JPH11114569A - Electrolyzed water producing device - Google Patents
Electrolyzed water producing deviceInfo
- Publication number
- JPH11114569A JPH11114569A JP9285482A JP28548297A JPH11114569A JP H11114569 A JPH11114569 A JP H11114569A JP 9285482 A JP9285482 A JP 9285482A JP 28548297 A JP28548297 A JP 28548297A JP H11114569 A JPH11114569 A JP H11114569A
- Authority
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- Japan
- Prior art keywords
- water
- diaphragm type
- electrolysis
- diaphragm
- chamber
- 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.)
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- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、食塩水などの無機
電解質溶液を電解して殺菌力のある次亜塩素酸等を含ん
だ電解水を取り出す電解水製造装置に係り、詳しくは隔
膜式電解槽と無隔膜式電解槽とを有する電解水製造装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrolyzed water producing apparatus for extracting an electrolyzed water containing hypochlorous acid or the like having a sterilizing power by electrolyzing an inorganic electrolyte solution such as a saline solution, and more particularly to a diaphragm type electrolysis system. The present invention relates to an electrolyzed water production apparatus having a tank and a non-diaphragm type electrolytic cell.
【０００２】[0002]
【従来の技術】食塩水を電解することにより次亜塩素酸
及び／又は次亜塩素酸ナトリウムを含んだ殺菌力を有す
る電解水が生成することは周知である。2. Description of the Related Art It is well known that electrolysis of a saline solution produces electrolyzed water having a sterilizing power containing hypochlorous acid and / or sodium hypochlorite.
【０００３】古くからこの種の電解水製造装置としては
隔膜によって陽極室と陰極室とを区画したものが用いら
れている。また、隔膜を用いない無隔膜式のものも広く
用いられている。[0003] As this type of electrolyzed water producing apparatus, an apparatus in which an anode chamber and a cathode chamber are partitioned by a diaphragm has been used for a long time. A non-diaphragm type without a diaphragm is also widely used.
【０００４】このような隔膜式電解槽によると生成した
酸性水のｐＨがかなり低くなり、腐食性が強すぎるよう
になる。無隔膜式電解槽によると、アルカリ性の次亜塩
素酸含有電解水が生成するので、隔膜式電解槽と無隔膜
式電解槽とを組み合わせて弱酸性の次亜塩素酸含有電解
水を生成させるようにした電解水製造装置が特開平８−
５２４７５号公報、特開平９−８５２５０号公報に記載
されている。[0004] According to such a diaphragm type electrolytic cell, the pH of the generated acidic water becomes considerably low, and the corrosiveness becomes too strong. According to the non-diaphragm type electrolyzer, alkaline hypochlorous acid-containing electrolyzed water is generated, so that a weakly acidic hypochlorous acid-containing electrolyzed water is generated by combining a diaphragm type electrolyzer and a non-diaphragm type electrolyzer. Japanese Patent Application Laid-Open No. 8-
No. 52475 and JP-A-9-85250.
【０００５】図２はこの特開平８−５２４７５号公報の
電解水製造装置の構成図であり、図３は特開平９−８５
２５０号公報の電解水製造装置の構成図である。FIG. 2 is a block diagram of the apparatus for producing electrolyzed water disclosed in Japanese Patent Application Laid-Open No. 8-52475, and FIG.
BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram of the electrolytic water manufacturing apparatus of 250.
【０００６】図２の電解水製造装置では、隔膜２２を有
した隔膜式電解槽２１の陽極室２４と陰極室２５に食塩
水をそれぞれ供給し、陽極室流出水をタンク２６を介し
て無隔膜式電解槽２７に送り、第２次電解処理してから
殺菌力を有した電解水として取り出している。２８ａ，
２８ｂは陽極、２９ａ，２９ｂは陰極を示す。In the apparatus for producing electrolyzed water shown in FIG. 2, a saline solution is supplied to an anode chamber 24 and a cathode chamber 25 of a diaphragm type electrolytic cell 21 having a diaphragm 22, and effluent from the anode chamber is supplied to a non-diaphragm through a tank 26. After being sent to the electrolytic cell 27 and subjected to the secondary electrolytic treatment, it is taken out as electrolytic water having a sterilizing power. 28a,
28b indicates an anode, and 29a and 29b indicate cathodes.
【０００７】なお、陽極室２４ではＨＣｌＯが生成し、
無隔膜式電解槽２７ではＨＣｌＯ及びＮａＯＨが生成す
ることによりＮａＣｌＯが生成する。ＮａＣｌＯ溶液の
ｐＨはＨＣｌＯ溶液のｐＨよりも高いから、陽極室２４
からの電解水に比べ無隔膜式電解槽２７を通過した後の
電解水のｐＨは中性に近い弱酸性のものとなる。Note that HClO is generated in the anode chamber 24,
In the non-diaphragm electrolytic cell 27, NaClO is generated by generating HClO and NaOH. Since the pH of the NaClO solution is higher than the pH of the HClO solution, the anode compartment 24
The pH of the electrolyzed water after passing through the non-diaphragm type electrolysis tank 27 becomes weaker near neutral than that of the electrolyzed water.
【０００８】図３の電解水製造装置では電解槽３０内が
無隔膜式の第１電極室３１と、該第１電極室３１に対し
隔膜３８で隔絶された第２電極室３２とが設けられてお
り、第１電極室３１に陽極３３と第１陰極３４が設置さ
れ、第２電極室３２に第２陰極３５が設置されている。In the apparatus for producing electrolyzed water shown in FIG. 3, a first electrode chamber 31 having a non-diaphragm type inside an electrolytic cell 30 and a second electrode chamber 32 isolated from the first electrode chamber 31 by a diaphragm 38 are provided. An anode 33 and a first cathode 34 are provided in the first electrode chamber 31, and a second cathode 35 is provided in the second electrode chamber 32.
【０００９】第１電極室に流入口３６から希薄食塩水が
導入され、陽極３３と第１陰極３４との間を通過する間
に無隔膜電解され、ＮａＣｌＯを主要成分とするｐＨ８
前後の電解水が生成する。この電解水が陽極３３と第２
陰極３５との間を流れることにより隔膜電解され、ＨＣ
ｌ、ＨＣｌＯが生成し、弱酸性のＮａＣｌＯ及びＨＣｌ
Ｏ含有電解水となり、流出口３７から取り出される。A dilute saline solution is introduced into the first electrode chamber through an inlet 36, is subjected to diaphragm-free electrolysis while passing between the anode 33 and the first cathode 34, and has a pH of 8 containing NaClO as a main component.
Before and after electrolyzed water is generated. This electrolyzed water is used for the anode 33 and the second
The membrane is electrolyzed by flowing between the cathode 35 and HC.
1, HClO is formed, weakly acidic NaClO and HCl
It becomes O-containing electrolyzed water and is taken out from the outlet 37.
【００１０】[0010]
【発明が解決しようとする課題】上記の特許登録第２６
２６７７８号公報のように隔膜式電解処理した場合、陽
極側電解水はかなりｐＨが低く、腐食性が強い。The above-mentioned Patent Registration No. 26
In the case of membrane electrolysis treatment as disclosed in Japanese Patent No. 26778, the pH of the anode-side electrolyzed water is considerably low and the corrosiveness is strong.
【００１１】図２，３に示す特開平８−５２４７５号公
報及び同９−８５２５０号公報の電解水製造装置による
と、弱酸性の次亜塩素酸含有電解水が生成するが、種々
の実験の結果、残留塩素の生成効率に若干劣ることが認
められた。これは隔膜式電解処理した食塩水をそのまま
無隔膜式電解処理する（特開平８−５２４７５号公
報）、又は、無隔膜式電解処理した食塩水をそのまま隔
膜式電解処理する（特開平９−８５２５０号公報）た
め、隔膜式電解処理及び無隔膜式電解処理時の溶液が各
処理にとって最適な溶液とはならないためであろうと推
察される。According to the electrolyzed water producing apparatuses disclosed in JP-A-8-52475 and JP-A-9-85250 shown in FIGS. 2 and 3, weakly acidic hypochlorous acid-containing electrolyzed water is generated. As a result, it was recognized that the production efficiency of residual chlorine was slightly inferior. In this method, a saline solution subjected to a diaphragm electrolysis treatment is directly subjected to a diaphragmless electrolysis treatment (JP-A-8-52475), or a saline solution subjected to a diaphragmless electrolysis treatment is subjected to a diaphragm electrolysis treatment as it is (JP-A-9-85250). For this reason, it is presumed that the solution at the time of the diaphragm type electrolysis process and the non-diaphragm type electrolysis process may not be an optimal solution for each process.
【００１２】本発明は残留塩素の高い弱酸性の所望ｐＨ
の電解水を効率良く製造できる電解水製造装置を提供す
ることを目的とする。The present invention is directed to a desired pH of a weak acid having a high residual chlorine.
It is an object of the present invention to provide an electrolyzed water production apparatus capable of efficiently producing electrolyzed water.
【００１３】[0013]
【課題を解決するための手段】本発明の電解水製造装置
は、隔膜で区画された陰極室及び陽極室を有した隔膜式
電解槽と、隔膜を有しない無隔膜式電解槽とを備えた電
解水製造装置において、該隔膜式電解槽と無隔膜式電解
槽とに別々に無機電解質溶液を供給し、該隔膜式電解槽
の陽極室流出水と該無隔膜式電解槽の流出水とを合流さ
せて取り出すようにしたことを特徴とするものである。The electrolyzed water producing apparatus of the present invention comprises a diaphragm type electrolytic cell having a cathode compartment and an anode compartment divided by a diaphragm, and a non-diaphragm type electrolytic cell having no diaphragm. In the electrolytic water production apparatus, an inorganic electrolyte solution is separately supplied to the diaphragm type electrolytic cell and the non-diaphragm type electrolytic cell, and the effluent of the anode chamber of the diaphragm type electrolytic cell and the effluent of the non-diaphragm type electrolytic cell are separated. It is characterized by being taken out by merging.
【００１４】かかる本発明の電解水製造装置にあって
は、隔膜式電解槽においてＮａＣｌ，ＫＣｌ，ＨＣｌ，
ＮａＣｌＯ，ＮＨ4Ｃｌ等の無機電解質溶液が隔膜式電
解処理を受け、ＨＣｌＯが効率良く生成する。In the electrolytic water producing apparatus of the present invention, NaCl, KCl, HCl,
An inorganic electrolyte solution such as NaClO or NH 4 Cl is subjected to a diaphragm type electrolysis treatment, and HClO is efficiently generated.
【００１５】一方、無隔膜式電解槽においては食塩水等
の無機電解質溶液が無隔膜式電解処理を受け、アルカリ
性のＮａＣｌＯが生成する。On the other hand, in a non-diaphragm type electrolytic cell, an inorganic electrolyte solution such as saline is subjected to a non-diaphragm type electrolysis treatment, and alkaline NaClO is generated.
【００１６】この隔膜式電解槽の陽極室からのＨＣｌＯ
含有電解水と無隔膜式電解槽からもＮａＣｌＯ含有電解
水とを混合することにより、残留塩素濃度が高い弱酸性
の電解水が得られる。HClO from the anode chamber of the diaphragm type electrolytic cell
By mixing the electrolytic water containing NaClO and the electrolytic water containing NaClO from the non-diaphragm type electrolytic cell, weakly acidic electrolytic water having a high residual chlorine concentration can be obtained.
【００１７】本発明においては、隔膜式電解槽と無隔膜
式電解槽とにそれぞれ別々に無機電解質溶液を供給して
電解処理するため、隔膜式電解及び無隔膜式電解にそれ
ぞれ好適な濃度の無機電解質溶液を各槽に供給できる。
このため、各槽においてそれぞれ効率良く隔膜式電解及
び無隔膜式電解が行われる。また、隔膜式電解及び無隔
膜式電解においてそれぞれ所望のｐＨの電解水を生成さ
せることができる。従って、残留塩素濃度が高く且つ所
望のｐＨの電解水を効率良く生成させることが可能とな
る。In the present invention, the inorganic electrolytic solution is separately supplied to the diaphragm type electrolysis tank and the non-diaphragm type electrolysis tank, respectively, and the electrolytic treatment is performed. An electrolyte solution can be supplied to each tank.
For this reason, the diaphragm type electrolysis and the non-diaphragm type electrolysis are performed efficiently in each tank. Further, in the diaphragm type electrolysis and the non-diaphragm type electrolysis, it is possible to generate electrolyzed water having a desired pH. Therefore, it is possible to efficiently generate electrolytic water having a high residual chlorine concentration and a desired pH.
【００１８】本発明では、隔膜式電解槽に３００〜２０
００ｍｇ／Ｌの食塩水溶液を供給し、無隔膜式電解槽に
１０００〜５００００ｍｇ／Ｌの食塩水溶液を供給し、
隔膜式電解槽への食塩水の供給量を無隔膜式電解槽への
食塩水の供給量の２〜４００倍とし、ｐＨ３．２〜６．
５、残留塩素濃度１５〜１００ｍｇ／Ｌの前記流出水を
生成させることが好ましい。In the present invention, the diaphragm type electrolytic cell has a capacity of 300 to 20.
A saline solution of 00 mg / L is supplied, and a saline solution of 1000 to 50,000 mg / L is supplied to the non-diaphragm type electrolytic cell.
The supply amount of the saline solution to the diaphragm type electrolytic cell is set to 2 to 400 times the supply amount of the saline solution to the non-diaphragm type electrolytic cell, and the pH is 3.2 to 6.
5. It is preferable to generate the effluent having a residual chlorine concentration of 15 to 100 mg / L.
【００１９】[0019]
【発明の実施の形態】図１は本発明の実施の形態に係る
電解水製造装置の概略的な断面図である。FIG. 1 is a schematic sectional view of an apparatus for producing electrolyzed water according to an embodiment of the present invention.
【００２０】電解槽１の一端側と他端側にそれぞれ食塩
水の流入口２，３が設けられている。この電解槽１内の
該流入口２，３の中間の部分には袖壁状の隔壁４が設け
られている。この隔壁４よりも流入口２側が隔膜５を有
した隔膜式電解室６とされ、流入口３側が無隔膜式電解
室７とされている。At one end and the other end of the electrolytic cell 1, inlets 2 and 3 for saline solution are provided, respectively. A sleeve wall-shaped partition wall 4 is provided in an intermediate portion of the inlets 2 and 3 in the electrolytic cell 1. The inflow port 2 side of the partition 4 is a diaphragm type electrolysis chamber 6 having a diaphragm 5, and the inflow port 3 side is a non-diaphragm type electrolysis chamber 7.
【００２１】隔膜式電解室６内の隔膜５は、隔壁４の先
端から流入口２に向って延設されており、流入口２から
の流入食塩水が陽極室６ａと陰極室６ｂとにそれぞれ流
入するよう構成されている。The diaphragm 5 in the diaphragm type electrolysis chamber 6 extends from the tip of the partition wall 4 toward the inflow port 2, and the saline solution flowing in from the inflow port 2 is supplied to the anode chamber 6a and the cathode chamber 6b, respectively. It is configured to flow in.
【００２２】電解槽１の流入口２，３の中間部分には陽
極側流出口８が設けられ、陽極室６ａと無隔膜式電解室
７がそれぞれこの陽極側流出口８に連通している。陰極
室６ｂには陰極側流出口９が設けられている。陽極室６
ａには陽極１０が設置され、陰極室６ｂには陰極１１が
設置されている。また、無隔膜式電解室７内には陽極１
２と陰極１３とが設置されている。An anode-side outlet 8 is provided at an intermediate portion between the inlets 2 and 3 of the electrolytic cell 1, and an anode chamber 6a and a non-diaphragm-type electrolytic chamber 7 communicate with the anode-side outlet 8, respectively. A cathode outlet 9 is provided in the cathode chamber 6b. Anode compartment 6
An anode 10 is installed in a, and a cathode 11 is installed in the cathode chamber 6b. The anode 1 is provided in the non-diaphragm type electrolysis chamber 7.
2 and a cathode 13 are provided.
【００２３】陽極１０と陰極１１との間には可変抵抗器
１５を介して直流電源１４から直流電圧が印加され、陽
極１２と陰極１３との間には直流電源１６から直流電圧
が印加される。A DC voltage is applied between the anode 10 and the cathode 11 from a DC power supply 14 via a variable resistor 15, and a DC voltage is applied between the anode 12 and the cathode 13 from a DC power supply 16. .
【００２４】このように構成された電解水製造装置にお
いては、流入口２，３から無機電解質溶液例えば食塩水
が導入され、隔膜式電解室６内で隔膜式電解が行われ、
陽極室６ａでＨＣｌＯ含有水が生成し、陰極室６ｂでＮ
ａＯＨ含有水が生成する。無隔膜式電解室７内ではＮａ
ＣｌＯ含有水が生成する。陽極室６ａからのＨＣｌＯ含
有水と無隔膜式電解室７からのＮａＣｌＯ含有水とが混
合し、流出口８から弱酸性のＮａＣｌＯ及びＨＣｌＯ含
有水が取り出される。各電解室６，７への導入食塩水濃
度及び導入量をそれぞれの電解に好適な濃度及び量とす
ることにより、各室内の電解効率を最も高い範囲のもの
とすることができる。In the electrolyzed water producing apparatus configured as described above, an inorganic electrolyte solution, for example, a saline solution is introduced from the inlets 2 and 3, and the diaphragm type electrolysis is performed in the diaphragm type electrolysis chamber 6.
HClO-containing water is generated in the anode chamber 6a, and N
aOH-containing water is produced. Na in the diaphragmless electrolysis chamber 7
ClO-containing water is produced. The HClO-containing water from the anode chamber 6a and the NaClO-containing water from the diaphragmless electrolysis chamber 7 are mixed, and the weakly acidic NaClO- and HClO-containing water are taken out from the outlet 8. By setting the concentration and the amount of the saline solution introduced into each of the electrolysis chambers 6 and 7 to a concentration and an amount suitable for each electrolysis, the electrolysis efficiency in each chamber can be in the highest range.
【００２５】本発明では、流入口２から電解室６へ導入
される食塩水濃度を３００〜２０００ｍｇ／Ｌとくに６
００〜１０００ｍｇ／Ｌとし、流入口３から電解室７へ
導入される食塩水濃度を１０００〜５００００ｍｇ／Ｌ
とくに５０００〜３００００ｍｇ／Ｌとし、隔膜式電解
室６への導入水量を無隔膜式電解室７への導入水量の２
〜４００倍とくに１００〜２００倍とすることが好まし
い。In the present invention, the concentration of the saline solution introduced from the inlet 2 into the electrolysis chamber 6 is 300 to 2000 mg / L, especially
The concentration of the saline solution introduced into the electrolysis chamber 7 from the inflow port 3 is 1000 to 50,000 mg / L.
In particular, it is set to 5000 to 30000 mg / L, and the amount of water introduced into the diaphragm type electrolysis chamber 6 is 2 times the amount of water introduced into the non-diaphragm type electrolytic chamber 7.
It is preferably from 400 to 400 times, especially from 100 to 200 times.
【００２６】流入口２から隔膜式電解室６へ導入する溶
液を１００部とした場合、陽極室６ａへ導入する水量は
３０〜７０部とくに４０〜６０部であることが好まし
い。When the amount of the solution introduced from the inlet 2 into the diaphragm type electrolysis chamber 6 is 100 parts, the amount of water introduced into the anode chamber 6a is preferably 30 to 70 parts, particularly preferably 40 to 60 parts.
【００２７】このような条件で電解を行うことにより、
陽極側流出口８からはｐＨ３〜６．５、残留塩素濃度３
０〜１００ｍｇ／Ｌの陽極側電解水を取り出すことがで
き、陰極側流出口９からはｐＨ１０〜１１．５の陰極側
電解水（ＮａＯＨ含有水）を取り出すことができる。By performing electrolysis under such conditions,
PH 3 to 6.5, residual chlorine concentration 3
0 to 100 mg / L anode-side electrolyzed water can be taken out, and cathode-side electrolyzed water (NaOH-containing water) having a pH of 10 to 11.5 can be taken out from the cathode-side outlet 9.
【００２８】なお、陽極室６ａではｐＨ２．２〜３、Ｈ
ＣｌＯ濃度１０〜４０ｍｇ／Ｌ程度のＨＣｌＯ含有水が
生成し、無隔膜式電解室７ではｐＨ７．５〜１１、Ｎａ
ＣｌＯ濃度４０〜６０００ｍｇ／Ｌ程度のＮａＣｌＯ含
有水が生成する。The anode chamber 6a has a pH of 2.2 to 3,
HClO-containing water having a ClO concentration of about 10 to 40 mg / L is generated.
NaClO-containing water having a ClO concentration of about 40 to 6000 mg / L is generated.
【００２９】[0029]
実施例１ 図１の本発明装置において、運転条件を次の通り設定し
た。 流入口２からの流入食塩水濃度 ７５０ｍｇ／Ｌ 流入口３からの流入食塩水濃度 ３００００ｍｇ／Ｌ 流入口２からの導入量 ６００Ｌ／Ｈｒ 流入口３からの導入量 ３Ｌ／Ｈｒ 流出口８からの取り出し量 ３０３Ｌ／Ｈｒ 流出口９からの取り出し量 ３００Ｌ／Ｈｒ 電極１０，１１間印加電圧 １０Ｖ 電極１２，１３間印加電圧 ３．５Ｖ これにより流出口８から得られた陽極側電解水の残留塩
素濃度、ｐＨ及び流量を表１に示す。なお、残留塩素濃
度はｏ−トリジン比色分析法によって測定した。Example 1 In the apparatus of the present invention shown in FIG. 1, the operating conditions were set as follows. Inlet saline concentration from inlet 2 750 mg / L Inlet saline concentration from inlet 3 30000 mg / L Inlet from inlet 2 600 L / Hr Inlet from inlet 3 3 L / Hr Removal from outlet 8 Amount 303 L / Hr Amount taken out from outlet 9 300 L / Hr Applied voltage between electrodes 10 and 11 10 V Applied voltage between electrodes 12 and 13 3.5 V Residual chlorine concentration of electrolytic water on anode side obtained from outlet 8, Table 1 shows the pH and the flow rate. The residual chlorine concentration was measured by o-tolidine colorimetry.
【００３０】比較例１ 図１の装置において、流出口８にバルブ８ａを設け、こ
のバルブ８ａを全閉とした。また、流出口９にバルブ９
ａを設け、このバルブ９ａの開度を調節した。Comparative Example 1 In the apparatus shown in FIG. 1, a valve 8a was provided at the outflow port 8, and the valve 8a was fully closed. Also, a valve 9 is connected to the outlet 9.
a was provided, and the opening of the valve 9a was adjusted.
【００３１】そして、流入口２から濃度９００ｍｇ／Ｌ
の食塩水を６０３Ｌ／Ｈｒ（これは実施例１において流
入口２，３から導入した食塩水量の合量と同じであ
る。）を導入し、流出口９からは実施例１と同じく３０
０Ｌ／Ｈｒの陰極側流出水を取り出した。その他の条件
は実施例１と同一とし、電解水生成運転を行った。Then, a concentration of 900 mg / L from the inlet 2
603 L / Hr (this is the same as the total amount of the saline solution introduced from the inlets 2 and 3 in Example 1), and 30 from the outlet 9 as in Example 1.
0 L / Hr of the cathode-side effluent was taken out. The other conditions were the same as in Example 1, and the electrolytic water generation operation was performed.
【００３２】開口３から取り出した陽極側電解水と流出
口９からの陰極側電解水についてのデータを表１に示
す。Table 1 shows data on the electrolyzed water on the anode side taken out of the opening 3 and the electrolyzed water on the cathode side coming out of the outlet 9.
【００３３】比較例２ 比較例１と同じくバルブ８ａを全閉とし、バルブ９ａの
開度を調節した。Comparative Example 2 As in Comparative Example 1, the valve 8a was fully closed, and the opening of the valve 9a was adjusted.
【００３４】流入口３からは実施例１において流入口
２，３から電解槽１に導入した合計量と同量の食塩水
（濃度９００ｍｇ／Ｌ）を導入し、流出口９からは実施
例１と同一量の陰極側電解水を流出させた。その他の条
件は実施例１と同一にして電解水生成運転を行った。From the inflow port 3, the same amount of saline (concentration: 900 mg / L) as the total amount introduced into the electrolytic cell 1 from the inflow ports 2 and 3 in the first embodiment was introduced. The same amount of cathode-side electrolyzed water was allowed to flow out. The other conditions were the same as in Example 1 to perform the electrolyzed water generation operation.
【００３５】開口２から取り出した陽極側電解水と流出
口９から取り出した陰極側電解水についてのデータを表
１に示す。Table 1 shows data on the electrolytic water on the anode side taken out from the opening 2 and the electrolytic water on the cathode side taken out from the outlet 9.
【００３６】[0036]
【表１】 [Table 1]
【００３７】表１から明らかな通り、実施例１によると
残留塩素濃度が高い陽極側電解水を生成させることがで
きる。As is clear from Table 1, according to Example 1, it is possible to generate anode-side electrolyzed water having a high residual chlorine concentration.
【００３８】なお、比較例２，３のように隔膜式電解工
程と無隔膜式電解工程とを直列に通水するように電解処
理を行うと残留塩素濃度（ＨＣｌＯ及びＮａＣｌＯの合
計のＣｌ濃度）が実施例１よりも低くなる。As in Comparative Examples 2 and 3, when the electrolytic treatment is performed so that the diaphragm electrolysis process and the non-diaphragm electrolysis process are passed in series, the residual chlorine concentration (total Cl concentration of HClO and NaClO) is obtained. Is lower than in the first embodiment.
【００３９】実施例２，３，４ 実施例１において電極１０，１１間に印加する電圧を表
２のように変化させた場合の電解水のデータを測定し、
結果を表２に示した。Examples 2, 3 and 4 In Example 1, data of electrolyzed water was measured when the voltage applied between the electrodes 10 and 11 was changed as shown in Table 2.
The results are shown in Table 2.
【００４０】[0040]
【表２】 [Table 2]
【００４１】表２から明らかな通り、電極１０，１１間
の電圧を変えることにより所望のｐＨの電解水を生成さ
せることができる。As is apparent from Table 2, by changing the voltage between the electrodes 10 and 11, electrolyzed water having a desired pH can be generated.
【００４２】[0042]
【発明の効果】以上の通り、本発明によると残留塩素濃
度の高い所望ｐＨの陽極側電解水を効率良く生成させる
ことができる。As described above, according to the present invention, it is possible to efficiently produce anode-side electrolyzed water having a high residual chlorine concentration and a desired pH.
【図１】実施の形態に係る電解水製造装置の断面図であ
る。FIG. 1 is a sectional view of an electrolyzed water production apparatus according to an embodiment.
【図２】従来例に係る電解水製造装置の断面図である。FIG. 2 is a cross-sectional view of an electrolyzed water producing apparatus according to a conventional example.
【図３】別の従来例に係る電解水製造装置の断面図であ
る。FIG. 3 is a sectional view of an electrolyzed water producing apparatus according to another conventional example.
１ 電解槽 ２，３ 流入口 ４ 隔壁 ５ 隔膜 ６ 隔膜式電解室 ６ａ 陽極室 ６ｂ 陰極室 ７ 無隔膜式電解室 ８，９ 流出口 １０，１２ 陽極 １１，１３ 陰極 １４，１６ 直流電源 １５ 可変抵抗器 DESCRIPTION OF SYMBOLS 1 Electrolyzer 2, 3 Inflow port 4 Partition wall 5 Diaphragm 6 Diaphragm type electrolysis room 6a Anode room 6b Cathode room 7 Non-diaphragm type electrolysis room 8,9 Outflow port 10,12 Anode 11,13 Cathode 14,16 DC power supply 15 Variable resistance vessel
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｃ０２Ｆ 1/76 Ｃ０２Ｆ 1/76 Ａ ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI C02F 1/76 C02F 1/76 A
Claims (2)
した隔膜式電解槽と、隔膜を有しない無隔膜式電解槽と
を備えた電解水製造装置において、 該隔膜式電解槽と無隔膜式電解槽とに別々に無機電解質
溶液を供給し、 該隔膜式電解槽の陽極室流出水と該無隔膜式電解槽の流
出水とを合流させて陽極側流出水として取り出すように
したことを特徴とする電解水製造装置。1. An electrolytic water producing apparatus comprising: a diaphragm type electrolytic cell having a cathode chamber and an anode chamber partitioned by a diaphragm; and a non-diaphragm type electrolytic cell having no diaphragm. The inorganic electrolyte solution is separately supplied to the diaphragm type electrolytic cell, and the effluent of the anode chamber of the diaphragm type electrolytic cell and the effluent of the non-diaphragm type electrolytic cell are merged and taken out as anode side effluent. An electrolytic water production apparatus characterized by the above-mentioned.
０〜２０００ｍｇ／Ｌの食塩水溶液を供給し、無隔膜式
電解槽に１０００〜５００００ｍｇ／Ｌの食塩水溶液を
供給し、 隔膜式電解槽への食塩水の供給量を無隔膜式電解槽への
食塩水の供給量の２〜４００倍とし、 ｐＨ３．２〜６．５、残留塩素濃度１５〜１００ｍｇ／
Ｌの前記陽極側流出水を生成させることを特徴とする電
解水製造装置。2. The method according to claim 1, wherein 30 is provided in the diaphragm type electrolytic cell.
A saline solution of 0 to 2000 mg / L is supplied, and a saline solution of 1000 to 50,000 mg / L is supplied to the non-diaphragm electrolytic cell. 2 to 400 times the water supply, pH 3.2 to 6.5, residual chlorine concentration 15 to 100 mg /
An electrolyzed water producing apparatus, wherein the anode-side outflow water of L is generated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28548297A JP3893693B2 (en) | 1997-10-17 | 1997-10-17 | Electrolyzed water production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28548297A JP3893693B2 (en) | 1997-10-17 | 1997-10-17 | Electrolyzed water production equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11114569A true JPH11114569A (en) | 1999-04-27 |
| JP3893693B2 JP3893693B2 (en) | 2007-03-14 |
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ID=17692099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28548297A Expired - Fee Related JP3893693B2 (en) | 1997-10-17 | 1997-10-17 | Electrolyzed water production equipment |
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| Country | Link |
|---|---|
| JP (1) | JP3893693B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005281777A (en) * | 2004-03-30 | 2005-10-13 | Nippon Rensui Co Ltd | Method for electrolyzing alkali metal chloride |
| JP2007301430A (en) * | 2006-05-08 | 2007-11-22 | Nippon Rensui Co Ltd | Electric regeneration type pure water producing apparatus, and method for producing pure water |
| WO2016134619A1 (en) * | 2015-02-26 | 2016-09-01 | 罗民雄 | New method for controlling electrolyzed-water performance by using two sets of electrolytic electrode assemblies |
| JP2021188065A (en) * | 2020-05-26 | 2021-12-13 | 株式会社日本トリム | Electrolytic water generating device and hypochlorous acid water generating method |
-
1997
- 1997-10-17 JP JP28548297A patent/JP3893693B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005281777A (en) * | 2004-03-30 | 2005-10-13 | Nippon Rensui Co Ltd | Method for electrolyzing alkali metal chloride |
| JP2007301430A (en) * | 2006-05-08 | 2007-11-22 | Nippon Rensui Co Ltd | Electric regeneration type pure water producing apparatus, and method for producing pure water |
| WO2016134619A1 (en) * | 2015-02-26 | 2016-09-01 | 罗民雄 | New method for controlling electrolyzed-water performance by using two sets of electrolytic electrode assemblies |
| JP2021188065A (en) * | 2020-05-26 | 2021-12-13 | 株式会社日本トリム | Electrolytic water generating device and hypochlorous acid water generating method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3893693B2 (en) | 2007-03-14 |
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