JPH11207346A - Water treating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure a santitary water quality and the quantity of the water by improving the contact frequency of microorganism in a water to be treated with an electrode and to facilitate the maintenance by preventing the clogging of the electrode in a water treating device. SOLUTION: A pair or plural pairs of electrode plates of a water treating element are provided inside a water treating vessel 1 having a flow-in port 12 and a flow-out port 13 for the water to be treated. The electrode plates 21, 22 make a pair and the electrode plates 31, 32 make a pair. Each one 22, 32 of the electrode plates of a pair has a central passing hole 20 for passing the water to be treated at the center, does not secure a flow passage of the water to be treated at the outer periphery and each of another 21, 31 has not a center flow hole and secures flow passage R1, R2 for passing the water to be treated at the outer periphery. The flow-in port 12, the flow-out port 13 are arranged on the axial line running the center of the electrode plate. A dielectric plate having a center flow passage or an outer peripheral flow passage can be interposed between a pair of the electrode plates.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、水の中に存在する
細菌等の微生物を電気化学的に死滅させる水処理装置に
関する。The present invention relates to a water treatment apparatus for electrochemically killing microorganisms such as bacteria existing in water.

【０００２】[0002]

【従来の技術】従来より、水処理槽に被処理水を導入
し、電気化学的な処理により被処理水中の細菌，かび等
の微生物を死滅させる技術が知られている。この水処理
装置は、水処理槽内に対の電極を配置するもので、細菌
等の微生物の生細胞が電極（陽極）に接触すると、細胞
と電極間で電子移動反応が生じ、細胞内補酵素の酸化還
元反応が起こり、細胞の活性が低下することで微生物が
死滅するものと考えられている。2. Description of the Related Art Conventionally, there has been known a technique in which water to be treated is introduced into a water treatment tank, and microorganisms such as bacteria and fungi in the water to be treated are killed by electrochemical treatment. In this water treatment apparatus, a pair of electrodes is arranged in a water treatment tank. When live cells of microorganisms such as bacteria come into contact with the electrode (anode), an electron transfer reaction occurs between the cell and the electrode, and intracellular complementation occurs. It is considered that microorganisms are killed by a reduction in cell activity caused by an enzyme redox reaction.

【０００３】例えば特開平５−２３７４７９号公報に
は、被処理水の入った容器に一対の電極を浸漬し、電圧
（直流電圧或いは交流電圧）を印加することにより、被
処理水の微生物（レジオネラル菌）を殺菌する方法が提
案されている。For example, Japanese Patent Application Laid-Open No. Hei 5-237479 discloses that a pair of electrodes is immersed in a container containing water to be treated, and a voltage (DC voltage or AC voltage) is applied to the microorganisms (Legionella). A method of disinfecting the bacteria is proposed.

【０００４】特開平４−１６２８３号公報には、被処理
水の流入口と流出口を有する筒形容器の内部に、多孔
質，粒状の集合体等で構成される通水性を有する誘電板
（固定床）を収容し、誘電板両端には一対の平板電極を
配置して固定床型三次元電極電解槽を構成し、上記電極
に直流電圧或いは１０ヘルツ以下の交流電圧を印加する
ことで、誘電板に陽極，陰極の分極作用を生じさせ、こ
の電極及び誘電板に被処理水を流通させることで、被処
理水中の微生物を死滅させる技術が提案されている。Japanese Patent Application Laid-Open No. HEI 4-16283 discloses a water-permeable dielectric plate composed of a porous, granular aggregate or the like inside a cylindrical container having an inlet and an outlet for water to be treated. (Fixed bed) is accommodated, and a pair of flat plate electrodes are arranged at both ends of the dielectric plate to form a fixed bed type three-dimensional electrode electrolytic cell. By applying a DC voltage or an AC voltage of 10 Hz or less to the electrodes, A technique has been proposed in which a polarization effect of an anode and a cathode is caused on a dielectric plate, and the water to be treated is caused to flow through the electrode and the dielectric plate to kill microorganisms in the water to be treated.

【０００５】特開平６−８６９８３号公報には、多数の
平板電極を対向させた隙間に、電極面に平行に且つ一方
向に処理液（被処理水）を通して、水溶液中微生物を電
気化学的に殺菌する技術が提案されている。[0005] Japanese Patent Application Laid-Open No. 6-86983 discloses that a treatment liquid (water to be treated) is passed through a gap in which a large number of flat electrodes are opposed to each other in a direction parallel to the electrode surface and in one direction to electrochemically remove microorganisms in the aqueous solution. Sterilization techniques have been proposed.

【０００６】[0006]

【発明が解決しようとする課題】上記したように従来の
この種の水処理方式には、被処理水中に電極を浸漬する
方式や通水性を有する電極や誘電板に被処理水を流通さ
せる方式等が提案されている。しかしながら、電極を単
に被処理水中に浸漬させるだけでは、その電極近辺の水
だけが電極に接触するだけであるので、電極と微生物と
の接触頻度が著しく低く、そのため殺菌効率が低く殺菌
効果が十分に発揮されない。As described above, conventional water treatment systems of this type include a system in which an electrode is immersed in the water to be treated and a system in which the water is passed through an electrode having water permeability or a dielectric plate. Etc. have been proposed. However, simply immersing the electrode in the water to be treated only contacts the electrode with water in the vicinity of the electrode, so that the frequency of contact between the electrode and microorganisms is extremely low, so that the sterilization efficiency is low and the sterilization effect is sufficient. Is not exhibited.

【０００７】一方、上記のように３次元電極電解槽を構
成する誘電板を多孔質，微細な粒の集合体で構成した
り、電極を多孔質にして被処理水を通水させる方式は、
殺菌効率を高める反面、時間の経過と共に被処理水に含
まれる不純物が３次元電極に付着し、その結果、不純物
が３次元電極の微細な孔を塞ぎ、目詰まりを起こす。こ
の目詰まりは、被処理水の流量を低下させ、被処理水の
微生物の殺菌効果を低下させる原因となるので、３次元
電極電解槽のメンテナンスや交換等で対処する必要があ
るが、メンテナンス，部品交換の負担が大きくなる。On the other hand, as described above, a method of forming a dielectric plate constituting a three-dimensional electrode electrolytic cell from an aggregate of porous and fine particles or making an electrode porous and allowing water to be treated to flow therethrough is as follows.
While improving the sterilization efficiency, impurities contained in the water to be treated adhere to the three-dimensional electrode with the passage of time, and as a result, the impurities block fine pores of the three-dimensional electrode and cause clogging. This clogging causes a decrease in the flow rate of the water to be treated and a decrease in the bactericidal effect of the microorganisms in the water to be treated. Therefore, it is necessary to take measures such as maintenance and replacement of the three-dimensional electrode electrolytic cell. The burden of replacing parts increases.

【０００８】また、平板電極を対向させた隙間に一方向
から被処理水を通水させる方式は、上記のような電極の
めづまりがないが、水処理槽を一回あたり通過させた時
（ワンパス）の被処理水の殺菌効果（被処理水中の微生
物の死滅効果）を向上させるためには、電極板を長くし
て被処理水の電極接触面積を確保しなければならず、特
に一方向のワンパス方式の場合には、電極板を長くする
と装置が大形化する傾向がある。Further, in the method in which the water to be treated is passed from one direction to the gap in which the flat electrodes are opposed to each other, the electrode is not clogged as described above. In order to improve the sterilizing effect of the water to be treated (the effect of killing microorganisms in the water to be treated), the electrode plate must be lengthened to secure an electrode contact area with the water to be treated, particularly in one direction. In the case of the one-pass system, the length of the electrode plate tends to increase the size of the device.

【０００９】本発明は以上の点に鑑みてなされ、その目
的は、水処理装置のコンパクト化を図りながらも、被処
理水ひいては被処理水中の微生物との電極接触頻度（微
生物に死滅効果）を向上させ、また、電極の目詰まりを
防止することのできる水処理装置を提供することにあ
る。The present invention has been made in view of the above points, and an object of the present invention is to reduce the frequency of electrode contact (the effect of killing microorganisms) with the microorganisms in the water to be treated and the water to be treated while reducing the size of the water treatment apparatus. It is an object of the present invention to provide a water treatment apparatus capable of improving and preventing electrode clogging.

【００１０】[0010]

【課題を解決するための手段】本発明は基本的には、次
のように構成する。The present invention is basically configured as follows.

【００１１】（１）一つは、水処理装置において、図１
に示すように、被処理水の流入口，流出口を有する水処
理槽の内部に、水処理のエレメントとして用いる一対又
は複数対の電極板が対向配置され、且つ、この水処理槽
の内部には、電極板表面に沿って被処理水を流す水路が
設けてあり、この水路は、電極板の一面では電極板中央
から電極板外周に向かって被処理水を流す水路部と、電
極板の他面では電極板外周から電極板中央に向かって被
処理水を流す水路部とを備えて、これらの水路部が通じ
る反転形の水路構造を成していることを特徴とする（請
求項１対応）。(1) One is a water treatment apparatus, as shown in FIG.
As shown in (1), one or more pairs of electrode plates used as elements for water treatment are arranged facing each other inside a water treatment tank having an inlet and an outlet for water to be treated, and inside the water treatment tank. Is provided with a water passage for flowing the water to be treated along the surface of the electrode plate, and the water passage, on one surface of the electrode plate, a water passage portion for flowing the water to be treated from the center of the electrode plate toward the outer periphery of the electrode plate, On the other surface, there is provided a water passage portion for flowing the water to be treated from the outer periphery of the electrode plate toward the center of the electrode plate, thereby forming an inverted water passage structure through which these water passage portions communicate. Correspondence).

【００１２】このような、具体的態様としては、次のよ
うな水処理装置を提案する。例えば、図１に示すよう
に、被処理水の流入口，流出口を有する水処理槽の内部
に、水処理のエレメントとして用いる電極板が一対又は
複数対，設けられ、前記対の電極板の一方は、電極板中
央に被処理水を流通させるための中央流通孔を有し電極
板外周には被処理水の流通路を確保しておらず、他方
は、前記中央流通孔を有さず電極板外周に被処理水を通
す流通路を確保して、これらの電極板同士が前記水処理
槽内で対向配置され、前記流入口，流出口が前記電極板
の中央を通る軸線上に配置されていることを特徴とする
（請求項３対応）。As a specific embodiment, the following water treatment apparatus is proposed. For example, as shown in FIG. 1, one or more pairs of electrode plates used as elements for water treatment are provided inside a water treatment tank having an inlet and an outlet for water to be treated. One has a central circulation hole for flowing the water to be treated at the center of the electrode plate and does not secure a flow passage of the water to be treated around the electrode plate, and the other does not have the central circulation hole. A flow path for passing the water to be treated is secured around the outer periphery of the electrode plate, these electrode plates are arranged opposite to each other in the water treatment tank, and the inlet and the outlet are arranged on an axis passing through the center of the electrode plate. (Corresponding to claim 3).

【００１３】図１では、一例として２対の電極板を配置
したものであるが、電極板の対数は任意であり、限定さ
れるものでない。上記構成によれば、流入口より水処理
槽内に導かれた被処理水は、例えば、図１の矢印に示す
ように、第１番目の電極板では流入口より電極板の中央
に向い、その後、この第１番目の電極板と水処理槽一端
内壁（底部内壁）との間（水路部）を電極板表面に沿っ
て電極板中央から放射状に電極板外周に向かって流れ、
第１番目の電極板の外周に確保された流通路を通って、
今度は第１番目の電極板と第２番目の電極板（第１番目
と対をなす電極板）との間（水路部）を電極板の外周全
方位から中央に向かって流れ、第２番目の電極板に設け
た中央流通孔を通って、複数対の場合には、以後の電極
板でも上記同様の流れが繰り返された後（一対の場合に
は流出口に至る）、流出口を介して流出する。このよう
にして流出した被処理水は循環させて繰り返し水処理装
置に導くことが好ましい使用態様である。FIG. 1 shows an example in which two pairs of electrode plates are arranged, but the number of pairs of electrode plates is arbitrary and is not limited. According to the above configuration, the water to be treated guided into the water treatment tank from the inflow port is directed toward the center of the electrode plate from the inflow port in the first electrode plate, for example, as shown by an arrow in FIG. Thereafter, the water flows between the first electrode plate and the inner wall (bottom inner wall) at one end of the water treatment tank (water passage portion) from the center of the electrode plate toward the outer periphery of the electrode plate along the surface of the electrode plate,
Through the flow passage secured on the outer periphery of the first electrode plate,
This time, between the first electrode plate and the second electrode plate (the electrode plate forming a pair with the first electrode plate) (a channel portion), it flows from all directions of the outer periphery of the electrode plate toward the center, and the second In the case of a plurality of pairs, the same flow is repeated on the subsequent electrode plates (the pair of electrodes reaches the outlet), and then through the outlet. Outflow. It is a preferable mode of use that the water to be treated thus circulated is circulated and repeatedly introduced to the water treatment apparatus.

【００１４】上記の反転形水路構造によれば、被処理水
が電極板表面に沿って満遍なく流れ、しかも水処理槽内
の被処理水は電極板表面に沿ってその電極板一面上を流
れた後に電極板の他面側に反転して流れ、さらに別の電
極板の面に続いて流れていくので（換言すれば、電極板
と水処理槽の端部内壁の間や電極板間に形成される狭い
隙間を反転しながら流れていくので）、電極板間に隙間
を介在させたコンパクトな電極板積み重ね構造にして被
処理水の電極接触面積を一方向通路形式に比べて大幅に
増大させることができ、被処理水の電気化学的な殺菌効
率を向上させることができる。また、本発明によれば、
微細な多孔質の電極を使用せず、水を電極の中を通す従
来のものに較べて水路の幅を広くすることできるので、
電極の目づまりを防止する。According to the above inverted water channel structure, the water to be treated flows evenly along the surface of the electrode plate, and the water to be treated in the water treatment tank flows over the entire surface of the electrode plate along the surface of the electrode plate. Later, it flows in the opposite direction to the other side of the electrode plate and flows further to the surface of another electrode plate (in other words, it forms between the electrode plate and the inner wall of the end of the water treatment tank or between the electrode plates). The gaps between the electrode plates flow while reversing the narrow gaps), and the electrode contact area of the water to be treated is greatly increased as compared with the one-way passage type with a compact electrode plate stacking structure with gaps between the electrode plates. Thus, the efficiency of electrochemical sterilization of the water to be treated can be improved. According to the present invention,
Without using a fine porous electrode, the width of the water channel can be made wider than the conventional one that passes water through the electrode,
Prevents clogging of electrodes.

【００１５】なお、図１の電極板の極性を定期的に切り
替えてもよく、このようにすれば、被処理水中の不純物
に起因する電極表面上のスケール等の付着を防止でき
る。すなわち、水中のスケール（例えば炭酸カルシウム
等の不純物）は一方の極性の時に電気的吸着作用を受け
て電極に付着する。他の極性では、その付着したスケー
ルが剥離するために除去できる。Incidentally, the polarity of the electrode plate shown in FIG. 1 may be periodically switched, so that adhesion of scale or the like on the electrode surface due to impurities in the water to be treated can be prevented. That is, the scale in water (for example, impurities such as calcium carbonate) adheres to the electrode due to the electric adsorption when it has one polarity. At other polarities, the attached scale can be removed for detachment.

【００１６】また、図１では、一例として、流入口から
みて偶数番目の電極板が中央流通孔を有するもので、奇
数番目の電極板が外周流通路を有し陽極（＋電極）とし
たものを例示しているが、これとは逆に、偶数番目の電
極板が外周流通路を有し陽極（＋電極）とし、奇数番目
の電極板が陰極（−極）で中央流通孔を有するものとし
てもよい。In FIG. 1, as an example, the even-numbered electrode plates have a central flow hole as viewed from the inflow port, and the odd-numbered electrode plates have a peripheral flow passage and serve as an anode (+ electrode). On the contrary, the even-numbered electrode plate has an outer flow path and serves as an anode (+ electrode), and the odd-numbered electrode plate has a cathode (-electrode) and has a central flow hole. It may be.

【００１７】また、図１のような電極板配置構成におい
て、流入口からみて最終番目となる電極板が中央流通孔
を有する場合には、最終番目の電極板と流出口側の水処
理槽端部内壁との間（図１の符号Ａで示す箇所）には被
処理水が滞留する可能性があるが、殺菌効率の低下はほ
とんどなく支障がない。その理由は、滞留水が流速と反
比例するので、流速を適宜設定することで滞留度合いを
少なくし、また、電極切替頻度を増大させたりして対処
可能であり、また、Ａ部に到達するまでの菌体の激減等
の理由があげられる。In the electrode plate arrangement shown in FIG. 1, when the last electrode plate as viewed from the inlet has a central flow hole, the last electrode plate and the end of the water treatment tank on the outlet side. Although there is a possibility that the water to be treated may stay between the inner wall of the section (the location indicated by the reference symbol A in FIG. 1), the sterilization efficiency is hardly reduced and there is no problem. The reason is that since the retained water is inversely proportional to the flow velocity, the degree of residence can be reduced by appropriately setting the flow velocity, and it is possible to cope with it by increasing the electrode switching frequency, and until it reaches the part A. The reason for this is that the number of bacterial cells in the bacterium decreases sharply.

【００１８】さらに、他の具体的態様として、図３に示
すように、被処理水の流入口，流出口を有する水処理槽
の内部に、水処理のエレメントとして用いる電極板が一
対又は複数対，設けられ、前記電極板間にはこの電極板
間を仕切る仕切り板が介在し、前記水処理槽内の前記仕
切り板は、中央に被処理水を流通させるための中央流通
孔を有し外周には被処理水の流通路を確保しておらず、
前記電極板は前記中央流通孔を有さず外周に被処理水を
通す流通路を確保しており、前記流入口，流出口が前記
電極板の中央を通る軸線上に配置されている水処理装置
を提案する（請求項５対応）。Further, as another specific embodiment, as shown in FIG. 3, inside a water treatment tank having an inlet and an outlet for water to be treated, one or a plurality of electrode plates are used as elements for water treatment. , Provided between the electrode plates, a partition plate intervening between the electrode plates is interposed, and the partition plate in the water treatment tank has a central circulation hole for allowing the water to be treated to flow in the center. Does not have a passage for the water to be treated,
The electrode plate does not have the central circulation hole, but has a flow passage for passing the water to be treated on the outer periphery, and the inlet and the outlet are arranged on an axis passing through the center of the electrode plate. A device is proposed (corresponding to claim 5).

【００１９】本構成においても、図３の矢印に示すよう
に、電極板と仕切り板とで前記同様の反転形水路構造を
確保でき、コンパクトの電極板配置構造により被処理水
の電気化学的な殺菌作用を向上させると共に、電極の目
づまりを防止する。Also in this configuration, as shown by the arrow in FIG. 3, an inverted water channel structure similar to that described above can be secured by the electrode plate and the partition plate, and the electrochemical treatment of the water to be treated is achieved by the compact electrode plate arrangement structure. Improves the germicidal action and prevents clogging of the electrodes.

【００２０】（２）もう一つは、水処理装置として、前
記請求項１対応の発明の構成に加えて、図２に示すよう
に前記対の電極板の間に少なくとも一以上の誘電板が介
在し、前記水処理槽の内部には、前記電極板表面と合わ
せて前記誘電板の表面に沿って一連に被処理水を流す水
路が確保され、この水路は、誘電板の一面では誘電板中
央から誘電板外周に向かって被処理水を流す水路部と、
誘電板の他面では誘電板外周から誘電板中央に向かって
被処理水を流す水路部とを備えて、これらの水路部が通
じる反転形の水路構造を成しているものを提案する（請
求項２対応）。(2) The other is a water treatment apparatus in which at least one or more dielectric plates are interposed between the pair of electrode plates as shown in FIG. In the inside of the water treatment tank, a water passage for flowing the water to be treated in series along the surface of the dielectric plate is secured along with the surface of the electrode plate, and the water passage is formed on one surface of the dielectric plate from the center of the dielectric plate. A channel for flowing the water to be treated toward the outer periphery of the dielectric plate,
On the other surface of the dielectric plate, there is provided a water channel portion through which water to be treated flows from the outer periphery of the dielectric plate toward the center of the dielectric plate, and an inverted water channel structure through which these water channels are connected is proposed. Item 2).

【００２１】その具体的態様としては、図２に示すよう
に、被処理水の流入口，流出口を有する水処理槽の内部
に、水処理のエレメントとして用いる電極板が一対又は
複数対，設けられ、前記対の電極板間には前記電極板同
様に水処理のエレメントとして用いる誘電板が前記電極
板に対して間をおいて介在して、前記水処理槽内の前記
電極板と前記誘電板とが対向配置され、或いはこの電極
板・誘電板の対向配置に加えて前記誘電板が複数の場合
には誘電板同士が対向配置され、対向する前記電極板，
誘電板或いは誘電板同士の一方は、その一方の中央に被
処理水を流通させるための中央流通孔を有し外周には被
処理水の流通路を確保しておらず、他方は前記中央流通
孔を有さず外周に流通路を確保しており、前記流入口，
流出口が前記電極板，誘電板の中央を通る軸線上に配置
されていることを特徴とする水処理装置を提案する（請
求項４対応）。As a specific embodiment, as shown in FIG. 2, one or more pairs of electrode plates used as elements for water treatment are provided inside a water treatment tank having an inlet and an outlet for water to be treated. A dielectric plate used as an element for water treatment is interposed between the pair of electrode plates, similarly to the electrode plate, with a gap between the electrode plate and the electrode plate in the water treatment tank. In the case where a plurality of dielectric plates are provided in addition to the opposed arrangement of the electrode plate and the dielectric plate, the dielectric plates are arranged opposite to each other.
One of the dielectric plates or the dielectric plates has a central circulation hole at the center of one of the dielectric plates for allowing the water to be treated to flow therethrough, and does not have a flow passage for the water to be treated on the outer periphery. A flow passage is secured on the outer periphery without holes, and the inflow port,
A water treatment apparatus is proposed, wherein an outlet is disposed on an axis passing through the center of the electrode plate and the dielectric plate (corresponding to claim 4).

【００２２】本発明の具体的態様は、種々のものが考え
られるが、図２では一対の電極板（２枚の電極板）と３
枚の誘電板を用いたものを例示し、流入口からみて、中
央流通孔を有さない（換言すれば外周流通路を確保し
た）電極板と中央流通孔を有する誘電板とが対向し、次
いでこの中央流通孔を有する誘電板と中央流通孔を有さ
ない誘電板とが対向し、次いでこの中央流通孔を有さな
い誘電板と中央流通孔を有する誘電板が対向し、次いで
この中央流通孔を有する誘電板と中央流通孔を有さない
電極板とが対向する配置態様を示した。本発明は、要す
るに電極板及び誘電板をそれぞれエレメントしてとらえ
た場合、中央流通孔を有するエレメントと中央流通孔を
有さず外周流通路を有するエレメントとを対向配置させ
たものである。Various embodiments of the present invention are conceivable. FIG. 2 shows a pair of electrode plates (two electrode plates) and three electrode plates.
Illustrates one using two dielectric plates, viewed from the inlet, the electrode plate having no central flow hole (in other words, securing the outer peripheral flow path) and the dielectric plate having the central flow hole face each other, Next, the dielectric plate having the central flow hole and the dielectric plate having no central flow hole face each other, and then the dielectric plate having no central flow hole and the dielectric plate having the central flow hole face each other, and The arrangement mode in which the dielectric plate having the circulation hole and the electrode plate having no central circulation hole are opposed to each other is shown. In short, in the present invention, when the electrode plate and the dielectric plate are each considered as an element, the element having the central circulation hole and the element having no outer circulation passage without the central circulation hole are arranged to face each other.

【００２３】上記構成によれば、被処理水の水路の構造
としては、（１）で述べた発明と同様のものすなわち図
２の矢印に示す反転形水路構造が得られる。例えば、図
２の例では、流入口より水処理槽内に導かれた被処理水
は、第１番目の電極板では流入口より電極板の中央に向
い、その後、この第１番目の電極板と水処理槽一端内壁
（底部内壁）との間（水路部）を電極板表面に沿って電
極板中央から放射状に電極板外周に向かって流れ、第１
番目の電極板の外周に確保された流通路を通って、今度
は第１番目の電極板と第１誘電板との間（水路部）を電
極板の外周全方位から中央に向かって流れ、第１誘電板
に設けた中央流通孔を通り、次いで、第１・第２誘電板
間の水路部を誘電板中央から外周全方位に向かって流
れ、第２誘電板の外周に確保された流通路を通って、第
２・第３誘電板間の水路部を誘電板外周から中央に向か
って流れ、第３誘電板に設けた中央流通孔を通り、次い
で第３誘電板と最後の電極板との間（水路部）を電極板
中央から電極板外周に向かって流れ、電極板の外周に設
けた流通路を通って、電極板と流出口側の水処理槽端壁
の間を外周側から中央に向かって流れ、流出口を介して
流出する。このようにして流出した被処理水は循環させ
て繰り返し水処理装置に導くことが好ましい使用態様で
ある。According to the above configuration, the structure of the water channel of the water to be treated is the same as that of the invention described in (1), that is, the inverted water channel structure shown by the arrow in FIG. For example, in the example of FIG. 2, the water to be treated guided into the water treatment tank from the inflow port is directed toward the center of the electrode plate from the inflow port in the first electrode plate. And water flowing from the center of the electrode plate to the outer periphery of the electrode plate along the surface of the electrode plate along the surface of the electrode plate between the inner wall of the water treatment tank (the inner wall of the bottom) and
Through a flow passage secured on the outer periphery of the first electrode plate, the liquid flows between the first electrode plate and the first dielectric plate (water passage portion) from all directions of the outer periphery of the electrode plate toward the center, It passes through the central flow hole provided in the first dielectric plate, and then flows through the water passage between the first and second dielectric plates from the center of the dielectric plate in all directions around the outer periphery of the dielectric plate. Through the channel, flows from the outer periphery of the dielectric plate toward the center through the water passage between the second and third dielectric plates, passes through a central flow hole provided in the third dielectric plate, and then passes through the third dielectric plate and the last electrode plate. Flows from the center of the electrode plate toward the outer periphery of the electrode plate, passes through a flow passage provided in the outer periphery of the electrode plate, and passes between the electrode plate and the end wall of the water treatment tank on the outlet side on the outer peripheral side. Flows toward the center and exits through the outlet. It is a preferable mode of use that the water to be treated thus circulated is circulated and repeatedly introduced to the water treatment apparatus.

【００２４】本発明では、電極板の電圧印加により誘電
板に誘電分極が生じ、電極（陽極）と陽分極及び上記の
反転形の水路確保により、被処理水に対する電極と分極
の電気化学的な殺菌作用を向上させ、しかも、従来のよ
うに電極や分極の中を微細孔を介して通水させる構造で
はなく電極の目づまりを防止する。In the present invention, dielectric polarization occurs in the dielectric plate due to application of a voltage to the electrode plate, and the positive polarity of the electrode (anode) and the above-mentioned inversion-type water channel are secured, so that the electrode and the polarization with respect to the water to be treated are electrochemically polarized. The bactericidal action is improved, and the electrodes and the polarization are prevented from being clogged instead of the conventional structure in which water is passed through micropores.

【００２５】なお、前記誘電板は、数に限定するもので
はないが、奇数の誘電板を使用した場合には、図２に示
すように電極板には中央流通孔を設けなくともすみ、ま
た、図１のＡ部のような被処理水滞留域をなくすことが
できる利点がある。The number of the dielectric plates is not limited, but when an odd number of dielectric plates are used, it is not necessary to provide a central flow hole in the electrode plate as shown in FIG. There is an advantage that the stagnation area of the water to be treated as in the part A of FIG. 1 can be eliminated.

【００２６】なお、上記した水処理槽は円筒形、電極板
は円盤形であるのが最も好ましい態様である。In the most preferred embodiment, the water treatment tank is cylindrical and the electrode plate is disk-shaped.

【００２７】（３）もう一つの発明として、図１３に示
すように、被処理水の流入口，流出口を有する水処理槽
の内部に、水処理のエレメントとして用いる一対又は複
数対の電極板が対向配置され、且つ、この水処理槽の内
部には、電極板の一面では被処理水を電極板表面に沿っ
て一方向に流し、続いて電極板の他面では前記一方向と
は反対方向に被処理水を電極板表面に沿って流す流路反
転形の水路が形成されている水処理装置を提案する（請
求項８対応）。(3) As another invention, as shown in FIG. 13, one or more pairs of electrode plates used as a water treatment element are provided inside a water treatment tank having an inlet and an outlet for water to be treated. Are disposed facing each other, and inside the water treatment tank, on one surface of the electrode plate, water to be treated flows in one direction along the surface of the electrode plate, and then on the other surface of the electrode plate, the water is opposite to the one direction. The present invention proposes a water treatment apparatus in which a water passage of a channel reversal type in which water to be treated flows along a surface of an electrode plate in a direction is formed.

【００２８】さらに、上記請求項８対応構成に加えて、
図１４に示すように電極板間に少なくとも一以上の誘電
板が介在し、この誘電板にも、誘電板の一面では被処理
水を誘電板表面に沿って一方向に流し、続いて誘電板の
他面では前記一方向とは反対方向に被処理水を誘電板表
面に沿って流す流路反転形の水路が確保されている水処
理装置を提案する（請求項９対応）。Further, in addition to the above configuration,
As shown in FIG. 14, at least one or more dielectric plates are interposed between the electrode plates, and the water to be treated flows in one direction along the surface of the dielectric plate on one surface of the dielectric plate. On the other side, the present invention proposes a water treatment apparatus in which a flow-reversing-type water passage for flowing the water to be treated along the surface of the dielectric plate in a direction opposite to the one direction is secured (corresponding to claim 9).

【００２９】この場合の水処理槽は、態様としては直方
体や立方体が考えられ、また、電極板は正方形，長方形
等の四角形のものが考えられる。そして、電極板と誘電
板を水処理槽内で交互に入れ違うように配置して、各電
極板，誘電板の一辺だけに、電極板・水処理槽底壁間の
水路、電極板・誘電板間の水路、誘電板間の水路、電極
板・水処理槽上壁間の水路を連絡する反転形の連絡路を
確保している。また、流入口，流出口は上電極板，誘電
板の一辺に沿った形状（水路の流れ方向に垂直な横幅と
ほぼ同等の横幅を有する形状）に開口させるのが好まし
い。The water treatment tank in this case may be a rectangular parallelepiped or a cube, and the electrode plate may be a square one such as a square or a rectangle. Then, the electrode plate and the dielectric plate are alternately placed in the water treatment tank so as to be alternately placed in the water treatment tank. Inverted connection paths are provided to connect the channels between the plates, the channels between the dielectric plates, and the channels between the electrode plates and the upper wall of the water treatment tank. Preferably, the inflow port and the outflow port are opened along one side of the upper electrode plate and the dielectric plate (having a width substantially equal to the width perpendicular to the flow direction of the water channel).

【００３０】図１３の例では、流入口から水処理槽に入
った被処理水は、第１番目の電極板と水処理槽底壁との
間では例えば右から左に流れ、第１番目の電極板と第２
の電極板では左から右に流れ、以下同様に流れの反転を
繰り返して最終的には流出口に至る。In the example of FIG. 13, the water to be treated that has entered the water treatment tank from the inflow port flows, for example, from right to left between the first electrode plate and the bottom wall of the water treatment tank. Electrode plate and second
Flows from left to right on the electrode plate, and thereafter, the flow is repeated in the same manner, and finally reaches the outlet.

【００３１】図１４の例では、流入口から水処理槽に入
った被処理水は、第１番目の電極板と水処理槽底壁との
間では例えば右から左に流れ、第１番目の電極板とその
次の誘電板との間では左から右に流れ、以下同様に流れ
の反転を繰り返して最終的には流出口に至る。In the example of FIG. 14, the water to be treated that has entered the water treatment tank from the inflow port flows, for example, from right to left between the first electrode plate and the bottom wall of the water treatment tank. The flow between the electrode plate and the next dielectric plate flows from left to right, and thereafter, the flow is repeated in the same manner and finally reaches the outlet.

【００３２】本構成においても、コンパクトな電極板積
み重ね構造或いは電極板・誘電板積み重ね構造にして被
処理水の電極接触面積を一方向通路形式に比べて大幅に
増大させることができ、被処理水の電気化学的な殺菌効
率を向上させることができる。また、本発明によれば、
微細な多孔質の電極を使用せず、水を電極の中を通す従
来のものに較べて水路の幅を広くすることできるので、
電極の目づまりを防止する。Also in this configuration, the electrode contact area of the water to be treated can be greatly increased as compared with the one-way passage type by using a compact electrode plate stacking structure or an electrode plate / dielectric plate stacking structure. Can improve the electrochemical sterilization efficiency. According to the present invention,
Without using a fine porous electrode, the width of the water channel can be made wider than the conventional one that passes water through the electrode,
Prevents clogging of electrodes.

【００３３】（４）もう一つの発明は、水処理装置の対
の電極板の一方に上記のような中央流通孔を設けること
で対の電極板同士の表面積に違いが生じた場合の対処の
仕方に関するものであり、この対の電極板の表面積の違
いを電極板の材質として電気抵抗の異なる材質を用いる
ことで補うようにした水処理装置を提案する（請求項１
０対応）。このように電極板同士の材質を変えることに
よっても、対の電極に印加電圧に依存した電荷を効率良
く供給して、水処理能力の改善を図ることができる。(4) Another invention is to cope with a case where the surface area of the pair of electrode plates is different by providing the above-mentioned central flow hole in one of the pair of electrode plates of the water treatment apparatus. The present invention proposes a water treatment apparatus that compensates for the difference in the surface area of the pair of electrode plates by using a material having a different electric resistance as the material of the electrode plates.
0). By changing the material of the electrode plates in this way, it is also possible to efficiently supply charges depending on the applied voltage to the pair of electrodes, and to improve the water treatment capacity.

【００３４】（５）もう一つの発明としては、水処理槽
の内部に少なくとも一対の電極板を有する水処理装置に
おいて、前記電極板の表面に表面積を増大させるための
表面形状加工が施されている水処理装置を提案する（請
求項１１対応）。これにより、電気化学的殺菌作用によ
る水処理能率を向上させることが可能になる。(5) As another invention, in a water treatment apparatus having at least a pair of electrode plates inside a water treatment tank, the surface of the electrode plate is subjected to surface shaping to increase the surface area. Proposed water treatment device (corresponding to claim 11). Thereby, it becomes possible to improve the water treatment efficiency by the electrochemical sterilization action.

【００３５】[0035]

【発明の実施の形態】以下、本発明に関する第１実施例
を、図４〜図７により説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment according to the present invention will be described below with reference to FIGS.

【００３６】まず、水処理装置の中枢である水処理槽１
の構成について図４から図６を用いて説明する。First, the water treatment tank 1 which is the center of the water treatment apparatus
Will be described with reference to FIGS. 4 to 6. FIG.

【００３７】図４は第１実施例に係る水処理槽内を示す
縦断面図、図５は水処理槽内で使用される電極支持体を
取り出して見た平面図、図６は水処理槽内で使用される
電極支持体のもう一つの態様を示す平面図である。FIG. 4 is a longitudinal sectional view showing the inside of the water treatment tank according to the first embodiment, FIG. 5 is a plan view showing the electrode support used in the water treatment tank, and FIG. 6 is a water treatment tank. FIG. 5 is a plan view showing another embodiment of the electrode support used in the device.

【００３８】図４に示す水処理槽１は、円筒形の容器１
０とその蓋１１より成り、竪型配置で、容器１０の底部
中央に被処理水の流入口１２が設けてあり、上蓋１１の
中央に流出口１３が設けてある。The water treatment tank 1 shown in FIG.
The container 10 has a vertical arrangement, and an inlet 12 for water to be treated is provided at the center of the bottom of the container 10, and an outlet 13 is provided at the center of the upper lid 11.

【００３９】水処理槽１の内部には、水処理のエレメン
トとして用いる電極板２１，２２，３１，３２が設けら
れ、電極板２１と２２が対をなし、電極板３１と３２が
対をなす。本例におけるこれら電極板は円盤形を呈する
ため、以下、円盤電極と称する。Inside the water treatment tank 1, electrode plates 21, 22, 31, and 32 used as elements for water treatment are provided. The electrode plates 21 and 22 form a pair, and the electrode plates 31 and 32 form a pair. . Since these electrode plates in this example have a disk shape, they are hereinafter referred to as disk electrodes.

【００４０】対の円盤電極のうち、一方の円盤電極２
２，３２は、電極板中央に被処理水を流通させるための
中央流通孔２０を有し電極板外周には被処理水の流通路
を確保していない。他方の電極２１，３１は、前記中央
流通孔２０を有さず電極板外周に被処理水を通す環状の
流通路Ｒ１，Ｒ２を確保し、中央流通孔２０を有する円
盤電極と中央流通孔を有さない円盤電極（外周流通路Ｒ
１或いはＲ２を有する円盤電極であって、以下、単に中
央流通孔を有さない円盤電極と称することもある）とが
水処理槽１内で対向配置される。本例では、上記の円盤
電極対向配置を、次のようにして得ている。流入口１２
（上流側から）からみて、中央流通孔を有さず外周流通
路Ｒ１を確保した円盤電極２１、中央流通孔２０を有す
る円盤電極２２、中央流通孔を有さず外周流通路Ｒ２を
確保した円盤電極３１、中央流通孔２０を有する円盤電
極３２の順に電極間に平行な隙間を確保して４段重ねの
電極配置構造としている。One of the paired disk electrodes 2
Nos. 2 and 32 have a central circulation hole 20 for flowing the water to be treated at the center of the electrode plate, and do not secure a flow passage of the water to be treated on the outer periphery of the electrode plate. The other electrodes 21 and 31 do not have the central circulation hole 20 but secure annular circulation passages R1 and R2 for passing the water to be treated around the electrode plate, and connect the disk electrode having the central circulation hole 20 with the central circulation hole. Disk electrode (outer flow path R
1 or a disc electrode having R2, which may be simply referred to as a disc electrode having no central flow hole) in the water treatment tank 1. In this example, the above-described arrangement of the disk electrodes facing each other is obtained as follows. Inlet 12
From the viewpoint (from the upstream side), a disk electrode 21 having a central circulation hole R1 without a central circulation hole, a disk electrode 22 having a central circulation hole 20 and a peripheral circulation passage R2 without a central circulation hole were secured. A disk electrode 31 and a disk electrode 32 having a central flow hole 20 are arranged in this order so that parallel gaps are secured between the electrodes to form a four-stage electrode arrangement structure.

【００４１】本例では、各円盤電極の直径を同じにして
ある。前記の段重ねの電極配置構造は、円盤電極を支持
する環状の電極支持体４及び５により実現される。中央
流通孔２０を有さない円盤電極２１と円盤電極３１とを
支持する各支持体４は、図５に示すように円盤電極外径
よりも例えば数ｍｍ（４〜１０ｍｍ程度）大きくした内
径を有し、この内径に周方向に適宜間隔で段付き電極支
持具４´が配設してある。円盤電極２１や円盤電極３１
の各外径と支持体４の内径との間に確保される環状の隙
間Ｒ１，Ｒ２（電極支持具４´間の隙間）が円盤電極２
１，３１の外周流通路となる。Ｒ１，Ｒ２のそれぞれの
隙間の幅は、例えば２〜５ｍｍ程度である。In this embodiment, the diameter of each disk electrode is the same. The above-mentioned stacked electrode arrangement structure is realized by annular electrode supports 4 and 5 that support a disk electrode. As shown in FIG. 5, each of the supports 4 supporting the disk electrode 21 and the disk electrode 31 without the central circulation hole 20 has an inner diameter that is larger than the outer diameter of the disk electrode by, for example, several mm (about 4 to 10 mm). A stepped electrode support 4 ′ is provided on the inside diameter at appropriate intervals in the circumferential direction. Disk electrode 21 and disk electrode 31
Annular gaps R1 and R2 (gap between the electrode supports 4 ') secured between the outer diameters of the electrodes 4 and the inner diameter of the support 4
The outer peripheral flow passages 1 and 31 are provided. The width of each gap between R1 and R2 is, for example, about 2 to 5 mm.

【００４２】また、環状支持体４の高さは円盤電極の高
さよりも数ｍｍ（例えば４〜１０ｍｍ）大きくしてあ
り、円盤電極２１や３１の上面と下面は上記支持体４の
上面，下面レベルとの間でそれぞれ２〜５ｍｍの寸法差
が生じて水路確保が可能なようにしてある。これらの寸
法はあくまでも一例をあげたもので、その数値に限定さ
れるものではなく、それ以外であってもよい。The height of the annular support 4 is several mm (for example, 4 to 10 mm) larger than the height of the disk electrode, and the upper and lower surfaces of the disk electrodes 21 and 31 are the upper and lower surfaces of the support 4. There is a dimensional difference of 2 to 5 mm between each level and the level, so that a waterway can be secured. These dimensions are merely examples, and are not limited to the numerical values, and may be other values.

【００４３】一方、中央流通孔２０を有さない円盤電極
２２と円盤電極３２を支持する各支持体５は、図６に示
すように円盤電極外径とほゞ同径の内径を有し、この内
径に内側にせりだす段部５′が形成してあり、円盤電極
２２，３２のそれぞれは支持体５の内周に密着して水封
された状態で段部５′に搭載されている。支持体５の高
さも円盤電極２２，３２の高さよりも数ｍｍ（例えば４
〜１０ｍｍ）大きくしてあり、円盤電極２２や３２の上
面と下面は上記支持体５の上面，下面レベルとの間でそ
れぞれ２〜５ｍｍの寸法差が生じて水路確保が可能なよ
うにしてある。On the other hand, as shown in FIG. 6, each of the supports 5 supporting the disk electrode 22 and the disk electrode 32 without the central flow hole 20 has an inner diameter substantially the same as the outer diameter of the disk electrode. A step portion 5 ′ is formed on the inside of the inner diameter of the support member 5, and each of the disk electrodes 22 and 32 is mounted on the step portion 5 ′ in a state of being water-sealed in close contact with the inner periphery of the support 5. . The height of the support 5 is also several mm (for example, 4 mm) higher than the height of the disk electrodes 22 and 32.
The upper and lower surfaces of the disk electrodes 22 and 32 have a dimensional difference of 2 to 5 mm between the upper surface and the lower surface of the support 5 so that a water channel can be secured. .

【００４４】水路部Ｇ１は円盤電極２１下面と水処理槽
１（容器１０）の底部との間に確保され、水路部Ｇ２は
円盤電極２１と２２の間に確保され、水路部Ｇ３は円盤
電極２２と３１との間に確保され、水路部Ｇ４は円盤電
極３１と３２の間に確保され、水路部Ｇ５は円盤電極３
２と上蓋１１との間に確保される。The channel G1 is secured between the lower surface of the disc electrode 21 and the bottom of the water treatment tank 1 (container 10), the channel G2 is secured between the disc electrodes 21 and 22, and the channel G3 is secured by the disc electrode. The channel G4 is secured between the disc electrodes 31 and 32, and the channel G5 is secured between the disc electrodes 31 and 32.
2 and the upper lid 11.

【００４５】容器１０は上部周縁にフランジ１０ａが形
成され、この位置で上蓋１１がねじ６の締め付けで容器
１０に取り付けられ、フランジ１０ａと上蓋１１との間
にパッキン７が介在している。The container 10 has a flange 10a formed on the upper peripheral edge. At this position, the upper lid 11 is attached to the container 10 by tightening the screw 6, and the packing 7 is interposed between the flange 10a and the upper lid 11.

【００４６】流入口１２及び流出口１３の内径ｄは、各
円盤電極２１，２２，３１，３２の外径Ｄより充分に小
さくしてあり、好ましくは、The inner diameter d of the inlet 12 and the outlet 13 is sufficiently smaller than the outer diameter D of each of the disk electrodes 21, 22, 31, 32, and preferably,

【００４７】[0047]

【数１】 (Equation 1)

【００４８】の関係にあればよく、例えばｄ＝１０〜２
０ｍｍ、Ｄ＝６０〜１５０ｍｍ程度に設定してある。円
盤電極２２，３２に設けた中央流通孔２０の直径ｄ´
は、上記のｄに対して、ｄ´≦ｄであり、また、水路Ｇ
１，Ｇ５の隙間幅ｈは、ｈ≦ｄ／４の関係にあると、全
体的にバランスのとれた円滑な流れの水路構造を確保す
ることができる。この流入口１２，流出口１３は、上記
した各円盤電極の中央を通る軸線上に配置されている。[0048] For example, d = 10 to 2
0 mm and D = about 60 to 150 mm. Diameter d ′ of central flow hole 20 provided in disk electrodes 22 and 32
Is d ′ ≦ d with respect to the above d, and the waterway G
When the gap width h between 1 and G5 satisfies the relationship of h ≦ d / 4, a well-balanced smooth flow channel structure can be secured as a whole. The inflow port 12 and the outflow port 13 are arranged on an axis passing through the center of each disk electrode.

【００４９】上記構成において、本例では対の円盤電極
の極性が定期的に切り替わる方式を採用し、例えば、現
時点において、円盤電極２１，３１が正の電圧印加によ
り陽極（＋極）、円盤電極２２，３２が負の電圧印加に
より陰極（−極）になっている場合について説明する。In the above configuration, the present embodiment employs a system in which the polarity of the pair of disk electrodes is periodically switched. For example, at this time, the disk electrodes 21 and 31 are turned to the anode (+ pole) and the disk electrode by a positive voltage application. The case where the cathodes 22 and 32 become cathodes (− poles) by applying a negative voltage will be described.

【００５０】被処理水は、流入口１２を通して水処理槽
１内に供給され、最初の円盤電極（陽極）２１では円盤
電極の中央に向い、その後、円盤電極２１と水処理槽一
端（底部）内壁との間（水路部Ｇ１）を円盤電極中央か
ら全方位の半径方向に散るように流れ、円盤電極２１の
外周に確保された流通路Ｒ１を通って、今度は円盤電極
２１と第２番目の円盤電極２２（陰極）との間の水路部
Ｇ２を円盤電極の外周全方位から中央に向かって流れ、
円盤電極２２に設けた中央流通孔２０を通って円盤電極
（陽極）３１に向い、その後、円盤電極２２と円盤電極
３１との間（水路部Ｇ３）を円盤電極中央から全方位の
半径方向に散るように流れ、円盤電極３１の外周に確保
された流通路Ｒ２を通って、今度は円盤電極３１と円盤
電極３２（陰極）との間の水路部Ｇ４を円盤電極の外周
全方位から中央に向かって流れ、円盤電極３２に設けた
中央流通孔２０を通って流出口１３に至る。各電極２
１，２２及び３１，３２は円盤形としたので、中央流通
孔２０から外周流通路Ｒ１やＲ２までの距離は全方位で
等長となり、したがって、水路部Ｇ１〜Ｇ５の水路抵抗
を円盤電極面で均一にすることができる。The water to be treated is supplied into the water treatment tank 1 through the inlet 12, and is directed toward the center of the disc electrode at the first disc electrode (anode) 21, and thereafter, the disc electrode 21 and one end (bottom) of the water treatment tank It flows between the inner wall (the water channel portion G1) and the radial direction of the omnidirectional direction from the center of the disc electrode, passes through the flow passage R1 secured on the outer periphery of the disc electrode 21, and then the disc electrode 21 and the second Flows through the water channel part G2 between the disk electrode 22 (cathode) and the outer periphery of the disk electrode from all directions to the center,
The disk electrode 22 faces the disk electrode (anode) 31 through the central flow hole 20 provided in the disk electrode 22, and then extends between the disk electrode 22 and the disk electrode 31 (the water channel portion G <b> 3) in all directions from the disk electrode center in the radial direction. The water flows so as to scatter and passes through a flow passage R2 secured on the outer periphery of the disk electrode 31. This time, a water channel portion G4 between the disk electrode 31 and the disk electrode 32 (cathode) is moved from all directions of the outer circumference of the disk electrode to the center. It flows toward the outlet 13 through the central flow hole 20 provided in the disk electrode 32. Each electrode 2
Since the first, second and 31, 32 are disk-shaped, the distance from the central flow hole 20 to the outer circumferential flow passages R1 and R2 is equal in all directions, so that the water resistance of the water channels G1 to G5 is reduced by the disk electrode surface. Can be made uniform.

【００５１】上記の水路部Ｇ１〜Ｇ５及び水流通孔２
０，外周流通路Ｒ１，Ｒ２によって、水処理槽１の内部
には、電極板表面に沿って被処理水を流す水路が確保さ
れ、この水路は、電極板の一面では電極板中央から電極
板外周に向かって被処理水を流す水路部と、電極板の他
面では電極板外周から電極板中央に向かって被処理水を
流す水路部とを備えて、これらの水路部が通じる反転形
の水路構造を成している。The above-mentioned water channels G1 to G5 and water flow holes 2
0, a water passage through which water to be treated flows along the surface of the electrode plate is secured inside the water treatment tank 1 by the outer peripheral flow passages R1 and R2. A water channel portion for flowing the water to be treated toward the outer periphery, and a water channel portion for flowing the water to be treated from the outer periphery of the electrode plate toward the center of the electrode plate on the other surface of the electrode plate. It has a canal structure.

【００５２】上記のような被処理水の流れ過程におい
て、陽極状態にある円盤電極２１，３１に被処理水が接
触し、被処理水中に含まれた微生物が円盤電極２１，３
１に接触すると、陽極酸化により微生物の賦活化あるい
は死滅が起こる。本例では、被処理水が陽極電極２１，
３１の複数段にわたって且つ各電極板の両面に反転しな
がら順番に接触するので、水処理槽全体を被処理水がワ
ンパスで通過させた場合の被処理水の電極接触面積を増
大させ、その結果、陽極酸化により被処理水中の微生物
の賦活化あるいは死滅を従来のワンパス方式に比べて著
しく進行させることができ、処理能力が向上する。な
お、水処理槽１を竪型配置とし、水処理槽１内の被処理
水の注入を下方に位置する流入口１２から行い、被処理
水の取り出しを上方に位置する流出口１３から行うこと
により、水処理槽１内のエア溜りを防止することができ
る。In the flow of the water to be treated as described above, the water to be treated comes into contact with the disc electrodes 21 and 31 in the anode state, and the microorganisms contained in the water to be treated are discarded.
Upon contact with 1, anodization causes activation or killing of the microorganism. In this example, the water to be treated is the anode electrode 21,
Since the contact is made sequentially over a plurality of stages of 31 and on both sides of each electrode plate while being inverted, the electrode contact area of the water to be treated is increased when the water to be treated passes through the entire water treatment tank in one pass, and as a result, In addition, the activation or killing of the microorganisms in the water to be treated can be remarkably advanced by anodic oxidation as compared with the conventional one-pass method, and the treatment capacity is improved. In addition, the water treatment tank 1 is arranged vertically, and the water to be treated in the water treatment tank 1 is injected from an inlet 12 located below, and the water to be treated is taken out from an outlet 13 located above. Thereby, air accumulation in the water treatment tank 1 can be prevented.

【００５３】被処理水は循環させて繰り返し水処理槽１
に導くことが好ましい使用態様であり、その全体の水処
理システムを図７に示す。The water to be treated is circulated and repeatedly treated.
Is a preferred mode of use, and the entire water treatment system is shown in FIG.

【００５４】図７において、被処理水は弁７１を介して
給水管７２を通り、タンク７３に貯えられる。タンク７
３に貯えられた被処理水は、ポンプ７５の駆動により給
水管７４を通り、流入口１２を介して前記した水処理槽
１に供給される。供給された被処理水は、既述したよう
に水処理槽１を通る過程で電極２１，２２及び３１，３
２の電気化学的作用により殺菌作用（微生物の死滅作
用）がなされる。この被処理水は、管路１３を通り、３
方切り替え弁７６を介して循環水路７７を通してタンク
７３に戻され貯えられる。In FIG. 7, the water to be treated passes through a water supply pipe 72 via a valve 71 and is stored in a tank 73. Tank 7
The water to be treated stored in 3 is supplied to the above-mentioned water treatment tank 1 through the inlet 12 through the water supply pipe 74 by the drive of the pump 75. The supplied water to be treated is supplied to the electrodes 21, 22 and 31, 3 in the course of passing through the water treatment tank 1 as described above.
A bactericidal action (killing of microorganisms) is performed by the electrochemical action of (2). This water to be treated passes through the pipe 13 and
It is returned to the tank 73 through the circulation water channel 77 via the one-way switching valve 76 and stored.

【００５５】このように被処理水はポンプ７５によりタ
ンク７３・水処理槽１間の循環を繰り返し行うことで、
所望の水質の用水（例えば飲料水）を得ることができ
る。処理後の衛生的な水は、必要に応じて３方切り替え
弁７６の切り替えにより水路７８を開いて外部に提供さ
れる。As described above, the water to be treated is repeatedly circulated between the tank 73 and the water treatment tank 1 by the pump 75,
It is possible to obtain water of desired quality (for example, drinking water). The sanitary water after the treatment is supplied to the outside by opening the water passage 78 by switching the three-way switching valve 76 as needed.

【００５６】なお、７９は、水処理槽１内の円盤電極２
１，２２及び３１，３２に電源を供給するための外部電
源装置であり、定期的に極性切替がなされるように設定
してある。Reference numeral 79 denotes a disk electrode 2 in the water treatment tank 1.
This is an external power supply for supplying power to 1, 22, 31 and 32, and is set so that the polarity is switched periodically.

【００５７】本実施例によれば、次のような効果を奏す
る。According to this embodiment, the following effects can be obtained.

【００５８】被処理水が円盤電極２１，２２及び３
１，３２に沿って満遍なく流れ、しかもコンパクトな電
極積み重ね構造にもかかわらず、電極間や、電極と水処
理槽の端部内壁との間に形成される狭い隙間Ｇ１〜Ｇ４
を反転形の水路に利用することで、被処理水が円盤電極
表面に沿って流れる過程で円盤電極と接触している時間
を充分に確保することができ、被処理水の電極接触頻度
を増大させて、被処理水の電気化学的な殺菌効率を向上
させることができる。The water to be treated is disc electrodes 21, 22, and 3
The narrow gaps G1 to G4 formed between the electrodes and between the electrodes and the inner wall of the end of the water treatment tank despite the electrodes flowing uniformly along the first and second 32 and the compact electrode stacking structure.
Can be used in the inverted water channel, so that the time for which the water to be treated is in contact with the disk electrode in the process of flowing along the surface of the disk electrode can be sufficiently ensured, and the frequency of electrode contact with the water to be treated is increased. Thus, the electrochemical sterilization efficiency of the water to be treated can be improved.

【００５９】なお、本例では、円盤電極３２と上蓋（水
処理槽端部内壁）１１との間Ｇ５には被処理水が滞留す
る可能性があるが、既述したように、この点について
は、滞留水は流速と反比例することから被処理水の流速
を適宜設定することや、電極切替頻度を増大させたりし
て対処可能であり、また、Ｇ５に到達するまでの菌体の
激減等の理由があげられる。In the present embodiment, there is a possibility that the water to be treated may stay in the gap G5 between the disk electrode 32 and the upper lid (the inner wall of the end of the water treatment tank). Since the retained water is inversely proportional to the flow velocity, it can be dealt with by appropriately setting the flow velocity of the water to be treated and by increasing the frequency of electrode switching. The reason is given.

【００６０】水処理能力は、電極と微生物の接触頻度に
よるために、電極表面積に正比例していることから、所
望の水質の処理水は、電極の枚数による制御でも可能で
ある。例えば、高純度の被処理水を得るならば電極枚数
を増やせば良い。また、電極間の距離も狭い方が、処理
効率が向上する。Since the water treatment capacity is directly proportional to the electrode surface area because it depends on the frequency of contact between the electrodes and the microorganisms, the treated water having a desired water quality can be controlled by the number of electrodes. For example, to obtain high-purity water to be treated, the number of electrodes may be increased. Also, the smaller the distance between the electrodes, the higher the processing efficiency.

【００６１】微細な多孔質の電極を使用せず、水を電
極の中を通す従来のものに較べて水路の幅を広くするこ
とできるので、電極の目づまりを防止する。Since the width of the water channel can be made wider than that of the conventional one in which water passes through the electrode without using a fine porous electrode, clogging of the electrode is prevented.

【００６２】円盤電極の極性を定期的に切り替えるこ
とで、被処理水中の不純物に起因する電極表面上のスケ
ール等の付着を防止できる。By periodically switching the polarity of the disk electrode, it is possible to prevent adhesion of scale and the like on the electrode surface due to impurities in the water to be treated.

【００６３】次に図８を用いて本発明に係る第２の実施
例を説明する。Next, a second embodiment according to the present invention will be described with reference to FIG.

【００６４】図８は、第２実施例に係る水処理槽１の縦
断面図を示す。FIG. 8 is a longitudinal sectional view of the water treatment tank 1 according to the second embodiment.

【００６５】本例は、第１実施例と基本的な構成は同一
であり、ここでは、第１実施例との異なる点だけを説明
する。This embodiment has the same basic configuration as that of the first embodiment, and only different points from the first embodiment will be described here.

【００６６】本例の各対の円盤電極は、中央流通孔２０
有する円盤電極２２，３２の方が中央流通孔を有さない
円盤電極２１，３１よりも外径寸法が大きくなるように
設定してあり、そのため電極支持体５の内径も図４の例
よりも大きくしている。Each pair of disk electrodes in this example is connected to the central flow hole 20.
The outer diameters of the disk electrodes 22 and 32 are set to be larger than those of the disk electrodes 21 and 31 having no central flow hole. Therefore, the inner diameter of the electrode support 5 is also larger than that of the example of FIG. I'm making it big.

【００６７】このように円盤電極２１，３１と２２，３
２との外径を異ならせたのは、円盤電極２２，３２には
中央流通孔２０が存在するためである。Thus, the disk electrodes 21, 31 and 22, 3
The reason why the outer diameter is different from that of 2 is that the disc electrodes 22 and 32 have the central flow hole 20.

【００６８】すなわち、本例では、円盤電極２２，３２
に設けた中央流通孔２０の開口面積２０ａが周面積２０
ｂより大きいため、円盤電極２２，３２の全体表面積が
減少している。そのため、円盤電極２２，３２と円盤電
極２１，３１との外径が同一であるならば、円盤電極２
２，３２は、円盤電極２１，３１と比べて、中央流通孔
２０の分だけ電極自身の表面積が小さくなってしまうの
で、電極表面積の減少を補うために、中央流通孔２０有
する円盤電極２２，３２の方を、中央流通孔を有さない
円盤電極２１，３１よりも外径寸法を大きくした。この
ように円盤電極２２，３２の外径を円盤電極２１，３１
に比べて若干大きくすることで、中央流通孔２０の分の
面積減少を補い、円盤電極２１，３２と円盤電極２２，
３２との電極表面積がほぼ等しくなる。陽極と陰極の電
極面積が異なり同材質の電極だと、電極の印加電圧に依
存した電荷の供給効率が低下するが、本例では、この問
題を解消する。That is, in this example, the disk electrodes 22 and 32
The opening area 20a of the central flow hole 20 provided in the
Since it is larger than b, the total surface area of the disk electrodes 22 and 32 is reduced. Therefore, if the outer diameters of the disk electrodes 22, 32 and the disk electrodes 21, 31 are the same, the disk electrode 2
Since the surface area of the electrodes 2 and 32 is smaller than that of the disk electrodes 21 and 31 by the amount of the central flow hole 20, the disk electrodes 22 and 32 having the central flow hole 20 are provided to compensate for the decrease in the electrode surface area. 32 has a larger outer diameter than the disk electrodes 21 and 31 having no central flow hole. Thus, the outer diameters of the disk electrodes 22 and 32 are
By making it slightly larger than that, the area reduction of the central flow hole 20 is compensated for, and the disc electrodes 21 and 32 and the disc electrodes 22 and
The electrode surface area is substantially equal to 32. If the electrodes of the anode and the cathode have different electrode areas and are made of the same material, the supply efficiency of electric charges depending on the voltage applied to the electrodes is reduced. In this example, this problem is solved.

【００６９】また、中央流通孔２０を有する円盤電極２
２，３２の外径は、場合によっては、円盤電極２１，３
１の外径よりも小さくする必要があることも考えられ
る。例えば、中央流通孔２０の外径が非常に小さい場合
は、中央流通孔２０の開口面積２０ａより周面積２０ｂ
の方が大きくなり、結果的に、円盤電極同士の外径寸法
を同一にした場合には、中央流通孔２０を有する円盤電
極の方が中央流通孔を有さない円盤電極よりも大きくな
ってしまうことも考えられ、この場合には、中央流通孔
を有する円盤電極の方の外径を中央流通孔を有さない外
径よりも若干小さくして電極面積同士の面積を実質同一
にする。The disk electrode 2 having the central flow hole 20
The outer diameters of the disc electrodes 21 and 3 may be
It is also conceivable that it is necessary to make the outer diameter smaller than the outer diameter. For example, when the outer diameter of the central flow hole 20 is very small, the peripheral area 20b is larger than the opening area 20a of the central flow hole 20.
Is larger, and consequently, when the outer diameters of the disc electrodes are the same, the disc electrode having the central flow hole 20 is larger than the disc electrode having no central flow hole. In this case, it is conceivable that in this case, the outer diameter of the disk electrode having the central through hole is slightly smaller than the outer diameter of the disk electrode without the central through hole, so that the electrode areas are substantially the same.

【００７０】本実施例によれば、中央流通孔２０を有す
る円盤電極２２，３２の外径を中央流通孔２０の存在を
考慮して決定することで、電極同士の表面積をほぼ等し
くなるようにしているので、対の電極に印加電圧に依存
した電荷を効率良く供給して、安定した水処理を行なう
ことができ、処理能力の向上にも結びつく。According to this embodiment, by determining the outer diameters of the disk electrodes 22 and 32 having the central circulation holes 20 in consideration of the existence of the central circulation holes 20, the surface areas of the electrodes are made substantially equal. As a result, electric charges depending on the applied voltage can be efficiently supplied to the pair of electrodes, and a stable water treatment can be performed, which leads to an improvement in treatment capacity.

【００７１】なお、中央流通孔２０に起因する対の円盤
電極表面積の違いを補償する手段としては、上記のよう
に電極同士の外径を変えるほかに、電極の材質として電
気抵抗の異なる材質を用いることで補うことも可能であ
る。例えば、中央流通孔２０の存在で円盤電極２２，３
２の表面積が、円盤電極２１，３１よりもわずかに小さ
くなっている場合には、円盤電極２２，３２の材質を円
盤電極２１，３１の材質よりも電気抵抗がわずかに低い
ものを採用する。これにより中央流通孔２０に起因する
対の円盤電極同士の表面積の差を補える。As means for compensating for the difference in the surface area of the pair of disc electrodes caused by the central flow hole 20, in addition to changing the outer diameter of the electrodes as described above, a material having a different electric resistance is used as the material of the electrodes. It can be supplemented by using it. For example, the presence of the central flow hole 20 allows the disk electrodes 22, 3
In the case where the surface area of 2 is slightly smaller than that of the disk electrodes 21 and 31, a material of the disk electrodes 22 and 32 having a slightly lower electrical resistance than the material of the disk electrodes 21 and 31 is adopted. Thereby, the difference in the surface area between the pair of disk electrodes caused by the central flow hole 20 can be compensated.

【００７２】なお、既述したように、中央流通孔２０の
外径が非常に小さい場合には、中央流通孔２０の開口面
積２０ａよりも周面積２０ｂの方が大きくなる場合もあ
り、この場合に、円盤電極同士の外径が同一寸法であれ
ば、中央流通孔を有する円盤電極の表面積が中央流通孔
を有さない円盤電極の表面積よりも大きくなることもあ
り得るが、このような場合には、中央流通孔を有さない
方の円盤電極の材質として、中央流通孔を有する円盤電
極の材質よりも電気抵抗の小さなものを用いる。このよ
うに円盤電極同士の材質を変えることによっても、対の
電極に印加電圧に依存した電荷を効率良く供給して、水
処理能力の改善を図ることができる。As described above, when the outer diameter of the central through hole 20 is very small, the peripheral area 20b may be larger than the opening area 20a of the central through hole 20. In this case, In addition, if the outer diameters of the disk electrodes are the same size, the surface area of the disk electrode having the central circulation hole may be larger than the surface area of the disk electrode having no central circulation hole. As the material of the disc electrode having no central flow hole, a material having lower electric resistance than the material of the disc electrode having the central flow hole is used. By changing the material of the disc electrodes in this way, it is possible to efficiently supply charges depending on the applied voltage to the pair of electrodes, and to improve the water treatment capacity.

【００７３】図９〜図１２に、上記実施例で述べた水処
理装置に使用する円盤電極の他の態様を示す。FIGS. 9 to 12 show another embodiment of the disk electrode used in the water treatment apparatus described in the above embodiment.

【００７４】図９〜図１２に示す円盤電極には、電極板
の表面に表面積を増大させるための表面形状加工が施さ
れている。The disk electrodes shown in FIGS. 9 to 12 are subjected to surface shaping to increase the surface area on the surface of the electrode plate.

【００７５】例えば、図９の例では、対の円盤電極４
１，４２の表面（上面および下面）を波打ち状に加工す
ることで、円盤電極の表面積を平板な円盤電極に比べて
増大させている。For example, in the example of FIG.
By processing the surfaces (upper and lower surfaces) of 1, 42 in a wavy shape, the surface area of the disk electrode is increased as compared with a flat disk electrode.

【００７６】図１０の例では、対の円盤電極５１，５２
の表面（上面および下面）をぎざぎざ面に加工すること
で、円盤電極の表面積を平板な円盤電極に比べて増大さ
せている。In the example of FIG. 10, a pair of disk electrodes 51, 52
By processing the surfaces (upper and lower surfaces) of the disk electrode into jagged surfaces, the surface area of the disk electrode is increased as compared with a flat disk electrode.

【００７７】図１１の例では、対の円盤電極６１，６２
の表面（上面および下面）を凹凸加工することで、円盤
電極の表面積を平板な円盤電極に比べて増大させてい
る。In the example of FIG. 11, a pair of disk electrodes 61, 62
The surface (upper surface and lower surface) of the disk electrode is made uneven, thereby increasing the surface area of the disk electrode as compared with a flat disk electrode.

【００７８】図１２の例では、円盤電極８１，８２を円
錐形でしかも表面を階段形状に加工することで、円盤電
極の表面積を平板な円盤電極に比べて増大させている。In the example shown in FIG. 12, the disk electrodes 81 and 82 are formed in a conical shape and the surface is processed in a step shape, so that the surface area of the disk electrodes is increased as compared with a flat disk electrode.

【００７９】このような表面加工を円盤電極に施すこと
で、被処理水中の微生物と円盤電極との接触頻度をより
一層向上させることができる。By applying such a surface treatment to the disk electrode, the frequency of contact between microorganisms in the water to be treated and the disk electrode can be further improved.

【００８０】上記の円盤電極４１，４２、５１，５２、
６１，６２、８１，８２の波打ち、ぎざぎざ、凹凸、階
段形状はその突起部や谷部や段差のサイズを細かくした
形状に形成することにより、さらに円盤電極表面積が飛
躍的に増大する。さらに、上記の円盤電極４１，４２や
５１，５２や６１，６２や８１，８２を使用することで
（組み合わせての使用することも含む）、円盤電極の表
面積の増大に加えて電極表面上において水流が乱流を発
生させるといった効果も加味されてくる。上記のように
複雑な電極形状により、電極自身の表面積増大や電極表
面上における水の流れが乱流になり、被処理水中の微生
物と電極との接触頻度向上となる。これにより処理能力
の向上となる。The above-mentioned disk electrodes 41, 42, 51, 52,
By forming the projections, valleys, and steps of the undulations, dents, irregularities, and steps of 61, 62, 81, and 82 into smaller shapes, the disk electrode surface area is further increased dramatically. Furthermore, by using the above-mentioned disk electrodes 41, 42, 51, 52, 61, 62, 81, and 82 (including the use in combination), in addition to increasing the surface area of the disk electrodes, The effect that the water flow generates turbulence is also taken into account. Due to the complicated electrode shape as described above, the surface area of the electrode itself and the flow of water on the electrode surface become turbulent, and the frequency of contact between microorganisms in the water to be treated and the electrode is improved. This leads to an improvement in processing capacity.

【００８１】また、乱流を起こさせることで電極表面に
水の薄い膜が発生することを抑え、電極表面上の水が常
に新しいものになり効率的な処理が可能となる。上記の
ことから、微生物と電極との接触頻度が向上し、そのた
めに殺菌効率と共に殺菌効果の向上が可能となる。Further, the generation of a thin film of water on the electrode surface is suppressed by causing the turbulent flow, and the water on the electrode surface is always fresh and efficient treatment is possible. From the above, the frequency of contact between the microorganism and the electrode is improved, and therefore, the sterilization efficiency and the sterilization effect can be improved.

【００８２】本発明は、水を処理することを対象として
いるが、水に限らず空気などの流体にも適用することが
可能であり、この場合には、図４、図８の装置に空気を
流すことが考えられる。Although the present invention is directed to treating water, the present invention can be applied not only to water but also to a fluid such as air. In this case, the apparatus shown in FIGS. It is possible to flow.

【００８３】また、図４や図８に示すような水処理槽１
に、対の電極板だけに代えて、図２に示すような対の電
極板と誘電板を内装したり、図３に示すような対の電極
板と仕切り板を内装することも可能である。Further, the water treatment tank 1 as shown in FIGS.
Instead of only the pair of electrode plates, a pair of electrode plates and a dielectric plate as shown in FIG. 2 may be provided, or a pair of electrode plates and a partition plate as shown in FIG. 3 may be provided. .

【００８４】さらに、図１３，図１４に示すように、水
処理槽の内部に、電極板の一面では被処理水を電極板表
面に沿って一方向に流し、続いて電極板の他面では前記
一方向とは反対方向に被処理水を流す流路反転形の水路
を形成したり、さらには、誘電板にも、誘電板の一面で
は被処理水を一方向に流し、続いて誘電板の他面では前
記一方向とは反対方向に被処理水を流す流路反転形の水
路を形成することも可能である。Further, as shown in FIGS. 13 and 14, the water to be treated flows in one direction along the surface of the electrode plate into one side of the electrode plate inside the water treatment tank. A water passage of a channel reversal type for flowing the water to be treated in the opposite direction to the one direction may be formed.Furthermore, the dielectric plate may also be configured such that the water to be treated flows in one direction on one surface of the dielectric plate, On the other side, it is also possible to form a channel with a channel reversal type in which the water to be treated flows in a direction opposite to the one direction.

【００８５】[0085]

【発明の効果】本発明によれば、水処理装置のコンパク
ト化を図りながらも、被処理水ひいては被処理水中の微
生物との電極接触頻度（微生物に死滅効果）を向上させ
ることができ、衛生的な水質およびその流量を効率良く
確保し、また、電極の目詰まりを防止することのでき
る。According to the present invention, it is possible to improve the frequency of electrode contact (the effect of killing microorganisms) with the microorganisms in the water to be treated and, consequently, the sanitation while reducing the size of the water treatment apparatus. Efficient water quality and its flow rate can be efficiently secured, and clogging of the electrode can be prevented.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の第１の発明の原理説明図。FIG. 1 is a diagram illustrating the principle of the first invention of the present invention.

【図２】本発明の第２の発明の原理説明図。FIG. 2 is a diagram illustrating the principle of the second invention of the present invention.

【図３】本発明の第３の発明の原理説明図。FIG. 3 is a diagram illustrating the principle of the third invention of the present invention.

【図４】本発明の第１実施例に係る水処理装置の縦断面
図。FIG. 4 is a longitudinal sectional view of the water treatment apparatus according to the first embodiment of the present invention.

【図５】上記第１実施例に用いる電極支持板の平面図。FIG. 5 is a plan view of an electrode support plate used in the first embodiment.

【図６】上記第１実施例に用いるもう一つの電極支持板
の平面図。FIG. 6 is a plan view of another electrode support plate used in the first embodiment.

【図７】本発明の第１の実施例に係る水処理装置のシス
テム系統図。FIG. 7 is a system diagram of the water treatment apparatus according to the first embodiment of the present invention.

【図８】本発明の第２の実施例に係る水処理装置の縦断
面図。FIG. 8 is a longitudinal sectional view of a water treatment apparatus according to a second embodiment of the present invention.

【図９】本発明の水処理装置に用いる円盤電極の別の使
用態様を示す縦断面図。FIG. 9 is a longitudinal sectional view showing another mode of use of the disk electrode used in the water treatment apparatus of the present invention.

【図１０】本発明の水処理装置に用いる円盤電極の別の
使用態様を示す縦断面図。FIG. 10 is a longitudinal sectional view showing another mode of use of the disk electrode used in the water treatment apparatus of the present invention.

【図１１】本発明の水処理装置に用いる円盤電極の別の
使用態様を示す縦断面図。FIG. 11 is a longitudinal sectional view showing another mode of use of the disk electrode used in the water treatment apparatus of the present invention.

【図１２】本発明の水処理装置に用いる円盤電極の別の
使用態様を示す縦断面図。FIG. 12 is a longitudinal sectional view showing another mode of use of the disk electrode used in the water treatment apparatus of the present invention.

【図１３】本発明の他の態様を示す原理説明図。FIG. 13 is a principle explanatory view showing another embodiment of the present invention.

【図１４】本発明の他の態様を示す原理説明図。FIG. 14 is a principle explanatory view showing another embodiment of the present invention.

【符号の説明】[Explanation of symbols]

１…水処理槽、４，５…電極支持板、１２…流入口、１
３…流出口、２０…中央流通孔、２１，２２，３１，３
２…円盤電極、Ｇ１〜Ｇ５…水路部、Ｒ１，Ｒ２…外周
流通路。DESCRIPTION OF SYMBOLS 1 ... Water treatment tank, 4, 5 ... Electrode support plate, 12 ... Inlet, 1
3 ... outlet, 20 ... central circulation hole, 21, 22, 31, 3
2: disk electrode, G1 to G5: water channel, R1, R2: outer peripheral flow path.

Claims (12)

【特許請求の範囲】[Claims] 【請求項１】 被処理水の流入口，流出口を有する水処
理槽の内部に、水処理のエレメントとして用いる一対又
は複数対の電極板が対向配置され、且つ、この水処理槽
の内部には、電極板表面に沿って被処理水を流す水路が
設けてあり、この水路は、電極板の一面では電極板中央
から電極板外周に向かって被処理水を流す水路部と、電
極板の他面では電極板外周から電極板中央に向かって被
処理水を流す水路部とを備えて、これらの水路部が通じ
る反転形の水路構造を成していることを特徴とする水処
理装置。1. A water treatment tank having an inlet and an outlet for water to be treated, a pair or a plurality of pairs of electrode plates used as elements for water treatment are arranged to face each other, and inside the water treatment tank. Is provided with a water passage for flowing the water to be treated along the surface of the electrode plate, and the water passage, on one surface of the electrode plate, a water passage portion for flowing the water to be treated from the center of the electrode plate toward the outer periphery of the electrode plate, A water treatment apparatus, comprising: a water passage portion on the other surface, through which water to be treated flows from the outer periphery of the electrode plate toward the center of the electrode plate, and has an inverted water passage structure through which the water passage portions communicate. 【請求項２】 前記対の電極板の間に少なくとも一以上
の誘電板が介在し、前記水処理槽の内部には、前記電極
板表面と合わせて前記誘電板の表面に沿って一連に被処
理水を流す水路が確保され、この水路は、誘電板の一面
では誘電板中央から誘電板外周に向かって被処理水を流
す水路部と、誘電板の他面では誘電板外周から誘電板中
央に向かって被処理水を流す水路部とを備えて、これら
の水路部が通じる反転形の水路構造を成している請求項
１記載の水処理装置。2. At least one or more dielectric plates are interposed between the pair of electrode plates, and the water to be treated is continuously arranged inside the water treatment tank along the surface of the dielectric plates together with the surface of the electrode plates. A channel for flowing water to be treated flows from the center of the dielectric plate toward the outer periphery of the dielectric plate on one surface of the dielectric plate, and a channel from the outer periphery of the dielectric plate to the center of the dielectric plate on the other surface of the dielectric plate. The water treatment apparatus according to claim 1, further comprising a water passage through which the water to be treated flows, and having an inverted water passage structure through which the water passages communicate. 【請求項３】 被処理水の流入口，流出口を有する水処
理槽の内部に、水処理のエレメントとして用いる電極板
が一対又は複数対，設けられ、 前記対の電極板の一方は、電極板中央に被処理水を流通
させるための中央流通孔を有し電極板外周には被処理水
の流通路を確保しておらず、他方は、前記中央流通孔を
有さず電極板外周に被処理水を通す流通路を確保して、
これらの電極板同士が前記水処理槽内で対向配置され、
前記流入口，流出口が前記電極板の中央を通る軸線上に
配置されていることを特徴とする水処理装置。3. A water treatment tank having an inlet and an outlet for water to be treated is provided with one or more pairs of electrode plates used as elements for water treatment, and one of the pair of electrode plates is provided with an electrode. The center of the plate has a central circulation hole for allowing the water to be treated to flow, and the outer periphery of the electrode plate does not have a flow passage for the water to be treated. Ensure a flow passage for the water to be treated,
These electrode plates are arranged facing each other in the water treatment tank,
A water treatment apparatus, wherein the inflow port and the outflow port are arranged on an axis passing through the center of the electrode plate. 【請求項４】 被処理水の流入口，流出口を有する水処
理槽の内部に、水処理のエレメントとして用いる電極板
が一対又は複数対，設けられ、前記対の電極板間には前
記電極板同様に水処理のエレメントとして用いる誘電板
が前記電極板に対して間をおいて介在して、前記水処理
槽内の前記電極板と前記誘電板とが対向配置され、或い
はこの電極板・誘電板の対向配置に加えて前記誘電板が
複数の場合には誘電板同士が対向配置され、 対向する前記電極板，誘電板或いは誘電板同士の一方
は、その一方の中央に被処理水を流通させるための中央
流通孔を有し外周には被処理水の流通路を確保しておら
ず、他方は前記中央流通孔を有さず外周に流通路を確保
しており、 前記流入口，流出口が前記電極板，誘電板の中央を通る
軸線上に配置されていることを特徴とする水処理装置。4. A water treatment tank having an inlet and an outlet for water to be treated is provided with one or more pairs of electrode plates used as water treatment elements, and the electrode plates are provided between the pair of electrode plates. Similarly to the plate, a dielectric plate used as an element for water treatment is interposed at a distance from the electrode plate, and the electrode plate and the dielectric plate in the water treatment tank are arranged to face each other, or In the case where there are a plurality of dielectric plates in addition to the opposed arrangement of the dielectric plates, the dielectric plates are arranged to be opposed to each other, and one of the opposed electrode plate, dielectric plate or dielectric plate is provided with the water to be treated at the center of one of them. A central flow hole for circulation is provided, and the flow path of the water to be treated is not secured on the outer periphery, and the other is provided with a flow path on the outer periphery without the central flow hole, The outlet is located on the axis passing through the center of the electrode plate and the dielectric plate. Water treatment device according to claim Rukoto. 【請求項５】 被処理水の流入口，流出口を有する水処
理槽の内部に、水処理のエレメントとして用いる電極板
が一対又は複数対，設けられ、前記電極板間にはこの電
極板間を仕切る仕切り板が介在し、 前記水処理槽内の前記仕切り板は、仕切り板中央に被処
理水を流通させるための中央流通孔を有し仕切り板外周
には被処理水の流通路を確保しておらず、前記電極板は
前記中央流通孔を有さず電極板外周に被処理水を通す流
通路を確保しており、前記流入口，流出口が前記電極板
の中央を通る軸線上に配置されていることを特徴とする
水処理装置。5. A water treatment tank having an inlet and an outlet for water to be treated is provided with one or more pairs of electrode plates used as elements for water treatment, and between said electrode plates, The partition plate in the water treatment tank has a central circulation hole for distributing the water to be treated in the center of the partition plate, and secures a flow passage of the water to be treated around the partition plate. The electrode plate does not have the central flow hole, but has a flow passage for passing the water to be treated around the electrode plate, and the inflow port and the outflow port are on an axis passing through the center of the electrode plate. A water treatment device, wherein the water treatment device is disposed in a water treatment device. 【請求項６】 前記電極板、誘電板、仕切り板は円盤形
である請求項１ないし請求項５のいずれか１項記載の水
処理装置。6. The water treatment apparatus according to claim 1, wherein the electrode plate, the dielectric plate, and the partition plate have a disk shape. 【請求項７】 前記水処理槽は、前記流入口が下、前記
流出口が上になるように竪型に設置される請求項１ない
し請求項６のいずれか１項記載の水処理装置。7. The water treatment apparatus according to claim 1, wherein the water treatment tank is installed vertically so that the inflow port is downward and the outflow port is upward. 【請求項８】 被処理水の流入口，流出口を有する水処
理槽の内部に、水処理のエレメントとして用いる一対又
は複数対の電極板が対向配置され、且つ、この水処理槽
の内部には、電極板の一面では被処理水を電極板表面に
沿って一方向に流し、続いて電極板の他面では前記一方
向とは反対方向に被処理水を電極板表面に沿って流す流
路反転形の水路が形成されていることを特徴とする水処
理装置。8. A water treatment tank having an inlet and an outlet for water to be treated, a pair or a plurality of pairs of electrode plates used as a water treatment element are opposed to each other, and the inside of the water treatment tank is provided. In one surface of the electrode plate, the water to be treated flows in one direction along the surface of the electrode plate, and then in the other surface of the electrode plate, the water to be treated flows in the direction opposite to the one direction along the surface of the electrode plate. A water treatment apparatus, wherein a water path of a road reversal type is formed. 【請求項９】 前記電極板間に少なくとも一以上の誘電
板が介在し、この誘電板にも、誘電板の一面では被処理
水を誘電板表面に沿って一方向に流し、続いて誘電板の
他面では前記一方向とは反対方向に被処理水を誘電板表
面に沿って流す流路反転形の水路が確保されている請求
項８記載の水処理装置。9. At least one or more dielectric plates are interposed between said electrode plates, and also on this dielectric plate, water to be treated flows in one direction along the surface of the dielectric plate on one surface of the dielectric plate. 9. The water treatment apparatus according to claim 8, wherein on the other surface, a water path of a channel reversal type in which water to be treated flows along the surface of the dielectric plate in a direction opposite to the one direction is secured. 【請求項１０】 水処理槽の内部に表面積の異なる少な
くとも一対の電極板を有する水処理装置において、この
対の電極板の表面積の違いを電極板の材質として電気抵
抗の異なる材質を用いることで補う構成としたことを特
徴とする水処理装置。10. In a water treatment apparatus having at least a pair of electrode plates having different surface areas inside a water treatment tank, a difference in surface area between the pair of electrode plates is determined by using materials having different electric resistances as materials of the electrode plates. A water treatment apparatus characterized by having a supplementary configuration. 【請求項１１】 水処理槽の内部に少なくとも一対の電
極板を有する水処理装置において、前記電極板の表面に
表面積を増大させるための表面形状加工が施されている
ことを特徴とする水処理装置。11. A water treatment apparatus having at least a pair of electrode plates inside a water treatment tank, wherein the surface of the electrode plates is subjected to surface shaping for increasing the surface area. apparatus. 【請求項１２】 前記一対或いは複数対の電極板は、定
期的に極性切替がなされるよう設定されている請求項１
ないし請求項１１のいずれか１項記載の水処理装置。12. The one or more pairs of electrode plates are set to periodically switch polarity.
The water treatment apparatus according to claim 11.