JPH1085562A - Union restricting orifice and filtration device - Google Patents

Union restricting orifice and filtration device

Info

Publication number
JPH1085562A
JPH1085562A JP24453496A JP24453496A JPH1085562A JP H1085562 A JPH1085562 A JP H1085562A JP 24453496 A JP24453496 A JP 24453496A JP 24453496 A JP24453496 A JP 24453496A JP H1085562 A JPH1085562 A JP H1085562A
Authority
JP
Japan
Prior art keywords
union
screw
pipe
flange
orifice
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP24453496A
Other languages
Japanese (ja)
Inventor
Tatsuo Mongaki
龍男 捫垣
Original Assignee
Asahi Chem Ind Co Ltd
旭化成工業株式会社
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 Asahi Chem Ind Co Ltd, 旭化成工業株式会社 filed Critical Asahi Chem Ind Co Ltd
Priority to JP24453496A priority Critical patent/JPH1085562A/en
Publication of JPH1085562A publication Critical patent/JPH1085562A/en
Application status is Pending legal-status Critical

Links

Abstract

PROBLEM TO BE SOLVED: To provide a union restricting orifice which can easily be installed and replaced and save cost by reducing the number of parts and to provide a filtration device equipped with this union restricting orifice. SOLUTION: A union screw 3 is screwed into piping 1 and also a disc 6 with a hole 6a serving as a restricting orifice and an elastic member 8 are fitted into the inner wall face 3c of the union screw 3. In addition, a union collar 4 is screwed into piping 2 and a union nut 5 is fitted into the union collar 4. At the same time, packing 7 is fitted into the outer wall face 4d of the union collar 4. Further, the union screw 3 and the union collar 4 are connected together by screwing the union nut 5 into the union screw 3.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は、原液を循環しながら濾過を行う濾過装置において、エア等の気体や液体が流通する2つの配管を接続すると共に、濾過膜に蓄積した懸濁物質を排除するエアバブリング時に各濾過膜に供給されるエアの流量を均一に分配するユニオン式制限オリフィス及びこれを備えた濾過装置に関するものである。 The present invention relates to the elimination in the filtration apparatus for performing filtration while circulating the stock solution, with a gas or liquid, such as an air connects the two pipe flows, the suspended substances accumulated on the filter membrane it relates filtration apparatus having uniformly union type restriction orifice for dispensing and this air flow supplied to each filtration membrane when air bubbling to.

【0002】 [0002]

【従来の技術】河川水、湖沼水、地下水或いは海水等を原水としてクロスフロー型の精密濾過または限外濾過装置により大量に浄化する水処理を行う濾過装置では、濾過能力の維持のために循環濾過法が用いられており、従来のこの種の濾過装置においては、濾過膜に蓄積した懸濁物質を排除するために濾過膜にエアを供給するエアバブリング運転が定期的に実施される。 BACKGROUND ART river water, in lake water, filtration device for performing water treatment to purify in large quantities by cross-flow microfiltration or ultrafiltration apparatus as ground water or sea water or the like raw water circulation to maintain the filtering capacity filtration method have been used in this type of conventional filtration devices, air bubbling operation for supplying air to the filtration membrane in order to eliminate the suspended solids accumulated on the filtration membrane is periodically performed.

【0003】各濾過膜にエアを供給する配管に該濾過膜に供給されるエアの流量を均一にするための制限オリフィスが設けられる。 Restriction orifice for equalizing flow rate of air supplied is provided in the filtration membrane in a pipe for supplying air to each filtration membrane. 図4(a)は、図4(b)に示す制限オリフィスとなる孔57aを形成したオリフィス板57を設けるための従来の管継ぎ手の構成を示す断面説明図である。 4 (a) is a cross-sectional view showing a configuration of a conventional pipe joint for providing an orifice plate 57 formed with holes 57a serving as a restricting orifice shown in Figure 4 (b). 図4(a)において、エアを流通させる配管51, 4 (a), the pipe 51 for circulating the air,
52の端部にはフランジ53,54がネジ込みや溶接等によって固定されており、両フランジ53,54のフランジ面53 Flanges 53 and 54 at the end of the 52 is fixed by screwing or welding, the flange surface 53 of the flanges 53, 54
a,54aには、配管51,52の外径よりも大きい内径を有するパッキン55,56が配置され、更に該パッキン55,56 a, the 54a, the packing 55 and 56 having an inner diameter larger than the outer diameter of the pipe 51, 52 is disposed, further the packing 55 and 56
の間には図4(b)に示すように略中央部に所定の大きさを有する孔57aを形成したオリフィス板57が配置される。 Orifice plate 57 formed with holes 57a having a predetermined size at a substantially central portion as shown in FIG. 4 (b) is disposed between the.

【0004】そして、フランジ53,54を複数のボルト58 [0004] Then, the flanges 53, 54 a plurality of bolts 58
とナット59を螺合して締着して固定することによって、 By fixing and fastened screwed to the nut 59,
フランジ53,54のフランジ面53a,54aとパッキン55, Flange surface 53a, 54a and the packing 55 of the flange 53,
56とオリフィス板57との接触面が夫々密着して気密性が保持され、配管51,52の何れかの方向からエアを流通させると、オリフィス板57の孔57aを流通するエアの流速が一定になって濾過膜に供給され、エアバブリングによって濾過膜に蓄積した懸濁物質を排除するようになっている。 56 and the contact surface of the orifice plate 57 is held airtight by each contact, when circulating the air from either direction of the pipe 51, the flow velocity of the air is constant flowing through the hole 57a of the orifice plate 57 turned to the supplied to the filtration membrane, so as to eliminate suspended solids accumulated on the filtration membrane by air bubbling.

【0005】 [0005]

【発明が解決しようとする課題】しかしながら、前述の従来の技術では、2枚のフランジ53,54間に2枚のパッキン55,56を介在させ、更にパッキン55,56の間にオリフィス板57を挟んでフランジ53,54に複数のボルト58を挿入して該ボルト58にナット59を螺合させて固定するので、パッキン55,56やオリフィス板57の位置合わせに手間がかかる上、安定した気密性を得るために複数のボルト58とナット59を略均等に締着する必要があり、この締着作業が比較的面倒である。 [SUMMARY OF THE INVENTION However, in the prior art described above, by interposing the two packing 55, 56 between the two flanges 53 and 54, further orifice plate 57 between the packing 55 and 56 sandwiched by inserting a plurality of bolts 58 to the flange 53 so that fixed by screwing the nut 59 to the bolt 58 is, on the time-consuming alignment of the packing 55, 56 and the orifice plate 57, a stable air-tight must be substantially uniformly fastening a plurality of bolts 58 and nuts 59 in order to obtain gender, the fastening work is relatively troublesome.

【0006】また、永く使用している間にオリフィス板 [0006] In addition, the orifice plate while long time use
57の孔57aに懸濁物質等がつまったような場合には、オリフィス板57を取り替える必要があるため、上述したような理由から取り替え作業に手間がかかるという問題がある。 If suspended like material or the like is clogged 57 of hole 57a, it is necessary to replace the orifice plate 57, there is a problem that time-consuming to work replacement reasons as described above.

【0007】また、部品点数が比較的多いため、部品コストがかかるという問題がある。 [0007] In addition, due to the relatively large number of components, there is a problem in that it takes the parts cost.

【0008】本発明は前記課題を解決するものであり、 [0008] The present invention has been made to solve the above problems,
その目的とするところは、制限オリフィスの取付け交換作業が容易で、且つ部品点数を削減してコストダウンを図ることが出来るユニオン式制限オリフィス及びこれを備えた濾過装置を提供せんとするものである。 And has as its object easy attachment replacement of restriction orifice, there is provided St. filtration apparatus equipped that the Union type restricting orifice and which can reduce cost by and reduce the number of parts .

【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に係るユニオン式制限オリフィスは、ユニオンネジまたはユニオン鍔の流路に所定の大きさの孔を形成した板部材を配置して構成したことを特徴とする。 Means for Solving the Problems] union type restricting orifice according to the present invention for achieving the above object, place the plate member formed with a predetermined size of the holes in the flow path of the union screws or union flange characterized in that the configuration was.

【0010】上記ユニオン式制限オリフィスの具体的な構成は、制限オリフィスとなる所定の大きさの孔を形成した板部材を内部に有し、且つ一端部に所定の内径で、 [0010] Specific configuration of the union type restricting orifice has a predetermined forming a pore size plate member serving as a restricting orifice therein, and a predetermined inner diameter at one end,
且つ軸方向に所定の寸法を有する内壁面を有し、且つ前記一端部に設けた前記内壁面の外周に所定の外径を有する第1のネジ部を有し、且つ他端部に所定の内径を有すると共に、エア等の気体や液体を流通させる第1の配管の端部の外周に形成されたネジ部に螺合する第2のネジ部を有するユニオンネジと、一端部に前記ユニオンネジの内壁面の内径に対応する外径で、且つ軸方向に所定の寸法を有する外壁面を有し、且つ前記外壁面に隣接して前記ユニオンネジの第1のネジ部の外径に対応する外径で、且つ軸方向に所定の寸法を有する鍔部を有し、且つ他端部に所定の内径を有すると共に、エア等の気体や液体を流通させる第2の配管の端部の外周に形成されたネジ部に螺合するネジ部を有するユニオン鍔と、前記ユニオン鍔に嵌合する And axially has an inner wall surface having a predetermined size, and wherein a an outer periphery of the inner wall surface which is provided at one end of the first threaded portion having a predetermined outer diameter, and a predetermined other end and having an inner diameter, and Union screw having a second thread portion screwed to the threaded portion formed on the outer circumferential end of the first pipe for flowing gas or liquid such as an air, the union screw at one end an outer diameter corresponding to the inner diameter of the inner wall surface of, and in the axial direction has an outer wall surface having a predetermined dimension, and corresponding to the outer diameter of the first threaded portion of said union screw adjacent said outer wall surface an outer diameter, and having axially a flange portion having a predetermined size, and which has a predetermined inner diameter at the other end, on the outer periphery of an end portion of the second pipe for flowing gas or liquid, such as an air and Union flange having a threaded portion to be screwed into a screw portion formed to fit into the union collar 共に、一端部に前記ユニオン鍔の鍔部に当接係合する係止部を有し、他端部に前記ユニオンネジの第1のネジ部に螺合するネジ部を有するユニオンナットと、前記ユニオン鍔の外壁面の外径に対応する内径を有すると共に、該ユニオン鍔の鍔部の外径に対応する外径を有し、且つ軸方向に所定の幅を有するパッキンとを有することを特徴とする。 Both the union nut having a threaded portion having an engagement portion for abutting engagement to the flange portion of the union flange at one end, is screwed into the first threaded portion of the union screws to the other end, said and having an inner diameter corresponding to the outer diameter of the outer wall surface of the union flange has an outer diameter corresponding to the outer diameter of the flange portion of said union flange, characterized in that it has a packing having a predetermined width and in the axial direction to.

【0011】本発明は、上述の如く構成したので、ユニオンネジの第2のネジ部に第1の配管の端部に形成したネジ部を螺合してユニオンネジと第1の配管を接続し、 The present invention, since the configuration as described above, to connect the union screw and the first pipe screwed a threaded portion formed on an end portion of the first pipe to the second threaded portion of the union screws ,
更に、ユニオン鍔をユニオンナットに嵌入してユニオン鍔のネジ部に第2の配管の端部に形成したネジ部を螺合してユニオン鍔と第2の配管を接続し、パッキンをユニオン鍔の外壁面の外周に嵌合すると共に、鍔部に当接させ、ユニオン鍔の外壁面をユニオンネジの内壁面に嵌合すると共に、ユニオンナットのネジ部をユニオンネジの第1のネジ部に螺合してパッキンを介してユニオン鍔とユニオンネジとを気密性を保持して接続することが出来る。 Furthermore, screwed a screw portion formed on an end portion of the second pipe to the threaded portion of the union flange with fitting the union collar the union nut to connect the union flange and a second pipe, the union collar packing screw with fitted on the outer periphery of the outer wall surface, is brought into contact with the flange portion, the fitting the outer wall surface of the union flange on the inner wall surface of the union screws, the screw portion of the union nut with the first threaded portion of the union screws combined can be connected to airtightness a union flange with union screw through the packings.

【0012】即ち、ユニオンナットをユニオンネジに螺合して締着して固定するだけで、第1、第2の配管を接続することが出来、ユニオンネジ側に設けた制限オリフィスとなる孔を介して第1の配管と第2の配管の流路が接続される。 Namely, only fixed in fastened screwed a union nut to the union screw, first, it is possible to connect the second pipe, the hole becomes a limiting orifice provided in the union screw side the flow passage of the first pipe and the second pipe are connected through.

【0013】制限オリフィスを交換する際には、ユニオンナットをユニオンネジから取り外した後、制限オリフィスとなる板部材をユニオンネジから取り外すか、若しくはユニオンネジを第1の配管から取り外して制限オリフィスを交換すれば良い。 [0013] When replacing a restriction orifice, after removal of the union nut from Union screws replace the restriction orifice or remove Remove the plate member serving as restricting orifice from Union screw, or the union screw from the first pipe it is sufficient.

【0014】このように、制限オリフィスの取付け交換作業が単純なネジの取付け取り外し作業のみで容易に出来る。 [0014] Thus, the mounting operation of replacing the restriction orifice easily only by attaching detaching simple screws.

【0015】また、本発明に係る濾過装置の構成は、気体及び液体が流通する2つの配管を接続すると共に、該気体及び液体を均一に分配する前記ユニオン式制限オリフィスを設けて構成したことを特徴とする。 [0015] The configuration of the filtration device according to the present invention, together with gas and liquid to connect two pipe flows, that which is configured by providing the union type restriction orifice to uniformly distribute the said gas and liquid and features.

【0016】 [0016]

【発明の実施の形態】図により本発明に係るユニオン式制限オリフィス及びこれを備えた濾過装置の一実施形態を具体的に説明する。 Specifically described an embodiment of a union-type restriction orifice and filtration apparatus having the same according to the present invention by showing PREFERRED EMBODIMENTS. 図1は本発明に係るユニオン式制限オリフィスを示す断面説明図、図2は本発明に係るユニオン式制限オリフィスの組み付けを示す斜視図、図3 Figure 1 is a sectional diagram showing a union type restricting orifice according to the present invention, perspective view of the FIG. 2 assembly of union type restricting orifice according to the present invention, FIG. 3
は本発明に係るユニオン式制限オリフィスを備えた濾過装置の構成を示す図である。 Is a diagram showing the structure of a filtration apparatus provided with a union-type restricting orifice according to the present invention.

【0017】本発明に係るユニオン式制限オリフィスは、図3に示して詳しくは後述する濾過膜に蓄積した懸濁物質を排除するエアバブリング時に該濾過膜に供給されるエア等の気体や液体の流量を制限する制限オリフィスを有するユニオン式制限オリフィスであって、図1及び図2に示すように、エア等の気体や液体が流通する2 The union type restricting orifice according to the present invention, in detail shown in Figure 3, such as air supplied to the filtration membrane when air bubbling to eliminate the suspended solids accumulated on the filter membrane to be described later gas or liquid a union type restricting orifice having a restricted orifice for limiting the flow rate, as shown in FIGS. 1 and 2, a gas or liquid, such as an air circulating 2
つの配管1,2を接続するために配管1に接続されるユニオンネジ3と、配管2に接続されるユニオン鍔4と、 One of the union screw 3 connected to the pipe 1 in order to connect the pipes 1 and 2, the union flange 4 which is connected to the pipe 2,
ユニオンネジ3とユニオン鍔4とを接続するユニオンナット5を有するユニオン(管継ぎ手)で構成されている。 It is composed of the union (pipe joint) that has a union nut 5 for connecting the union screw 3 and the union flange 4.

【0018】前記配管1,2は所定の内径を有するステンレス鋼管等で構成され、その端部外周には、夫々ネジ部1a,2aが形成されている。 [0018] The pipe 1 is made of stainless steel or the like having a predetermined inner diameter, the end thereof periphery, each threaded portion 1a, 2a are formed.

【0019】前記配管1に接続されるユニオンネジ3はステンレス鋼等で構成され、配管1のネジ部1aに螺合するネジ部3aを形成したナット部3bと、該ナット部3bに隣設された前記ネジ部3aの径よりも大きい内径を有する内壁面3cと、該内壁面3cの外周に前記ナット部3bの外径よりも大きい外径を有するネジ部3dが形成されて構成されている。 The union screw 3 connected to the pipe 1 is made of stainless steel or the like, and a nut portion 3b forming the threaded portion 3a to be screwed into the threaded portion 1a of the pipe 1, it is provided adjacent to the nut portion 3b and the inner wall surface 3c having an inner diameter larger than the diameter of the threaded portion 3a and is constituted by forming a screw portion 3d is having a larger outer diameter than the outer diameter of the nut portion 3b on the outer periphery of the inner wall surface 3c .

【0020】前記内壁面3cには、制限オリフィスとなる孔6aを略中央部に開孔した板部材となるステンレス鋼板等で構成され、所定の板厚を有する円板6が嵌入され、内壁面3cとネジ部3aとの境界に形成された当接面3eに該円板6の一方の面が当接して配置される。 [0020] the inner wall 3c is composed of the hole 6a of the limiting orifice in a substantially central portion of stainless steel or the like serving as the opening and a plate member, a disc 6 having a predetermined thickness is fitted, the inner wall surface 3c and one surface of the circular plate 6 to the contact surface 3e formed in the boundary between the threaded portion 3a is placed against.

【0021】また、内壁面3cには、円板6の当接面3 Further, on the inner wall surface 3c, the contact surface 3 of the disc 6
eに当接する面と反対側の面に当接すると共に、後述するユニオン鍔4の先端面4eに当接し得るゴム等で構成されたリング状の弾性部材8が嵌入される。 It abuts against the surface opposite to the surface contacting the e, a ring-shaped elastic member 8 made of a rubber or the like which may contact is fitted on the distal end surface 4e of the union flange 4 which will be described later. 尚、弾性部材8は、ゴム以外に、内壁面3cに対応する外径を有すると共に、円板6とユニオン鍔4の先端面4eに当接し得るコイルバネ、スプリングワッシャ、ウェイブワッシャ等で構成することも可能である。 The elastic member 8, in addition to the rubber, which has an outer diameter corresponding to the inner wall surface 3c, a coil spring which may contact with the distal end surface 4e of the disk 6 and the union flange 4, spring washers, be composed of a wave washer or the like it is also possible.

【0022】また、他の構成として、弾性部材8を省略して、円板6をユニオンネジ3の内壁面3cに対して容易に剥離可能な接着剤によって固定することでも良い。 Further, as another configuration, by omitting the elastic member 8 may also be fixed by readily releasable adhesive to the inner wall surface 3c of the disc 6 Union screw 3.

【0023】前記配管2に接続されるユニオン鍔4はステンレス鋼等で構成され、配管2のネジ部2aに螺合するネジ部4aを形成したナット部4bと、該ナット部4 The union flange 4 which is connected to the pipe 2 is made of stainless steel or the like, and a nut portion 4b formed a screw portion 4a to be screwed into the threaded portion 2a of the pipe 2, the nut 4
bに隣設された前記ナット部4bの外径よりも大きく、 Larger than the outer diameter of the nut portion 4b which is disposed adjacent to b,
且つユニオンネジ3のネジ部3dの外径よりも小さい外径を有する鍔部4cと、該鍔部4cに隣設された前記ユニオンネジ3の内壁面3cの内径に対応する外径を有する外壁面4dと、先端面4eとを有して形成されている。 Outside and having a flange portion 4c having a smaller outer diameter than the outer diameter of the screw portion 3d of the union screw 3, an outer diameter corresponding to the inner diameter of the inner wall surface 3c of the union screw 3 which is provided adjacent to the collar portion 4c and the wall surface 4d, is formed having a distal end surface 4e. そして、ユニオン鍔4の外壁面4dがユニオンネジ3の内壁面3cに嵌合すると共に、先端面4eが弾性部材8に当接して該弾性部材8を押圧し、ユニオンネジ3 Then, the outer wall surface 4d of the union collar 4 is fitted to the inner wall surface 3c of the union screw 3, the distal end surface 4e presses the elastic member 8 in contact with the elastic member 8, Union screw 3
の内壁面3cに嵌入された円板6を支持固定するようになっている。 It has a disc 6 which is fitted to the inner wall surface 3c of the to support fixed.

【0024】前記ユニオンナット5は、ステンレス鋼等で構成され、ユニオンネジ3のネジ部3dに螺合するネジ部5aが形成され、配管2側の端部に前記ユニオン鍔4の鍔部4cに当接係合する係止部5bが設けられている。 [0024] The union nut 5 is formed of a stainless steel or the like, is formed a screw portion 5a to be screwed into the screw portion 3d of the union screws 3, the flange portion 4c of the union flange 4 to the end of the pipe 2 side engaging portions 5b for abutting engagement is provided. そして、ユニオンナット5は前記ユニオン鍔4に嵌合してユニオンナット5の係止部5bがユニオン鍔4の鍔部4cに当接係合して係止され、ユニオンナット5のネジ部5aをユニオンネジ3のネジ部3dに螺合して締着することでユニオンネジ3とユニオン鍔4とが接続される。 Then, the union nut 5 is engaging portion 5b of the union nut 5 is locked engaged abutting engagement to the flange portion 4c of the union flange 4 fitted to the union flange 4, a screw portion 5a of the union nut 5 and Union screw 3 and the union flange 4 is connected by fastened screwed into the screw portion 3d of the union screws 3.

【0025】ユニオン鍔4の外壁面4dの外周には、前記ユニオン鍔4の外壁面4dの外径に対応する内径を有すると共に、該ユニオン鍔4の鍔部4cの外径に対応する外径を有し、且つ外壁面4dの軸方向の寸法よりも小さい幅を有してテフロン等で構成されるパッキン7が嵌合される。 [0025] The outer periphery of the outer wall surface 4d of the union flange 4, an outer diameter and having an inner diameter corresponding to the outer diameter of the outer wall surface 4d of the union flange 4, corresponding to the outer diameter of the flange portion 4c of the Union flange 4 has a packing 7 made of Teflon or the like is fitted in and having a width less than the axial dimension of the outer wall surface 4d.

【0026】そして、ユニオンナット5のネジ部5aをユニオンネジ3のネジ部3dに螺合して締着し、ユニオンネジ3とユニオン鍔4とを接続する際に、パッキン7 [0026] Then, fastened screwed a screw portion 5a of the union nut 5 to the screw portion 3d of the union screws 3, when connecting the union screw 3 and the union flange 4, the packing 7
がユニオンネジ3の端部面とユニオン鍔4の鍔部4cとに密接することで、ユニオンネジ3とユニオン鍔4とが気密性を保持して接続される。 There it closely to the flange portion 4c of the end face and the union flange 4 of the union screws 3, and Union screw 3 and the union flange 4 is connected to airtightness.

【0027】上記ユニオン式制限オリフィスAの組み付け及び制限オリフィスの交換手順を詳細に説明する。 [0027] describing the replacement procedure of assembling and restrictive orifice in detail the union type restriction orifice A. 先ず、ユニオンネジ3のネジ部3aに配管1の端部に形成したネジ部1aを螺合してユニオンネジ3と配管1を接続する。 First, connect the union screw 3 the pipe 1 is screwed a threaded portion 1a formed at an end portion of the pipe 1 to the screw portion 3a of the union screws 3.

【0028】次に、予め、制限オリフィスとなる孔6a Next, advance, the limiting orifice hole 6a
を形成した円板6をユニオンネジ3の内壁面3cに嵌入して当接面3eに当接し、更に該内壁面3cに弾性部材8を嵌入して該弾性部材8を円板6に当接する。 Fitted a disc 6 which is formed into the inner wall surface 3c of the union screws 3 abutting surface 3e in contact, further abuts the elastic member 8 by fitting the elastic member 8 in the inner wall 3c on the disc 6 .

【0029】ここで、弾性部材8を省略した構成の場合には、内壁面3cに嵌入した円板6をユニオンネジ3に対して容易に剥離可能な接着剤で固定する。 [0029] In the case of a configuration omitting the elastic member 8 is fixed at a readily releasable adhesive disc 6 fitted on the inner wall surface 3c relative to the union screws 3.

【0030】一方、ユニオン鍔4をユニオンナット5に嵌入してユニオン鍔4のネジ部4aに配管2の端部に形成したネジ部2aを螺合してユニオン鍔4と配管2を接続する。 On the other hand, I screwed a threaded portion 2a formed by fitting the union flange 4 to the union nut 5 to the screw portion 4a of the union flange 4 to the end of the pipe 2 by connecting the union flange 4 and the pipe 2. そして、パッキン7をユニオン鍔4の外壁面4 Then, the outer wall surface 4 of the packing 7 Union flange 4
dの外周に嵌合すると共に、鍔部4cに当接させ、ユニオン鍔4の外壁面4dをユニオンネジ3の内壁面3cに嵌合した後、ユニオンナット5のネジ部をユニオンネジ3のネジ部3dに螺合してパッキン7を介してユニオン鍔4とユニオンネジ3とを接続する。 With fitted on the outer periphery of d, is brought into contact with the flange portion 4c, after fitting the outer wall surface 4d of the union flange 4 on the inner wall surface 3c of the union screw 3, the screw portion of the union nut 5 of the union screws 3 Screws screwed into section 3d by connecting the union flange 4 and the union screws 3 through a packing 7.

【0031】上述のように、本実施形態では、ユニオンナット5を制限オリフィスを設けたユニオンネジ3に螺合して締着して固定するだけで、第1、第2の配管を制限オリフィスを介して接続することが出来、制限オリフィスとなる円板6に設けた孔6aを介して配管1と配管2の流路が接続され、この制限オリフィスにより図3に示して後述する各濾過膜に供給されるエア等の気体や液体の流量が均一となり、濾過膜に過大な振動を与えないで該濾過膜に蓄積した懸濁物質を排除するエアバブリング運転が良好に実施できる。 [0031] As described above, in this embodiment, only screwed a union nut 5 the union screw 3 having a restriction orifice and fixed to fastened, the first, limits the second pipe orifice through it can be connected, is connected flow path of the pipe 1 and the pipe 2 via a hole 6a provided in the disc 6 serving as a restricting orifice, to each filtration membrane to be described later shows this restriction orifice 3 flow rate of the gas or liquid such as air to be supplied becomes uniform, air bubbling operation to eliminate the suspended solids accumulated in excessive filtrate not shake filtration membrane in the filtration membrane can be performed satisfactorily.

【0032】また、制限オリフィスを交換する際には、 [0032] In addition, when replacing the restriction orifice,
ユニオンナット5をユニオンネジ3から取り外した後、 After removing the union nut 5 from Union screw 3,
ユニオンネジ3の内壁面3cから弾性部材8を取り外した後、該内壁面3cから円板6を取り外して円板6のみを交換することが出来る。 After removal of the elastic member 8 from the inner wall surface 3c of the union screw 3, it is possible to replace only the discs 6 and remove the disc 6 from the inner wall surface 3c.

【0033】また、弾性部材8を省略して円板6を容易に剥離可能な接着剤でユニオンネジ3の内壁面3cに接着して固定した場合には、円板6を内壁面3cから容易に剥離して交換することが出来る。 Further, in the case of fixing by adhering to the inner wall surface 3c of the union screw 3 easily releasable adhesive disc 6 is omitted elastic member 8, facilitates disc 6 from the inner wall surface 3c peeled and can be exchanged for.

【0034】また、円板6を容易に剥離できない接着剤やロウ付け等で固定した場合には、ユニオンネジ3を配管1から取り外して円板6とユニオンネジ3とを一体的に交換することでも良い。 Further, in the case of fixing a disc 6 that can not be easily peeled off adhesive or brazing, etc., be integrally exchange a disc 6 and the union screws 3 and remove the union screw 3 from the pipe 1 But good.

【0035】このように、制限オリフィスの取付け交換作業が単純なネジの取付け取り外しのみで容易に出来、 [0035] In this way, only in the easily be mounted removal of a simple screw mounting replacement of the restriction orifice,
作業性を向上させることが出来る。 It is possible to improve the workability. また、円板6はユニオンネジ3の内壁面3cに嵌入されて弾性部材8により位置決めされ、パッキン7はユニオン鍔4の外壁面4d Also, disc 6 is positioned by the elastic member 8 is fitted to the inner wall surface 3c of the union screw 3, the outer wall surface 4d of the packing 7 Union flange 4
に嵌合されて位置決めされるので、前述した従来例のように、パッキンや制限オリフィスの位置合わせに手間がかかることがなく、更には、制限オリフィスの組み付け時に複数のボルトとナットを略均等に締着する必要があった従来例と比較して、本実施形態ではユニオンナット5をユニオンネジ3に螺合するだけで制限オリフィスを組付けることが出来、締着作業が容易になった。 Since the positioning is fitted in, as in the conventional example described above, can take no time alignment of the packing or restricting orifice, furthermore, substantially equally a plurality of bolts and nuts during assembly of the restriction orifice as compared with the conventional example in which it is necessary to fastened, in the present embodiment can be assembled simply by limiting orifice screwing the union nut 5 the union screw 3 has facilitated fastening work.

【0036】上述した本発明に係るユニオン式制限オリフィスは、例えば、原液を循環しながら濾過を行うクロスフロー型の精密或いは限外濾過装置に好適に適用することが出来、詳細には、濾過装置にクロスフロー方式の中空糸状膜で構成される濾過膜モジュールの濾過膜のエアバブリング運転時に使用可能である。 The union type restricting orifice according to the present invention described above, for example, can be suitably applied to cross-flow fine or ultrafiltration unit which performs filtering while circulating the stock solution, in particular, a filtration device it is available when air bubbling operation of the filtration membrane of the filtration membrane module composed of hollow fiber membranes of the cross flow scheme.

【0037】以下に、本発明に係るユニオン式制限オリフィスを備えた濾過装置の一例を図3を用いて説明する。 [0037] Hereinafter, an example of a filtration device provided with a union-type restricting orifice according to the present invention will be described with reference to FIG. 図3は本発明に係るユニオン式制限オリフィスを備えた濾過装置の構成を示す図である。 Figure 3 is a diagram showing a structure of a filtration apparatus provided with a union-type restricting orifice according to the present invention.

【0038】図3において、9は原液タンクであり、濾過されるべき原液9aが貯蔵されている。 [0038] In FIG. 3, 9 is a stock tank, stock 9a are stored to be filtered. 本実施形態では、原液9aとして、例えば、河川水、湖沼水、地下水或いは海水等が使用される。 In the present embodiment, as a stock solution 9a, for example, river water, lake water, ground water or sea water or the like is used. 原液タンク9の下流側には、原液循環ポンプ10が接続されており、該原液循環ポンプ10を駆動することにより原液タンク9内の原液9a Downstream of the stock solution tank 9, is connected to the stock solution circulation pump 10, undiluted 9a in stock tank 9 by driving the stock solution circulation pump 10
を配管11に供給する。 The supply to the pipe 11.

【0039】前記配管11にはクロスフロー方式の中空糸状膜で構成される濾過膜モジュール12が複数個並列に接続されており、配管11を通って濾過膜モジュール12に供給された原液9aは、原液循環ポンプ10の作用により所定の圧力が付与されて濾過膜モジュール12の中空糸状膜の外側から内側に透過することで濾過され、濾過膜モジュール12により濾過された濾過液9bが中空糸状膜の内側を流通して濾過液配管13に導かれて図示しない濾過液タンクに貯蔵される。 [0039] The pipe 11 filtration membrane module 12 consists of hollow fiber membranes of the cross flow method to are connected in parallel a plurality, through the pipe 11 is supplied to the filtration membrane module 12 dope 9a is filtered by passing through from the outside to the inside of the hollow fiber membrane filtration predetermined pressure is applied by the action of the stock solution circulation pump 10 membrane modules 12, filtrate 9b filtered by the filtration membrane module 12 is a hollow fiber membrane is stored in the filtrate tank (not shown) the inward directed to filtrate pipe 13 in circulation.

【0040】一方、配管11を通って濾過膜モジュール12 On the other hand, filtration through a pipe 11 membrane modules 12
に供給された原液9aの一部は、循環戻り原液9cとして濾過膜モジュール12の中空糸状膜の外側を流通して原液戻り配管14に導かれて原液タンク9に戻るようになっている。 Some of the supplied undiluted 9a in is led to the filtration membrane hollow fiber back stock solution flows through the outer membrane pipe 14 of the module 12 is adapted to return to the stock tank 9 as a circular return stock 9c.

【0041】また、濾過膜モジュール12の濾過膜に蓄積した懸濁物質を排除する目的で、エアバブリング装置が設けられており、図示しないコンプレッサにより供給された圧縮空気が図示しない空気槽を介して配管2に導かれ、前述したユニオン式制限オリフィスAを介して濾過膜モジュール12の上流側に接続された配管1から供給されて該濾過膜モジュール12の中空糸状膜の外側を流通して該中空糸状膜を振動させ、中空糸状膜の外側表面に蓄積した懸濁物質を剥離する。 Further, in order to eliminate the suspended solids accumulated on the filtration membrane of the filtration membrane module 12, Airbus and bling device is provided, via the air tank compressed air supplied by a not shown compressor (not shown) is guided to the pipe 2, the hollow in fluid communication with the outside of the hollow fiber membrane is supplied from the pipe 1 connected to the upstream side of the filtration membrane module 12 via a union type restriction orifice a described above the filtration membrane module 12 the filamentous membranes to vibrate, to peel off the suspended materials accumulated on the outer surface of the hollow fiber membranes.

【0042】前記ユニオン式制限オリフィスAは、各濾過膜モジュール12毎に一つずつその上流側に設けられており、各ユニオン式制限オリフィスAに供給されたエアは、制限オリフィスである円板6の孔6aを流通することにより各濾過膜モジュール12に供給されるエアの流量が所定の流量に一定化されて均一化され、各濾過膜モジュール12の濾過膜に過大な振動を与えないで該濾過膜に蓄積した懸濁物質を排除するエアバブリング運転が良好に実施できるようになっている。 [0042] The union type restricting orifice A is provided one by one on the upstream side in the filtration membrane module 12 each, air supplied to the respective union type restricting orifice A is a restriction orifice disc 6 air flow supplied to each of the filtration membrane module 12 by flowing through the hole 6a of the uniform is kept constant to a predetermined flow rate, said not apply excessive vibration to the filter membrane of the filtration membrane module 12 Air bubbling operation to eliminate the accumulated suspended solids in the filtration membrane is adapted to be carried out satisfactorily.

【0043】上記エアバブリング運転は、例えば、先ず、濾過膜モジュール12内に原液9aを張った状態、即ち、濾過膜モジュール12内で原液9aが静止して滞留した状態で、空気または窒素ガスを圧力2[kg/cm 2 G], [0043] The above air bubbling operation, for example, first, a tensioned state of the stock solution 9a to the filtration membrane module 12, i.e., in a state in which undiluted 9a is retained stationary by filtration membrane module 12 within the air or nitrogen gas pressure 2 [kg / cm 2 G] ,
流量5[Nm 3 /hr]で60秒間供給する。 Flow rate 5 [Nm 3 / hr] in supplies 60 seconds.

【0044】この時、各濾過膜モジュール12の二次側は、開放された状態になっており、ユニオン式制限オリフィスAの一次側圧力は、0.5[kg/cm 2 G]、二次側圧力は0[kg/cm 2 G]となってΔP=5000[mmAq] [0044] At this time, the secondary side of the filtration membrane module 12 is adapted to open state, the primary side pressure of the union type restricting orifice A is, 0.5 [kg / cm 2 G ], secondary side pressure becomes 0 [kg / cm 2 G] ΔP = 5000 [mmAq]
となり、各濾過膜モジュール12の濾過膜に供給される空気または窒素ガスの流量が均一となって、該濾過膜に過大な振動を与えないで該濾過膜に蓄積した懸濁物質を排除するエアバブリング運転が良好に実施できるようになっている。 Next, air flow rate of air or nitrogen gas is supplied to the filtration membrane of the filtration membrane module 12 becomes uniform, eliminating the suspended substances accumulated on the filtration membrane not apply excessive vibration in the filtration membrane bubbling operation are enabled to practice good.

【0045】その後、更に濾過膜モジュール12に原液9 [0045] Then, the stock solution 9 In addition to the filtration membrane module 12
aを流した状態で60秒間、空気または窒素ガスを供給する。 60 seconds under a stream of a, supply air or nitrogen gas. そして、3日に1回の割合で前述の一連のエアバブリング運転を120秒間行ってこれを周期的に繰り返す。 And this periodically repeated once at a rate of performing 120 seconds series of air bubbling operation of the aforementioned three days.

【0046】そして、原液タンク9から原液循環ポンプ [0046] The stock solution circulation pump from a stock solution tank 9
10により供給された原液9aの一部である循環戻り原液9cが濾過膜モジュール4の中空糸状膜の外側を流通して、上述のようにして剥離した懸濁物質を押し流して排液し、剥離した懸濁物質を含む循環戻り原液9cは原液戻り配管14に導かれて廃液タンク15に収容される。 10 circulation return stock 9c is a part of the supplied undiluted 9a is circulated outside the hollow fiber membranes of the filtration membrane module 4 by, and drained sweeping away suspended matter peeled as described above, peel circulation return stock 9c containing the suspended materials is contained in the waste liquid tank 15 is guided to the concentrate return pipe 14.

【0047】図3に示す16〜19は、濾過処理運転時やエアバブリング運転時に逆流を防止するためのバルブである。 [0047] 16 to 19 shown in FIG. 3 is a valve for preventing backflow at the time and air bubbling operation filtration operation.

【0048】尚、前記実施形態では、エアバブリング運転時に空気または窒素ガスを用いた場合について説明したが、他の気体や水等の液体を用いて前記ユニオン式制限オリフィスAを介して濾過膜モジュール12の濾過膜に蓄積した懸濁物質を排除するように構成しても良い。 [0048] In the above embodiment, the filtration membrane module via the union type restriction orifice A using has been described, the liquid such as another gas or water for the case of using air or nitrogen gas during air bubbling operation it may be configured to eliminate the suspended solids accumulated on the 12 filter membrane. この場合も、各濾過膜モジュール12の濾過膜に供給される水等の液体の流量がユニオン式制限オリフィスAを介して均一となり、該濾過膜に過大な振動を与えないで該濾過膜に蓄積した懸濁物質を排除する運転が良好に実施出来る。 Again, the flow rate of the liquid such as water to be supplied to the filtration membrane of the filtration membrane module 12 is uniform through the union type restricting orifice A, stored in the filtration membrane not apply excessive vibration in the filtration membrane operation to eliminate the suspended solids can be carried out satisfactorily.

【0049】前記実施形態では、制限オリフィスとなる孔6aを形成した円板6をユニオンネジ3側に設けた場合について説明したが、他の構成として、前記円板6をユニオン鍔4側に設けて構成することでも良い。 [0049] In the above embodiment has described the case of providing the circular plate 6 having a hole 6a in which a limiting orifice Union screw 3 side, as another configuration, provided the disc 6 Union flange 4 side it may also be configured Te.

【0050】また、前記実施形態では、制限オリフィスとなる孔6aを形成した円板6を、ユニオンネジ3またはユニオン鍔4と別体で構成した場合について説明したが、他の構成として、ユニオンネジ3またはユニオン鍔4の流路に制限オリフィスとなる所定の大きさの孔を形成した隔壁を一体的に設けて構成しても良い。 [0050] In the above embodiment, the disc 6 forming the hole 6a of the limiting orifice, has been described as being configured separately from the union screw 3 or union flange 4, as another configuration, Union screw 3 or predetermined to be limiting orifice in the flow path of Union flange 4 the size hole the formed partition wall may be constituted integrally provided.

【0051】 [0051]

【発明の効果】本発明は、上述の如き構成と作用とを有するので、制限オリフィスの取付け交換作業が容易で、 According to the present invention, because it has a working and such configuration described above, easy attachment replacement of restriction orifice,
且つ部品点数を削減してコストダウンを図ることが出来る。 It is possible to reduce the cost to and reduce the number of parts.

【0052】また、濾過装置において、各濾過膜に過大な振動を与えることなく、エアバブリングによる洗浄が行える。 [0052] Further, in the filtration apparatus, without giving an excessive vibration to the filtration membrane, it allows washing with air bubbling.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明に係るユニオン式制限オリフィスを示す断面説明図である。 1 is a cross-sectional diagram showing a union type restricting orifice according to the present invention.

【図2】本発明に係るユニオン式制限オリフィスの組み付けを示す斜視図である。 It is a perspective view showing the assembly of the union type restricting orifice according to the present invention; FIG.

【図3】本発明に係るユニオン式制限オリフィスを備えた濾過装置の構成を示す図である。 3 is a diagram showing a structure of a filtration apparatus having a union type restricting orifice according to the present invention.

【図4】従来例を説明する図である。 4 is a diagram illustrating a conventional example.

【符号の説明】 DESCRIPTION OF SYMBOLS

A…ユニオン式制限オリフィス 1,2…配管 1a,2a…ネジ部 3…ユニオンネジ 3a…ネジ部 3b…ナット部 3c…内壁面 3d…ネジ部 3e…当接面 4…ユニオン鍔 4a…ネジ部 4b…ナット部 4c…鍔部 4d…外壁面 4e…先端面 5…ユニオンナット 5a…ネジ部 5b…係止部 6…円板 6a…孔 7…パッキン 8…弾性部材 9…原液タンク 9a…原液 9b…濾過液 10…原液循環ポンプ 11…配管 12…濾過膜モジュール 13…濾過液配管 14…原液戻り配管 15…廃液タンク 16〜19…バルブ A ... Union formula restricting orifice 1,2 ... pipes 1a, 2a ... screw part 3 ... Union screw 3a ... screw portion 3b ... nut portion 3c ... inner wall surface 3d ... screw portion 3e ... abutment surface 4 ... Union flange 4a ... thread portion 4b ... nut portion 4c ... flange portion 4d ... outer wall surface 4e ... tip end face 5 ... union nut 5a ... screw part 5b ... locker 6 ... disc 6a ... hole 7 ... packing 8 ... elastic member 9 ... stock tank 9a ... stock 9b ... filtrate 10 ... concentrate circulation pump 11 ... pipe 12 ... filtration membrane module 13 ... filtrate pipe 14 ... concentrate return pipe 15 ... waste liquid tank 16 to 19 ... valve

Claims (2)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 ユニオンネジまたはユニオン鍔の流路に所定の大きさの孔を形成した板部材を配置して構成したことを特徴とするユニオン式制限オリフィス。 1. A union screw or union type restriction orifice, characterized in that the flow path of the union collar was constructed by arranging a predetermined forming a pore size plate member.
  2. 【請求項2】 気体または液体が流通する2つの配管を接続すると共に、該気体または液体を均一に分配する請求項1に記載のユニオン式制限オリフィスを備えた濾過装置。 Wherein with gas or liquid to connect two pipes circulating filtering device provided with a union-type restricting orifice according to claim 1 to uniformly distribute the said gas or liquid.
JP24453496A 1996-09-17 1996-09-17 Union restricting orifice and filtration device Pending JPH1085562A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24453496A JPH1085562A (en) 1996-09-17 1996-09-17 Union restricting orifice and filtration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24453496A JPH1085562A (en) 1996-09-17 1996-09-17 Union restricting orifice and filtration device

Publications (1)

Publication Number Publication Date
JPH1085562A true JPH1085562A (en) 1998-04-07

Family

ID=17120133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24453496A Pending JPH1085562A (en) 1996-09-17 1996-09-17 Union restricting orifice and filtration device

Country Status (1)

Country Link
JP (1) JPH1085562A (en)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002525197A (en) * 1998-09-25 2002-08-13 ユー・エス・フィルター・ウェイストウォーター・グループ・インコーポレイテッド The method of cleaning device and cleaning the filtration membrane module
WO2007100053A1 (en) * 2006-03-02 2007-09-07 Nippon Steel Corporation Hot-forming die, press-forming device, and hot press-forming method
US8182687B2 (en) 2002-06-18 2012-05-22 Siemens Industry, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
JP2012154399A (en) * 2011-01-25 2012-08-16 Chugoku Electric Power Co Inc:The Flow rate throttling apparatus
US8268176B2 (en) 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
US8287743B2 (en) 2007-05-29 2012-10-16 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US8318028B2 (en) 2007-04-02 2012-11-27 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US8377305B2 (en) 2004-09-15 2013-02-19 Siemens Industry, Inc. Continuously variable aeration
US8382981B2 (en) 2008-07-24 2013-02-26 Siemens Industry, Inc. Frame system for membrane filtration modules
US8858796B2 (en) 2005-08-22 2014-10-14 Evoqua Water Technologies Llc Assembly for water filtration using a tube manifold to minimise backwash
US8956464B2 (en) 2009-06-11 2015-02-17 Evoqua Water Technologies Llc Method of cleaning membranes
US9022224B2 (en) 2010-09-24 2015-05-05 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
JP2016200202A (en) * 2015-04-09 2016-12-01 ブリヂストンフローテック株式会社 Pipe joint
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement
US9675938B2 (en) 2005-04-29 2017-06-13 Evoqua Water Technologies Llc Chemical clean for membrane filter
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US9764289B2 (en) 2012-09-26 2017-09-19 Evoqua Water Technologies Llc Membrane securement device
US9815027B2 (en) 2012-09-27 2017-11-14 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
US9914097B2 (en) 2010-04-30 2018-03-13 Evoqua Water Technologies Llc Fluid flow distribution device
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a filtration system
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002525197A (en) * 1998-09-25 2002-08-13 ユー・エス・フィルター・ウェイストウォーター・グループ・インコーポレイテッド The method of cleaning device and cleaning the filtration membrane module
US8182687B2 (en) 2002-06-18 2012-05-22 Siemens Industry, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
US8268176B2 (en) 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
US8377305B2 (en) 2004-09-15 2013-02-19 Siemens Industry, Inc. Continuously variable aeration
US9675938B2 (en) 2005-04-29 2017-06-13 Evoqua Water Technologies Llc Chemical clean for membrane filter
US8894858B1 (en) 2005-08-22 2014-11-25 Evoqua Water Technologies Llc Method and assembly for water filtration using a tube manifold to minimize backwash
US8858796B2 (en) 2005-08-22 2014-10-14 Evoqua Water Technologies Llc Assembly for water filtration using a tube manifold to minimise backwash
WO2007100053A1 (en) * 2006-03-02 2007-09-07 Nippon Steel Corporation Hot-forming die, press-forming device, and hot press-forming method
JP2007229772A (en) * 2006-03-02 2007-09-13 Nippon Steel Corp Hot forming die, press forming apparatus, and hot press forming method
US8291740B2 (en) 2006-03-02 2012-10-23 Nippon Steel Corporation Hot forming die, press forming apparatus, and hot press forming method
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US8318028B2 (en) 2007-04-02 2012-11-27 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US9206057B2 (en) 2007-05-29 2015-12-08 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
US8840783B2 (en) 2007-05-29 2014-09-23 Evoqua Water Technologies Llc Water treatment membrane cleaning with pulsed airlift pump
US8372276B2 (en) 2007-05-29 2013-02-12 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
US8287743B2 (en) 2007-05-29 2012-10-16 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
US9573824B2 (en) 2007-05-29 2017-02-21 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
US8382981B2 (en) 2008-07-24 2013-02-26 Siemens Industry, Inc. Frame system for membrane filtration modules
US9023206B2 (en) 2008-07-24 2015-05-05 Evoqua Water Technologies Llc Frame system for membrane filtration modules
US8956464B2 (en) 2009-06-11 2015-02-17 Evoqua Water Technologies Llc Method of cleaning membranes
US10441920B2 (en) 2010-04-30 2019-10-15 Evoqua Water Technologies Llc Fluid flow distribution device
US9914097B2 (en) 2010-04-30 2018-03-13 Evoqua Water Technologies Llc Fluid flow distribution device
US9630147B2 (en) 2010-09-24 2017-04-25 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US9022224B2 (en) 2010-09-24 2015-05-05 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
JP2012154399A (en) * 2011-01-25 2012-08-16 Chugoku Electric Power Co Inc:The Flow rate throttling apparatus
US10391432B2 (en) 2011-09-30 2019-08-27 Evoqua Water Technologies Llc Manifold arrangement
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a filtration system
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
US9764289B2 (en) 2012-09-26 2017-09-19 Evoqua Water Technologies Llc Membrane securement device
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
US9815027B2 (en) 2012-09-27 2017-11-14 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
JP2016200202A (en) * 2015-04-09 2016-12-01 ブリヂストンフローテック株式会社 Pipe joint
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system

Similar Documents

Publication Publication Date Title
US6436282B1 (en) Flow control module for RO water treatment system
US4645601A (en) Quick change reverse osmosis assembly
JP3274140B2 (en) Remaining liquid volume less the volume filter assembly
US5888401A (en) Method and apparatus for reducing membrane fouling
CN1304084C (en) Swivelling filter head assembly
US5443726A (en) Self-cleaning filter assembly
US20090101579A1 (en) Hollow Fiber Membrane Module, Hollow Fiber Membrane Module Unit, Membrane Filtration Device Using the Same, and Method of Operating the Same
EP0477954B1 (en) Iodine resin/carbon water purification system
US5679249A (en) Dynamic filter system
CA1065261A (en) Continuous filtering process with rotating disk cleaner and a filter therefor
US5328604A (en) Filter system having bottom manifold and means for causing filter rotation
DE69934701T2 (en) Process for the treatment of fluids
RU2333786C2 (en) Method of cleaning of gas turbine air intake filter system and filtering element
US5026477A (en) Water purifying combination and ultraviolet lamp therefor
US6432310B1 (en) Methods of running and washing spiral wound membrane module
US4158629A (en) Dynamic self-cleaning filter for liquids
DE10209170C1 (en) Mechanically cleaning hollow fiber membranes comprises forming hollow fibers into bundles, vertically joining together on their opposite-lying ends, and grasping in center to set at angle
DE69632115T2 (en) Device for treating a fluid and method for forming a separated fluid
JP3704544B2 (en) Washing of the hollow fiber membrane
JP3436026B2 (en) The hollow fiber membrane module
US5536403A (en) Liquid purification system with microfiltration means, disinfection means and adsorption means
JP4369153B2 (en) Membrane separation device and membrane separation method
US20030196947A1 (en) Filter cartridge assembly with brine seal and retaining ring
CN1344582A (en) filter device
JP2003019406A (en) Filter for liquid, in particular internal-combustion engine lubricant oil

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20040414

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060704

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060901

A131 Notification of reasons for refusal

Effective date: 20070123

Free format text: JAPANESE INTERMEDIATE CODE: A131

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070320

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070508