JPH08206669A - Disinfection of pool water - Google Patents
Disinfection of pool waterInfo
- Publication number
- JPH08206669A JPH08206669A JP1791295A JP1791295A JPH08206669A JP H08206669 A JPH08206669 A JP H08206669A JP 1791295 A JP1791295 A JP 1791295A JP 1791295 A JP1791295 A JP 1791295A JP H08206669 A JPH08206669 A JP H08206669A
- Authority
- JP
- Japan
- Prior art keywords
- pool water
- neutralizing agent
- magnesium
- pool
- water
- 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
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はプール水の消毒方法に関
する。更に詳細に説明するとプール水の殺菌消毒に塩素
ガス、塩素化イソシアヌル酸及びクロロブロモジメチル
ヒダントを用いてプール水の消毒を行う方法において、
プール水のｐＨを６〜８に制御する方法に関する。FIELD OF THE INVENTION The present invention relates to a method for disinfecting pool water. More specifically, in a method of disinfecting pool water using chlorine gas, chlorinated isocyanuric acid and chlorobromodimethylhydanto for disinfecting pool water,
It relates to a method of controlling the pH of pool water to 6-8.
【０００２】[0002]
【従来の技術】従来より、プール水の消毒方法として
は、直接プール水中に高度晒粉、塩素化イソシアヌル酸
等を投入したり、或いは高度晒粉、塩素化イソシアヌル
酸等を入れた薬剤容器内にプール循環水を流入させ薬剤
の一部を溶解させるとか、塩素ガス或いは次亜塩素酸ナ
トリウム水溶液を、プール水中に注入し、プール水中の
残留塩素濃度を一定濃度に維持する方法が行われてい
る。2. Description of the Related Art Conventionally, as a method for disinfecting pool water, high-level bleaching powder, chlorinated isocyanuric acid, etc. have been directly put into pool water, or a chemical container containing high-level bleached powder, chlorinated isocyanuric acid, etc. There is a method in which pool circulating water is introduced to dissolve some of the chemicals, or chlorine gas or an aqueous solution of sodium hypochlorite is injected into the pool water to maintain the residual chlorine concentration in the pool water at a constant concentration. There is.
【０００３】近年、プールの普及に伴って、プール水の
殺菌消毒剤として従来から使用されていた次亜塩素酸ナ
トリウム水溶液や高度晒粉に代わって塩素化イソシアヌ
ル酸の顆粒や錠剤が製品の安定性、使用上の簡易さ、遊
泳者の快適さなどの点から、広く使用されるようになっ
てきた。With the spread of pools in recent years, chlorinated isocyanuric acid granules and tablets have become stable products in place of sodium hypochlorite aqueous solution and advanced bleaching powder that have been conventionally used as sterilizing agents for pool water. It has come to be widely used in terms of sex, ease of use, comfort of swimmers, and the like.
【０００４】[0004]
【発明が解決しようとする課題】これらの従来の方法で
塩素化イソシアヌル酸等を用いてプール水中の残留塩素
濃度を一定にするには使用可能であるが、プール水の原
水がｐＨの緩衝効果の小さい（Ｍ−アルカリ度が低い）
水の場合、或いはプール水の入替え（換水）が少ない場
合には、塩素化イソシアヌル酸を殺菌消毒剤として使用
していると、プール水のｐＨが低下する問題がある。Although these conventional methods can be used to make the residual chlorine concentration in pool water constant by using chlorinated isocyanuric acid or the like, the raw water of pool water has a pH buffering effect. Small (M-low alkalinity)
In the case of water or when there is little replacement (replacement) of pool water, there is a problem that the pH of pool water decreases when chlorinated isocyanuric acid is used as a disinfectant.
【０００５】これに対して、従来の対応技術は、毎日、
塩素化イソシアヌル酸相当量の炭酸ナトリウム（ソーダ
灰）等の中和剤を投入したり、定期的にｐＨを測定して
中和したり方法で対処されている。これらの方法では、
中和剤を投入する方法は面倒であり、投入を忘れる事も
あり、また、定期的にｐＨを測定し中和する方法も、ｐ
Ｈの測定が困難であり中和剤を入れた後のｐＨの測定が
同様に困難である。On the other hand, the conventional corresponding technology is
Methods such as adding a neutralizing agent such as sodium carbonate (soda ash) in an amount equivalent to chlorinated isocyanuric acid or measuring the pH periodically to neutralize the solution have been dealt with. With these methods,
The method of adding the neutralizing agent is troublesome, sometimes the user forgets to add it, and the method of periodically measuring the pH and neutralizing is also p.
It is difficult to measure H and it is also difficult to measure pH after adding the neutralizing agent.
【０００６】又、本出願人は、残留塩素とｐＨの自動制
御方法を特開平４−２００７９１号及び特開平５−２１
４４１３号として出願しているが、これらの方法は、確
実の制御出来るが装置コストが高いという問題がある。
本発明者等は上記のプール水の消毒方法における問題を
種々研究の結果、カルシウムまたはマグネシウムの酸化
物、水酸化物及び炭酸塩、カルシウムおよび／またはマ
グネシウムの酸化物または珪酸塩を主成分とするスラグ
並びにカルシウムおよび／またはマグネシウムの珪酸塩
を主成分とする無機鉱物から選ばれる少なくとも１種の
化合物を中和剤とし、プール水の循環ろ過系に用いるこ
とで、上述の問題が解決できることを見出し本発明を完
成した。The applicant of the present invention has disclosed an automatic control method of residual chlorine and pH in JP-A-4-200791 and JP-A-5-21.
No. 4413 has been filed, but these methods have a problem that the device cost is high although reliable control is possible.
As a result of various studies on the above-mentioned problems in the method for disinfecting pool water, the present inventors have made calcium or magnesium oxide, hydroxide and carbonate, calcium and / or magnesium oxide or silicate as a main component. It was found that the above-mentioned problems can be solved by using at least one compound selected from slag and an inorganic mineral mainly composed of calcium and / or magnesium silicate as a neutralizing agent in a circulating filtration system of pool water. The present invention has been completed.
【０００７】本発明の目的は、塩素ガス、塩素化イソシ
アヌル酸及びクロロブロモジメチルヒダントを用いてプ
ール水の消毒方法において、プール水のｐＨ低下を防止
するプール水の消毒方法を提供することにある。An object of the present invention is to provide a method of disinfecting pool water, which is capable of preventing pH drop of pool water in the method of disinfecting pool water using chlorine gas, chlorinated isocyanuric acid and chlorobromodimethylhydant. is there.
【０００８】[0008]
【課題を解決するための手段】即ち、本発明はプール水
の殺菌消毒に塩素ガス、塩素化イソシアヌル酸及びクロ
ロブロモジメチルヒダントを用いてプール水の消毒を行
う方法において、プール水の循環ろ過系に、カルシウム
またはマグネシウムの酸化物、水酸化物及び炭酸塩、カ
ルシウムおよび／またはマグネシウムの酸化物または珪
酸塩を主成分とするスラグ並びにカルシウムおよび／ま
たはマグネシウムの珪酸塩を主成分とする無機鉱物より
選ばれた少なくとも一種からなる中和剤を充填した容器
を設け、該容器内でプール水と中和剤を接触せしめ、該
中和剤をプール水の循環水に溶解させる事により、プー
ル水のｐＨを６〜８に制御する事を特徴とするプール水
の消毒方法に関する。[Means for Solving the Problems] That is, the present invention provides a method for sterilizing pool water by using chlorine gas, chlorinated isocyanuric acid and chlorobromodimethylhydanto for sterilizing pool water. Calcium or magnesium oxide, hydroxide and carbonate, slag containing calcium and / or magnesium oxide or silicate as a main component, and inorganic mineral containing calcium and / or magnesium silicate as a main component A container filled with a neutralizing agent consisting of at least one selected from the above is provided, and the pool water and the neutralizing agent are brought into contact with each other in the container, and the neutralizing agent is dissolved in the circulating water of the pool water. It relates to a method of disinfecting pool water, which is characterized by controlling the pH of 6 to 8.
【０００９】以下、本発明を詳細に説明する。本発明に
用いる消毒剤としての塩素化イソシアヌル酸とはトリク
ロロイソシアヌル酸、ジクロロイソシアヌル酸ナトリウ
ム及びジクロロイシシアヌル酸ナトリウムの２水塩等が
挙げられる。本発明で中和剤として用いるカルシウムお
よび／またはマグネシウムの酸化物を主成分とするスラ
グは非珪酸性スラグとも呼ばれ、カルシウムおよび／ま
たはマグネシウムの珪酸塩を主成分とするスラグは珪酸
性スラグと呼ばれる。これらのスラグの中で珪酸塩を主
成分とする珪酸性スラグの方が、製鉄溶鉱炉からでるス
ラグとして入手が容易で、またプール水のｐＨを６〜８
に制御する効果も優れており好ましい。The present invention will be described in detail below. Examples of the chlorinated isocyanuric acid as the disinfectant used in the present invention include trichloroisocyanuric acid, sodium dichloroisocyanurate and sodium dichloroisocyanurate dihydrate. The slag containing calcium and / or magnesium oxide as the main component used as the neutralizing agent in the present invention is also called non-silicic acid slag, and the slag containing calcium and / or magnesium silicate as the main component is called silicic acid slag. be called. Among these slags, silicic acid slags containing silicate as a main component are easier to obtain as slags from iron-making blast furnaces, and the pH of pool water is 6-8.
It is also preferable because the effect of controlling it is excellent.
【００１０】また、本発明で中和剤として用いるカルシ
ウムおよび／またはマグネシウムの珪酸塩の無機鉱物と
しては具体的には、ワラストナイト、ランキナイト及び
ハルトライト等の結晶系を持つ無機鉱物が好ましい。
尚、珪酸性スラグもワラストナイトの結晶系を持つもの
が入手可能である。上記した中和剤以外に、カルシウム
またはマグネシウムの酸化物、水酸化物及び炭酸塩も中
和剤として好ましい。Further, as the inorganic mineral of calcium and / or magnesium silicate used as the neutralizing agent in the present invention, specifically, inorganic minerals having a crystal system such as wollastonite, lanquinite and hartrite are preferable. .
Silicic acid slag having a wollastonite crystal system is also available. Besides the above-mentioned neutralizing agents, calcium or magnesium oxides, hydroxides and carbonates are also preferable as the neutralizing agents.
【００１１】上記した本発明で用いる中和剤は、単品で
用いてもよく、１種以上併せて使用しても良い。中和剤
の形状は取扱上、粒状が好ましくその粒径は、同様に取
扱上３〜２０ｍｍの範囲が好ましい。本発明に用いる中
和剤の使用方法としては、プール水の循環ろ過系に、中
和剤を充填した容器を設け、該容器内にプール水の循環
水を流入させ、該中和剤をプール水の循環水に溶解させ
る事によりプール水のｐＨを６〜８に制御する。より具
体的には、循環水が流入するようにした筒状の容器に３
〜２０ｍｍの大きさの粒状の中和剤を充填したり、或い
は、穴の開いた例えば網み目状の袋に前記の粒径の粒状
の中和剤を入れプールのバランシングタンクに沈める方
法が適用される。好ましい、プール水のｐＨの制御方法
は、プール水の循環ろ過ラインに中和剤専用の薬筒を設
け、これに前記中和剤を充填し、プール水を通水する方
法である。この際に薬筒に中和剤を入れる際に網み目状
の袋で包装された中和剤を入れ、薬筒に設置する方法が
より好ましい。The above-mentioned neutralizing agent used in the present invention may be used alone or in combination of one or more kinds. The shape of the neutralizing agent is preferably granular in terms of handling, and the particle size thereof is also preferably in the range of 3 to 20 mm in terms of handling. As a method of using the neutralizing agent used in the present invention, a circulating water filtration system of pool water is provided with a container filled with the neutralizing agent, and the circulating water of the pool water is introduced into the container to pool the neutralizing agent. The pH of pool water is controlled to 6 to 8 by dissolving it in circulating water. More concretely, 3
A method of filling a neutralizing agent having a particle size of up to 20 mm, or placing the neutralizing agent having the above-mentioned particle size in a perforated bag, for example, a mesh bag, and submerging it in a balancing tank of a pool is available. Applied. A preferable method of controlling the pH of the pool water is a method in which a medicine cylinder dedicated to the neutralizing agent is provided in the circulating filtration line of the pool water, the neutralizing agent is filled in the cylinder, and the pool water is passed. At this time, it is more preferable to add the neutralizing agent packaged in a reticulated bag when the neutralizing agent is put into the medicine bottle and place the neutralizing agent in the medicine bottle.
【００１２】薬筒は、循環ラインの中で、循環水を通す
パイプと薬筒の流入口と排水口で接続できるようにした
機構を持つものなら特に限定しない。用いる薬筒の材質
は、薬剤およびその水溶液により腐蝕されないものであ
ればよく、特に規定しないが、通常は塩化ビニール（塩
ビ）、ポリエチレン、ポリプロピレン等のプラスチック
が好ましい。The medicine bottle is not particularly limited as long as it has a mechanism for connecting a pipe for circulating water, an inflow port of the medicine bottle and a drain port in the circulation line. The material of the drug cylinder used is not particularly limited as long as it is not corroded by the drug and its aqueous solution, but is usually preferably plastic such as vinyl chloride (polyvinyl chloride), polyethylene or polypropylene.
【００１３】プール水の原水がｐＨの緩衝効果の小さい
（Ｍ−アルカリ度が低い）水の場合、或いはプール水の
入替え（換水）が少ない場合には、本発明方法は特に有
効である。また、本発明方法では、一度設置すると長期
間ｐＨを６〜８の範囲内に制御する事が可能であるばか
りか、中和剤が溶けすぎてアルカリ性に傾く懸念は全く
ないのが特徴である。The method of the present invention is particularly effective when the raw water of the pool water is water having a small pH buffering effect (low M-alkalinity) or when the amount of replacement (replacement) of the pool water is small. In addition, the method of the present invention is characterized in that once it is installed, it is possible to control the pH within the range of 6 to 8 for a long period of time, and there is no concern that the neutralizing agent will be excessively dissolved and become alkaline. .
【００１４】[0014]
【実施例】以下実施例と比較例をもって本発明を更に詳
細に説明する。 比較例１ 一日の遊泳者数９０〜１４７人が使用する３５０トンの
循環式プールに於いて、プール水循環ラインに設けた薬
剤溶解器によりトリクロロイソシアヌル酸の顆粒（錠
剤）が１日当たり平均 1 ｋｇ溶解させて、ｐＨの変化
を観察した。EXAMPLES The present invention will be described in more detail with reference to Examples and Comparative Examples. Comparative Example 1 In a 350-ton circulation pool used by 90 to 147 swimmers per day, granules (tablets) of trichloroisocyanuric acid were averaged to 1 kg per day by a drug dissolver provided in a pool water circulation line. It was dissolved and the change in pH was observed.
【００１５】尚、このプールで使用する水のＭ−アルカ
リ度は平均１５度で、１日の水の入替え量は平均１０ト
ン（換水率２．９％）である。プール開始日はｐＨ７．
２であったが、７日後には６．７、１４日後には５．８
に低下した。The M-alkalinity of water used in this pool is 15 degrees on average, and the amount of water replaced per day is 10 tons on average (water exchange rate 2.9%). The pool start date is pH 7.
2, which was 6.7 after 7 days and 5.8 after 14 days.
Fell to.
【００１６】比較例２ 比較例１と同様な条件でプールの管理を実施しながら、
１週間に１度、プール水のｐＨを測定し数度に分けて無
水炭酸ナトリウムを投入して中和を行った。その結果を
表─１に示すが、この方法ではプール水が均一に中和さ
れるのに時間がかかり中和作業が困難であった。Comparative Example 2 While managing the pool under the same conditions as in Comparative Example 1,
Once a week, the pH of the pool water was measured, and anhydrous sodium carbonate was added in several times for neutralization. The results are shown in Table 1, but it took time for the pool water to be uniformly neutralized by this method, and the neutralization work was difficult.
【００１７】実施例１ 比較例１と同様な条件でプールで、中和剤として珪酸性
スラグ（製鉄溶鉱炉スラグ、５〜２０ｍｍの粒 ＣａＯ
４３重量％、ＳｉＯ2 ５２重量％、Ｆｅ2 Ｏ 3０．４重
量％、ＭｇＯ０．４重量％、結晶系 ワラストナイト）
を２ｍｍの網（ポリエチレン製）の袋に１０ｋｇを入
れ、これを専用の薬筒に入れプール水のろ過循環ライン
に設置してｐＨを調整した。ｐＨの変化を表１に示す
が、１ケ月経過後も殆どｐＨの低下はなく中性を保って
いた。Example 1 Silicic acid slag (ironmaking blast furnace slag, 5 to 20 mm grain CaO) was used as a neutralizing agent in a pool under the same conditions as in Comparative Example 1.
43 wt%, SiO 2 52 wt%, Fe 2 O 3 0.4 wt%, MgO 0.4 wt%, crystalline wollastonite)
10 kg was put in a 2 mm mesh (polyethylene) bag, placed in a dedicated medicine cylinder and installed in the filtration circulation line of pool water to adjust the pH. The change in pH is shown in Table 1, but the pH remained almost neutral even after one month, and the pH remained neutral.
【００１８】実施例２ 比較例１と同様な条件のプールで、中和剤として珪酸性
スラグ（製鉄溶鉱炉スラグ）１５ｋｇを２ｍｍの網（ポ
リエチレン製）の袋に入れプールのバランシングタンク
に沈めておいて、ｐＨを調整した。ｐＨの変化を表１に
示すが、１ケ月経過後も殆どｐＨの低下はなく中性を保
っていた。Example 2 In a pool under the same conditions as in Comparative Example 1, 15 kg of silicic acid slag (steel blast furnace slag) as a neutralizing agent was put in a 2 mm net (polyethylene) bag and immersed in a balancing tank of the pool. The pH was adjusted. The change in pH is shown in Table 1, but the pH remained almost neutral even after one month, and the pH remained neutral.
【００１９】実施例３ 比較例１と同様な条件のプールで、中和剤として酸化マ
グネシウムの粒（４〜１０ｍｍ）１０ｋｇを２ｍｍの網
（ポリエチレン製）の袋に入れプールのバランシングタ
ンクに沈めておいて、ｐＨを調整した。ｐＨの変化を表
１に示すが、１ケ月経過後も殆どｐＨの低下はなく中性
を保っていた。Example 3 In a pool under the same conditions as in Comparative Example 1, 10 kg of magnesium oxide particles (4 to 10 mm) as a neutralizing agent were placed in a 2 mm mesh (polyethylene) bag and submerged in the balancing tank of the pool. Then, the pH was adjusted. The change in pH is shown in Table 1, but the pH remained almost neutral even after one month, and the pH remained neutral.
【００２０】[0020]
【表１】 [Table 1]
【００２１】[0021]
【効果】表１に示すように、塩素化イソシアヌル酸を殺
菌消毒剤として用いる際のｐＨ低下を、本発明方法によ
り容易にプール水のｐＨを長期間６〜８に制御すること
が出来る。As shown in Table 1, the decrease in pH when chlorinated isocyanuric acid is used as a disinfectant can easily control the pH of pool water to 6 to 8 for a long period of time by the method of the present invention.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０２Ｆ 1/50 ５３２ Ｈ Ｄ ５４０ Ａ Ｂ Ｅ ５５０ Ｃ ５６０ Ｚ 1/66 ５１０ Ｇ ５２１ Ｌ Ｖ Ｃ Ｔ ５３０ Ｂ ５４０ Ｇ Ｅ０４Ｈ 4/12 (72)発明者 下 親志 福岡県福岡市中央区天神２丁目８番38号 日産化学工業株式会社福岡支店内 (72)発明者 神尾 和憲 大阪府大阪市北区梅田一丁目８番17号 日 産化学工業株式会社大阪支店内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location C02F 1/50 532 HD 540 A B E 550 C 560 Z 1/66 510 G 521 L V C T 530 B 540 G E04H 4/12 (72) Inventor Shimoshinashi 2-8-38 Tenjin, Chuo-ku, Fukuoka City, Fukuoka Prefecture Nissan Chemical Industry Co., Ltd.Fukuoka Branch (72) Inventor Kazunori Kamio Kita-ku, Osaka City, Osaka Prefecture 1-8-17 Umeda Nissan Chemical Industries, Ltd. Osaka Branch
Claims (3)
イソシアヌル酸及びクロロブロモジメチルヒダントを用
いてプール水の消毒を行う方法において、プール水の循
環ろ過系に、カルシウムまたはマグネシウムの酸化物、
水酸化物及び炭酸塩、カルシウムおよび／またはマグネ
シウムの酸化物又は珪酸塩を主成分とするスラグ並びに
カルシウムおよび／またはマグネシウムの珪酸塩を主成
分とする無機鉱物より選ばれた少なくとも一種からなる
中和剤を充填した容器を設け、該容器内でプール水と中
和剤を接触せしめ、該中和剤をプール水の循環水に溶解
させる事により、プール水のｐＨを６〜８に制御する事
を特徴とするプール水の消毒方法。1. A method of sterilizing pool water using chlorine gas, chlorinated isocyanuric acid and chlorobromodimethylhydanto for sterilizing pool water, wherein calcium or magnesium oxide is added to the circulating filtration system of pool water. ,
Neutralization of at least one selected from hydroxides and carbonates, slags containing calcium and / or magnesium oxides or silicates as main components, and inorganic minerals containing calcium and / or magnesium silicates as main components To control the pH of the pool water to 6 to 8 by providing a container filled with the agent, contacting the pool water with the neutralizing agent in the container, and dissolving the neutralizing agent in the circulating water of the pool water. A method for disinfecting pool water.
ネシウム、炭酸マグネシウム及び珪酸性スラグより選ば
れた少なくとも一種からなる化合物である請求項１記載
のプール水の消毒方法。2. The method for disinfecting pool water according to claim 1, wherein the neutralizing agent is a compound comprising at least one selected from magnesium oxide, magnesium hydroxide, magnesium carbonate and silicic acid slag.
の範囲である請求項１記載のプール水の消毒方法。3. The neutralizing agent is granular and has a particle size of 3 to 20 mm.
The method for disinfecting pool water according to claim 1, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1791295A JP3711578B2 (en) | 1995-02-06 | 1995-02-06 | How to disinfect pool water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1791295A JP3711578B2 (en) | 1995-02-06 | 1995-02-06 | How to disinfect pool water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08206669A true JPH08206669A (en) | 1996-08-13 |
| JP3711578B2 JP3711578B2 (en) | 2005-11-02 |
Family
ID=11956971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1791295A Expired - Lifetime JP3711578B2 (en) | 1995-02-06 | 1995-02-06 | How to disinfect pool water |
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| Country | Link |
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| JP (1) | JP3711578B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120085966A1 (en) * | 2010-10-06 | 2012-04-12 | Abraham Ziegler | Composition and Methods for Maintaining pH Balance in Pool and Spa Water |
-
1995
- 1995-02-06 JP JP1791295A patent/JP3711578B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120085966A1 (en) * | 2010-10-06 | 2012-04-12 | Abraham Ziegler | Composition and Methods for Maintaining pH Balance in Pool and Spa Water |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3711578B2 (en) | 2005-11-02 |
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