JP2008056655A - Sterilization material and sterilization method and apparatus for producing metal ion - Google Patents

Sterilization material and sterilization method and apparatus for producing metal ion Download PDF

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JP2008056655A
JP2008056655A JP2007089377A JP2007089377A JP2008056655A JP 2008056655 A JP2008056655 A JP 2008056655A JP 2007089377 A JP2007089377 A JP 2007089377A JP 2007089377 A JP2007089377 A JP 2007089377A JP 2008056655 A JP2008056655 A JP 2008056655A
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water
metal ion
sand
sterilization
sterilizing
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Akiya Sawashita
明矢 澤下
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Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem that a sterilization effect immediately disappears in thermal sterilization, when the temperature is returned to ordinary temperature, and a problem that children can not play in a sand pit without anxiety when sterilized with chemicals. <P>SOLUTION: An apparatus for producing a metal ion is characterized by disposing a pair of electrodes 1, 2 in a water tank 14, connecting a lead terminal 5 and a bracket 10 for electricity through an insulation sleeve 3, pouring water in the water tank 14 to immerse the electrodes 1, 2, and circulating the water with a pump. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、人工海岸、公園、保育園、小学校等における砂場、其の他活け花や浴槽水、クーリングタワー、ウオーターベッド、切削機のオイル等の水を使用する分野における水の腐敗や殺菌に関する。  The present invention relates to water decay and sterilization in fields using water such as artificial sand beaches, parks, nurseries, elementary schools, etc., other flower arrangements, bath water, cooling towers, water beds, oil for cutting machines, and the like.

近年砂場に於いて特に夏場に於ける環境衛生が悪化し、殺菌がやかましく謂われるようになってきた。  In recent years, environmental sanitation has deteriorated in sandboxes, especially in summer, and sterilization has become increasingly popular.

しかし乍ら、これらの砂の殺菌には薬品による処理が考えられているが、子ども達の口に入る恐れもあり、実際には使用されていなかった。  However, these sands were sterilized with chemicals, but they were not actually used because they could enter children's mouths.

他に高温による砂の熱殺菌があるが常温に戻ると効果がなくなるため、各自治体でもその対応に苦慮しているのが現状である。  In addition, there is heat sterilization of sand due to high temperature, but the effect is lost when it returns to normal temperature, so the local government is struggling to deal with it.

また、上記砂の殺菌のみでなく活け花や浴槽水、クーリングタワーの水、ウオーターベッド、切削機のオイル混合水等は数日で交換する必要があった。  In addition to sterilization of the sand, flower arrangements, bathtub water, cooling tower water, water bed, oil mixture water for a cutting machine, etc. had to be replaced within a few days.

上記従来例で謂われるような薬品を用いた殺菌手段では、子ども達を安心して砂場で遊ばせることはできず、また砂の熱殺菌による手段では殺菌の持続性に乏しく常温に戻れば再び元の状態になり、細菌が繁殖し衛生状態を長期に亘り維持することができない等の欠点があった。  In the conventional sterilization means using so-called chemicals, children cannot play in the sandbox with peace of mind, and the means by thermal sterilization of the sand is poor in sterilization and returns to normal when it returns to room temperature. Thus, there are disadvantages such as that the bacteria propagate and the hygiene state cannot be maintained for a long time.

また活け花用水、浴槽水、クーリングタワーの冷却水、ウオーターベッド、機械工場の切削油の混合水等は早期に交換する必要があった。  Flower arrangement water, bathtub water, cooling water for cooling towers, water beds, mixed water for cutting oil in machine shops, etc. had to be replaced at an early stage.

そこで本発明では上記従来の問題点の解決を図るために金属イオンを用いた殺菌材料とイオン水による殺菌手段及び金属イオン発生装置を提供するものである。  Therefore, the present invention provides a sterilizing means using metal ions and ionic water, and a metal ion generator in order to solve the above-mentioned conventional problems.

吸水性のある各種合成樹脂粉末中に銅粉を40〜60%(重量%)混練して殺菌材料とし、これを粒状(顆粒)に成形したものを砂中に混入することにより砂中の雑菌の繁殖を防止するものである。また砂の表面に金属イオンの被膜を設けても良い。  40-60% (wt%) copper powder is kneaded in various water-absorbing synthetic resin powders to make a sterilizing material, which is molded into granules (granulates) and mixed in the sand, thereby miscellaneous bacteria in the sand It is intended to prevent the breeding. Further, a metal ion film may be provided on the surface of the sand.

水槽内で銅又は銀の金属イオンを溶出させてイオン水を発生させ、これを活け花用水、浴槽水、クーリングタワーの冷却水、ウオーターベッド、機械工場の切削油の混合水として利用することにより水の腐敗を防止する。  By eluting copper or silver metal ions in the aquarium to generate ionized water, this is used as a mixture of ikebana water, bathtub water, cooling tower cooling water, water bed, and machine factory cutting oil. To prevent corruption.

水槽内に対設した金属電極に通電することによりイオン水を発生させる金属イオン発生装置。  A metal ion generator that generates ionized water by energizing a metal electrode provided in a water tank.

本発明の殺菌材料を砂と混合して約3ヵ月間放置し、子ども達を遊ばせたが砂中に細菌は全く見られなかった。
また、金属イオン発生装置によるイオン水を砂場に散布し、約10日間放置し、子ども達を遊ばせたが砂中に細菌は全く見られなかった。
The sterilizing material of the present invention was mixed with sand and allowed to stand for about 3 months to play children, but no bacteria were found in the sand.
Ion water from a metal ion generator was sprayed on the sandbox and left for about 10 days to let the children play, but no bacteria were found in the sand.

金属イオン水を使用した場合、濃度は雨等が降らなければ長期間殆ど変わらないが、雨が降るとイオン濃度が低下することがわかった。
ここで使用する本発明殺菌材料及び砂中に散布する金属イオン水は安全で人体に全く無害なものである。
When metal ion water was used, the concentration remained almost unchanged for a long time unless it rained, but it was found that the ion concentration decreased when it rained.
The sterilizing material of the present invention and the metal ion water sprayed in the sand used here are safe and completely harmless to the human body.

更に金属イオン発生装置によるイオン水を上記砂場の衛生管理に使用するだけでなく日常生活における水利用分野でその効果を上げることができる。  Furthermore, the ionic water by the metal ion generator can be used not only for the hygiene management of the sandbox but also in the water use field in daily life.

以下本発明について実施例により詳細に説明する。
本発明で使用する殺菌材料は合成樹脂中に銅粉を40〜60(重量%)混入し、これを押し出し成形機にて混練し乍ら、直径約2〜3mmの紐状に押し出し、更にこれを直径1〜2mmの粒状(顆粒)に成形する。
尚、合成樹脂としては、樹脂単体又は2種以上の混合樹脂を使用する。
Hereinafter, the present invention will be described in detail with reference to examples.
In the sterilizing material used in the present invention, 40 to 60% (by weight) of copper powder is mixed in a synthetic resin, and this is kneaded with an extrusion molding machine, and then extruded into a string shape having a diameter of about 2 to 3 mm. Is formed into granules having a diameter of 1 to 2 mm.
In addition, as a synthetic resin, a resin simple substance or 2 or more types of mixed resin is used.

砂の殺菌材料は砂の比重即ち2.5に対して2.0程度にすることが最も望ましく、それは砂に混合し使用した時比重が大き過ぎると殺菌材料が砂の下部に沈んでしまい殺菌効果が著しく低減する恐れがあり、或いは全く無くなる恐れがある。  It is most desirable that the sterilizing material for sand should be about 2.0 relative to the specific gravity of sand, that is, 2.5. If the specific gravity is too high when mixed with sand, the sterilizing material will sink to the bottom of the sand and sterilize. The effect may be significantly reduced or may be lost altogether.

銅粉の混合比は混合する樹脂の比重に合わせて混合し、銅粉量は40〜60(重量%)程度である。混合する樹脂は何れの種類の樹脂を用いても良いが、好ましくは吸水性の高い樹脂がより好ましい。  The mixing ratio of the copper powder is mixed according to the specific gravity of the resin to be mixed, and the amount of copper powder is about 40 to 60 (% by weight). Although any kind of resin may be used as the resin to be mixed, a resin having high water absorption is more preferable.

次に他の一つの殺菌方法としては、銅或いは銀等の金属イオン発生装置によって発生させたイオン水を砂場に散水し、砂粒表面に金属イオンの被膜を付着形成させて砂場の殺菌を行う方法である。  Next, as another sterilization method, a method of sterilizing a sandbox by spraying ion water generated by a metal ion generator such as copper or silver into a sandbox, and forming a metal ion coating on the surface of the sand grain. It is.

以上は砂場の殺菌方法であったが、イオン水を寺院の花瓶の水として用い、自然減少量だけ補充し2ヵ月間観察したが、通常なら毎日水替えしても10日位が限界であるがイオン水では腐敗がなく花や葉が褪色せず長期間良好な状態を保つことができた。  The above is the sandbox sterilization method. Ionized water was used as the water in the temple vase, and it was replenished by a natural decrease amount and observed for 2 months. However, ionic water did not rot and the flowers and leaves did not fade and could be kept in good condition for a long time.

またイオン水を浴槽水として3ヵ月間用いたがレジオネラ菌や大腸菌が見られず、通常は3日目頃からレジオネラ菌や大腸菌が増え5日間で水の入れ替えていた。
其の他イオン水を同様にクーリングタワーの冷却水として用いるとこれまで問題となっていたレジオネラ菌や大腸菌が見られず、従って極めて衛生的な状態を保てた。
Ion water was used for 3 months as bath water, but Legionella bacteria and E. coli were not seen, and Legionella bacteria and Escherichia coli increased usually from around the third day, and the water was replaced in 5 days.
When other ionic water was similarly used as cooling water for the cooling tower, Legionella bacteria and Escherichia coli, which had been problematic until now, were not seen, and therefore, the hygienic state was maintained.

他にウオーターベッドのクッション水として用いたが3年経過しても水の腐敗はなく、これまでと異なり水の変色も見られず極めて良好な結果が得られた。その他機械工場の切削油として用いる混合水(切削油10%:水90%)に利用した場合は、通常2乃至3日程度で水の酸化(腐敗)が始まり悪臭が発生していたが、本実施例ではそうした状態とは成らず良い環境が保たれた。  Although it was used as cushion water for water beds, water did not rot even after 3 years, and no discoloration of water was observed. When used for mixed water (cutting oil 10%: water 90%) used as cutting oil in other machine factories, water oxidation (rot) usually started in about 2 to 3 days. In the example, such a state was not achieved and a good environment was maintained.

以下前記金属イオン発生装置を図面に示す実施例により詳細に説明する。
図1は本発明金属イオン発生装置の縦断面図であり、金属イオン発生装置は水タンク14中に銅又は銀を60(重量%)以上含む金属からなる棒状の電極1を絶縁スリーブ3を介してボルト4により固定すると共にボルト4には、電極1に通じるリード端子5を螺着して直流電源に接続している。
Hereinafter, the metal ion generator will be described in detail with reference to embodiments shown in the drawings.
FIG. 1 is a longitudinal sectional view of a metal ion generator according to the present invention. In the metal ion generator, a rod-shaped electrode 1 made of metal containing copper (60% by weight) or more in a water tank 14 is interposed through an insulating sleeve 3. The lead terminal 5 leading to the electrode 1 is screwed to the bolt 4 and connected to a DC power source.

又、前記電極1と対応するように半月状の電極板2、2を対向させブラケット10に取付ボルト7、8により固定すると共に電極板2、2にはブラケット10を介して通電を図る為のリード端子6を螺着して前記電源の片方(陰極)に接続しており、ブラケット10にはキャップ13を螺着している。  In addition, the half-moon-shaped electrode plates 2 and 2 are opposed to each other so as to correspond to the electrode 1 and are fixed to the bracket 10 by mounting bolts 7 and 8, and the electrode plates 2 and 2 are energized via the bracket 10. A lead terminal 6 is screwed and connected to one side (cathode) of the power source, and a cap 13 is screwed to the bracket 10.

ブラケット10はフランジ9によって水タンク14の蓋15上に乗せ被せて固定し、水タンク14には所定量の水を注入し水中ポンプ12により攪拌する事によりイオン水が発生する。こうして得られたイオン水を実際に利用するにはイオン濃度を調整する必要があり、従って金属イオンの溶出時間を変えることにより利用目的に応じた濃度のイオン水が得られ、所定濃度に達した時これを水中ポンプ11によって砂場へ散布する。尚、図中符号16は吸排気孔を示す。  The bracket 10 is placed and fixed on the lid 15 of the water tank 14 by the flange 9, and a predetermined amount of water is injected into the water tank 14 and stirred by the submersible pump 12 to generate ionic water. In order to actually use the ionic water obtained in this way, it is necessary to adjust the ionic concentration. Therefore, by changing the elution time of metal ions, ionic water having a concentration according to the purpose of use was obtained and reached a predetermined concentration. This is sprayed to the sandbox by the submersible pump 11. In the figure, reference numeral 16 denotes an intake / exhaust hole.

前記水中タンク14内に設置した金属イオン発生用の電極1・2に一定の電流を通電することにより水中には銅を電極とした場合は銅イオン、また電極を銀電極とした場合銀イオンが発生することになり、十分な濃度に達すればポンプ11によって砂場へ散布し、細菌の発生を防止するものである。  By supplying a constant current to the metal ion generating electrodes 1 and 2 installed in the underwater tank 14, copper ions are used in the water when copper is used as electrodes, and silver ions are used when the electrodes are used as silver electrodes. If it reaches a sufficient concentration, it is sprayed to the sandbox by the pump 11 to prevent the generation of bacteria.

金属イオン発生装置の縦断面図Vertical section of metal ion generator

符号の説明Explanation of symbols

1 電極
2 電極
7 取付ボルト
8 取付ボルト
9 フランジ
11 水中ポンプ
12 水中ポンプ
13 キャップ
14 水タンク
1 Electrode 2 Electrode 7 Mounting bolt 8 Mounting bolt 9 Flange 11 Submersible pump 12 Submersible pump 13 Cap 14 Water tank

Claims (4)

合成樹脂の単体又は2種以上の合成樹脂に純銅粉を40〜60(重量%)を混合し押出機にて紐状に押し出し、これを1〜2mmの粒状(顆粒)に成形したことを特徴とする砂の殺菌材料。40% to 60% (by weight) of pure copper powder is mixed with a single synthetic resin or two or more types of synthetic resins and extruded into a string shape with an extruder, which is formed into 1 to 2 mm granules. And sterilizing material for sand. 砂の表面に金属イオンの被膜を設けたことを特徴とする砂の殺菌方法。A method for sterilizing sand characterized by providing a coating of metal ions on the surface of sand. 金属イオンを有するイオン水を活け花其の他クーリングタワー等に用いたことを特徴とする水の殺菌方法。A method for sterilizing water characterized by using ionic water having metal ions in a flower tower or other cooling tower. 水中に対設した金属電極から金属イオンを発生させるようにしたことを特徴とする金属イオン発生装置。A metal ion generator characterized in that metal ions are generated from a metal electrode provided in water.
JP2007089377A 2006-08-02 2007-03-01 Sterilization material and sterilization method and apparatus for producing metal ion Pending JP2008056655A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7954939B2 (en) 2008-01-29 2011-06-07 Noritsu Koki Co., Ltd. Decurling mechanism
JP2017083135A (en) * 2015-10-30 2017-05-18 東芝プラントシステム株式会社 Legionella bacteria countermeasure system for water-cooled substation, cooled body cooling system, legionella bacteria countermeasure method, and cooled body cooling method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07165521A (en) * 1993-12-15 1995-06-27 Tokai Kogyo Kk Antibacterial sand and its production
JPH08281274A (en) * 1995-04-10 1996-10-29 Akio Sawashita Sterilizing material for sea water

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07165521A (en) * 1993-12-15 1995-06-27 Tokai Kogyo Kk Antibacterial sand and its production
JPH08281274A (en) * 1995-04-10 1996-10-29 Akio Sawashita Sterilizing material for sea water

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7954939B2 (en) 2008-01-29 2011-06-07 Noritsu Koki Co., Ltd. Decurling mechanism
JP2017083135A (en) * 2015-10-30 2017-05-18 東芝プラントシステム株式会社 Legionella bacteria countermeasure system for water-cooled substation, cooled body cooling system, legionella bacteria countermeasure method, and cooled body cooling method

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