JP2012050945A - Filter structure - Google Patents

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JP2012050945A
JP2012050945A JP2010196727A JP2010196727A JP2012050945A JP 2012050945 A JP2012050945 A JP 2012050945A JP 2010196727 A JP2010196727 A JP 2010196727A JP 2010196727 A JP2010196727 A JP 2010196727A JP 2012050945 A JP2012050945 A JP 2012050945A
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hollow tube
support plate
filter
filter structure
hollow
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JP5483107B2 (en
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Akira Fujita
藤田  明
Koichiro Ihara
光一郎 井原
Naoya Nishio
直也 西尾
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Kuraray Plastics Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a filter structure which prevents filter clogging due to flexible and large area foreign substances, such as fallen leaves and resin packaging bags, for a long period of time, and prevents filter clogging in selective separation of flexible gelatinous globes for a long period of time.SOLUTION: In the filter structure which is an octopus leg-like filter structure, one end of a hollow tube configured by braiding resin monofilaments without connecting the monofilaments at their cross point is attached to a hole of a support plate to fix the hollow tube to the support plate, and the other end of the hollow tube is sealed and is freely movable without being fixed.

Description

本発明は、工場内排水ピットや工事現場など、夾雑物の多い対象液(対象水)を吸排液(給排水)する場合に使用するフィルター構造体に関する。   The present invention relates to a filter structure that is used when a target liquid (target water) with a large amount of contaminants is sucked or discharged (supply / drainage) such as a factory drain pit or a construction site.

周知のように、水中ポンプでは対象水中の夾雑物の吸込みを避けるため、吸込口周辺に多数の吸込小孔を穿設したフィルターを付設することが通常なされている。しかしながら、用途的に水中ポンプは屋外に設置されるケースが多く、飛来する樹脂製包装袋(いわゆるレジ袋)や落ち葉などの柔軟で表面積の大きい夾雑物により、フィルターの吸込孔が一気に閉塞され、ポンプが揚水不能となることがしばしば生じる。
特に、昼夜連続操業する工場の排水ピットに設置された水中ポンプなどでは、これらの夾雑物除去の対応を怠れば排水がストップして連続操業に支障をきたすこととなるため、設備担当者は24時間体制の監視や呼出で対応せざるを得ない。
As is well known, a submersible pump is usually provided with a filter having a large number of small suction holes in the vicinity of the suction port in order to avoid suction of foreign substances in the target water. However, there are many cases where submersible pumps are installed outdoors, and the suction holes of the filter are blocked at once by flexible, large surface area contaminants such as flying plastic packaging bags (so-called plastic bags) and fallen leaves. It often happens that the pump cannot pump.
In particular, in submersible pumps installed in the drainage pits of factories that operate continuously day and night, if these measures are not taken, the drainage will stop and hinder continuous operation. We must respond by monitoring and calling the time system.

また、近年、工場排水(汚水)を微生物によって分解処理し排出することが増えてきており、その場合、有効微生物を着床した直径4mm程度の球体である含水ゲルビーズを大量に排水中に分散して汚物を分解処理した後、処理液をフィルタリングして排水のみを選択的に排出する方法が多く採用されるようになってきたが、この方法の場合には、含水ゲルビーズが柔軟であるが故にフィルターの目詰まりを発生させている。   In recent years, industrial wastewater (sewage) has been increasingly decomposed and discharged by microorganisms. In that case, a large amount of hydrous gel beads, which are spheres with a diameter of about 4 mm, on which effective microorganisms are implanted are dispersed in the wastewater. After the waste is decomposed, the method of filtering the treatment liquid and selectively discharging only the wastewater has come to be adopted, but in this method, the hydrous gel beads are flexible. The filter is clogged.

これらの問題に対して、従来、フィルターとポンプは一体として改良が取り組まれてきた。例えば、ポンプの外周全体をフィルターで囲繞して吸引表面積を広くすることにより、完全閉塞に至るまでの時間を遅延させようとの試みが知られている(特許文献1参照)。この技術の場合、ポンプ全体が水没している時には、閉塞するのをある程度遅延させる効果はあるが、水位が低い時にはフィルターの実際の接水表面積が減少し、ポンプ吸込口周辺のみフィルターを付設した通常のものと大差がなくなってしまう。   Conventionally, the filter and the pump have been improved as a unit with respect to these problems. For example, an attempt is made to delay the time until complete blockage by enclosing the entire outer periphery of the pump with a filter to increase the suction surface area (see Patent Document 1). In this technology, when the entire pump is submerged, there is an effect of delaying the blockage to some extent, but when the water level is low, the actual water contact surface area of the filter is reduced, and a filter is attached only around the pump suction port. There will be no big difference from the normal one.

また、別の発想により、夾雑物の破砕機構をフィルターの内側に装備したものが知られている(例えば、特許文献2参照)。しかし、このような装置は、構造が徒に複雑となって製造コストを押し上げるのみで、枯葉や含水ゲルビーズのように柔軟性を有するものがフィルター表面へ吸着することを防止する効果は殆どなく、しかも電力消費量が多くなってランニングコストも増大し、且つ、メンテナンスの面で問題がある。   Moreover, what equips the inside of a filter with the crushing mechanism of a foreign substance by another idea is known (for example, refer patent document 2). However, such a device has a structure that is complicated and only increases the manufacturing cost, and has little effect of preventing the adsorbing of the flexible material such as dead leaves and hydrous gel beads on the filter surface. In addition, the power consumption increases, the running cost increases, and there is a problem in terms of maintenance.

特開平6−249183号公報 (第1図)JP-A-6-249183 (FIG. 1) 特開平7−332293号公報 (要約)JP 7-332293 A (summary)

本発明は、落ち葉や樹脂製の包装袋などのように柔軟で面積の大きい夾雑物によるフィルターの閉塞を長期に防ぐこと、さらには、柔軟な含水ゲル状球体をフィルターで選択分離する際にフィルターの目詰まりを長期に亘って防ぐことが可能なフィルター構造体を提供することを目的としている。   The present invention prevents the filter from being blocked for a long time by contaminants having a large area such as fallen leaves and resin packaging bags. Furthermore, the filter is used to selectively separate a flexible hydrogel sphere with a filter. An object of the present invention is to provide a filter structure that can prevent clogging of the filter for a long period of time.

すなわち、本発明は、管壁に多数の貫通孔を有するしなやかな複数の中空管が、その片端部を穴あき支持板(以下、固定板と称する場合がある)の該穴に取り付けることにより、該支持板に固定されており、該中空管の他端が封止されておりかつ固定されることなく自由に動ける状態となっているたこ足状フィルター構造体である。
そして、好ましくは、該穴あき支持板が円柱状または角柱状であり、複数の中空管が該穴あき支持板から放射状に取り付けられている場合であり、また該中空管が、樹脂モノフィラメントを編組しかつ該モノフィラメント同士の交点が接合されておらずに構成されたものである場合であり、また該中空管に浮き具が取り付けられている場合である。
That is, according to the present invention, a plurality of supple hollow tubes having a large number of through holes in a tube wall are attached to the holes of a perforated support plate (hereinafter sometimes referred to as a fixed plate) at one end thereof. The octopus-like filter structure is fixed to the support plate, the other end of the hollow tube is sealed, and can move freely without being fixed.
Preferably, the perforated support plate has a columnar or prismatic shape, and a plurality of hollow tubes are attached radially from the perforated support plate, and the hollow tubes are made of resin monofilaments. This is a case in which the crossing points of the monofilaments are not joined to each other, and a floating tool is attached to the hollow tube.

本発明のフィルター構造体は、管壁に多数の貫通孔を有するしなやかな複数の中空管が、その片端部が穴あき支持板の該穴に取り付けられていることにより、該支持板に固定されている構造を有しており、そして対象液中に多数の中空管が突出した形態で用いられ、該中空管の他端(すなわち穴空き支持板に取り付けられていない端部)は固定されておらずに、中空管がしなやかであることから、中空管は対象液中を揺れ動くことができる。そして多数の中空管が取り付けられていることから、フィルター面積が増大しており、さらに対象液中への中空管の突出による3次元的凸凹構造および中空管の対処水中での揺れ動きによって、落ち葉や樹脂包装袋など、柔軟で面積の大きい夾雑物がフィルター表面に吸い付くことを防ぐと共に吸い付いた夾雑物をフィルター表面から容易に脱落させることができ、その結果、夾雑部の付着により引き起こされる吸引不良(閉塞)を長期に亘り防ぐことができる。また、含水ゲルビーズについても、同様の理由により中空管の目詰まりを減らすことができ、吸引不良が生じることを長期に亘って防ぐことができる。   In the filter structure of the present invention, a plurality of supple hollow tubes having a large number of through holes in a tube wall are fixed to the support plate by attaching one end of the hollow tube to the hole of the support plate with holes. And the other end of the hollow tube (that is, the end portion not attached to the perforated support plate) is used in a form in which a large number of hollow tubes protrude in the target liquid. Since the hollow tube is flexible without being fixed, the hollow tube can swing in the target liquid. Since a large number of hollow tubes are attached, the filter area is increased, and the three-dimensional uneven structure due to the protrusion of the hollow tube into the target liquid and the shaking movement of the hollow tube in the water. In addition, it is possible to prevent foreign matter such as fallen leaves and resin packaging bags from adhering to the filter surface and to easily remove the adhering foreign matter from the filter surface. The poor suction (blockage) caused can be prevented for a long time. Moreover, also about a hydrogel bead, the clogging of a hollow tube can be reduced for the same reason, and it can prevent a suction defect arising over a long period of time.

特に本発明において、該穴あき支持板が円柱状または角柱状の筒状の形状を有しており、複数の中空管が、該穴あき支持板から放射状に突出するように該穴あき支持板に取り付けられている場合が好ましく、このような場合には、中空管の先端に行くほど足の間隔が広がり、そして、支持板から距離を置いた水面近くに存在する中空管先端付近でビニール袋等の大型浮遊物がブロックされ、中空管の根元付近がビニール袋で覆われ閉塞するということを防ぐことができる。また、中空管の先端付近でブロックされた大型浮遊物が障壁となり、小さな浮遊ゴミも同時にブロックできることとなる。   In particular, in the present invention, the perforated support plate has a cylindrical or prismatic cylindrical shape, and the perforated support plate is protruded radially from the perforated support plate. It is preferable that it is attached to the plate. In such a case, the distance between the legs increases as it goes to the tip of the hollow tube, and the vicinity of the tip of the hollow tube that exists near the water surface at a distance from the support plate Therefore, it is possible to prevent a large floating substance such as a plastic bag from being blocked, and the vicinity of the base of the hollow tube from being covered with a plastic bag to be blocked. In addition, a large floating substance blocked near the tip of the hollow tube becomes a barrier, and small floating dust can be blocked at the same time.

さらに本発明において、中空管を、樹脂モノフィラメントを編組し、素線(モノフィラメント)間が接合されない状態の管とすることにより、中空管のフレキシブル性をより一層高め、ポンプ振動や流動により中空管がより一層揺れ動くことができるようにすることで中空管表面の自浄作用を高度に発揮させ、上記したような夾雑物や平均球径が約4mmの柔軟な含水ゲル状球体を長期間目詰まりすることなく分離することができる。   Furthermore, in the present invention, the hollow tube is a tube in which resin monofilaments are braided so that the strands (monofilaments) are not joined to each other, so that the flexibility of the hollow tube can be further enhanced, and the hollow tube can be improved by pump vibration or flow. By allowing the hollow tube to swing further, the self-cleaning action on the surface of the hollow tube can be demonstrated to a high degree, and the above-mentioned contaminants and flexible hydrogel gel spheres with an average spherical diameter of about 4 mm can be used for a long time. Separation without clogging.

さらに本発明では、好ましくは該中空管の一部に浮き具が取り付けられている場合であり、これにより、排水液面を浮かびながら存在する夾雑物や排水液底部に沈んだ状態で存在する夾雑物を避けて、比較的夾雑物が少ない排水液中間位から安定して吸液することが可能となり、長期間目詰まりすることなくフィルター能を発揮することができる。   Furthermore, in the present invention, it is preferable that a floating tool is attached to a part of the hollow tube, so that it exists in a state where it floats on the drainage liquid surface and is sunk at the bottom of the drainage liquid. By avoiding contaminants, it becomes possible to absorb liquid stably from the middle of the wastewater with relatively few contaminants, and the filter performance can be exhibited without clogging for a long period of time.

さらに、本発明において、好ましくは、穴あき支持板が槽の底部あるいは側部に、または上方向から下方向に流れる流路に取り付けられており、かつ中空管が穴あき支持板から上流方向に向けて取り付けられている場合であり、中空管が上流側に突出し、しかも自由に動けることから、中空管が閉塞し難く、さらに中空管の一部に浮き具が取り付けられていることにより、中空管が流水の幅広い領域に存在することとなり、より一層閉塞しがたいフィルターとなる。   Further, in the present invention, preferably, the perforated support plate is attached to the bottom or side of the tank or the flow path flowing downward from the upper direction, and the hollow tube is upstream from the perforated support plate. Since the hollow tube protrudes upstream and can move freely, the hollow tube is difficult to close, and a float is attached to a part of the hollow tube. As a result, the hollow tube exists in a wide area of running water, and the filter becomes more difficult to block.

本発明の代表的なたこ足状フィルター構造体の一例であり、矢印によって吸排液(給排水)の方向を示す一部断面を含む模式斜視図。The typical perspective view including the partial cross section which is an example of the typical octopus-like filter structure of this invention, and shows the direction of suction / discharge liquid (water supply / drainage) by the arrow. (a)が中空管が真っ直ぐな状態(直管)である一例を示す斜視図で、(b)が中空管が曲がった状態である一例を示し、編組された素線間が縮小拡大できることでフレキシブル性があることを示す斜視図。(A) is a perspective view which shows an example in which a hollow tube is a straight state (straight tube), (b) shows an example in which a hollow tube is bent, and the space between braided wires is reduced and enlarged The perspective view which shows that there exists flexibility by being able to do. 本発明のたこ足状フィルター構造体が、液中ポンプに組み付けられた一例を示す斜視図。The perspective view which shows an example in which the octopus foot-shaped filter structure of this invention was assembled | attached to the submerged pump.

次に、本発明を図面により説明する。
図1は、本発明に関わる代表的なたこ足状フィルター構造体(1)の一例であり、多数本の中空管(2)と穴あき固定板(3)から構成され、足部である多数本の中空管が穴あき固定板の該穴から液中(4)に突出しており、穴あき固定板を介して水槽底部5から水槽中の液が中空管を通り排出される状態を示し、矢印は、吸排液(給排水)の方向を示す。
尚、本発明において、穴あき固定板のサイズや穴の数、中空管の太さや長さ等は設置状況に合わせて任意に設計することができ、特には限定されない。
Next, the present invention will be described with reference to the drawings.
FIG. 1 shows an example of a typical octopus-like filter structure (1) according to the present invention, which is composed of a large number of hollow tubes (2) and a perforated fixing plate (3) and is a foot. A number of hollow tubes protrude from the hole of the perforated fixing plate into the liquid (4), and the liquid in the water tank is discharged from the water tank bottom 5 through the hollow tube through the perforated fixing plate. The arrows indicate the direction of the suction / discharge liquid (supply / drainage).
In the present invention, the size of the perforated fixing plate, the number of holes, the thickness and length of the hollow tube, etc. can be arbitrarily designed according to the installation situation, and are not particularly limited.

図2の(a)および(b)は、共に中空管として好ましい、樹脂モノフィラメントを編組しかつ該モノフィラメント同士の交点が接合されておらずに構成された中空管2である場合を示すものであり、図2の(a)は真っ直ぐな状態(直管)、(b)は曲がっており、フレキシブル性を示す一例を表している。   (A) and (b) of FIG. 2 show the case of a hollow tube 2 that is preferably formed as a hollow tube and is formed by braiding resin monofilaments and not joining the intersections of the monofilaments. 2A is a straight state (straight pipe), and FIG. 2B is bent and represents an example showing flexibility.

本発明は、フィルターの目詰まりトラブル頻度を低下させることを目的とし、先ず、形状的にその開孔面積を増大させる手段として、管壁に多数の貫通孔を有するしなやかな中空管、特に樹脂モノフィラメントを編組し、素線(モノフィラメント)間が接合されない状態の中空管を多数設ける構造を用いるものであり、このような樹脂モノフィラメントを編組し、素線間が接合されない状態の中空管は排水性舗装用導水管として公知である。本発明はそのような公知の導水管を全く異なる用途であるフィルター構造体に用いるものであり、そして、中空管に更なる改良を加えたものである。   The present invention aims to reduce the frequency of clogging troubles in a filter. First, as a means for increasing the opening area in terms of shape, a flexible hollow tube having a large number of through holes in a tube wall, particularly a resin A structure in which monofilaments are braided and a plurality of hollow tubes in a state where the strands (monofilaments) are not joined is used. A hollow tube in which such resin monofilaments are braided and the strands are not joined is used. It is known as a drainage pavement conduit. The present invention uses such a known conduit for a filter structure which is a completely different application, and further improves the hollow tube.

管壁に多数の貫通孔を有するしなやかな中空管とは、排水中に同中空管を投入し、吸引することにより、該貫通孔から中空管内に排水中の固形夾雑物を除く水成分を取り込むことができるものであり、排水中の夾雑物や含水ゲルビーズ等は中空管内に侵入させないような貫通孔を無数に管壁に有するものを言う。そして、中空管がしなやかであるということは、流水やポンプの振動により中空管が揺れ動くことが可能であることを意味している。具体的には、中空管を柔軟性ある樹脂や繊維等で構成することにより達成される。   A flexible hollow tube having a number of through-holes in the tube wall is a water component that removes solid contaminants in the drainage from the through-hole into the hollow tube by introducing and sucking the hollow tube into the drainage. The contaminants in the drainage, the hydrated gel beads, and the like are those having innumerable through holes in the tube wall so as not to enter the hollow tube. And that the hollow tube is flexible means that the hollow tube can be shaken by running water or vibration of the pump. Specifically, it is achieved by configuring the hollow tube with a flexible resin or fiber.

貫通孔の大きさに関しては、夾雑物や含水ゲルビーズが通り抜けない程度が好ましく、処理する排水により適当な大きさを採用すればよい。また貫通孔の数に関しては、中空管が強度を大きく低下させない範囲内で数を極力増加させるのが好ましい。中空管の太さや長さに関しては、後述する、樹脂モノフィラメントを編組した場合と同様の範囲が好ましい。   With respect to the size of the through hole, it is preferable that impurities and water-containing gel beads do not pass through, and an appropriate size may be adopted depending on the wastewater to be treated. Regarding the number of through-holes, it is preferable to increase the number as much as possible within a range in which the hollow tube does not significantly reduce the strength. Regarding the thickness and length of the hollow tube, the same range as that in the case of braiding resin monofilament, which will be described later, is preferable.

本発明のフィルター構造体を構成する中空管の好適な例として、樹脂モノフィラメントを編組し、素線(モノフィラメント)間が接合されない状態の中空管、すなわち図に示すようなカゴ状中空管6が挙げられる。
このカゴ状中空管に関しては、その成型法および素材が限定されるものではなく、成型法においては射出成型法、編組法など考えられ、素材においては鋼線、樹脂線、竹ヒゴなどが考えられるが、中空管がポンプ振動や水流によって揺らぎ易く、自浄的に浮遊ゴミの吸着をより高度に防ぐことが可能であることや、中空管自体または自体の一部が浮遊することで夾雑物の少ない液部分から吸引することができることを考えると、樹脂製のモノフィラメントを中空状に編組し、モノフィラメントの交点を固定することなく、自由に滑り合うような編組構造としたものが特に好ましい。
As a suitable example of the hollow tube constituting the filter structure of the present invention, a hollow tube in which resin monofilaments are braided and the strands (monofilaments) are not joined, that is, a cage-shaped hollow tube as shown in the figure. 6 is mentioned.
The molding method and material of the cage-like hollow tube are not limited. The molding method may be an injection molding method, a braiding method, and the material may be steel wire, resin wire, bamboo chin, etc. However, the hollow tube is easy to fluctuate due to pump vibration and water flow, and it is possible to prevent the floating dust from adsorbing to a higher degree by self-cleaning, and the hollow tube itself or a part of itself is suspended. Considering that suction can be performed from a liquid portion with a small amount of material, a monofilament made of resin is braided in a hollow shape, and a braided structure that can freely slide without fixing the intersection of the monofilaments is particularly preferable.

カゴ状中空管において、しなやかさを発現させる構造の好適な一例として、編組時の素線の反発力でカゴ目(貫通孔)が形成された形態のものが考えられる。具体的には、素線重複部(モノフィラメント同士の重なり部)が接合されていない場合であり、このような場合には、接合されていない故に、曲がり外周7では編組ピッチが拡大し、反対側の曲がり内周8では編組ピッチは縮小することとなる。この構造的な自由さがカゴ状中空管のしなやかさの源であり、最適な中空管の構造である。   As a suitable example of a structure that develops flexibility in the cage-shaped hollow tube, a configuration in which a cage (through hole) is formed by a repulsive force of a strand during braiding can be considered. Specifically, this is a case where the overlapping portions of the strands (overlapping portions of the monofilaments) are not joined. In such a case, since the joining is not joined, the braid pitch is increased on the bent outer periphery 7 and the opposite side. In the inner circumference 8 of the bend, the braiding pitch is reduced. This structural freedom is the source of the flexibility of the cage-like hollow tube and is the optimum structure of the hollow tube.

素線9の材質としては、主に水中での使用としなやかさの点から、軽量、汎用性、耐水性、防蝕性を有していることが好ましく、好適な代表的な素材として、ポリプロピレン(PP)およびポリエチレン(PE)で代表されるポリオレフィン類、ポリエステルテレフタレート(PET)やポリブチレンテレフタレート(PBT)で代表されるポリエステル類、ナイロン6やナイロン66で代表されるポリアミド類、さらにポリビニルアルコールやエチレン−ビニルアルコール共重合体などのビニルアルコール系樹脂等の各種の樹脂からなるモノフィラメントが好ましく、特にポリエステル系のモノフィラメントが最適である。そして、モノフィラメントの太さとしては、直径0.5〜2mmの範囲が生産性およびフィルター性能の点で好ましい。   The material of the element wire 9 is preferably lightweight, versatile, water-resistant, and corrosion-resistant mainly from the viewpoint of flexibility in use in water. As a suitable representative material, polypropylene ( Polyolefins represented by PP) and polyethylene (PE), polyesters represented by polyester terephthalate (PET) and polybutylene terephthalate (PBT), polyamides represented by nylon 6 and nylon 66, polyvinyl alcohol and ethylene -Monofilaments made of various resins such as vinyl alcohol resins such as vinyl alcohol copolymers are preferred, and polyester monofilaments are particularly suitable. And as thickness of a monofilament, the range of 0.5-2 mm in diameter is preferable at the point of productivity and filter performance.

モノフィラメントを構成する樹脂には、水性生物が付着することを防止する目的で薬剤が添加されていてもよく、さらに、着色剤や各種安定剤、無機粉体等が添加されていてもよい。さらに、モノフィラメント表面にこのような薬剤や着色剤や無機粉体が塗布または層として存在していてもよい。   In the resin constituting the monofilament, a drug may be added for the purpose of preventing adhesion of aqueous organisms, and further, a colorant, various stabilizers, inorganic powder, and the like may be added. Furthermore, such a chemical | medical agent, a coloring agent, and inorganic powder may exist as a coating or a layer on the monofilament surface.

中空管の形態は、その使用方法が液中ポンプを組み合わせる場合、液中ポンプのサイズによって好適な形態が左右される。この時、液中ポンプの一般的なサイズとは外形寸法75〜350mmφ程度であり、参考までに一般的な液中ポンプサイズに好適な中空管としては、12〜48錘のブレーダーを使用して、上記モノフィラメントを管長手方向に対して45度〜68度の角度範囲で編組することにより得られるもので、モノフィラメントで囲まれた菱形カゴ目の空隙面積が0.5〜8.0mm、長さが30〜200cm、太さ10mm〜40mmの管が好ましい。 The form of the hollow tube depends on the size of the submerged pump when the usage method is combined with the submerged pump. At this time, the general size of the submersible pump is about 75 to 350 mmφ in outer dimensions. For reference, a hollow pipe with 12 to 48 spindles is used as a hollow tube suitable for a general submersible pump size. The monofilament is braided in an angle range of 45 degrees to 68 degrees with respect to the longitudinal direction of the tube, and the void area of the rhomboid cage surrounded by the monofilament is 0.5 to 8.0 mm 2 , A tube having a length of 30 to 200 cm and a thickness of 10 to 40 mm is preferable.

中空管は、その片側の先端を封止部10として封止することでフィルター管をなすものであり、封止方法を特に限定するものではないが、中空管の外径に合ったキャップを中空管の先端部に接着固定する方法が簡便であり好適である。   The hollow tube forms a filter tube by sealing the tip on one side as a sealing portion 10 and does not particularly limit the sealing method, but a cap suitable for the outer diameter of the hollow tube A method of adhering and fixing to the tip of the hollow tube is simple and preferable.

本発明におけるフィルター構造体は、穴あき固定板の各穴ヘ、中空管の封止されていない方の端部を取り付けることで、中空管内部に吸引された排水は中空管内部を通り、穴あき固定板の反対側に通り抜けることとなる。
穴あき固定板には、中空管が多数本固定されており、排水をフィルタリングする際には、排水液中へ中空管が突出した形態で配置されることとなる。したがって、構造的に突出部の根元である固定部、すなわち中空管を穴あき固定板ヘ取り付ける部分は水圧に耐えるような強度が求められることとなる。
The filter structure according to the present invention attaches the end of the hollow tube that is not sealed to each hole of the perforated fixing plate, so that the drained water sucked into the hollow tube flows into the hollow tube. Pass through the opposite side of the perforated fixing plate.
A large number of hollow tubes are fixed to the perforated fixing plate, and when filtering the drainage, the hollow tubes protrude into the drainage liquid. Therefore, the fixing portion that is structurally the base of the protruding portion, that is, the portion where the hollow tube is attached to the perforated fixing plate, is required to have a strength that can withstand water pressure.

穴あき固定板への中空管の固定方法としては、融着、接着、ニップル挿入など多くの方法が考えられ、特に限定するものではないが、固定板に中空管の端末固定用の穴をあけておき、中空管の端末に接着固定した樹脂製中空雌ネジ11を、固定板の穴の反対側から通した樹脂製の中空雄ネジ12によって締めて固定板を挟み込む方法が簡便であり好適である。   As a method for fixing the hollow tube to the perforated fixing plate, there are many methods such as fusion, adhesion, and nipple insertion. Although not particularly limited, a hole for fixing the end of the hollow tube to the fixing plate is considered. A simple method of sandwiching the fixing plate by tightening the resin hollow female screw 11 adhered and fixed to the end of the hollow tube with the resin hollow male screw 12 passed from the opposite side of the hole of the fixing plate is easy. It is preferable.

固定板に取り付ける中空管の本数としては、特に限定されず、2〜100本、特に4〜50本が適当である。そして、固定板の素材としては、金属、樹脂、木、コンクリート等が挙げられるが、好ましくは、金属製または樹脂製の板である。また、固定板はフラットな平面を有するものであっても、あるいは曲面を有するものであっても、折れ曲がった面を有するものでもよい。固定板の大きさや形状等に関しては、使用目的や設置場所等に応じて自由に決めることができる。   The number of hollow tubes attached to the fixing plate is not particularly limited, and 2 to 100, particularly 4 to 50 are suitable. And as a raw material of a fixed board, although a metal, resin, wood, concrete, etc. are mentioned, Preferably it is a metal or resin board. The fixing plate may have a flat plane, a curved surface, or a bent surface. The size, shape, etc. of the fixing plate can be freely determined according to the purpose of use, installation location, etc.

図3は、本発明のフィルター構造体の使用形態の一例を示す応用例であり、液中ポンプ13の本体ストレーナを包み込む様な構造の固定板に対し、図2の(a)や(b)のカゴ状中空管が固定されたタコ足状のフィルターの図であり、液中ポンプの目詰まりを防ぐ目的で取り付けた状態を示すものである。   FIG. 3 is an application example showing an example of the usage pattern of the filter structure of the present invention. FIG. 3A and FIG. 2B illustrate a fixing plate having a structure that wraps the main body strainer of the submerged pump 13. It is a figure of the octopus foot-like filter to which the cage-shaped hollow tube of this was fixed, and shows the state attached in order to prevent clogging of the submerged pump.

本発明において、最も好ましい構造は、管壁に多数の貫通孔を有するしなやかな複数の中空管の一部が対象液に浮かぶような構造であり、そのための具体的構造として、中空管の中間部または先端部、好ましくは先端部に浮き具が取り付けられている構造が挙げられる。このような構造においては、中空管を構成する樹脂やモノフィラメントが水に沈むような素材、具体的には密度が1g/cm以上の樹脂あるいは高比重物を添加することにより密度を1g/cm以上とした樹脂組成物から構成されているのが、排水液中位から吸水できることから好ましい。 In the present invention, the most preferable structure is a structure in which a part of a plurality of supple hollow tubes having a large number of through-holes in the tube wall floats in the target liquid. Examples thereof include a structure in which a float is attached to the intermediate portion or the tip portion, preferably the tip portion. In such a structure, a material in which the resin and monofilament constituting the hollow tube are submerged in water, specifically, a resin having a density of 1 g / cm 3 or more or a high specific gravity is added, thereby reducing the density to 1 g / cm 2. It is preferable that the resin composition is cm 3 or more because water can be absorbed from the middle of the drainage liquid.

これらの最適構造は、液体流動の少ない排水ピットなどの環境に本発明のフィルター構造体が設置された場合でも、若い落ち葉や樹脂製包装袋などの柔軟で面積の大きい浮遊夾雑物等が中空管の表面に吸い付けられ、フィルター機能を消失することを防ぐことができ、さらには、腐敗した落ち葉などのように沈降する夾雑物を回避し、比較的夾雑物が少ない中液位から安定して吸液することができる。   Even when the filter structure of the present invention is installed in an environment such as a drainage pit with little liquid flow, these optimum structures are hollow, such as young fallen leaves and flexible large-sized floating contaminants such as plastic packaging bags. It is possible to prevent the filter function from being lost by being sucked on the surface of the tube, and avoiding sediments such as spoiled fallen leaves, and stable from the middle liquid level with relatively few contaminants. Can be absorbed.

次に、本発明を実施例で説明する。   Next, an Example demonstrates this invention.

実施例1
1.2mmφのポリエステル(PET)製モノフィラメント24本を、長手方向に対し横糸が62度で交合(横糸相互の交合角124度)する様に24錘ブレーダーで編組して、内径20mm、外径25mmのカゴ状中空管を作製した。このカゴ状中空管を長さ50cmに裁断し、そしてその一方の先端部に、外径20mm、長さ10mm、発泡倍率40倍のポリエチレン発泡体を浮き具として押し込んだ上で、内径24mm、長さ10mmのキャップをはめ込んで接着して封止し、他方の端末には、内径24mmの樹脂製中空雌ネジを嵌め込んで接着して、フィルター用中空管(先端浮遊型)とした。
Example 1
Twenty-four 1.2 mmφ polyester (PET) monofilaments are braided by a 24 spindle blader so that the wefts are joined at 62 degrees with respect to the longitudinal direction (the joining angle between the wefts is 124 degrees), and the inner diameter is 20 mm and the outer diameter is 25 mm. A cage-shaped hollow tube was prepared. This cage-shaped hollow tube is cut into a length of 50 cm, and a polyethylene foam having an outer diameter of 20 mm, a length of 10 mm, and an expansion ratio of 40 times is pushed into one end of the cage as a float, and the inner diameter is 24 mm. A cap having a length of 10 mm was fitted and sealed, and the other end was fitted with a resin hollow female screw having an inner diameter of 24 mm to be bonded to obtain a filter hollow tube (tip floating type).

次に、支持板として、厚さ1mmのSUS鋼板からなる、一側面の長辺が100mm、短辺が70mm、フィルター用中空管の末端を固定するための穴を6ヶ有する側面6枚からなる六角フレームを用意し、全ての中空管固定用穴(36ヶ)に樹脂製中空雄ネジを嵌め込み、該側面を挟み込む様に36本の中空管を取り付け、フィルター構造体を製造した。
得られたフィルター構造体の六角フレームの中央部に外径125mmの水中ポンプ(定格排水量50リットル/分)を位置させ、本体ストレーナを覆いながら固定する様に六角フレームの上下の開放部分を封じた。
Next, as a support plate, from a SUS steel plate having a thickness of 1 mm, the side having a long side of 100 mm, a short side of 70 mm, and six side surfaces having six holes for fixing the end of the filter hollow tube. A hexagonal frame was prepared, resin hollow male screws were fitted into all the hollow tube fixing holes (36), and 36 hollow tubes were attached so as to sandwich the side surface, thereby producing a filter structure.
A submersible pump with an outer diameter of 125 mm (rated drainage of 50 liters / minute) was positioned at the center of the hexagonal frame of the obtained filter structure, and the upper and lower open portions of the hexagonal frame were sealed so as to be fixed while covering the main body strainer. .

比較例1
実施例2で用いたものと同一の、外径125mmの水中ポンプ(定格排水量50リットル/分)で、周囲をフィルター構造体で覆わないものを比較例1として用意した。
Comparative Example 1
The same submersible pump as in Example 2 having an outer diameter of 125 mm (rated drainage amount of 50 liters / min), which was not covered with a filter structure, was prepared as Comparative Example 1.

試験方法1
実施例1および比較例1のものを、縦2m×横2m×高さ1m(4000リットル)の水槽に水を満たし、その中央の水底に、それぞれ置いた(流動の少ない排水ピットを想定)。さらに、それぞれの水槽内には、10cm角に裁断した和紙200枚を24時間水に馴染ませて沈降させ(腐敗落ち葉に相当。計2m2、水槽表面積の1/2相当)と、10cm角に裁断した厚さ1mm、発泡倍率40倍のポリエチレン発泡体シート200枚(レジ袋や初期落ち葉など浮遊ゴミに相当。計2m2、水槽表面積1/2相当)を投入し、水中ポンプを稼働させ10分ごとに1分間の排水量変化を測定した。試験結果を表1に纏めて示す。
Test method 1
The thing of Example 1 and Comparative Example 1 was filled with water in a water tank of 2 m in length, 2 m in width, and 1 m in height (4000 liters), and each was placed on the bottom of the center (assuming a drainage pit with little flow). Furthermore, in each aquarium, 200 sheets of Japanese paper cut into 10 cm square were allowed to settle for 24 hours and settled (corresponding to decayed fallen leaves. Total 2 m 2 , equivalent to 1/2 of the aquarium surface area). 200 sheets of polyethylene foam sheet with a thickness of 1 mm and a foaming ratio of 40 times (equivalent to floating garbage such as plastic bags and initial fallen leaves. Total 2 m 2 , equivalent to 1/2 of the surface area of the water tank) are charged and the submersible pump is operated. The change in the amount of discharged water for 1 minute was measured every minute. The test results are summarized in Table 1.

Figure 2012050945
Figure 2012050945

実施例2
実施例1と同様の仕様のフィルター用中空管(先端浮遊型)を用い、固定板として、厚さ1mmのSUS鋼板からなり、一辺が60mmの正方形であり、フィルター用中空管固定用の穴を4ヶ有する固定板を用意した。そして、全ての中空管固定用の穴に、実施例1と同一の樹脂製の中空雄ネジを介して該中空管の末端に取り付けた樹脂製の雌ネジにより、固定板を挟み込むように4枚の固定板に中空管を固定し、フィルター構造体を作製した。
Example 2
A filter hollow tube (tip floating type) having the same specifications as in Example 1 is used, and the fixing plate is made of a SUS steel plate having a thickness of 1 mm and is a square with a side of 60 mm. A fixing plate having four holes was prepared. Then, the fixing plate is sandwiched in all the hollow tube fixing holes by the resin female screw attached to the end of the hollow tube through the same resin hollow male screw as in Example 1. A hollow tube was fixed to four fixing plates to produce a filter structure.

比較例2
60mmの正方形であるSUS製40メッシュ金網を実施例2のフィルター構造体に置き換え、使用した。
Comparative Example 2
A SUS 40 mesh wire mesh having a square shape of 60 mm was replaced with the filter structure of Example 2 and used.

試験方法2
実施例2および比較例2のフィルター構造体を、それぞれ、縦2m×横2m×高さ1m(4000リットル)の水槽に平均球径4mm(粒径範囲は2〜6mmの範囲)の含水ゲルビーズ40リットル(合計純体積)と水で満たした状態で水槽底部に設置し、その目詰まりによる排水変動を10分ごとに1分間の排水量変化を測定することにより観察し、そして100分間続けた場合の目詰まりを観察測定した。試験結果を表2に纏めて示す。
Test method 2
Each of the filter structures of Example 2 and Comparative Example 2 is a hydrogel bead 40 having an average spherical diameter of 4 mm (particle size range is 2 to 6 mm) in a water tank of 2 m in length, 2 m in width, and 1 m in height (4000 liters). Installed at the bottom of the tank filled with liters (total pure volume) and water, observed drainage fluctuations due to clogging by measuring changes in drainage every 10 minutes, and continued for 100 minutes The clogging was observed and measured. The test results are summarized in Table 2.

Figure 2012050945
Figure 2012050945

実施例1および2ならびに比較例1および2から、本発明のタコ足状フィルター構造体が開口面積を増大させ、且つ、突出による3次元的凸凹構造、さらには、フレキシブル性を有することで、落ち葉や樹脂包装袋など柔軟で面積の大きい夾雑物によるストレーナの吸い込み口閉塞を長期に亘り防ぐこと、さらには平均球径4mm程度の柔軟な含水ゲル状球体においても、長期間目詰まりすることなく分離できることが証明された。   From Examples 1 and 2 and Comparative Examples 1 and 2, the octopus foot-shaped filter structure of the present invention increases the opening area, and has a three-dimensional uneven structure due to protrusion, and further has flexibility, thereby falling leaves To prevent the strainer's suction port from being clogged for a long period of time with flexible and large-sized contaminants, such as plastic packaging bags, and even with flexible hydrogel spheres with an average sphere diameter of about 4 mm without clogging for a long period of time Prove that you can.

本発明によれば、中空管が多数本、本体から突出した形態で複合されフィルター全体の開口面積を増大させる構造であり、且つ、突出による3次元的凸凹構造、さらには中空管が樹脂モノフィラメントを編組してなる(素線間が接合されない状態)カゴ状中空管であることによって、振動や流動に追随するフレキシブル性を高度に有し、落ち葉や樹脂包装袋など、柔軟で面積の大きい夾雑物によるフィルターの閉塞を長期に防ぐこと、さらにはポンプ振動や流動に揺れ動くことで自浄作用を発揮し、平均球径4mm(2〜6mm)の柔軟なゲル状球体を長期間目詰まりすることなく分離することができる。   According to the present invention, a plurality of hollow tubes are combined in a form protruding from the main body to increase the opening area of the entire filter, and the three-dimensional uneven structure by the protrusion, and further, the hollow tube is made of resin. The cage-shaped hollow tube formed by braiding monofilaments (in a state where the strands are not joined) has a high degree of flexibility to follow vibration and flow, and is flexible and has a large area such as fallen leaves and resin packaging bags. Prevents the filter from being clogged with large contaminants for a long period of time, and also exhibits self-cleaning action by shaking with pump vibration and flow, and clogs flexible gel spheres with an average sphere diameter of 4 mm (2 to 6 mm) for a long period of time. Can be separated without any problems.

本発明のフィルター構造体を用いると、あらゆる産業の排水ピットや工事現場など、夾雑物の多い対象液(対象水)を吸排液(給排水)する場合におけるフィルターの目詰まりを防止することが可能である。   When the filter structure of the present invention is used, it is possible to prevent clogging of the filter when absorbing and discharging (water supply / drainage) the target liquid (target water) with a lot of foreign substances such as drainage pits and construction sites in all industries. is there.

1 たこ足状フィルター構造体
2 中空管
3 固定板
4 液中
5 水槽底部
6 カゴ状中空管
7 曲がり外周
8 曲がり内周
9 素線(モノフィラメント)
10 封止部
11 樹脂中空雌ネジ
12 樹脂中空雄ネジ
13 液中ポンプ
DESCRIPTION OF SYMBOLS 1 Octopus-shaped filter structure 2 Hollow tube 3 Fixing plate 4 In liquid 5 Water tank bottom 6 Basket-shaped hollow tube 7 Bending outer periphery 8 Bending inner periphery 9 Wire (monofilament)
DESCRIPTION OF SYMBOLS 10 Sealing part 11 Resin hollow female screw 12 Resin hollow male screw 13 Submerged pump

Claims (5)

管壁に多数の貫通孔を有するしなやかな複数の中空管が、その片端部を穴空き支持板の該穴に取り付けることにより、該支持板に固定されており、該中空管の他端が封止されておりかつ固定されることなく自由に動ける状態となっていることを特徴とするたこ足状フィルター構造体。 A plurality of flexible hollow tubes having a number of through holes in the tube wall are fixed to the support plate by attaching one end thereof to the hole of the perforated support plate, and the other end of the hollow tube Is a sealed structure and is in a state where it can move freely without being fixed. 穴あき支持板が円柱状または角柱状の筒状の形状を有しており、複数の中空管が該穴あき支持板から放射状に突出するように、該穴あき支持板に取り付けられている請求項1に記載のたこ足状フィルター構造体。 The perforated support plate has a cylindrical or prismatic cylindrical shape, and is attached to the perforated support plate such that a plurality of hollow tubes protrude radially from the perforated support plate The octopus foot filter structure according to claim 1. 中空管が、樹脂モノフィラメントを編組しかつ該モノフィラメント同士の交点が接合されておらずに構成された中空管である請求項1または2に記載のたこ足状フィルター構造体。 The octopus-like filter structure according to claim 1 or 2, wherein the hollow tube is a hollow tube formed by braiding resin monofilaments and not connecting the intersections of the monofilaments. 中空管に浮き具が取り付けられている請求項1〜3のいずれかに記載のたこ足状フィルター構造体。 The octopus-like filter structure according to any one of claims 1 to 3, wherein a float is attached to the hollow tube. 穴あき支持板が槽の底部あるいは側部に、または上方向から下方向に流れる流路に取り付けられており、かつ中空管が穴あき支持板から上流方向に向けて取り付けられている請求項1、3及び4のいずれかに記載のたこ足状フィルター構造体。 A perforated support plate is attached to the bottom or side of the tank or to a flow path that flows downward from above, and a hollow tube is attached upstream from the perforated support plate. The octopus foot filter structure according to any one of 1, 3, and 4.
JP2010196727A 2010-09-02 2010-09-02 Filter structure Expired - Fee Related JP5483107B2 (en)

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US20210362172A1 (en) * 2018-10-19 2021-11-25 The Fountainhead Group, Inc. Fluid dispensing device and pump
JP2022051537A (en) * 2020-09-18 2022-03-31 ポール・コーポレーション Branched filter and method of use
JP2022051536A (en) * 2020-09-18 2022-03-31 ポール・コーポレーション Branched filter and method of use

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JP2008229568A (en) * 2007-03-23 2008-10-02 Kuraray Co Ltd Flexible basket-shaped resin pipe filter
JP2008229569A (en) * 2007-03-23 2008-10-02 Kuraray Co Ltd Filter device equipped with flexible basket-shaped resin pipe filter
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210362172A1 (en) * 2018-10-19 2021-11-25 The Fountainhead Group, Inc. Fluid dispensing device and pump
JP2022051537A (en) * 2020-09-18 2022-03-31 ポール・コーポレーション Branched filter and method of use
JP2022051536A (en) * 2020-09-18 2022-03-31 ポール・コーポレーション Branched filter and method of use
JP7251019B2 (en) 2020-09-18 2023-04-04 ポール・コーポレーション Branch type filter and usage
JP7251018B2 (en) 2020-09-18 2023-04-04 ポール・コーポレーション Branch type filter and usage

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