JP2001162114A - Automatic strainer - Google Patents
Automatic strainerInfo
- Publication number
- JP2001162114A JP2001162114A JP34990999A JP34990999A JP2001162114A JP 2001162114 A JP2001162114 A JP 2001162114A JP 34990999 A JP34990999 A JP 34990999A JP 34990999 A JP34990999 A JP 34990999A JP 2001162114 A JP2001162114 A JP 2001162114A
- Authority
- JP
- Japan
- Prior art keywords
- dust
- housing
- raw water
- drain nozzle
- filtration
- 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
Landscapes
- Filtration Of Liquid (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、取水管路に設けら
れて塵芥などの夾雑物を除去する自動ストレ−ナに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic strainer provided in an intake pipe for removing foreign substances such as dust.
【０００２】[0002]
【従来の技術】従来、上下水道、海水、各種工業用水又
は一般化学工業のプロセス水などの水中には、木片、プ
ラスチック片及び貝類などの海洋生物など雑多な塵芥が
含有されているため、それらの水を熱交換器や復水器な
どの装置や機器に供給するためには、前記の塵芥を除去
する必要があり、従って、取水管路に塵芥を除去する濾
過スクリ−ン部材を具備したストレ−ナが設けられてい
る。2. Description of the Related Art Conventionally, water, such as water and sewage, seawater, various industrial waters, or process water of general chemical industry, contains various trash such as wood chips, plastic chips, and marine organisms such as shellfish. In order to supply the water to devices and equipment such as a heat exchanger and a condenser, it is necessary to remove the dust, and therefore, the intake pipe is provided with a filter screen member for removing the dust. A strainer is provided.
【０００３】前記ストレ−ナは、取水管路の上流側に接
続する原水の流入口及び下流側に接続する処理水の流出
口を具備したハウジングと、ハウジング内の原水の流入
口側を濾過室、処理水の流出口側を処理水室として区画
形成する円筒状や円弧状の濾過スクリ−ン部材が設けら
れ、濾過室側から処理水室側に原水を流通させて塵芥を
濾過除去する構造となっている。また、一般的には、濾
過スクリ−ン部材で捕捉した塵芥を、濾過スクリ−ンか
ら自動的に除去する構造を備えた自動ストレ−ナが多く
使用されており、塵芥を除去する構造としては、ハウジ
ングの頂部に設けた回転駆動手段と、回転駆動手段の駆
動軸に軸着して水平方向に突設され、先端部が濾過スク
リ−ン部材の濾過室側の面を摺動回転するブラシなどの
掻取部材を装着した除塵ア−ムが設けられ、ブラシなど
で濾過スクリ−ン部材で捕捉した塵芥を掻取って濾過室
内の底部に落下堆積させ、堆積した塵芥をドレンノズル
から排出している。The strainer includes a housing having an inlet for raw water connected to an upstream side of an intake pipe and an outlet for treated water connected to a downstream side, and a filtration chamber for connecting the inlet of raw water in the housing to the filtration chamber. A cylindrical or arcuate filtration screen member for partitioning the outlet side of the treated water into a treated water chamber is provided. The raw water flows from the filtered chamber side to the treated water chamber side to filter and remove dust. It has become. Further, generally, an automatic strainer having a structure for automatically removing dust caught by the filtration screen member from the filtration screen is often used. A rotary driving means provided on the top of the housing, and a brush which is axially mounted on a drive shaft of the rotary driving means and protrudes in the horizontal direction, and whose tip end slides and rotates on the surface of the filtration screen member on the filtration chamber side. A dust-removing arm equipped with a scraping member such as is provided.The dust caught by the filtering screen member is scraped off with a brush or the like, dropped and deposited on the bottom of the filtering chamber, and the deposited dust is discharged from the drain nozzle. I have.
【０００４】また、処理水を逆流させて、濾過スクリ−
ンで捕捉した塵芥を濾過スクリ−ンから自動的に除去す
る機構を備えた自動ストレ−ナも多く用いられており、
特開平９−５７０１６号公報に記載された自動逆洗式ス
トレ−ナは、取水管路の上流側に接続する原水の流入口
及び下流側に接続する処理水の流出口を対向する側面に
具備したハウジングと、ハウジング内の原水の流入口側
を濾過室、処理水の流出口側を処理水室として区画形成
する中央部に開口を設けた傾斜仕切り壁と、仕切り壁の
開口部に筒状の台座を介して垂直に配設された筒状の濾
過スクリ−ン部材と、ハウジングの頂部に設けた回転駆
動手段と、回転駆動手段の駆動軸に軸着して水平方向に
突設され、先端部が濾過スクリ−ン部材の濾過室側の面
を摺動回転する中空の除塵ア−ムと、前記除塵ア−ムに
連通して塵芥を前記ハウジング外に排出する逆洗水排出
管とを備えている。[0004] Further, the treated water is caused to flow backward, and
Automatic strainers equipped with a mechanism for automatically removing dust trapped in the screen from the filtration screen are also used,
The automatic backwashing strainer described in Japanese Patent Application Laid-Open No. 9-57016 is provided with an inlet for raw water connected to the upstream side of an intake pipe and an outlet for treated water connected to the downstream side on opposite side surfaces. Housing, a slanted partition wall with an opening at the center that defines the inlet of raw water in the housing as a filtration chamber, and the outlet of treated water as a treated water chamber, and a cylindrical opening at the partition wall. A cylindrical filtration screen member vertically disposed via a pedestal, a rotation driving means provided on the top of the housing, and a projection protruding in the horizontal direction which is axially mounted on a driving shaft of the rotation driving means. A hollow dust removing arm whose tip slides and rotates on the surface of the filtration screen member on the filtration chamber side, and a backwash water discharge pipe communicating with the dust removing arm and discharging dust out of the housing. It has.
【０００５】前記自動逆洗式ストレ−ナにおいては、筒
状濾過スクリ−ンの内側の濾過室から外側の処理水室に
原水を流通させて塵芥を濾過除去するが、一定の速度で
連続的又は間欠的に回動する中空の除塵ア−ムの吸引口
が位置する部分では、処理水室側から除塵ア−ム中に処
理水が逆流して濾過スクリ−ンを逆洗し、除塵ア−ムに
連通して設けられた逆洗水排出管から、捕捉した塵芥を
ハウジング外に排出する。[0005] In the automatic backwashing type strainer, raw water is circulated from a filtration chamber inside a cylindrical filtration screen to an outside treated water chamber to filter and remove dust, but the dust is continuously removed at a constant speed. Alternatively, in the part where the suction port of the hollow dust removing arm that rotates intermittently is located, the treated water flows back into the dust removing arm from the treated water chamber side to backwash the filtration screen, thereby removing the dust. Discharging the trapped dust out of the housing from a backwash water discharge pipe provided in communication with the system.
【０００６】[0006]
【発明が解決しようとする課題】前記従来の自動ストレ
−ナにおいて、ブラシなどの掻取部材を装着した除塵ア
−ムで濾過スクリ−ン部材で捕捉した塵芥を掻取る構造
の自動ストレ−ナにあっては、濾過室内の底部に堆積し
た塵芥をドレンノズルから排出しているが、ハウジング
の底面積に対してドレンノズルの内径が極めて小さいた
め、ノズル周囲に堆積した塵芥は排出が不十分となり、
濾過室内の底部に圧密堆積する。それらを除去するため
には、装置の運転を停止しハウジングを開放して手作業
で除去しなければならないとうい問題がある。In the above-mentioned conventional automatic strainer, an automatic strainer having a structure for scraping dust caught by a filtering screen member with a dust removing arm equipped with a scraping member such as a brush. In, the dust accumulated at the bottom of the filtration chamber is discharged from the drain nozzle, but since the inside diameter of the drain nozzle is extremely small with respect to the bottom area of the housing, the dust accumulated around the nozzle becomes insufficiently discharged,
Consolidate at the bottom of the filtration chamber. In order to remove them, there is a problem that it is necessary to stop the operation of the apparatus, open the housing, and manually remove the housing.
【０００７】また、中空の除塵ア−ムにより、処理水室
側から除塵ア−ム中に処理水を逆流させ、濾過スクリ−
ンを逆洗して塵芥を除去する構造の自動ストレ−ナにあ
っては、除去された塵芥は除塵ア−ムに連通して設けら
れた逆洗水排出管から、ハウジング外に排出されるが、
比較的比重の大きい貝類などの塵芥は、濾過スクリ−ン
で捕捉されると同時に濾過室内の底部に落下堆積し、前
記のブラシなどの掻取部材を装着した自動ストレ−ナと
同様な問題を惹起する。[0007] In addition, by using a hollow dust removing arm, the treated water is caused to flow back into the dust removing arm from the treated water chamber side, and a filtering screen is provided.
In an automatic strainer having a structure for removing dust by backwashing the dust, the removed dust is discharged out of the housing from a backwash water discharge pipe provided in communication with the dust removing arm. But,
Dust such as shellfish having a relatively large specific gravity is caught by the filtration screen and simultaneously drops and deposits on the bottom of the filtration chamber, causing the same problem as the automatic strainer equipped with a scraping member such as the brush. Provoke.
【０００８】従って、本発明は、ストレ−ナの濾過室内
の底部に落下堆積する塵芥を、装置を停止することなく
且つ手数を掛けることがなく容易に自動排出できる自動
ストレ−ナを提供する目的で成されたものである。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an automatic strainer which can easily and automatically discharge dust which drops and accumulates on the bottom of the strainer in the filtration chamber without stopping the apparatus and without trouble. It was made in.
【０００９】[0009]
【課題を解決するための手段】前記目的を達成するため
の本発明の要旨は、請求項１に記載の発明においては原
水の取水管路に設けられて塵芥を除去するストレ−ナに
おいて、取水管路の上流側に接続する原水の流入口及び
下流側に接続する処理水の流出口を具備したハウジング
と、ハウジング内の原水の流入口側を濾過室、処理水の
流出口側を処理水室として区画形成する濾過スクリ−ン
部材と、濾過室の底部に設けたドレンノズルと、濾過室
内の底部に堆積した塵芥をドレンノズル側に掻き寄せる
塵芥掻き寄せ手段を配設したことを特徴とする自動スト
レ−ナである。前記の構成により、ハウジングの濾過室
内の底部に沈降堆積した塵芥は、塵芥掻き寄せ手段でド
レンノズル方向に掻き寄せられ、ドレンノズルからハウ
ジング外に自動的に排出されるため、濾過室内の底部に
圧密堆積することがなく、従って、装置の運転を停止し
ハウジングを開放して手作業で除去する必要がない。According to the first aspect of the present invention, there is provided a strainer provided in a raw water intake pipe for removing dust. A housing having an inlet for raw water connected to the upstream side of the water pipe and an outlet for treated water connected to the downstream side, a filtration chamber on the inlet side of the raw water in the housing, and a treated water outlet on the outlet side of the treated water; A filter screen member formed as a chamber, a drain nozzle provided at the bottom of the filtration chamber, and dust collecting means for scraping dust accumulated at the bottom of the filtration chamber toward the drain nozzle. It is a strainer. With the above-described configuration, dust that has settled and deposited on the bottom of the filtration chamber of the housing is raked in the direction of the drain nozzle by the dust scraper, and is automatically discharged from the drain nozzle to the outside of the housing. Therefore, there is no need to stop operation of the device, open the housing and remove it manually.
【００１０】また、請求項２に記載の発明においては、
原水の取水管路に設けられて塵芥を除去するストレ−ナ
において、取水管路の上流側に接続する原水の流入口及
び下流側に接続する処理水の流出口を具備したハウジン
グと、ハウジング内の原水の流入口側を濾過室、処理水
の流出口側を処理水室として区画形成する筒状の濾過ス
クリ−ン部材と、濾過室の底部中央に設けたドレンノズ
ルと、ハウジングの頂部に設けた回転駆動手段と、一端
が回転駆動手段の駆動軸に軸着して水平方向に突設さ
れ、先端部が濾過スクリ−ン部材の濾過室側の面を摺動
回転する除塵ア−ムと、除塵ア−ムの軸心部下端から延
設された回転軸と、回転軸の先端部から水平方向に放射
状に突設されてハウジングの内側壁近傍まで延設された
複数のレ−キア−ム及びレ−キア−ムの水平方向に一定
間隔で下方向に突設され、先端部がハウジングの底部を
摺動回転して塵芥をドレンノズル方向に掻き寄せる複数
のレ−キとからなる塵芥掻き寄せ手段を配設したことを
特徴とする自動ストレ−ナである。前記の構成により、
濾過スクリ−ン部材で捕捉した塵芥を除塵ア−ムで掻取
り、濾過室内の底部に堆積した塵芥をドレンノズルから
排出しているため、濾過スクリ−ン部材の閉塞を長期間
防止することができ、従って、運転を長期間継続するこ
とができる。また、除塵ア−ムで掻取り、ハウジングの
底に堆積した塵芥は、塵芥掻き寄せ手段でドレンノズル
方向に掻き寄せられ、ドレンノズルからハウジング外に
自動的に排出されるため、濾過室内の底部に圧密堆積す
ることがなく、従って、装置の運転を停止しハウジング
を開放して手作業で除去する必要がない。[0010] In the second aspect of the present invention,
In a strainer provided in a raw water intake pipe for removing dust, a housing having an inlet for raw water connected to an upstream side of the intake pipe and an outlet for treated water connected to a downstream side of the strainer; A cylindrical filtration screen member which defines the inlet of raw water as a filtration chamber and the outlet of treated water as a treated water chamber, a drain nozzle provided at the center of the bottom of the filtration chamber, and provided at the top of the housing And a dust removing arm having one end axially mounted on the drive shaft of the rotary drive means and protruding in the horizontal direction, and having a tip end slidably rotating on the surface of the filtration screen member on the filtration chamber side. A rotating shaft extending from the lower end of the shaft of the dust removing arm, and a plurality of rakes extending radially from the tip of the rotating shaft in the horizontal direction and extending to near the inner wall of the housing. Protruding downward at regular intervals in the horizontal direction of the arm and rake Is, tip multiple records that scrape dust slides rotating the bottom of the housing in Doren'nozuru direction - a na - Automatic stress, characterized in that arranged the dust scraper means consist of a key. With the above configuration,
The dust caught by the filter screen member is scraped off with a dust removing arm, and the dust accumulated at the bottom of the filter chamber is discharged from the drain nozzle, so that the filter screen member can be prevented from being blocked for a long time. Therefore, the operation can be continued for a long time. In addition, dust that has been scraped off by the dust removal arm and deposited on the bottom of the housing is scraped by the dust scraper in the direction of the drain nozzle and is automatically discharged out of the housing from the drain nozzle. There is no accumulation, so there is no need to shut down the device and open the housing to remove it manually.
【００１１】また、請求項３に記載の発明においては、
原水の取水管路に設けられて塵芥を除去するストレ−ナ
において、取水管路の上流側に接続する原水の流入口及
び下流側に接続する処理水の流出口を対向する側面に具
備したハウジングと、ハウジング内の原水の流入口側を
濾過室、処理水の流出口側を処理水室として区画形成す
る中央部に開口を設けた傾斜仕切り壁と、濾過室の底部
中央に設けたドレンノズルと、仕切り壁の開口部に筒状
の台座を介して垂直に配設された筒状の濾過スクリ−ン
部材と、ハウジングの頂部に設けた回転駆動手段と、回
転駆動手段の駆動軸に軸着して水平方向に突設され、先
端部が濾過スクリ−ン部材の濾過室側の面を摺動回転す
る中空の除塵ア−ムと、除塵ア−ムに連通して塵芥をハ
ウジング外に排出する逆洗水排出管と、除塵ア−ムの軸
心部下端から延設された回転軸と、回転軸の先端部から
水平方向に放射状に突設されてハウジングの内側壁近傍
まで延設された複数のレ−キア−ム及びレ−キア−ムの
水平方向に一定間隔で下方向に突設され、先端部がハウ
ジングの底部を摺動回転して塵芥をドレンノズル方向に
掻き寄せる複数のレ−キとからなる塵芥掻き寄せ手段を
配設したことを特徴とする自動ストレ−ナである。前記
の構成により、濾過スクリ−ン部材で捕捉した塵芥を中
空の除塵ア−ムで掻取り、除塵ア−ムで除去された塵芥
は、中空の除塵ア−ムに連通して設けられた逆洗水排出
管から、ハウジング外に排出されるため、掻取った塵芥
がハウジングの底に堆積することがなく、濾過スクリ−
ン部材の閉塞を長期間防止することができ、従って、運
転を長期間継続することができる。また、ハウジングの
底に堆積した比較的比重の大きい貝類などの塵芥は、塵
芥掻き寄せ手段でドレンノズル方向に掻き寄せられ、ド
レンノズルからハウジング外に自動的に排出されるた
め、濾過室内の底部に圧密堆積することがなく、従っ
て、装置の運転を停止しハウジングを開放して手作業で
除去する必要がない。Further, in the invention according to claim 3,
In a strainer provided in a raw water intake pipe for removing dust, a housing having an inlet for raw water connected to an upstream side of the intake pipe and an outlet for treated water connected to a downstream side on opposite side surfaces. A filtration chamber on the inlet side of the raw water in the housing, an inclined partition wall provided with an opening in the center section defining the outlet side of the treated water as a treated water chamber, and a drain nozzle provided at the center of the bottom of the filtration chamber. A cylindrical filter screen member vertically disposed at the opening of the partition wall via a cylindrical pedestal, a rotary driving means provided at the top of the housing, and a shaft mounted on a drive shaft of the rotary driving means. And a hollow dust-removing arm that is protruded in the horizontal direction and whose tip slides and rotates on the surface of the filtration screen member on the filtration chamber side, and discharges dust to the outside of the housing by communicating with the dust-removing arm. Backwash water discharge pipe and the lower end of the shaft of the dust removal arm A plurality of rakes and a plurality of rakes extending radially from the tip of the rotation shaft in the horizontal direction and extending to the vicinity of the inner wall of the housing; and a predetermined interval in the horizontal direction between the rakes. And a dust rake means comprising a plurality of rakes, the tip of which slidably rotates in the direction of the drain nozzle by slidingly rotating the bottom of the housing toward the drain nozzle. -Na. With the above configuration, the dust caught by the filter screen member is scraped by the hollow dust removing arm, and the dust removed by the dust removing arm is connected to the reverse dust removing arm provided in communication with the hollow dust removing arm. Since the water is discharged from the washing discharge pipe to the outside of the housing, the scraped dust does not accumulate on the bottom of the housing, and the filter screen is removed.
The operation member can be prevented from being blocked for a long period of time, so that the operation can be continued for a long period of time. In addition, dust such as shellfish having a relatively large specific gravity deposited on the bottom of the housing is scraped by the dust scraper in the direction of the drain nozzle, and is automatically discharged out of the housing from the drain nozzle. There is no build-up, so there is no need to shut down the device and open the housing to remove it manually.
【００１２】また、請求項４に記載の発明は、前記ドレ
ンノズルの配管にタイマで開閉制御される制御弁が設け
られた請求項１〜請求項３のいずれか１項に記載の自動
ストレ−ナであり、更に、請求項５に記載の発明は、前
記レ−キが、レ−キア−ムの回転方向に対して２５〜５
０°の角度で傾斜して設けられ、複数のレ−キ全体でハ
ウジングの底部全面を摺動回転して塵芥をドレンノズル
方向に掻き寄せる構造で設けられた請求項２〜請求項４
のいずれか１項に記載の自動ストレ−ナである。前記の
制御弁が設けられた構成により、ハウジングの底に堆積
した塵芥を、塵芥掻き寄せ手段でドレンノズル方向に掻
き寄せ、ドレンノズルからハウジング外に自動的に排出
するにあたり、塵芥の排出を塵芥掻き寄せ手段の作動と
同調させることができるため、効率的な塵芥排出ができ
る。また、レ−キをレ−キア−ムの回転方向に対して２
５〜５０°の角度で傾斜て設けた構成により、ハウジン
グの底に堆積した塵芥を、効果的にドレンノズル方向に
掻き寄せることができる。なお、角度が２５°未満又は
５０°よりも大きいと掻き寄せ効果が不十分となる。According to a fourth aspect of the present invention, there is provided the automatic strainer according to any one of the first to third aspects, wherein a control valve controlled to open and close by a timer is provided in the pipe of the drain nozzle. Further, the invention according to claim 5 is characterized in that the rake is 25 to 5 with respect to the rotation direction of the rake arm.
5. A structure in which the plurality of rakes are slid and rotated on the entire bottom surface of the housing to scrape dust toward the drain nozzle.
An automatic strainer according to any one of the above items. With the configuration in which the control valve is provided, dust accumulated on the bottom of the housing is scraped in the direction of the drain nozzle by the dust scraping means and automatically discharged from the drain nozzle to the outside of the housing. Since it is possible to synchronize with the operation of the means, it is possible to discharge dust efficiently. In addition, the rake is set at 2 with respect to the rotation direction of the rake.
With the configuration inclined at an angle of 5 to 50 °, dust accumulated on the bottom of the housing can be effectively scraped in the direction of the drain nozzle. If the angle is less than 25 ° or greater than 50 °, the scraping effect becomes insufficient.
【００１３】[0013]
【発明の実施の形態】本発明の実施の形態を図面に基づ
いて説明する。図１は本発明の一実施の形態の自動スト
レ−ナの断面図、図２は図１のＡ−Ａ矢視断面図であ
る。Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a sectional view of an automatic strainer according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along the line AA of FIG.
【００１４】１は取水管路の上流側に接続する原水の流
入口２及び下流側に接続する処理水の流出口３を対向す
る側面に具備した円筒状のハウジングであり、ハウジン
グ１内の原水の流入口側を濾過室４、処理水の流出口側
を処理水室５として区画形成する中央部に開口６ａを設
けた傾斜仕切り壁６と、濾過室の底部中央にドレンノズ
ル７及び頂部に回転駆動手段８が設けられている。ま
た、ドレンノズル７の配管７ａにタイマで開閉制御され
る制御弁１３が設けられている。Reference numeral 1 denotes a cylindrical housing provided with an inlet 2 for raw water connected to the upstream side of the intake pipe and an outlet 3 for treated water connected to the downstream side on the opposite side. An inclined partition wall 6 having an opening 6a at the center, which defines an inlet side as a filtration chamber 4 and an outlet side of treated water as a treated water chamber 5, and a drain nozzle 7 at the bottom center of the filtration chamber and a rotating top. Driving means 8 is provided. Further, a control valve 13 that is controlled to open and close by a timer is provided in the pipe 7a of the drain nozzle 7.
【００１５】９は仕切り壁６の開口部に筒状の台座９ａ
を介して垂直に配設された筒状の濾過スクリ−ン部材で
あり、１０は回転駆動手段８の駆動軸８ａに軸着して水
平方向に突設され、先端部が濾過スクリ−ン部材９の濾
過室４側の面を摺動回転する中空の除塵ア−ムであり、
除塵ア−ム１０に連通して塵芥をハウジング外に排出す
る逆洗水排出管１０ａが接続されている。Reference numeral 9 denotes a cylindrical pedestal 9a at the opening of the partition wall 6.
Numeral 10 denotes a cylindrical filter screen member vertically disposed through a shaft. Reference numeral 10 denotes a filter screen member which is axially mounted on a drive shaft 8a of the rotary drive means 8 and protrudes in the horizontal direction. 9 is a hollow dust removing arm that slides and rotates on the surface on the filtration chamber 4 side;
A backwash water discharge pipe 10a for discharging dust to the outside of the housing in communication with the dust removing arm 10 is connected.
【００１６】前記濾過スクリ−ン部材４は、金網、パン
チングプレ−ト又は格子などで形成された部材が主に用
いられ、また、その形状は筒状又は円弧状が好ましく、
更に上下方向に延びる溝状のポケットが所定のピッチで
複数形成された波形断面をしているのが好ましいが、そ
れらには限定されない。また、それらの目開きは、使用
条件により適宜なサイズが選定される。As the filtering screen member 4, a member formed mainly of a wire mesh, a punching plate or a grid is mainly used, and its shape is preferably cylindrical or arcuate.
Further, it is preferable that a plurality of groove-shaped pockets extending in the vertical direction have a corrugated cross-section formed at a predetermined pitch, but the present invention is not limited thereto. In addition, an appropriate size of the openings is selected according to the use conditions.
【００１７】１１は除塵ア−ム１０の軸心部下端から延
設された回転軸１１ａと、回転軸１１ａの先端部から水
平方向に放射状に突設されてハウジング１の内側壁近傍
まで延設された複数のレ−キア−ム１２及びレ−キア−
ム１２の水平方向に一定間隔で下方向に突設され、先端
部がハウジング１の底部を摺動回転して塵芥をドレンノ
ズル７方向に掻き寄せる複数の板状のレ−キ１２ａとか
らなる塵芥掻き寄せ手段である。また、前記レ−キ１２
ａは、レ−キア−ム１２の回転方向に対して２５〜５０
°の角度で傾斜して設けられ、複数のレ−キ１２ａ全体
でハウジングの底部全面を摺動回転して塵芥をドレンノ
ズル方向に掻き寄せる構造となっている。なお、角度が
２５°未満又は５０°よりも大きいと掻き寄せ効果が不
十分となる恐れがある。また、前記レ−キ１２ａの先端
部は、金属、合成樹脂又は合成ゴムなどの材料が、ハウ
ジング１の材質により適宜に決定されて用いられる。Reference numeral 11 denotes a rotating shaft 11a extending from the lower end of the shaft center of the dust removing arm 10, and a radially protruding projecting portion extending from the tip of the rotating shaft 11a to the vicinity of the inner wall of the housing 1. A plurality of rakes 12 and rakes
A plurality of plate-like rakes 12a projecting downward at predetermined intervals in the horizontal direction of the drum 12 and having a leading end slidably rotating on the bottom of the housing 1 to scrape dust toward the drain nozzle 7. It is a scraping means. The rake 12
a is 25 to 50 with respect to the rotation direction of the rake 12.
The rakes 12a are arranged to be inclined at an angle of .degree., And the entirety of the plurality of rakes 12a is slidably rotated on the entire bottom surface of the housing to scrape dust toward the drain nozzle. If the angle is less than 25 ° or greater than 50 °, the scraping effect may be insufficient. The tip of the rake 12a is made of a material such as metal, synthetic resin or synthetic rubber, which is appropriately determined according to the material of the housing 1.
【００１８】次に、前記構成の自動ストレ−ナで水流か
ら夾雑物を除去する濾過操作について以下に述べる。図
示しない取水管路から流入口２を経てハウジング１内の
濾過室４に流入した塵芥を含有する原水は、仕切り壁６
の開口部に設けた筒状の台座９ａ内を経由して濾過スク
リ−ン部材９の内側の濾過室４に流入し、濾過室４側か
ら処理水室５側に流通する間に、濾過スクリ−ン部材９
で塵芥が濾過除去され、処理水室５側には清澄な処理水
が得られ、流出口３から所定の装置や機器に供給され
る。Next, a filtering operation for removing contaminants from a water stream by the automatic strainer having the above-described configuration will be described below. Raw water containing dust that has flowed into the filtration chamber 4 in the housing 1 from the intake pipe (not shown) through the inflow port 2 passes through the partition wall 6.
While flowing into the filtration chamber 4 inside the filtration screen member 9 through the inside of the cylindrical pedestal 9a provided at the opening of the filter screen 9 and while flowing from the filtration chamber 4 to the treated water chamber 5, the filtration screen N-member 9
The dust is removed by filtration, and clear treated water is obtained on the treated water chamber 5 side, and is supplied from the outlet 3 to predetermined devices and devices.
【００１９】濾過スクリ−ン部材９で捕捉された塵芥
は、タイマや差圧信号などにより回転制御されて回動す
る中空の除塵ア−ム１０の吸引口が位置する部分で、処
理水室５側から除塵ア−ム１０中に逆流する処理水によ
り、濾過スクリ−ン部材９が逆洗され、塵芥は逆洗水と
共に除塵ア−ム１０に連通して設けられた逆洗水排出管
１０ａからハウジング１外に排出される。The dust trapped by the filter screen member 9 is a portion where the suction port of the hollow dust-removal arm 10 which is rotated and controlled by a timer or a differential pressure signal is located, and is disposed in the treated water chamber 5. The filtered screen member 9 is backwashed by treated water flowing back into the dust-removing arm 10 from the side, and the dust is backwashed water discharge pipe 10a provided in communication with the dust-removal arm 10 together with the backwash water. From the housing 1.
【００２０】また、比較的比重の大きい貝類などの塵芥
は、濾過スクリ−ンで捕捉されると同時に濾過室４内の
底部に落下堆積するが、除塵ア−ム１０と連動して一定
の速度で連続的又は間欠的に回動する塵芥掻き寄せ手段
１１のレ−キア−ム１２に突設された複数の板状のレ−
キ１２ａにより、ドレンノズル７方向に掻き寄せられ、
ドレンノズル７の配管７ａから系外に排出される。ドレ
ンノズル７からハウジング１外に自動的に排出するにあ
たり、タイマで開閉制御される制御弁１３で塵芥掻き寄
せ手段１１の作動と同調させることができるため、効率
的な塵芥排出ができる。また、レ−キ１２ａが、レ−キ
ア−ム１２の回転方向に対して２５〜５０°の角度で傾
斜して設けられ、複数のレ−キ１２ａ全体でハウジング
の底部全面を摺動回転して塵芥をドレンノズル方向に掻
き寄せる構造となっているため、塵芥を残留させる恐れ
が無く、効率的に排出することができる。Further, dust such as shellfish having a relatively large specific gravity is captured by the filtration screen and drops and accumulates on the bottom of the filtration chamber 4 at the same time. And a plurality of plate-like lathes projecting from the rame 12 of the dust collecting means 11 rotating continuously or intermittently.
By the key 12a, it is raked in the direction of the drain nozzle 7,
It is discharged out of the system from a pipe 7a of the drain nozzle 7. In automatically discharging the dust from the drain nozzle 7 to the outside of the housing 1, the control valve 13, which is opened and closed by a timer, can be synchronized with the operation of the dust scraper 11, so that the dust can be efficiently discharged. The rake 12a is provided at an angle of 25 to 50 with respect to the rotation direction of the rake 12, and the plurality of rakes 12a slide and rotate on the entire bottom surface of the housing. As a result, dust is swept in the direction of the drain nozzle, so that there is no danger of leaving dust and the dust can be efficiently discharged.
【００２１】[0021]
【発明の効果】本発明は下記の効果を奏する。ハウジン
グの濾過室内の底部に沈降堆積した塵芥は、塵芥掻き寄
せ手段でドレンノズル方向に掻き寄せられ、ドレンノズ
ルからハウジング外に自動的に排出されるため、濾過室
内の底部に圧密堆積することがなく、従って、装置の運
転を停止しハウジングを開放して手作業で除去する必要
がない。The present invention has the following effects. The dust that has settled and deposited on the bottom of the filter chamber of the housing is raked in the direction of the drain nozzle by the dust scraping means, and is automatically discharged from the drain nozzle to the outside of the housing. Therefore, there is no need to stop the operation of the apparatus, open the housing, and manually remove the housing.
【００２２】また、請求項２に記載の発明においては、
濾過スクリ−ン部材で捕捉した塵芥を除塵ア−ムで掻取
り、濾過室内の底部に堆積した塵芥をドレンノズルから
排出しているため、濾過スクリ−ン部材の閉塞を長期間
防止することができ、従って、運転を長期間継続するこ
とができる効果を合わせてもっている。また、請求項３
に記載の発明においては、濾過スクリ−ン部材で捕捉し
た塵芥を中空の除塵ア−ムで掻取り、除塵ア−ムで除去
された塵芥は、中空の除塵ア−ムに連通して設けられた
逆洗水排出管から、ハウジング外に排出されるため、掻
取った塵芥がハウジングの底に堆積することがなく、濾
過スクリ−ン部材の閉塞を長期間防止することができる
効果を合わせてもっている。Further, in the invention according to claim 2,
The dust caught by the filter screen member is scraped off by a dust removing arm, and the dust accumulated at the bottom of the filter chamber is discharged from the drain nozzle, so that the filter screen member can be prevented from being blocked for a long time. Therefore, it has the effect that the operation can be continued for a long time. Claim 3
In the invention described in (1), the dust caught by the filtration screen member is scraped by a hollow dust removing arm, and the dust removed by the dust removing arm is provided in communication with the hollow dust removing arm. Since the water is discharged from the backwash water discharge pipe to the outside of the housing, the scraped dust does not accumulate on the bottom of the housing, so that the filter screen member can be prevented from being blocked for a long time. I have
【００２３】更に、請求項４に記載の発明は、塵芥の排
出を塵芥掻き寄せ手段の作動と同調させることができる
ため、効率的な塵芥排出ができ、また、請求項５に記載
の発明は、ハウジングの底に堆積した塵芥を、残存させ
ることなく効果的にドレンノズル方向に掻き寄せること
ができる効果を夫々合わせてもっている。Further, according to the invention of claim 4, since the discharge of dust can be synchronized with the operation of the dust scraping means, efficient discharge of dust can be achieved. Also, the dust accumulated on the bottom of the housing can be effectively swept toward the drain nozzle without remaining.
【図１】本発明の一実施の形態の自動ストレ−ナの断面
図FIG. 1 is a sectional view of an automatic strainer according to an embodiment of the present invention.
【図２】図１のＡ−Ａ矢視断面図FIG. 2 is a sectional view taken along the line AA of FIG. 1;
１：ハウジング ２：原水の流入口 ３：処理水の流出口 ４：濾過室 ５：処理水室 ６：仕切壁 ６ａ：開口 ７：ドレンノズル ７ａ：配管 ８：回転駆動手段 ８ａ：駆動軸 ９：濾過スクリ−ン部材 ９ａ：台座 １０：除塵ア−ム １０ａ：逆洗水排出管 １１：塵芥掻き寄せ手段 １１ａ：回転軸 １２：レ−キア−ム １２ａ：レ−キ １３：制御弁 1: Housing 2: Inflow of raw water 3: Outflow of treated water 4: Filtration chamber 5: Treated water chamber 6: Partition wall 6a: Opening 7: Drain nozzle 7a: Piping 8: Rotary drive means 8a: Drive shaft 9: Filtration Screen member 9a: Pedestal 10: Dust removal arm 10a: Backwash water discharge pipe 11: Dust scraping means 11a: Rotary shaft 12: Rake arm 12a: Rake 13: Control valve
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ０１Ｄ 29/04 ５１０Ｄ ５２０Ｂ ５３０Ａ 29/38 ５１０Ａ 29/42 ５２０ 35/02 Ａ ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI theme coat ゛ (Reference) B01D 29/04 510D 520B 530A 29/38 510A 29/42 520 35/02 A
Claims (5)
るストレ−ナにおいて、取水管路の上流側に接続する原
水の流入口及び下流側に接続する処理水の流出口を具備
したハウジングと、ハウジング内の原水の流入口側を濾
過室、処理水の流出口側を処理水室として区画形成する
濾過スクリ−ン部材と、濾過室の底部に設けたドレンノ
ズルと、濾過室内の底部に堆積した塵芥をドレンノズル
側に掻き寄せる塵芥掻き寄せ手段を配設したことを特徴
とする自動ストレ−ナ。A strainer provided in a raw water intake pipe for removing dust has an inlet for raw water connected to the upstream side of the intake pipe and an outlet for treated water connected to the downstream side. A housing, a filtration screen member that defines the inlet of raw water in the housing as a filtration chamber and an outlet of treated water as a treatment water chamber, a drain nozzle provided at the bottom of the filtration chamber, and a bottom in the filtration chamber. An automatic strainer provided with dust scraping means for scraping dust accumulated on the drain nozzle side.
るストレ−ナにおいて、取水管路の上流側に接続する原
水の流入口及び下流側に接続する処理水の流出口を具備
したハウジングと、ハウジング内の原水の流入口側を濾
過室、処理水の流出口側を処理水室として区画形成する
筒状の濾過スクリ−ン部材と、濾過室の底部中央に設け
たドレンノズルと、ハウジングの頂部に設けた回転駆動
手段と、一端が回転駆動手段の駆動軸に軸着して水平方
向に突設され、先端部が濾過スクリ−ン部材の濾過室側
の面を摺動回転する除塵ア−ムと、除塵ア−ムの軸心部
下端から延設された回転軸と、回転軸の先端部から水平
方向に放射状に突設されてハウジングの内側壁近傍まで
延設された複数のレ−キア−ム及びレ−キア−ムの水平
方向に一定間隔で下方向に突設され、先端部がハウジン
グの底部を摺動回転して塵芥をドレンノズル方向に掻き
寄せる複数のレ−キとからなる塵芥掻き寄せ手段を配設
したことを特徴とする自動ストレ−ナ。2. A strainer provided in a raw water intake line for removing dust, comprising a raw water inlet connected to an upstream side of the raw water intake line and a treated water outlet connected to a downstream side of the raw water intake line. A housing, a cylindrical filtration screen member that defines the inlet of raw water in the housing as a filtration chamber, and an outlet of treated water as a treatment water chamber, and a drain nozzle provided at the center of the bottom of the filtration chamber; A rotation driving means provided on the top of the housing, one end of which is mounted on a drive shaft of the rotation driving means and is protruded in a horizontal direction, and a tip end thereof slides and rotates on the surface of the filtration screen member on the filtration chamber side. A dust removing arm, a rotating shaft extending from the lower end of the shaft center of the dust removing arm, and a plurality of radially extending projections extending from the tip of the rotating shaft in the horizontal direction and extending to near the inner wall of the housing. At regular intervals in the horizontal direction. An automatic strainer provided with a plurality of rakes, each of which is provided with a plurality of rakes protruding in the direction of the housing and having a leading end slidably rotating around the bottom of the housing to scrape dust toward the drain nozzle. .
るストレ−ナにおいて、取水管路の上流側に接続する原
水の流入口及び下流側に接続する処理水の流出口を対向
する側面に具備したハウジングと、ハウジング内の原水
の流入口側を濾過室、処理水の流出口側を処理水室とし
て区画形成する中央部に開口を設けた傾斜仕切り壁と、
濾過室の底部中央に設けたドレンノズルと、仕切り壁の
開口部に筒状の台座を介して垂直に配設された筒状の濾
過スクリ−ン部材と、ハウジングの頂部に設けた回転駆
動手段と、回転駆動手段の駆動軸に軸着して水平方向に
突設され、先端部が濾過スクリ−ン部材の濾過室側の面
を摺動回転する中空の除塵ア−ムと、除塵ア−ムに連通
して塵芥をハウジング外に排出する逆洗水排出管と、除
塵ア−ムの軸心部下端から延設された回転軸と、回転軸
の先端部から水平方向に放射状に突設されてハウジング
の内側壁近傍まで延設された複数のレ−キア−ム及びレ
−キア−ムの水平方向に一定間隔で下方向に突設され、
先端部がハウジングの底部を摺動回転して塵芥をドレン
ノズル方向に掻き寄せる複数のレ−キとからなる塵芥掻
き寄せ手段を配設したことを特徴とする自動ストレ−
ナ。3. A strainer provided in a raw water intake pipe for removing dust, wherein an inlet of raw water connected to an upstream side of the intake pipe and an outlet of treated water connected to a downstream side of the strainer are opposed to each other. A housing provided on the side surface, a filtration chamber on the inlet side of raw water in the housing, and an inclined partition wall provided with an opening in a central portion that defines the outlet side of the treated water as a treated water chamber,
A drain nozzle provided at the center of the bottom of the filtration chamber, a cylindrical filtration screen member vertically disposed through a cylindrical pedestal at the opening of the partition wall, and a rotation driving means provided at the top of the housing. A hollow dust-removing arm, which is mounted on a drive shaft of a rotary drive means and protrudes in the horizontal direction, and whose tip end slides and rotates on the surface of the filtration screen member on the filtration chamber side, and a dust-removal arm. Backwash water discharge pipe that discharges dust to the outside of the housing by communicating with the rotating shaft, a rotating shaft extending from the lower end of the shaft center of the dust removing arm, and a radially projecting radially extending from the tip of the rotating shaft. A plurality of rake arms extending to near the inner side wall of the housing and a plurality of rake arms projecting downward at a predetermined interval in a horizontal direction,
A dust collecting means comprising a plurality of rakes, the tip of which slides and rotates on the bottom of the housing to scrape dust toward the drain nozzle;
Na.
御される制御弁が設けられた請求項１〜請求項３のいず
れか１項に記載の自動ストレ−ナ。4. The automatic strainer according to claim 1, wherein a control valve controlled to be opened and closed by a timer is provided in a pipe of the drain nozzle.
対して２５〜５０°の角度で傾斜して設けられ、複数の
レ−キ全体でハウジングの底部全面を摺動回転して塵芥
をドレンノズル方向に掻き寄せる構造で設けられた請求
項２〜請求項４のいずれか１項に記載の自動ストレ−
ナ。5. The rake is provided to be inclined at an angle of 25 to 50 ° with respect to the rotation direction of the rake, and the plurality of rakes are slidably rotated on the entire bottom surface of the housing. The automatic storage device according to any one of claims 2 to 4, wherein the automatic storage device is provided with a structure in which dust is swept toward the drain nozzle.
Na.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34990999A JP2001162114A (en) | 1999-12-09 | 1999-12-09 | Automatic strainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34990999A JP2001162114A (en) | 1999-12-09 | 1999-12-09 | Automatic strainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001162114A true JP2001162114A (en) | 2001-06-19 |
Family
ID=18406933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34990999A Pending JP2001162114A (en) | 1999-12-09 | 1999-12-09 | Automatic strainer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001162114A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316521A (en) * | 2013-06-25 | 2013-09-25 | 赣州金环磁选设备有限公司 | Backflushing water quality filter |
| JP2013193002A (en) * | 2012-03-16 | 2013-09-30 | Chugoku Electric Power Co Inc:The | Automatic backwashing type strainer |
| CN108379923A (en) * | 2018-01-31 | 2018-08-10 | 河南桑达能源环保有限公司 | A kind of self-cleaning apparatus for treating sewage |
| CN112387053A (en) * | 2020-11-27 | 2021-02-23 | 天津绿之本生物科技有限公司 | Spraying dust removal tower capable of efficiently removing dust |
| CN112807806A (en) * | 2021-02-02 | 2021-05-18 | 车琳洁 | Sewage treatment device and method |
| CN114653123A (en) * | 2020-12-23 | 2022-06-24 | 新沂市瑞阳混凝土工程有限公司 | New material preparation is with raw materials compounding filter equipment |
| CN116020195A (en) * | 2023-02-15 | 2023-04-28 | 中大明珠建工有限公司 | Filter equipment for irrigation |
| CN116078046A (en) * | 2022-12-28 | 2023-05-09 | 山东泰开环保科技有限公司 | Desulfurization wastewater treatment system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013193002A (en) * | 2012-03-16 | 2013-09-30 | Chugoku Electric Power Co Inc:The | Automatic backwashing type strainer |
| CN103316521A (en) * | 2013-06-25 | 2013-09-25 | 赣州金环磁选设备有限公司 | Backflushing water quality filter |
| CN108379923A (en) * | 2018-01-31 | 2018-08-10 | 河南桑达能源环保有限公司 | A kind of self-cleaning apparatus for treating sewage |
| CN108379923B (en) * | 2018-01-31 | 2021-03-09 | 河南桑达能源环保有限公司 | Self-cleaning sewage treatment device |
| CN112387053A (en) * | 2020-11-27 | 2021-02-23 | 天津绿之本生物科技有限公司 | Spraying dust removal tower capable of efficiently removing dust |
| CN112387053B (en) * | 2020-11-27 | 2024-01-02 | 天津绿之本生物科技有限公司 | Spray dedusting tower capable of efficiently dedusting |
| CN114653123A (en) * | 2020-12-23 | 2022-06-24 | 新沂市瑞阳混凝土工程有限公司 | New material preparation is with raw materials compounding filter equipment |
| CN112807806A (en) * | 2021-02-02 | 2021-05-18 | 车琳洁 | Sewage treatment device and method |
| CN116078046A (en) * | 2022-12-28 | 2023-05-09 | 山东泰开环保科技有限公司 | Desulfurization wastewater treatment system |
| CN116078046B (en) * | 2022-12-28 | 2023-08-04 | 山东泰开环保科技有限公司 | Desulfurization wastewater treatment system |
| CN116020195A (en) * | 2023-02-15 | 2023-04-28 | 中大明珠建工有限公司 | Filter equipment for irrigation |
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