JPH09327670A - Method and apparatus for cleaning and sterilizing tableware - Google Patents
Method and apparatus for cleaning and sterilizing tablewareInfo
- Publication number
- JPH09327670A JPH09327670A JP8157637A JP15763796A JPH09327670A JP H09327670 A JPH09327670 A JP H09327670A JP 8157637 A JP8157637 A JP 8157637A JP 15763796 A JP15763796 A JP 15763796A JP H09327670 A JPH09327670 A JP H09327670A
- Authority
- JP
- Japan
- Prior art keywords
- water
- sterilizing
- chloride
- hypochlorous acid
- tableware
- 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.)
- Granted
Links
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
Description
【０００１】[0001]
【発明の利用分野】本発明は塩化ナトリウムなどの塩化
物塩を含む水を電解して得たアルカリ水と酸性水を利用
して食器の洗浄と殺菌を行う食器洗い方法及びこの方法
を実施する装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwashing method for washing and sterilizing dishes using alkaline water and acidic water obtained by electrolyzing water containing a chloride salt such as sodium chloride, and an apparatus for carrying out this method. Regarding
【０００２】[0002]
【従来の技術】従来、食器の洗浄には各種の洗剤が使用
されている。この種の洗剤は洗浄処理後の排水にいろい
ろな有害物質が残留しているため、特に、ホテル、大型
レストランなど大量の食器を洗浄するところでは環境汚
染の公害問題をおこしている。2. Description of the Related Art Conventionally, various detergents have been used for washing dishes. Since various kinds of harmful substances remain in the waste water after the cleaning process, this kind of detergent causes a pollution problem of environmental pollution especially in the case of washing a large amount of dishes such as hotels and large restaurants.
【０００３】[0003]
【発明が解決しようとする課題】従って本発明の第１の
目的は、環境及び人体に害がなく、しかも、洗浄・殺菌
効果が高い食器の洗浄・殺菌方法を提供することにあ
る。SUMMARY OF THE INVENTION It is, therefore, a first object of the present invention to provide a method for cleaning and sterilizing tableware which is harmless to the environment and human body and has a high cleaning and sterilizing effect.
【０００４】また、本発明の他の目的は、上記の洗浄・
殺菌方法を実施するための食器洗い装置を提供すること
にある。Another object of the present invention is the above cleaning /
It is to provide a dishwashing device for performing a sterilization method.
【０００５】[0005]
【課題を解決するための手段】上記の第１の目的を達成
するために、本発明の一つの食器洗浄・殺菌方法は、塩
化ナトリウム、塩化カリウムなどの塩化物塩を添加した
水、又はこれら塩化物塩と水に溶けてアルカリ性を示す
化合物とを添加した水を、有隔膜電解槽でｐＨ１０〜１
２．５の強アルカリ水と酸性水に電解し、得られた前記
強アルカリ水で食器の第１次洗浄を行うとともに、少な
くとも塩化ナトリウム、塩化カリウムなどの塩化物塩を
添加した水を無隔膜電解槽で電解して得たｐＨ３〜７．
５の次亜塩素酸殺菌水で前記食器の第２次殺菌洗浄を行
うことを特徴とする。In order to achieve the above-mentioned first object, one of the dishwashing / sterilizing methods of the present invention is water containing a chloride salt such as sodium chloride or potassium chloride, or these. Water containing a chloride salt and a compound which is soluble in water and exhibits alkalinity is added to a diaphragm electrolyzer to have a pH of 10 to 1
Electrolyze to 2.5 strong alkaline water and acidic water, and perform the primary washing of the tableware with the obtained strong alkaline water, and at the same time, add water containing at least chloride salts such as sodium chloride and potassium chloride to a diaphragm. PH obtained by electrolysis in an electrolytic cell 3-7.
It is characterized in that the tableware is secondly sterilized and washed with the hypochlorous acid sterilized water of No. 5.
【０００６】 上記の第１の目的を達成するための本発
明の他の食器洗浄・殺菌方法は、塩化ナトリウム、塩化
カリウムなどの塩化物塩を添加した水、又はこれら塩化
物塩と水に溶けてアルカリ性を示す化合物とを添加した
水を、有隔膜電解槽でｐＨ１０〜１２．５の強アルカリ
水と酸性水に電解するとともに、少なくとも塩化ナトリ
ウム、塩化カリウムなどの塩化物塩を添加した水を無隔
膜電解槽で電解して得た水と、前記有隔膜電解槽で生成
された酸性水と、水道水などの原水とを混合してｐＨ３
〜７．５の次亜塩素酸殺菌水を調整し、前記ｐＨ１０〜
１２．５の強アルカリ水で食器の第１次洗浄を行うとと
もに、前記次亜塩素酸殺菌水で前記食器の第２次殺菌洗
浄を行うことを特徴とする。Another dishwashing / sterilizing method of the present invention for achieving the above-mentioned first object is to add water containing a chloride salt such as sodium chloride or potassium chloride, or to dissolve in these chloride salt and water. Water containing a compound showing alkalinity is electrolyzed into strong alkaline water having a pH of 10 to 12.5 and acidic water in a diaphragm electrolyzer, and at least water containing chloride salts such as sodium chloride and potassium chloride is added. Water obtained by electrolysis in a non-diaphragm electrolyzer, acidic water produced in the diaphragm electrolyzer, and raw water such as tap water are mixed to have a pH of 3
-7.5 hypochlorous acid sterilized water is prepared to adjust the pH to 10
It is characterized in that the tableware is firstly washed with strong alkaline water of 12.5 and the tableware is secondly sterilized and washed with the hypochlorous acid sterilizing water.
【０００７】上記の第１の目的を達成するための本発明
のさらに他の食器洗浄・殺菌方法は、塩化ナトリウム、
塩化カリウムなどの塩化物塩を添加した水、又はこれら
塩化物塩と水に溶けてアルカリ性を示す化合物とを添加
した水を、有隔膜電解槽でｐＨ１０〜１２．５の強アル
カリ水と酸性水に電解するとともに、少なくとも塩化ナ
トリウム、塩化カリウムなどの塩化物塩を添加した水と
有隔膜電解槽で生成された前記酸性水との混合水を無隔
膜電解槽で電解して得た水に、有隔膜電解槽で生成され
た前記酸性水および／又は水道水などの原水を混合して
ｐＨ３〜７．５の次亜塩素酸殺菌水を調整し、前記強ア
ルカリ水で食器の第１次洗浄を行うとともに、前記次亜
塩素酸殺菌水で前記食器の第２次殺菌洗浄を行うことを
特徴とする。[0007] Yet another method of washing and sterilizing dishes according to the present invention to achieve the above first object is to use sodium chloride,
Water containing chloride salts such as potassium chloride, or water containing these chloride salts and a compound that shows alkalinity when dissolved in water, is treated with strong alkaline water and acidic water of pH 10 to 12.5 in a diaphragm electrolyzer. With electrolysis, at least sodium chloride, to the water obtained by electrolyzing a mixed water of the acid water produced in the diaphragm electrolysis tank with water to which a chloride salt such as potassium chloride has been added, is electrolyzed, The raw water such as the acidic water and / or tap water generated in the diaphragm electrolyzer is mixed to prepare hypochlorous acid sterilized water having a pH of 3 to 7.5, and the tableware is first washed with the strong alkaline water. And performing second sterilization cleaning of the tableware with the hypochlorous acid sterilizing water.
【０００８】上記の第１の目的を達成するための本発明
のさらに他の食器洗浄・殺菌方法は、塩化ナトリウム、
塩化カリウムなどの塩化物塩と水に溶けてアルカリ性を
示す化合物を添加した水を、有隔膜電解槽でｐＨ１０〜
１２．５の強アルカリ水とｐＨ３〜７．５の次亜塩素酸
殺菌水に電解し、前記強アルカリ水で食器の第１次洗浄
を行うとともに、前記次亜塩素酸殺菌水で前記食器の第
２次殺菌洗浄を行うことを特徴とする。Still another dishwashing / sterilizing method of the present invention for achieving the above first object is sodium chloride,
Water containing a chloride salt such as potassium chloride and a compound that dissolves in water and exhibits alkalinity is added to a pH of 10 to 10 in a diaphragm electrolyzer.
Electrolyze to 12.5 strong alkaline water and pH 3 to 7.5 hypochlorous acid sterilizing water, and perform primary washing of the tableware with the strong alkaline water, and use the hypochlorous acid sterilizing water to wash the tableware. The second sterilization cleaning is performed.
【０００９】上記の第１の目的を達成するための本発明
のさらに他の食器洗浄・殺菌方法は、塩化ナトリウム、
塩化カリウムなどの塩化物塩を添加した水、又はこれら
塩化物塩と水に溶けてアルカリ性を示す化合物とを添加
した水を、有隔膜電解槽でｐＨ１０〜１２．５の強アル
カリ水と酸性水に電解するとともに、得られた酸性水に
前記電解強アルカリ水の一部を混合してｐＨ３〜７．５
の次亜塩素酸殺菌水を調整し、前記強アルカリ水で食器
の第１次洗浄を行うとともに、前記次亜塩素酸殺菌水で
前記食器の第２次殺菌洗浄を行うことを特徴とする。[0009] Yet another method of washing and sterilizing dishes according to the present invention for achieving the above first object is to use sodium chloride,
Water containing chloride salts such as potassium chloride, or water containing these chloride salts and a compound that shows alkalinity when dissolved in water, is treated with strong alkaline water and acidic water of pH 10 to 12.5 in a diaphragm electrolyzer. PH of 3-7.5 by mixing with the obtained acidic water part of the electrolytic strong alkaline water.
The hypochlorite sterilizing water is prepared, and the tableware is first washed with the strong alkaline water, and the tableware is secondly sterilized and washed with the hypochlorous acid sterilizing water.
【００１０】上記の第１の目的を達成するための本発明
のさらに他の食器洗浄・殺菌方法は、塩化ナトリウム、
塩化カリウムなどの塩化物塩を添加した水、又は該塩化
物塩と水に溶けてアルカリ性を示す化合物を添加した水
を、有隔膜電解槽で電気分解して電解槽の陽極室にｐＨ
３〜７．５の次亜塩素酸水を生成させるとともに、電解
槽の陰極室に生成された電解処理水に、水に溶けてアル
カリ性を示す化合物を含む薬液を添加してｐＨ１０〜１
２．５の強アルカリ水に調整し、この強アルカリ水で食
器の第１次洗浄を行うとともに、前記次亜塩素酸殺菌水
で前記食器の第２次殺菌洗浄を行うことを特徴とするStill another dishwashing / sterilizing method of the present invention for achieving the first object is sodium chloride,
Water to which a chloride salt such as potassium chloride has been added, or water to which the chloride salt and a compound exhibiting alkalinity in water have been added, is electrolyzed in a diaphragm electrolyzer to adjust the pH to the anode chamber of the electrolyzer.
A pH of 10 to 1 is obtained by adding a chemical solution containing a compound that dissolves in water and exhibits alkalinity to the electrolyzed water generated in the cathode chamber of the electrolysis cell while generating 3 to 7.5 hypochlorous acid water.
It is characterized in that it is adjusted to a strong alkaline water of 2.5, and that the tableware is first washed with this strong alkaline water and the tableware is secondly sterilized and washed with the hypochlorous acid sterilizing water.
【００１１】上記の第１の目的を達成するための本発明
のさらに他の食器洗浄・殺菌方法は、塩化ナトリウム、
塩化カリウムなどの塩化物塩を添加した水、又は該塩化
物塩と水に溶けてアルカリ性を示す化合物を添加した水
を、有隔膜電解槽で電気分解し、電解槽の陰極室に生成
された電解アルカリ水の一部を電解槽の陽極室に生成さ
れた電解酸性水に混合してｐＨ３〜７．５の次亜塩素酸
水に調整するとともに、電解槽の陰極室に生成された電
解アルカリ水に、水に溶けてアルカリ性を示す化合物を
含む薬液を添加してｐＨ１０〜１２．５の強アルカリ水
に調整し、この強アルカリ水で食器の第１次洗浄を行う
とともに、前記次亜塩素酸殺菌水で前記食器の第２次殺
菌洗浄を行うことを特徴とする。Still another dishwashing and sterilizing method of the present invention for achieving the above first object is sodium chloride,
Water to which a chloride salt such as potassium chloride was added, or water to which the chloride salt and a compound exhibiting alkalinity dissolved in water were added, was electrolyzed in a diaphragm electrolytic cell, and was generated in the cathode chamber of the electrolytic cell. Part of the electrolyzed alkaline water is mixed with electrolyzed acidic water generated in the anode chamber of the electrolytic cell to adjust to hypochlorous acid water having a pH of 3 to 7.5, and electrolyzed alkaline generated in the cathode chamber of the electrolytic cell. A chemical solution containing a compound which is soluble in water and exhibits alkalinity is added to water to adjust to strong alkaline water having a pH of 10 to 12.5, and the tableware is first washed with the strong alkaline water, and the hypochlorous acid is also added. It is characterized in that the tableware is secondarily sterilized and washed with acid sterilized water.
【００１２】上記の食器洗浄・殺菌方法において、さら
に好ましくは、電解槽の陽極室で生成された酸性水の一
部または全部を、塩素発生電極を使用した電解槽で電解
し、これにより前記酸性水に塩素が供給されるようにし
てもよい。In the above dishwashing / sterilizing method, it is more preferable that a part or all of the acidic water produced in the anode chamber of the electrolytic cell is electrolyzed in an electrolytic cell using a chlorine generating electrode, whereby the acidic water The water may be supplied with chlorine.
【００１３】前記の、「水に溶けてアルカリ性を示す化
合物」の好ましい例としては、メタケイ酸ナトリウムな
どのポリケイ酸塩、ケイ酸ナトリウムなどのケイ酸塩、
水酸化ナトリウム、水酸化カリウムなどの水酸化物塩、
又はこれらの二種以上の混合物を挙げることができる。Preferred examples of the above-mentioned "compound which exhibits alkalinity when dissolved in water" include polysilicates such as sodium metasilicate, silicates such as sodium silicate,
Hydroxide salts such as sodium hydroxide and potassium hydroxide,
Alternatively, a mixture of two or more of these may be mentioned.
【００１４】 有隔膜電解槽の陰極室と陽極室に給水さ
れる水は、前記塩化物塩及び／又は水に溶けてアルカリ
性を示す化合物の成分又は濃度を異ならせて電気分解し
てもよい。Water supplied to the cathode chamber and the anode chamber of the diaphragm electrolyzer may be electrolyzed by changing the component or concentration of the chloride salt and / or the compound showing alkalinity in water.
【００１５】また、上記第２の目的を達成するために、
本発明の一つの食器洗浄・殺菌装置は、食器を入れて洗
浄・殺菌する食器洗浄槽と、塩化ナトリウム、塩化カリ
ウムなどの塩化物塩を含む水、又はこれら塩化物塩と、
水に溶けてアルカリ性を示す化合物とを含む水を電解し
てアルカリ水と酸性水を生成し、各々の吐水管から各別
に排出する連続式電解水生成装置と、前記電解水生成装
置のアルカリ水吐水管から前記食器洗い洗浄槽に配管さ
れ、前記電解水生成装置で生成されたアルカリ水を食器
洗い洗浄槽に供給するアルカリ水配管系と、前記電解水
生成装置の酸性水吐水管とアルカリ水吐水管に接続さ
れ、前記電解水生成装置から排出される酸性水とアルカ
リ水を混合して次亜塩素酸殺菌水を生成する調合部と、
この調合部から食器洗浄槽に配管され、前記次亜塩素酸
殺菌水を洗浄槽に供給する殺菌水配管系と、を有してい
る。In order to achieve the second object,
One dishwashing / sterilizing apparatus of the present invention is a dishwashing tank for washing and sterilizing by placing dishes, and water containing chloride salts such as sodium chloride and potassium chloride, or these chloride salts,
A continuous electrolyzed water generator that electrolyzes water containing a compound exhibiting alkalinity by dissolving in water to generate alkaline water and acidic water, and separately discharges from each discharge pipe, and alkaline water of the electrolyzed water generator An alkaline water piping system that is piped from the water discharge pipe to the dishwashing and cleaning tank and supplies the alkaline water generated by the electrolytic water generation device to the dishwashing and cleaning device, and an acidic water discharge pipe and an alkaline water discharge pipe of the electrolytic water generation device. And a mixing unit that mixes acidic water and alkaline water discharged from the electrolyzed water generator to generate hypochlorous acid sterilized water,
A sterilizing water piping system is provided which is piped from the mixing section to the dishwashing tank and supplies the hypochlorous acid sterilizing water to the cleaning tank.
【００１６】上記第２の目的を達成するための本発明の
他の食器洗浄・殺菌装置は、食器を入れて洗浄・殺菌す
る食器洗浄槽と、塩化ナトリウム、塩化カリウムなどの
塩化物塩、又はこれら塩化物塩と、水に溶けてアルカリ
性を示す化合物を添加した水とを電解してアルカリ水と
酸性水を生成し、各々の吐水管から各別に排出する連続
式電解水生成装置と、前記電解水生成装置のアルカリ水
吐水管から前記食器洗い洗浄槽に配管され、前記電解水
生成装置で生成されたアルカリ水を食器洗い洗浄槽に供
給するアルカリ水配管系と、前記電解水生成装置の酸性
水吐水管から食器洗浄槽に配管され、前記次亜塩素酸殺
菌水を洗浄槽に供給する殺菌水配管系と、を有してい
る。Another dishwashing / sterilizing apparatus of the present invention for achieving the above-mentioned second object is a dishwashing tank for washing and sterilizing dishes by placing them, and a chloride salt such as sodium chloride or potassium chloride, or These chloride salts and a continuous electrolyzed water generator that electrolyzes water containing an alkaline compound that dissolves in water to generate alkaline water and acidic water, which are separately discharged from each water discharge pipe, and An alkaline water piping system that is piped from the alkaline water discharge pipe of the electrolyzed water generating device to the dishwashing and cleaning tank, and supplies the alkaline water generated by the electrolytic water generating device to the dishwashing and cleaning tank, and the acidic water of the electrolytic water generating device. And a sterilizing water piping system for piping the hypochlorous acid sterilizing water to the cleaning tank from the water discharge pipe to the dish washing tank.
【００１７】これら食器洗浄・殺菌装置の前記連続式電
解水生成装置はさらに、酸性水吐水管に、塩素発生電極
を使用した電解槽を介装し、前記電解水生成装置から生
成された電解酸性水に塩素が供給されるようにしてもよ
い。The continuous electrolyzed water producing apparatus of these dishwashing / sterilizing apparatus further comprises an electrolytic tank using a chlorine generating electrode in an acidic water discharge pipe, and the electrolytic acid produced by the electrolyzed water producing apparatus is further provided. The water may be supplied with chlorine.
【００１８】また、上記の装置に使用する食器洗浄槽
は、食器を搬送する搬送手段と、搬送手段の搬送系路上
流に臨むアルカリ水ノズルと、アルカリ水ノズルの下方
に設けられたアルカリ水貯溜室と、搬送系路下流に臨む
次亜塩素酸殺菌水ノズルと、この殺菌水ノズルの下方に
設けられた次亜塩素酸殺菌水貯溜室と、アルカリ水貯溜
室からの排水と次亜塩素酸殺菌水貯溜室からの水を混合
中和して排水する排水回路とを有するのがより好まし
い。The dishwashing tank used in the above-mentioned apparatus includes a conveying means for conveying dishes, an alkaline water nozzle facing the conveying system upstream of the conveying means, and an alkaline water reservoir provided below the alkaline water nozzle. Chamber, hypochlorous acid sterilizing water nozzle facing the downstream of the transport system, hypochlorous acid sterilizing water storage chamber provided below this sterilizing water nozzle, drainage water from the alkaline water storage chamber and hypochlorous acid It is more preferable to have a drainage circuit for mixing and neutralizing the water from the sterilizing water storage chamber and discharging the mixed water.
【００１９】さらに好ましくは、食器洗浄槽のアルカリ
水貯溜室からアルカリ水ノズルのアルカリ水回路に循環
回路を接続してもよい。More preferably, a circulation circuit may be connected from the alkaline water storage chamber of the dish washing tank to the alkaline water circuit of the alkaline water nozzle.
【００２０】[0020]
【発明の実施の形態】本発明の食器洗浄・殺菌方法の基
本的な実施の形態（請求項１）は、塩化ナトリウム、塩
化カリウムなどの塩化物塩を添加した水、又はこれら塩
化物塩と、水に溶けてアルカリ性を示す化合物とを添加
した水を有隔膜電解槽で電解した水を含むｐＨ１０〜１
２．５、好ましくは、ｐＨ１１．５〜１２．５の強アル
カリ水で食器の第１次洗浄を行うとともに、少なくとも
塩化ナトリウム、塩化カリウムなどの塩化物塩を添加し
た水を電解して得た水を含むｐＨ３〜７．５、好ましく
はｐＨ４〜７の次亜塩素酸殺菌水で前記食器の第２次殺
菌洗浄を行うものである。BEST MODE FOR CARRYING OUT THE INVENTION The basic embodiment (Claim 1) of the dishwashing / sterilizing method of the present invention is the addition of water containing a chloride salt such as sodium chloride or potassium chloride, or these chloride salts. , PH of 10 to 1 including water obtained by electrolyzing water with a compound that is soluble in water and exhibits alkalinity in a diaphragm electrolyzer
It was obtained by carrying out a primary washing of tableware with 2.5, preferably strong alkaline water having a pH of 11.5-12.5, and at the same time electrolyzing water to which chloride salts such as sodium chloride and potassium chloride were added. The tableware is secondarily sterilized and washed with hypochlorous acid sterilized water containing water having a pH of 3 to 7.5, preferably a pH of 4 to 7.
【００２１】上記により電解生成したｐＨ１０〜１２．
５の強アルカリ水は、油落し洗浄に優れた効果があり、
また、上記により電解生成したｐＨ３〜７．５の次亜塩
素酸殺菌水は、水中の遊離残留塩素の８０％〜１００％
が次亜塩素酸（ＨＣｌＯ）の形で存在するので強い殺菌
力がある。従って、上記の強アルカリ水で第１次洗浄を
行った後、上記の次亜塩素酸殺菌水で第２次洗浄を行う
と効率が良く、しかも、洗浄排水による環境汚染の少な
い食器の洗浄・殺菌ができる。The pH 10-12.
The strong alkaline water of 5 has an excellent effect on oil washing.
In addition, the electrolyzed hypochlorous acid sterilized water having a pH of 3 to 7.5 is 80% to 100% of free residual chlorine in water.
Exists in the form of hypochlorous acid (HClO), and has a strong bactericidal power. Therefore, it is efficient to perform the primary cleaning with the above strong alkaline water and then the secondary cleaning with the above-mentioned hypochlorous acid sterilizing water. Can be sterilized.
【００２２】本発明の食器洗浄に使用される上記ｐＨ１
０〜１２．５の強アルカリ水は、例えば下記の方法によ
って生成することができる。 （１）塩化ナトリウム、塩化カリウムなどの塩化物塩を
添加した水（塩化物塩水溶液）を有隔膜電解槽で電解
し、陰極室にｐＨ１０〜１２．５の強アルカリ水を生成
させる方法。 （２）塩化ナトリウム、塩化カリウムなどの塩化物塩
と、水に溶けてアルカリ性を示す化合物（例えば、メタ
ケイ酸ナトリウムなどのポリケイ酸塩、ケイ酸ナトリウ
ムなどのケイ酸塩、水酸化ナトリウム、水酸化カリウム
などの水酸化物塩、又はこれらの二種以上の混合物な
ど）とを添加した水を有隔膜電解槽で電解し、陰極室に
ｐＨ１０〜１２．５の強アルカリ水を生成させる方法。 （３）塩化ナトリウム、塩化カリウムなどの塩化物塩
と、水に溶けてアルカリ性を示す化合物添加した水を有
隔膜電解槽で電解し、得られた陰極室の電解アルカリ水
に前記に水に溶けてアルカリ性を示す化合物を添加して
ｐＨ１０〜１２．５の強アルカリ水に調合する方法。The above pH 1 used in the dishwashing of the present invention
The strong alkaline water of 0 to 12.5 can be produced, for example, by the following method. (1) A method in which water (chloride salt aqueous solution) to which chloride salts such as sodium chloride and potassium chloride are added is electrolyzed in a diaphragm electrolyzer to generate strong alkaline water having a pH of 10 to 12.5 in the cathode chamber. (2) Chloride salts such as sodium chloride and potassium chloride, and compounds that are alkaline when dissolved in water (for example, polysilicates such as sodium metasilicate, silicates such as sodium silicate, sodium hydroxide, and hydroxide). Water in which a hydroxide salt such as potassium, or a mixture of two or more thereof is added, is electrolyzed in a diaphragm electrolyzer to generate strong alkaline water having a pH of 10 to 12.5 in the cathode chamber. (3) Chloride salts such as sodium chloride and potassium chloride, and water containing a compound that dissolves in water and exhibits alkalinity are electrolyzed in a diaphragm electrolyzer, and the obtained electrolyzed alkaline water in the cathode chamber is dissolved in water as described above. Method of adding alkaline compound to prepare strong alkaline water of pH 10 to 12.5.
【００２３】他方、上記ｐＨ３〜７．５の次亜塩素酸殺
菌水を調整する方法には、少なくとも塩化ナトリウム、
塩化カリウムなどの塩化物塩を含む水を無隔膜電解処理
をして得た水を使用する場合と、有隔膜電解処理によっ
て得た酸性水を使用する場合がある。On the other hand, the method for adjusting the sterilized water of hypochlorous acid having a pH of 3 to 7.5 is at least sodium chloride,
There are cases where water obtained by subjecting a water containing a chloride salt such as potassium chloride to a non-diaphragm electrolysis treatment is used, and where there is use of acidic water obtained by a diaphragm electrolysis treatment.
【００２４】このうち、無隔膜電解処理をして得た水を
使用してｐＨ３〜７．５の次亜塩素酸殺菌水を調整する
方法にはさらに以下のような種々の実施形態がある。第
１は、請求項１のように、少なくとも塩化ナトリウム、
塩化カリウムなどの塩化物塩を添加した水を無隔膜電解
槽で電解してｐＨ３〜７．５の次亜塩素酸殺菌水を得る
方法である。Among these, there are various embodiments as follows in the method of adjusting sterilized water of hypochlorous acid having a pH of 3 to 7.5 by using water obtained by the electrolytic treatment without diaphragm. The first is, as in claim 1, at least sodium chloride,
This is a method of electrolyzing water containing a chloride salt such as potassium chloride in a non-diaphragm electrolytic cell to obtain hypochlorous acid sterilized water having a pH of 3 to 7.5.
【００２５】第２は、請求項２のように、少なくとも塩
化ナトリウム、塩化カリウムなどの塩化物塩を添加した
水を無隔膜電解槽で電解して得た水に、前記有隔膜電解
槽でｐＨ１０〜１２．５の強アルカリ水を生成する際に
同時に生成される酸性水と、水道水などの原水を混合し
てｐＨ３〜７．５の次亜塩素酸殺菌水を調合する方法で
ある。この方法は、次亜塩素酸殺菌水のｐＨ調整が容易
になり、且つ、前記強アルカリ水生成時の酸性水を利用
するので水の無駄がなくなるという利点がある。Secondly, as in claim 2, water obtained by electrolyzing water containing at least a chloride salt such as sodium chloride or potassium chloride in a diaphragmless electrolytic cell is added to water having a pH of 10 in the diaphragm electrolytic cell. It is a method of preparing hypochlorous acid sterilized water having a pH of 3 to 7.5 by mixing acidic water that is simultaneously generated when generating strong alkaline water of ˜12.5 and raw water such as tap water. This method has the advantages that the pH of the sterilized water of hypochlorous acid can be easily adjusted, and that the acidic water used when the strong alkaline water is generated is used, thus eliminating the waste of water.
【００２６】第３は、請求項３のように、塩化ナトリウ
ム、塩化カリウムなどの塩化物塩を添加した水、又はこ
れら塩化物塩と、水に溶けてアルカリ性を示す化合物と
を添加した水を有隔膜電解槽でｐＨ１０〜１２．５の強
アルカリ水と酸性水に電解するとともに、少なくとも塩
化ナトリウム、塩化カリウムなどの塩化物塩を添加した
水と、前記有隔膜電解槽で強アルカリ水を生成する際に
同時に生成される酸性水との混合水を無隔膜電解槽で電
解して得た水に、さらに水道水などの原水を混合してｐ
Ｈ３〜７．５の次亜塩素酸殺菌水を調合する方法であ
る。この場合の変形例として、無隔膜電解した水に、水
道水などの原水を混合するほか、さらに、前記有隔膜電
解によって得た酸性水の一部を混合してｐＨ３〜７．５
の次亜塩素酸殺菌水に調合してもよい。Thirdly, as in claim 3, water containing chloride salts such as sodium chloride and potassium chloride, or water containing these chloride salts and a compound exhibiting alkalinity in water is added. Along with electrolysis of strong alkaline water and acidic water having a pH of 10 to 12.5 in a diaphragm electrolyzer, water containing at least chloride salts such as sodium chloride and potassium chloride and strong alkaline water produced in the diaphragm electrolyzer. The water obtained by electrolyzing the mixed water with the acidic water which is generated at the same time in the diaphragmless electrolytic cell is further mixed with the raw water such as tap water to obtain p.
This is a method of preparing H3-7.5 hypochlorous acid sterilized water. As a modified example in this case, in addition to mixing raw water such as tap water with non-diaphragm electrolyzed water, a part of the acidic water obtained by the diaphragm electrolysis is further mixed to obtain a pH of 3 to 7.5.
It may be mixed with sterilized water of hypochlorous acid.
【００２７】次に、有隔膜電解処理によって得られる陽
極側の電解水を使用してｐＨ３〜７．５の次亜塩素酸殺
菌水を生成する方法には、例えば、次の方法がある。 （１）塩化ナトリウム、塩化カリウムなどの塩化物塩を
添加した水又は、塩化ナトリウム、塩化カリウムなどの
塩化物塩と水に溶けてルカリ性を示す化合物を添加した
水を有隔膜電解槽で電解して陰極室側にアルカリ水を生
成すると同時に、陽極室側にｐＨ３〜７．５の次亜塩素
酸殺菌水を生成する方法。 （２）塩化ナトリウム、塩化カリウムなどの塩化物塩を
添加した水又は、塩化ナトリウム、塩化カリウムなどの
塩化物塩と水に溶けてアルカリ性を示す化合物を添加し
た水を有隔膜電解槽で電解して陰極室側にアルカリ水を
生成するとともに、陽極室側に生成される電解水に前記
陰極室に生成されたアルカリ水の一部を添加してｐＨ３
〜７．５の次亜塩素酸殺菌水に調整する方法。 なお、上記（１）、（２）のいずれの場合も、有隔膜電
解槽での電解の際に生成される陰極室側のアルカリ水
は、電解の時点でｐＨ１０〜１２．５に生成してもよ
く、また、陰極室から生成された電解後の水に前記水に
溶けてアルカリ性を示す化合物を添加してｐＨ１０〜１
２．５の強アルカリ水に調整してもよい。Next, there is, for example, the following method for producing hypochlorous acid sterilized water of pH 3 to 7.5 using the electrolyzed water on the anode side obtained by the diaphragm electrolysis treatment. (1) Electrolysis of water containing chloride salts such as sodium chloride and potassium chloride or water containing chloride salts such as sodium chloride and potassium chloride and a compound exhibiting rucality when dissolved in a diaphragm electrolyzer. Then, at the same time that alkaline water is generated on the cathode chamber side, hypochlorous acid sterilized water having a pH of 3 to 7.5 is generated on the anode chamber side. (2) Electrolyze water in which a chloride salt such as sodium chloride or potassium chloride is added, or water in which a chloride salt such as sodium chloride or potassium chloride and a compound that dissolves in water and exhibits alkalinity are added, in a diaphragm electrolyzer. To generate alkaline water on the cathode chamber side, and to add pH 3 to the electrolyzed water generated on the anode chamber side by adding a part of the alkaline water generated on the cathode chamber side.
Method of adjusting to hypochlorous acid sterilized water of ~ 7.5. In any of the above cases (1) and (2), the alkaline water on the cathode chamber side generated during electrolysis in the diaphragm electrolyzer is produced at pH 10 to 12.5 at the time of electrolysis. It is also possible to add a compound that dissolves in the water and exhibits alkalinity to the electrolyzed water generated from the cathode chamber to adjust the pH to 10 to 1
You may adjust to the strong alkaline water of 2.5.
【００２８】このように、本発明の洗浄・殺菌方法にお
いて、有隔膜電解槽によって油落し用の強アルカリ水と
殺菌用の次亜塩素酸殺菌水を同時に生成するには上記
（１）、（２）の方法があるが、（１）の方法がより有
利である。その理由は、（２）の場合は、有隔膜電解槽
で生成したアルカリ水の一部が次亜塩素酸殺菌水の調整
のために消費されるため、洗浄用の強アルカリ水と殺菌
用の次亜塩素酸水の生成流量比率が変化してしまい、設
定した流量比で食器の強アルカリ水洗浄と次亜塩素酸水
による殺菌を行いたい場合に不都合が生ずるのに対し、
上記（１）の場合は、主として、塩化カリウムなどの塩
化物塩に加えて、さらに、水に溶けてアルカリ性を示す
化合物を添加して有隔膜電解することにより、陽極室に
はじめからｐＨ３〜７．５の次亜塩素酸を生成し、これ
により、流量比率を変化させないで、目的のｐＨの水を
供給できるからである。As described above, in the cleaning / sterilizing method of the present invention, in order to simultaneously generate the strong alkaline water for removing oil and the sterilizing hypochlorous acid sterilizing water by the diaphragm electrolyzer, the above (1), ( The method (2) is available, but the method (1) is more advantageous. The reason is that in the case of (2), a part of the alkaline water generated in the diaphragm electrolyzer is consumed for adjusting the hypochlorous acid sterilizing water, so that strong alkaline water for washing and sterilizing water are used. While the generation flow rate of hypochlorous acid water changes, inconvenience occurs when you want to wash dishes with strong alkaline water and sterilize with hypochlorous acid water at the set flow rate ratio,
In the case of the above (1), mainly in addition to a chloride salt such as potassium chloride, a compound that dissolves in water and exhibits alkalinity is added to perform diaphragm electrolysis, so that the pH of the anode chamber is 3 to 7 from the beginning. This is because it is possible to supply water having a target pH without changing the flow rate ratio by generating hypochlorous acid of 0.5.
【００２９】上記の有隔膜電解処理は、塩化物塩又は塩
化物塩と水に溶けてアルカリ性を示す化合物を添加した
水を、電解槽の両電極室の供給水に添加して電解しても
よいが、陽極室だけに上記の薬液添加水を導入し、陰極
室には水道水などの普通の水を導入して電解してもよ
い。In the above-described diaphragm electrolysis treatment, chloride salt or water containing a chloride salt and a compound exhibiting alkalinity dissolved in water is added to the feed water of both electrode chambers of the electrolytic cell to electrolyze. It is good, however, that the above-mentioned chemical solution-added water may be introduced only into the anode chamber and ordinary water such as tap water may be introduced into the cathode chamber for electrolysis.
【００３０】上記各々の洗浄・殺菌方法において、水に
溶けてアルカリ性を示す化合物の好ましい例としては、
メタケイ酸ナトリウムなどのポリケイ酸塩、ケイ酸ナト
リウムなどのケイ酸塩、水酸化ナトリウム、水酸化カリ
ウムなどの水酸化物塩、又はこれらの二種以上の混合物
を挙げることができる。これらの化合物は食品への添加
が認められており、食器類の洗浄殺菌に使用しても害の
ないものである。In each of the above washing and sterilizing methods, preferred examples of the compound which is soluble in water and exhibits alkalinity are:
Mention may be made of polysilicates such as sodium metasilicate, silicates such as sodium silicate, hydroxide salts such as sodium hydroxide and potassium hydroxide, or mixtures of two or more thereof. These compounds have been approved for addition to foods and are harmless when used for cleaning and sterilizing tableware.
【００３１】次に、添付図面を参照して本発明の食器洗
浄・殺菌装置を説明する。図１は本発明による食器洗浄
・殺菌装置の一つの実施形態を示すもので、特に、請求
項５及び７の方法の実施に用いられる装置を例示してい
る。すなわち、図１の食器洗浄・殺菌装置は、洗浄対象
の食器等を入れて洗浄・殺菌を行う食器洗浄槽１と、こ
の食器洗浄槽１に供給されるｐＨ１０〜１２．５の強ア
ルカリ水とｐＨ３〜７．５の次亜塩素酸殺菌水を生成す
る連続式電解水生成装置２と、この電解水生成装置２の
電解槽１０で電解される水に、前記塩化物塩、又は塩化
物塩と水に溶けてアルカリ性を示す化合物を添加するた
めの溶液タンク７と、連続式電解水生成装置２で生成さ
れた強アルカリ水を前記食器洗浄槽１に供給するアルカ
リ水配管系３と、前記電解水生成装置２で生成された酸
性水と前記アルカリ水を混合して次亜塩素酸殺菌水に調
製する調合部４と、この調合部４から前記食器洗浄槽１
に次亜塩素酸殺菌水を供給する殺菌水配管系５を備えて
いる 。Next, the dishwashing / sterilizing apparatus of the present invention will be described with reference to the accompanying drawings. FIG. 1 shows one embodiment of the dishwashing and sterilizing device according to the invention, in particular exemplifying the device used for carrying out the method of claims 5 and 7. That is, the dishwashing / sterilizing apparatus shown in FIG. 1 includes a dishwashing tank 1 for washing and sterilizing dishes to be washed, and strong alkaline water having a pH of 10 to 12.5 supplied to the dishwashing tank 1. The chloride salt or the chloride salt is added to the continuous electrolyzed water generator 2 for generating hypochlorous acid sterilized water having a pH of 3 to 7.5 and the water electrolyzed in the electrolyzer 10 of the electrolyzed water generator 2. And a solution tank 7 for adding a compound that dissolves in water and exhibits alkalinity, an alkaline water piping system 3 for supplying the strong alkaline water generated by the continuous electrolyzed water generator 2 to the dish washing tank 1, and A mixing section 4 for mixing the acidic water generated by the electrolyzed water generating apparatus 2 and the alkaline water to prepare hypochlorous acid sterilizing water, and the mixing section 4 to the dish washing tank 1
The sterilizing water piping system 5 for supplying hypochlorous acid sterilizing water is provided.
【００３２】図１の連続式電解水生成装置２は、異極性
の電極１１、１２間を電解隔膜１３で一対の電極室１
４、１５に仕切った有隔膜電解槽１０を使用し、給水管
６からの水に溶液タンク７からの塩化ナトリウム、塩化
カリウムなどの塩化物塩、又はこれら塩化物塩と水に溶
けてアルカリ性を示す化合物または溶液を添加した水を
有隔膜電解槽１０の一側から導入して電解し、生成した
アルカリ水と酸性水を一対の吐水管路８、９から各別に
排出するようになっている。In the continuous electrolyzed water producing apparatus 2 of FIG. 1, a pair of electrode chambers 1 is provided between the electrodes 11 and 12 of opposite polarities by an electrolytic diaphragm 13.
Using the diaphragm electrolyzer 10 divided into 4 and 15, the water from the water supply pipe 6 is dissolved in chloride salts such as sodium chloride and potassium chloride from the solution tank 7 or these chloride salts and water to make it alkaline. Water to which the compound or solution shown is added is introduced from one side of the diaphragm electrolyzer 10 to electrolyze, and the generated alkaline water and acidic water are separately discharged from the pair of water discharge conduits 8 and 9. .
【００３３】図１の実施形態では、溶液タンク７からの
前記溶液を給水管６の共通本管に接続して有隔膜電解槽
１０の両電極室１４、１５に前記薬液添加水（薬液水溶
液）を給水するようになっているが、溶液タンク７の配
管を陽極室１４の給水支管に接続して前記薬液添加水が
陽極室１４だけに供給され、陰極室１５には水道水など
の通常の水が給水されるようにしてもよい。In the embodiment of FIG. 1, the solution from the solution tank 7 is connected to the common main pipe of the water supply pipe 6 and the chemical solution-added water (chemical solution) is supplied to both electrode chambers 14 and 15 of the diaphragm electrolyzer 10. Although the pipe of the solution tank 7 is connected to the water supply branch pipe of the anode chamber 14, the chemical solution-added water is supplied only to the anode chamber 14, and the cathode chamber 15 is supplied with normal water such as tap water. Water may be supplied.
【００３４】有隔膜電解槽１０が、電極の極性を交互に
逆転して電解を行う逆電式電解槽である場合は一対の吐
水管路８、９に流路切換弁３７を介装し、有隔膜電解槽
１０の電極の極性を切換えたときに吐水管路８、９の流
路が切換わるようにする。When the diaphragm electrolysis cell 10 is a reverse electrolysis cell in which the polarities of the electrodes are alternately reversed to perform electrolysis, a pair of water discharge conduits 8 and 9 are provided with a flow path switching valve 37. When the polarities of the electrodes of the diaphragm electrolyzer 10 are switched, the flow paths of the water discharge conduits 8 and 9 are switched.
【００３５】電解水生成装置２のアルカリ水吐水管路８
には流量調整弁１６、アルカリ水タンク１７等を介装し
たアルカリ水配管系３が接続され、その先端は前記食器
洗浄槽１に配管されている。Alkaline water discharge pipe 8 of electrolyzed water generator 2
An alkaline water piping system 3 having a flow rate adjusting valve 16, an alkaline water tank 17 and the like interposed therein is connected to, and the tip thereof is piped to the dish washing tank 1.
【００３６】他方、電解水生成装置２のアルカリ水吐水
管路８と酸性水吐水管９には、アルカリ水吐水管路８か
ら分岐させた支管路８’を介して、アルカリ水吐水管路
８の水の一部を酸性水吐水管路９の水に混合し、これに
より、次亜塩素酸殺菌水を調製する調合部４が接続され
ている。図１の実施例は、調合部４のアルカリ水支管路
８´と酸性水吐水管路９の合流部上流側に流量調整弁１
８、１９を設け、両管路８、９の流量調整ができるよう
にするとともに、合流部下流側に、混合調製したｐＨ３
〜７．５の次亜塩素酸殺菌水のタンク２０を設けてあ
る。On the other hand, the alkaline water discharge pipe 8 and the acidic water discharge pipe 9 of the electrolyzed water producing apparatus 2 are connected to the alkaline water discharge pipe 8 through a branch pipe 8 ′ branched from the alkaline water discharge pipe 8. A part of the water is mixed with the water in the acidic water discharge pipe line 9 to connect the mixing section 4 for preparing hypochlorous acid sterilized water. In the embodiment of FIG. 1, the flow rate adjusting valve 1 is provided on the upstream side of the confluence of the alkaline water branch line 8 ′ and the acidic water spouting line 9 of the mixing section 4.
8 and 19 are provided so that the flow rates of both pipes 8 and 9 can be adjusted, and the mixed and adjusted pH 3 is provided on the downstream side of the merging portion.
A tank 20 of sterilized hypochlorous acid water of ~ 7.5 is provided.
【００３７】次亜塩素酸殺菌水調合部４のタンク２０と
食器洗浄槽１の間には、調合した次亜塩素酸殺菌水を前
記食器洗浄槽１に供給するための殺菌水配管系５が配管
されている。Between the tank 20 of the hypochlorous acid sterilizing water preparation section 4 and the dish washing tank 1, a sterilizing water piping system 5 for supplying the prepared hypochlorous acid sterilizing water to the dish washing tank 1 is provided. It is plumbed.
【００３８】食器洗浄槽１は食器２１を乗せて移動させ
るベルトコンベア等の搬送手段２２を内蔵しているとと
もに、前記アルカリ水配管系３の先端のアルカリ水ノズ
ル２３と前記殺菌水配管系５の先端の殺菌水ノズル２４
が搬送手段２２上の食器２１に向くようにして組み付け
られている。The dish washing tank 1 has a built-in conveying means 22 such as a belt conveyor for placing and moving the dishes 21, and the alkaline water nozzle 23 at the tip of the alkaline water piping system 3 and the sterilizing water piping system 5 are installed. Sterilizing water nozzle 24 at the tip
Are assembled so as to face the tableware 21 on the conveying means 22.
【００３９】図の実施例では、アルカリ水配管系３の先
端のアルカリ水ノズル２３は食器洗浄槽１の搬送手段２
２の上流側に向け取付けられており、このアルカリ水ノ
ズル２３の下方にアルカリ水貯溜室２５が設けられてい
る。また、殺菌水配管系５の先端の殺菌水ノズル２４は
食器洗浄槽１の搬送手段２２の下流側に向けて取付けら
れており、この殺菌水ノズル２４の下方に殺菌水貯溜室
２６が設けらている。In the illustrated embodiment, the alkaline water nozzle 23 at the tip of the alkaline water piping system 3 is the conveying means 2 of the dish washing tank 1.
The alkaline water storage chamber 25 is provided below the alkaline water nozzle 23. A sterilizing water nozzle 24 at the tip of the sterilizing water pipe system 5 is attached toward the downstream side of the conveying means 22 of the dish washing tank 1, and a sterilizing water storage chamber 26 is provided below the sterilizing water nozzle 24. ing.
【００４０】アルカリ水貯溜室２５と殺菌水貯溜室２６
はそれぞれドレン２７への排水管２８、２９を備えてい
るとともに、これら両貯溜室２５、２６の排水管２８、
２９を中和合流槽３０に合流させ、ドレン２７への排水
が中和され、好ましくは中性となって排水されるように
してある。尚、排水管２８、２９からの排水は図のよう
にオーバフロー部材３６を介して排出されるようにして
ある。Alkaline water storage chamber 25 and sterilized water storage chamber 26
Has drain pipes 28 and 29 to the drain 27, respectively, and drain pipes 28 and 29 of these storage chambers 25 and 26, respectively.
29 is merged with the neutralization merging tank 30 so that the drainage to the drain 27 is neutralized and preferably neutralized for drainage. The drainage water from the drainage pipes 28 and 29 is discharged through the overflow member 36 as shown in the figure.
【００４１】図の実施例ではアルカリ水配管系３はアル
カリ水貯溜室２５に連通する枝管３１を有し、アルカリ
水がアルカリ水貯溜室２５にも供給されるようにしてあ
る。また、アルカリ水貯溜室２５からアルカリ水ノズル
２３に連通する循環回路３２を設け、アルカリ水貯溜室
２５のアルカリ水が再利用されるようにしてある。In the illustrated embodiment, the alkaline water piping system 3 has a branch pipe 31 communicating with the alkaline water storage chamber 25 so that the alkaline water is also supplied to the alkaline water storage chamber 25. Further, a circulation circuit 32 that communicates with the alkaline water nozzle 23 from the alkaline water storage chamber 25 is provided so that the alkaline water in the alkaline water storage chamber 25 can be reused.
【００４２】アルカリ水配管系３及び殺菌水配管系５
は、図のように、食器洗浄槽１になるべく近い位置にヒ
ータ３３を設け、水温を６０゜〜８０゜Ｃ程度に加温し
て供給するのが望ましい。Alkaline water piping system 3 and sterilizing water piping system 5
As shown in the figure, it is desirable to provide a heater 33 at a position as close as possible to the dish washing tank 1 to heat the water temperature to about 60 ° to 80 ° C and supply it.
【００４３】図１の食器洗浄・殺菌装置は、本願請求項
５、７のように、電解生成されたアルカリ水の一部を電
解生成酸性水に混合してｐＨ３〜７．５の次亜塩素酸水
を調整する場合に使用されるもので、このために前記調
合部４を備えている。他方、図２の装置は、本願請求項
４及び６のように、電解アルカリ水の一部を酸性水に混
合しないで、電解により直接ｐＨ３〜７．５の次亜塩素
酸殺菌水を生成し、この次亜塩素酸殺菌水を食器洗浄槽
１に供給して第２次殺菌洗浄に供するものである。この
ため、図１の装置から調合部４を取り除いたもので、そ
の他の構成は図１と同様である。In the dishwashing / sterilizing apparatus of FIG. 1, hypochlorite having a pH of 3 to 7.5 is prepared by mixing a part of the electrolytically produced alkaline water with the electrolytically produced acidic water as claimed in claims 5 and 7. It is used when adjusting acid water, and for this purpose, the mixing section 4 is provided. On the other hand, the apparatus of FIG. 2 directly generates hypochlorous acid sterilized water having a pH of 3 to 7.5 by electrolysis without mixing a part of the electrolytic alkaline water with the acidic water as in claims 4 and 6 of the present application. The hypochlorous acid sterilized water is supplied to the dish washing tank 1 for secondary sterilization cleaning. Therefore, the mixing unit 4 is removed from the apparatus of FIG. 1 and the other configurations are similar to those of FIG.
【００４４】図３は、本発明による食器洗浄・殺菌装置
における電解水生成装置のさらに別の実施形態を示すも
ので、この電解水生成装置は、有隔膜電解槽１０の酸性
水吐水管９に塩素発生電極１１´、１２´を電解電極と
する無隔膜の塩素発生電解槽３８を介装し、酸性水吐水
管９の酸性水に塩素を発生させるようにしたものであ
る。塩素発生電極の材質としては、例えば、チタンに白
金とイリジウムをコーティングしたものが挙げられる。
この電極材質は、陰極・陽極両用に使用できるので、所
望時間毎に印加電圧の極性を逆転して使用してもよい。FIG. 3 shows still another embodiment of the electrolyzed water producing apparatus in the dishwashing / sterilizing apparatus according to the present invention. This electrolyzed water producing apparatus is provided in the acidic water discharge pipe 9 of the diaphragm electrolyzer 10. A chlorine-generating electrolysis tank 38 having no diaphragm, which uses the chlorine-generating electrodes 11 'and 12' as electrolytic electrodes, is interposed to generate chlorine in the acidic water of the acidic water discharge pipe 9. Examples of the material of the chlorine generating electrode include titanium coated with platinum and iridium.
Since this electrode material can be used for both the cathode and the anode, the polarity of the applied voltage may be reversed every desired time.
【００４５】塩素発生電極は酸性水吐水管９の酸性水全
部を通して塩素発生電解を行ってもよいが、図３のよう
に、流量比率調節弁３９を介したバイパス４０に塩素発
生電解槽３８を配設し、流量比率調節弁３９により、酸
性水吐水管９の酸性水の一部を塩素発生電解槽３８で電
解し、得られた塩素補給酸性水を塩素補給をしない酸性
水に混合してもよい。The chlorine generation electrode may perform chlorine generation electrolysis through all the acidic water in the acidic water discharge pipe 9, but as shown in FIG. 3, the chlorine generation electrolyzer 38 is provided in the bypass 40 via the flow rate control valve 39. A part of the acidic water in the acidic water discharge pipe 9 is electrolyzed in the chlorine generation electrolyzer 38 by the flow rate adjusting valve 39, and the obtained chlorine-supplemented acidic water is mixed with the chlorine-unsupplemented acidic water. Good.
【００４６】必要により、アルカリ水吐水管８から酸性
水吐水管９に水の分配管路４１を配管し、アルカリ水の
一部を酸性水に混合するようにしてもよい。If necessary, a water distribution pipe 41 may be provided from the alkaline water discharge pipe 8 to the acidic water discharge pipe 9 to mix a part of the alkaline water with the acidic water.
【００４７】なお、図は省略したが、アルカリ水吐水管
８と酸性水吐水管９の先端は図１、図２と同様に、食器
洗浄槽１に供給される。Although not shown, the tips of the alkaline water discharge pipe 8 and the acidic water discharge pipe 9 are supplied to the dish washing tank 1 as in FIGS. 1 and 2.
【００４８】図３のように、酸性水吐水管９に塩素発生
電解槽３８を設け、前記有隔膜電解槽１０の陽極室１４
から排出される酸性水の全部又は一部に塩素を発生させ
ると、殺菌水の次亜塩素濃度を安定させるのに役立つほ
か、塩素発生電極１１´、１２´による電解で酸性水の
ｐＨ値が上昇するのでｐＨ４程度の酸性水を得やすくな
る。As shown in FIG. 3, a chlorine generation electrolyzer 38 is provided in the acidic water discharge pipe 9, and the anode chamber 14 of the diaphragm electrolyzer 10 is provided.
When chlorine is generated in all or part of the acidic water discharged from the water, it helps stabilize the hypochlorous concentration of the sterilizing water, and the pH value of the acidic water can be changed by electrolysis with the chlorine generating electrodes 11 'and 12'. Since it rises, it becomes easy to obtain acidic water of about pH 4.
【００４９】尚、電解生成したアルカリ水と酸性水の混
合手段は比率バルブ、ポンプ（好ましくは定量ポン
プ）、オリフィスその他公知のいかなる方法を用いても
よい。As a means for mixing the electrolytically generated alkaline water and the acidic water, a ratio valve, a pump (preferably a metering pump), an orifice or any other known method may be used.
【００５０】図４は、本発明の食器洗浄・殺菌に使用す
るｐＨ１０〜１２．５の強アルカリ水とｐＨ３〜７．５
の次亜塩素酸殺菌水を各種の方法で調製できる連続通水
式の電解水生成装置を示すものである。この電解水生成
装置２は、有隔膜電解槽１０と、無隔膜電解槽４２と、
前記塩化物塩、又はこれら塩化物塩と前記水に溶けてア
ルカリ性を示す化合物の水溶液を供給する薬液タンク７
を備えている。FIG. 4 shows strong alkaline water having a pH of 10 to 12.5 and pH 3 to 7.5 used for washing and sterilizing the dishes of the present invention.
2 shows a continuous water flow type electrolyzed water generator capable of preparing the sterilized water of hypochlorous acid by various methods. This electrolyzed water producing apparatus 2 includes a diaphragm electrolysis tank 10, a non-diaphragm electrolysis tank 42,
A chemical tank 7 for supplying the chloride salt or an aqueous solution of the chloride salt and a compound showing alkalinity in the water.
It has.
【００５１】有隔膜電解槽１０は、給水管６から供水さ
れる水に薬液タンク７からの前記薬液を添加して電解
し、陰極室に通じるアルカリ水吐管８から電解アルカリ
水を排出し、陽極室に通じる酸性水吐水管９から電解酸
性水を排出する。The diaphragm electrolyzer 10 adds the above-mentioned chemical solution from the chemical solution tank 7 to the water supplied from the water supply pipe 6 to electrolyze, and discharges the electrolyzed alkaline water from the alkaline water discharge pipe 8 leading to the cathode chamber, Electrolytic acidic water is discharged from the acidic water discharge pipe 9 leading to the anode chamber.
【００５２】無隔膜電解槽４２は、前記塩化物塩を添加
した水（塩化物塩水溶液）を電解して次亜塩素酸水を排
出するとともに、給水管６から分岐した給水枝管４３が
バルブ４４を介して無隔膜電解槽４２の排水側の混合室
４５に接続されている。The non-diaphragm electrolyzer 42 electrolyzes the chloride salt-added water (chloride salt aqueous solution) to discharge hypochlorous acid water, and the water supply branch pipe 43 branched from the water supply pipe 6 is a valve. It is connected via 44 to the mixing chamber 45 on the drain side of the diaphragmless electrolytic cell 42.
【００５３】また、有隔膜電解槽１０の酸性水吐水管９
は、酸性水タンク４６を経由し、前記無隔膜電解槽４２
の給水側と排水側混合室４５にバルブ４７、４８を介し
て接続されている。The acidic water discharge pipe 9 of the diaphragm electrolyzer 10
Is passed through the acidic water tank 46 and passes through the diaphragmless electrolytic cell 42.
Are connected to the water supply side and the drain side mixing chamber 45 via valves 47 and 48.
【００５４】かくして、図４の電解水生成装置２は、請
求項１のように、有隔膜電解槽１０の陰極室に生成され
るｐＨ１０〜１２．５の強アルカリ水を食器の洗浄水と
して供給するとともに、無隔膜電解槽４２から生成され
るｐＨ３〜７．５の次亜塩素酸水を前記食器の殺菌水と
して供給することができる。Thus, the electrolyzed water producing apparatus 2 of FIG. 4 supplies strong alkaline water having a pH of 10 to 12.5 produced in the cathode chamber of the diaphragm electrolyzer 10 as washing water for dishes as in claim 1. In addition, the hypochlorous acid water having a pH of 3 to 7.5 generated from the diaphragmless electrolyzer 42 can be supplied as sterilizing water for the tableware.
【００５５】また、有隔膜電解槽１０の陰極室でｐＨ１
０〜１２．５の強アルカリ水を生成するとともに、無隔
膜電解槽４２の給水側及び／又は排水側混合室４５に、
給水管６からの原水もしくは前記有隔膜電解槽１０で生
成した酸性水を選択的に給水して請求項２及び３の各方
法によるｐＨ３〜７．５の次亜塩素酸殺菌水を生成こと
ができる。Also, in the cathode chamber of the diaphragm electrolyzer 10, pH 1
While generating 0 to 12.5 strong alkaline water, in the water supply side and / or drain side mixing chamber 45 of the diaphragmless electrolyzer 42,
It is possible to selectively supply raw water from the water supply pipe 6 or acidic water produced in the diaphragm electrolyzer 10 to produce hypochlorous acid sterilized water of pH 3 to 7.5 according to each of the methods of claims 2 and 3. it can.
【００５６】さらに、有隔膜電解槽１０だけを使用し
て、陰極室からｐＨ１０〜１２．５強アルカリ水を供給
するとともに、陽極室からｐＨ３〜７．５の次亜塩素酸
殺菌水を供給することができる。Further, by using only the diaphragm electrolyzer 10, strong alkaline water of pH 10 to 12.5 is supplied from the cathode chamber, and sterilized hypochlorous acid water of pH 3 to 7.5 is supplied from the anode chamber. be able to.
【００５７】なお、有隔膜電解槽１０で生成した酸性水
の一部はタンク４６から食器洗浄槽１の強アルカリ水洗
浄後の排水に混合して中和液として利用することができ
る。A part of the acidic water produced in the diaphragm electrolyzer 10 can be used as a neutralizing liquid by mixing it from the tank 46 with the waste water after the strong alkaline water washing in the dish washing tank 1.
【００５８】図４に示すように、無隔膜電解槽４２の給
水側にｐＨ調整液タンク４９から塩酸などの無機酸又は
水酸化物塩の溶液をｐＨ調整液として添加してもよい。As shown in FIG. 4, a solution of an inorganic acid such as hydrochloric acid or a hydroxide salt may be added as a pH adjusting liquid from the pH adjusting liquid tank 49 to the water supply side of the diaphragmless electrolytic cell 42.
【００５９】尚、図中、Ｐはポンプ、３４は逆止弁、３
５はバルブを示している。In the figure, P is a pump, 34 is a check valve, 3
Reference numeral 5 indicates a valve.
【００５２】[0052]
【実施例】次に、電解槽１０で生成したアルカリ水と酸
性水を混合して次亜塩素酸殺菌水に調製する実施例を以
下に示す。 実施例１ 食器洗浄槽１にアルカリ水と殺菌水を１対１の割合で供
給するときは、電解槽１０からｐＨ１１のアルカリ水４
リットルとｐＨ２．５の酸性水が生成されるようにする
とともに、生成されたアルカリ水４リットルのうち１リ
ットルを酸性水に混合すると、ｐＨ５の次亜塩素酸殺菌
水３リットルが調製され、食器洗浄槽１にｐＨ１１のア
ルカリ水とｐＨ５の殺菌水が３リットルづつの割合で供
給される。EXAMPLE Next, an example of mixing alkaline water and acidic water produced in the electrolytic cell 10 to prepare hypochlorous acid sterilized water is shown below. Example 1 When supplying alkaline water and sterilizing water to the dish washing tank 1 at a ratio of 1: 1, the alkaline water 4 having a pH of 11 from the electrolytic cell 10 was used.
1 liter of 4 liters of the generated alkaline water is mixed with acidic water, and 3 liters of hypochlorous acid sterilized water of pH 5 is prepared. Alkaline water having a pH of 11 and sterilizing water having a pH of 5 are supplied to the cleaning tank 1 at a rate of 3 liters.
【００６０】実施例２ 食器洗浄槽１にアルカリ水と殺菌水を１対２の割合で供
給するときは、電解槽１０からｐＨ１１のアルカリ水３
リットルとｐＨ２．５の酸性水３リットルが生成される
ようにするとともに、生成されたアルカリ水３リツトル
のうち１リットルを酸性水に混合すると、ｐＨ４の次亜
塩素酸殺菌水４リットルが調製され、食器洗浄槽１にｐ
Ｈ１１のアルカリ水２リットルとｐＨ４の殺菌水４リッ
トルが１対２の割合で供給される。Example 2 When alkaline water and sterilizing water were supplied to the dish washing tank 1 at a ratio of 1: 2, the alkaline water 3 having a pH of 11 was supplied from the electrolytic cell 10.
1 liter of 3 liters of the generated alkaline water was mixed with acidic water, and 4 liters of hypochlorous acid sterilized water of pH 4 was prepared. , P in dishwashing tank 1
2 liters of H11 alkaline water and 4 liters of pH 4 sterilized water are supplied at a ratio of 1: 2.
【００６１】次に、本発明による上記実施例の作用を説
明する。塩化ナトリウム等を添加した水を電解槽１０で
電解することにより、ｐＨ１０〜１２．５のアルカリ水
とｐＨ２〜３の酸性水が生成され、アルカリ水は食器洗
浄槽１の搬送手段２２上流側に供給され、食器の１次洗
浄が行われる。Next, the operation of the above embodiment according to the present invention will be described. By electrolyzing water added with sodium chloride or the like in the electrolytic bath 10, alkaline water having a pH of 10 to 12.5 and acidic water having a pH of 2 to 3 are generated, and the alkaline water is provided on the upstream side of the conveying means 22 of the dish washing tank 1. It is supplied and the dishes are subjected to primary cleaning.
【００６２】他方、電解槽１０から生成された酸性水は
前記アルカリ水の一部と合流混合されて、ｐＨ３〜７．
５の次亜塩素酸殺菌水に調製された後、食器洗浄槽１の
搬送手段２２下流側に供給され、前記食器の２次の洗浄
・殺菌が行われる。On the other hand, the acidic water generated from the electrolytic cell 10 is mixed and mixed with a part of the alkaline water to have a pH of 3 to 7.
After being prepared into the hypochlorous acid sterilizing water of No. 5, it is supplied to the downstream side of the conveying means 22 of the dish washing tank 1, and the dish is secondarily washed and sterilized.
【００６３】[0063]
【効果】本発明は電解により生成した強アルカリ水と次
亜塩素酸殺菌水を使用して食器の洗浄・殺菌を行うの
で、洗浄排水に有害な物質が残らない。従って、洗剤を
使用する従来の方法に比較して洗浄排水による環境汚染
が著しく改善される。[Effect] According to the present invention, since the tableware is washed and sterilized by using the strong alkaline water generated by electrolysis and the sterilized water of hypochlorous acid, no harmful substances remain in the washing water. Therefore, environmental pollution due to washing wastewater is significantly improved as compared with the conventional method using a detergent.
【００６４】ｐＨ１０〜１２．５、特に、ｐＨ１１以上
の強アルカリ水は食器の油落しに顕著な洗浄効果があ
り、ｐＨ３〜７．５、特に、ｐＨ４〜７の次亜塩素酸水
は殺菌効果が優れている。また、電解水生成装置で前記
強アルカリ水と次亜塩素酸殺菌水を同時に生成して供給
するので効率のよい食器の洗浄・殺菌効果が得られる。Strong alkaline water having a pH of 10 to 12.5, especially pH 11 or more, has a remarkable cleaning effect on oil removal of tableware, and hypochlorous acid water having a pH of 3 to 7.5, especially pH 4 to 7, has a bactericidal effect. Is excellent. Further, since the strong alkaline water and the hypochlorous acid sterilizing water are simultaneously produced and supplied by the electrolyzed water producing device, an efficient dishwashing / sterilizing effect can be obtained.
【００６５】従来、アルカリ水専用電解水生成装置から
排水される酸性水は不要なものとして捨てられていた
が、本発明では酸性水が次亜塩素酸殺菌水の生成に利用
されるので水に無駄がなく、経済的である。Conventionally, the acidic water discharged from the electrolyzed water generator for exclusive use of alkaline water was discarded as unnecessary, but in the present invention, since the acidic water is used for generating hypochlorous acid sterilizing water, it is converted into water. It is lean and economical.
【００６６】アルカリ水と次亜塩素酸殺菌水の利用済み
排水が混合中和されるので、排水を中性にして、次亜塩
素酸がなくなるくらいに濃度を調整してドレンへ排水す
ることができる。Since the used wastewater of the alkaline water and the hypochlorous acid sterilized water is mixed and neutralized, it is possible to neutralize the wastewater and adjust the concentration so that the hypochlorous acid is eliminated, and then discharge it to the drain. it can.
【００６７】塩化ナトリウム等の塩化物塩に加えて、水
に溶けてアルカリ性を示す化合物を使用することによ
り、一次洗浄用の強アルカリ水と２次洗浄・殺菌用の次
亜塩素酸殺菌水を所定の流量比率で確保することが可能
になる。In addition to chloride salts such as sodium chloride, by using a compound that dissolves in water and exhibits alkalinity, strong alkaline water for primary washing and hypochlorous acid sterilizing water for secondary washing / sterilization are used. It becomes possible to ensure the flow rate at a predetermined ratio.
【００６８】電解生成した酸性水に塩素を発生させるこ
とにより、殺菌水の次亜塩素酸濃度が安定し、また、次
亜塩素酸殺菌水のｐＨをｐＨ３〜７．５に上げやすくな
る。By generating chlorine in the electrolyzed acidic water, the concentration of hypochlorous acid in sterilized water is stabilized, and the pH of sterilized hypochlorous acid water is easily increased to pH 3 to 7.5.
【図１】 本発明の食器洗浄・殺菌装置の一実施形態を
示す概略構成図FIG. 1 is a schematic configuration diagram showing an embodiment of a dishwashing / sterilizing apparatus of the present invention.
【図２】 本発明の食器洗浄・殺菌装置の他の実施形態
を示す概略構成図FIG. 2 is a schematic configuration diagram showing another embodiment of the dishwashing / sterilizing apparatus of the present invention.
【図３】 本発明による食器洗浄・殺菌装置の他の実施
形態の要部（電解水生成装置）を示す略構成図FIG. 3 is a schematic configuration diagram showing a main part (electrolyzed water generating device) of another embodiment of the dishwashing / sterilizing device according to the present invention.
【図４】 本発明による食器洗浄・殺菌装置に使用する
他の電解水生成装置の略構成図FIG. 4 is a schematic configuration diagram of another electrolyzed water generator used in the dishwashing / sterilizing apparatus according to the present invention.
１…食器洗浄槽、 ２…電解水生成装置、 ３…アルカリ水配管系、 ４…調合部、 ５…殺菌水配管系、 ６…給水管、 ７…溶液タンク、 ８…アルカリ水吐水管路、 ９…酸性水吐水管路、 １１、１２…電極、 １１´、１２´…塩素発生電極、 １３…電解隔膜、 １４、１５…電極室、 １６、１８、１９…流量調整弁、 １７…アルカリ水タンク、 ２０…次亜塩素酸殺菌水タンク、 ２１…食器、 ２２…搬送手段、 ２３…アルカリ水ノズル、 ２４…殺菌水ノズル、 ２５…アルカリ水貯溜室、 ２６…殺菌水貯溜室、 ２７…ドレン、 ２８、２９…排水管、 ３０…中和合流槽、 ３１…枝管、 ３２…循環回路、 ３３…ヒータ、 ３６…オーバーフロー部材、 ３７…流路切換弁、 ３８…塩素発生電解槽、 ３９…流量比率調節弁、 ４０…バイパス、 ４１…分配管路、 ４２…無隔膜電解槽 ４３…給水枝管 ４４、４７、４８…バルブ ４５…混合室 ４６…酸性水タンク ４９…ｐＨ調整液タンク DESCRIPTION OF SYMBOLS 1 ... Dishwashing tank, 2 ... Electrolyzed water production | generation apparatus, 3 ... Alkaline water piping system, 4 ... Mixing part, 5 ... Sterilization water piping system, 6 ... Water supply pipe, 7 ... Solution tank, 8 ... Alkaline water discharge pipe line, 9 ... Acid water discharge pipe line, 11, 12 ... Electrode, 11 ', 12' ... Chlorine generating electrode, 13 ... Electrolyte diaphragm, 14, 15 ... Electrode chamber, 16, 18, 19 ... Flow control valve, 17 ... Alkaline water Tank, 20 ... Hypochlorous acid sterilizing water tank, 21 ... Tableware, 22 ... Conveying means, 23 ... Alkaline water nozzle, 24 ... Sterilizing water nozzle, 25 ... Alkaline water storage chamber, 26 ... Sterilizing water storage chamber, 27 ... Drain , 28, 29 ... Drainage pipe, 30 ... Neutralization / merging tank, 31 ... Branch pipe, 32 ... Circulation circuit, 33 ... Heater, 36 ... Overflow member, 37 ... Flow path switching valve, 38 ... Chlorine generation electrolysis tank, 39 ... Flow rate control valve, 40 ... Bypass, 41 ... Distribution pipe line, 42 ... Diaphragm electrolysis tank 43 ... Water supply branch pipes 44, 47, 48 ... Valve 45 ... Mixing chamber 46 ... Acid water tank 49 ... pH adjusting liquid tank
Claims (15)
化物塩を添加した水、又はこれら塩化物塩と、水に溶け
てアルカリ性を示す化合物とを添加した水を有隔膜電解
槽でｐＨ１０〜１２．５の強アルカリ水と酸性水に電解
し、得られた前記強アルカリ水で食器の第１次洗浄を行
うとともに、少なくとも塩化ナトリウム、塩化カリウム
などの塩化物塩を添加した水を無隔膜電解槽で電解して
得たｐＨ３〜７．５の次亜塩素酸殺菌水で前記食器の第
２次殺菌洗浄を行うことを特徴とする食器の洗浄・殺菌
方法1. Water containing a chloride salt such as sodium chloride or potassium chloride, or water containing these chloride salts and a compound which exhibits alkalinity when dissolved in water, and has a pH of 10 to 12. 5. Electrolyze into strong alkaline water and acidic water of 5, and perform the first washing of the tableware with the obtained strong alkaline water, and at the same time, add water containing at least chloride salts such as sodium chloride and potassium chloride to the diaphragmless electrolytic cell. A method for cleaning and sterilizing tableware, characterized in that the tableware is secondarily sterilized and washed with hypochlorous acid sterilized water having a pH of 3 to 7.5 obtained by electrolysis.
化物塩を添加した水、又はこれら塩化物塩と、水に溶け
てアルカリ性を示す化合物とを添加した水を、有隔膜電
解槽でｐＨ１０〜１２．５の強アルカリ水と酸性水に電
解するとともに、少なくとも塩化ナトリウム、塩化カリ
ウムなどの塩化物塩を添加した水を無隔膜電解槽で電解
して得た水と、前記有隔膜電解槽で生成された酸性水
と、水道水などの原水とを混合してｐＨ３〜７．５の次
亜塩素酸殺菌水を調合し、前記ｐＨ１０〜１２．５の強
アルカリ水で食器の第１次洗浄を行うとともに、前記次
亜塩素酸殺菌水で前記食器の第２次殺菌洗浄を行うこと
を特徴とする食器の洗浄・殺菌方法2. Water containing chloride salts such as sodium chloride and potassium chloride, or water containing these chloride salts and a compound exhibiting alkalinity when dissolved in water, pH 10 to 12 in a diaphragm electrolyzer. .5 electrolyzed into strong alkaline water and acidic water, and at least water containing chloride salts such as sodium chloride and potassium chloride electrolyzed in a non-diaphragm electrolytic cell; The prepared acidic water is mixed with raw water such as tap water to prepare hypochlorous acid sterilized water of pH 3 to 7.5, and the tableware is first washed with strong alkaline water of pH 10 to 12.5. A method for cleaning and sterilizing tableware, characterized in that the tableware is secondarily sterilized and washed with the hypochlorous acid sterilized water.
化物塩を添加した水、又はこれら塩化物塩と、水に溶け
てアルカリ性を示す化合物とを添加した水を、有隔膜電
解槽でｐＨ１０〜１２．５の強アルカリ水と酸性水に電
解するとともに、少なくとも塩化ナトリウム、塩化カリ
ウムなどの塩化物塩を添加した水と有隔膜電解槽で生成
された前記酸性水との混合水を無隔膜電解槽で電解して
得た水に、有隔膜電解槽で生成された前記酸性水及び／
又は水道水などの原水を混合してｐＨ３〜７．５の次亜
塩素酸殺菌水を調合し、前記強アルカリ水で食器の第１
次洗浄を行うとともに、前記次亜塩素酸殺菌水で前記食
器の第２次殺菌洗浄を行うことを特徴とする食器の洗浄
・殺菌方法3. Water containing chloride salts such as sodium chloride and potassium chloride, or water containing these chloride salts and a compound exhibiting alkalinity when dissolved in water, having a pH of 10 to 12 in a diaphragm electrolyzer. .5 electrolysis into strong alkaline water and acidic water, and mixed water of at least chloride salt such as sodium chloride, potassium chloride and the like and the acidic water produced in the diaphragm electrolyzer described above. To the water obtained by electrolysis with the above-mentioned acidic water produced in the diaphragm electrolyzer and /
Alternatively, tap water or other raw water is mixed to prepare hypochlorous acid sterilized water having a pH of 3 to 7.5, and the strong alkaline water is used to prepare the first dish.
A method for cleaning and sterilizing tableware, which comprises performing second cleaning and second sterilizing cleaning of the tableware with the hypochlorous acid sterilizing water.
化物塩と、水に溶けてアルカリ性を示す化合物を添加し
た水を、有隔膜電解槽でｐＨ１０〜１２．５の強アルカ
リ水とｐＨ３〜７．５の次亜塩素酸殺菌水に電解し、前
記強アルカリ水で食器の第１次洗浄を行うとともに、前
記次亜塩素酸殺菌水で前記食器の第２次殺菌洗浄を行う
ことを特徴とする食器の洗浄・殺菌方法4. A chloride salt such as sodium chloride or potassium chloride, and water to which a compound that dissolves in water and exhibits alkalinity is added, and a strong alkaline water having a pH of 10 to 12.5 and a pH of 3 to 7. 5 is electrolyzed to the hypochlorous acid sterilizing water, the tableware is first washed with the strong alkaline water, and the tableware is secondarily sterilized and washed with the hypochlorous acid sterilizing water. How to clean and sterilize tableware
化物塩を添加した水、又はこれら塩化物塩と水に溶けて
アルカリ性を示す化合物とを添加した水を、有隔膜電解
槽でｐＨ１０〜１２．５の強アルカリ水と酸性水に電解
するとともに、得られた酸性水に前記電解強アルカリ水
の一部を混合してｐＨ３〜７．５の次亜塩素酸殺菌水を
調合し、前記強アルカリ水で食器の第１次洗浄を行うと
ともに、前記次亜塩素酸殺菌水で前記食器の第２次殺菌
洗浄を行うことを特徴とする食器の洗浄・殺菌方法5. Water containing chloride salts such as sodium chloride and potassium chloride, or water containing these chloride salts and a compound which shows alkalinity when dissolved in water, is added to a diaphragm electrolyzer at a pH of 10 to 12. 5 is electrolyzed into strong alkaline water and acidic water, and a part of the electrolytic strong alkaline water is mixed with the obtained acidic water to prepare hypochlorous acid sterilized water having a pH of 3 to 7.5. A method for cleaning and sterilizing tableware, which comprises firstly cleaning the tableware with water and secondly sterilizing and cleaning the tableware with the sterilized water of hypochlorous acid.
化物塩を添加した水、又は該塩化物塩と水に溶けてアル
カリ性を示す化合物を添加した水を、有隔膜電解槽で電
気分解して電解槽の陽極室にｐＨ３〜７．５の次亜塩素
酸水を生成させるとともに、電解槽の陰極室に生成され
た電解処理水に、水に溶けてアルカリ性を示す化合物を
含む薬液を添加してｐＨ１０〜１２．５の強アルカリ水
に調合し、この強アルカリ水で食器の第１次洗浄を行う
とともに、前記次亜塩素酸殺菌水で前記食器の第２次殺
菌洗浄を行うことを特徴とする食器の洗浄・殺菌方法6. Electrolysis is performed by electrolyzing, in a diaphragm electrolyzer, water to which a chloride salt such as sodium chloride or potassium chloride is added, or water to which the chloride salt and a compound exhibiting alkalinity in water are added. While producing hypochlorous acid water having a pH of 3 to 7.5 in the anode chamber of the tank, a chemical solution containing a compound that dissolves in water and exhibits alkalinity is added to the electrolytically treated water generated in the cathode chamber of the electrolytic tank. It is characterized in that it is prepared in strong alkaline water having a pH of 10 to 12.5, and that the tableware is first washed with the strong alkaline water and the tableware is secondly sterilized and washed with the hypochlorous acid sterilizing water. How to clean and sterilize tableware
化物塩を添加した水、又は該塩化物塩と、水に溶けてア
ルカリ性を示す化合物を添加した水を、有隔膜電解槽で
電気分解し、電解槽の陰極室に生成された電解アルカリ
水の一部を電解槽の陽極室に生成された電解酸性水に混
合してｐＨ３〜７．５の次亜塩素酸水に調整するととも
に、電解槽の陰極室に生成された電解アルカリ水に、水
に溶けてアルカリ性を示す化合物を含む薬液を添加して
ｐＨ１０〜１２．５の強アルカリ水に調合し、この強ア
ルカリ水で食器の第１次洗浄を行うとともに、前記次亜
塩素酸殺菌水で前記食器の第２次殺菌洗浄を行うことを
特徴とする食器の洗浄・殺菌方法7. Water containing a chloride salt such as sodium chloride or potassium chloride, or water containing the chloride salt and a compound exhibiting alkalinity when dissolved in water is electrolyzed in a diaphragm electrolyzer, A part of the electrolyzed alkaline water generated in the cathode chamber of the electrolytic cell is mixed with the electrolyzed acidic water generated in the anode chamber of the electrolytic cell to adjust to hypochlorous acid water having a pH of 3 to 7.5. To the electrolyzed alkaline water generated in the cathode chamber, a chemical solution containing a compound showing alkalinity when dissolved in water is added to prepare strong alkaline water having a pH of 10 to 12.5. A method for cleaning and sterilizing tableware, which is characterized in that the tableware is secondarily sterilized and washed with the hypochlorous acid sterilizing water.
解酸性水に塩素を供給することをさらに特徴とする請求
項１、２、３、４、５、６又は７記載の食器の洗浄・殺
菌方法8. The washing of dishes as claimed in claim 1, further comprising supplying chlorine to electrolyzed acidic water produced from the anode chamber of the diaphragm electrolyzer.・ Sterilization method
メタケイ酸ナトリウムなどのポリケイ酸塩、ケイ酸ナト
リウムなどのケイ酸塩、水酸化ナトリウム、水酸化カリ
ウムなどの水酸化物塩、又はこれらの二種以上の混合物
であることを特徴とする請求項１、２、３、４、５、
６、７又は８記載の食器の洗浄・殺菌方法9. A compound which exhibits alkalinity when dissolved in water,
A polysilicate such as sodium metasilicate, a silicate such as sodium silicate, a hydroxide salt such as sodium hydroxide or potassium hydroxide, or a mixture of two or more thereof. 2, 3, 4, 5,
Method for cleaning and sterilizing tableware according to 6, 7 or 8
る前記塩化物塩又は水に溶けてアルカリ性を示す化合物
の成分又は濃度を異ならせて電気分解することを特徴と
する請求項１、２、３、４、５、６、７、８又は９記載
の食器の洗浄・殺菌方法10. The electrolysis is carried out by varying the component or concentration of the chloride salt or the compound showing alkalinity in water in the cathode chamber and the anode chamber of the diaphragm electrolysis cell. Method for cleaning and sterilizing tableware according to 3, 4, 5, 6, 7, 8 or 9
槽と、塩化ナトリウム、塩化カリウムなどの塩化物塩、
又はこれら塩化物塩と水に溶けてアルカリ性を示す化合
物を添加した水を電解してアルカリ水と酸性水を生成
し、各々の吐水管から各別に排出する連続式電解水生成
装置と、前記電解水生成装置のアルカリ水吐水管から前
記食器洗い洗浄槽に配管され、前記電解水生成装置で生
成されたアルカリ水を食器洗い洗浄槽に供給するアルカ
リ水配管系と、前記電解水生成装置の酸性水吐水管とア
ルカリ水吐水管に接続され、前記電解水生成装置から排
出される酸性水とアルカリ水を混合して次亜塩素酸殺菌
水を生成する調合部と、この調合部から食器洗浄槽に配
管され、前記次亜塩素酸殺菌水を洗浄槽に供給する殺菌
水配管系と、を有する食器洗浄・殺菌装置11. A dishwashing tank in which dishes are washed and sterilized, and a chloride salt such as sodium chloride or potassium chloride,
Or a continuous electrolyzed water generator that electrolyzes water containing these chloride salts and a compound exhibiting alkalinity in water to generate alkaline water and acidic water, and discharges each separately from each discharge pipe, and the electrolysis An alkaline water piping system that is piped from the alkaline water discharge pipe of the water generating device to the dishwashing and cleaning tank and supplies the alkaline water generated by the electrolytic water generating device to the dishwashing and cleaning tank, and the acidic water discharge device of the electrolytic water generating device. A mixing section that is connected to a water pipe and an alkaline water discharge pipe and mixes acidic water and alkaline water discharged from the electrolyzed water generating device to generate hypochlorous acid sterilizing water, and piping from this mixing unit to a dishwashing tank And a sterilizing water piping system for supplying the above-mentioned hypochlorous acid sterilizing water to a washing tank,
槽と、塩化ナトリウム、塩化カリウムなどの塩化物塩、
又はこれら塩化物塩と水に溶けてアルカリ性を示す化合
物を添加した水を電解してアルカリ水と酸性水を生成
し、各々の吐水管から各別に排出する連続式電解水生成
装置と、前記電解水生成装置のアルカリ水吐水管から前
記食器洗い洗浄槽に配管され、前記電解水生成装置で生
成されたアルカリ水を食器洗い洗浄槽に供給するアルカ
リ水配管系と、前記電解水生成装置の酸性水吐水管から
食器洗浄槽に配管され、前記次亜塩素酸殺菌水を洗浄槽
に供給する殺菌水配管系と、を有する食器洗浄・殺菌装
置12. A dishwashing tank in which dishes are washed and sterilized, and a chloride salt such as sodium chloride or potassium chloride,
Or a continuous electrolyzed water generator that electrolyzes water containing these chloride salts and a compound exhibiting alkalinity in water to generate alkaline water and acidic water, and discharges each separately from each discharge pipe, and the electrolysis An alkaline water piping system that is piped from the alkaline water discharge pipe of the water generating device to the dishwashing and cleaning tank and supplies the alkaline water generated by the electrolytic water generating device to the dishwashing and cleaning tank, and the acidic water discharge device of the electrolytic water generating device. A dishwashing / sterilizing apparatus having a sterilizing water piping system that is piped from a water pipe to a dishwashing tank and supplies the hypochlorous acid sterilizing water to the washing tank.
に、塩素発生電極を使用した電解槽を介装し、前記電解
水生成装置から給送される電解酸性水に塩素が供給され
るようにしたことをさらに特徴とする請求項１１又は１
２記載の食器洗浄・殺菌装置13. An acidic water discharge pipe of a continuous electrolyzed water generator is provided with an electrolytic cell using a chlorine generation electrode, and chlorine is supplied to electrolyzed acidic water fed from the electrolyzed water generator. The method is further characterized in that
Dishwashing / sterilizing device described in 2
段と、搬送手段の搬送系路上流に臨むアルカリ水ノズル
と、アルカリ水ノズルの下方に設けられたアルカリ水貯
溜室と、搬送系路下流に臨む次亜塩素酸殺菌水ノズル
と、この殺菌水ノズルの下方に設けられた次亜塩素酸殺
菌水貯溜室と、アルカリ水貯溜室からの排水と次亜塩素
酸殺菌水貯溜室からの水を混合中和して排水する排水回
路と、を有することを特徴とする請求項１１、１２又は
１３記載の食器洗浄・殺菌装置14. A dishwashing tank, a conveying means for conveying dishes, an alkaline water nozzle facing upstream of a conveying system passage of the conveying means, an alkaline water storage chamber provided below the alkaline water nozzle, and a conveying system passage. The hypochlorous acid sterilizing water nozzle facing downstream, the hypochlorous acid sterilizing water storage chamber provided below this sterilizing water nozzle, the drainage from the alkaline water storage chamber and the hypochlorous acid sterilizing water storage chamber 14. A dishwashing / sterilizing apparatus according to claim 11, 12 or 13, further comprising: a drainage circuit for mixing and neutralizing water and draining.
ルカリ水ノズルのアルカリ水回路に循環回路が接続され
ていることをさらに特徴とする請求項１４記載の食器洗
浄・殺菌装置15. The dishwashing / sterilizing apparatus according to claim 14, further comprising a circulation circuit connected to the alkaline water circuit of the alkaline water nozzle from the alkaline water storage chamber of the dishwashing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15763796A JP3747337B2 (en) | 1996-01-22 | 1996-05-29 | Tableware cleaning and sterilization method and apparatus |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2726996 | 1996-01-22 | ||
| JP8-27269 | 1996-04-12 | ||
| JP8-115395 | 1996-04-12 | ||
| JP11539596 | 1996-04-12 | ||
| JP15763796A JP3747337B2 (en) | 1996-01-22 | 1996-05-29 | Tableware cleaning and sterilization method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09327670A true JPH09327670A (en) | 1997-12-22 |
| JP3747337B2 JP3747337B2 (en) | 2006-02-22 |
Family
ID=27285717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15763796A Expired - Lifetime JP3747337B2 (en) | 1996-01-22 | 1996-05-29 | Tableware cleaning and sterilization method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3747337B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002224628A (en) * | 2001-01-31 | 2002-08-13 | Sansha Electric Mfg Co Ltd | Cleaning apparatus using combined ionized water |
| JP2007330435A (en) * | 2006-06-14 | 2007-12-27 | Rinnai Corp | Mist sauna apparatus |
| JP2008074491A (en) * | 2006-08-21 | 2008-04-03 | Meiji Milk Prod Co Ltd | Sterilization method for food container |
| JP2012152713A (en) * | 2011-01-27 | 2012-08-16 | Toto Ltd | Cleaning apparatus |
| JPWO2017099085A1 (en) * | 2015-12-07 | 2018-11-08 | 新日本空調株式会社 | Cleaning method for human wear |
-
1996
- 1996-05-29 JP JP15763796A patent/JP3747337B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002224628A (en) * | 2001-01-31 | 2002-08-13 | Sansha Electric Mfg Co Ltd | Cleaning apparatus using combined ionized water |
| JP2007330435A (en) * | 2006-06-14 | 2007-12-27 | Rinnai Corp | Mist sauna apparatus |
| JP2008074491A (en) * | 2006-08-21 | 2008-04-03 | Meiji Milk Prod Co Ltd | Sterilization method for food container |
| JP2012152713A (en) * | 2011-01-27 | 2012-08-16 | Toto Ltd | Cleaning apparatus |
| JPWO2017099085A1 (en) * | 2015-12-07 | 2018-11-08 | 新日本空調株式会社 | Cleaning method for human wear |
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