JP2000218269A - Electrolytic water generator - Google Patents
Electrolytic water generatorInfo
- Publication number
- JP2000218269A JP2000218269A JP11022611A JP2261199A JP2000218269A JP 2000218269 A JP2000218269 A JP 2000218269A JP 11022611 A JP11022611 A JP 11022611A JP 2261199 A JP2261199 A JP 2261199A JP 2000218269 A JP2000218269 A JP 2000218269A
- Authority
- JP
- Japan
- Prior art keywords
- water
- electrolytic
- wastewater
- storage tank
- electrolyzed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は電解水生成装置に関
し、特に、原水を軟水化処理した後に電解処理して電解
水を生成する電解水生成装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrolyzed water generating apparatus, and more particularly to an electrolyzed water generating apparatus for producing electrolyzed water by subjecting raw water to softening treatment and then electrolyzing.
【０００２】[0002]
【従来の技術】電解水生成装置の一形式として、陽イオ
ン交換樹脂（水道水等の原水に含まれているＣａ2+、Ｍ
ｇ2+、Ｆｅ2+、Ｆｅ3+等の金属イオンと食塩水に含まれ
ているＮａ+が可逆的に交換可能な樹脂）を収容する軟
水器にて原水を軟水化処理した後に電解槽にて電解処理
して電解水を生成するようにしたものがあり、例えば特
開平９−２２５４６５号公報に示されている。同公報に
示されている電解水生成装置においては、軟水器の再生
時に生じる排水（Ｃａ2+、Ｍｇ2+、Ｆｅ2+、Ｆｅ 3+等の
金属イオンを多量に含んだ水）を単に排出する構成が採
用されている。2. Description of the Related Art As one type of electrolyzed water generating apparatus, a positive electrode is used.
Exchange resin (Ca contained in raw water such as tap water)2+, M
g2+, Fe2+, Fe3+Etc. contained in metal ions and saline
Na+Is reversibly exchangeable resin)
Raw water softening treatment in a water tank and then electrolytic treatment in an electrolytic tank
To produce electrolyzed water by
This is disclosed in Japanese Unexamined Patent Publication No. 9-225465. In the gazette
In the shown electrolyzed water generator, regeneration of the water softener
Wastewater (Ca2+, Mg2+, Fe2+, Fe 3+Etc.
A configuration that simply discharges water containing a large amount of metal ions) is adopted.
Have been used.
【０００３】また、特開平７−９６４号公報には、電解
水生成装置による電解処理によって得られる電解水は、
例えばＯＨラジカル等の反応性の高いラジカルを含んで
いるため、細菌に対して殺菌効果が得られる、との記載
がある。[0003] Also, Japanese Patent Application Laid-Open No. 7-964 discloses that electrolyzed water obtained by electrolysis using an electrolyzed water generator is:
For example, it is described that a bactericidal effect can be obtained against bacteria because it contains highly reactive radicals such as OH radicals.
【０００４】[0004]
【発明が解決しようとする課題】ところで、上記した反
応性の高いラジカルは、例えばＦｅ2+と過酸化水素水の
フェントン反応（ラジカル反応）によっても生成するこ
とができるものの、特開平９−２２５４６５号公報に示
されている電解水生成装置においては、軟水器によって
Ｃａ2+、Ｍｇ2+、Ｆｅ2+、Ｆｅ3+等の金属イオンが除去
されているため、上記したフェントン反応が殆ど得られ
ない。なお、軟水器を無くして電解水生成装置を構成す
れば、上記したフェントン反応は得られるようになるも
のの、Ｃａ 2+、Ｍｇ2+、Ｆｅ2+、Ｆｅ3+等の金属イオン
が一般的に知られているように電解槽での電解処理を阻
害するため、電解槽での電解効率が低下する。By the way, the above-mentioned countermeasure is taken.
A highly reactive radical is, for example, Fe2+And aqueous hydrogen peroxide
It can also be formed by the Fenton reaction (radical reaction).
Although it can be described in Japanese Patent Application Laid-Open No. 9-225465,
In the electrolyzed water generator that is
Ca2+, Mg2+, Fe2+, Fe3+Removes metal ions such as
The Fenton reaction described above
Absent. It should be noted that an electrolyzed water generator is configured without a water softener.
Then, the Fenton reaction described above can be obtained.
Of Ca 2+, Mg2+, Fe2+, Fe3+Metal ions such as
Is generally known to prevent electrolytic treatment in electrolytic cells.
Therefore, the electrolysis efficiency in the electrolytic cell is reduced.
【０００５】[0005]
【課題を解決するための手段】本発明は、上記した問題
に対処すべくなされたものであり、陽イオン交換樹脂を
収容する軟水器にて原水を軟水化処理した後に電解槽に
て電解処理して電解水を生成するようにした電解水生成
装置において、前記軟水器の再生時に生じる排水を貯溜
する排水貯溜槽と、この排水貯溜槽内の排水を前記電解
水に混合供給する排水混合供給手段を設けたことに特徴
がある。この場合において、前記電解槽は有隔膜の電解
槽であっても無隔膜の電解槽であってもよく、有隔膜の
電解槽である場合には、同電解槽にて生成された酸性の
電解水に前記排水貯溜槽内の排水が排水混合供給手段に
よって供給されるようにするのが望ましい。SUMMARY OF THE INVENTION The present invention has been made to address the above-mentioned problems, and has been made to carry out electrolytic treatment in an electrolytic cell after softening raw water in a water softener containing a cation exchange resin. An electrolyzed water generating apparatus configured to generate electrolyzed water, wherein a drainage storage tank for storing wastewater generated during regeneration of the water softener, and a wastewater mixing supply for mixing the wastewater in the drainage storage tank with the electrolyzed water. The feature is that the means is provided. In this case, the electrolytic cell may be a diaphragm electrolytic cell or a non-diaphragm electrolytic cell. When the electrolytic cell is a diaphragm electrolytic cell, the acidic electrolytic cell generated in the electrolytic cell may be used. It is preferable that the wastewater in the wastewater storage tank is supplied to the water by a wastewater mixing and supplying means.
【０００６】[0006]
【発明の作用・効果】本発明による電解水生成装置にお
いては、軟水器にて原水を軟水化処理した後に電解槽に
て電解処理して電解水を生成するものであるため、電解
槽での電解処理前にＣａ2+、Ｍｇ2+、Ｆｅ2+、Ｆｅ3+等
の金属イオンは軟水器にて除去されており、これら金属
イオンが電解槽での電解処理を阻害することはなく、電
解槽での電解効率が低下することはない。In the apparatus for producing electrolyzed water according to the present invention, raw water is softened by a water softener and then electrolyzed in an electrolytic cell to generate electrolyzed water. Before the electrolytic treatment, metal ions such as Ca 2+ , Mg 2+ , Fe 2+ , and Fe 3+ are removed by a water softener, and these metal ions do not hinder the electrolytic treatment in the electrolytic cell. The electrolysis efficiency in the electrolyzer does not decrease.
【０００７】また、本発明による電解水生成装置におい
ては、軟水器の再生時に生じる排水が排水貯溜槽に貯え
られ、この排水貯溜槽内の排水が電解槽での電解処理に
よって生成された電解水に排水混合供給手段により混合
供給される。ところで、上記した排水中には、Ｃａ2+、
Ｍｇ2+、Ｆｅ2+、Ｆｅ3+等の金属イオンが多量に含まれ
ていて、同排水が電解水と混合することにより、例えば
Ｆｅイオンと過酸化水素水のフェントン反応（ラジカル
反応）が生じてＯＨラジカルが生成されるため、電解水
は例えばＯＨラジカル等の反応性の高いラジカルを多量
に含んだラジカルリッチ電解水となり、細菌に対して良
好な殺菌効果が得られる。In the electrolyzed water generating apparatus according to the present invention, wastewater generated during regeneration of the water softener is stored in the drainage storage tank, and the wastewater in the drainage storage tank is generated by the electrolytic treatment in the electrolytic tank. Are mixed and supplied by wastewater mixing and supply means. By the way, Ca 2+ ,
When a large amount of metal ions such as Mg 2+ , Fe 2+ , and Fe 3+ are contained, and the waste water is mixed with electrolyzed water, for example, the Fenton reaction (radical reaction) of Fe ions and hydrogen peroxide is performed. Since OH radicals are generated, the electrolyzed water becomes radical-rich electrolyzed water containing a large amount of highly reactive radicals such as, for example, OH radicals, and a good bactericidal effect on bacteria can be obtained.
【０００８】また、本発明による電解水生成装置におい
ては、軟水器の再生時に生じる排水を有効に利用してラ
ジカルリッチ電解水を生成するものであるため、ランニ
ングコストが安くて安価に実施することができる。Further, in the electrolyzed water generating apparatus according to the present invention, since the radical-rich electrolyzed water is generated by effectively utilizing the wastewater generated at the time of regeneration of the water softener, the running cost is low and the operation is inexpensive. Can be.
【０００９】[0009]
【発明の実施の形態】以下に、本発明の一実施形態を図
面に基づいて説明する。図１は本発明による電解水生成
装置を概略的に示していて、この電解水生成装置は、電
解槽１１と、飽和食塩水を貯溜する食塩水貯溜槽１２
と、原水を軟水化処理する陽イオン交換樹脂を収容した
軟水器（イオン交換槽）１３と、制御装置１４を備えて
おり、電解槽１１と食塩水貯溜槽１２とは第１供給管路
１５により接続され、食塩水貯溜槽１２と軟水器１３と
は第２供給管路１６により接続され、かつ軟水器１３と
水源（図示省略）とは第３供給管路１７により接続され
ている。また、この電解水生成装置は、排水貯溜槽２０
を備えていて、排水貯溜槽２０と後述する酸性水の流出
管路１１ｇとは排水混合供給手段２１により接続されて
いる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 schematically shows an electrolyzed water generation apparatus according to the present invention. The electrolyzed water generation apparatus includes an electrolysis tank 11 and a saline storage tank 12 for storing a saturated saline solution.
And a water softener (ion exchange tank) 13 containing a cation exchange resin for softening raw water, and a controller 14. The electrolytic tank 11 and the saline solution storage tank 12 are connected to a first supply line 15. The salt water storage tank 12 and the water softener 13 are connected by a second supply pipe 16, and the water softener 13 and a water source (not shown) are connected by a third supply pipe 17. In addition, this electrolyzed water generating apparatus is provided with a drainage storage tank 20.
The drainage storage tank 20 is connected to an acidic water outflow pipe 11g described later by a wastewater mixing / supplying means 21.
【００１０】電解槽１１は、槽本体１１ａの内部をイオ
ン透過能を有する隔膜１１ｂにて区画形成された一対の
隔室に区画形成されており、一方の隔室には陽極１１ｃ
が配設されて陽極室１１ｄが形成され、かつ他方の隔室
には陰極１１ｅが配設されて陰極室１１ｆが形成されて
いる。なお、陽極１１ｃおよび陰極１１ｅは直流電源１
８の正極および負極に接続されている。The electrolytic cell 11 is formed by partitioning the inside of a cell main body 11a into a pair of cells defined by a diaphragm 11b having ion permeability, and one of the cells has an anode 11c.
Are provided to form an anode chamber 11d, and a cathode 11e is provided in the other compartment to form a cathode chamber 11f. The anode 11c and the cathode 11e are connected to the DC power source 1
8 are connected to the positive and negative electrodes.
【００１１】電解槽１１と食塩水貯溜槽１２を接続する
第１供給管路１５は、主管路１５ａと、同主管路１５ａ
から分岐する一対の分岐管路１５ｂ，１５ｃを備えてい
る。主管路１５ａは、その上流端にて濃食塩水供給管路
１５ｈと軟水供給管路１５ｉが接続されていて、中間部
には塩濃度センサ１５ｊと流量センサ１５ｅが介装され
ている。濃食塩水供給管路１５ｈは、その上流端が食塩
水貯溜槽１２に接続されて食塩水貯溜槽１２の底部にて
開口し、かつ下流端が主管路１５ａの上流端に接続され
て開口していて、定量供給ポンプ１５ｋが介装されてい
る。軟水供給管路１５ｉは、その上流端が軟水供給管路
１６ａに接続されて開口し、かつ下流端が主管路１５ａ
の上流端に接続されて開口していて、電磁式常閉型の開
閉弁１５ｍが介装されている。また、軟水供給管路１６
ａの軟水供給管路１５ｉが接続される部位より下流には
電磁式常閉型の開閉弁１６ｅが介装されている。定量供
給ポンプ１５ｋは塩濃度センサ１５ｊの検出信号に基づ
いて制御装置１４によりフィードバック制御されるよう
になっていて、これによって第１供給管路１５の主管路
１５ａに所定濃度の希薄食塩水が供給されるようになっ
ている。また、食塩水貯溜槽１２に設けた水位センサ
（図示省略）と制御装置１４によって水源から食塩水貯
溜槽１２に至る部位に設けた各機器が制御されるように
なっていて、食塩水貯溜槽１２内に収容される飽和食塩
水の量（水位）が所定範囲に維持されるようになってい
る。A first supply line 15 connecting the electrolytic cell 11 and the saline solution storage tank 12 has a main line 15a and a main line 15a.
And a pair of branch conduits 15b and 15c branching from the outlet. The main line 15a is connected at its upstream end to a concentrated salt solution supply line 15h and a soft water supply line 15i, and has a salt concentration sensor 15j and a flow rate sensor 15e interposed at an intermediate portion. The concentrated saline solution supply line 15h has an upstream end connected to the saline solution storage tank 12 and opens at the bottom of the saline solution storage tank 12, and a downstream end connected to the upstream end of the main pipeline 15a and opens. And a fixed supply pump 15k is interposed. The soft water supply line 15i has an upstream end connected to the soft water supply line 16a to open, and a downstream end connected to the main line 15a.
Is connected to the upstream end and is open, and an electromagnetic normally-closed on-off valve 15m is interposed. Also, the soft water supply line 16
An electromagnetic normally-closed on-off valve 16e is interposed downstream of the portion where the soft water supply pipe 15i of FIG. The constant-rate supply pump 15k is feedback-controlled by the control device 14 based on the detection signal of the salt concentration sensor 15j, whereby a predetermined concentration of diluted saline is supplied to the main line 15a of the first supply line 15. It is supposed to be. In addition, a water level sensor (not shown) provided in the saline solution storage tank 12 and a controller 14 control each device provided in a portion from the water source to the saline solution storage tank 12. The amount (water level) of the saturated saline solution accommodated in 12 is maintained within a predetermined range.
【００１２】一方の分岐管路１５ｂは、その下流端が電
解槽１１の陽極室１１ｄに接続されて陽極室１１ｄの底
部にて開口し、かつ他方の分岐管路１５ｃは、その下流
端が電解槽１１の陰極室１１ｆに接続されて陰極室１１
ｆの底部にて開口している。各分岐管路１５ｂ，１５ｃ
には手動式の流量調整弁１５ｆ，１５ｇがそれぞれ介装
されている。なお、主管路１５ａに介装した流量センサ
１５ｅは、流量の異常を検出するために設けられてい
て、各流量調整弁１５ｆ，１５ｇの下流にそれぞれ設け
て実施することも可能である。One branch pipe 15b has a downstream end connected to the anode chamber 11d of the electrolytic cell 11 and opens at the bottom of the anode chamber 11d, and the other branch pipe 15c has a downstream end having the electrolytic end. The cathode chamber 11 is connected to the cathode chamber 11 f of the cell 11.
It is open at the bottom of f. Each branch pipe 15b, 15c
Are provided with manual flow control valves 15f and 15g, respectively. The flow sensor 15e provided in the main conduit 15a is provided for detecting an abnormality in the flow rate, and may be provided downstream of each of the flow control valves 15f and 15g.
【００１３】上記した構成により、所定濃度の希薄食塩
水が第１供給管路１５を介して電解槽１１の各電極室１
１ｄ，１１ｆに供給され、電解槽１１内にて有隔膜の電
解処理がなされ、陽極室１１ｄでは次亜塩素酸を主要成
分とする酸性水が生成され、かつ陰極室１１ｆでは水酸
化ナトリウムを主要成分とするアルカリ性水が生成され
る。生成された酸性水は流出管路１１ｇを介して外部へ
流出され、またアルカリ性水は流出管路１１ｈを介して
外部へ流出される。According to the above-described structure, the diluted saline solution having a predetermined concentration is supplied to each electrode chamber 1 of the electrolytic cell 11 through the first supply line 15.
1d and 11f, the diaphragm is subjected to electrolytic treatment in the electrolytic cell 11, acid water containing hypochlorous acid as a main component is generated in the anode chamber 11d, and sodium hydroxide is mainly supplied in the cathode chamber 11f. Alkaline water is generated as a component. The generated acidic water flows out to the outside through the outflow line 11g, and the alkaline water flows out to the outside through the outflow line 11h.
【００１４】食塩水貯溜槽１２と軟水器１３を接続する
第２供給管路１６は、軟水供給管路１６ａと、食塩水供
給管路１６ｂの２本の管路にて構成されている。軟水供
給管路１６ａおよび食塩水供給管路１６ｂは共に、食塩
水貯溜槽１２と軟水器１３とに接続されている。軟水供
給管路１６ａは、その上流端が軟水器１３の頂部にて開
口し、かつ下流端が食塩水貯溜槽１２における食塩水の
貯溜面より上方にて開口していて、網１２ａに入れた食
塩Ｓ上に軟水が供給されるようになっている。一方、食
塩水供給管路１６ｂは、その下流端が軟水器１３の頂部
にて開口し、かつ上流端が食塩水貯溜槽１２における食
塩水の貯溜面より下方にて開口している。食塩水供給管
路１６ｂには供給ポンプ１６ｃ（電磁式常閉型の開閉弁
で実施することも可能）が介装されている。The second supply line 16 connecting the salt solution storage tank 12 and the water softener 13 is composed of two lines, a soft water supply line 16a and a saline solution supply line 16b. Both the soft water supply line 16a and the saline solution supply line 16b are connected to the saline solution storage tank 12 and the water softener 13. The soft water supply line 16a has its upstream end opened at the top of the water softener 13 and its downstream end opened above the saline storage surface in the saline storage tank 12, and was put into the net 12a. Soft water is supplied on the salt S. On the other hand, the saline solution supply line 16 b has a downstream end opening at the top of the water softener 13 and an upstream end opening below the saline solution storage surface in the saline solution storage tank 12. The saline solution supply line 16b is provided with a supply pump 16c (which can also be implemented by an electromagnetic normally-closed on-off valve).
【００１５】軟水器１３は、ナトリウムイオン交換型の
陽イオン交換樹脂を収容した筒状のもので、上下両端部
は閉塞されていて、上端部には上記したごとく第２供給
管路１６を構成する軟水供給管路１６ａの上流端と、食
塩水供給管路１６ｂの下流端とが接続されている。ま
た、軟水器１３の底部には、水源に接続された第３供給
管路１７の下流端が接続されている。第３供給管路１７
は、原水供給管路１７ａと排出管路１７ｂとにより構成
されており、原水供給管路１７ａには供給ポンプ１７ｃ
（原水供給管路１７ａが水道管に接続される場合には、
電磁式常閉型の開閉弁で実施することも可能）が介装さ
れ、かつ排出管路１７ｂには手動式の開閉弁１７ｄおよ
び流量センサ１７ｅが介装されている。なお、流量セン
サ１７ｅは、排出管路１７ｂを通して排出される排出量
を検出するために設けられていて、この流量センサ１７
ｅを設けずに実施することも可能である。The water softener 13 is a cylindrical one containing a cation exchange resin of a sodium ion exchange type, and is closed at both upper and lower ends, and has the second supply line 16 at the upper end as described above. The upstream end of the soft water supply line 16a and the downstream end of the saline solution supply line 16b are connected. The downstream end of the third supply pipe 17 connected to the water source is connected to the bottom of the water softener 13. Third supply line 17
Is constituted by a raw water supply line 17a and a discharge line 17b, and a supply pump 17c is connected to the raw water supply line 17a.
(If the raw water supply line 17a is connected to a water pipe,
An electromagnetic type normally-closed on-off valve may be implemented), and a manual on-off valve 17d and a flow sensor 17e are interposed in the discharge line 17b. The flow sensor 17e is provided to detect the amount of discharge discharged through the discharge line 17b.
It is also possible to implement without providing e.
【００１６】第３供給管路１７においては、原水供給管
路１７ａと排出管路１７ｂの分岐部に三方切替弁１７ｆ
が介装されている。三方切替弁１７ｆは切替動作によ
り、原水の軟水器１３への供給を許容するとともに軟水
器１３からの水の排出を規制する機能と、原水の軟水器
１３への供給を規制するとともに軟水器１３からの水の
排出を許容する機能を有する。In the third supply line 17, a three-way switching valve 17f is connected to a branch of the raw water supply line 17a and the discharge line 17b.
Is interposed. The three-way switching valve 17f allows the supply of raw water to the water softener 13 and the function of regulating the discharge of water from the water softener 13 by the switching operation. Has the function of allowing the discharge of water from
【００１７】排水貯溜槽２０は、軟水器１３の再生時に
生じる排水（Ｃａ2+、Ｍｇ2+、Ｆｅ 2+、Ｆｅ3+等の金属
イオンが多量に含まれている水）を貯溜するものであ
り、排水管路１７ｂの下端開口に対応して配置されてい
る。排水混合供給手段２１は、排水供給管路２１ａと供
給ポンプ２１ｂによって構成されていて、排水供給管路
２１ａは、その上流端にて排水貯溜槽２０に接続されて
排水貯溜槽２０の底部にて開口し、その下流端にて酸性
水の排出管路１１ｇに接続されて開口している。供給ポ
ンプ２１ｂは、排水供給管路２１ａに介装されていて、
制御装置１４によって作動を制御されるようになってお
り、電解水の生成時に駆動されて排水貯溜槽２０内の排
水を排出管路１１ｇの酸性水に混合供給するようになっ
ている。The drainage storage tank 20 is used when the water softener 13 is regenerated.
The resulting wastewater (Ca2+, Mg2+, Fe 2+, Fe3+Etc. metal
Water that contains a large amount of ions).
And is disposed corresponding to the lower end opening of the drain pipe 17b.
You. The wastewater mixing / supplying means 21 is provided with the wastewater supply pipe 21a.
A drainage supply line constituted by a supply pump 21b
21a is connected to the drainage storage tank 20 at its upstream end.
Open at the bottom of the drainage storage tank 20 and acid at the downstream end
The opening is connected to the water discharge pipe 11g. Supply port
The pump 21b is interposed in the drainage supply pipe 21a,
The operation is controlled by the controller 14.
And is driven at the time of generation of the electrolyzed water, thereby
The water is mixed and supplied to the acidic water in the discharge line 11g.
ing.
【００１８】制御装置１４は、マイクロコンピュ−タお
よび各駆動回路を主要構成部品とするもので、各流量セ
ンサ１５ｅ，１７ｅ、塩濃度センサ１５ｊ、各開閉弁１
５ｍ，１６ｅ、各供給ポンプ１５ｋ，１６ｃ，１７ｃ，
２１ｂ、三方切替弁１７ｆ、および直流電源１８にそれ
ぞれ接続されている。制御装置１４は、各開閉弁１５
ｍ，１６ｅの開閉動作、各供給ポンプ１５ｋ，１６ｃ，
１７ｃ，２１ｂの駆動、三方切替弁１７ｆの切替動作、
および各電極１１ｃ，１１ｅに付与する電気量を制御し
て被電解水の電解運転を行うとともに、所定時間または
所定量の電解がなされた後に電解運転を停止すべく機能
する。また、制御装置１４は、電解運転停止後に供給ポ
ンプ１６ｃの駆動、および三方切替弁１７ｆの切替動作
を制御して、軟水器１３に収容されている陽イオン交換
樹脂の再生運転を行うとともに、所定時間または再生液
の排出量が所定量に達した後に再生運転を停止すべく機
能する。The control device 14 includes a microcomputer and each drive circuit as main components, and includes flow rate sensors 15e and 17e, a salt concentration sensor 15j, and an on-off valve 1 respectively.
5m, 16e, each supply pump 15k, 16c, 17c,
21b, the three-way switching valve 17f, and the DC power supply 18. The control device 14 controls each on-off valve 15
opening and closing operations of the supply pumps 15k, 16c,
Driving 17c, 21b, switching operation of three-way switching valve 17f,
In addition to controlling the amount of electricity applied to each of the electrodes 11c and 11e, the electrolysis operation of the water to be electrolyzed is performed, and the electrolysis operation is stopped for a predetermined time or after a predetermined amount of electrolysis is performed. In addition, the control device 14 controls the driving of the supply pump 16c and the switching operation of the three-way switching valve 17f after the electrolysis operation is stopped to perform the regeneration operation of the cation exchange resin contained in the water softener 13 and perform a predetermined operation. It functions to stop the regeneration operation after the time or the discharge amount of the regeneration liquid reaches a predetermined amount.
【００１９】このように構成した電解水生成装置におい
ては、第１供給管路１５にて被電解水に使用する所定濃
度の希薄食塩水が調製され、この希薄食塩水が電解槽１
１に供給されて電解処理される。この場合、希薄食塩水
の調製用の原水は、供給ポンプ１７ｃにより三方切替弁
１７ｆを通して軟水器１３に供給され、軟水器１３にて
軟水化されて軟水供給管路１６ａと開閉弁１５ｍと軟水
供給管路１５ｉを通して主管路１５ａに至り、希薄食塩
水の調製用の軟水として使用される。また、希薄食塩水
の調製用の濃塩水は、濃塩水貯溜槽１２から定量供給ポ
ンプ１５ｋによって濃塩水供給管路１５ｈを通して主管
路１５ａに至り、上記軟水と混合される。なお、食塩水
貯溜槽１２には、開閉弁１６ｅと軟水供給管路１６ａを
通して軟水器１３にて軟水化処理された軟水が供給され
る。In the electrolyzed water generating apparatus configured as described above, a diluted saline solution having a predetermined concentration to be used as the water to be electrolyzed is prepared in the first supply line 15, and the diluted saline solution is supplied to the electrolytic cell 1.
1 and subjected to electrolytic treatment. In this case, the raw water for preparing the diluted saline solution is supplied to the water softener 13 through the three-way switching valve 17f by the supply pump 17c, is softened by the water softener 13, and is supplied to the soft water supply line 16a, the on-off valve 15m, and the soft water supply. It reaches the main line 15a through the line 15i and is used as soft water for preparing a diluted saline solution. The concentrated salt water for preparing the diluted salt solution reaches the main line 15a from the concentrated salt water storage tank 12 through the concentrated salt water supply line 15h by the constant-rate supply pump 15k, and is mixed with the soft water. It should be noted that the salt water storage tank 12 is supplied with soft water that has been softened by the water softener 13 through an on-off valve 16e and a soft water supply line 16a.
【００２０】第１供給管路１５の主管路１５ａにて調製
された希薄食塩水は、各分岐管路１５ｂ，１５ｃと各流
量調整弁１５ｆ，１５ｇを通して電解槽１１の陽極室１
１ｄおよび陰極室１１ｆに供給される。電解槽１１では
有隔膜の電解処理が行われ、陽極室１１ｄでは酸性水が
生成されて流出管路１１ｇから流出され、陰極室１１ｆ
ではアルカリ性水が生成されて流出管路１１ｈから流出
される。この有隔膜電解は制御装置１４にて制御され、
所定時間経過後または電解生成水が所定量に達した後電
解運転が停止され、陽イオン交換樹脂の再生運転が行わ
れる。The diluted saline solution prepared in the main line 15a of the first supply line 15 passes through each of the branch lines 15b and 15c and each of the flow control valves 15f and 15g.
1d and the cathode chamber 11f. The electrolytic treatment of the diaphragm is performed in the electrolytic cell 11, and the acidic water is generated in the anode chamber 11d and flows out from the outflow pipe 11g to the cathode chamber 11f.
In this case, alkaline water is generated and discharged from the outflow pipe 11h. This diaphragm electrolysis is controlled by the control device 14,
After a lapse of a predetermined time or when the amount of electrolyzed water reaches a predetermined amount, the electrolysis operation is stopped, and a regeneration operation of the cation exchange resin is performed.
【００２１】陽イオン交換樹脂の再生運転では、三方切
替弁１７ｆが切替動作されるとともに開閉弁１７ｄが開
放された状態で、第２供給管路１６における供給ポンプ
１６ｃの駆動により、濃塩水貯溜槽１２内の濃塩水が食
塩水供給管路１６ｂを通して軟水器１３へ供給される。
これにより、軟水器１３に収容されているナトリウムイ
オン交換型の陽イオン交換樹脂が再生される。再生に使
用された濃塩水は三方切替弁１７ｆと第３供給管路１７
における排出管路１７ｂ（開閉弁１７ｄ及び流量センサ
１７ｅが介装されている）を通して排水貯溜槽２０へ排
出されて貯溜される。In the regeneration operation of the cation exchange resin, the three-way switching valve 17f is switched and the on-off valve 17d is opened, and the supply pump 16c in the second supply line 16 is driven to drive the concentrated salt water storage tank. The concentrated salt water in 12 is supplied to the water softener 13 through a saline solution supply line 16b.
Thereby, the sodium ion exchange type cation exchange resin accommodated in the water softener 13 is regenerated. The concentrated salt water used for regeneration is supplied to the three-way switching valve 17f and the third supply line 17
Is discharged to and stored in the drainage storage tank 20 through the discharge line 17b (on which the opening / closing valve 17d and the flow rate sensor 17e are interposed).
【００２２】以上の説明から明らかなように、本実施形
態の電解水生成装置においては、軟水器１３にて原水を
軟水化処理した後に濃塩水を混合して所定濃度の希薄食
塩水を調製し、これを電解槽１１にて電解処理して電解
水（酸性水及びアルカリ性水）を生成するものであるた
め、電解槽１１での電解処理前にＣａ2+、Ｍｇ2+、Ｆｅ
2+、Ｆｅ3+等の金属イオンは軟水器１３にて除去されて
おり、これら金属イオンが電解槽１１での電解処理を阻
害することはなく、電解槽１１での電解効率が低下する
ことはない。As is apparent from the above description, in the electrolyzed water generating apparatus according to the present embodiment, the raw water is softened in the water softener 13 and then mixed with concentrated salt water to prepare a diluted saline solution having a predetermined concentration. Since this is subjected to electrolytic treatment in the electrolytic cell 11 to generate electrolytic water (acidic water and alkaline water), Ca 2+ , Mg 2+ , Fe
Metal ions such as 2+ and Fe 3+ have been removed in the water softener 13, and these metal ions do not hinder the electrolytic treatment in the electrolytic cell 11, and the electrolysis efficiency in the electrolytic cell 11 decreases. There is no.
【００２３】また、本実施形態の電解水生成装置におい
ては、軟水器１３の再生時に生じる排水が排水貯溜槽２
０に貯えられ、この排水貯溜槽２０内の排水が電解槽１
１での電解処理によって生成された酸性水に排水混合供
給手段２１により混合供給される。ところで、上記した
排水中には、Ｃａ2+、Ｍｇ2+、Ｆｅ2+、Ｆｅ3+等の金属
イオンが多量に含まれていて、同排水が酸性水と混合す
ることにより、例えばＦｅイオンと過酸化水素水のフェ
ントン反応（ラジカル反応）が生じてＯＨラジカルが生
成されるため、酸性水は例えばＯＨラジカル等の反応性
の高いラジカルを多量に含んだラジカルリッチ電解水と
なり、細菌に対して良好な殺菌効果が得られる。また、
本実施形態の電解水生成装置においては、軟水器１３の
再生時に生じる排水を有効に利用してラジカルリッチ電
解水を生成するものであるため、ランニングコストで安
くて安価に実施することができる。Further, in the electrolyzed water generator of the present embodiment, the waste water generated at the time of regeneration of the water softener 13 is discharged to the waste water storage tank 2.
The wastewater in the wastewater storage tank 20 is stored in the electrolytic tank 1
The wastewater is supplied to the acidic water generated by the electrolytic treatment in step 1 by the wastewater mixing / supplying means 21. By the way, the above-mentioned waste water contains a large amount of metal ions such as Ca 2+ , Mg 2+ , Fe 2+ , and Fe 3+. OH radicals are generated by the Fenton reaction (radical reaction) of hydrogen peroxide and hydrogen peroxide, so acidic water becomes radical-rich electrolytic water containing a large amount of highly reactive radicals such as OH radicals, Good sterilization effect can be obtained. Also,
In the electrolyzed water generating apparatus of the present embodiment, since the radical-rich electrolyzed water is generated by effectively using the wastewater generated at the time of regeneration of the water softener 13, the running cost can be reduced and the cost can be reduced.
【００２４】上記実施形態においては、所定濃度の希薄
食塩水を電解槽にて電解処理して電解水を得る電解水生
成装置に本発明を実施したが、水道水等の原水を電解槽
にて電解処理して電解水を得る電解水生成装置にも本発
明は同様に実施し得るものである。また、上記実施形態
においては、有隔膜の電解槽１１にて電解処理する電解
水生成装置に本発明を実施したが、無隔膜の電解槽にて
電解処理する電解水生成装置にも本発明は同様に実施し
得るものである。In the above embodiment, the present invention was applied to an electrolyzed water generating apparatus for obtaining electrolyzed water by electrolytically processing a dilute saline solution having a predetermined concentration in an electrolyzed tank. The present invention can be similarly applied to an electrolyzed water generating apparatus that obtains electrolyzed water by electrolyzing. In the above embodiment, the present invention is applied to the electrolyzed water generating apparatus for performing the electrolytic treatment in the electrolytic cell 11 having a diaphragm. However, the present invention is also applicable to the electrolytic water generating apparatus for performing the electrolytic treatment in an electrolytic cell having no diaphragm. It can be implemented similarly.
【図１】本発明による電解水生成装置の一実施形態を示
す概略構成図である。FIG. 1 is a schematic configuration diagram showing an embodiment of an electrolyzed water generation device according to the present invention.
１１…電解槽、１２…食塩水貯溜槽、１３…軟水器、１
４…制御装置、１５…第１供給管路、１６…第２供給管
路、１６ａ…軟水供給管路、１６ｂ…食塩水供給管路、
１６ｃ…供給ポンプ、１６ｄ…開閉弁、１７…第３供給
管路、１７ａ…原水供給管路、１７ｂ…排出管路、１７
ｆ…三方切替弁、２０…排水貯溜槽、２１…排水混合供
給手段、２１ａ…排水供給管路、２１ｂ…供給ポンプ。11 electrolytic bath, 12 saline storage tank, 13 water softener, 1
4 ... Control device, 15 ... First supply line, 16 ... Second supply line, 16a ... Soft water supply line, 16b ... Salt supply line
16c: supply pump, 16d: on-off valve, 17: third supply line, 17a: raw water supply line, 17b: discharge line, 17
f: three-way switching valve, 20: drainage storage tank, 21: wastewater mixing and supply means, 21a: drainage supply pipe, 21b: supply pump.
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4D025 AA02 AB19 AB22 BA08 BB11 BB19 DA06 4D061 DA02 DA03 DB07 EA02 EB01 EB04 EB12 EB39 FA08 GC06 GC11 GC16 GC18 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4D025 AA02 AB19 AB22 BA08 BB11 BB19 DA06 4D061 DA02 DA03 DB07 EA02 EB01 EB04 EB12 EB39 FA08 GC06 GC11 GC16 GC18
Claims (2)
原水を軟水化処理した後に電解槽にて電解処理して電解
水を生成するようにした電解水生成装置において、前記
軟水器の再生時に生じる排水を貯溜する排水貯溜槽と、
この排水貯溜槽内の排水を前記電解水に混合供給する排
水混合供給手段を設けたことを特徴とする電解水生成装
置。1. An electrolyzed water generating apparatus in which raw water is softened in a water softener containing a cation exchange resin and then electrolyzed in an electrolytic tank to generate electrolyzed water. A drainage storage tank for storing wastewater generated at the time,
An electrolyzed water generating apparatus provided with a wastewater mixing / supplying means for mixing and supplying the wastewater in the wastewater storage tank to the electrolyzed water.
の電解槽にて生成された酸性の電解水に前記排水貯溜槽
内の排水が排水混合供給手段によって供給されるように
したことを特徴とする請求項１記載の電解水生成装置。2. The method according to claim 1, wherein the electrolytic cell is a diaphragm type electrolytic cell, and the wastewater in the wastewater storage tank is supplied to the acidic electrolyzed water generated in the electrolytic tank by a wastewater mixing / supplying means. The electrolyzed water generator according to claim 1, wherein:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11022611A JP2000218269A (en) | 1999-01-29 | 1999-01-29 | Electrolytic water generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11022611A JP2000218269A (en) | 1999-01-29 | 1999-01-29 | Electrolytic water generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000218269A true JP2000218269A (en) | 2000-08-08 |
Family
ID=12087643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11022611A Pending JP2000218269A (en) | 1999-01-29 | 1999-01-29 | Electrolytic water generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000218269A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003012525A (en) * | 2001-07-02 | 2003-01-15 | Hoshizaki Electric Co Ltd | Wash water for injured site of living body and apparatus for producing the same |
| JP2004121969A (en) * | 2002-10-01 | 2004-04-22 | Kurita Water Ind Ltd | Cooling water treatment method |
| JP5238899B1 (en) * | 2012-07-13 | 2013-07-17 | 稔 菅野 | Disinfecting water generating apparatus and disinfecting cleaning method |
| WO2021200495A1 (en) * | 2020-04-03 | 2021-10-07 | パナソニックＩｐマネジメント株式会社 | Water softening device, and method for reproducing/washing same |
-
1999
- 1999-01-29 JP JP11022611A patent/JP2000218269A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003012525A (en) * | 2001-07-02 | 2003-01-15 | Hoshizaki Electric Co Ltd | Wash water for injured site of living body and apparatus for producing the same |
| JP2004121969A (en) * | 2002-10-01 | 2004-04-22 | Kurita Water Ind Ltd | Cooling water treatment method |
| JP5238899B1 (en) * | 2012-07-13 | 2013-07-17 | 稔 菅野 | Disinfecting water generating apparatus and disinfecting cleaning method |
| WO2014010291A1 (en) * | 2012-07-13 | 2014-01-16 | Kanno Minoru | Sterile water generation device and sterilizing cleaning method |
| EP2873651A4 (en) * | 2012-07-13 | 2015-11-11 | Minoru Kanno | Sterile water generation device and sterilizing cleaning method |
| US9540742B2 (en) | 2012-07-13 | 2017-01-10 | Minoru Kanno | Bactericidal water generating system and method of bactericidal washing |
| WO2021200495A1 (en) * | 2020-04-03 | 2021-10-07 | パナソニックＩｐマネジメント株式会社 | Water softening device, and method for reproducing/washing same |
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