WO2009151101A1 - Filter element, filter module, and filtering device - Google Patents

Filter element, filter module, and filtering device Download PDF

Info

Publication number
WO2009151101A1
WO2009151101A1 PCT/JP2009/060707 JP2009060707W WO2009151101A1 WO 2009151101 A1 WO2009151101 A1 WO 2009151101A1 JP 2009060707 W JP2009060707 W JP 2009060707W WO 2009151101 A1 WO2009151101 A1 WO 2009151101A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
cylindrical
strainer
filter element
filtration
Prior art date
Application number
PCT/JP2009/060707
Other languages
French (fr)
Japanese (ja)
Inventor
敬道 井上
優子 高見
Original Assignee
株式会社クラレ
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 株式会社クラレ filed Critical 株式会社クラレ
Priority to JP2010516884A priority Critical patent/JP5399384B2/en
Publication of WO2009151101A1 publication Critical patent/WO2009151101A1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially

Definitions

  • the present invention relates to a filter module that not only reduces filter clogging and reduces the frequency of filter replacement in the filtration of various fluids, but also facilitates replacement work, and a filtration device that enables effective filtration operation. .
  • a sock-shaped or skirt-shaped filter cloth so as to cover the outer peripheral portion of the filtration membrane (for example, see Patent Document 1).
  • the above filter cloth is fixed at least to the upper end of the filter membrane element, covers at least the outer peripheral side surface of the filter membrane, can prevent large foreign matter from entering the filter membrane surface, and when the filter membrane is backwashed In addition, the filter cloth itself can be washed.
  • the strainer 1 and the filter 2 are housed in independent housings 3 and 4, respectively, and piping for connecting them is required, and a large installation space is required.
  • the filter cloth described in Patent Document 1 when used for a filtration process with a large flow rate of raw water, the filter cloth may stick to the filtration membrane and be integrated, or the filtration membrane may be clogged and filtered. There was no noticeable improvement in the degree of backwashing of the membrane and filter cloth, and further improvement in performance was desired.
  • an object of the present invention is to provide a new filter element and element module that solves these problems with a simple structure, and a filtration device using the same.
  • the cylindrical filter 5 having a hole with a hole diameter of 100 ⁇ m or less and having a radius r fixed at both ends and the outer periphery of the cylindrical filter 5 covers the periphery of the cylindrical filter 5 and is not fixed. It relates to a filter element 7 having a cylindrical strainer 6 having a radius R of not less than 300 ⁇ m and arranged in this manner.
  • the present invention is preferably a filter element 7 in which two or more cylindrical filters are arranged, and the distance between the centers of the cylindrical filters 5 is larger than 2R, smaller than 2 ⁇ (2R ⁇ r), etc.
  • the filter elements 7 are arranged at intervals.
  • the present invention relates to the above filter element in which the gap between the element plate 8 for fixing the cylindrical filter 5 of the filter element 7 and both ends of the cylindrical strainer 6 is equal to or smaller than the hole diameter of the cylindrical strainer 6.
  • the long axis direction of the cylindrical filter 5 is inclined with respect to the horizontal plane in the range of 20 ° to 70 °. It relates to the filter module.
  • the present invention relates to the filter module and a filtration device having means for changing the filtration flow rate or the flow direction of the target fluid when the target fluid is filtered.
  • a filter module and a filtration device that have a simple structure, have a small installation space, can perform fluid filtration for a long period of time, and can easily replace strainers and filters.
  • FIG. 2 is a schematic perspective view and a horizontal sectional view showing an example of the filter element according to the present invention.
  • the cylindrical filter of the present invention can be appropriately selected as long as it has a hole having a hole diameter of 100 ⁇ m or less and a cylinder having a radius r.
  • the material include various synthetic resins, for example, polyolefins such as polyethylene and polypropylene, polyesters, polyamides, celluloses, and metals, but polyolefins are preferable in view of the balance between lightness and rigidity.
  • the pore diameter refers to the nominal pore diameter.
  • the cylindrical strainer of the present invention can be appropriately selected as long as it has a hole having a hole diameter of 300 ⁇ m or more and a cylinder having a radius R.
  • the material include various synthetic resins, for example, polyolefins such as polyethylene and polypropylene, metals such as polyester, polyamide, and cellulose, but rigidity capable of maintaining a cylindrical shape even when the flow rate of raw water is large.
  • synthetic resins particularly polyolefins, are suitable.
  • the cylindrical strainer is installed on the outer periphery of the cylindrical filter so as to cover the periphery of the cylindrical filter, and further needs to be arranged so as not to be fixed, so that R> r between R and r. There is a relationship.
  • the cylindrical filter 5 is fixed to the upper and lower element plates 8, but the cylindrical strainer 6 is mounted without being fixed to the outer peripheral portion of the cylindrical filter.
  • the gap between the element plate 8 that fixes the cylindrical filter 5 of the filter element 7 and both ends of the cylindrical strainer 6 is preferably equal to or smaller than the hole diameter of the cylindrical strainer 6.
  • the cylindrical strainer 6 having the above-described configuration can freely move in a circle having a radius of 2Rr from the center of the element as well as rotating.
  • the cylindrical strainer used in the present invention is restricted in movement by the cylindrical filter, the cylindrical strainer and the cylindrical filter are in contact with each other only at a very small part of the surface area of the cylindrical strainer.
  • the strainer and the cylindrical filter are prevented from sticking to each other.
  • the cylindrical strainer can move within a circle having a radius of 2Rr by the flow of the fluid to be filtered.
  • the cylindrical strainer moves in this manner, it collides with the wall surface of the housing that exists between the cylindrical strainer and the cylindrical filter and between the cylindrical strainer and the outer periphery of the cylindrical strainer, and peels off large foreign matter adhering to the cylindrical strainer. It becomes possible.
  • the filter element of the present invention has an excellent effect of not only reducing clogging of the strainer and reducing the replacement frequency of the filter but also facilitating the replacement work.
  • FIG. 3 is a schematic perspective view and a horizontal sectional view showing an example of a filter element in which two or more cylindrical filters 5 are arranged in the filter element 7 according to the present invention.
  • FIG. 3 shows an example in which three filter elements are arranged, but the same applies to a case where more filter elements are arranged.
  • L is the distance between the centers of adjacent cylindrical filters.
  • FIG. 4 is a schematic perspective view showing an example of the filter module according to the present invention.
  • the housing 14 is provided with a pressure-resistant hatch 9 for opening and closing, and four nozzles of a fluid inlet 10, a fluid outlet 11, an air vent 12, and a drain 13.
  • the housing 14 can be installed on the floor surface with an inclination by the support 15, and it is preferable that the long axis direction of the cylindrical filter is preferably inclined at a range of 20 ° to 70 ° with respect to the horizontal plane. .
  • the long axis direction of the cylindrical filter is preferably inclined at a range of 20 ° to 70 ° with respect to the horizontal plane.
  • the pump power supply of the filtration device may be periodically turned ON / OFF, but the flow rate of the target fluid may be periodically changed by using an inverter. Further, by performing backflow cleaning, the replacement life of the cylindrical strainer or the cylindrical filter can be more effectively extended.
  • FIG. 5 is a flowchart showing an example of the filtration device according to the present invention.
  • FIG. 5 is an example of a flowchart of an apparatus in which two filter modules are arranged in parallel.
  • the pump 16, the filter modules 18, 19 and the automatic opening / closing valves 20 to 27 are arranged as shown in the figure.
  • Table 1 is a process chart showing an example of an operation process of the filtration device according to FIG.
  • the black circles in the table indicate that the pump is ON or the automatic open / close valve is open, and that no mark indicates that the pump is OFF or the automatic open / close valve is closed.
  • the filter When the backwashing is performed, the filter is filtered by one filter module 18 without stopping the pump, and the filtered fluid is introduced into the filtration side of the other filter module 19 to cause a backflow on the filtration surface.
  • the foreign matter adhering to the surface can be effectively peeled off and discharged.
  • FIG. 6 is a flowchart showing another example of the filtration device according to the present invention.
  • FIG. 6 is an example of a flowchart of an apparatus in which compressed air or nitrogen gas is introduced into the filter module and backwashing is performed from the filtration side.
  • the pump 16, the filter module 17, and the automatic opening / closing valves 28 to 33 are arranged as shown in the figure.
  • Table 2 is a process chart showing an example of an operation process of the filtration device according to FIG.
  • the black circles in the table indicate that the pump is ON or the automatic open / close valve is open, and that no mark indicates that the pump is OFF or the automatic open / close valve is closed.
  • the pump 16 In backwashing with compressed air or nitrogen gas, the pump 16 is stopped and compressed air or nitrogen gas is sent to the filtration side of the filter module 17 to effectively separate and discharge foreign matter adhering to the filter filtration surface, and the strainer moves such as vibration. By doing this, foreign matter on the strainer surface can also be efficiently peeled off and discharged.
  • the present invention is useful in various fluid filtration treatments. For example, if it is used as a pretreatment for microfiltration of hollow fiber membranes or RO membranes, the installation space can be omitted, and the downstream side of the product of the present invention. Can reduce the burden on the processing.
  • the occupied space in the machine room can be greatly reduced as an alternative to the hair collector and sand filter.
  • the installation space is small and microorganisms in the ballast water can be removed in advance. can do.
  • FIG. 2 is a schematic perspective view and a horizontal cross-sectional view showing an example of a filter element in which a plurality of filter elements according to the present invention are arranged.
  • FIG. 2 is a schematic perspective view and a horizontal cross-sectional view showing an example of a filter element in which a plurality of filter elements according to the present invention are arranged.
  • FIG. 2 is a schematic perspective view and a horizontal cross-sectional view showing an example of a filter element in which a plurality of filter elements according to the present invention are arranged.
  • FIG. 2 is a schematic perspective view and a horizontal cross-sectional view showing an example of a filter element in which a plurality of filter elements according to the present invention are arranged.
  • It is a schematic perspective view which shows an example of the filter module which concerns on this invention.
  • It is a flowchart figure which shows an example of the filtration apparatus which concerns on this invention.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Provided are a filter module wherein clogging of a filter in filtration of various fluids is minimized to reduce the frequency of replacement of the filter and to facilitate replacement of the filter, and a filtering device capable of effective filtering operation. A filter element has a circular tubular filter provided with holes which have a diameter of 100 μm or smaller, fixed at opposite ends thereof, and having a radius of r, and the filter element also has a circular tubular strainer provided on the outer periphery of the circular tubular filter so as to cover the circular tubular filter, mounted without being fixed, provided with holes having a diameter of 300 μm or greater, and having a radius of R.

Description

フィルターエレメント、フィルターモジュールおよびろ過装置Filter element, filter module and filtration device
　本発明は、様々な流体のろ過においてフィルターの目詰まりを緩和し、フィルターの交換頻度を低減するのみならず、交換作業を容易にするフィルターモジュールおよび効果的なろ過運転を可能とするろ過装置に関する。 The present invention relates to a filter module that not only reduces filter clogging and reduces the frequency of filter replacement in the filtration of various fluids, but also facilitates replacement work, and a filtration device that enables effective filtration operation. .
　流体のろ過処理において従来は図１のように目の粗いストレーナー１で予めろ過処理を行い、更に目の細かいフィルター２で再度ろ過処理をおこなっていた。これは目の細かいフィルターで直接流体をろ過すると、必要以上に大きい異物までもがフィルター面にて捕捉するため、フィルターが早期に目詰まりしてしまうためである。 In the filtration process of fluid, conventionally, the filtration process was previously performed with a strainer 1 having a coarse mesh as shown in FIG. This is because if the fluid is directly filtered with a fine filter, even larger foreign matters than necessary are captured on the filter surface, and the filter is clogged early.
　ストレーナーの態様として、ろ過膜の外周部分にろ過膜を被覆するように靴下形状またはスカート形状のろ布を設置することが公知である（例えば、特許文献１　参照）。上記したろ布は少なくともろ過膜のエレメントの上端に固定され、少なくともろ過膜の外周側面を被覆し、大きい異物のろ過膜表面への侵入を防止することができ、ろ過膜が逆洗されるときに、ろ布自体も洗浄することが可能である。 As a strainer mode, it is known to install a sock-shaped or skirt-shaped filter cloth so as to cover the outer peripheral portion of the filtration membrane (for example, see Patent Document 1). The above filter cloth is fixed at least to the upper end of the filter membrane element, covers at least the outer peripheral side surface of the filter membrane, can prevent large foreign matter from entering the filter membrane surface, and when the filter membrane is backwashed In addition, the filter cloth itself can be washed.
特開２００７－０３８１７２号公報JP 2007-038172 A
　従来の技術ではストレーナー１とフィルター２が独立したハウジング３，４にそれぞれ収納され、これらを接続するための配管が必要であり多大な設置スペースが要求されていた。 In the prior art, the strainer 1 and the filter 2 are housed in independent housings 3 and 4, respectively, and piping for connecting them is required, and a large installation space is required.
　更に目詰まりが起こった場合ストレーナー１、フィルター２それぞれの交換や清掃が要求されその作業には多大な労力が必要とされていた。 Furthermore, when clogging occurred, replacement and cleaning of the strainer 1 and the filter 2 were required, and a great deal of labor was required for the work.
　また、特許文献１に記載のろ布は、原水の流量が多いろ過処理に用いる場合、ろ布がろ過膜に張り付いて一体化してしまうためか、ろ過膜の目詰まりが発生する時間およびろ過膜およびろ布の逆洗の程度については目立った改善が見られず、さらなる性能の向上が望まれていた。 In addition, when the filter cloth described in Patent Document 1 is used for a filtration process with a large flow rate of raw water, the filter cloth may stick to the filtration membrane and be integrated, or the filtration membrane may be clogged and filtered. There was no noticeable improvement in the degree of backwashing of the membrane and filter cloth, and further improvement in performance was desired.
　そこで本発明は簡単な構造でこれらの問題点を解決する新しいフィルターエレメントおよびエレメントモジュール、さらにこれを用いたろ過装置を提供することを課題とする。 Therefore, an object of the present invention is to provide a new filter element and element module that solves these problems with a simple structure, and a filtration device using the same.
　上記課題は以下の本発明により解決される。すなわち本発明は、孔径１００μｍ以下の孔を有する両端が固定された半径ｒの円筒状フィルター５および前記円筒状フィルター５の外周部に前記円筒状フィルター５の周囲を覆い、固定されることのないように配した孔径３００μｍ以上で半径Ｒの円筒状ストレーナー６を有するフィルターエレメント７に関する。 The above problems are solved by the following present invention. That is, in the present invention, the cylindrical filter 5 having a hole with a hole diameter of 100 μm or less and having a radius r fixed at both ends and the outer periphery of the cylindrical filter 5 covers the periphery of the cylindrical filter 5 and is not fixed. It relates to a filter element 7 having a cylindrical strainer 6 having a radius R of not less than 300 μm and arranged in this manner.
　また、好適な本発明は、円筒状フィルターが２本以上配置されてなるフィルターエレメント７であって、円筒状フィルター５の中心間の距離が２Ｒより大きく、２×（２Ｒ－ｒ）より小さく等間隔に配列されてなる上記フィルターエレメント７に関する。 Further, the present invention is preferably a filter element 7 in which two or more cylindrical filters are arranged, and the distance between the centers of the cylindrical filters 5 is larger than 2R, smaller than 2 × (2R−r), etc. The filter elements 7 are arranged at intervals.
　また、好適な本発明は、フィルターエレメント７の円筒状フィルター５を固定するエレメントプレート８と円筒状ストレーナー６の両端との隙間が円筒状ストレーナー６の孔径以下である上記フィルターエレメントに関する。 Further, the present invention relates to the above filter element in which the gap between the element plate 8 for fixing the cylindrical filter 5 of the filter element 7 and both ends of the cylindrical strainer 6 is equal to or smaller than the hole diameter of the cylindrical strainer 6.
　また本発明は、上記フィルターエレメント７を挿入して構成されるハウジング１４を有するフィルターモジュールにおいて、円筒状フィルター５の長軸方向が水平面に対し２０°～７０°の範囲で傾けて設置されてなるフィルターモジュールに関する。 In the filter module having the housing 14 formed by inserting the filter element 7, the long axis direction of the cylindrical filter 5 is inclined with respect to the horizontal plane in the range of 20 ° to 70 °. It relates to the filter module.
　さらに本発明は、上記フィルターモジュールおよび、対象流体をろ過するときに、ろ過流量または対象流体の流れ方向を変化させる手段を有するろ過装置に関する。 Furthermore, the present invention relates to the filter module and a filtration device having means for changing the filtration flow rate or the flow direction of the target fluid when the target fluid is filtered.
　本発明によれば、簡単な構造で設置スペースが小さく、流体のろ過が長期間行うことが可能であり、ストレーナーやフィルターの交換作業の容易なフィルターモジュールおよびろ過装置を提供することができる。 According to the present invention, it is possible to provide a filter module and a filtration device that have a simple structure, have a small installation space, can perform fluid filtration for a long period of time, and can easily replace strainers and filters.
　以下、本発明の実際の形態について図面を用いて説明する。 Hereinafter, an actual embodiment of the present invention will be described with reference to the drawings.
　図２は本発明に係るフィルターエレメントの一例を示す概略斜視図および水平方向の断面図である。 FIG. 2 is a schematic perspective view and a horizontal sectional view showing an example of the filter element according to the present invention.
　本発明の円筒状フィルターは、孔径１００μｍ以下の孔を有し、半径ｒの円筒状であれば、適当なものを適宜選択することができる。材質は各種合成樹脂、例えばポリエチレン、ポリプロピレン等のポリオレフィン類、ポリエステル、ポリアミド、セルロース類等、金属等が例示されるが、軽量性、剛性とのバランスを考慮するとポリオレフィン類が好適である。なお、本発明において孔径とは公称孔径のことを指す。 The cylindrical filter of the present invention can be appropriately selected as long as it has a hole having a hole diameter of 100 μm or less and a cylinder having a radius r. Examples of the material include various synthetic resins, for example, polyolefins such as polyethylene and polypropylene, polyesters, polyamides, celluloses, and metals, but polyolefins are preferable in view of the balance between lightness and rigidity. In the present invention, the pore diameter refers to the nominal pore diameter.
　本発明の円筒状ストレーナーは、孔径３００μｍ以上の孔を有し、半径Ｒの円筒状であれば、適当なものを適宜選択することができる。材質は各種合成樹脂、例えばポリエチレン、ポリプロピレン等のポリオレフィン類、ポリエステル、ポリアミド、セルロース類等、金属等が例示されるが、原水の流量の多い場合でも円筒状の形状を保持することが可能な剛性を有し、かつストレーナー自身が移動するために必要な軽量性を有する必要があることを考慮すると、合成樹脂、特にポリオレフィン類が好適である。また、円筒状ストレーナーは円筒状フィルターの外周部に円筒状フィルターの周囲を覆うように設置され、さらに固定されることのないように配置する必要からＲとｒとの間にはＲ＞ｒの関係がある。 The cylindrical strainer of the present invention can be appropriately selected as long as it has a hole having a hole diameter of 300 μm or more and a cylinder having a radius R. Examples of the material include various synthetic resins, for example, polyolefins such as polyethylene and polypropylene, metals such as polyester, polyamide, and cellulose, but rigidity capable of maintaining a cylindrical shape even when the flow rate of raw water is large. In view of the fact that it is necessary to have the light weight necessary for the strainer itself to move, synthetic resins, particularly polyolefins, are suitable. In addition, the cylindrical strainer is installed on the outer periphery of the cylindrical filter so as to cover the periphery of the cylindrical filter, and further needs to be arranged so as not to be fixed, so that R> r between R and r. There is a relationship.
　図２において円筒状フィルター５は上下のエレメントプレート８に固定されているが円筒状ストレーナー６は円筒状フィルターの外周部に固定されることなく装着されている。フィルターエレメント７の円筒状フィルター５を固定するエレメントプレート８と円筒状ストレーナー６の両端との隙間は、円筒状ストレーナー６の孔径以下であることが好適である。上記の構成を有する円筒状ストレーナー６は、図２の断面図に示す通り、回転のみならずエレメント中心から半径が２Ｒ－ｒの円内を自由に運動することができる。このような本発明に用いられる円筒状ストレーナーは円筒状フィルターにより動きを拘束されるものの円筒状ストレーナーと円筒状フィルターは接するとしても円筒状ストレーナーの表面積の極一部で接するのみであり、円筒状ストレーナーと円筒状フィルターがお互いに固着することを防いでいる。このような円筒状ストレーナーおよび円筒状フィルターからなるフィルターエレメントの構成を採ることによって、円筒状ストレーナーはろ過対象流体の流れによって、半径が２Ｒ－ｒの円内を移動することができる。このように円筒状ストレーナーが移動することによって、円筒状ストレーナーと円筒状フィルターの間および円筒状ストレーナーとそのさらに外周に存在するハウジングの壁面と衝突し、円筒状ストレーナーに付着した大きい異物を剥離することが可能となる。その結果、本発明のフィルターエレメントは、ストレーナーの目詰まりを緩和しフィルターの交換頻度を低減するのみならず、交換作業を容易にするという優れた効果を奏する。 In FIG. 2, the cylindrical filter 5 is fixed to the upper and lower element plates 8, but the cylindrical strainer 6 is mounted without being fixed to the outer peripheral portion of the cylindrical filter. The gap between the element plate 8 that fixes the cylindrical filter 5 of the filter element 7 and both ends of the cylindrical strainer 6 is preferably equal to or smaller than the hole diameter of the cylindrical strainer 6. As shown in the sectional view of FIG. 2, the cylindrical strainer 6 having the above-described configuration can freely move in a circle having a radius of 2Rr from the center of the element as well as rotating. Although the cylindrical strainer used in the present invention is restricted in movement by the cylindrical filter, the cylindrical strainer and the cylindrical filter are in contact with each other only at a very small part of the surface area of the cylindrical strainer. The strainer and the cylindrical filter are prevented from sticking to each other. By adopting such a filter element configuration comprising a cylindrical strainer and a cylindrical filter, the cylindrical strainer can move within a circle having a radius of 2Rr by the flow of the fluid to be filtered. As the cylindrical strainer moves in this manner, it collides with the wall surface of the housing that exists between the cylindrical strainer and the cylindrical filter and between the cylindrical strainer and the outer periphery of the cylindrical strainer, and peels off large foreign matter adhering to the cylindrical strainer. It becomes possible. As a result, the filter element of the present invention has an excellent effect of not only reducing clogging of the strainer and reducing the replacement frequency of the filter but also facilitating the replacement work.
　図３は本発明に係るフィルターエレメント７において、円筒状フィルター５を２本以上すなわち複数本を配列したフィルターエレメントの一例を示す概略斜視図および水平方向の断面図である。 FIG. 3 is a schematic perspective view and a horizontal sectional view showing an example of a filter element in which two or more cylindrical filters 5 are arranged in the filter element 7 according to the present invention.
　図３においてフィルターエレメントを３本配列した場合の一例を示しているが更に多くのフィルターエレメントを配列した場合もこれに準ずる。 FIG. 3 shows an example in which three filter elements are arranged, but the same applies to a case where more filter elements are arranged.
　隣り合う円筒状フィルターの中心間の距離をＬとするとＬは２Ｒ＜Ｌ＜２×（２Ｒ－ｒ）に設定することが望ましい。この間隔を保持することで固定されたフィルターの周囲をストレーナーが自由に運動することが可能となり、前述した効果に加えて、隣り合うストレーナー同士が衝突することでストレーナー表面に付着した異物を剥離させる効果も生まれる。 It is desirable to set L to 2R <L <2 × (2R−r) where L is the distance between the centers of adjacent cylindrical filters. By maintaining this distance, it becomes possible for the strainer to freely move around the fixed filter. In addition to the above-mentioned effects, the adjacent strainers collide with each other to peel off foreign matter adhering to the strainer surface. An effect is also born.
　図４は本発明に係るフィルターモジュールの一例を示す概略斜視図である。 FIG. 4 is a schematic perspective view showing an example of the filter module according to the present invention.
　図４においてハウジング１４には開閉するための耐圧ハッチ９と流体入口１０、流体出口１１、エア抜き１２、ドレン１３の４つのノズルが設けられている。 In FIG. 4, the housing 14 is provided with a pressure-resistant hatch 9 for opening and closing, and four nozzles of a fluid inlet 10, a fluid outlet 11, an air vent 12, and a drain 13.
　またハウジング１４はサポート１５によって床面に傾斜をもって据え付けられることも可能であり、好適には円筒状フィルターの長軸方向が水平面に対し２０°～７０°の範囲で傾けて設置されることが好ましい。このような構成にすることによって、高さに制約のある場所での設置も実現でき、フィルターエレメントの交換作業も容易となる。 Further, the housing 14 can be installed on the floor surface with an inclination by the support 15, and it is preferable that the long axis direction of the cylindrical filter is preferably inclined at a range of 20 ° to 70 ° with respect to the horizontal plane. . By adopting such a configuration, it is possible to realize installation in places where the height is restricted, and it is easy to replace the filter element.
　本発明の効果を最大限に得るためには円筒状ストレーナーを適宜運動させることが重要であり、これはろ過の対象流体の流速や方向を変化させる手段を用いることによって可能となる。 In order to obtain the maximum effect of the present invention, it is important to appropriately move the cylindrical strainer, and this can be achieved by using means for changing the flow rate and direction of the target fluid to be filtered.
　前述した手段としては、ろ過装置のポンプ電源を定期的にＯＮ・ＯＦＦするだけでもよいが、インバーターを用いることにより定期的に対象流体の流速を変化させてもよい。さらに逆流洗浄を行うことによって、より効果的に円筒状ストレーナーや円筒状フィルターの交換寿命を延長させることができる。 As the means described above, the pump power supply of the filtration device may be periodically turned ON / OFF, but the flow rate of the target fluid may be periodically changed by using an inverter. Further, by performing backflow cleaning, the replacement life of the cylindrical strainer or the cylindrical filter can be more effectively extended.
　図５は本発明に係るろ過装置の一例を示すフローチャート図である。 FIG. 5 is a flowchart showing an example of the filtration device according to the present invention.
　図５はフィルターモジュールを２本並列に配置した装置のフローチャートの一例である。ポンプ１６とフィルターモジュール１８，１９および自動開閉弁２０～２７を図のように配置する。 FIG. 5 is an example of a flowchart of an apparatus in which two filter modules are arranged in parallel. The pump 16, the filter modules 18, 19 and the automatic opening / closing valves 20 to 27 are arranged as shown in the figure.
　表１は図５に係るろ過装置の運転工程の一例を示す工程表である。 Table 1 is a process chart showing an example of an operation process of the filtration device according to FIG.
　表中の黒丸はポンプがＯＮの状態、または自動開閉弁が開状態を表し、無印はポンプがＯＦＦの状態または自動開閉弁が閉状態であることを表している。 The black circles in the table indicate that the pump is ON or the automatic open / close valve is open, and that no mark indicates that the pump is OFF or the automatic open / close valve is closed.
Figure JPOXMLDOC01-appb-T000001
Figure JPOXMLDOC01-appb-T000001
　逆流洗浄させるときは、ポンプを停止させることなく、片方のフィルターモジュール１８でろ過をおこないそのろ過された流体をもう片方のフィルターモジュール１９のろ過側へ導入することによりろ過面での逆流が生じ表面に付着した異物を効果的に剥離、排出することができる。 When the backwashing is performed, the filter is filtered by one filter module 18 without stopping the pump, and the filtered fluid is introduced into the filtration side of the other filter module 19 to cause a backflow on the filtration surface. The foreign matter adhering to the surface can be effectively peeled off and discharged.
　図６は本発明に係るろ過装置のもう一つの一例を示すフローチャート図である。図６はフィルターモジュールに圧縮空気または窒素ガスを導入し、ろ過側からの逆洗をおこなう場合の装置のフローチャートの一例である。ポンプ１６とフィルターモジュール１７および自動開閉弁２８～３３を図のように配置する。 FIG. 6 is a flowchart showing another example of the filtration device according to the present invention. FIG. 6 is an example of a flowchart of an apparatus in which compressed air or nitrogen gas is introduced into the filter module and backwashing is performed from the filtration side. The pump 16, the filter module 17, and the automatic opening / closing valves 28 to 33 are arranged as shown in the figure.
　表２は図６に係るろ過装置の運転工程の一例を示す工程表である。表中の黒丸はポンプがＯＮの状態、または自動開閉弁が開状態を表し、無印はポンプがＯＦＦの状態または自動開閉弁が閉状態であることを表している。 Table 2 is a process chart showing an example of an operation process of the filtration device according to FIG. The black circles in the table indicate that the pump is ON or the automatic open / close valve is open, and that no mark indicates that the pump is OFF or the automatic open / close valve is closed.
　圧縮空気または窒素ガスによる逆流洗浄はポンプ１６を停止させフィルターモジュール１７のろ過側に圧縮空気または窒素ガスを送り込みフィルターろ過表面に付着した異物を効果的に剥離、排出するとともにストレーナーが振動などの運動をすることによりストレーナー表面の異物も効率よく剥離、排出することができる。 In backwashing with compressed air or nitrogen gas, the pump 16 is stopped and compressed air or nitrogen gas is sent to the filtration side of the filter module 17 to effectively separate and discharge foreign matter adhering to the filter filtration surface, and the strainer moves such as vibration. By doing this, foreign matter on the strainer surface can also be efficiently peeled off and discharged.
Figure JPOXMLDOC01-appb-T000002
Figure JPOXMLDOC01-appb-T000002
　本発明は様々な流体のろ過処理において有用であるが例えば中空糸膜やＲＯ膜などの精密ろ過の前処理として使用すれば、設置スペースを省略することが可能な上、本発明品の下流側での処理における負担が軽減できる。 The present invention is useful in various fluid filtration treatments. For example, if it is used as a pretreatment for microfiltration of hollow fiber membranes or RO membranes, the installation space can be omitted, and the downstream side of the product of the present invention. Can reduce the burden on the processing.
　また例えばプールや浴槽の循環ろ過において使用すれば集毛器と砂ろ過器の代替として機械室等における占有スペースを大きく削減することができる。 Also, for example, if it is used for circulating filtration of pools and bathtubs, the occupied space in the machine room can be greatly reduced as an alternative to the hair collector and sand filter.
　また例えば船舶のバラスト水のろ過装置として使用すれば、設置スペースが小さくバラスト水中の微生物を前もって除去できるためバラストタンク内での殺菌、制菌をおこなう場合の薬剤や不活性ガスの充填量を軽減することができる。 For example, when used as a ship ballast water filtration device, the installation space is small and microorganisms in the ballast water can be removed in advance. can do.
従来の一般的な流体のろ過処理方法の一例を示した概念図である。It is the conceptual diagram which showed an example of the conventional general fluid filtration processing method. 本発明に係るフィルターエレメントの一例を示す概略斜視図および水平方向の断面図である。It is the schematic perspective view which shows an example of the filter element which concerns on this invention, and sectional drawing of a horizontal direction. 本発明に係るフィルターエレメントにおいて複数本を配列したフィルターエレメントの一例を示す概略斜視図および水平方向の断面図である。FIG. 2 is a schematic perspective view and a horizontal cross-sectional view showing an example of a filter element in which a plurality of filter elements according to the present invention are arranged. 本発明に係るフィルターモジュールの一例を示す概略斜視図である。It is a schematic perspective view which shows an example of the filter module which concerns on this invention. 本発明に係るろ過装置の一例を示すフローチャート図である。It is a flowchart figure which shows an example of the filtration apparatus which concerns on this invention. 本発明に係るろ過装置の一例を示すフローチャート図である。It is a flowchart figure which shows an example of the filtration apparatus which concerns on this invention.
１：ストレーナー
２：フィルター
３：ストレーナーハウジング
４：フィルターハウジング
５：円筒状フィルター
６：円筒状ストレーナー
７：フィルターエレメント
８：エレメントプレート
９：耐圧ハッチ
１０：流体入口ノズル
１１：流体出口ノズル
１２：エア抜きノズル
１３：ドレンノズル
１４：ハウジング
１５：サポート
１６：ポンプ
１７：フィルターモジュール
１８：フィルターモジュール１
１９：フィルターモジュール２
２０：自動開閉弁V１
２１：自動開閉弁V２
２２：自動開閉弁V３
２３：自動開閉弁V４
２４：自動開閉弁V５
２５：自動開閉弁V６
２６：自動開閉弁V７
２７：自動開閉弁V８
２８：自動開閉弁V９
２９：自動開閉弁V１０
３０：自動開閉弁V１１
３１：自動開閉弁V１２
３２：自動開閉弁V１３
３３：自動開閉弁V１４ 1: Strainer 2: Filter 3: Strainer housing 4: Filter housing 5: Cylindrical filter 6: Cylindrical strainer 7: Filter element 8: Element plate 9: Pressure-resistant hatch 10: Fluid inlet nozzle 11: Fluid outlet nozzle 12: Air vent Nozzle 13: Drain nozzle 14: Housing 15: Support 16: Pump 17: Filter module 18: Filter module 1
19: Filter module 2
20: Automatic on-off valve V1
21: Automatic on-off valve V2
22: Automatic open / close valve V3
23: Automatic on-off valve V4
24: Automatic open / close valve V5
25: Automatic open / close valve V6
26: Automatic on-off valve V7
27: Automatic on-off valve V8
28: Automatic on-off valve V9
29: Automatic on-off valve V10
30: Automatic on-off valve V11
31: Automatic on-off valve V12
32: Automatic open / close valve V13
33: Automatic on-off valve V14

Claims (5)

  1. 　孔径１００μｍ以下の孔を有する両端が固定された半径ｒの円筒状フィルターおよび前記円筒状フィルターの外周部に前記円筒状フィルターの周囲を覆い、固定されることのないように配した孔径３００μｍ以上で半径Ｒの円筒状ストレーナーを有するフィルターエレメント。 A cylindrical filter having a hole diameter of 100 μm or less and having a radius r fixed at both ends, and a hole diameter of 300 μm or more arranged so as not to be fixed by covering the periphery of the cylindrical filter on the outer periphery of the cylindrical filter. A filter element having a cylindrical strainer of radius R.
  2. 　円筒状フィルターが２本以上配置されてなるフィルターエレメントであって、円筒状フィルターの中心間の距離が２Ｒより大きく、２×（２Ｒ－ｒ）より小さく等間隔に配列されてなる請求項１に記載のフィルターエレメント。 2. The filter element comprising two or more cylindrical filters, wherein the distance between the centers of the cylindrical filters is larger than 2R and smaller than 2 × (2R−r), and is arranged at equal intervals. The filter element as described.
  3. 　フィルターエレメントの円筒状フィルターを固定するエレメントプレート８と円筒状ストレーナーの両端との隙間が円筒状ストレーナーの孔径以下である請求項１または２に記載のフィルターエレメント。 The filter element according to claim 1 or 2, wherein a gap between the element plate 8 for fixing the cylindrical filter of the filter element and both ends of the cylindrical strainer is equal to or smaller than a hole diameter of the cylindrical strainer.
  4. 　請求項１～３のいずれか１項に記載のフィルターエレメントを挿入して構成されるハウジングを有するフィルターモジュールにおいて、円筒状フィルターの長軸方向が水平面に対し２０°～７０°の範囲で傾けて設置されてなるフィルターモジュール。 A filter module having a housing configured by inserting the filter element according to any one of claims 1 to 3, wherein a long axis direction of the cylindrical filter is inclined within a range of 20 ° to 70 ° with respect to a horizontal plane. A filter module that is installed.
  5. 　請求項４に記載のフィルターモジュールおよび、対象流体をろ過するときに、ろ過流量または対象流体の流れ方向を変化させる手段を有するろ過装置。 5. A filter module comprising the filter module according to claim 4 and means for changing a filtration flow rate or a flow direction of the target fluid when the target fluid is filtered.
PCT/JP2009/060707 2008-06-11 2009-06-11 Filter element, filter module, and filtering device WO2009151101A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010516884A JP5399384B2 (en) 2008-06-11 2009-06-11 Filter element, filter module and filtration device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008153227 2008-06-11
JP2008-153227 2008-06-11

Publications (1)

Publication Number Publication Date
WO2009151101A1 true WO2009151101A1 (en) 2009-12-17

Family

ID=41416805

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/060707 WO2009151101A1 (en) 2008-06-11 2009-06-11 Filter element, filter module, and filtering device

Country Status (2)

Country Link
JP (1) JP5399384B2 (en)
WO (1) WO2009151101A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104016500A (en) * 2014-06-16 2014-09-03 芜湖市华泰实业有限公司 Multi-level water purifying filter element
JP2016185666A (en) * 2015-03-27 2016-10-27 富士フィルター工業株式会社 Leaf disk filter device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01164795U (en) * 1988-05-10 1989-11-17
JPH09170188A (en) * 1995-10-09 1997-06-30 Aikawa Iron Works Co Ltd Paper-making screen apparatus and operation of paper-making screen apparatus
JPH10113513A (en) * 1996-10-09 1998-05-06 Brother Ind Ltd Purifier
JP2000246021A (en) * 1999-02-26 2000-09-12 Tadayoshi Nagaoka Filter apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55121811A (en) * 1979-03-15 1980-09-19 Totoku Electric Co Ltd Filtration device
JPS63126510A (en) * 1986-11-14 1988-05-30 Nkk Corp Solution filter
GB2202164B (en) * 1987-02-20 1991-04-03 Sartorius Gmbh Testing fluid filter apparatus
JPH07328334A (en) * 1994-06-07 1995-12-19 Chisso Corp Composite filtering body
JPH11197416A (en) * 1998-01-12 1999-07-27 Ishikawajima Shibaura Mach Co Ltd Mounting constitution of filter
JP2003038916A (en) * 2001-07-17 2003-02-12 Millipore Corp Filter element and filter apparatus having exchangable filter
JP3084352U (en) * 2001-07-26 2002-03-22 儒林 李 Filter body for water purification and its manufacturing equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01164795U (en) * 1988-05-10 1989-11-17
JPH09170188A (en) * 1995-10-09 1997-06-30 Aikawa Iron Works Co Ltd Paper-making screen apparatus and operation of paper-making screen apparatus
JPH10113513A (en) * 1996-10-09 1998-05-06 Brother Ind Ltd Purifier
JP2000246021A (en) * 1999-02-26 2000-09-12 Tadayoshi Nagaoka Filter apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104016500A (en) * 2014-06-16 2014-09-03 芜湖市华泰实业有限公司 Multi-level water purifying filter element
JP2016185666A (en) * 2015-03-27 2016-10-27 富士フィルター工業株式会社 Leaf disk filter device

Also Published As

Publication number Publication date
JPWO2009151101A1 (en) 2011-11-17
JP5399384B2 (en) 2014-01-29

Similar Documents

Publication Publication Date Title
US9023208B2 (en) Disc filter
KR101462631B1 (en) High flow disc filter
US9339745B2 (en) Trash tolerant filter support for a disc filter
JP3131190B2 (en) Filtration device having a variable filter layer
WO2009151101A1 (en) Filter element, filter module, and filtering device
KR101813528B1 (en) Sewage Wastewater for the screen device
KR102480165B1 (en) Pre-filter module to prevent contamination of submerged membrane module
JPH07194944A (en) Hollow fiber membrane filter apparatus

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09762531

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2010516884

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09762531

Country of ref document: EP

Kind code of ref document: A1