JP2001038317A - Device for preventing inside of water storage tank from being stained - Google Patents
Device for preventing inside of water storage tank from being stainedInfo
- Publication number
- JP2001038317A JP2001038317A JP11215652A JP21565299A JP2001038317A JP 2001038317 A JP2001038317 A JP 2001038317A JP 11215652 A JP11215652 A JP 11215652A JP 21565299 A JP21565299 A JP 21565299A JP 2001038317 A JP2001038317 A JP 2001038317A
- Authority
- JP
- Japan
- Prior art keywords
- water
- storage tank
- water storage
- tank
- impurities
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は貯水タンクの汚れ防
止装置に関し、特にビルの屋上や地下等に設置して、ビ
ル内での使用のために長時間上水を大量に貯蔵しておく
貯水タンクの、内部の汚れを防止する装置に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing contamination of a water storage tank, and more particularly to a water storage for installing a large amount of water for a long time for use in a building by installing it on the roof or underground of a building. The present invention relates to a device for preventing dirt inside a tank.
【０００２】[0002]
【従来の技術】高層化するビルの内部で必要とされる上
水を円滑に供給するために、当該のビルの屋上等に貯水
タンクを設置し、その内部にあらかじめ上水を貯蔵して
おき、落差等を利用して配水する施設が用いられてい
る。又美観上の理由等から上記の貯水タンクをビルの地
下に設置し、上水の使用時にポンプで必要とされる場所
に押し上げて配水することも行われている。貯蔵して使
用される上水は、通常地方公共団体等による給水事業に
より、公衆衛生関係法規が飲み水として指定する程度以
上に、浄化殺菌が施されて配給されている。2. Description of the Related Art A water storage tank is installed on the roof of a building or the like in order to smoothly supply water required inside a building to be raised, and water is stored in advance inside the tank. Facilities are used to distribute water using heads. For aesthetic reasons and the like, the above-mentioned water storage tank is installed in the basement of a building, and when water is used, the water is pushed up to a place required by a pump to distribute water. Water stored and used is usually purified and disinfected and distributed to a degree greater than the level specified as drinking water by public health laws and regulations by a water supply business by a local government or the like.
【０００３】飲み水としての利用に適する程度に十分浄
化殺菌されている上水といえども、通常飲用には問題の
ない程度の無機物や有機物を不純物として含んでいる。
タンク等に上水を貯蔵すると、水垢と通称される、水に
溶解していたこれら無機物や有機物の不純物の析出およ
び沈着が生じてくる。これは、貯蔵された水の表面近傍
でその一部が常時蒸発し、水の体積の減少により新たに
露出した側壁表面に、溶解していた無機物や有機物の不
純物が表面張力により残置され固形分となって析出する
ことにより発生する。通常の貯水タンクでは貯蔵した上
水の使用により、又その時点の使用量と新規の給水量の
アンバランスにより、その水位が常に変化しているの
で、表面水位のありえる場所の全て、即ち貯水タンク内
部側壁の殆ど全域で水垢の付着が発生する。[0003] Even though clean water is sufficiently purified and sterilized so as to be suitable for use as drinking water, it usually contains inorganic and organic substances as impurities that are not problematic for drinking.
When water is stored in a tank or the like, precipitation and deposition of these inorganic and organic impurities dissolved in water, which are commonly called scales, occur. This is because part of the stored water constantly evaporates near the surface and the dissolved inorganic and organic impurities remain on the newly exposed side wall surface due to the surface tension due to the decrease in the volume of the water. This is caused by precipitation. In ordinary water storage tanks, the water level is constantly changing due to the use of stored clean water, and the imbalance between the amount of water used at that time and the amount of new water supply. Adhesion of scale occurs almost all over the inner side wall.
【０００４】貯水タンクの限られた体積内に流入する、
膨大な量の上水に含まれる無機物や有機物の不純物の総
量は、累計すれば同様に大量なものであるが、普通には
消費される上水中に許容される程度の濃度で溶け込んで
いるので大半が貯水タンク外に流出していく。しかしな
がら、上水中に含まれる無機物や有機物の不純物は通常
ステンレス鋼板等である貯水タンク内部の清浄表面より
組成が同じである水垢の上に堆積しやすいので、貯水タ
ンクの内壁表面に水垢が付着し始めるとその上に不純物
が続々と集積する。このため上記の常に変化する表面水
位線近傍での蒸発と不純物の析出の繰り返し、および既
に形成された水垢が水中に没している部分の上に、水に
溶解していた無機物や有機物の不純物が再度析出し、水
線上に露出されることで乾燥により固化する。この繰り
返しにより、貯水タンク内部に固形分として強固に付着
する無機物や有機物の不純物は、加速度的に成長してゆ
き、貯水タンクの内壁表面はその時点の水位線の高低に
関わらず、水垢と通称される無機物や有機物の不純物の
強固な集積所となる。この不純物の団塊は、雑菌の繁殖
に好適な培地となり、汚れを放置すれば貯水タンク内部
の水は、不純物ばかりでなく雑菌さえもが共存する不衛
生な環境に貯蔵されることになる。[0004] into the limited volume of the water storage tank,
The total amount of inorganic and organic impurities contained in the enormous amount of clean water is also a large amount when accumulated, but it is dissolved in the water that is normally consumed at an acceptable concentration. Most of them flow out of the water storage tank. However, inorganic and organic impurities contained in tap water tend to accumulate on the scale with the same composition as the clean surface inside the water tank, which is usually a stainless steel plate, etc., so that the scale adheres to the inner wall surface of the water tank. When it starts, impurities accumulate on it one after another. For this reason, the evaporation and the precipitation of impurities near the constantly changing surface water line described above are repeated, and the impurities of inorganic or organic substances dissolved in water are placed on the part where the already formed scale is submerged in water. Precipitates again and is solidified by drying by being exposed on the water line. By this repetition, the impurities of inorganic and organic substances firmly attached as solids inside the water storage tank grow at an accelerated rate, and the inner wall surface of the water storage tank is commonly called water scale regardless of the level of the water level line at that time. It becomes a strong accumulation place of the impurities of the inorganic and organic substances. The conglomerate of impurities becomes a medium suitable for propagation of various bacteria, and if the dirt is left, the water in the water storage tank will be stored in an unsanitary environment where not only impurities but also various bacteria coexist.
【０００５】上記の事態は時間とともに進行するので、
清浄な貯水タンクであれば本来は通過していくのみであ
る大量の上水に含まれる殆どの無機物や有機物の不純物
が、あたかもフィルターで濃縮したように貯水タンクの
内壁表面に逐次堆積されて水質悪化の原因となったり、
極端な場合には水質の悪化に起因する集団食中毒の原因
となったりする。これらの問題に対処するため、保健上
の必要から容量１０トン以上の貯水槽は、法律により年
一回以上の内部洗浄を義務づけられているが、法律が義
務づける範囲内の措置では、高温となる夏場は特に水温
気温が雑菌の繁殖に好適で、年一回では不十分であり衛
生上も好ましくない。衛生状態を保つための上記の洗浄
作業は、水を全部排出したタンク内で、貯水タンクの内
壁表面の至る所に沈着して水垢との通称からは想像もで
きない、こぶし大にまで成長固化した無機物や有機物の
不純物のこぶ状の堆積を、洗浄剤を付けたデッキブラ
シ、へら等で作業員がこすり落としたり、又は例えば特
開平７−１５０６００号に開示されているように、作業
車から送られる高圧水と高圧空気を噴射し、モーターを
用いた研磨装置により作業者が貯水タンク内部で固着物
を取り除くなどの、人手または大がかりな装置を必要と
する重労働かつ危険なものであり、安価に効率よく実施
できるものではない。またその洗浄作業中は貯水タンク
を使用することができないので、その経費と相俟って容
易に実施できるものではない。Since the above situation progresses with time,
Most of the inorganic and organic impurities contained in a large amount of clean water that would otherwise only pass through a clean water storage tank are sequentially deposited on the inner wall surface of the water storage tank as if concentrated by a filter. Cause deterioration,
In extreme cases, it can cause food poisoning due to poor water quality. To address these issues, water tanks with a capacity of 10 tons or more are required by law to be cleaned at least once a year due to health needs. However, measures that are required by law require high temperatures. In summer, the water temperature and temperature are particularly suitable for the propagation of various germs, and once a year is insufficient, which is not preferable in terms of hygiene. The above-mentioned cleaning work to maintain sanitary conditions, in the tank that drained all the water, settled everywhere on the inner wall surface of the water storage tank and grew and solidified to a fist size that can not be imagined from the common name of water scale Workers scrub the bump-like accumulation of inorganic or organic impurities with a deck brush, spatula, or the like to which a cleaning agent has been applied, or send it from a work vehicle, for example, as disclosed in JP-A-7-150600. High-pressure water and high-pressure air are sprayed, and a grinder that uses a motor removes solid matter inside the water storage tank. It cannot be implemented efficiently. In addition, since the water storage tank cannot be used during the cleaning operation, it cannot be easily implemented due to its cost.
【０００６】さらに、多くの貯水タンクでは需要が最大
量となる季節にも水が不足することがないよう、また火
災等の緊急時にはきわめて短時間内に消化に必要な大量
の水が供給できるよう、使用上および保安上の必要か
ら、日常の必要量を勘案すると極端に大量の水を貯蔵し
ている。このため平常時は不自然なまでに大量の水が貯
蔵されて滞留し、上記の衛生上の問題を悪化させる要因
となっている。[0006] Furthermore, in many water storage tanks, there is no shortage of water even in the season when the demand is maximum, and in the event of an emergency such as a fire, a large amount of water required for digestion can be supplied within a very short time. Due to the need for use and security, an extremely large amount of water is stored in consideration of daily requirements. For this reason, unnaturally large amounts of water are stored and stay unnaturally during normal times, which is a factor that worsens the above-mentioned sanitary problems.
【０００７】[0007]
【発明が解決しようとする課題】この、長期に貯蔵され
た上水の水質悪化による衛生上の問題は、清潔を過度に
要求する風潮が見られる現代に於いても、目に触れるこ
とが少ないため従来は強調されることは少なかった。
が、その危険性は声を大にしていうべき段階にあり、都
会人の慢性病やアレルギーの原因であるとする説もあ
る。しかしながら的確な対処法が無かったため、看過せ
ざるを得ない状況にあった。直截な対策は、日常の貯蔵
量を少なくして滞留する上水を減らすことであるが、こ
の対処法は非常時に利用可能な水量とトレードオフの関
係にあり、健康を優先して貯水量を削減することは非常
時への備えが低下することにつながり好ましくない。又
衛生と健康の二つの問題の両立のためには、健康を優先
して長期に貯蔵された大量の水を適宜に捨てる等の措置
が可能であるが、時代が要求する省資源の動きとは相反
する対策になる。The problem of hygiene caused by the deterioration of the quality of water stored for a long period of time is rarely noticeable even in the current tide where excessive cleanliness is required. Therefore, there has been little emphasis in the past.
However, there is a theory that the danger is at a stage where it is necessary to speak out loud, and that it is a cause of chronic diseases and allergies in urban people. However, there was no proper way to deal with it, so it had to be overlooked. The straightforward measure is to reduce the amount of water stored by reducing the daily storage, but this measure has a trade-off relationship with the amount of water available in an emergency. Reduction is not preferable because it reduces emergency preparedness. In order to balance the two issues of hygiene and health, it is possible to appropriately dispose of a large amount of water stored for a long period of time, giving priority to health. Is a conflicting measure.
【０００８】滞留する水の質を悪化させる上記の諸問題
の解決には、貯水タンク内部の無機物や有機物の不純物
の堆積を防止し、供給された上水中に不可避的に溶解し
て存在する無機成分や有機成分を、貯蔵する貯水タンク
表面上に強固に付着させず、それを契機として不純物の
濃縮を惹き起して雑菌を繁殖させる培地を形成させない
ことが必要である。ふとしたことから偶々無機物や有機
物の不純物が貯水タンク表面に固着することがあって
も、その固着物を少量のうちに速やかに取り除き、水中
に再度溶解させて供給水程度の不純物濃度のまま使用さ
れる上水中に少量づつ適宜排出するか、又は再度溶解せ
ずとも微少な固形不純物として配水システム内の濾過装
置で取り除くことで、常にタンク内壁表面を清潔に保つ
ことが同様に必要である。[0008] In order to solve the above-mentioned problems that deteriorate the quality of retained water, it is necessary to prevent the accumulation of impurities such as inorganic and organic substances inside the water storage tank, and to dissolve inorganic water that is inevitably dissolved in the supplied tap water. It is necessary that the components and the organic components are not firmly attached to the surface of the storage tank for storage, and that they do not cause the concentration of impurities to form a medium for propagation of various bacteria. Even if inorganic or organic impurities may accidentally stick to the surface of the storage tank due to accidental accidents, the solid matter is quickly removed in a small amount, dissolved again in water, and used at the same impurity concentration as the supply water. It is also necessary to keep the tank inner wall surface clean at all times by draining it in small quantities into the tap water or by removing it as fine solid impurities with a filtration device in the water distribution system without re-dissolving.
【０００９】本発明の目的は、上水を大量に貯蔵する貯
水タンクの内壁表面を常に清潔に保ち、上水の滞留時間
が長くなっても無機物や有機物の不純物の団塊を貯水タ
ンクの内壁表面に形成させず、それを培地として雑菌が
貯水タンク内で繁殖することがなく、又それによって水
質の悪化等の衛生上の問題を惹起せず、従って貯水量を
削減して非常時への備えを低下させたり、水質が悪化し
た貯水タンク内の上水を捨てたりすることのない、水資
源を有効に活用して無駄にすることのない、内部汚れの
防止が実現された貯水タンクを提供することである。SUMMARY OF THE INVENTION It is an object of the present invention to keep the inner wall surface of a water storage tank for storing a large amount of clean water always clean, and to prevent nodules of inorganic and organic impurities from remaining on the inner wall surface of the water tank even if the residence time of the clean water is long. As a culture medium, it does not allow germs to propagate in the water storage tank, and thereby does not cause hygiene problems such as deterioration of water quality, thus reducing the amount of water storage and preparing for an emergency. Provide a water storage tank that does not reduce internal pollution and prevents water pollution by effectively using water resources without wasting water in the water storage tank whose water quality has deteriorated. It is to be.
【００１０】また本発明の別の目的は、常にその内壁表
面を清潔に保つ機能を有する、貯水タンクのための内部
汚れ防止装置を提供することにより、貯水タンク内部に
集積して強固に付着した汚濁物質の量を削減し、それに
よって法律に定められた貯水タンク内部の洗浄作業を容
易かつ安価に実施可能なものとした、貯水タンクの内部
汚れ防止装置を提供することである。[0010] Another object of the present invention is to provide an internal dirt prevention device for a water storage tank having a function of always keeping the inner wall surface clean, so that the device is integrated and strongly adhered inside the water storage tank. An object of the present invention is to provide a device for preventing internal contamination of a water storage tank, in which the amount of pollutants is reduced, thereby making it possible to easily and inexpensively perform cleaning work inside the water storage tank as required by law.
【００１１】[0011]
【課題を解決するための手段】上記の課題を解決するた
めに、本発明の請求項１に係る貯水タンクの内部汚れ防
止装置は、貯水タンク内部に配設されモーター等の駆動
手段により回転駆動される回転軸と、該回転軸に固定さ
れた保持体と、該保持体に取り付けられた表面清拭具と
からなり、該回転軸により回転される該保持体に伴って
該表面清拭具が貯水タンクの内壁表面を摺動することを
特徴とする。According to a first aspect of the present invention, there is provided an apparatus for preventing contamination of an inside of a water storage tank, the apparatus being provided inside the water storage tank and being rotationally driven by driving means such as a motor. A rotating shaft, a holding body fixed to the rotating shaft, and a surface wiping tool attached to the holding body, and the surface wiping tool is attached to the holding body rotated by the rotating shaft. Slides on the inner wall surface of the water storage tank.
【００１２】かかる構成により、本発明に係る貯水タン
クの内部汚れ防止装置においては、回転駆動される回転
軸に固定された保持体に取り付けられた表面清拭具が、
該保持体の運動に伴って貯水タンクの内壁表面を摺動し
て払拭する。この摺動動作により、貯水タンクの内壁表
面が該表面清拭具によりこすられて払拭されているの
で、上水中に溶解している無機物や有機物の不純物が、
貯水タンクの内壁表面に析出することが無い。また偶々
局所的に析出したとしても、固化せず柔らかいうちに表
面清拭具の摺動によりこすり落とされ、再度溶解されて
上水の使用時に流出されたり、又は水中に浮遊する微少
な固形の不純物として配水システムの濾過装置で取り除
かれる。このために、析出部分の上にさらに無機物や有
機物の不純物が堆積して、水位の低下により大気に触れ
て固化し、この繰り返しにより目視可能なまでに成長し
て団塊化し、雑菌の繁殖の培地となり水質をさらに悪化
させる等の事態の発生前に汚れの元が取り除かれ、貯水
タンクの内壁表面を常に清潔に保つことができる。[0012] With this configuration, in the device for preventing internal contamination of a water storage tank according to the present invention, the surface wiping tool attached to the holding member fixed to the rotating shaft that is driven to rotate is:
With the movement of the holder, the inner wall surface of the water storage tank is slid and wiped. Due to this sliding operation, the inner wall surface of the water storage tank is rubbed and wiped by the surface cleaning tool, so that inorganic and organic impurities dissolved in the tap water,
There is no precipitation on the inner wall surface of the water storage tank. Also, even if it is deposited locally by accident, it is rubbed off by sliding of the surface cleaning tool while it is soft without solidifying, it is dissolved again and flows out when using clean water, or a fine solid that floats in water It is removed as impurities in the filtration system of the water distribution system. For this reason, impurities of inorganic and organic substances further accumulate on the deposited part, and solidify by contact with the atmosphere due to the decrease in water level, and by this repetition it grows to be visible and clumps, and a culture medium for propagation of various bacteria The source of dirt is removed before a situation such as worsening the water quality occurs, and the inner wall surface of the water storage tank can always be kept clean.
【００１３】また貯水タンク内部は強固に付着した不純
物に覆われることがないため、法定の洗浄作業は内部を
高圧水や高圧空気またはモーターで駆動される研磨機等
でこすり落とさなければならないような困難なものでは
なく、洗剤を染み込ませたスポンジ等で拭えば済む程度
の軽作業となるので、容易かつ安価に実施可能で、また
その実施回数を衛生上の目的のために法定以上に高める
必要がない貯水タンクが実現される。In addition, since the inside of the water storage tank is not covered with strongly adhered impurities, legal cleaning work requires rubbing the inside with high-pressure water, high-pressure air, a motor-driven polishing machine, or the like. It is not difficult, and it can be done easily and inexpensively because it is a light work that can be wiped with a sponge soaked with detergent, and the number of times it needs to be performed is more than legally required for sanitary purposes No water storage tank is realized.
【００１４】また請求項２に係る貯水タンクの内部汚れ
防止装置は、該保持体が該回転軸により回転されるとき
に、該回転軸と対向する貯水タンクの内部側壁との距離
の変化に応じて、該保持体がスプリングの弾発力を利用
してその長さを自動的に伸縮する伸縮機構を備え、該表
面清拭具が常に貯水タンクの内部側壁に圧接するように
されていることを特徴とする。According to a second aspect of the present invention, there is provided an apparatus for preventing internal contamination of a water storage tank according to a change in a distance between the rotation axis and an internal side wall of the water storage tank facing the rotation axis when the holder is rotated by the rotation axis. The holding body is provided with a telescopic mechanism that automatically expands and contracts its length by using the spring force of the spring, and the surface wiping tool is always pressed against the inner side wall of the water storage tank. It is characterized by.
【００１５】かかる構成により、本発明の請求項２に係
る貯水タンクの内部汚れ防止装置においては、回転軸と
貯水タンクの内部側壁との距離に関わりなく、その変化
に応じて保持体が回転されるときに、スプリングの弾発
力を利用して保持体の長さを自動的に伸縮し、表面清拭
具が常に貯水タンクの内部側壁に圧接されるので、表面
清拭具による貯水タンク内部の表面払拭効果はさらに確
実に高められ、常に内部を清潔に保つことができる貯水
タンクが実現される。With this configuration, in the water tank internal contamination preventing apparatus according to the second aspect of the present invention, the holder is rotated according to the change regardless of the distance between the rotating shaft and the internal side wall of the water storage tank. When the spring is used, the length of the holder is automatically expanded and contracted using the elastic force of the spring, and the surface cleaning device is constantly pressed against the inner side wall of the water storage tank. The surface wiping effect is more reliably enhanced, and a water storage tank that can always keep the inside clean is realized.
【００１６】また請求項２に係る貯水タンクの内部汚れ
防止装置においては、現実の貯水タンクの内部側壁と回
転軸との距離に応じて、保持体の長さを自動的に変化さ
せることができるので、貯水タンクが必ずしも真の円形
でない場合にも、又は回転軸やその保持体の取り付けが
貯水タンクの真の中心ではなくても、該保持体に取り付
けられた表面清拭具は、貯水タンクの内部側壁から離れ
ることなく、内部側壁を常に圧接しながら払拭するの
で、その効果をさらに高めることができる。Further, in the device for preventing internal contamination of the water storage tank according to the second aspect, the length of the holder can be automatically changed according to the actual distance between the inner side wall of the water storage tank and the rotating shaft. Therefore, even if the water storage tank is not necessarily a true circular shape, or even if the rotating shaft and its holder are not at the true center of the water storage tank, the surface wiping tool attached to the holder is required to be a water storage tank. The inner wall is always wiped while being pressed against the inner wall without leaving the inner wall, so that the effect can be further enhanced.
【００１７】[0017]
【発明の実施の形態】以下本発明に係る貯水タンクの内
部汚れ防止装置の実施の形態を、図面に基づいて詳細に
説明する。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of an apparatus for preventing internal contamination of a water storage tank according to the present invention.
【００１８】図１は、本発明に係る貯水タンクの内部汚
れ防止装置の実施の形態の一例を施した、貯水タンクの
縦断面図である。図２は、図１の内部汚れ防止装置に用
いられる、表面清拭具の一例を示す斜視図である。図３
は、図１の汚れ防止装置に用いられる、保持体の伸縮機
構の一例の内部構造を示す斜視図である。図４は、図１
の内部汚れ防止装置に用いられる、保持体の長さ調節機
構を示す斜視図である。FIG. 1 is a longitudinal sectional view of a water storage tank to which an embodiment of an apparatus for preventing internal contamination of a water storage tank according to the present invention is applied. FIG. 2 is a perspective view showing an example of a surface wiping tool used in the internal contamination prevention device of FIG. FIG.
FIG. 2 is a perspective view showing an internal structure of an example of a holding body expansion / contraction mechanism used in the stain prevention device of FIG. 1. FIG.
It is a perspective view which shows the length adjustment mechanism of a holding body used for the internal dirt prevention device of FIG.
【００１９】図１には、図示しない架台に固定して支持
されている、ビルの屋上等に設置された本例ではステン
レス鋼板製である、略円形の貯水タンク１が示されてい
る。この貯水タンク１には、図示しない給配水システム
と接続された、給水口２および配水口３が設けられてい
る。通常は夜間の安価な電力を利用して、地方自治体等
の供給する上水を給水口２へポンプアップして取り入れ
て貯蔵し、ビル内の各配水設備に接続されている配水口
３から落差等を利用して、各階へ配水している。FIG. 1 shows a substantially circular water storage tank 1 made of a stainless steel plate in this example and installed on the roof of a building and fixedly supported on a stand (not shown). The water storage tank 1 is provided with a water supply port 2 and a water distribution port 3 connected to a water supply and distribution system (not shown). Normally, inexpensive electricity at night is used to pump up the water supplied by the local government, etc. to the water supply port 2 to be taken in and stored, and the water is dropped from the water supply port 3 connected to each water distribution facility in the building. Water is distributed to each floor using such as.
【００２０】この貯水タンク１は、図示しないボルトと
ナットにより頂部１Ａがタンク本体１Ｂと分離可能に接
続されている。それらのボルトとナットを外すことで、
法定の洗浄作業時や修理の際には頂部１Ａを取り外して
内部を露出できるようになっている。以下に説明する汚
れ防止装置を組み立てる工程やその修理および保全は、
頂部１Ａをタンク本体１Ｂから取り外し上方へつり上げ
た状態で行い、施工完了後に汚れ防止装置を取り付けた
頂部１Ａをタンク本体１Ｂと接続することが好ましい。The water storage tank 1 has a top 1A detachably connected to the tank body 1B by bolts and nuts (not shown). By removing those bolts and nuts,
At the time of legal cleaning work or repair, the top 1A is detached so that the inside can be exposed. The process of assembling the dirt prevention device described below and its repair and maintenance are
It is preferable that the top 1A is detached from the tank body 1B and lifted upward, and the top 1A to which the antifouling device is attached is connected to the tank body 1B after the work is completed.
【００２１】この頂部１Ａの上に設置した本例ではギャ
ードモーターである外部の駆動手段４により回転駆動さ
れる回転軸５が、ベアリング等を介して貯水タンク１の
中心に位置するように、その底部へ向かい配設されてい
る。回転軸５には、表面清拭具７を保持する左右一対の
保持体６が回転軸５を挟むように溶接等の手段により固
定されている。この保持体６は、本例では貯水タンク１
の内部側壁方向に配置された上下二本のステンレス製の
横枠６Ａと、該横枠６Ａの先端に前記貯水タンク１の内
部側壁と概ね並行に配置された縦枠６Ｂとから構成され
ている。In this embodiment, which is mounted on the top portion 1A, a rotating shaft 5 driven by an external driving means 4 which is a geared motor is positioned at the center of the water storage tank 1 via a bearing or the like. It is located facing its bottom. A pair of left and right holders 6 for holding the surface cleaning tool 7 are fixed to the rotating shaft 5 by means such as welding so as to sandwich the rotating shaft 5. In this embodiment, the holding body 6 is used for the water storage tank 1.
The upper and lower two horizontal frames 6A made of stainless steel are arranged in the direction of the inner side wall, and a vertical frame 6B is arranged at the end of the horizontal frame 6A substantially in parallel with the inner side wall of the water storage tank 1. .
【００２２】前記保持体６の縦枠６Ｂには、図２にその
一例の詳細を示す、多数の絨毛を備えたナイロン製のデ
ッキブラシ状の表面清拭具７が、螺子１１と図示しない
ナットで取り外し可能に取り付けられている。この表面
清拭具７の絨毛側には、同じくナイロン製のローラーを
具備したステンレス鋼製の車輪状の緩衝部材１０が、そ
の突端が表面清拭具７のブラシの絨毛の先端よりわずか
に内側に隠れる位置になるように固定され、ブラシの絨
毛が貯水タンク１の側壁に所定の圧力を付加されて摺接
するように構成されている。The vertical frame 6B of the holding body 6 is provided with a nylon deck brush-like surface cleaning tool 7 having a large number of villi, as shown in detail in FIG. It is attached detachably. On the villus side of the surface wiping tool 7, a stainless steel wheel-shaped buffer member 10 also provided with a nylon roller, the tip of which is slightly inside the tip of the brush villi of the surface wiping tool 7. The villus of the brush is configured to apply a predetermined pressure to the side wall of the water storage tank 1 and slidably contact the side wall of the water storage tank 1.
【００２３】回転軸５の下側の突端には、貯水タンク１
の底面に沿って別途のステンレス鋼製の保持体６’が溶
接等の手段により固定され、その下辺のタンク底面と対
向する部分には、別途のナイロン製のデッキブラシ状の
表面清拭具７’が同様に螺子により取り外し可能に取り
付けられている。At the lower end of the rotating shaft 5, a water storage tank 1 is provided.
A separate stainless steel holder 6 'is fixed along the bottom surface of the container by means of welding or the like, and a nylon deck brush-like surface cleaning tool 7 made of a separate nylon brush is provided on the lower part thereof facing the tank bottom surface. 'Is also removably mounted by screws.
【００２４】保持体６を構成する横枠６Ａは、その回転
中心である回転軸５と、それに対向する貯水タンクの内
部側壁との距離の変化に応じて、保持体６の横枠６Ａが
スプリングの弾発力を利用してその長さを自動的に伸縮
するように、伸縮機構８を備えている。図３は、この伸
縮機構８の一例の詳細を示す斜視図である。前記伸縮機
構８は、本例では図３に示すように、前記横枠６Ａが任
意の箇所で切断二分され、一方の横枠６Ａａの切断端部
が、軸方向に弾発するステンレス製のコイルスプリング
１３を内蔵した筒体１２の一方の開口部に挿入固定さ
れ、他方の横枠６Ａｂの切断端部が前記筒体１２の他方
の開口部に、軸方向に摺動自在に嵌入され、はずれ止め
１４により筒体１２から抜け出ないような構成となっ
ている。The horizontal frame 6A of the holding body 6 is provided with a spring according to a change in the distance between the rotating shaft 5, which is the center of rotation, and the inner side wall of the water storage tank. The telescopic mechanism 8 is provided so that the length is automatically expanded and contracted by utilizing the resilience. FIG. 3 is a perspective view showing details of an example of the extension mechanism 8. As shown in FIG. 3, in the present example, the expansion and contraction mechanism 8 is a stainless steel coil spring in which the horizontal frame 6A is cut and bisected at an arbitrary position, and the cut end of one horizontal frame 6Aa is resilient in the axial direction. 13 is inserted into and fixed to one opening of the cylindrical body 12, and the cut end of the other horizontal frame 6 </ b> Ab is slidably fitted in the other opening of the cylindrical body 12 in the axial direction so as not to come off. The structure of 14 prevents the tubular body 12 from falling out.
【００２５】コイルスプリング１３は、自然長では筒体
１２の長さにほぼ等しいかまたはそれよりも長くなる
が、保持体の横枠６Ａｂによりわずかに圧縮された状態
ではずれ止め１４に最長の終端位置を規定され、筒体１
２内に収納されている。この機構により、筒体１２内で
コイルスプリング１３が内部側壁との距離の変化に応じ
て保持体の横枠６Ａｂに押圧され、その弾発力により保
持体の横枠の長さを軸方向である矢印の方向に自動的に
伸縮して、表面清拭具７が常に貯水タンクの内部側壁に
圧接されるようにする。伸縮する範囲は、コイルスプリ
ング１３の長さと筒体１２の長さで選択することができ
るので、個々のタンクの状況に応じて、この伸縮機構８
の大きさを決定すればよい。The coil spring 13 has a natural length substantially equal to or longer than the length of the cylindrical body 12, but when slightly compressed by the horizontal frame 6Ab of the holding body, the longest terminating end is provided on the slip stopper 14. Position is specified, cylinder 1
2 is stored. By this mechanism, the coil spring 13 is pressed by the horizontal frame 6Ab of the holder in the cylindrical body 12 in accordance with the change in the distance from the inner side wall, and the elastic force of the coil spring 13 changes the length of the horizontal frame of the holder in the axial direction. It automatically expands and contracts in the direction of a certain arrow so that the surface cleaning tool 7 is always pressed against the inner side wall of the water storage tank. Since the range of expansion and contraction can be selected by the length of the coil spring 13 and the length of the cylinder 12, the expansion and contraction mechanism 8 can be selected according to the situation of each tank.
May be determined.
【００２６】更に、前記保持体６の横枠６Ａには、長さ
調節機構９を備えている。図４は、この長さ調節機構９
の一例の詳細を説明する斜視図である。この長さ調節機
構９は、本例では図４に示すように、上記伸縮機構８と
同様に、前記横枠６Ａが他の任意の箇所で１６、１６’
に二分され、それぞれの端部に長穴による接続穴１５が
形成され、それぞれの端部１６，１６’同士を重ね接続
穴１５にボルト１７を通しナット１８で締め付け固定す
ることにより、前記接続穴１５の範囲で横枠６Ａの長さ
が調節できるような構成となっている。Further, a length adjusting mechanism 9 is provided on the horizontal frame 6A of the holder 6. FIG. 4 shows the length adjustment mechanism 9.
FIG. 3 is a perspective view illustrating details of an example. As shown in FIG. 4, in this example, the length adjusting mechanism 9 is arranged such that the horizontal frame 6A is positioned at other arbitrary positions 16 and 16 ′ similarly to the above-described expansion and contraction mechanism 8.
The connection hole 15 is formed by a long hole at each end. The respective ends 16 and 16 ′ are overlapped with each other, a bolt 17 is passed through the connection hole 15, and the connection hole 15 is fixed by a nut 18. The configuration is such that the length of the horizontal frame 6A can be adjusted in the range of 15.
【００２７】本例では、駆動手段４は図示しないタイマ
ー装置により、貯蔵する上水に含まれる無機物や有機物
の不純物の量および質に依存する適宜の回数および時
間、例えば一日６回１０分間ずつ通電されるか、または
オペレータの随時の判断によるスイッチ操作により通電
されて起動される。駆動手段４が起動されると、回転駆
動力を回転軸５に伝え枠体である保持体６、６’を回転
させる。保持体６の縦枠６Ｂ、および保持体６’には、
螺子１１によりねじ止めされたデッキブラシ状である表
面清拭具７、７’が取り付けられているので、回転軸５
の回転により駆動された保持体６、６’は、表面清拭具
７、７’を貯水タンク１の内壁表面に圧接させつつ回転
方向に移動させて、貯水タンク１の内壁表面を払拭す
る。In this embodiment, the driving means 4 is operated by a timer device (not shown) at an appropriate number and time depending on the amount and quality of impurities of inorganic and organic substances contained in the stored water, for example, 6 times a day for 10 minutes. It is energized, or energized and activated by a switch operation by the operator at any time. When the driving means 4 is activated, the rotational driving force is transmitted to the rotating shaft 5 to rotate the holding members 6 and 6 'which are frames. The vertical frame 6B of the holding body 6 and the holding body 6 '
Since the surface cleaning tools 7 and 7 ′ in the form of a deck brush screwed by screws 11 are attached, the rotating shaft 5
The holders 6 and 6 ′ driven by the rotation move the surface wiping tools 7 and 7 ′ in the rotation direction while pressing the surface wiping tools 7 and 7 ′ against the inner wall surface of the water storage tank 1 to wipe the inner wall surface of the water storage tank 1.
【００２８】また、図２に詳細に示される表面清拭具７
には、ナイロン製のローラーを用いたステンレス鋼製の
車輪状の緩衝部材１０が取り付けられ、ローラーの突端
が表面清拭具７のブラシの絨毛の先端よりわずかに内側
に隠れる位置になるように固定されているので、絨毛の
先端をタンク１の内部側壁に接触させた状態で緩衝部材
がタンク１の内部側壁に接触して荷重を負担するので、
伸縮機構８のスプリング１３の弾発力と貯水タンク１の
壁面からの応力の双方が、表面清拭具７の絨毛全体に直
接に賦課されて絨毛を損傷することがない。The surface cleaning tool 7 shown in detail in FIG.
, A stainless steel wheel-shaped cushioning member 10 using a nylon roller is attached so that the protruding end of the roller is slightly hidden inside the tip of the villi of the brush of the surface cleaning tool 7. Since the cushion member is in contact with the inner side wall of the tank 1 in a state where the tip of the villi is in contact with the inner side wall of the tank 1 and bears the load,
Both the elasticity of the spring 13 of the extension mechanism 8 and the stress from the wall surface of the water storage tank 1 are imposed directly on the entire villus of the surface wiping tool 7 without damaging the villi.
【００２９】図３に示される伸縮機構８では、わずかに
圧縮して内蔵されたコイルスプリング１３の弾発力が、
嵌入された保持体６Ａｂを、スプリング１３の弾発力と
壁面からの応力が釣り合う位置まで押し出す。これによ
り、保持体６に取り付けられた表面清拭具７を貯水タン
ク１の内部側壁に、スプリング１３の材質と圧縮量で定
められる所定の圧力で押圧している。製造時に発生する
貯水タンク１自身の真円からのずれや、回転軸５の設置
時に発生する回転軸５と貯水タンク１の真の中心とのず
れ等により、固定された回転軸５の中心と貯水タンク１
の内部側壁の各部分との距離は必ずしも常には一定では
ない。しかしながら、この伸縮機構８を利用した保持体
６の横枠６Ａの伸縮により、回転軸５と貯水タンク１の
内部側壁との距離の変化に応じて、保持体６の横枠６Ａ
の長さを変化させ、スプリング１３の弾発力を押圧の力
として、表面清拭具７を貯水タンクの内部側壁に常に圧
接し、その摺接払拭をさらに確実なものとする。In the expansion / contraction mechanism 8 shown in FIG. 3, the elastic force of the coil spring 13 incorporated by being slightly compressed is
The fitted holding body 6Ab is pushed out to a position where the resilience of the spring 13 and the stress from the wall balance. Thus, the surface wiping tool 7 attached to the holder 6 is pressed against the inner side wall of the water storage tank 1 with a predetermined pressure determined by the material of the spring 13 and the amount of compression. The center of the fixed rotating shaft 5 may be shifted due to deviation from the true circle of the water storage tank 1 itself at the time of manufacturing or deviation between the rotating shaft 5 and the true center of the water storage tank 1 generated at the time of installation of the rotating shaft 5. Water storage tank 1
Is not always constant. However, the expansion and contraction of the horizontal frame 6A of the holder 6 using the expansion and contraction mechanism 8 causes the horizontal frame 6A of the holder 6 to change according to a change in the distance between the rotating shaft 5 and the inner side wall of the water storage tank 1.
The surface cleaning device 7 is always pressed against the inner side wall of the water storage tank by using the elastic force of the spring 13 as a pressing force, and the sliding contact wiping is further ensured.
【００３０】また図４に示される長さ調節機構９によ
り、保持体６の取り付け長さを貯水タンク１に合わせて
最適の位置に微調節できるほか、保持体６の全体を一体
に形成する必要が無くなり、部分的に作成してその製造
や屋上への搬入、タンク内への取り付け時の扱いを簡便
化することができる。Further, the length adjusting mechanism 9 shown in FIG. 4 allows the mounting length of the holder 6 to be finely adjusted to an optimum position in accordance with the water storage tank 1, and the entire holder 6 must be integrally formed. , Which can be partially created and simplified in its manufacture, loading into a rooftop, and handling during installation in a tank.
【００３１】また表面清拭具７には緩衝部材１０が取り
付けられているので、表面清拭具７の絨毛がタンク１の
内部側壁に適度に接触した状態で、緩衝部材１０が強固
に表面清拭具７とタンク１の内部側壁を離隔するので、
伸縮機構８のスプリング１３による弾発力と、タンク１
の内部側壁からの応力の双方を表面清拭具７の絨毛が直
接に受けて壁面に強い力で押しつけられ、これによる曲
がりグセを生じたり、極端な場合は損傷を受けたりし
て、摺接による払拭効果が減損することがない。また、
表面清拭具７および７’が螺子１１で保持体６および
６’に取り外し可能に取り付けられているので、表面清
拭具７および７’の長期の使用による損耗時や不時の損
傷を受けた際に容易に交換できる。Further, since the buffer member 10 is attached to the surface cleaning tool 7, the buffer member 10 is firmly surface cleaned while the villi of the surface cleaning tool 7 appropriately contact the inner side wall of the tank 1. Since the wiper 7 and the inner side wall of the tank 1 are separated from each other,
The elasticity of the expansion mechanism 8 by the spring 13 and the tank 1
The villi of the surface cleaning tool 7 receives both stresses from the inner side wall of the surface cleaning device 7 directly and is pressed against the wall surface with a strong force, thereby causing a bending bend or being damaged in an extreme case. The wiping effect due to is not impaired. Also,
Since the surface wiping tools 7 and 7 'are detachably attached to the holders 6 and 6' with the screws 11, the surface cleaning tools 7 and 7 'may be damaged due to long-term use of the surface cleaning tools 7 and 7'. Can be easily replaced when needed.
【００３２】上記の構成により、壁面が露出されていた
間や上水に浸漬されていた間に形成された、水垢と通称
される無機物や有機物の不純物をこすり落とし、貯蔵さ
れている上水中に液状の不純物として再度溶解させ配水
口を経て使用される上水とともに排出させたり、又は再
度溶解しなくてもこすり落としたまま上水中に浮遊する
微小な固形の不純物として、配水システム中の図示しな
い濾過装置により容易に取り除かれるため、貯水タンク
１内部には無機物や有機物の不純物の固化堆積による、
強固に付着した不純物の団塊は生成せず、大量の無機物
や有機物の集合体が雑菌繁殖の培地になることもない。
これにより、貯水タンク内に貯蔵される上水の水質は自
治体が給水する程度のものに常に保たれて保健衛生上の
問題を生じることはなく、水質の悪化のために大量の上
水を廃棄したり、水質の悪化をおそれて貯水量を削減し
たりする必要がなくなる。With the above structure, inorganic and organic impurities commonly referred to as water scale, which are formed while the wall surface is exposed or immersed in clean water, are rubbed off and stored in clean water. It is not shown in the water distribution system as it is dissolved again as a liquid impurity and discharged together with the tap water used through the water supply port, or as fine solid impurities floating in the tap water without being dissolved again and rubbed off. Since it is easily removed by the filtration device, solidification and accumulation of inorganic and organic impurities are caused inside the water storage tank 1.
No clumps of strongly adhered impurities are generated, and a large amount of aggregates of inorganic and organic substances does not become a culture medium for propagation of various bacteria.
As a result, the quality of clean water stored in the water storage tank is always maintained at a level that can be supplied by the municipality, does not cause any health problems, and a large amount of clean water is discarded due to the deterioration of water quality. There is no need to reduce the amount of stored water due to the risk of water quality deterioration.
【００３３】また、上水中に含まれる無機物や有機物の
不純物が貯水タンク１の内壁表面に偶々付着したとして
も、常にタンク表面は払拭されて少量ずつ排除されるの
で、集積固化して強固に付着することがなく、その内壁
表面は清潔に保たれ、法定の洗浄作業は従来の困難な重
作業ではなくなり、容易かつ安価に実施可能なものとな
る。Further, even if impurities such as inorganic and organic substances contained in the tap water accidentally adhere to the inner wall surface of the water storage tank 1, the tank surface is constantly wiped and removed little by little. In this case, the inner wall surface is kept clean, and the legal cleaning work is no longer a difficult heavy work, and can be performed easily and inexpensively.
【００３４】また本発明に係る汚れ防止装置は、新設の
貯水タンクのみならず、既存の貯水タンクに駆動手段、
回転軸、保持体および表面清拭具等を配設することで、
最低限の投資で内壁表面の汚れ防止を実現可能で、上記
と同様の効果を奏することができる。The dirt preventing device according to the present invention can be used not only for a newly installed water tank but also for an existing water tank.
By arranging the rotating shaft, holder and surface cleaning tool, etc.,
Prevention of contamination of the inner wall surface can be realized with a minimum investment, and the same effects as described above can be obtained.
【００３５】なお本例では、回転軸５を駆動する駆動手
段４を貯水タンク１の上部に設置したが、周囲の環境条
件によっては、貯水タンク１の横部に設置してベルトや
チェイン等で駆動力を伝達したり、又は貯水タンクの下
部に駆動手段を設置して、回転軸５をタンク底部を貫通
する形式とすることもできる。ただ貫通型の場合は貫通
部分での漏水を防止するため、シール等による対策が必
要となる。In the present embodiment, the driving means 4 for driving the rotating shaft 5 is installed above the water storage tank 1, but depending on the surrounding environmental conditions, it is installed on the side of the water storage tank 1 and is driven by a belt or a chain. The driving force may be transmitted, or a driving means may be provided at the lower part of the water storage tank, so that the rotating shaft 5 penetrates the tank bottom. However, in the case of the penetration type, measures such as sealing are required to prevent water leakage at the penetration portion.
【００３６】また本例では保持体６を枠状としたが、表
面清拭具７を取り付けることができれば腕状またはその
他の形状であっても良い。In this embodiment, the holding member 6 has a frame shape, but may have an arm shape or another shape as long as the surface cleaning tool 7 can be attached.
【００３７】又本例では、保持体６、６’を回転軸を中
心とした対称形に構成し、表面清拭具７、７’を左右に
２つ取り付けて、回転軸の１回転で表面清拭具７、７’
が左右２箇所から、側面部と底部を左右対称に２回摺接
して払拭するようにしたが、コストダウンと簡便化のた
め、左右の一方のみに保持体６、６’を固定し、表面清
拭具７、７’を１つとして、回転軸の１回転で表面清拭
具７、７’が１回摺接して払拭するようにすることも可
能である。この場合貯水量と駆動速度によっては、水の
抵抗による回転負荷の左右アンバランスによる回転軸５
のぶれ対策が必要になる場合がある。In this embodiment, the holders 6 and 6 'are formed symmetrically with respect to the rotation axis, and two surface wiping tools 7 and 7' are attached to the left and right sides, and the surface is rotated by one rotation of the rotation axis. Cleaning tools 7, 7 '
Was wiped by symmetrically sliding the side and bottom two times from two places on the left and right. However, for cost reduction and simplification, the holders 6, 6 'were fixed to only one of the left and right sides, With one wiping tool 7, 7 ', it is also possible to make the surface wiping tools 7, 7' slide once to wipe off with one rotation of the rotating shaft. In this case, depending on the water storage amount and the driving speed, the rotating shaft 5 due to the right and left imbalance of the rotational load due to the resistance of water.
Anti-shake measures may be required.
【００３８】また本例では、表面清拭具７、７’をナイ
ロン製のデッキブラシ状としたが、耐水性と耐久性およ
び耐摩耗性を有すれば素材の如何を問わず、また摺接し
たときに清拭効果を奏するものであれば、周知のものか
ら適宜選択して、絨毛を構成したものとしたり、内部に
スポンジ様の材料を包み込んだ不織布等の繊維材料から
なる清拭布等としても良い。Further, in this embodiment, the surface wiping tools 7, 7 'are made of nylon deck brushes. However, as long as they have water resistance, durability and abrasion resistance, they can be slid in any material. If it has a wiping effect when done, it may be appropriately selected from well-known ones to form a villi, or a wiping cloth made of a fibrous material such as a nonwoven fabric in which a sponge-like material is wrapped. It is good.
【００３９】本例の長さ調節機構９は、上記の図４に示
した組み合わせの形式の他、保持体の一部分にネジ山を
形成して繰り出し量を調整する形式等、可変の長さに固
定できる周知の方式によるものを用いることができる。The length adjusting mechanism 9 of this embodiment has a variable length, such as a combination of the type shown in FIG. 4 and a type in which a thread is formed on a part of the holder to adjust the feeding amount. A known method that can be fixed can be used.
【００４０】また本例では、伸縮機構８による保持体６
の長さの変化に対応するために、タンク１の側壁を摺動
する表面清拭具７とタンク１の底部を摺動する表面清拭
具７’を分離し、それらの保持体６、６’を別に設けた
が、側壁を摺動する表面清拭具７と底部を摺動する表面
清拭具７’を同じ保持体に取り付け、その長さの変化に
対応することも可能である。In this embodiment, the holding member 6 by the expansion / contraction mechanism 8 is used.
In order to cope with the change in the length of the tank 1, the surface wiper 7 sliding on the side wall of the tank 1 and the surface wiper 7 'sliding on the bottom of the tank 1 are separated, and their holders 6, 6 Although the 'is provided separately, it is also possible to attach the surface wiping tool 7 sliding on the side wall and the surface wiping tool 7' sliding on the bottom to the same holding body to cope with a change in the length.
【００４１】また貯水タンク１の底部に表面清拭具７を
配置せず、摺接されない部分ができたとしても、通常タ
ンクの底部は常に上水に浸されているため、無機物や有
機物の不純物が固着することがあまりなく、本発明の効
果に大差はない。Even if the surface wiping tool 7 is not disposed on the bottom of the water storage tank 1 and a part that does not slide is formed, the bottom of the tank is usually always immersed in clean water, so that impurities such as inorganic and organic substances are usually present. Does not adhere much, and there is no great difference in the effects of the present invention.
【００４２】また本例では、伸縮機構８を保持体６の横
枠６Ａのみに設置したが、同様の構成を保持体６の縦枠
６Ｂにも配設して、貯水タンク底面を所望の圧力で摺接
するようにして、摺接による払拭効果を底面でも徹底す
ることも可能である。In this embodiment, the telescopic mechanism 8 is installed only on the horizontal frame 6A of the holder 6, but a similar structure is also installed on the vertical frame 6B of the holder 6, and the bottom of the water storage tank is pressed at a desired pressure. It is also possible to make the wiping effect by the sliding contact thorough the bottom surface.
【００４３】また本例では、貯水タンクを略円形とした
が、本発明に係る汚れ防止装置では、伸縮機構８のパイ
プ１２の長さとスプリング１３の弾発力および長さを適
宜に選択することにより、円形のみならず長円形の貯水
タンクにも容易に本発明の汚れ防止装置を設置すること
ができる。In this embodiment, the water storage tank is substantially circular. However, in the antifouling device according to the present invention, the length of the pipe 12 of the expansion / contraction mechanism 8 and the elasticity and length of the spring 13 are appropriately selected. Accordingly, the dirt prevention device of the present invention can be easily installed not only in a circular storage tank but also in an oval storage tank.
【００４４】[0044]
【発明の効果】以上に記載したように、本発明に係る貯
水タンクの内部汚れ防止装置によれば、上水を大量に貯
蔵する貯水タンクの内壁表面を常に清潔に保ち、上水の
滞留時間が長くなっても無機物や有機物の不純物の団塊
を貯水タンクの内壁表面に形成させず、それを培地とし
て雑菌が貯水タンク内で繁殖することがなく、又それに
よって水質の悪化等の衛生上の問題を惹起せず、従って
貯水量を削減して非常時への備えを低下させたり、水質
が悪化した貯水タンク内の上水を捨てたりすることのな
い、水資源を有効に活用して無駄にすることのない、内
部汚れの防止が実現された貯水タンクが提供される。As described above, according to the apparatus for preventing internal contamination of a water storage tank according to the present invention, the inner wall surface of the water storage tank for storing a large amount of clean water is always kept clean and the residence time of clean water is maintained. Even if the soil becomes longer, no nodules of inorganic or organic impurities are formed on the inner wall surface of the water storage tank, and as a culture medium there is no germ in the water storage tank, and there is no hygiene such as deterioration of water quality. Efficient use of water resources, which does not cause problems and therefore reduces the amount of water stored and reduces emergency preparedness, and does not throw away clean water in degraded water storage tanks There is provided a water storage tank in which prevention of internal dirt is realized.
【００４５】また本発明に係る貯水タンクの内部汚れ防
止装置によれば、常にその内壁表面を清潔に保つ機能を
有する、貯水タンクのための内部汚れ防止装置が提供さ
れるので、貯水タンク内部に集積して強固に付着した汚
濁物質の量を削減し、それによって法律に定められた貯
水タンク内部の洗浄作業を容易かつ安価に実施可能なも
のとした、貯水タンクの内部汚れ防止装置が提供され
る。According to the device for preventing internal contamination of a water storage tank according to the present invention, an internal contamination prevention device for a water storage tank having a function of always keeping the inner wall surface clean is provided. Provided is a device for preventing internal contamination of a water storage tank, which reduces the amount of contaminants that have accumulated and firmly adhered, thereby making it possible to easily and inexpensively perform cleaning work inside the water storage tank as required by law. You.
【図１】貯水タンクの縦断面図。FIG. 1 is a longitudinal sectional view of a water storage tank.
【図２】表面清拭具の斜視図。FIG. 2 is a perspective view of a surface cleaning tool.
【図３】伸縮機構の斜視図。FIG. 3 is a perspective view of a telescopic mechanism.
【図４】長さ調節機構の斜視図。FIG. 4 is a perspective view of a length adjusting mechanism.
１ 貯水タンク ２ 給水口 ３ 配水口 ４ 駆動手段 ５ 回転軸 ６、６’ 保持体 ６Ａ、６Ａａ、６Ａｂ 保持体の横枠 ６Ｂ 保持体の縦枠 ７、７’ 表面清拭具 ８ 伸縮機構 ９ 長さ調節機構 １０ 緩衝部材 １１ 螺子 １２ 筒体 １３ スプリング １４ はずれ止め １５ 接続穴 １６、１６’ 保持体の横枠 Reference Signs List 1 water storage tank 2 water supply port 3 water supply port 4 driving means 5 rotating shaft 6, 6 'holding body 6A, 6Aa, 6Ab horizontal frame of holding body 6B vertical frame of holding body 7, 7' surface wiping tool 8 extension mechanism 9 long Adjusting mechanism 10 Buffer member 11 Screw 12 Cylindrical body 13 Spring 14 Stopper 15 Connection hole 16, 16 'Horizontal frame of holder
Claims (2)
動手段により回転駆動される回転軸と、前記回転軸に固
定された保持体と、前記保持体に取り付けられた表面清
拭具とからなり、前記回転軸により回転される前記保持
体に伴って前記表面清拭具が貯水タンクの内壁表面を摺
動することを特徴とする、貯水タンクの内部汚れ防止装
置。1. A rotating shaft disposed in a water storage tank and driven to rotate by a driving means such as a motor, a holding member fixed to the rotating shaft, and a surface cleaning tool attached to the holding member. Wherein the surface wiping device slides on the inner wall surface of the water storage tank along with the holder rotated by the rotation shaft.
ときに、前記回転軸と対向する貯水タンクの内部側壁と
の距離の変化に応じて、前記保持体がスプリングの弾発
力を利用してその長さを自動的に伸縮する伸縮機構を備
え、前記表面清拭具が常に貯水タンクの内部側壁に圧接
するようにされていることを特徴とする、特許請求の範
囲第１項記載の貯水タンクの内部汚れ防止装置。2. When the holding body is rotated by the rotating shaft, the holding body utilizes the elastic force of a spring in accordance with a change in the distance between the rotating shaft and an inner side wall of the water storage tank facing the rotating shaft. 2. The device according to claim 1, further comprising a telescopic mechanism for automatically expanding and contracting the length thereof, wherein the surface wiping tool is always in pressure contact with the inner side wall of the water storage tank. Prevention device for internal contamination of water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11215652A JP2001038317A (en) | 1999-07-29 | 1999-07-29 | Device for preventing inside of water storage tank from being stained |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11215652A JP2001038317A (en) | 1999-07-29 | 1999-07-29 | Device for preventing inside of water storage tank from being stained |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001038317A true JP2001038317A (en) | 2001-02-13 |
Family
ID=16675954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11215652A Pending JP2001038317A (en) | 1999-07-29 | 1999-07-29 | Device for preventing inside of water storage tank from being stained |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001038317A (en) |
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1999
- 1999-07-29 JP JP11215652A patent/JP2001038317A/en active Pending
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