにある。The purpose of this invention is to determine the concentration of treated mixed water by
A coagulant injection control device and a detection device capable of surely detecting, and based on the detected value, reliably supplying an optimal polymer coagulant and / or coagulant aid to the raw water for treatment in the reaction tank. To provide.
【０００８】[0008]
【課題を解決するための手段】この考案に係わる凝集剤
注入制御装置は、反応槽内の処理混合水の水面（上澄み
水面又は上澄み液面）に近い位置に設置され、かつ沈静
化された状態の処理混合水の濃度を検出する濃度センサ
と、濃度の検出値を基準値と比較し、検出値が基準値を
超える場合に、必要量の高分子凝集剤及び／又は凝集助
剤を、反応槽内に供給して、撹拌翼によって処理混合水
と更に混合させた後、その混合処理水を、固液分離装置
に送る制御装置とによって構成される。A coagulant injection control device according to the present invention is installed at a position close to the water surface (supernatant water surface or supernatant liquid surface) of treated mixed water in a reaction tank, and is settled down.
A concentration sensor that detects the concentration of treated mixed water in a liquefied state is compared with the reference value of the concentration, and if the detected value exceeds the reference value, the required amount of polymer flocculant and / or coagulation assistant is added. The agent is supplied into the reaction tank and further mixed with the treated mixed water by the stirring blade, and then the mixed treated water is sent to the solid-liquid separation device.
【０００９】この考案に係わる凝集剤注入制御装置を構
成する濃度センサは、反応槽内での撹拌による水流、殊
にこの水流に流れ乗って浮遊するフロックに、直接影響
受けることを避けるため（いわゆる誤動作を避けるた
め）、反応槽に設けた適当な直径と水中長さをもつ管体
内に、装着する構成である。The concentration sensor constituting the coagulant injection control device according to the present invention is intended to avoid being directly affected by a water flow due to agitation in the reaction tank, in particular, flocs floating on the water flow (so-called). In order to avoid erroneous operation), it is configured to be installed inside a tube with an appropriate diameter and length in water provided in the reaction tank.
【００１０】[0010]
【作用】反応槽内に設けた適当な直径と水中長さをもつ
管体内に、設置された濃度センサは、撹拌による水流に
流れ乗って浮遊するフロックに、直接影響受けることを
がなく、いわゆる管体内に生成された、静置状態で、か
つフロックが沈降した、上澄み水面での検出が可能とな
り。もって、処理混合水の濃度を、確実に検出し、その
検出値に基づいて必要量の高分子凝集剤及び／又は凝集
助剤を、反応槽に供給し、沈降性の良い混合処理水とし
た後、固液分離装置内に送られる。[Function] The concentration sensor installed in the tube having an appropriate diameter and length in water provided in the reaction tank is not directly affected by the flocs floating on the water flow caused by stirring, It is possible to detect on the surface of the supernatant water generated in the tube, in a static state, and in which flocs settle. Therefore, the concentration of the treated mixed water is surely detected, and a necessary amount of the polymer coagulant and / or the coagulant aid is supplied to the reaction tank based on the detected value to obtain the mixed treated water having good sedimentation property. Then, it is sent into the solid-liquid separation device.
【００１１】「実施例」 以下の図面を参照して本考案の一実施例を説明する。図
１の構成を以下に説明する。図１において、原水貯槽１
１に貯蔵された汚泥水等の原水は、反応槽１２に送られ
る。このメッキ廃水処理の処理源水（処理液）に、高分
子凝集剤及び／又は凝集助剤が混合され、この反応槽１
２に装備する撹拌翼７を介して、撹拌混合され、処理混
合水が形成される。そして、この処理混合水の濃度は、
反応槽１２内に吊架した少なくとも下面開放の管体２内
に設けられ、かつ管体２内に水面下約１cm前後に設けら
れた、例えば、発光器１ａ受光器１ｂとで構成される透
過光強度測定装置等の濃度センサ１により光電的に検出
される。[Embodiment] An embodiment of the present invention will be described with reference to the accompanying drawings. The configuration of FIG. 1 will be described below. In FIG. 1, raw water storage tank 1
Raw water such as sludge water stored in No. 1 is sent to the reaction tank 12. A polymer flocculant and / or a flocculation aid is mixed with the treatment source water (treatment liquid) of the plating wastewater treatment.
The mixture is agitated and mixed through the agitating blade 7 provided on the No. 2 to form the treated mixed water. And the concentration of this treated mixed water is
It is provided in at least the lower open tube 2 suspended in the reaction tank 12 and is provided in the tube 2 about 1 cm below the water surface . For example, a light emitting device 1a and a light receiving device 1b.
It is photoelectrically detected by the concentration sensor 1 such as an overlight intensity measuring device .
【００１２】尚、反応槽１２の上方に高分子凝集剤タン
ク５及び凝集助剤タンク６（限定されず）が設置され、
それぞれ高分子凝集剤及び／又は凝集助剤を弁５ａ及び
６ａを介して反応槽１２内に供給できるように構成され
る。反応槽１２内では、撹拌翼７が撹拌機８により撹拌
される。この撹拌によって高分子凝集剤及び／又は凝集
助剤が、原水又は処理混合水中に拡散され、その後、撹
拌、混合される。A polymer flocculant tank 5 and a flocculation aid tank 6 (not limited) are installed above the reaction tank 12.
The polymer flocculant and / or the flocculation aid are each configured to be supplied into the reaction tank 12 via the valves 5a and 6a. In the reaction tank 12, the stirring blade 7 is stirred by the stirrer 8. By this stirring, the polymer flocculant and / or the flocculation aid is diffused into the raw water or the treated mixed water, and then stirred and mixed.
【００１３】そして、前記濃度センサ１によって検出さ
れた処理混合水の濃度は、光信号発生回路３によって電
気信号に変換されて比較器４に入力され、そこで基準値
と比較される。Then, the concentration of the treated mixed water detected by the concentration sensor 1 is converted into an electric signal by the optical signal generating circuit 3 and input to the comparator 4, where it is compared with a reference value.
【００１４】前記光信号発生回路３からの濃度検出値が
基準値を超える場合には、比較器４の出力側に、制御信
号が発生し、この制御信号を介して高分子凝集剤タンク
５及び凝集助剤タンク６の弁５ａ及び６ａを開くことに
より、必要量の高分子凝集剤及び／又は凝集助剤が、反
応槽１２内の処理混合水内に添加（供給、混合）され
る。この必要量の高分子凝集剤及び／又は凝集助剤は、
撹拌翼７の撹拌によって拡散され、処理混合水に混合さ
れ、所定量のフロックが生成された混合処理水となり、
その後、この混合処理水は、固液分離装置１３に送られ
て固液分離される。一方、前記光信号発生回路３からの
濃度検出値が、基準値以下になると、高分子凝集剤及び
／又は凝集助剤の供給は、通常少量となり、かつまた原
水の供給、処理混合水の撹拌或いは濃度検出、又は混合
処理水の搬送は継続される。When the concentration detection value from the optical signal generating circuit 3 exceeds the reference value, a control signal is generated at the output side of the comparator 4, and the polymer coagulant tank 5 and the polymer coagulant tank 5 are generated via this control signal. By opening the valves 5a and 6a of the flocculation aid tank 6, a required amount of the polymer flocculant and / or the flocculation aid is added (supplied, mixed) into the treated mixed water in the reaction tank 12. The required amount of the polymeric flocculant and / or the flocculation aid is
The mixed treated water is diffused by the stirring of the stirring blade 7 and mixed with the treated mixed water to produce a predetermined amount of flocs, which becomes the mixed treated water.
After that, the mixed treated water is sent to the solid-liquid separation device 13 to be solid-liquid separated. On the other hand, from the optical signal generating circuit 3
When the detected concentration value is below the reference value, the supply of the polymer flocculant and / or coagulant aid is usually small, and the raw water is also supplied, stirring or concentration detection of the treated mixed water, or conveyance of the mixed treated water. Will continue.
【００１５】尚、この例では、前記弁５ａ、６ａを、高
分子凝集剤タンク５及び凝集助剤タンク６の弁として表
示したが、この弁５ａ、６ａは、別に装備する副高分子
凝集剤タンク及び副凝集助剤タンク（図示せず、又限定
されず）とすることも可能である。また高分子凝集剤タ
ンク５及び凝集助剤タンク６の弁５ａ及び６ａを、比例
制御を介して開閉することも可能である。したがって、
この考案の高分子凝集剤タンク５及び凝集助剤タンク６
等の開閉を制御する制御信号には、前記弁５ａ、６ａの
制御信号、又は比例制御の制御信号を含むものである。In this example, the valves 5a and 6a are shown as the valves of the polymer coagulant tank 5 and the coagulant aid tank 6, but the valves 5a and 6a are sub-polymer coagulant separately provided. It is also possible to use a tank and a sub-coagulation auxiliary agent tank (not shown and not limited). It is also possible to open and close the valves 5a and 6a of the polymer coagulant tank 5 and the coagulant aid tank 6 through proportional control. Therefore,
Polymer coagulant tank 5 and coagulant aid tank 6 of this invention
The control signal for controlling the opening and closing of the valve includes a control signal for the valves 5a and 6a or a control signal for proportional control.
【００１６】図２に示すように管体２の直径をａ（直径
ａとする。）、かつ水面下の長さを（長さｂとする。）
ｂであらわした場合、長さｂは濃度センサ１が、撹拌に
よる処理混合水の水流の影響を受けることなく検出を正
常に行うことのできる最適値に設定される。As shown in FIG. 2, the diameter of the tube body 2 is a (diameter a) and the length under the water surface is (length b).
When represented by b, the length b is set to an optimum value that allows the concentration sensor 1 to normally perform detection without being affected by the water flow of the treated mixed water due to stirring.
【００１７】濃度センサ１を水面下約１cmに設置した場
合には、 （１）の例で、管体２の直径ａ＝１００mmに対して、長
さｂの最適値は３０〜４０cmとなること。 （２）の例で、管体２の直径ａ＝５０mmに対して、長さ
ｂの最適値は１８〜２６cmとなること。が必要値として
考えられる。When the concentration sensor 1 is installed about 1 cm below the water surface, in the example of (1), the optimum value of the length b is 30 to 40 cm for the diameter a = 100 mm of the tube 2. . In the example of (2), the optimum value of the length b is 18 to 26 cm for the diameter a of the tube body 2 = 50 mm. Can be considered as a required value.
【００１８】そして、本出願人の試験場での実験例で
は、 （１）の場合は、長さｂの値が３５cm前後が、確実に検
出し得た。 （２）の場合は、長さｂの値が２０cm前後が、確実に検
出し得た。とのデーターが、判明している。In the experiment example of the applicant's test site, in the case of (1), the value of the length b of about 35 cm could be reliably detected. In the case of (2), the value of the length b of about 20 cm could be detected reliably. The data is known.
【００１９】尚、前述の各装置、機材の位置関係は、一
例であり、図示又は説明の例に限定されない。 The positional relationship between the above-mentioned devices and equipment is merely an example, and the present invention is not limited to the illustrated or described examples.
【００２０】[0020]
【考案の効果】以上のように、本考案の管体で検出した
濃度検出値を規準として、原水又は処理混合水の状態に
速応して、高分子凝集剤及び／又は凝集助剤を、固液分
離システムの反応槽内中の処理液に、供給する構成であ
り、高分子凝集剤及び／又は凝集助剤を、反応槽内中の
処理液に、簡便かつ確実に適量供給できる効果と、この
適量供給に基づく、凝縮分離による原水の清澄化の達
成、並びに適正かつ効率的なフロック生成が期待でき
る。 [Effect of the invention] As described above, the tube of the present invention detects
With a concentration detection value as a standard , a polymer flocculant and / or a flocculation aid is supplied to the treatment liquid in the reaction tank of the solid-liquid separation system in a quick response to the state of raw water or treated mixed water. Ah
The polymer coagulant and / or coagulant aid in the reaction vessel.
With the effect that an appropriate amount can be simply and reliably supplied to the treatment liquid,
Achieving clarification of raw water by condensation separation based on appropriate supply
It can be expected that proper and efficient floc generation
It
【００２１】また、本考案の濃度センサは、反応槽の流
れ又は流動するフロック、汚濁物質に影響されない管体
の所定位置に装備したので、原水又は処理混合水の濃度
を、確実に、かつ速やかに検出し得る効果と、この効果
を介して、必要量の薬品を、的確に供給し得る効果があ
る。Further, the concentration sensor of the present invention is used in the flow of the reaction tank.
Tube that is not affected by floating or flowing flocs and pollutants
Since it is equipped at the predetermined position, there is an effect that the concentration of raw water or treated mixed water can be detected reliably and quickly, and that a necessary amount of chemicals can be appropriately supplied through this effect.
【００２２】また本考案は、管体及び濃度センサと制御
部とで構成されているので、装置が簡略化されている利
点、並びに在来の反応槽にも採用でき、大変合理的であ
る。 The present invention also provides a tube and a concentration sensor and control.
Since it is composed of parts and parts, the device is simplified.
It is very rational because it can be used as a point and a conventional reaction tank.
It
【図１】この考案の一実施例の模式図である。FIG. 1 is a schematic view of an embodiment of the present invention.
【図２】濃度センサの管体の寸法関係を説明するための
断面図である。FIG. 2 is a cross-sectional view for explaining the dimensional relationship of the tube of the concentration sensor.
１ 濃度センサ１ａ発光器 １ｂ受光器 ２ 管体 ３ 光信号発生回路 ４ 比較器 ５ 高分子凝集剤タンク ６ 凝集助剤タンク ５ａ 弁 ６ａ 弁 ７ 撹拌翼 ８ 撹拌機 １１ 原水貯槽 １２ 反応槽 １３ 固液分離装置1 Concentration sensor 1a Light emitter 1b Light receiver 2 Tubular body 3 Optical signal generation circuit 4 Comparator 5 Polymer flocculant tank 6 Flocculation aid tank 5a valve 6a valve 7 Stirring blade 8 Stirrer 11 Raw water storage tank 12 Reaction tank 13 Solid liquid Separation device
Claims (3)
反応槽に吊架された少なくとも下面開放の管体と、 この管体内に設けられ、かつ当該管体内の沈静状態の処
理混合水の濃度を検出する発光器及び受光器よりなる透
過光強度測定装置等の濃度センサと、 濃度センサによって検出された濃度値を、電気信号に変
換する光信号発生回路と、 光信号発生回路からの濃度検出信号の値と基準値とを比
較し、濃度検出信号の値が基準値をこえたときに、前記
反応槽内に、高分子凝集剤及び／又は凝集助剤等を供給
する制御信号を、高分子凝集剤タンク及び／又は凝集助
剤タンク等に付与する比較器と、 前記反応槽に供給された高分子凝集剤及び／又は凝集助
剤を、処理混合水内に拡散、混合する撹拌翼と、 とで構成されている汚泥水等原水の固液分離システムに
おける凝集剤注入制御装置。1. A solid-liquid separation system for storing treated water.
At least a bottom open tube suspended from the reaction tank, and a sedative treatment provided inside the tube.
A transparent device consisting of a light emitting device and a light receiving device for detecting the concentration of the mixed water.
A density sensor such as an over-light intensity measuring device, an optical signal generation circuit that converts the density value detected by the density sensor into an electrical signal, and the density detection signal value from the optical signal generation circuit are compared with a reference value. When the value of the concentration detection signal exceeds a reference value, a control signal for supplying a polymer coagulant and / or a coagulant aid, etc. to the reaction tank is set to a polymer coagulant tank and / or a coagulant aid. Sludge water composed of a comparator attached to a tank and the like, and a stirring blade for diffusing and mixing the polymer coagulant and / or coagulant aid supplied to the reaction tank into the treatment mixed water, etc. Coagulant injection controller for solid-liquid separation system of raw water.
が１００mmの場合に、管体の水面下の長さを３０〜４０
cmに設定すること、 を特徴とする請求項１の汚泥水等原水の固液分離システ
ムにおける凝集剤注入制御装置。2. When the diameter of the pipe for mounting the concentration sensor is 100 mm, the length of the pipe below the water surface is 30 to 40.
The coagulant injection control device in the solid-liquid separation system of raw water such as sludge water according to claim 1, wherein the coagulant injection control device is set to cm.
が５０mmの場合に、管体の水面下の長さを１８〜２６cm
に設定すること、 を特徴とする請求項１の汚泥水等原水の固液分離システ
ムにおける凝集剤注入制御装置。3. When the diameter of the pipe for mounting the concentration sensor is 50 mm, the length below the water surface of the pipe is 18 to 26 cm.
The coagulant injection control device in the solid-liquid separation system of raw water such as sludge water according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991045866U JPH08962Y2 (en) | 1991-06-19 | 1991-06-19 | Coagulant injection controller for solid-liquid separation system of raw water such as sludge water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991045866U JPH08962Y2 (en) | 1991-06-19 | 1991-06-19 | Coagulant injection controller for solid-liquid separation system of raw water such as sludge water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04137708U JPH04137708U (en) | 1992-12-22 |
| JPH08962Y2 true JPH08962Y2 (en) | 1996-01-17 |
Family
ID=31925604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991045866U Expired - Lifetime JPH08962Y2 (en) | 1991-06-19 | 1991-06-19 | Coagulant injection controller for solid-liquid separation system of raw water such as sludge water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08962Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015114302A (en) * | 2013-12-16 | 2015-06-22 | 住友金属鉱山株式会社 | Mounting structure of oxidation-reduction potentiometer in reaction tank |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58143806A (en) * | 1982-02-18 | 1983-08-26 | Kubota Ltd | Solid-liquid separation method |
| JPS6345000A (en) * | 1986-04-02 | 1988-02-25 | Masataka Sugawara | Device for flocculating sludge of water treatment |
| JPS6311923A (en) * | 1986-07-02 | 1988-01-19 | Sharp Corp | Copying machine |
| JPS63119813A (en) * | 1986-11-07 | 1988-05-24 | Mitsubishi Electric Corp | Wastewater treatment equipment with automatic flocculant injection function |
| JPH02291943A (en) * | 1989-05-01 | 1990-12-03 | Fumio Nakamura | Aggregation testing method based on measurment of aggregation speed and average floc diameter/number |
| JPH03123607A (en) * | 1989-10-05 | 1991-05-27 | Munakata Chiku Suido Kigiyoudan | Device for feeding flocculant |
-
1991
- 1991-06-19 JP JP1991045866U patent/JPH08962Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04137708U (en) | 1992-12-22 |
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