JP7266187B2 - Polluted water deturbidity method - Google Patents

Polluted water deturbidity method Download PDF

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JP7266187B2
JP7266187B2 JP2018004971A JP2018004971A JP7266187B2 JP 7266187 B2 JP7266187 B2 JP 7266187B2 JP 2018004971 A JP2018004971 A JP 2018004971A JP 2018004971 A JP2018004971 A JP 2018004971A JP 7266187 B2 JP7266187 B2 JP 7266187B2
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water flow
plate
zigzag
water
flow
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JP2019124038A (en
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倫 波多野
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日本ソリッド株式会社
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Description

本発明は、水流がある水路、河川等における汚濁水の除濁方法に関する。 TECHNICAL FIELD The present invention relates to a method for removing turbid water in waterways, rivers, etc., where water flows.

従来、汚濁水の除濁方法については、種々の方法が提案されている。特に代表的なものとしては、フロートに垂下膜を設けた水流傾斜板を連設したものが知られている。そしてこれら水流傾斜板を種々の形態に展張することが提案されている。例えば水流傾斜板を水流に対して、対向して展張したり、また水流に対して斜めに展張したりして処理を行なっている。また水流傾斜板を井に連続して設ける方法も知られている。 Conventionally, various methods have been proposed as methods for removing turbidity from polluted water. A particularly typical example is a float in which a sloping plate with a hanging film is provided in series. It has been proposed to extend these water flow inclined plates in various forms. For example, the treatment is performed by extending the water flow inclined plate facing the water flow or extending it obliquely with respect to the water flow. It is also known to provide a flow ramp continuously in the well.

しかしながら、前記水流傾斜板を従来知られた展張方法によって汚濁水を処理した場合、水流が穏やかな時には所期の目的を達成することはできるが、水流の流速が速くなると、垂下膜の吹き上がり現象が生起するようになり、除濁能力が低下する傾向があった。
そこで本発明者は、水流の流速が速くなっても水流傾斜板の除濁能力を低下させることのない、展張方法について種々研究を重ねた結果本発明を完成するに至った。 However, when polluted water is treated by a conventionally known stretching method of the water flow inclined plate, the intended purpose can be achieved when the water flow is gentle, but when the water flow speed increases, the hanging film blows up. A phenomenon began to occur, and the turbidity removal ability tended to decrease.
Therefore, the present inventor has completed various researches on a spreading method that does not reduce the clarification ability of the water flow inclined plate even if the flow speed of the water flow increases. As a result, the present invention has been completed.

すなわち、本発明は、水流のある水域に、流水方向に対しフロートに垂下膜を設けた、水流傾斜板をジグザク状に連設して長手方向に設け、かつ該ジグザグ状水流傾斜板と隣接するジグザク状水流傾斜板との間に間隔を設けて多重展張することを特徴とする汚濁水の除濁方法である。 That is, in the present invention, in a water area with a water flow, a water flow sloping plate with a float provided with a hanging film in the direction of water flow is provided in a zigzag shape in a row in the longitudinal direction, and is adjacent to the zigzag water flow sloping plate. This is a method for removing turbidity from polluted water, characterized in that multiple spreading is provided with a space between the zigzag-shaped inclined water flow plate.

本発明の除濁方法によれば、水流が速い場合でも水流の干渉現象を生起すると共に、展張手段によって垂下膜の吹き上がりを防止することができ、かつジグザク状に展張することによって多数の淀み個所が設けられていることから汚濁水中の汚濁粒子を効率的に捕捉することができる。 According to the turbidity removal method of the present invention, even when the water flow is fast, the interference phenomenon of the water flow occurs, and the hanging film can be prevented from blowing up by the spreading means. Since the spots are provided, polluted particles in polluted water can be efficiently captured.

水流傾斜板の正面図である。It is a front view of a water flow inclination plate. ジグザク状水流傾斜板の平面図である。FIG. 4 is a plan view of a zigzag water flow inclined plate; ジグザク状水流傾斜板を河川に設置した状態を示す平面図である。FIG. 4 is a plan view showing a state in which a zigzag-shaped water flow slope plate is installed in a river; ジグザク状水流傾斜板を河川に設置した他の態様を示す平面図である。FIG. 10 is a plan view showing another aspect in which the zigzag-shaped water flow slope plate is installed in the river. ジグザク状水流傾斜板を河川に設置した他の態様を示す平面図である。FIG. 10 is a plan view showing another aspect in which the zigzag-shaped water flow slope plate is installed in the river. ジグザク状水流傾斜板を河川に設置した他の態様を示す平面図である。FIG. 10 is a plan view showing another aspect in which the zigzag-shaped water flow slope plate is installed in the river. ジグザク状水流傾斜板を河川に設置した他の態様を示す平面図である。FIG. 10 is a plan view showing another aspect in which the zigzag-shaped water flow slope plate is installed in the river.

次に本発明を図面を参照しながら説明する。
図１に示すように、水流傾斜板１は、略円筒型の長方形のフロート２の下部に垂下膜３を設け、前記フロート２の両端部に連結具４を設けてなるものである。垂下膜３の下端部５には重錘を設けることが好ましい（図示せず）。
本発明は、前記水流傾斜板１を用い、図２に示すように、ジグザク状に連設し、かつ図３に示すように、隣接するジグザク状水流傾斜板６との間に間隔Ｈを設けて多重展張する。
またジグザク状水流傾斜板６の他の展張方法としては図４に示すように対称形となるように展張することもできる。さらに他の態様として図５に示すように、隣接するジグザク状水流傾斜板６に比して前後にずらせて設置することもできる。
さらに図６に示すように、ジグザグ状水流傾斜板６の上流側に流れを横断するように水流傾斜板１を直線状に連設した水流傾斜板７の下流側に、隣接するジグザク状水流傾斜板６との間に間隔を設けて多重展張することもできる。また図７に示すように、ジグザグ状水流傾斜板６の上流側に流れを横断するように水流傾斜板１をＶ字状に連設した水流傾斜板７を設置することもできる。
このように流れを横断するように水流傾斜板１を設けることによって、水流の流速を弱めると共に、整流化を行うことができるので除濁効果が一層向上する。 The present invention will now be described with reference to the drawings.
As shown in FIG. 1, the inclined water flow plate 1 comprises a substantially cylindrical rectangular float 2 with a hanging film 3 provided at the bottom thereof, and connectors 4 provided at both ends of the float 2 . A weight is preferably provided at the lower end portion 5 of the drooping film 3 (not shown).
In the present invention, the water flow sloping plates 1 are used, and as shown in FIG. multiple deployments.
As another method of extending the zigzag-shaped water flow inclined plate 6, it is also possible to extend it so as to form a symmetrical shape as shown in FIG. As another mode, as shown in FIG. 5, it is possible to displace the adjacent zigzag water flow inclination plate 6 back and forth.
Furthermore, as shown in FIG. 6, on the upstream side of the zigzag inclined water flow plate 6, the adjacent zigzag inclined water flow plate 7 is provided on the downstream side of the water flow inclined plate 7 in which the water flow inclined plate 1 is linearly connected so as to cross the flow. It is also possible to provide a space between it and the plate 6 so that it can be spread multiple times. Further, as shown in FIG. 7, a water flow sloping plate 7 in which the water flow sloping plates 1 are connected in a V-shape so as to cross the flow can be installed on the upstream side of the zigzag water flow sloping plate 6 .
By providing the water flow inclined plate 1 so as to traverse the flow in this way, the flow velocity of the water flow can be weakened and the flow can be rectified, so that the clarification effect is further improved.

本発明のジグザク状水流傾斜板６を構成する時に、その一辺は水流傾斜板１を目的に応じて１個以上連結して構成することができる。ジグザグ状水流傾斜板の角部の角度αは７０～１７０°、好ましくは９０～１５０°であることが好ましい。
また隣接するジグザグ状水流傾斜板６との間隔Ｈは、水流の流速にもよるが、一般的に１～２０ｍ設けることによって水流の干渉現象および除濁効率が上がるので好ましい。
さらに本発明の除濁方法は特に水流の流速が０．５～１．５ｍ／Ｓの場合にも卓越した効果を有する。 When constructing the zigzag-shaped water flow sloping plate 6 of the present invention, one or more water flow sloping plates 1 can be connected to one side according to the purpose. The angle α of the corners of the zigzag water flow inclined plate is preferably 70 to 170°, preferably 90 to 150°.
The interval H between the adjacent zigzag-shaped water-flow inclined plates 6 depends on the flow velocity of the water flow, but is generally preferably 1 to 20 m, because the interference phenomenon of the water flow and the clarification efficiency are improved.
Furthermore, the method for removing turbidity of the present invention has outstanding effects especially when the flow velocity of the water stream is 0.5 to 1.5 m/s.

本発明に使用する垂下膜３の素材としては、例えばシート状通水膜、ネット状並びにラッシュ状透水膜等が掲げられる。 Materials for the drooping membrane 3 used in the present invention include, for example, sheet-like water-permeable membranes, net-like and rush-like water-permeable membranes, and the like.

１・・・水流傾斜板
２・・・フロート
３・・・垂下膜
６・・・ジグザグ状水流傾斜板
DESCRIPTION OF SYMBOLS 1... Water flow inclination plate 2... Float 3... Hanging film 6... Zigzag-shaped water flow inclination plate

Claims (1)

水流の流速が０．５～１．５ｍ／Ｓを有する水域に、流れ方向に対し、フロートに 垂下膜を設けた水流傾斜板を、角部の角度αを７０～１７０°としてジグザグ状に連接して長手方向に設け、かつ該ジグザグ状水流傾斜板と、隣接するジグザグ状水流傾斜板との間に間隔を設けて、多重展張することにより、垂下膜の吹き上がりを防止することを特徴とする、汚濁水の除濁方法。 In a water area with a water flow velocity of 0.5 to 1.5 m/s, a water flow inclined plate with a hanging film on the float is placed in a zigzag shape with a corner angle α of 70 to 170° against the flow direction. The zigzag inclined water flow plate and the adjacent zigzag inclined water flow plate are spaced apart from each other to prevent the hanging film from blowing up. A method for removing turbidity from polluted water.
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JP6059215B2 (en) 2011-06-21 2017-01-11 インテル コーポレイション Apparatus, system and method for wireless charging for PC platform and peripherals

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US4288589A (en) * 1978-06-30 1981-09-08 Ciba-Geigy Corporation Cationic dyes
JPS5524391U (en) * 1978-08-07 1980-02-16
JPS6059215A (en) * 1983-09-09 1985-04-05 Nippon Solid Co Ltd Prevention of turbid condition of river
US5071286A (en) * 1989-11-13 1991-12-10 Separovich Robert A Floating boom for confining waterborne contaminates
JPH10325123A (en) * 1997-05-26 1998-12-08 Nippon Solid Co Ltd Device for removing pollutant in river, etc.
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