JPH054083A - Water treating device - Google Patents

Abstract

PURPOSE:To provide a water treating device capable of efficiently cleaning all the filter mediums with a small number of diffuser pipes. CONSTITUTION:An appropriate number of UV lamps 3 encased respectively in a bottomed quartz-glass jacket 2 are vertically arranged at the upper part of a tank 1. A filter bed 5 of many filter mediums consisting of a fiber ball is formed on an air and water-permeable floor 14 arranged below the jacket 2, and a diffuser pipe 6 provided with an air injection port 6a for injecting air to whirl up the filter mediums in the water when cleaned is arranged below the floor 14 or in the bed 5. In this water treating device, an array of the injection ports 6a is furnished on both sides of the cylindrical diffuser pipe 6.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、水処理装置、殊に紫外
線ランプなどの殺菌ランプを用いた水処理装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water treatment device, and more particularly to a water treatment device using a germicidal lamp such as an ultraviolet lamp.

【０００２】[0002]

【従来の技術】紫外線ランプを用いて池水の浄化、プー
ルの水の殺菌や有機物の光分解等をする装置としては種
々あるが、その中でも紫外線ランプと、繊維球などから
なる濾過材を組み合わせた水処理装置がある。これは図
６のように槽２０内に、石英ガラス等からなる透明なジ
ャケット２１内に収納された紫外線ランプ２２を適数個
配置し、槽の中ほどに通気通水性の濾床２３を設けてこ
の上に合成繊維を球形状にしてなる濾過材を多数個配し
て層状にしてなる濾過層２４が形成され、濾床２３の下
方には空気噴出口２５ａを備えた散気管２５が配置され
ている。ジャケット２１と紫外線ランプ２２との間の空
気に紫外線があたることにより発生したオゾンはオゾン
捕集管２６を介して集められオゾン注入ブロワ２７によ
り注入管２８を介してジャケット２１の下方付近注入さ
れる。２９は水位センサである。2. Description of the Related Art There are various devices for purifying pond water, sterilizing pool water, and photolyzing organic substances by using an ultraviolet lamp. Among them, an ultraviolet lamp and a filter material composed of fiber spheres are combined. There is a water treatment device. As shown in FIG. 6, an appropriate number of ultraviolet lamps 22 housed in a transparent jacket 21 made of quartz glass or the like are arranged in a tank 20, and an aerated and water-permeable filter bed 23 is provided in the middle of the tank. On the lever, a filter layer 24 is formed, in which a large number of synthetic fibers each having a spherical shape are arranged to form a layer, and below the filter bed 23, an air diffuser 25 having an air jet port 25a is arranged. Has been done. Ozone generated by the ultraviolet rays hitting the air between the jacket 21 and the ultraviolet lamp 22 is collected through the ozone collecting pipe 26 and injected by the ozone injection blower 27 near the lower part of the jacket 21 through the injection pipe 28. . 29 is a water level sensor.

【０００３】処理されるべき水は、給水口２４から連続
的に槽２０内に入り、紫外線ランプ２２からの紫外線に
より水中の細菌類が殺菌され、また注入されたオゾンに
より有機物や悪臭の成分が分解される。水中の浮遊物や
分解生成物は濾過層２４により濾過され、浄化された水
は出水口３０から連続的に排出される。濾過層２４の濾
過機能が低下してきた時は、給排水を止め濾過材を洗浄
する。洗浄は外部のブロワ（図示せず）から散気管２５
へ空気をおくることにより行う。散気管２５から噴出し
た空気により濾過材２４は水中で舞い上がり勢いよく槽
２０内を循環し、濾過材同志あるいは槽２０の璧やジャ
ケット２１、濾床２３等にぶつかって、濾過材に吸着さ
れた物質が取り除かれて濾過材がきれいになると共に、
槽内璧もきれいになり、さらには透明なジャケット２１
の外壁の汚れが取れて紫外線の透過率もよくなる。洗浄
が終わると汚れた水はドレイン３１から排出される。The water to be treated continuously enters the tank 20 through the water supply port 24, the bacteria in the water are sterilized by the ultraviolet rays from the ultraviolet lamp 22, and the injected ozone removes organic substances and odorous components. Be disassembled. Floating substances in water and decomposition products are filtered by the filter layer 24, and purified water is continuously discharged from the water outlet 30. When the filtration function of the filtration layer 24 deteriorates, the water supply and drainage is stopped and the filtration material is washed. For cleaning, use an external blower (not shown) to diffuse the air diffuser 25.
This is done by blowing air. The air blown from the air diffuser 25 causes the filter medium 24 to soar in water and vigorously circulate in the tank 20. The filter medium 24 is adsorbed by the filter medium or the walls of the tank 20, the jacket 21, the filter bed 23, and the like. As the material is removed and the filter is clean,
The inside of the tank is also clean and the transparent jacket 21
The outer wall of the is removed and the transmittance of ultraviolet rays is improved. When the cleaning is completed, the dirty water is discharged from the drain 31.

【０００４】[0004]

【発明が解決しようとする課題】しかし、従来の散気管
２５の空気噴出口２５ａは，図７及び図８のように散気
管２５の真上に一列に設けられているため、空気噴出口
２５ａから上に噴出する空気の噴出幅Ａは狭く、従って
全部の濾過材が常時舞い上がらずに濾床上に沈殿して十
分洗浄されないものがでてしまう。そのため散気管の本
数を増やして散気管の間隔を狭める必要があった。However, the air outlets 25a of the conventional air diffusing pipe 25 are provided in a line directly above the air diffusing pipe 25 as shown in FIGS. 7 and 8, and therefore, the air jetting port 25a. The jet width A of the air jetted upward from the above is narrow, so that not all of the filtering material always rises up and is deposited on the filter bed, and some are not sufficiently washed. Therefore, it was necessary to increase the number of air diffusers to narrow the distance between the air diffusers.

【０００５】本発明は、少ない散気管で洗浄時に効率よ
く全部の濾過材が洗浄されるようになされた、水処理装
置を提供することを目的としている。It is an object of the present invention to provide a water treatment device in which all filter media are efficiently washed with a small number of air diffusers.

【０００６】[0006]

【課題を解決するための手段】この目的を達成するため
に本発明では、槽内の上方に有底の石英ガラス製のジャ
ケットに収納された適数個の紫外線ランプがそれぞれ垂
直に配置され、ジャケットの下方に配置された通気通水
性の濾床上に繊維球などからなる多数の濾過材からなる
濾過層が形成され、濾床の下方または濾過層中に、濾過
材を洗浄する時に濾過材を水中に舞い上がらせる空気を
送り出す空気噴出口を備えた散気管が配置されている水
処理装置において、散気管の空気噴出口列が筒状の各散
気管の両側部に設けられているように構成した。また、
空気噴出口列が筒状の各散気管の真下に一列に設けられ
ているように構成した。In order to achieve this object, according to the present invention, an appropriate number of ultraviolet lamps housed in a quartz glass jacket with a bottom are arranged vertically above the tank, respectively. A filter layer composed of a large number of filter media composed of fiber spheres, etc. is formed on a filter bed with ventilation and water permeability arranged below the jacket, and the filter media is provided below or in the filter bed when the filter media is washed. In a water treatment device in which an air diffuser having an air jet that sends out air to be soared in water is arranged, a row of air jets of the diffuser is provided on both sides of each cylindrical air diffuser. did. Also,
The row of air ejection ports is arranged directly under each of the cylindrical air diffusers.

【０００７】[0007]

【作用】濾過材を洗浄するために、散気管に空気を送る
と空気噴出口列から空気が広い空気噴出幅で噴出し、濾
過材を水中に舞い上がらせ、濾過材は勢いよく槽内を循
環し、濾過材同志あるいは槽の璧やジャケット、濾床等
にぶつかって、濾過材に吸着された物質が取り除かれて
濾過材がきれいになると共に、槽内璧もきれいになり、
さらには透明なジャケットの外壁の汚れが取れて紫外線
の透過率もよくなる。[Function] When the air is sent to the air diffusing pipe to wash the filter medium, the air blows out from the row of air outlets with a wide air jet width, soars the filter medium into the water, and the filter medium circulates vigorously in the tank. Then, the filter media collide with each other or the walls, jackets, filter beds, etc. of the tank, the substances adsorbed by the filter media are removed to clean the filter media, and the tank walls are also cleaned.
Furthermore, the outer wall of the transparent jacket is cleaned and the ultraviolet transmittance is improved.

【０００８】[0008]

【実施例】図１において、槽１内に、石英ガラス等から
なる透明なジャケット２内にそれぞれ収納された紫外線
ランプ３が適数個配置されている。槽の中ほどの網状の
濾床４の上に網目を通過できない大きさの合成繊維製小
球などからなる濾過材を多数個配して層状にしてなる濾
過層５が形成されている。濾床４の下には空気噴出口６
ａを備えた散気管６が配置され、この散気管には外部に
設置されたブロワ（図示せず）が接続されている。散気
管６は、図２のような平面をし、図１および図３のよう
に管の真横の両側部にそれぞれ１列に空気噴出口６ａが
設けられている。ジャケット２と紫外線ランプ３との間
の空間において紫外線により発生するオゾンはオゾン捕
集装置により集められる、即ちオゾン捕集管７を介して
集められたオゾンはオゾン注入ブロワ８により注入管９
を介してジャケット２の下方付近に送られ拡散される。
１０は水位センサである。処理されるべき水は、給水口
１１から連続的に槽１内に入り、紫外線ランプ３からの
紫外線により水中の細菌類が殺菌され、またオゾンによ
り有機物や悪臭の成分が分解される。水中の浮遊物や分
解生成物は濾過層５により濾過され、浄化された水は出
水口１２から連続的に排出される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, an appropriate number of ultraviolet lamps 3 housed in a transparent jacket 2 made of quartz glass or the like are arranged in a tank 1. A filter layer 5 is formed on the mesh-like filter bed 4 in the middle of the tank, which is formed by layering a plurality of filter media such as synthetic fiber spheres having a size that cannot pass through the mesh. Below the filter bed 4 is an air outlet 6
An air diffuser 6 provided with a is arranged, and a blower (not shown) installed outside is connected to this air diffuser. The air diffuser 6 has a flat surface as shown in FIG. 2, and as shown in FIGS. 1 and 3, air jet outlets 6a are provided in one row on both sides of the tube just beside. The ozone generated by the ultraviolet rays in the space between the jacket 2 and the ultraviolet lamp 3 is collected by the ozone collector, that is, the ozone collected through the ozone collecting pipe 7 is injected by the ozone injection blower 8 into the injection pipe 9
Is sent to the vicinity of the lower part of the jacket 2 through and diffused.
Reference numeral 10 is a water level sensor. Water to be treated continuously enters the tank 1 through the water supply port 11, ultraviolet rays from the ultraviolet lamp 3 sterilize bacteria in the water, and ozone decomposes organic substances and malodorous components. Floating substances in water and decomposition products are filtered by the filtration layer 5, and purified water is continuously discharged from the water outlet 12.

【０００９】濾過層５の濾過機能が低下してきた時は、
給排水を止め外部のブロワ（図示せず）から散気管６へ
空気をおくる。空気は図３のように管の両側部の空気噴
出口６ａからＢのように広い噴出幅で噴出する。散気管
６から噴出した空気により濾過層５の濾過材は水中で舞
い上がり勢いよく槽１内を循環し、濾過材同志あるいは
槽１の璧やジャケット３にぶつかる。これにより濾過材
に吸着された物質が取り除かれて濾過材がきれいになる
と共に、槽内璧もきれいになり、さらには透明なジャケ
ット２の外壁の汚れが取れて紫外線の透過率もよくな
る。洗浄が終わると汚れた水はドレイン１３から排出さ
れる。When the filtration function of the filtration layer 5 is deteriorated,
The water supply / drainage is stopped and air is blown from the blower (not shown) outside to the air diffuser 6. As shown in FIG. 3, air is ejected from the air ejection ports 6a on both sides of the tube with a wide ejection width as shown by B. The air blown out from the air diffuser 6 causes the filter material of the filter layer 5 to soar in water and vigorously circulate in the tank 1, and collide with the filter material or the wall or jacket 3 of the tank 1. As a result, the substances adsorbed on the filter medium are removed, the filter medium is cleaned, the inner walls of the tank are also cleaned, and the outer wall of the transparent jacket 2 is cleaned to improve the ultraviolet transmittance. After cleaning, the dirty water is discharged from the drain 13.

【００１０】空気噴出口の位置は、図４の角θが４５°
〜１８０°の範囲にあるのが好ましい。１８０°の場合
には図５のように管の真下に一列に空気噴出口が形成さ
れることになる。管の太さや、空気噴出口の大きさ、空
気噴出口の間隔などは、槽の大きさや、濾過材の量や形
状、空気の噴出量等から決められる。The position of the air ejection port is such that the angle θ in FIG. 4 is 45 °.
It is preferably in the range of 180 °. In the case of 180 °, as shown in FIG. 5, the air jets are formed in a line just below the pipe. The thickness of the pipe, the size of the air ejection port, the interval between the air ejection ports, and the like are determined by the size of the tank, the amount and shape of the filtering material, the ejection amount of air, and the like.

【００１１】濾過材は濾過機能に優れ、また散気管６か
ら空気を噴出した時に水中で舞い上がるものであれば合
成繊維を球形状にしたものに限らず、他の材質及び形状
のものでもよい。散気管６は濾過層５中に配置されてい
てもよい。散気管６に空気を供給するブロワは、槽内の
底板１４の下方に配置されていてもよい。また、オゾン
捕集管７、オゾン注入ブロワ８、注入管９などからなる
オゾン捕集装置については別の構造のオゾン捕集装置を
用いてもよい。またオゾナイザー（オゾン発生器）を別
途設けてもよい。The filtering material is not limited to the spherical shape of the synthetic fiber as long as it has an excellent filtering function and can fly up in water when air is ejected from the air diffusing tube 6, and other materials and shapes may be used. The air diffuser 6 may be arranged in the filtration layer 5. The blower that supplies air to the air diffuser 6 may be arranged below the bottom plate 14 in the tank. Further, as the ozone collecting device including the ozone collecting pipe 7, the ozone injection blower 8, the injection pipe 9 and the like, an ozone collecting device having a different structure may be used. Further, an ozonizer (ozone generator) may be separately provided.

【００１２】[0012]

【発明の効果】本発明では、散気管の空気噴出口列が筒
状の各散気管の両側部または筒状の各散気管の真下に一
列に設けられているので、空気噴出幅が広く、多数の濾
過材を沈殿させずに常時水中に舞い上がりぶつかりあっ
ているようにすることができるので、少ない数の散気管
で洗浄もれを生ずることなく効率よく濾過材などを洗浄
できる。According to the present invention, since the air outlet rows of the air diffusing tubes are provided in a row on both sides of each cylindrical air diffusing tube or directly below each cylindrical air diffusing tube, the air jetting width is wide. Since a large number of filter media can be made to constantly float in water and collide with each other without settling, the filter media and the like can be efficiently cleaned without causing a cleaning leak with a small number of air diffusers.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の水処理装置の一実施例の断面図。FIG. 1 is a sectional view of an embodiment of a water treatment device of the present invention.

【図２】散気管の平面図。FIG. 2 is a plan view of an air diffuser.

【図３】散気管の一本の断面図。FIG. 3 is a cross-sectional view of one air diffuser.

【図４】散気管の別な実施例の断面図。FIG. 4 is a cross-sectional view of another embodiment of the air diffusing tube.

【図５】散気管のさらに別な実施例の断面図。FIG. 5 is a cross-sectional view of yet another embodiment of the air diffusing tube.

【図６】従来の水処理装置の断面図。FIG. 6 is a cross-sectional view of a conventional water treatment device.

【図７】従来の水処理装置の散気管の平面図。FIG. 7 is a plan view of an air diffuser of a conventional water treatment device.

【図８】従来の水処理装置の散気管の断面図。FIG. 8 is a sectional view of an air diffuser of a conventional water treatment device.

【符号の説明】[Explanation of symbols]

１ 槽 ２ ジャケット ３ 紫外線ランプ ４ 濾床 ５ 濾過層 ６ 散気管 ６ａ 空気噴出口 １１ 給水口 １２ 出水口 １３ ドレイン 1 tank 2 jacket 3 UV lamp 4 filter bed 5 filtration layers 6 Air diffuser 6a Air jet 11 water inlet 12 Outlet 13 drain

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.⁵ 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ０１Ｄ 29/62 Ｃ０２Ｆ 1/78 9045−4Ｄ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location B01D 29/62 C02F 1/78 9045-4D

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】槽内の上方に有底の石英ガラス製のジャケ
ットに収納された適数個の紫外線ランプがそれぞれ垂直
に配置され、ジャケットの下方に配置された通気通水性
の濾床上に繊維球などからなる多数の濾過材からなる濾
過層が形成され、濾床の下方または濾過層中に、濾過材
を洗浄する時に濾過材を水中に舞い上がらせる空気を送
り出す空気噴出口を備えた散気管が配置されている水処
理装置において、散気管の空気噴出口列が筒状の各散気
管の両側部に設けられていることを特徴とする水処理装
置。1. An appropriate number of ultraviolet lamps housed in a quartz glass jacket with a bottom are vertically arranged in the upper part of the tank, respectively, and the fiber is placed on a filter bed of aeration and water permeability arranged below the jacket. A diffusing tube with an air jet that forms a filter layer consisting of a large number of filter media such as spheres, and below the filter bed or in the filter bed, which sends out air that causes the filter media to rise into the water when it is washed. The water treatment apparatus in which the air diffuser tubes of the air diffuser are provided on both sides of each cylindrical air diffuser. 【請求項２】空気噴出口列が筒状の各散気管の真下に一
列に設けられている、請求項１に記載の水処理装置。2. The water treatment apparatus according to claim 1, wherein the row of air jet outlets is provided directly below each of the cylindrical air diffusers.