JP2000042539A - Water treating device - Google Patents
Water treating deviceInfo
- Publication number
- JP2000042539A JP2000042539A JP10216730A JP21673098A JP2000042539A JP 2000042539 A JP2000042539 A JP 2000042539A JP 10216730 A JP10216730 A JP 10216730A JP 21673098 A JP21673098 A JP 21673098A JP 2000042539 A JP2000042539 A JP 2000042539A
- Authority
- JP
- Japan
- Prior art keywords
- water treatment
- treatment apparatus
- ultraviolet radiation
- water treating
- 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.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は水処理装置の改良に
関する。The present invention relates to an improvement in a water treatment apparatus.
【０００２】[0002]
【従来の技術】従来、工場廃水や産業排水等の水処理装
置として、図２に示すように、原水流入孔１と処理水流
出孔２を有する水処理装置本体３の内部に、所定の間隔
を有して複数のジャケット４を設け、同ジャケットに紫
外放射光源５を内装し、さらに紫外放射光源と隣り合う
紫外放射光源の間に、表面に光触媒を担持した板体６を
配置したものが実施されている。2. Description of the Related Art Conventionally, as a water treatment apparatus for industrial wastewater or industrial wastewater, as shown in FIG. 2, a water treatment apparatus main body 3 having a raw water inflow port 1 and a treated water outflow port 2 is provided at a predetermined interval. A plurality of jackets 4 are provided, an ultraviolet radiation light source 5 is provided in the jacket, and a plate body 6 carrying a photocatalyst on the surface is arranged between the ultraviolet radiation light source and the adjacent ultraviolet radiation light source. It has been implemented.
【０００３】[0003]
【発明が解決しようとする課題】上記した水処理装置に
よると、紫外放射光源からの紫外放射と、光触媒の作用
より、水に含まれる有機物を分解することができる。し
かし、板体に担持した光触媒の表面及びジャケットの表
面に使用と共に無機物の酸化物が付着し、処理効果が低
下し、工場廃水や産業排水等の処理には適さない欠点が
ある。According to the above-mentioned water treatment apparatus, organic substances contained in water can be decomposed by the action of a photocatalyst and ultraviolet radiation from an ultraviolet radiation light source. However, the inorganic oxide adheres to the surface of the photocatalyst supported on the plate and the surface of the jacket together with the use thereof, and the treatment effect is reduced, and there is a drawback that it is not suitable for treatment of factory wastewater or industrial wastewater.
【０００４】本発明は上記の点に鑑み発明したものであ
って、光触媒の効果を低下することなく、水の処理効果
を長期間維持することができる水処理装置を提供するこ
とを目的とする。[0004] The present invention has been made in view of the above points, and has as its object to provide a water treatment apparatus capable of maintaining the water treatment effect for a long period of time without reducing the effect of the photocatalyst. .
【０００５】[0005]
【課題を解決するための手段】本発明は上記した課題を
解決するために請求項１に記載の発明は次の構成とす
る。つまり、流入孔と流出孔を有する水処理装置本体の
内部に、所定の間隔を有して複数のジャケットを設け、
同ジャケットに紫外放射光源を内装してなる水処理装置
に関する。また隣合う紫外放射光源と紫外放射光源の間
に光触媒を担持したロール状の担持膜を回転自在に配置
する。さらに同担持膜が水処理装置本体内の処理水と水
処理装置本体に付設した洗浄容器を通過するように構成
してある。同構造の水処理装置によると、光触媒を担持
した担持膜に付着した無機物が洗浄容器内で洗浄される
ので、光触媒の効果を低下することなく、水の処理効果
を長期間維持することができる。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention has the following structure. That is, a plurality of jackets are provided at predetermined intervals inside the water treatment device main body having an inflow hole and an outflow hole,
The present invention relates to a water treatment device having an ultraviolet radiation light source inside the jacket. Further, a roll-shaped supporting film supporting a photocatalyst is rotatably disposed between adjacent ultraviolet radiation light sources. Further, the supporting membrane is configured to pass through the treated water in the water treatment device main body and the washing container attached to the water treatment device main body. According to the water treatment apparatus having the same structure, the inorganic substance attached to the carrier film carrying the photocatalyst is washed in the washing container, so that the water treatment effect can be maintained for a long time without lowering the effect of the photocatalyst. .
【０００６】本発明に係る請求項２に記載の発明は、請
求項１に記載の発明において、洗浄容器の内部に無機酸
を注入して構成してある。同構造の水処理装置による
と、光触媒を担持した回転膜に付着した無機物を絶えず
無機酸で除去するので、光触媒効果が低下することがな
い。According to a second aspect of the present invention, in the first aspect, an inorganic acid is injected into the interior of the cleaning vessel. According to the water treatment apparatus having the same structure, the inorganic substances attached to the rotating film supporting the photocatalyst are constantly removed with the inorganic acid, so that the photocatalytic effect does not decrease.
【０００７】[0007]
【発明の実施の形態】以下本発明の実施例を図１につい
て説明する。図において、１１は箱形に構成してなる水
処理装置本体であって、流入孔１２と流出孔１３を有し
て構成してある。また同水処理装置本体１１は例えば３
トンの処理水が入る大きさに構成してある。１４はジャ
ケット１５に内装してなる紫外放射光源であって、例え
ば６５ワットの低圧放電灯を用いて構成してある。また
隣り合う紫外放射光源１４を内装するジャケット１５
と、紫外放射光源１４を内装するジャケット１５の間隔
は、例えば１５ｃｍ程度の間隔を有して構成してある。
また同紫外放射光源は、紫外放射１８５ｎｍと２５４ｎ
ｍに主波長があるものが良い。また同紫外放射光源１４
は処理する水３トンに対して６５ワットの紫外放射光源
を例えば７０本用いて構成してある。また同水処理装置
本体１１の内部には、過酸化水素を添加して構成してあ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. In the drawing, reference numeral 11 denotes a box-shaped water treatment apparatus main body, which has an inflow hole 12 and an outflow hole 13. The main body 11 of the water treatment apparatus is, for example, 3
It is configured to accommodate tons of treated water. Reference numeral 14 denotes an ultraviolet radiation light source provided inside the jacket 15, which is constituted by using, for example, a low-pressure discharge lamp of 65 watts. Also, a jacket 15 containing the adjacent ultraviolet radiation source 14
, And the interval between the jackets 15 containing the ultraviolet radiation light sources 14 is, for example, about 15 cm.
The ultraviolet radiation light source is ultraviolet radiation of 185 nm and 254 n.
It is preferable that m has a dominant wavelength. The ultraviolet radiation light source 14
Is constructed by using, for example, 70 ultraviolet light sources of 65 watts for 3 tons of water to be treated. The inside of the water treatment device main body 11 is configured by adding hydrogen peroxide.
【０００８】１６は隣り合う紫外放射光源１４と紫外放
射光源１４の間に回転自在に配置してなる担持膜であっ
て、光触媒を担持してロール状に構成してある。光触媒
としては例えば酸化チタンを用いる。また担持膜は、例
えばガラス繊維で構成し、酸あるいは紫外放射された光
触媒より発生するヒドロキシラジカルにより劣化若しく
はや腐蝕しないように構成してある。１７は水処理装置
本体１１の底部に設けてなる回転軸であって、担持膜１
６を回転するように掛合して構成してある。１８は水処
理装置本体１１の例えば上部に設けた洗浄容器であっ
て、例えばポリプロピレン等の耐酸性樹脂で構成してあ
る。１９，２０は洗浄容器１８の上部に配置してなる一
対の回転軸、２１は洗浄容器１８の内底部に配置してな
る回転軸であって、回転膜が各回転軸に張設して回転す
るように構成してある。２２は仕切板であって、処理水
は仕切板の底部を通って上方より流出する。Reference numeral 16 denotes a supporting film rotatably disposed between the adjacent ultraviolet radiation light sources 14 and supports a photocatalyst, and is formed in a roll shape. As the photocatalyst, for example, titanium oxide is used. The supporting film is made of, for example, glass fiber, and is configured not to be deteriorated or corroded by an acid or a hydroxyl radical generated from a photocatalyst radiated by ultraviolet rays. Reference numeral 17 denotes a rotating shaft provided at the bottom of the water treatment apparatus main body 11,
6 is engaged so as to rotate. Reference numeral 18 denotes a washing container provided at, for example, an upper portion of the water treatment apparatus main body 11, and is made of, for example, an acid-resistant resin such as polypropylene. Reference numerals 19 and 20 denote a pair of rotating shafts disposed on the upper portion of the cleaning container 18, and reference numeral 21 denotes a rotating shaft disposed on the inner bottom of the cleaning container 18. It is configured to do so. Reference numeral 22 denotes a partition plate, and the treated water flows out from above through the bottom of the partition plate.
【０００９】また洗浄容器１８の内部に注入する洗浄剤
は、付着物である無機系酸化物を溶解できるものであれ
ばよく、例えば塩酸や硝酸や硫酸等を用いて構成する。
塩酸を用いる場合は、例えば１Ｎ塩酸を用いる。The cleaning agent to be injected into the cleaning container 18 may be any one that can dissolve the inorganic oxide as an adhering substance, and is made of, for example, hydrochloric acid, nitric acid, sulfuric acid or the like.
When hydrochloric acid is used, for example, 1N hydrochloric acid is used.
【００１０】[0010]
【実施例】上記したように、３トンの原水を導入でき
る大きさの水処理装置本体の内部に、６５ワットの紫外
放射光源を７０本配置し、原水として染色工場排水の生
物処理水を導入し、１時間１トン処理する。このとき、
原水１トンにつき１．３リットルの過酸化水素を添加す
る。また光触媒を担持してなる担持膜は例えば横幅９０
ｃｍ、回転長さ２００ｃｍの大きさのものを９箇所に設
けて構成する。また原水の全有機体炭素(ＴＯＣ)は１リ
ットル当たり５０ｍｇのものを用い、水温は２０度に設
定して構成してある。 上記した実験例によると、水処理装置本体１１の内部
の紫外放射光源１４を点灯することにより、紫外放射が
光触媒及び過酸化水素に照射されて、有機物の励起ある
いはＯＨラジカルイオンにより有機物の光酸化分解が行
われる。有機物の酸化分解としては、フミン・フルボ系
及び染料等の色度成分の除去、カビ臭の除去、ウイルス
・一般細菌及び大腸菌群の殺菌、アンモニア性窒素の酸
化等が行われる。 光触媒を担持した担持膜１６は洗浄容器１８の内部を
回転し、同担持膜１６に付着した無機物は洗浄剤で除去
することができる。洗浄容器１８の内の洗浄剤は、例え
ば１年に数回交換する。 また本発明に係る水処理装置によると、有機物は約８
０％程度継続して分解除去することができるが、洗浄機
構を設けないと、担持膜の光触媒の表面に無機物が付着
し、２４時間後には有機物の分解除去率は約７０％程
度、４８時間後には約６５％程度、９６時間後には約５
５％程度、２４０時間後には約４０％程度に低下するこ
とが確認されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS As mentioned above, 70 65-watt ultraviolet radiation light sources are arranged inside a water treatment apparatus main unit having a size capable of introducing 3 tons of raw water, and biologically treated water from a dyeing factory drain is introduced as raw water. And process for 1 ton for 1 hour. At this time,
Add 1.3 liters of hydrogen peroxide per ton of raw water. Further, the supporting film for supporting the photocatalyst has a width of 90 mm, for example.
cm and a rotation length of 200 cm are provided at nine locations. The total organic carbon (TOC) of the raw water is 50 mg per liter, and the water temperature is set to 20 degrees. According to the above-described experimental example, by turning on the ultraviolet radiation light source 14 inside the water treatment apparatus main body 11, ultraviolet radiation is irradiated to the photocatalyst and hydrogen peroxide, thereby exciting the organic substance or photooxidizing the organic substance by OH radical ions. Decomposition takes place. The oxidative decomposition of organic substances includes removal of chromatic components such as humin / fulvo and dyes, removal of mold odor, disinfection of viruses, common bacteria and coliform bacteria, oxidation of ammonia nitrogen, and the like. The supporting film 16 supporting the photocatalyst rotates inside the cleaning container 18, and the inorganic substances attached to the supporting film 16 can be removed with a cleaning agent. The cleaning agent in the cleaning container 18 is changed several times a year, for example. Further, according to the water treatment apparatus according to the present invention, the amount of organic matter is about 8%.
It can be continuously decomposed and removed by about 0%, but if no washing mechanism is provided, the inorganic substance adheres to the surface of the photocatalyst of the support film, and after 24 hours, the decomposition and removal rate of the organic substance is about 70% and 48 hours. About 65% after, about 5 hours after 96 hours
It has been confirmed that it is reduced to about 5% and about 40% after 240 hours.
【００１１】[0011]
【発明の効果】上記した本発明の水処理装置によると、
光触媒の効果を低下することなく、水の処理効果を長期
間維持することができる特別な効果がある。According to the water treatment apparatus of the present invention described above,
There is a special effect that the water treatment effect can be maintained for a long time without reducing the effect of the photocatalyst.
【図１】本発明に係る水処理装置の正面図。FIG. 1 is a front view of a water treatment apparatus according to the present invention.
【図２】従来の水処理装置の正面図。FIG. 2 is a front view of a conventional water treatment apparatus.
１１ 水処理装置本体 １２ 流入孔 １３ 流出孔 １４ 紫外放射光源 １５ ジャケット １６ 担持膜 １７ 回転軸 １８ 洗浄容器 １９，２０ 回転軸 ２１ 回転軸 DESCRIPTION OF SYMBOLS 11 Water treatment apparatus main body 12 Inflow hole 13 Outflow hole 14 Ultraviolet radiation light source 15 Jacket 16 Carrier film 17 Rotation axis 18 Cleaning container 19, 20 Rotation axis 21 Rotation axis
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4D037 AA11 AB03 AB04 AB05 AB12 AB18 BA18 BB04 BB09 CA12 4D050 AA13 AB03 AB04 AB06 AB07 BB01 BB09 BC04 BC09 BD02 CA17 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4D037 AA11 AB03 AB04 AB05 AB12 AB18 BA18 BB04 BB09 CA12 4D050 AA13 AB03 AB04 AB06 AB07 BB01 BB09 BC04 BC09 BD02 CA17
Claims (2)
内部に、所定の間隔を有して複数のジャケットを設け、
同ジャケット内に紫外放射光源を内装してなる水処理装
置において、隣合う紫外放射光源と紫外放射光源の間に
光触媒を担持したロール状の担持膜を回転自在に配置
し、さらに同担持膜が水処理装置本体の処理水と水処理
装置本体に付設した洗浄容器を通過するように構成した
ことを特徴とする水処理装置。1. A plurality of jackets are provided at predetermined intervals inside a main body of a water treatment apparatus having an inlet and an outlet.
In a water treatment apparatus having an ultraviolet radiation light source built in the same jacket, a roll-shaped support film supporting a photocatalyst is rotatably disposed between adjacent ultraviolet radiation light sources and the ultraviolet radiation light source, and the support film is further provided. A water treatment apparatus characterized by passing through treated water of a water treatment apparatus main body and a washing container attached to the water treatment apparatus main body.
特徴とする請求項１記載の水処理装置。2. The water treatment apparatus according to claim 1, wherein an inorganic acid is injected into the washing vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10216730A JP2000042539A (en) | 1998-07-31 | 1998-07-31 | Water treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10216730A JP2000042539A (en) | 1998-07-31 | 1998-07-31 | Water treating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000042539A true JP2000042539A (en) | 2000-02-15 |
Family
ID=16693038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10216730A Pending JP2000042539A (en) | 1998-07-31 | 1998-07-31 | Water treating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000042539A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002224655A (en) * | 2001-01-31 | 2002-08-13 | Toda Constr Co Ltd | Photocatalyst particle for soil treatment and method of using the same |
| JP2002224656A (en) * | 2001-01-31 | 2002-08-13 | Toda Constr Co Ltd | Treatment method and treatment equipment for contaminated soil |
| JP2014061418A (en) * | 2007-08-07 | 2014-04-10 | Lee Antimicrobial Solutions Llc | Uv light air treatment method and device |
-
1998
- 1998-07-31 JP JP10216730A patent/JP2000042539A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002224655A (en) * | 2001-01-31 | 2002-08-13 | Toda Constr Co Ltd | Photocatalyst particle for soil treatment and method of using the same |
| JP2002224656A (en) * | 2001-01-31 | 2002-08-13 | Toda Constr Co Ltd | Treatment method and treatment equipment for contaminated soil |
| JP2014061418A (en) * | 2007-08-07 | 2014-04-10 | Lee Antimicrobial Solutions Llc | Uv light air treatment method and device |
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