JP2006328696A - Dust collector of effluent culvert - Google Patents

Dust collector of effluent culvert Download PDF

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Publication number
JP2006328696A
JP2006328696A JP2005150905A JP2005150905A JP2006328696A JP 2006328696 A JP2006328696 A JP 2006328696A JP 2005150905 A JP2005150905 A JP 2005150905A JP 2005150905 A JP2005150905 A JP 2005150905A JP 2006328696 A JP2006328696 A JP 2006328696A
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dust
screen
discharge chamber
dust removal
discharge pipe
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JP2005150905A
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JP4502205B2 (en
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Hideo Kurotani
秀夫 黒谷
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Daido Kiko Inc
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Daido Kiko Inc
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a dust collector of an effluent culvert capable of automatically removing dirt removed on a dust collecting screen by a water flow without requiring a manpower or a mechanical removing device. <P>SOLUTION: A rainwater discharge chamber 1 is installed midway in the sewer culvert, and a overflow dam 5 is installed at the front of the inlet of the effluent culvert 4 in the rainwater discharge chamber 1. The dust collecting screen 6 using a gutter-like rail 6a is diagonally installed between the overflow dam 5 and the side wall part 1a of the rainwater discharge chamber 1 to which the effluent culvert 4 is connected. A receiving gutter 7 is formed at the upper edge of the dust collecting screen 6, and a dust collecting chute 8 joined to the receiving gutter 7 is formed on the downstream side of the dust collecting screen 6. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、除塵スクリーン上に分離された塵芥の除去が、手作業や機械的機構によることなく行われる放流管渠の除塵装置に関するものである。   The present invention relates to a dust removal device for a discharge pipe so that removal of dust separated on a dust removal screen is performed without manual operation or mechanical mechanism.

従来、下水道において、入口に除塵スクリーンを配置した放流管渠を設けて、増水時に増水分を放流管渠に分流して、越流雨水を直接、公共水域に放流しているが、タバコの吸口や落葉等の細小浮遊物が公共水域を汚染する虞があり、狭隘な下水管路内での除塵が困難であった。   Conventionally, in the sewer, a discharge pipe with a dust removal screen is installed at the entrance, and when the water increases, the increased moisture is diverted to the discharge pipe and the overflow rainwater is discharged directly into the public water area. There is a possibility that small floating objects such as leaves and fallen leaves may contaminate public water areas, and it is difficult to remove dust in narrow sewage pipes.

しかし、除塵スクリーンに付着した塵芥の手作業による除去は面倒であり、また、機械的除去装置を付設した場合は、除塵装置が高価になるばかりでなく、その管理・維持に人手を要するという問題があった。
特開２００２−３１７４２８号公報 However, the manual removal of the dust adhering to the dust removal screen is troublesome, and when a mechanical removal device is attached, the dust removal device is not only expensive, but also requires management and maintenance. was there.
JP 2002-317428 A

そこで本発明は、除塵スクリーン上に除去された塵芥の除去に、人手又は機械的除去装置を必要とせず、水流によって自動的に除去される放流管渠の除塵装置を提供することを課題とするものである。   Therefore, an object of the present invention is to provide a dust removing device for a discharge pipe so that it does not require a manual or mechanical removing device for removing dust removed on a dust removing screen and is automatically removed by a water flow. Is.

本発明は上記の課題を解決するためになされたもので、第１の発明は下水道管渠の途中に雨水吐室を設け、この雨水吐室内の放流管渠の流入口前に越流堰を設け、この越流堰と、放流管渠を接続した前記雨水吐室の壁の間に樋状の桟を用いた除塵スクリーンを斜めに設け、且つその除塵スクリーンの上縁に受け樋を設けると共に、除塵スクリーンの下流側に前記受け樋に繋がる除塵シュートを設けたことを特徴とする放流管渠の除塵装置である。   The present invention has been made in order to solve the above-mentioned problems. In the first invention, a rainwater discharge chamber is provided in the middle of a sewer pipe, and an overflow weir is provided before the inlet of the discharge pipe in the rainwater discharge chamber. A dust removal screen using a bowl-shaped bar is provided obliquely between the overflow weir and the wall of the rain discharge chamber connected to the discharge pipe rod, and a receiving rod is provided on the upper edge of the dust removal screen. A dust removing device for a discharge pipe rod, wherein a dust removing chute connected to the receiving rod is provided on the downstream side of the dust removing screen.

なお、除塵スクリーンに設ける樋状の桟は上端が下流側に位置するように、斜めに設けるようにした方が好ましい。また、除塵スクリーンの上縁に設ける受け樋は水勾配を付すことが好ましい。   In addition, it is preferable to provide the bowl-shaped crosspiece provided on the dust removal screen obliquely so that the upper end is located on the downstream side. Moreover, it is preferable that the receptacle provided in the upper edge of a dust removal screen gives a water gradient.

第２の発明は、第１の発明において、除塵スクリーンの下縁を越流堰又は雨水吐室の両側壁に枢着し、除塵スクリーンの上縁は、取付位置調整装置を介し又は介せずに雨水吐室の側壁に固定したことを特徴とする放流管渠の除塵装置である。   According to a second invention, in the first invention, the lower edge of the dust removing screen is pivotally attached to both side walls of the overflow weir or the rain discharge chamber, and the upper edge of the dust removing screen is not attached via the attachment position adjusting device. And a dust removing device for a discharge pipe soot that is fixed to the side wall of the rainwater discharge chamber.

第３の発明は、第１又は第２の発明において、越流堰及び除塵スクリーンを流れ方向に長く形成し、放流管渠を下流側に取付けたことを特徴とする放流管渠の除塵装置である。   A third aspect of the present invention is the dust removing device for a discharge pipe rod according to the first or second invention, wherein the overflow weir and the dust removal screen are formed long in the flow direction, and the discharge pipe rod is attached to the downstream side. is there.

第１の発明による除塵装置は、増水時において、雨水吐室に流入した下水は、越流堰を越えた雨水による増流分が、除塵スクリーンを通して放流管渠に排水される。   In the dust removal apparatus according to the first aspect of the present invention, the increased amount of sewage flowing into the rainwater discharge chamber is drained to the discharge pipe through the dust screen when the sewage flows into the rain discharge chamber.

そして除塵スクリーンによって放流管渠への流入を阻止されたタバコの吸口や落葉等の塵芥の一部は、雨水吐室に流入する水流によって下流へ押し流され、また増流分の雨水の一部は塵芥の一部と共に、除塵スクリーンの樋状の桟に案内されて上昇し、受け樋に集まり、受け樋を流れて下流側に設けた除塵シュートを経て、再び本管路と合流する。   And part of the dust, such as cigarette mouthpieces and fallen leaves, which are prevented from flowing into the discharge pipe by the dust screen, will be pushed downstream by the water flowing into the rainwater discharge chamber, and part of the increased rainwater will Along with a part of the dust, it rises as guided by a bowl-shaped beam of the dust removal screen, gathers in the receptacle, flows through the receptacle, passes through a dust removal chute provided on the downstream side, and joins the main pipe again.

除塵スクリーンに引っ掛った塵芥は、樋状の桟を上昇する水流によって押し上げられて、除塵スクリーンから除去され、更に受け樋を経て、除塵シュートを流れる水流によって、本管路へ流入して下流へ自動的に流れ去る。そして減流した時は、除塵スクリーンの塵芥は自然に本管路内へ落下して下流施設に送られる。つまり、本発明によれば、除塵スクリーンによって除去された塵芥は、人手又は機械的除去装置を煩わすことなく自動的に除去される効果がある。   The dust trapped on the dust removal screen is pushed up by the water flow rising up the bowl-shaped bar, removed from the dust removal screen, and further flows into the main line by the water flow through the dust removal chute after receiving the catch. Automatically flows away. When the current is reduced, the dust on the dust removal screen naturally falls into the main pipe and is sent to the downstream facility. In other words, according to the present invention, the dust removed by the dust removing screen is automatically removed without bothering a manual or mechanical removal device.

除塵スクリーンの設置角度は現場の状況に応じて決定されるものであるが、第２の発明のような構成にしておけば、設置角度を微調整することができるので設備の施工を容易にする実益がある。   Although the installation angle of the dust removal screen is determined according to the situation at the site, the installation angle can be finely adjusted if it is configured as in the second aspect of the invention, so that the installation of the facility is facilitated. There are real benefits.

第３の発明は、除塵効果が向上すると共に、受け樋上に集まった塵芥を流すための水流を強化させる効果がある。   The third invention has the effect of enhancing the water flow for flowing the dust collected on the receptacle while improving the dust removal effect.

図面は本発明の実施例を示すもので、図１は横断平面図、図２はＡ−Ａ線断面図、図３はＢ−Ｂ線断面図である。   FIG. 1 is a cross-sectional plan view, FIG. 2 is a cross-sectional view taken along line AA, and FIG. 3 is a cross-sectional view taken along line BB.

図２において、１は、下水道管渠の途中に設けた雨水吐室で、入口側に流入管渠２を、また下流側には、管渠の小さい流出管渠３が接続され、更に雨水吐室１の下流側に放流管渠４が接続されている。   In FIG. 2, 1 is a rainwater discharge chamber provided in the middle of the sewer pipe, and an inflow pipe 2 is connected to the inlet side, and an outflow pipe 3 having a small pipe is connected to the downstream side. A discharge pipe rod 4 is connected to the downstream side of the chamber 1.

そして、雨水吐室１内の前記放流管渠４の流入口前に越流堰５が設けられ、この越流堰５と、放流管渠４を接続した、前記雨水吐室１の側壁１ａ間に断面がＶ又はＵ状の樋状の桟６ａを用いた除塵スクリーン６が斜めに設けられている。   An overflow weir 5 is provided in front of the inlet of the discharge pipe tub 4 in the rain discharge chamber 1, and the overflow weir 5 is connected between the side wall 1 a of the rain discharge chamber 1 connected to the discharge pipe tub 4. Further, a dust removing screen 6 using a bowl-shaped bar 6a having a V-shaped or U-shaped cross section is provided obliquely.

実施例の場合、除塵スクリーン６の下縁６ｂを越流堰５上に設け、その両端を雨水吐室１の側壁１ｂ，１ｂに枢着し、上縁に水勾配を設けた受け樋７を設けると共に、その両端を雨水吐室１の側壁１ｂ，１ｂに固定し、且つ除塵スクリーン６の下流側に受け樋７と繋がる除塵シュート８が取付けられている。   In the case of the embodiment, a lower edge 6b of the dust removing screen 6 is provided on the overflow weir 5, and both ends thereof are pivotally attached to the side walls 1b and 1b of the rain discharge chamber 1, and a receiving rod 7 having a water gradient at the upper edge is provided. At the same time, a dust removal chute 8 that is fixed to the side walls 1 b and 1 b of the rain water discharge chamber 1 and connected to the receiving bowl 7 is attached to the downstream side of the dust removal screen 6.

なお、この実施例では除塵シュート８は図３に示すように、除塵スクリーン６の取付角度より小さい角度に設けられている。   In this embodiment, the dust removal chute 8 is provided at an angle smaller than the attachment angle of the dust removal screen 6 as shown in FIG.

以上のように構成されているので、流入管渠２より雨水吐室１に流入した下水は、増水時に越流堰５を越流した増水分が除塵スクリーン６を経て、放流管渠４に流入する。   Since it is configured as described above, the sewage that has flowed into the rain discharge chamber 1 from the inflow pipe 2 flows into the discharge pipe 4 through the dust removal screen 6 through the dust removal screen 6 when the sewage has overflowed the overflow weir 5 at the time of water increase. To do.

この時、タバコの吸口や落葉等の塵芥は、除塵スクリーン６によって除去され、除塵スクリーン６上の塵芥は樋状の桟６ａを上昇する水流と後続の塵芥により上方に押し上げられ、受け樋７に集まり、受け樋７及び除塵シュート８を経て、汚水流出管渠３へ放流される。   At this time, dust such as cigarette mouthpieces and fallen leaves is removed by the dust removing screen 6, and the dust on the dust removing screen 6 is pushed upward by the water flow rising up the bowl-shaped bar 6 a and the subsequent dust, It gathers, passes through the receiving bowl 7 and the dust removal chute 8 and is discharged into the sewage outflow pipe 3.

すなわち、除塵スクリーン６によって除去された塵芥は、樋上の桟６ａを上昇する水流と後続の塵芥と共に押し上げられ、受け樋７及び除塵シュート８を経て、流出管渠３へ放流されることになる。   That is, the dust removed by the dust removing screen 6 is pushed up together with the water flow rising on the rail 6 a on the fence and the subsequent dust, and discharged to the outflow pipe rod 3 through the receiving rod 7 and the dust removing chute 8.

除塵スクリーン６の取付け傾斜角度は、現場の状況によって決定されるのものであるが、図示しなかったが、除塵スクリーン６の上縁位置と設定するための取付位置調整装置を設けると便利である。   Although the attachment inclination angle of the dust removing screen 6 is determined according to the situation at the site, it is convenient to provide an attachment position adjusting device for setting the upper edge position of the dust removing screen 6 although not shown. .

なお、図示しなかったが、受け樋７の水勢を強化するため、除塵スクリーン６の樋状の桟６ａは、上端が下流側に位置するように、斜めに設けるようにした方が好ましい。   Although not shown, in order to strengthen the water flow of the receiving bowl 7, it is preferable that the bowl-shaped crosspiece 6a of the dust removing screen 6 is provided obliquely so that the upper end is located on the downstream side.

本発明の実施例の横断平面図Transverse plan view of an embodiment of the present invention 図１のＡ−Ａ線断面図AA line sectional view of FIG. 図１のＢ−Ｂ線断面図BB sectional view of FIG.

符号の説明Explanation of symbols

１ 雨水吐室
２ 流入管渠
３ 流出管渠
４ 放流管渠
５ 越流堰
６ 除塵スクリーン
７ 受け樋
８ 除塵シュート DESCRIPTION OF SYMBOLS 1 Rain water discharge chamber 2 Inflow pipe 渠 3 Outflow pipe 渠 4 Outflow pipe 渠 5 Overflow weir 6 Dust removal screen 7 Receptacle 8 Dust removal chute

Claims (3)

下水道管渠の途中に雨水吐室を設け、この雨水吐室内の放流管渠の流入口前に越流堰を設け、この越流堰と、放流管渠を接続した前記雨水吐室の壁の間に樋状の桟を用いた除塵スクリーンを斜めに設け、且つその除塵スクリーンの上縁に受け樋を設けると共に、除塵スクリーンの下流側に前記受け樋に繋がる除塵シュートを設けたことを特徴とする放流管渠の除塵装置。 A rainwater discharge chamber is provided in the middle of the sewer pipe, an overflow weir is installed in front of the outlet of the discharge pipe in the rainwater discharge chamber, and the wall of the rainwater discharge chamber connected to the overflow weir and the discharge pipe It is characterized in that a dust-removing screen using a bowl-shaped cross is provided obliquely, and a receiving rod is provided on the upper edge of the dust-removing screen, and a dust removing chute connected to the receiving rod is provided on the downstream side of the dust removing screen. Dust removal device for discharge pipes. 除塵スクリーンの下縁を越流堰又は雨水吐室の両側壁に枢着し、除塵スクリーンの上縁は、取付位置調整装置を介し又は介せずに雨水吐室の側壁に固定したことを特徴とする請求項１記載の放流管渠の除塵装置。 The lower edge of the dust removal screen is pivotally attached to both side walls of the overflow weir or the rain discharge chamber, and the upper edge of the dust removal screen is fixed to the sidewall of the rain discharge chamber with or without the attachment position adjusting device. 2. A dust removing device for a discharge pipe soot according to claim 1. 越流堰及び除塵スクリーンを流れ方向に長く形成し、放流管渠を下流側に取付けたことを特徴とする請求項１または請求項２記載の放流管渠の除塵装置。 3. The dust removing device for a discharge pipe according to claim 1, wherein the overflow weir and the dust removal screen are formed long in the flow direction, and the discharge pipe is attached to the downstream side.
JP2005150905A 2005-05-24 2005-05-24 Dust removal device for discharge pipe Expired - Fee Related JP4502205B2 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105256875A (en) * 2015-08-31 2016-01-20 清华大学 Levee-type initial stage rainwater interception-storage-processing combined system
CN105672464A (en) * 2016-03-07 2016-06-15 济创环保工程（苏州）有限公司 Unpowered flow limiting type intelligent catch basin with floating residue blocking function
CN105672461A (en) * 2016-03-07 2016-06-15 济创环保工程（苏州）有限公司 Electronic control flow limiting type intelligent catch basin with floating residue blocking function
CN105714926A (en) * 2016-03-07 2016-06-29 济创环保工程（苏州）有限公司 Intrusion-prevention intelligent intercepting well with slag blocking and unpowered current-limiting functions
CN105804223A (en) * 2016-03-07 2016-07-27 济创环保工程（苏州）有限公司 Intelligent anti-backward-flowing intercepting well with slag blocking function and electric-control flow-limiting function

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03207406A (en) * 1990-01-10 1991-09-10 Tetsuo Nishida Solid-liquid separator
JPH09209434A (en) * 1996-02-02 1997-08-12 Toshihiro Nakano Dust rejecting device of overflow rain water
JP2003278264A (en) * 2002-03-26 2003-10-02 Ngk Insulators Ltd Rain water treatment equipment
JP2005076442A (en) * 2003-09-03 2005-03-24 Yoshiji Sakamoto Suspended matter removing device equipped with suspended matter storage fence

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03207406A (en) * 1990-01-10 1991-09-10 Tetsuo Nishida Solid-liquid separator
JPH09209434A (en) * 1996-02-02 1997-08-12 Toshihiro Nakano Dust rejecting device of overflow rain water
JP2003278264A (en) * 2002-03-26 2003-10-02 Ngk Insulators Ltd Rain water treatment equipment
JP2005076442A (en) * 2003-09-03 2005-03-24 Yoshiji Sakamoto Suspended matter removing device equipped with suspended matter storage fence

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105256875A (en) * 2015-08-31 2016-01-20 清华大学 Levee-type initial stage rainwater interception-storage-processing combined system
CN105672464A (en) * 2016-03-07 2016-06-15 济创环保工程（苏州）有限公司 Unpowered flow limiting type intelligent catch basin with floating residue blocking function
CN105672461A (en) * 2016-03-07 2016-06-15 济创环保工程（苏州）有限公司 Electronic control flow limiting type intelligent catch basin with floating residue blocking function
CN105714926A (en) * 2016-03-07 2016-06-29 济创环保工程（苏州）有限公司 Intrusion-prevention intelligent intercepting well with slag blocking and unpowered current-limiting functions
CN105804223A (en) * 2016-03-07 2016-07-27 济创环保工程（苏州）有限公司 Intelligent anti-backward-flowing intercepting well with slag blocking function and electric-control flow-limiting function

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