JP4518826B2 - Electrolytic wastewater treatment system, electrolysis control device, electrolytic wastewater treatment method, program, and storage medium - Google Patents

Electrolytic wastewater treatment system, electrolysis control device, electrolytic wastewater treatment method, program, and storage medium Download PDF

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JP4518826B2
JP4518826B2 JP2004108489A JP2004108489A JP4518826B2 JP 4518826 B2 JP4518826 B2 JP 4518826B2 JP 2004108489 A JP2004108489 A JP 2004108489A JP 2004108489 A JP2004108489 A JP 2004108489A JP 4518826 B2 JP4518826 B2 JP 4518826B2
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賢治 徳政
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Chugoku Electric Power Co Inc
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本発明は、電解排水処理システム、電解制御装置、電解排水処理方法、プログラム、及び記憶媒体に関する。   The present invention relates to an electrolytic wastewater treatment system, an electrolytic control device, an electrolytic wastewater treatment method, a program, and a storage medium.

発電所では、発電の様々な過程で多量の水が排水される。例えば、ボイラ・タービン系からのブロー排水、給水処理及び復水脱塩の再生排水、排煙脱硫装置からのブロー排水、冷却装置からの温排水などが挙げられるが、これらの排水は、それぞれ異なる場所で排水され、全ての排水を水質汚濁防止法に基づく排出基準以下にしてから海や河川などの公共用水域に排出しなければならない。   At power plants, large amounts of water are drained during various processes of power generation. For example, blow effluent from boiler / turbine system, regeneration effluent for feed water treatment and condensate demineralization, blow effluent from flue gas desulfurization equipment, warm effluent from cooling equipment, etc. It must be drained at the site, and all wastewater must be discharged below public standards based on the Water Pollution Control Law before being discharged into public water areas such as the sea and rivers.

そのような排水処理方法の一つとして、電気分解があり、特にフェライト電極を用いた電気分解装置が、排水のＣＯＤを低下させるために用いられてきた（例えば、特許文献１参照）
特開２００３−１２６８６０号公報 One such wastewater treatment method is electrolysis, and in particular, an electrolyzer using a ferrite electrode has been used to reduce the COD of wastewater (see, for example, Patent Document 1).
JP 2003-126860 A

排水処理を行うために必要な排水設備や装置を運用する際、発電所のような多数の場所で排水が生じる場所では、全ての場所で排水設備や装置を設置するのは、コストやエネルギーの面から、非常に効率が悪い。また、排水処理機能を備えている所でも、多量の排水が生成されたときなどは、その処理に追加の工数を必要とする。   When operating drainage facilities and equipment necessary for wastewater treatment, in places where drainage occurs in many places, such as power plants, installing drainage equipment and equipment in all locations is a cost and energy issue. From the aspect, it is very inefficient. Even where a wastewater treatment function is provided, when a large amount of wastewater is generated, additional man-hours are required for the treatment.

従って、そのような場合、移動式の排水設備や装置が好ましいが、移動式システムを運用する場合、各処理をマニュアルで行っていたのでは効率的でない。   Therefore, in such a case, a mobile drainage facility or apparatus is preferable. However, when a mobile system is operated, it is not efficient if each processing is performed manually.

本発明は以上のような事情に鑑みてなされたものであり、自動化排水処理を実行するための移動可能な電解排水処理システム、自動化排水処理を制御する電解制御装置、自動化排水処理を行うための電解排水処理方法、電解制御装置に自動化排水処理を行わせるためのプログラム及びそのプログラムを読み取り可能に格納した記憶媒体を提供することを目的とする。   The present invention has been made in view of the circumstances as described above, a movable electrolytic wastewater treatment system for performing automated wastewater treatment, an electrolytic control device for controlling automated wastewater treatment, and for performing automated wastewater treatment. It is an object of the present invention to provide an electrolytic wastewater treatment method, a program for causing an electrolytic control apparatus to perform automated wastewater treatment, and a storage medium storing the program in a readable manner.

上記課題を解決すべく、本発明に係る電解排水処理システムは、排水を貯蔵するための排水貯槽と、海水を貯蔵するための海水貯槽と、所定濃度の塩化ナトリウム水溶液を貯蔵するための塩化ナトリウム水溶液タンクと、前記排水貯槽から排出される前記排水を電気分解するための電解装置を備える電解槽と、前記電解槽内の電解溶液の残留塩素濃度を、電気分解中に測定するための残留塩素測定装置と、前記電解槽の電解溶液の水位を測定するための電解槽水位測定装置と、前記排水貯槽から前記電解槽に至る第１配管群の途中に設けられ、前記排水貯槽の排水を前記第１配管群の配管に汲み上げる排水処理ポンプと、前記海水貯槽から前記電解槽に至る第２配管群の途中に設けられ、前記海水貯槽の海水を前記第２配管群の配管に汲み上げる海水注入ポンプと、前記塩化ナトリウム水溶液タンクから前記電解槽に至る第３配管群の途中に設けられ、前記塩化ナトリウム水溶液タンクの塩化ナトリウム水溶液を前記第３配管群の配管に汲み上げる塩化ナトリウム水溶液注入ポンプと、前記電解槽からの第４配管群の途中に設けられ、前記電解槽から電解溶液を排出させるための電解溶液処理ポンプ及び電解槽排水バルブと、前記海水注入ポンプを動作させることで前記海水貯槽からの前記海水の排出を制御し、前記塩化ナトリウム水溶液注入ポンプを動作させることで前記塩化ナトリウム水溶液タンクからの前記塩化ナトリウム水溶液の排出を制御し、前記排水処理ポンプを動作させることで前記排水貯槽からの前記排水の排出を制御し、前記電解装置を動作させることで前記電解槽における電気分解処理を制御し、前記残留塩素測定装置による前記残留塩素濃度の測定処理を制御し（００３１）、前記電解槽水位測定装置による前記電解溶液の水位の測定処理を制御し（００３１）、前記電解溶液処理ポンプ及び前記電解槽排水バルブを制御することで前記電解槽からの電解溶液の排出を制御する電解制御装置と、を備え、前記電解制御装置は、前記塩化ナトリウム水溶液が全体の溶液量における所定割合を占めるように、前記排水と前記塩化ナトリウム水溶液と前記海水とを、前記電解槽に排出することを特徴とする。 In order to solve the above problems, an electrolytic wastewater treatment system according to the present invention includes a wastewater storage tank for storing wastewater, a seawater storage tank for storing seawater, and sodium chloride for storing a sodium chloride aqueous solution having a predetermined concentration. residual for measuring and the aqueous solution tank, an electrolytic bath comprising an electrolysis device for electrolyzing the waste water discharged from the drainage savings tank, a residual chlorine concentration of the electrolytic solution of the electrolytic cell, during electrolysis A chlorine measuring device, an electrolytic cell water level measuring device for measuring the level of the electrolytic solution in the electrolytic cell, and a first pipe group extending from the waste water storage tank to the electrolytic cell, and draining the waste water storage tank A wastewater treatment pump that pumps up the piping of the first piping group and a second piping group that extends from the seawater storage tank to the electrolysis tank, and pumps up the seawater of the seawater storage tank into the piping of the second piping group. And a sodium chloride aqueous solution injection pumping up the sodium chloride aqueous solution from the sodium chloride aqueous solution tank to the piping of the third piping group. By operating a pump, an electrolytic solution treatment pump and an electrolytic cell drain valve for discharging an electrolytic solution from the electrolytic cell, and a seawater injection pump provided in the middle of the fourth piping group from the electrolytic cell, Controlling the discharge of the seawater from the seawater storage tank, controlling the discharge of the sodium chloride aqueous solution from the sodium chloride aqueous solution tank by operating the sodium chloride aqueous solution injection pump, and operating the drainage treatment pump By controlling the discharge of the waste water from the waste water storage tank and operating the electrolyzer, Controlling the electrolytic treatment in the tank, controlling the measurement process of the residual chlorine concentration by the residual chlorine measuring device (0031), and controlling the measurement process of the water level of the electrolytic solution by the electrolytic bath water level measuring device (0031) , and an electrolysis control device for controlling the discharge of the electrolytic solution from the electrolytic cell by controlling the electrolytic solution processing pump and the electrolytic cell drain valve, the electrolysis control device, the aqueous solution of sodium chloride overall The drainage, the sodium chloride aqueous solution, and the seawater are discharged to the electrolytic cell so as to occupy a predetermined ratio in the amount of solution .

また本発明に係る電解制御装置は、排水を貯蔵するための排水貯槽と、海水を貯蔵するための海水貯槽と、所定濃度の塩化ナトリウム水溶液を貯蔵するための塩化ナトリウム水溶液タンクと、前記排水貯槽から排出される前記排水を電気分解するための電解装置を備える電解槽と、前記電解槽内の電解溶液の残留塩素濃度を、電気分解中に測定するための残留塩素測定装置と、前記電解槽の電解溶液の水位を測定するための電解槽水位測定装置と、前記排水貯槽から前記電解槽に至る第１配管群の途中に設けられ、前記排水貯槽の排水を前記第１配管群の配管に汲み上げる排水処理ポンプと、前記海水貯槽から前記電解槽に至る第２配管群の途中に設けられ、前記海水貯槽の海水を前記第２配管群の配管に汲み上げる海水注入ポンプと、前記塩化ナトリウム水溶液タンクから前記電解槽に至る第３配管群の途中に設けられ、前記塩化ナトリウム水溶液タンクの塩化ナトリウム水溶液を前記第３配管群の配管に汲み上げる塩化ナトリウム水溶液注入ポンプと、前記電解槽からの第４配管群の途中に設けられ、前記電解槽から電解溶液を排出させるための電解溶液処理ポンプ及び電解槽排水バルブと、を含んだ電解排水処理システムに用いられる電解制御装置であって、前記海水注入ポンプを動作させることで前記海水貯槽からの前記海水の排出を制御し、前記塩化ナトリウム水溶液注入ポンプを動作させることで前記塩化ナトリウム水溶液タンクからの前記塩化ナトリウム水溶液の排出を制御し、前記排水処理ポンプを動作させることで前記排水貯槽からの前記排水の排出を制御し、前記電解装置を動作させることで前記電解槽における電気分解処理を制御し、前記残留塩素測定装置による前記残留塩素濃度の測定処理を制御し、前記電解槽水位測定装置による前記電解溶液の水位の測定処理を制御し、前記電解溶液処理ポンプ及び前記電解槽排水バルブを制御することで前記電解槽からの電解溶液の排出を制御し、かつ、前記塩化ナトリウム水溶液が全体の溶液量における所定割合を占めるように、前記排水と前記塩化ナトリウム水溶液と前記海水とを、前記電解槽に排出させることを特徴とする。 The electrolytic control apparatus according to the present invention includes a drainage storage tank for storing wastewater, a seawater storage tank for storing seawater, a sodium chloride aqueous solution tank for storing a sodium chloride aqueous solution having a predetermined concentration, and the drainage storage tank. An electrolyzer equipped with an electrolyzer for electrolyzing the wastewater discharged from the electrolyzer, a residual chlorine measuring device for measuring the residual chlorine concentration of the electrolytic solution in the electrolyzer during electrolysis, and the electrolyzer An electrolyzer water level measuring device for measuring the water level of the electrolyte solution and a first pipe group extending from the drainage storage tank to the electrolysis tank, and draining the drainage storage tank to the pipe of the first pipe group A wastewater treatment pump that pumps up, a seawater injection pump that is provided in the middle of the second piping group from the seawater storage tank to the electrolysis tank, and pumps the seawater of the seawater storage tank into the piping of the second piping group; A sodium chloride aqueous solution injection pump provided in the middle of the third piping group extending from the sodium hydride aqueous solution tank to the electrolytic cell, and pumping the sodium chloride aqueous solution of the sodium chloride aqueous solution tank into the piping of the third piping group; An electrolytic control device used in an electrolytic wastewater treatment system including an electrolytic solution treatment pump and an electrolytic bath drain valve for discharging an electrolytic solution from the electrolytic bath, provided in the middle of the fourth piping group, By controlling the discharge of the seawater from the seawater storage tank by operating the seawater injection pump, and controlling the discharge of the sodium chloride aqueous solution from the sodium chloride aqueous solution tank by operating the sodium chloride aqueous solution injection pump, By controlling the discharge of the waste water from the waste water storage tank by operating the waste water treatment pump, The electrolysis apparatus is operated to control the electrolysis process in the electrolytic cell, the residual chlorine concentration measurement process by the residual chlorine measuring apparatus is controlled, and the water level of the electrolytic solution is measured by the electrolytic tank water level measuring apparatus Controlling the treatment, controlling the electrolytic solution treatment pump and the electrolytic cell drain valve to control the discharge of the electrolytic solution from the electrolytic cell, and the sodium chloride aqueous solution occupies a predetermined percentage of the total solution amount Thus, the said waste_water | drain, the said sodium chloride aqueous solution, and the said seawater are discharged | emitted to the said electrolytic vessel.

さらに、本発明に係る電解排水処理方法は、排水を貯蔵するための排水貯槽と、海水を貯蔵するための海水貯槽と、所定濃度の塩化ナトリウム水溶液を貯蔵するための塩化ナトリウム水溶液タンクと、前記排水貯槽から排出される前記排水を電気分解するための電解装置を備える電解槽と、前記電解槽内の電解溶液の残留塩素濃度を、電気分解中に測定するための残留塩素測定装置と、前記電解槽の電解溶液の水位を測定するための電解槽水位測定装置と、前記排水貯槽から前記電解槽に至る第１配管群の途中に設けられ、前記排水貯槽の排水を前記第１配管群の配管に汲み上げる排水処理ポンプと、前記海水貯槽から前記電解槽に至る第２配管群の途中に設けられ、前記海水貯槽の海水を前記第２配管群の配管に汲み上げる海水注入ポンプと、前記塩化ナトリウム水溶液タンクから前記電解槽に至る第３配管群の途中に設けられ、前記塩化ナトリウム水溶液タンクの塩化ナトリウム水溶液を前記第３配管群の配管に汲み上げる塩化ナトリウム水溶液注入ポンプと、前記電解槽からの第４配管群の途中に設けられ、前記電解槽から電解溶液を排出させるための電解溶液処理ポンプ及び電解槽排水バルブと、を含んだ電解排水処理システムにおける排水処理方法であって、前記海水注入ポンプ、前記塩化ナトリウム水溶液注入ポンプ、前記排水処理ポンプを動作させることで、前記塩化ナトリウム水溶液が全体の溶液量における所定割合を占めるように、前記排水と前記塩化ナトリウム水溶液と前記海水とを、前記電解槽に排出させる工程と、前記電解装置を動作させることで、前記電解槽にて、前記排水と前記塩化ナトリウム水溶液と前記海水とが混合された溶液を電気分解する工程と、前記残留塩素測定装置により、前記残留塩素濃度を測定する工程と、前記電解槽水位測定装置により、前記電解溶液の水位を測定する工程と、前記電解溶液処理ポンプ及び前記電解槽排水バルブを動作させることで、前記電解槽から電解溶液を排出させる工程と、を行うことを特徴とする。 Further, the electrolytic wastewater treatment method according to the present invention includes a wastewater storage tank for storing wastewater, a seawater storage tank for storing seawater, a sodium chloride aqueous solution tank for storing a sodium chloride aqueous solution having a predetermined concentration, An electrolyzer equipped with an electrolyzer for electrolyzing the wastewater discharged from a wastewater storage tank, a residual chlorine measuring device for measuring the residual chlorine concentration of the electrolytic solution in the electrolyzer during electrolysis, and An electrolyzer water level measuring device for measuring the water level of the electrolytic solution in the electrolyzer, and provided in the middle of the first piping group from the drainage storage tank to the electrolysis tank, and draining the drainage storage tank to the drainage of the first piping group A wastewater treatment pump that pumps up the piping, and a seawater injection pump that is provided in the middle of the second piping group from the seawater storage tank to the electrolytic tank, and pumps the seawater of the seawater storage tank into the piping of the second piping group A sodium chloride aqueous solution injection pump provided in the middle of the third piping group from the sodium chloride aqueous solution tank to the electrolytic cell, and pumping the sodium chloride aqueous solution from the sodium chloride aqueous solution tank to the piping of the third piping group; A wastewater treatment method in an electrolytic wastewater treatment system provided in the middle of the fourth piping group from the tank, and including an electrolytic solution treatment pump and an electrolytic tank drainage valve for discharging the electrolytic solution from the electrolytic tank, By operating the seawater injection pump, the sodium chloride aqueous solution injection pump, and the wastewater treatment pump, the drainage, the sodium chloride aqueous solution, and the seawater are arranged so that the sodium chloride aqueous solution occupies a predetermined ratio in the total solution amount. Is discharged into the electrolytic cell, and the electrolyzer is operated, A step of electrolyzing a mixed solution of the waste water, the aqueous sodium chloride solution and the seawater in a tank, a step of measuring the residual chlorine concentration by the residual chlorine measuring device, and a water level measurement of the electrolytic cell A step of measuring the level of the electrolytic solution by an apparatus, and a step of discharging the electrolytic solution from the electrolytic cell by operating the electrolytic solution treatment pump and the electrolytic cell drain valve. .

本発明に係るプログラムは、排水を貯蔵するための排水貯槽と、海水を貯蔵するための海水貯槽と、所定濃度の塩化ナトリウム水溶液を貯蔵するための塩化ナトリウム水溶液タンクと、前記排水貯槽から排出される前記排水を電気分解するための電解装置を備える電解槽と、前記電解槽内の電解溶液の残留塩素濃度を、電気分解中に測定するための残留塩素測定装置と、前記電解槽の電解溶液の水位を測定するための電解槽水位測定装置と、前記排水貯槽から前記電解槽に至る第１配管群の途中に設けられ、前記排水貯槽の排水を前記第１配管群の配管に汲み上げる排水処理ポンプと、前記海水貯槽から前記電解槽に至る第２配管群の途中に設けられ、前記海水貯槽の海水を前記第２配管群の配管に汲み上げる海水注入ポンプと、前記塩化ナトリウム水溶液タンクから前記電解槽に至る第３配管群の途中に設けられ、前記塩化ナトリウム水溶液タンクの塩化ナトリウム水溶液を前記第３配管群の配管に汲み上げる塩化ナトリウム水溶液注入ポンプと、前記電解槽からの第４配管群の途中に設けられ、前記電解槽から電解溶液を排出させるための電解溶液処理ポンプ及び電解槽排水バルブと、を含んだ電解排水処理システムに用いられる電解制御装置を動作させるプログラムであって、前記塩化ナトリウム水溶液が全体の溶液量における所定割合を占めるように、前記排水と前記塩化ナトリウム水溶液と前記海水とを、前記電解槽に排出させるために、前記海水注入ポンプ、前記塩化ナトリウム水溶液注入ポンプ、前記排水処理ポンプを動作させるステップと、前記電解槽にて、前記排水と前記塩化ナトリウム水溶液と前記海水とが混合された溶液を電気分解するために、前記電解装置を動作させるステップと、前記残留塩素濃度を測定するために、前記残留塩素測定装置を動作させるステップと、前記電解溶液の水位を測定するために、前記電解槽水位測定装置を動作させるステップと、前記電解槽から電解溶液を排出させるために、前記電解溶液処理ポンプ及び前記電解槽排水バルブを動作させるステップとを、前記電解制御装置に実行させる。
A program according to the present invention is discharged from a drainage storage tank for storing wastewater, a seawater storage tank for storing seawater, a sodium chloride aqueous solution tank for storing a sodium chloride aqueous solution of a predetermined concentration, and the drainage storage tank. An electrolytic cell equipped with an electrolytic device for electrolyzing the waste water, a residual chlorine measuring device for measuring the residual chlorine concentration of the electrolytic solution in the electrolytic cell during electrolysis, and an electrolytic solution of the electrolytic cell An electrolyzer water level measuring device for measuring the level of water and a drainage treatment provided in the middle of the first piping group from the drainage storage tank to the electrolysis tank, and pumping the drainage of the drainage storage tank to the piping of the first piping group A pump, a seawater injection pump provided in the middle of the second piping group extending from the seawater storage tank to the electrolysis tank, and pumping the seawater of the seawater storage tank into the piping of the second piping group; and the sodium chloride A sodium chloride aqueous solution injection pump that is provided in the middle of the third piping group from the aqueous solution tank to the electrolytic cell and pumps up the sodium chloride aqueous solution from the sodium chloride aqueous solution tank to the piping of the third piping group; A program installed in the middle of the fourth piping group for operating an electrolytic control device used in an electrolytic wastewater treatment system including an electrolytic solution treatment pump and an electrolytic bath drainage valve for discharging an electrolytic solution from the electrolytic bath. In order to discharge the waste water, the sodium chloride aqueous solution, and the seawater to the electrolytic cell so that the sodium chloride aqueous solution occupies a predetermined ratio in the total solution amount, the seawater infusion pump, the sodium chloride Operating the aqueous solution injection pump, the wastewater treatment pump, and in the electrolytic cell, Operating the electrolyzer to electrolyze a mixed solution of water, the aqueous sodium chloride solution, and the seawater; and operating the residual chlorine measuring device to measure the residual chlorine concentration. Operating the electrolytic cell water level measuring device to measure the water level of the electrolytic solution, and operating the electrolytic solution treatment pump and the electrolytic cell drain valve to discharge the electrolytic solution from the electrolytic cell. And causing the electrolysis control device to execute.

本発明にかかる記憶媒体は、前記プログラムを、電解制御装置によって読み取り可能に格納している。   The storage medium according to the present invention stores the program so as to be readable by the electrolysis control device.

本発明により、自動化排水処理を実行するための移動可能な電解排水処理システム、自動化排水処理を制御する電解制御装置、自動化排水処理を行うための電解排水処理方法、電解制御装置に自動化排水処理を行わせるためのプログラム及びそのプログラムを読み取り可能に格納した記憶媒体を提供することが可能になった。   According to the present invention, a movable electrolytic wastewater treatment system for performing automated wastewater treatment, an electrolytic control device for controlling automated wastewater treatment, an electrolytic wastewater treatment method for performing automated wastewater treatment, and an automated wastewater treatment for an electrolytic control device. It has become possible to provide a program to be executed and a storage medium storing the program in a readable manner.

以下、本発明の好ましい実施の形態につき、添付図面を用いて詳細に説明する。なお、本発明の目的、特徴、利点、及びそのアイデアは、本明細書の記載により、当業者には明らかであり、本明細書の記載から、当業者であれば、容易に本発明を再現できる。以下に記載された発明の実施の形態及び具体的に実施例などは、本発明の好ましい実施態様を示すものであり、例示又は説明のために示されているのであって、本発明をそれらに限定するものではない。本明細書で開示されている本発明の意図並びに範囲内で、本明細書の記載に基づき、様々な改変並びに修飾ができることは、当業者にとって明らかである。   Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The objects, features, advantages, and ideas of the present invention will be apparent to those skilled in the art from the description of the present specification, and those skilled in the art can easily reproduce the present invention from the description of the present specification. it can. The embodiments and specific examples of the invention described below show preferred embodiments of the present invention, and are shown for illustration or explanation. It is not limited. It will be apparent to those skilled in the art that various modifications and variations can be made based on the description of the present specification within the spirit and scope of the present invention disclosed herein.

＝＝＝電解排水処理システムの構成図＝＝＝
図１は本発明の一実施例として説明する電解排水処理システム１０００の構成図を示す。 === Configuration diagram of electrolytic wastewater treatment system ===
FIG. 1 shows a configuration diagram of an electrolytic wastewater treatment system 1000 described as an embodiment of the present invention.

図１に示すように、本発明に係る電解排水処理システム１０００は、塩化物イオンを含む溶液を貯蔵する塩化物イオン槽である海水貯槽２００、２０％塩化ナトリウム水溶液タンク３００、排水を貯蔵する排水貯槽４００、各貯槽及びタンク内の溶液又は排水を汲み上げるそれぞれのポンプである海水注入ポンプ２１０、塩化ナトリウム水溶液注入ポンプ３１０、排水処理ポンプ４１０、各貯槽及びタンクから排出された溶液又は排水をろ過するろ過器８００、海水貯槽２００、２０％塩化ナトリウム水溶液タンク３００、及び排水貯槽４００から排出される溶液を電気分解する電解槽５００、電解槽５００から排出された電解溶液を再び電解槽に戻すための電解溶液循環装置としての電解溶液処理ポンプ５１０、酸素を含む気体を供給する酸素供給装置としてのバブリング用コンプレッサー５２０、電解槽の電解溶液の水位を測定する電解槽水位測定装置５３０、電解槽５００の電解溶液の残留塩素濃度を測定する残留塩素測定装置６００、電解槽５００から排出された電解溶液の残留塩素を除去する残留塩素処理器７００、そして電解排水処理システム１０００を制御する電解制御装置１００などを備えている。   As shown in FIG. 1, an electrolytic wastewater treatment system 1000 according to the present invention includes a seawater storage tank 200 that is a chloride ion tank that stores a solution containing chloride ions, a 20% sodium chloride aqueous solution tank 300, and a wastewater that stores wastewater. The tank 400, the seawater injection pump 210, the sodium chloride aqueous solution injection pump 310, the wastewater treatment pump 410, which are the pumps for pumping up the solution or waste water in each storage tank and tank, and the solution or waste water discharged from each storage tank and tank are filtered. Electrolyzer 500 for electrolyzing the solution discharged from filter 800, seawater storage tank 200, 20% sodium chloride aqueous solution tank 300, and drainage storage tank 400, and for returning the electrolytic solution discharged from electrolytic tank 500 back to the electrolytic tank Electrolytic solution treatment pump 510 as an electrolytic solution circulation device, supplying gas containing oxygen From the bubbling compressor 520 as an element supply device, the electrolytic cell water level measuring device 530 that measures the water level of the electrolytic solution in the electrolytic cell, the residual chlorine measuring device 600 that measures the residual chlorine concentration of the electrolytic solution in the electrolytic cell 500, and the electrolytic cell 500 A residual chlorine treatment device 700 that removes residual chlorine from the discharged electrolytic solution, an electrolysis control device 100 that controls the electrolytic wastewater treatment system 1000, and the like are provided.

電解制御装置１００は、電線１、２、３を介してそれぞれ海水注入ポンプ２１０、塩化ナトリウム水溶液注入ポンプ３１０、排水処理ポンプ４１０に接続していて、電線４、５、６は、それぞれ電解槽排水バルブ７１０、残留塩素測定装置６００、電解槽水位測定装置５３０に接続しており、電線７、８は、それぞれ電解溶液処理ポンプ５１０、バブリング用コンプレッサー５２０に接続しており、電線９は電解槽５００に接続している。   The electrolysis control apparatus 100 is connected to a seawater injection pump 210, a sodium chloride aqueous solution injection pump 310, and a wastewater treatment pump 410 via electric wires 1, 2, and 3, respectively. The valve 710, the residual chlorine measuring device 600, and the electrolytic cell water level measuring device 530 are connected. The electric wires 7 and 8 are connected to the electrolytic solution processing pump 510 and the bubbling compressor 520, respectively. The electric wire 9 is connected to the electrolytic cell 500. Connected to.

海水注入ポンプ２１０は、海水貯槽２００と配管２０で接続しており、配管２０には弁２２０が設けられ、海水貯槽２００の海水を配管２１に汲み上げることができる。塩化ナトリウム水溶液注入ポンプ３１０は、２０％塩化ナトリウム水溶液タンク３００と配管３０で接続し、その配管３０には弁３２０が設けられ、２０％塩化ナトリウム水溶液タンク３００の塩化物イオンを含んだ溶液を配管３１に汲み上げることができる。排水処理ポンプ４１０は排水貯槽４００と配管４０で接続し、その配管４０には弁４２０が設けられ、配管４１に排水貯槽４００の排水を汲み上げることができる。配管２１、３１、そして４１は、配管１０に結合している。配管１０は、配管１１を介してろ過器８００に接続している。すなわち、ろ過器８００には、海水、塩化物イオンを含んだ溶液、及び排水が配管１０、１１を通って流入する。   The seawater injection pump 210 is connected to the seawater storage tank 200 by a pipe 20, and the pipe 20 is provided with a valve 220, and the seawater in the seawater storage tank 200 can be pumped into the pipe 21. The sodium chloride aqueous solution injection pump 310 is connected to a 20% sodium chloride aqueous solution tank 300 by a pipe 30, and the pipe 30 is provided with a valve 320, and a solution containing chloride ions in the 20% sodium chloride aqueous solution tank 300 is piped. Can be pumped to 31. The drainage treatment pump 410 is connected to the drainage storage tank 400 by a pipe 40, and a valve 420 is provided in the pipe 40, and the drainage of the drainage storage tank 400 can be pumped into the pipe 41. The pipes 21, 31 and 41 are coupled to the pipe 10. The pipe 10 is connected to the filter 800 via the pipe 11. That is, seawater, a solution containing chloride ions, and drainage flow into the filter 800 through the pipes 10 and 11.

電解槽５００は、酸素を含む気体を供給する酸素供給装置としてのバブリング用コンプレッサー５２０と、電解槽の電解溶液の水位を測定する電解槽水位測定装置５３０と、電解槽５００から排出された排水を電解溶液処理ポンプ５１０を用いて再び電解槽５００に戻すことができる循環路の配管１３とを備えている。この配管１３は、ろ過器８００から排水を取り入れるための配管１２、電解槽５００からの排水を残留塩素処理器７００に排出するための配管１４、に接続するとともに、電解溶液処理ポンプ５１０が設置されていて、残留塩素濃度測定装置６００とチューブ６０を介して接続している。電解槽排水バルブ７１０は、配管１４に設置されていて、電解槽５００からの電解溶液が残留塩素処理器７００への排出を制御する。残留塩素処理器７００は、電解槽５００からの電解溶液の残留塩素を除去し、処理排水として排出する。   The electrolytic cell 500 includes a bubbling compressor 520 as an oxygen supply device that supplies a gas containing oxygen, an electrolytic cell water level measuring device 530 that measures the water level of the electrolytic solution in the electrolytic cell, and the waste water discharged from the electrolytic cell 500. And a circulation line pipe 13 that can be returned to the electrolytic cell 500 by using an electrolytic solution treatment pump 510. This pipe 13 is connected to the pipe 12 for taking in the waste water from the filter 800 and the pipe 14 for discharging the waste water from the electrolytic cell 500 to the residual chlorinator 700, and an electrolytic solution treatment pump 510 is installed. The residual chlorine concentration measuring device 600 is connected to the tube 60 through the tube 60. The electrolytic cell drain valve 710 is installed in the pipe 14 and controls discharge of the electrolytic solution from the electrolytic cell 500 to the residual chlorine processor 700. The residual chlorine treatment device 700 removes residual chlorine from the electrolytic solution from the electrolytic cell 500 and discharges it as treated waste water.

＝＝＝電解制御装置操作パネル＝＝＝
図２は本発明の一実施例として説明する電解制御装置１００の操作パネルを示す。 === Electrolytic control device operation panel ===
FIG. 2 shows an operation panel of the electrolysis control apparatus 100 described as an embodiment of the present invention.

図２に示すように、電解制御装置１００の操作パネルは、各装置の稼働状況を示す表示器等(操作パネル上部)と電解排水処理装置１０００の現在状況を表示する画面表示ディスプレイ(操作パネル下部)で構成されている。   As shown in FIG. 2, the operation panel of the electrolysis control apparatus 100 includes a display unit (upper part of the operation panel) indicating the operation status of each apparatus and a screen display display (lower part of the operation panel) that displays the current state of the electrolytic wastewater treatment apparatus 1000. ).

操作パネル上部の長方形は、電解制御装置１００が制御している各装置の稼働状況を示す表示器等である。例えば、電解処理ポンプ５１０が稼働しているときは、電解処理ポンプ表示器が点灯する。この表示器が電解処理ポンプ５１０を手動で制御できるように、ボタン式(ボタンを押すことでＯＮ/ＯＦＦを制御する)にすることもできる。   The rectangle at the top of the operation panel is a display or the like indicating the operating status of each apparatus controlled by the electrolysis control apparatus 100. For example, when the electrolytic treatment pump 510 is operating, the electrolytic treatment pump indicator is turned on. It can also be a button type (ON / OFF is controlled by pressing a button) so that the display can manually control the electrolytic treatment pump 510.

また、操作パネル下部の画面表示ディスプレイ左側には、モニターされた電解排水処理装置１０００の現在状況が表示される。例えば、電流、電圧の欄には、それぞれ１Ａ、１Ｖのような現在の電気供給状況が表示される。   Further, the current status of the monitored electrolytic wastewater treatment apparatus 1000 is displayed on the left side of the screen display display at the bottom of the operation panel. For example, the current supply status such as 1A and 1V is displayed in the current and voltage columns, respectively.

操作パネル下部の画面表示ディスプレイ右側には、電解制御装置１００において、排出量プログラム、終了処理プログラム、条件設定プログラムの設定を行う時に、各プログラムの設定内容が表示される。また、一旦設定したプログラムは、プログラム番号によって保存することができ、その番号で再び呼び出せるようにしてもよい。   On the right side of the screen display at the bottom of the operation panel, when the electrolysis control apparatus 100 sets the discharge amount program, the end processing program, and the condition setting program, the setting contents of each program are displayed. The program once set can be stored by the program number and can be called again by the number.

＝＝＝各種条件設定＝＝＝
電解槽５００に排出する排水の塩化物濃度が３％以上になるように、排水貯槽４００、２０％塩化ナトリウム水溶液タンク３００、海水貯槽２００からの排出量を決定する。通常、排水貯槽４００の排水と２０％塩化ナトリウム水溶液タンク３００の溶液を混合して塩化物濃度が３％以上になればよい。排水中の塩化物濃度は、一般的には不明なので、２０％塩化ナトリウム水溶液を全体の溶液量の１５％添加するようにしておくとよい。 === Various condition settings ===
The discharge amounts from the drainage storage tank 400, the 20% sodium chloride aqueous solution tank 300, and the seawater storage tank 200 are determined so that the chloride concentration of the drainage discharged to the electrolytic tank 500 is 3% or more. Usually, the waste water in the waste water storage tank 400 and the solution in the 20% sodium chloride aqueous solution tank 300 may be mixed so that the chloride concentration becomes 3% or more. Since the chloride concentration in the waste water is generally unknown, it is preferable to add a 20% sodium chloride aqueous solution to 15% of the total solution amount.

電解排水処理を繰り返す処理回数をプログラムする。処理回数は任意の数でよいが、この設定をブランクにしておくことで、排水貯槽４００の排水がなくなるまでという設定が行われる。電解処理の自動化の面からは、ブランクにしておくのが好ましい。 Program the number of times to repeat electrolytic wastewater treatment. The number of treatments may be any number, but by setting this setting to be blank, setting is made until the drainage of the drainage storage tank 400 is exhausted. From the viewpoint of automation of the electrolytic treatment, it is preferable to leave it blank.

電気分解の条件は特に限定しないが、定電流で、電流密度１０〜１０００Ａ／ｄｍ２であることが好ましく、経済的観点からは、２０〜３００Ａ／ｄｍ２であることがさらに好ましい。その際、電圧は１Ｖ以上になるように制御するのが好ましい。 Conditions of the electrolysis is not particularly limited, a constant current is preferably a current density 10~1000A / dm 2, from the economic point of view, further preferably 20~300A / dm 2. At that time, it is preferable to control the voltage to be 1 V or more.

＝＝＝電解排水処理システムの処理手順＝＝＝
本発明の一実施例として説明する電解排水処理システム１０００の処理の手順を、図３のフローチャートを参考にしながら、詳細に述べる。 === Procedure of electrolytic wastewater treatment system ===
The procedure of the electrolytic wastewater treatment system 1000 described as an embodiment of the present invention will be described in detail with reference to the flowchart of FIG.

まず、電解排水処理システム１０００の電解制御装置１００の電源を入れる。   First, the electrolysis control apparatus 100 of the electrolytic wastewater treatment system 1000 is turned on.

海水海水量注入ポンプ２１０、塩化ナトリウム水溶液注入ポンプ３１０、排水処理ポンプ４１０が、海水、２０％塩化ナトリウム水溶液、及び排水を、事前に設定された量だけ汲み上げ、配管１０、１１を通じて、ろ過器８００に注入する。これらの溶液に固形物(例えば、木片などの海のゴミ)が含まれていることがあるので、ろ過器８００にてその固形物を除去した後、配管１２、１３を通じて電解槽５００に注入する（Ｓ１０１）。   Seawater seawater injection pump 210, sodium chloride aqueous solution injection pump 310, and wastewater treatment pump 410 pump seawater, 20% aqueous sodium chloride solution, and wastewater by a preset amount, and filter 800 through pipes 10 and 11. Inject. Since these solutions may contain solids (for example, marine debris such as wood chips), the solids are removed by the filter 800 and then injected into the electrolytic cell 500 through the pipes 12 and 13. (S101).

次に、電解制御装置１００は電解装置(例えば、電極)５４０による電気分解処理を制御する。具体的には、電解制御装置１００は、電線９を利用して電解槽５００に備えられた電解装置５４０に、電気分解するために設定された電流、電圧に従って電気を供給し、電気分解を始める（Ｓ１０２）。また、電解溶液処理ポンプ５１０を作動させることにより、電解槽５００から排出される電解液を配管１３を用いて循環させる（Ｓ１０２）。その上、バブリング用コンプレッサー５２０も作動させ、電解槽５００の酸素濃度を高めて電気分解を促進するために、酸素を含む気体を電解溶液に供給する。電解溶液処理ポンプ５１０によって配管１３内を循環している電解槽５００の電解溶液の残留塩素濃度を残留塩素測定装置６００を用いて測定する（Ｓ１０３）。こうして残留塩素濃度を測定し、測定した濃度が所定値以上かどうか判断する（Ｓ１０４）ことによって、実施例１〜４に記載されているように、電気分解の終了点を判断することができる。即ち、電解制御装置１００は、所定値未満の場合は、再度塩素濃度を測定し、所定値以上の場合は、電気分解と電解溶液処理ポンプ５１０を停止する（Ｓ１０５）。そして、電気分解された電解槽５００の溶液を残留塩素処理器７００に排出するため電解排水バルブ７１０を開栓する（Ｓ１０６）と、配管１３を循環していた電解液は、配管１４を通って残留塩素処理器７００に排出される。電解制御装置１００は、電解槽水位測定装置５３０によって検知される電解槽５００の水位が所定の水位(例えば、電解槽が空であることを示す０)に達したかどうか確認し（Ｓ１０７）、電解槽５００内の溶液が全て排出されたことを電解槽水位測定装置５３０によって確認したら、電解排水バルブ７１０を閉栓し（Ｓ１０８）、電解溶液の残留塩素処理器７００への排出は停止する。   Next, the electrolysis control apparatus 100 controls the electrolysis process by the electrolysis apparatus (for example, electrode) 540. Specifically, the electrolysis control apparatus 100 supplies electricity to the electrolysis apparatus 540 provided in the electrolysis tank 500 using the electric wire 9 according to the current and voltage set for electrolysis, and starts electrolysis. (S102). Further, by operating the electrolytic solution treatment pump 510, the electrolytic solution discharged from the electrolytic cell 500 is circulated using the pipe 13 (S102). In addition, the bubbling compressor 520 is also operated to supply oxygen-containing gas to the electrolytic solution in order to increase the oxygen concentration in the electrolytic cell 500 and promote electrolysis. The residual chlorine concentration of the electrolytic solution in the electrolytic bath 500 circulating in the pipe 13 is measured using the residual chlorine measuring device 600 by the electrolytic solution treatment pump 510 (S103). By measuring the residual chlorine concentration and determining whether the measured concentration is equal to or higher than a predetermined value (S104), the end point of the electrolysis can be determined as described in Examples 1 to 4. That is, the electrolysis control apparatus 100 measures the chlorine concentration again when it is less than the predetermined value, and stops the electrolysis and the electrolytic solution treatment pump 510 when it is greater than the predetermined value (S105). Then, when the electrolytic drain valve 710 is opened to discharge the electrolyzed electrolytic cell 500 solution to the residual chlorinator 700 (S106), the electrolytic solution circulating in the pipe 13 passes through the pipe 14. It is discharged to the residual chlorine processor 700. The electrolysis control device 100 confirms whether or not the water level of the electrolyzer 500 detected by the electrolyzer water level measuring device 530 has reached a predetermined water level (for example, 0 indicating that the electrolyzer is empty) (S107), When the electrolytic cell water level measuring device 530 confirms that all the solution in the electrolytic cell 500 has been discharged, the electrolytic drain valve 710 is closed (S108), and the discharge of the electrolytic solution to the residual chlorinator 700 is stopped.

残留塩素処理器７００では、排出された電解液中の残留塩素を、例えば、カーボンファイバー、ゼオライト、活性炭等を用いて除去する。これにより、塩素臭や配管などに用いられる金属の腐食の原因となる酸化力のある形の残留塩素、例えば、遊離残留塩素(次亜塩素酸や次亜塩素酸イオン)、結合残留塩素(アンモニアや有機性窒素化合物等と結合した塩素)を取り除くことができ、環境に対してより好ましい処理排水を排出することができる。   In the residual chlorine treatment device 700, residual chlorine in the discharged electrolyte solution is removed using, for example, carbon fiber, zeolite, activated carbon or the like. As a result, residual chlorine in an oxidative form that causes corrosion of metals used in pipes, etc., such as free residual chlorine (hypochlorous acid and hypochlorite ions), combined residual chlorine (ammonia) And chlorine combined with organic nitrogen compounds, etc., and wastewater that is more favorable to the environment can be discharged.

電解排水処理が完了すると、電解制御装置１００は、終了処理が処理回数で設定されているプログラムかどうか判断する（Ｓ１０９）。もし、処理回数で判断するプログラムであるならば、現在の処理回数が設定した回数に到達したかどうか判断し（Ｓ１１０）、設定した回数に到達していなければ、回数を１つ増加させ、再び上記電解排水処理を繰り返すために、排水貯槽４００に排水が存在するか判断する（Ｓ１１１）。これは、排水が存在していないのに、電解排水処理が実施されるのを防ぐためである。到達していた場合は、電解制御装置１００の電源を切り、電解排水処理を終了する。一方、処理回数で判断しないプログラムの場合は、排水貯槽４００の排水が無くなるまで電解排水処理を実施するので、排水貯槽４００に排水が存在するかどうか確認する（Ｓ１１１）。排水が存在するならば、再び上記電解排水処理を繰り返すために、Ｓ１０１に戻り、排水が存在しないならば、電解排水処理を終了し、電解制御装置１００の電源を切る。   When the electrolytic drainage process is completed, the electrolysis control apparatus 100 determines whether the end process is a program set by the number of processes (S109). If it is a program for judging by the number of processing times, it is judged whether or not the current number of processing times has reached the set number of times (S110). If the set number of times has not been reached, the number of times is increased by one, and again. In order to repeat the electrolytic waste water treatment, it is determined whether there is waste water in the waste water storage tank 400 (S111). This is to prevent the electrolytic waste water treatment from being carried out even though there is no waste water. When it has reached, the power of the electrolysis control device 100 is turned off, and the electrolytic drainage treatment is finished. On the other hand, in the case of a program that does not judge based on the number of treatments, since the electrolytic drainage treatment is performed until the drainage of the drainage storage tank 400 is exhausted, it is confirmed whether there is any drainage in the drainage storage tank 400 (S111). If there is drainage, the process returns to S101 to repeat the electrolytic drainage process again. If there is no drainage, the electrolytic drainage process is terminated and the electrolysis control apparatus 100 is turned off.

＝＝＝電解排水処理システムの移動手段＝＝＝
電解排水処理システムを移動可能にするための手段として、電解排水処理システムを搭載することができ、原動機等の動力を用いて任意の目的地まで移動することが可能な乗り物又は運搬具であれば何でもよい。例えば、貨物運搬用の自動車、飛行機、船舶、などが挙げられるが、これらに限定されない。 === Moving means of electrolytic wastewater treatment system ===
As a means for making the electrolytic wastewater treatment system movable, an electrolytic wastewater treatment system can be mounted, and any vehicle or vehicle that can move to any destination using power such as a prime mover Anything Examples thereof include, but are not limited to, a car for carrying cargo, an airplane, a ship, and the like.

海水を含む排水（クラゲを溶解した溶液でCODを304mg/L含有する）４リットルに、Cannon電極（Φ３２×６００Ｌ）テスト機で電流を４８Ａ通電を行い経時的に水質測定と電解時間毎のCODを計測した。その結果を表１及び図４に示す。

Figure 0004518826
Water quality measurement and COD for each electrolysis time were performed over 4 liters of water (including jellyfish dissolved in a solution containing 304 mg / L of COD) and 48 A of current with a Cannon electrode (Φ32 × 600 L) test machine. Was measured. The results are shown in Table 1 and FIG.
Figure 0004518826

表１及び図４に示すように、残留塩素が1,000（mg/L）以上になると、目標処理COD 50（mg/L）以下になることが確認できる。すなわち、残留塩素が1,000（mg/L）以上になった時に、電気分解を止めるように制御することができる。   As shown in Table 1 and FIG. 4, it can be confirmed that when the residual chlorine is 1,000 (mg / L) or more, the target treatment COD 50 (mg / L) or less. That is, it can be controlled to stop the electrolysis when the residual chlorine becomes 1,000 (mg / L) or more.

排水（煙道水洗水３．４リットルにNaCl２０％０．６リットルを含有する）４リットル（NaCl濃度３％）に、Cannon電極（Φ３２×６００Ｌ）テスト機で電流を４８Ａ通電を行い経時的に水質測定と電解時間毎のアンモニアを計測した。それらの結果を表２及び図５に示す。

Figure 0004518826
Drainage (containing 0.6 liters of NaCl 20% in 3.4 liters of flue flush water) 4 liters (NaCl concentration 3%) was passed through a 48 A current with a Cannon electrode (Φ32 x 600 L) tester over time. Ammonia was measured for each water quality measurement and electrolysis time. The results are shown in Table 2 and FIG.
Figure 0004518826

表２及び図５に示すように、残留塩素が100（mg/L）以上になると，目標処理アンモニア 50（mg/L）以下にすることが確認できる。すなわち、残留塩素が100（mg/L）になった時に，電気分解を止めるように制御することができる。   As shown in Table 2 and FIG. 5, when the residual chlorine is 100 (mg / L) or more, it can be confirmed that the target treated ammonia is 50 (mg / L) or less. That is, it can be controlled to stop electrolysis when the residual chlorine reaches 100 (mg / L).

排水（煙道水洗水３．７リットルにNaCl２０％０．３リットルを含有する）４リットル（NaCl濃度１．５％）に、Cannon電極（Φ３２×６００Ｌ）テスト機で電流を４８Ａ通電を行い経時的に水質測定と電解時間毎のアンモニアを計測した。それらの結果を表３及び図６に示す。

Figure 0004518826
Drainage (containing 0.1% NaCl 20% in 3.7 liters of flue flush water) 4 liters (NaCl concentration 1.5%) was energized with a Cannon electrode (Φ32 × 600L) tester at 48A. In particular, water quality was measured and ammonia was measured at every electrolysis time. The results are shown in Table 3 and FIG.
Figure 0004518826

表３及び図６に示すように、NaCl濃度1.5％の場合、3％に比べ処理時間がかかり、効率的にアンモニアの処理ができないことが確認できる。   As shown in Table 3 and FIG. 6, when the NaCl concentration is 1.5%, it takes more time than 3%, and it can be confirmed that the ammonia treatment cannot be performed efficiently.

排水（煙道水洗水１．７リットルに、水１．７リットルとNaCl２０％０．６リットルを含有する）４リットル（NaCl濃度３％に調整した２倍希釈排水）に、Cannon電極（Φ３２×６００Ｌ）テスト機で電流を４８Ａ通電を行い経時的に水質測定と電解時間毎のアンモニアを計測した。それらの結果を表４及び図７に示す。

Figure 0004518826
Drainage (containing 1.7 liters of flue flush water, 1.7 liters of water and 0.6 liters of NaCl 20%) 4 liters (double diluted effluent adjusted to 3% NaCl concentration), Cannon electrode (Φ32 × 600L) A current of 48 A was applied with a test machine, and water quality was measured over time and ammonia was measured at every electrolysis time. The results are shown in Table 4 and FIG.
Figure 0004518826

表４及び図７に示すように、2倍希釈しNaCl濃度3％の場合、残留塩素が100（mg/L）になるように電解を制御すれば、希釈しない場合より効率的なアンモニア処理を行うことが確認できる。   As shown in Table 4 and FIG. 7, when the electrolysis is controlled so that the residual chlorine is 100 (mg / L) when diluted twice and the NaCl concentration is 3%, more efficient ammonia treatment can be achieved than without dilution. I can confirm that I do it.

上記実施例１〜４により、電解槽５００に注入する溶液は、塩化物濃度が３％以上であることが望ましく、残留塩素濃度は、COD処理を目的とする場合は、１０００（ｍｇ/L）を所定の濃度とし、アンモニア処理を目的とする場合は、１００（ｍｇ/L）を所定の濃度とすることが好ましい。もし、COD処理とアンモニア処理の両方を目的とする場合は、１０００（ｍｇ/L）を所定の濃度とすることが好ましい。   According to the above Examples 1 to 4, the solution injected into the electrolytic cell 500 desirably has a chloride concentration of 3% or more, and the residual chlorine concentration is 1000 (mg / L) for the purpose of COD treatment. Is a predetermined concentration, and 100 (mg / L) is preferably a predetermined concentration when ammonia treatment is intended. If both COD treatment and ammonia treatment are intended, 1000 (mg / L) is preferably set to a predetermined concentration.

本発明の一実施例として説明する電解排水処理システム１０００の構成を示す図である。It is a figure which shows the structure of the electrolytic waste water treatment system 1000 demonstrated as one Example of this invention. 本発明の一実施例として説明する電解制御装置１００の操作パネルを示す図である。It is a figure which shows the operation panel of the electrolysis control apparatus 100 demonstrated as one Example of this invention. 本発明の一実施例として説明する電解排水処理システム１０００の処理手順を示すフローチャートである。It is a flowchart which shows the process sequence of the electrolytic waste water treatment system 1000 demonstrated as one Example of this invention. 実施例１の、電解時間に対する残留塩素及びＣＯＤの計測結果を示す図である。It is a figure which shows the measurement result of the residual chlorine with respect to the electrolysis time of Example 1, and COD. 実施例２の、電解時間に対する残留塩素及びＣＯＤの計測結果を示す図である。It is a figure which shows the measurement result of the residual chlorine with respect to the electrolysis time of Example 2, and COD. 実施例３の、電解時間に対する残留塩素及びＣＯＤの計測結果を示す図である。It is a figure which shows the measurement result of the residual chlorine with respect to electrolysis time of Example 3, and COD. 実施例４の、電解時間に対する残留塩素及びＣＯＤの計測結果を示す図である。It is a figure which shows the measurement result of the residual chlorine and COD with respect to the electrolysis time of Example 4.

符号の説明Explanation of symbols

１〜９ 電線
１０〜１４ 配管
２０〜２１ 配管
３０〜３１ 配管
４０〜４１ 配管
６０ チューブ
１００ 電解制御装置
２００ 海水貯槽
２１０ 海水注入ポンプ
２２０ 弁
３００ ２０％塩化ナトリウム水溶液タンク
３１０ 塩化ナトリウム水溶液注入ポンプ
３２０ 弁
４００ 排水貯槽
４１０ 排水処理ポンプ
４２０ 弁
５００ 電解槽
５１０ 電解溶液処理ポンプ
５２０ バブリング用コンプレッサー
５３０ 電解槽水位測定装置
５４０ 電解装置
６００ 残留塩素測定装置
７００ 残留塩素処理器
７１０ 電解排水バルブ
１０００ 電解排水処理システム 1-9 Electric wire 10-14 Piping 20-21 Piping 30-31 Piping 40-41 Piping 60 Tube 100 Electrolytic control device 200 Seawater storage tank 210 Seawater infusion pump 220 Valve 300 20% sodium chloride aqueous solution tank 310 Sodium chloride aqueous solution infusion pump 320 Valve 400 Wastewater storage tank 410 Wastewater treatment pump 420 Valve 500 Electrolytic tank 510 Electrolytic solution treatment pump 520 Compressor for bubbling 530 Electrolyzer water level measuring device 540 Electrolytic device 600 Residual chlorine measuring device 700 Residual chlorine processor 710 Electrolytic drainage valve 1000 Electrolytic wastewater treatment system

Claims (12)

排水を貯蔵するための排水貯槽と、
海水を貯蔵するための海水貯槽と、
所定濃度の塩化ナトリウム水溶液を貯蔵するための塩化ナトリウム水溶液タンクと、
前記排水貯槽から排出される前記排水を電気分解するための電解装置を備える電解槽と、
前記電解槽内の電解溶液の残留塩素濃度を、電気分解中に測定するための残留塩素測定装置と、
前記電解槽の電解溶液の水位を測定するための電解槽水位測定装置と、
前記排水貯槽から前記電解槽に至る第１配管群の途中に設けられ、前記排水貯槽の排水を前記第１配管群の配管に汲み上げる排水処理ポンプと、
前記海水貯槽から前記電解槽に至る第２配管群の途中に設けられ、前記海水貯槽の海水を前記第２配管群の配管に汲み上げる海水注入ポンプと、
前記塩化ナトリウム水溶液タンクから前記電解槽に至る第３配管群の途中に設けられ、前記塩化ナトリウム水溶液タンクの塩化ナトリウム水溶液を前記第３配管群の配管に汲み上げる塩化ナトリウム水溶液注入ポンプと、
前記電解槽からの第４配管群の途中に設けられ、前記電解槽から電解溶液を排出させるための電解溶液処理ポンプ及び電解槽排水バルブと、
前記海水注入ポンプを動作させることで前記海水貯槽からの前記海水の排出を制御し、前記塩化ナトリウム水溶液注入ポンプを動作させることで前記塩化ナトリウム水溶液タンクからの前記塩化ナトリウム水溶液の排出を制御し、前記排水処理ポンプを動作させることで前記排水貯槽からの前記排水の排出を制御し、前記電解装置を動作させることで前記電解槽における電気分解処理を制御し、前記残留塩素測定装置による前記残留塩素濃度の測定処理を制御し、前記電解槽水位測定装置による前記電解溶液の水位の測定処理を制御し、前記電解溶液処理ポンプ及び前記電解槽排水バルブを制御することで前記電解槽からの電解溶液の排出を制御する電解制御装置と、
を備え、
前記電解制御装置は、
前記塩化ナトリウム水溶液が全体の溶液量における所定割合を占めるように、前記排水と前記塩化ナトリウム水溶液と前記海水とを、前記電解槽に排出することを特徴とする電解排水処理システム。 A waste water storage tank for storing waste water;
A seawater storage tank for storing seawater;
A sodium chloride aqueous solution tank for storing a sodium chloride aqueous solution of a predetermined concentration;
An electrolytic bath comprising an electrolysis device for electrolyzing the waste water discharged from the drainage savings tank,
A residual chlorine measuring device for measuring the residual chlorine concentration of the electrolytic solution in the electrolytic cell during electrolysis;
An electrolyzer water level measuring device for measuring the water level of the electrolytic solution in the electrolyzer;
A drainage treatment pump provided in the middle of the first piping group from the drainage storage tank to the electrolytic cell, and pumping the drainage of the drainage storage tank to the piping of the first piping group;
A seawater injection pump provided in the middle of the second piping group extending from the seawater storage tank to the electrolytic cell, and pumping the seawater of the seawater storage tank into the piping of the second piping group;
A sodium chloride aqueous solution injection pump provided in the middle of the third piping group from the sodium chloride aqueous solution tank to the electrolytic cell, and pumping up the sodium chloride aqueous solution of the sodium chloride aqueous solution tank to the piping of the third piping group;
Provided in the middle of the fourth piping group from the electrolytic cell, and an electrolytic solution treatment pump and an electrolytic cell drain valve for discharging the electrolytic solution from the electrolytic cell;
By controlling the discharge of the seawater from the seawater storage tank by operating the seawater injection pump, and controlling the discharge of the sodium chloride aqueous solution from the sodium chloride aqueous solution tank by operating the sodium chloride aqueous solution injection pump, The drainage treatment pump is operated to control the discharge of the wastewater from the wastewater storage tank, the electrolysis device is operated to control the electrolysis treatment in the electrolytic tank, and the residual chlorine measurement device uses the residual chlorine measurement device. Control the concentration measurement process, control the measurement process of the electrolytic solution water level by the electrolytic cell water level measuring device, and control the electrolytic solution treatment pump and the electrolytic cell drain valve to control the electrolytic solution from the electrolytic cell An electrolysis control device for controlling the discharge of
With
The electrolysis control device comprises:
The electrolytic wastewater treatment system , wherein the wastewater, the sodium chloride aqueous solution, and the seawater are discharged to the electrolytic cell so that the sodium chloride aqueous solution occupies a predetermined ratio in the total solution amount . 前記塩化ナトリウム水溶液の濃度は２０％であり、
前記電解制御装置は、
前記塩化ナトリウム水溶液が全体の溶液量の１５％を占めるように、前記排水と前記塩化ナトリウム水溶液と前記海水とを前記電解槽に排出することで、前記電解槽内の前記電解溶液の塩化物濃度を３％以上にすることを特徴とする請求項１に記載の電解排水処理システム。 The concentration of the sodium chloride aqueous solution is 20%,
The electrolysis control device comprises:
By discharging the waste water, the sodium chloride aqueous solution and the seawater to the electrolytic cell so that the sodium chloride aqueous solution accounts for 15% of the total solution amount, the chloride concentration of the electrolytic solution in the electrolytic cell The electrolytic waste water treatment system according to claim 1, wherein the content is 3% or more . 前記残留塩素測定装置は、前記電解槽中の電解溶液の残留塩素濃度を測定することによって、前記電気分解の終了点を決定することを特徴とする請求項１又は２に記載の電解排水処理システム。   The electrolytic wastewater treatment system according to claim 1 or 2, wherein the residual chlorine measuring device determines an end point of the electrolysis by measuring a residual chlorine concentration of an electrolytic solution in the electrolytic cell. . 前記排水貯槽、前記海水貯槽、及び塩化ナトリウム水溶液タンクからそれぞれ排出される溶液をろ過するためのろ過器を、前記排水処理ポンプ、前記海水注入ポンプ、及び塩化ナトリウム水溶液注入ポンプよりも下流側であって前記電解槽よりも上流側に備えることを特徴とする請求項１から３のいずれか１項に記載の電解排水処理システム。 A filter for filtering the solution discharged from each of the waste water storage tank, the sea water storage tank, and the sodium chloride aqueous solution tank is located downstream of the waste water treatment pump, the sea water injection pump, and the sodium chloride aqueous solution injection pump. electrolysis wastewater treatment system according to any one of claims 1 to 3, characterized in that it comprises upstream of the electrolytic cell Te. 前記第４配管群を通じて前記電解槽から排出される電解溶液について、残留塩素を除去し、処理排水として排出する残留塩素処理装置を備えることを特徴とする請求項１から４のいずれか１項に記載の電解排水処理システム。 Electrolytic solution discharged from the electrolytic cell through the fourth pipe group, the residual chlorine was removed from the claim 1, characterized in that it comprises a residual chlorine processing apparatus for discharging a treated wastewater in any one of 4 The described electrolytic wastewater treatment system. 前記電解槽から排出される電解溶液を再び前記電解槽に戻す電解溶液の循環を行うための電解溶液循環装置を備え、
前記残留塩素測定装置が、前記電解溶液の循環中に前記電解溶液の残留塩素濃度を測定することにより、前記電解槽内の電解溶液の残留塩素濃度を、電気分解中に測定することを特徴とする請求項１から５のいずれか１項に記載の電解排水処理システム。 An electrolytic solution circulation device for circulating the electrolytic solution that returns the electrolytic solution discharged from the electrolytic cell to the electrolytic cell again,
The residual chlorine measuring device measures the residual chlorine concentration of the electrolytic solution in the electrolytic cell during electrolysis by measuring the residual chlorine concentration of the electrolytic solution during circulation of the electrolytic solution. electrolysis wastewater treatment system according to claim 1, any one of 5 to. 酸素を含む気体を前記電解槽内の電解溶液に供給する酸素供給装置を備えることを特徴とする請求項１から６のいずれか１項に記載の電解排水処理システム。 Electrolysis wastewater treatment system according to any one of claims 1 6, characterized in that it comprises an oxygen supply unit for supplying the electrolytic solution in said electrolytic bath a gas containing oxygen. システム全体を移動するための移動手段を備えていることを特徴とする請求項１〜７のいずれか１項に記載の電解排水処理システム。 Electrolysis wastewater treatment system according to any one of claims 1 to 7, characterized in that it comprises a moving means for moving the whole system. 排水を貯蔵するための排水貯槽と、A waste water storage tank for storing waste water;
海水を貯蔵するための海水貯槽と、A seawater storage tank for storing seawater;
所定濃度の塩化ナトリウム水溶液を貯蔵するための塩化ナトリウム水溶液タンクと、A sodium chloride aqueous solution tank for storing a sodium chloride aqueous solution of a predetermined concentration;
前記排水貯槽から排出される前記排水を電気分解するための電解装置を備える電解槽と、An electrolyzer comprising an electrolyzer for electrolyzing the wastewater discharged from the wastewater storage tank;
前記電解槽内の電解溶液の残留塩素濃度を、電気分解中に測定するための残留塩素測定装置と、A residual chlorine measuring device for measuring the residual chlorine concentration of the electrolytic solution in the electrolytic cell during electrolysis;
前記電解槽の電解溶液の水位を測定するための電解槽水位測定装置と、An electrolyzer water level measuring device for measuring the water level of the electrolytic solution in the electrolyzer;
前記排水貯槽から前記電解槽に至る第１配管群の途中に設けられ、前記排水貯槽の排水を前記第１配管群の配管に汲み上げる排水処理ポンプと、A drainage treatment pump provided in the middle of the first piping group from the drainage storage tank to the electrolytic cell, and pumping the drainage of the drainage storage tank to the piping of the first piping group;
前記海水貯槽から前記電解槽に至る第２配管群の途中に設けられ、前記海水貯槽の海水を前記第２配管群の配管に汲み上げる海水注入ポンプと、A seawater injection pump provided in the middle of the second piping group extending from the seawater storage tank to the electrolytic cell, and pumping the seawater of the seawater storage tank into the piping of the second piping group;
前記塩化ナトリウム水溶液タンクから前記電解槽に至る第３配管群の途中に設けられ、前記塩化ナトリウム水溶液タンクの塩化ナトリウム水溶液を前記第３配管群の配管に汲み上げる塩化ナトリウム水溶液注入ポンプと、A sodium chloride aqueous solution injection pump provided in the middle of the third piping group from the sodium chloride aqueous solution tank to the electrolytic cell, and pumping up the sodium chloride aqueous solution of the sodium chloride aqueous solution tank to the piping of the third piping group;
前記電解槽からの第４配管群の途中に設けられ、前記電解槽から電解溶液を排出させるための電解溶液処理ポンプ及び電解槽排水バルブと、Provided in the middle of the fourth piping group from the electrolytic cell, and an electrolytic solution treatment pump and an electrolytic cell drain valve for discharging the electrolytic solution from the electrolytic cell;
を含んだ電解排水処理システムに用いられる電解制御装置であって、An electrolytic control device used for an electrolytic wastewater treatment system including
前記海水注入ポンプを動作させることで前記海水貯槽からの前記海水の排出を制御し、By controlling the discharge of the seawater from the seawater storage tank by operating the seawater injection pump,
前記塩化ナトリウム水溶液注入ポンプを動作させることで前記塩化ナトリウム水溶液タンクからの前記塩化ナトリウム水溶液の排出を制御し、By controlling the discharge of the sodium chloride aqueous solution from the sodium chloride aqueous solution tank by operating the sodium chloride aqueous solution injection pump,
前記排水処理ポンプを動作させることで前記排水貯槽からの前記排水の排出を制御し、By controlling the discharge of the waste water from the waste water storage tank by operating the waste water treatment pump,
前記電解装置を動作させることで前記電解槽における電気分解処理を制御し、By controlling the electrolysis process in the electrolytic cell by operating the electrolyzer,
前記残留塩素測定装置による前記残留塩素濃度の測定処理を制御し、Controlling the measurement process of the residual chlorine concentration by the residual chlorine measuring device,
前記電解槽水位測定装置による前記電解溶液の水位の測定処理を制御し、Control the measurement process of the water level of the electrolytic solution by the electrolytic cell water level measuring device,
前記電解溶液処理ポンプ及び前記電解槽排水バルブを制御することで前記電解槽からの電解溶液の排出を制御し、かつ、Controlling the discharge of the electrolytic solution from the electrolytic cell by controlling the electrolytic solution treatment pump and the electrolytic cell drain valve; and
前記塩化ナトリウム水溶液が全体の溶液量における所定割合を占めるように、前記排水と前記塩化ナトリウム水溶液と前記海水とを、前記電解槽に排出させることを特徴とする電解排水処理システム用の電解制御装置。The electrolytic control apparatus for an electrolytic wastewater treatment system, wherein the wastewater, the sodium chloride aqueous solution, and the seawater are discharged to the electrolytic cell so that the sodium chloride aqueous solution occupies a predetermined ratio in the total solution amount. . 排水を貯蔵するための排水貯槽と、A waste water storage tank for storing waste water;
海水を貯蔵するための海水貯槽と、A seawater storage tank for storing seawater;
所定濃度の塩化ナトリウム水溶液を貯蔵するための塩化ナトリウム水溶液タンクと、A sodium chloride aqueous solution tank for storing a sodium chloride aqueous solution of a predetermined concentration;
前記排水貯槽から排出される前記排水を電気分解するための電解装置を備える電解槽と、An electrolyzer comprising an electrolyzer for electrolyzing the wastewater discharged from the wastewater storage tank;
前記電解槽内の電解溶液の残留塩素濃度を、電気分解中に測定するための残留塩素測定装置と、A residual chlorine measuring device for measuring the residual chlorine concentration of the electrolytic solution in the electrolytic cell during electrolysis;
前記電解槽の電解溶液の水位を測定するための電解槽水位測定装置と、An electrolyzer water level measuring device for measuring the water level of the electrolytic solution in the electrolyzer;
前記排水貯槽から前記電解槽に至る第１配管群の途中に設けられ、前記排水貯槽の排水を前記第１配管群の配管に汲み上げる排水処理ポンプと、A drainage treatment pump provided in the middle of the first piping group from the drainage storage tank to the electrolytic cell, and pumping the drainage of the drainage storage tank to the piping of the first piping group;
前記海水貯槽から前記電解槽に至る第２配管群の途中に設けられ、前記海水貯槽の海水を前記第２配管群の配管に汲み上げる海水注入ポンプと、A seawater injection pump provided in the middle of the second piping group extending from the seawater storage tank to the electrolytic cell, and pumping the seawater of the seawater storage tank into the piping of the second piping group;
前記塩化ナトリウム水溶液タンクから前記電解槽に至る第３配管群の途中に設けられ、前記塩化ナトリウム水溶液タンクの塩化ナトリウム水溶液を前記第３配管群の配管に汲み上げる塩化ナトリウム水溶液注入ポンプと、A sodium chloride aqueous solution injection pump provided in the middle of the third piping group from the sodium chloride aqueous solution tank to the electrolytic cell, and pumping up the sodium chloride aqueous solution of the sodium chloride aqueous solution tank to the piping of the third piping group;
前記電解槽からの第４配管群の途中に設けられ、前記電解槽から電解溶液を排出させるための電解溶液処理ポンプ及び電解槽排水バルブと、Provided in the middle of the fourth piping group from the electrolytic cell, and an electrolytic solution treatment pump and an electrolytic cell drain valve for discharging the electrolytic solution from the electrolytic cell;
を含んだ電解排水処理システムにおける排水処理方法であって、A wastewater treatment method in an electrolytic wastewater treatment system including
前記海水注入ポンプ、前記塩化ナトリウム水溶液注入ポンプ、前記排水処理ポンプを動作させることで、前記塩化ナトリウム水溶液が全体の溶液量における所定割合を占めるように、前記排水と前記塩化ナトリウム水溶液と前記海水とを、前記電解槽に排出させる工程と、By operating the seawater injection pump, the sodium chloride aqueous solution injection pump, and the wastewater treatment pump, the drainage, the sodium chloride aqueous solution, and the seawater are arranged so that the sodium chloride aqueous solution occupies a predetermined ratio in the total solution amount. And discharging the electrolytic cell,
前記電解装置を動作させることで、前記電解槽にて、前記排水と前記塩化ナトリウム水溶液と前記海水とが混合された溶液を電気分解する工程と、Electrolyzing a solution in which the waste water, the aqueous sodium chloride solution and the seawater are mixed in the electrolytic cell by operating the electrolysis device;
前記残留塩素測定装置により、前記残留塩素濃度を測定する工程と、A step of measuring the residual chlorine concentration by the residual chlorine measuring device;
前記電解槽水位測定装置により、前記電解溶液の水位を測定する工程と、Measuring the water level of the electrolytic solution with the electrolytic cell water level measuring device;
前記電解溶液処理ポンプ及び前記電解槽排水バルブを動作させることで、前記電解槽から電解溶液を排出させる工程と、A step of discharging the electrolytic solution from the electrolytic cell by operating the electrolytic solution treatment pump and the electrolytic cell drain valve;
を行うことを特徴とする電解排水処理システムにおける排水処理方法。A wastewater treatment method in an electrolytic wastewater treatment system, characterized in that: 排水を貯蔵するための排水貯槽と、A waste water storage tank for storing waste water;
海水を貯蔵するための海水貯槽と、A seawater storage tank for storing seawater;
所定濃度の塩化ナトリウム水溶液を貯蔵するための塩化ナトリウム水溶液タンクと、A sodium chloride aqueous solution tank for storing a sodium chloride aqueous solution of a predetermined concentration;
前記排水貯槽から排出される前記排水を電気分解するための電解装置を備える電解槽と、An electrolyzer comprising an electrolyzer for electrolyzing the wastewater discharged from the wastewater storage tank;
前記電解槽内の電解溶液の残留塩素濃度を、電気分解中に測定するための残留塩素測定装置と、A residual chlorine measuring device for measuring the residual chlorine concentration of the electrolytic solution in the electrolytic cell during electrolysis;
前記電解槽の電解溶液の水位を測定するための電解槽水位測定装置と、An electrolyzer water level measuring device for measuring the water level of the electrolytic solution in the electrolyzer;
前記排水貯槽から前記電解槽に至る第１配管群の途中に設けられ、前記排水貯槽の排水を前記第１配管群の配管に汲み上げる排水処理ポンプと、A drainage treatment pump provided in the middle of the first piping group from the drainage storage tank to the electrolytic cell, and pumping the drainage of the drainage storage tank to the piping of the first piping group;
前記海水貯槽から前記電解槽に至る第２配管群の途中に設けられ、前記海水貯槽の海水を前記第２配管群の配管に汲み上げる海水注入ポンプと、A seawater injection pump provided in the middle of the second piping group extending from the seawater storage tank to the electrolytic cell, and pumping the seawater of the seawater storage tank into the piping of the second piping group;
前記塩化ナトリウム水溶液タンクから前記電解槽に至る第３配管群の途中に設けられ、前記塩化ナトリウム水溶液タンクの塩化ナトリウム水溶液を前記第３配管群の配管に汲み上げる塩化ナトリウム水溶液注入ポンプと、A sodium chloride aqueous solution injection pump provided in the middle of the third piping group from the sodium chloride aqueous solution tank to the electrolytic cell, and pumping up the sodium chloride aqueous solution of the sodium chloride aqueous solution tank to the piping of the third piping group;
前記電解槽からの第４配管群の途中に設けられ、前記電解槽から電解溶液を排出させるための電解溶液処理ポンプ及び電解槽排水バルブと、Provided in the middle of the fourth piping group from the electrolytic cell, and an electrolytic solution treatment pump and an electrolytic cell drain valve for discharging the electrolytic solution from the electrolytic cell;
を含んだ電解排水処理システムに用いられる電解制御装置を動作させるプログラムであって、A program for operating an electrolytic control device used in an electrolytic wastewater treatment system including
前記塩化ナトリウム水溶液が全体の溶液量における所定割合を占めるように、前記排水と前記塩化ナトリウム水溶液と前記海水とを、前記電解槽に排出させるために、前記海水注入ポンプ、前記塩化ナトリウム水溶液注入ポンプ、前記排水処理ポンプを動作させるステップと、In order to discharge the waste water, the sodium chloride aqueous solution, and the seawater to the electrolytic cell so that the sodium chloride aqueous solution occupies a predetermined ratio in the total solution amount, the seawater injection pump, the sodium chloride aqueous solution injection pump Operating the wastewater treatment pump;
前記電解槽にて、前記排水と前記塩化ナトリウム水溶液と前記海水とが混合された溶液を電気分解するために、前記電解装置を動作させるステップと、Operating the electrolyzer to electrolyze a solution in which the wastewater, the sodium chloride aqueous solution and the seawater are mixed in the electrolytic cell;
前記残留塩素濃度を測定するために、前記残留塩素測定装置を動作させるステップと、Operating the residual chlorine measuring device to measure the residual chlorine concentration;
前記電解溶液の水位を測定するために、前記電解槽水位測定装置を動作させるステップと、Operating the electrolyzer water level measuring device to measure the water level of the electrolytic solution;
前記電解槽から電解溶液を排出させるために、前記電解溶液処理ポンプ及び前記電解槽排水バルブを動作させるステップとを、Operating the electrolytic solution treatment pump and the electrolytic cell drain valve to drain the electrolytic solution from the electrolytic cell;
前記電解制御装置に実行させるプログラム。A program to be executed by the electrolytic control apparatus. 請求項１１に記載のプログラムを、前記電解制御装置で読み取り可能な状態に格納した記憶媒体。 Storage medium a program description, stored in the readable state in the electrolysis control apparatus in claim 11.
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