JPH0243406A - Screen type impurity disposal device - Google Patents

Screen type impurity disposal device

Info

Publication number
JPH0243406A
JPH0243406A JP19333388A JP19333388A JPH0243406A JP H0243406 A JPH0243406 A JP H0243406A JP 19333388 A JP19333388 A JP 19333388A JP 19333388 A JP19333388 A JP 19333388A JP H0243406 A JPH0243406 A JP H0243406A
Authority
JP
Japan
Prior art keywords
screen
rake
impurities
fluid
plate
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
Application number
JP19333388A
Other languages
Japanese (ja)
Inventor
Minoru Sato
稔 佐藤
Masabumi Hazama
正文 間
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nishihara Environment Co Ltd
Original Assignee
Nishihara Environmental Sanitation Research Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nishihara Environmental Sanitation Research Corp filed Critical Nishihara Environmental Sanitation Research Corp
Priority to JP19333388A priority Critical patent/JPH0243406A/en
Publication of JPH0243406A publication Critical patent/JPH0243406A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To prevent the clogging of a screen with impurities by placing an impurity disposal device consisting of a screen formed with plate bodies arranged in parallel to each other at intervals and a rake and arranging the plate bodies to make the upper stream surface of the screen rugged. CONSTITUTION:By arranging a plural number of plate members 12a in parallel to each other, a screen 12 is constructed to form a rugged surface on the upper stream surface. And a rotary rake device 10 is provided so as to scrape up impurities on the upper stream surface of the screen 12 by means of a rake 10a having a comb-shaped member 10a. Furthermore, a scraper device 14 is provided in parallel with the rake device 10 and it is possible to scrape off residuals on the rake 10a. Consequently, even when impurities are caught on the protruding part on the upper stream surface of the screen, it is possible to secure a flow channel between the screen dent part and impurities and make it easy to scrape off and remove impurities with the rake.

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は、流体流入の水路内に設けるスクリーン式夾雑
物処理装置に関し、具体的にはスクリーンの上流面を凹
凸に形成したスクリーン式夾雑物処理装置に関する。
[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a screen-type contaminant treatment device installed in a fluid inflow channel, and specifically relates to a screen-type contaminant treatment device in which the upstream surface of the screen is formed with an uneven surface. It relates to a processing device.

[従来の技術] 従来のスクリーン式夾雑物処理装置にあっては、スクリ
ーンの流体流入の上流面が平面状になっている。この為
に、ビニールフィルムや布のような比較的幅広の夾雑物
がスリットを通過せず、第4図に示すように、ぴったり
とスクリーン面を覆って目詰まりを生じ、流れを阻止す
ることがあった。
[Prior Art] In a conventional screen-type foreign substance treatment device, the upstream surface of the screen into which the fluid flows is flat. For this reason, relatively wide foreign objects such as vinyl film or cloth do not pass through the slits, and as shown in Figure 4, they tightly cover the screen surface, causing clogging and blocking the flow. there were.

この為に、スクリーン部における流れの損失抵抗が大き
くなり、これらの夾雑物をレーキ等の手段で直ちに除去
しないと、上流側の水位が異常に上昇し、水路より水が
溢れる原因となったり、夾雑物がスクリーン式夾雑物処
理装置の背後に流出することがあり、後の処理の妨げに
もなっていた。
For this reason, the flow loss resistance in the screen section increases, and if these impurities are not immediately removed by means such as a rake, the water level on the upstream side will rise abnormally, causing water to overflow from the channel. Contaminants sometimes flow behind the screen-type contaminant treatment device, which hinders subsequent treatment.

しかも、フィルム状や幅広い布状の夾雑物がスクリーン
面にびりなりとくっついた場合、レーキ等の手段で除去
しようとしても、引き剥がすのが大変困難で、大きな力
が必要な時もあり、レーキの破損、故障の原因にもなっ
ていた。
Moreover, if film-like or wide-cloth-like foreign matter clings tightly to the screen surface, even if you try to remove it with a rake or other means, it is very difficult to pull it off and sometimes requires a great deal of force. It was also the cause of damage and malfunction.

[発明の目的] 本発明は、夾雑物によるスクリーンの目詰まりが極力少
じないようにしたスクリーン式夾雑物処理装置を提供す
ることを目的としている。
[Object of the Invention] An object of the present invention is to provide a screen-type foreign matter processing device in which clogging of the screen due to foreign matter is minimized.

[課題を解決するための手段] 上記目的を達成するために、本発明のスクリーン式夾雑
物処理装置においては、水路を流れる流体から夾雑物を
除去するために、流体流入側から流体流出側に向けてス
リットを形成するように相互に間隔をおいて配置された
多数の板状部材でスクリーンを楕成し、しかもスクリー
ン上流面に凹凸が形成されるように複数の板状部材を配
列しなので、流体が前記スリットを通過して流出すると
共に流体中の夾雑物がスクリーン上流面の凸部に残るよ
うになる。そして、レーキの先端がスクリーン上流面の
凸部に残る夾雑物を掻き上げることになる。このように
、スクリーン上流面の凸部が夾雑物で覆われても、第3
図で示すようにスクリーン凸部に残る夾雑物とスクリー
ン凹部との間に隙間ができるようにした。
[Means for Solving the Problems] In order to achieve the above object, in the screen-type contaminant treatment device of the present invention, in order to remove contaminants from the fluid flowing through the waterway, a filter is installed from the fluid inflow side to the fluid outflow side. The screen is made up of a large number of plate-like members arranged at intervals so as to form slits toward each other, and the plurality of plate-like members are arranged in such a way that unevenness is formed on the upstream surface of the screen. As the fluid passes through the slit and flows out, impurities in the fluid remain on the convex portion of the upstream surface of the screen. Then, the tip of the rake scrapes up the foreign matter remaining on the convex portion of the upstream surface of the screen. In this way, even if the convex part on the upstream surface of the screen is covered with foreign matter, the third
As shown in the figure, a gap was created between the contaminants remaining on the screen projections and the screen recesses.

[作用] 上記のように構成されたスクリーンを有する夾雑物処理
装置では、流体中の夾雑物がスクリーン上流面の凸部に
引っ掛かっても、スクリーン凹部と夾雑物との間に空隙
が存在するので、従来型に比べ、流れの損失抵抗が少な
くなる。従って、流体がスクリーンのスリットを滑らか
に通過すると共に、スクリーンの上流面に溜まった夾雑
物のレーキ等による掻取り除去が容易となるので、破損
等による故障も少なくなる。
[Operation] In a contaminant treatment device having a screen configured as described above, even if contaminants in the fluid are caught in the convex portion on the upstream surface of the screen, a gap exists between the concave portion of the screen and the contaminants. , the flow loss resistance is lower than that of the conventional type. Therefore, the fluid passes smoothly through the slits of the screen, and the impurities accumulated on the upstream surface of the screen can be easily scraped off with a rake or the like, thereby reducing failures due to breakage or the like.

[実施例] 実施例について図面を参照して説明すると、第1図は、
水路の一部を示してあり、水路中では夾雑物を含む流体
が矢印Aの方向に流れるようになっている。
[Example] An example will be described with reference to the drawings. FIG. 1 shows the following:
A portion of a waterway is shown, in which fluid containing impurities flows in the direction of arrow A.

第1図には、水路中を流れる流体から夾雑物を除去する
ためのスクリーン式夾雑物処理装置が示されている。該
スクリーン式夾雑物処理装置は、回転式レーキ装置10
とスクリーン12からなり、レーキ10aでスクリーン
12の上流面の夾雑物が掻き上げられるようになってい
る6 スクリーン12は、第2図に示すように固定配置された
複数の板状部材12aから構成されたバースクリーン型
で、これらの板状部材12aは、スクリーン12の上流
面に凹凸が形成されるように配列されており、相互に間
隔(例えば、5〜50mmの間隔)をおいてスリットを
形成するように上端部と下端部で互に固定されている。
FIG. 1 shows a screen-type contaminant treatment device for removing contaminants from fluid flowing in a waterway. The screen type foreign matter processing device includes a rotary rake device 10.
and a screen 12, and the impurities on the upstream surface of the screen 12 are scraped up by a rake 10a.6 The screen 12 is composed of a plurality of plate-like members 12a fixedly arranged as shown in FIG. These plate-like members 12a are arranged so that unevenness is formed on the upstream surface of the screen 12, and slits are formed at intervals (for example, intervals of 5 to 50 mm) from each other. The upper end and the lower end are fixed to each other so as to form a shape.

このスクリーン式夾雑物処理装置には、スクリーン12
と回転式レーキ装置10と並んでスクレーバ装置14を
設けである。スクレーパ装置14は、ホッパー18のシ
ュート18aの上方に配置され、回転式レーキ装置10
のレーキ10aが駆動用スプロケット16aおよび従動
スプロケット16bで順次上方へ移動されるとき、レー
キ10a上のし渣(流体から引き上げられた夾雑物)を
掻き落とすようになっている。レーキ10aは櫛歯状部
材を有し、この櫛歯状部材がスクリーン12のスリット
中に少なくとも一部が係合し、これによりし渣の掻取り
効率が改善される。
This screen type contaminant treatment device has a screen 12.
A scraper device 14 is provided alongside the rotary rake device 10. The scraper device 14 is arranged above the chute 18a of the hopper 18, and the rotary rake device 10
When the rake 10a is sequentially moved upward by the driving sprocket 16a and the driven sprocket 16b, the scum (contaminants pulled up from the fluid) on the rake 10a is scraped off. The rake 10a has a comb-like member, which at least partially engages in the slits of the screen 12, thereby improving the efficiency of scraping the scum.

第2図(a)、(b)に、本実施例にかがるスクリーン
12の板状部材12aの配置を示す0図から明らかなよ
うに、スクリーンの上流面に凹凸が形成されるように複
数の板状部材12aかく例えば、約20mmの段差を設
けて)配列されている。スクリーン12の上流面をこの
様な凹凸状に形成することにより、フィルム状のビニー
ルや布等の比較的幅広い夾雑物が、スクリーン凸部の板
状部材12aの上流面に付着しても、第3図に示すよう
に夾雑物はスクリーン凹部の板状部材12aから浮き上
がっていることになる。即ち、スクリーン凸部の板状部
材12aの上流面に引っ掛かった夾雑物とスクリーン凹
部の板状部材12aの上流面には空隙が生じる。従って
、板状部材12aの間のスリットが夾雑物で完全に塞が
れることが無くなり、スクリーン12と夾雑物の間は、
どこかで隙間が設けられているようになる。
As is clear from FIGS. 2(a) and 2(b), which show the arrangement of the plate-like members 12a of the screen 12 according to this embodiment, the upstream surface of the screen has irregularities. The plurality of plate-like members 12a are arranged, for example, with a step difference of about 20 mm. By forming the upstream surface of the screen 12 in such an uneven shape, even if a relatively wide range of contaminants such as film-like vinyl or cloth adhere to the upstream surface of the plate member 12a of the screen convex part, the As shown in FIG. 3, the contaminants are lifted up from the plate member 12a in the screen recess. That is, a gap is created between the foreign matter caught on the upstream surface of the plate member 12a in the screen convex portion and the upstream surface of the plate member 12a in the screen recess. Therefore, the slit between the plate-shaped member 12a is not completely blocked by foreign matter, and the space between the screen 12 and the foreign matter is
There will be a gap somewhere.

このことにより、スクリーン部での流れの損失抵抗が少
なくなるので、流入流体の処理量も減少することなく、
水路の異常水位上昇もなくなる。
As a result, the flow loss resistance at the screen section is reduced, so the throughput of inflow fluid is not reduced.
Abnormal water level rises in waterways will also be eliminated.

さらに、レーキによる夾雑物の掻き取りも容易に、スム
ーズに行えることができるようになる。
Furthermore, it becomes possible to easily and smoothly scrape off impurities with a rake.

この夾雑物処理装置の操作では、夾雑物処理量が少ない
場合には、通常はレーキ10aが時間間隔をおいて回転
駆動される。この場合、レーキ10aの静止期間には、
夾雑物がスクリーン12の上流面に滞積する。この滞積
した夾雑物で水路内の流体が部分的にせき止められた場
合、水路内のスクリーン部における損失抵抗が強まり、
その結果水位が上る。このとき、水路の壁における所定
水位箇所にまで水位が上がったことを水位計が検出する
と、駆動装置20が作動し、駆動用スプロケット16a
および従動スプロケット16bを介してレーキ10aを
回転駆動させることもできる。
In the operation of this contaminant treatment apparatus, when the amount of contaminants to be treated is small, the rake 10a is normally rotated at time intervals. In this case, during the stationary period of the rake 10a,
Contaminants accumulate on the upstream surface of the screen 12. When the fluid in the waterway is partially blocked by this accumulated foreign matter, the loss resistance at the screen part in the waterway increases,
As a result, the water level rises. At this time, when the water level gauge detects that the water level has risen to a predetermined water level on the wall of the waterway, the drive device 20 is activated and the drive sprocket 16a
The rake 10a can also be rotationally driven via the driven sprocket 16b.

また、流体流入量が極めて大きい場合は、レーキ10a
は連続して回転駆動されるので、夾雑物掻き上げ作用が
連続する。
In addition, if the amount of fluid inflow is extremely large, the rake 10a
Since it is continuously driven to rotate, the action of scraping up foreign matter is continuous.

[発明の効果コ 本発明は、以上説明したように構成されているので、流
体がスクリーン部を滑らかに通過すると共に、スクリー
ンの上流側に溜まった夾雑物の除去が容易となり、処理
能力が著しく高まる効果を奏する。特に、スクリーンの
板状部材を流れに対して傾斜して配置した場合、レーキ
による夾雑物の掻き上げが容易となるので、本願発明は
有効である。尚、この夾雑物処理装置は、特に水路内に
浸漬されたものとして記載されたが、他の領域でも使用
できる。さらに、スクリーンの上流面に凹凸が形成され
るように複数の板状部材を配設したスクリーンは、水路
内に固定してもよく、また回転体スクリーンとして構成
し、夾雑物の掻取り装置と、スクリーン内部から延び、
流体の外側にある投棄位置までし渣を運ぶ搬送装置と、
これらを駆動させる駆動装置とを一体化して構成しても
よい
[Effects of the Invention] Since the present invention is configured as described above, the fluid passes through the screen portion smoothly, and the removal of foreign substances accumulated on the upstream side of the screen is facilitated, and the processing capacity is significantly improved. It has an increasing effect. In particular, the present invention is effective when the plate-like member of the screen is arranged at an angle with respect to the flow, since it becomes easier to scrape up foreign matter with a rake. Although this contaminant treatment device has been specifically described as being immersed in a waterway, it can also be used in other areas. Furthermore, a screen in which a plurality of plate-like members are arranged so that unevenness is formed on the upstream surface of the screen may be fixed in a waterway, or it may be configured as a rotating body screen and used as a device for scraping foreign matter. , extends from inside the screen,
a conveying device for conveying the residue to a dumping position outside the fluid;
It may also be configured by integrating a drive device that drives these.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、本願発明の実施例にかかるスクリーン式夾雑
物処理装置全体の部分断面側面図である。 第2図(a)、(b)は、スクリーンを構成する板状部
材の配置の一部を示す断面図である。 第3図は、第2図(a)のスクリーンの上流面を覆った
夾雑物を示す断面図である。 第4図は、従来型のスクリーンの上流面を覆りた夾雑物
を示す第3図対応の断面図である。 10・・・回転式レーキ装置 12・・・スクリーン、 12a・・板状部材、 14・・・スクレーパ装置、 16a・・駆動用スプロケット、 16b・・従動スプロケット、 18・・・ホッパー 18a・・シュート、 20・・・駆動装置
FIG. 1 is a partial cross-sectional side view of the entire screen-type contaminant treatment apparatus according to an embodiment of the present invention. FIGS. 2(a) and 2(b) are cross-sectional views showing a part of the arrangement of plate-like members forming the screen. FIG. 3 is a sectional view showing contaminants covering the upstream surface of the screen in FIG. 2(a). FIG. 4 is a cross-sectional view corresponding to FIG. 3 showing contaminants covering the upstream surface of a conventional screen. DESCRIPTION OF SYMBOLS 10... Rotary rake device 12... Screen, 12a... Plate member, 14... Scraper device, 16a... Driving sprocket, 16b... Driven sprocket, 18... Hopper 18a... Chute , 20... drive device

Claims (1)

【特許請求の範囲】[Claims] 夾雑物を流体から除去するために、流体流入側から流体
流出側に向けてスリットを形成するように相互に間隔を
おいて配置された多数の板状部材から構成され、流体が
前記スリットを通過して流出すると共に流体中の夾雑物
が板状部材の上流側に残るようにしたスクリーンと、該
スクリーンの板状部材の上流側に残る夾雑物を掻き上げ
るレーキとからなるスクリーン式夾雑物処理装置におい
て、前記スクリーンの上流面に凹凸が形成されるように
、前記複数の板状部材を配列することを特徴とするスク
リーン式夾雑物処理装置。
In order to remove impurities from the fluid, it is composed of a number of plate-like members arranged at intervals from each other to form slits from the fluid inflow side to the fluid outflow side, and the fluid passes through the slits. A screen-type contaminant treatment system consisting of a screen that allows contaminants in the fluid to remain on the upstream side of the plate-like member as they flow out, and a rake that scrapes up the contaminants that remain on the upstream side of the plate-like member of the screen. A screen-type foreign matter processing device, characterized in that the plurality of plate-like members are arranged so that unevenness is formed on the upstream surface of the screen.
JP19333388A 1988-08-02 1988-08-02 Screen type impurity disposal device Pending JPH0243406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19333388A JPH0243406A (en) 1988-08-02 1988-08-02 Screen type impurity disposal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19333388A JPH0243406A (en) 1988-08-02 1988-08-02 Screen type impurity disposal device

Publications (1)

Publication Number Publication Date
JPH0243406A true JPH0243406A (en) 1990-02-14

Family

ID=16306147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19333388A Pending JPH0243406A (en) 1988-08-02 1988-08-02 Screen type impurity disposal device

Country Status (1)

Country Link
JP (1) JPH0243406A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AP1493A (en) * 2001-08-13 2005-11-11 Weir Envirotech Pty Limited A method of cooling a bearing by grease lubrication.
JP2010236185A (en) * 2009-03-30 2010-10-21 Hitachi Plant Technologies Ltd Bar-screen type dust removing machine
JP2010265861A (en) * 2009-05-18 2010-11-25 Honda Motor Co Ltd Fluidic channel structure of internal combustion engine
JP2014156720A (en) * 2013-02-15 2014-08-28 Ebata Kk Dust removal filter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AP1493A (en) * 2001-08-13 2005-11-11 Weir Envirotech Pty Limited A method of cooling a bearing by grease lubrication.
JP2010236185A (en) * 2009-03-30 2010-10-21 Hitachi Plant Technologies Ltd Bar-screen type dust removing machine
JP2010265861A (en) * 2009-05-18 2010-11-25 Honda Motor Co Ltd Fluidic channel structure of internal combustion engine
JP2014156720A (en) * 2013-02-15 2014-08-28 Ebata Kk Dust removal filter

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