WO2013129227A1 - 濾過装置 - Google Patents
濾過装置 Download PDFInfo
- Publication number
- WO2013129227A1 WO2013129227A1 PCT/JP2013/054317 JP2013054317W WO2013129227A1 WO 2013129227 A1 WO2013129227 A1 WO 2013129227A1 JP 2013054317 W JP2013054317 W JP 2013054317W WO 2013129227 A1 WO2013129227 A1 WO 2013129227A1
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- WO
- WIPO (PCT)
- Prior art keywords
- water
- membrane module
- housing case
- hollow fiber
- spacer
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/024—Hollow fibre modules with a single potted end
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/024—Hollow fibre modules with a single potted end
- B01D63/0241—Hollow fibre modules with a single potted end being U-shaped
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/04—Specific sealing means
- B01D2313/042—Adhesives or glues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/08—Flow guidance means within the module or the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/14—Specific spacers
- B01D2313/143—Specific spacers on the feed side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/14—Specific spacers
- B01D2313/146—Specific spacers on the permeate side
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/21—Specific headers, end caps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2319/00—Membrane assemblies within one housing
- B01D2319/04—Elements in parallel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2319/00—Membrane assemblies within one housing
- B01D2319/06—Use of membranes of different materials or properties within one module
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/38—Hydrophobic membranes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/026—Treating water for medical or cosmetic purposes
Definitions
- the present invention relates to a filtering device for a cleaning device, and more particularly to a filtering device used in a cleaning device for medical instruments such as an endoscope.
- Patent Document 1 a water purifier which filters the raw
- the water purifier of Patent Document 1 flows the raw water that has entered the cartridge from one end side of the cylindrical water purifier cartridge in the other end direction along the inner wall of the water purifier cartridge, and is arranged in the radial center of the other end of the water purifier cartridge.
- the activated carbon is allowed to pass, and then the hollow fiber membrane on the one end side of the water purifier cartridge is passed through the activated carbon to be supplied to the outside as purified water.
- Patent Document 2 describes a cleaning / disinfecting apparatus for medical devices.
- a filtering apparatus is also used when the cleaning liquid of such a cleaning / disinfecting apparatus is used in a circulating manner (particularly, [0025] (See FIG. 3).
- a filtering device for a cleaning liquid for medical use it is not necessary to remove chlorine, so that it is not necessary to provide activated carbon or the like, but it is desired to process a large amount of water in a short period of time.
- An object of the present invention is to provide a filtration device capable of extending the life of a hollow fiber filter.
- the present invention provides a filtration device having a housing case in which a water inlet and a water outlet are arranged on one end side, and a membrane module provided in the housing case.
- a first flow path for flowing the raw water flowing in from the water inlet to the other end side of the housing case, and the raw water flowed to the other end side of the housing case through the first flow path.
- a second flow path is provided for allowing the membrane module to pass to the water discharge section, and a spacer is disposed on the second flow path upstream of the membrane module.
- the spacer is disposed on the upstream side of the membrane module on the second flow path, and the space is formed on the upstream side of the membrane module, so that the upstream side of the membrane module is surely provided.
- Raw water can be introduced from Thereby, the membrane module can be used uniformly without unevenness, and the lifetime of the membrane module can be extended.
- the pressure loss can be reduced as compared with the case where the purification material is present on the upstream side of the membrane.
- a spacer on the upstream side of the membrane module on the second flow path to form a space here, the suspended matter separated from the membrane module can be stored in this space. Thereby, it is possible to prevent the turbidity separated from the membrane module from being captured again by the membrane module without having a place to go.
- the first flow path is provided between the membrane module and the inner wall of the housing case.
- the water that has flowed in from the water inlet is allowed to flow into the membrane module from the other end side of the housing case in the membrane module. Can do. Thereby, it can prevent that water flows in into a membrane module from the side part of a membrane module.
- the spacer is formed of a cylindrical body having a spacer water inlet opening toward the bottom surface of the housing case and a spacer water outlet opening toward one end of the housing case. .
- the raw water flowing to the bottom surface side of the housing case in the membrane module through the second flow path can be rectified by the spacer, the raw water is uniformly supplied from the end surface of the membrane module. Can be put into the water. Thereby, a membrane module can be used more uniformly.
- the membrane module is composed of a plurality of hollow fiber membranes bent in a U-shape, and each end of the plurality of hollow fiber membranes is a cylindrical or frustoconical sealing portion.
- the diameter of the inflow side end portion of the hollow fiber membrane body can be made longer than the diameter of the outflow side end portion of the hollow fiber membrane body.
- a gap can be formed between a plurality of hollow fiber membranes constituting the hollow fiber membrane body.
- the plurality of hollow fiber membranes include a hydrophilic hollow fiber membrane and a hydrophobic hollow fiber membrane.
- the air can be extracted well when the raw water passes through the membrane module. Since there is no air accumulation, filtration can be performed using the entire hollow fiber, and the life of the membrane module can be extended.
- the housing case can be connected to the external device by a coupler method when the water inlet and the water outlet are connected to the piping of the external device.
- the housing case can be connected to the external device by the coupler method, so that the housing case can be easily detached from the external device.
- work of a membrane module can be made easy.
- a water draining mechanism formed on the bottom surface of the housing case is provided.
- water can be easily drained from the housing case when the membrane module is replaced. Further, by providing a water draining mechanism on the bottom surface of the housing case, when water is drained from the housing case, turbidity accumulated in the housing case can be removed simultaneously with water draining.
- turbidity accumulated in the space in the housing case can be removed simultaneously with water draining.
- the lifetime of the hollow fiber membrane can be extended while exhibiting a high water treatment capacity. You can plan.
- FIG. 1 It is a block diagram which shows the structure of an endoscope cleaning apparatus provided with the filtration apparatus by embodiment of this invention. It is sectional drawing which shows the filtration apparatus by embodiment of this invention. It is a top view which shows the bottom cover of the housing case by embodiment of this invention. It is sectional drawing in the IV-IV cross section of FIG. It is a section perspective view of the spacer of the filtration device by the embodiment of the present invention. It is sectional drawing which shows the filtration apparatus by embodiment of this invention, and is for demonstrating the flow of the raw
- FIG. 1 is a block diagram showing a configuration of an endoscope cleaning apparatus including a filtration device according to an embodiment of the present invention.
- the endoscope cleaning apparatus 1 is configured to filter the raw water from an external general faucet to wash the endoscope.
- the filtering apparatus 3 for filtering the raw water and the filtration filtered by the filtering apparatus 3
- a tank 5 for storing water and a cleaning unit 7 for cleaning a used endoscope using the filtered water stored in the tank 5 are provided. And the water used by the washing
- FIG. 2 is a cross-sectional view showing the filtration device.
- the filtration device 3 includes a case 9 having a predetermined length, a header 11 attached to one end of the case 9, and a bottom cover 13 attached to the other end of the case 9. 15, a membrane module 17 disposed in the housing case 15, and a spacer 19 disposed between the membrane module 17 and the bottom cover 13 of the housing case 15.
- the case 9 of the housing case 15 has a substantially cylindrical shape.
- a header 11 is airtightly attached to one opening end, and a bottom lid 13 is airtightly and detachably attached to the other opening end.
- the header 11 includes a water inlet 21 for flowing raw water into the housing case 15 and a water outlet 23 for supplying filtered water to the outside of the housing case 15.
- the water inlet 21 and the water outlet 23 can be connected to a predetermined connecting portion (not shown) on the endoscope cleaning apparatus 1 side by a coupler method.
- the membrane module 17 is disposed in the housing case 15 and filters raw water flowing from the water inlet 21 of the header 11.
- the membrane module 17 includes a hollow fiber membrane body 25 formed by a plurality of hollow fiber membranes bent in a U-shape, and a holder portion 27 for holding the hollow fiber membrane body 25.
- the upper part of the holder part 27 of the membrane module 27 is joined to a water discharge pipe 29 for allowing water filtered by the hollow fiber membrane body 25 to flow toward the water discharge part 23 of the header 11.
- the water discharge pipe 29 is formed so as to be detachable from the header 11.
- the holder portion 27 of the membrane module 17 has a substantially cylindrical shape as a whole, and includes a membrane module water outlet 17 a connected to the water outlet 29 and a membrane module water inlet 17 b connected to the spacer 19. .
- the holder portion 27 defines a flow path when water passes through the membrane module 17, receives raw water to be filtered from the membrane module inlet 17b, and discharges the filtered filtered water from the membrane module outlet 17a. It is configured as follows. And the radius of the membrane module water outlet 17a is shorter than the radius of the membrane module water inlet 17b.
- a gap is formed between the membrane module 17 and the inner wall of the housing case 15, and this gap causes the raw water flowing into the water inlet portion of the header to flow toward the other end of the housing case 15 from the membrane module 17.
- a first flow path 31 for flowing is formed.
- a second flow path 33 is formed for allowing the raw water flowing through the first flow path 31 to flow through the membrane module 17 to the water discharge part 23. Has been.
- the hollow fiber membrane 25 is composed of a plurality of hollow fiber membranes.
- the outflow side end portion of the hollow fiber membrane body 25 is bonded and fixed to the holder portion 27 using a sealing portion 25b formed by a sealing agent (adhesive) mainly composed of urethane resin, epoxy resin, or the like.
- a sealing agent adheresive
- the end of the hollow fiber membrane is opened so that the passed water can be discharged.
- the hollow fiber membrane body 25 is held integrally with the holder portion 27 in such a holder portion 27, and the holder portion 27 also protrudes in accordance with the shape of the frustum-shaped sealing portion 25 b. It has a shape that tapers toward the water tube 29 side.
- the shape of the sealing part 25b may be a substantially columnar shape, and the holder part may also be a column according to the shape.
- a hollow fiber membrane body 25 is formed by fixing the tip of a membrane bundle obtained by simply bundling a plurality of hollow fiber membranes bent in a U shape with a sealant, and then cutting the end surface so that the tip is opened. It can also be obtained.
- a hollow fiber membrane knitted in a U-shaped folded band is wound up to form a columnar body, one end of the columnar body is constrained by a thread, and the other end is freely It can also be formed by making it in a state.
- each of the hollow fiber membranes has a potting portion partly cut and removed, so that the end opens toward the purified water supply port 13.
- the diameter of the water discharge side of the sealing part 25b is longer than the diameter of the inflow side end part 25b of the inflow side end part 25a of the holder part.
- hydrophilic material constituting the hollow fiber membrane 25 examples include cellulose and polyvinyl alcohol
- examples of the hydrophobic material include polyolefin (polyethylene, polypropylene, 4-methyl-1-pentene, etc.), polyether. From various materials such as polymethacrylate, polymethyl methacrylate (PMMA), polysulfone, polyacrylonitrile, fluororesin (polytetrafluoroethylene, polyvinylidene fluoride, etc.), polycarbonate, polyamide, aromatic polyamide Can be used. Furthermore, a membrane obtained by hydrophilizing the surface of a hydrophobic material (for example, polyolefin-based) hollow fiber membrane with polyvinyl alcohol or the like can also be used as the hydrophilic material.
- a hydrophobic material for example, polyolefin-based hollow fiber membrane with polyvinyl alcohol or the like can also be used as the hydrophilic material.
- hollow fiber membrane body 25 when the hollow fiber membrane body 25 is constituted, two or more kinds of hollow fiber membranes may be mixed, and it is preferable to mix a membrane made of a hydrophilic material and a membrane made of a hydrophobic material. Thereby, the air in a membrane module can be rapidly extracted.
- FIG. 3 is a top view showing the bottom cover of the housing case
- FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG.
- the bottom cover 13 of the housing case 15 has a bowl shape, and four support walls 35 are formed inside thereof.
- the bottom lid 13 is configured to be detachable from the case 9.
- Each support wall 35 formed on the bottom cover 13 is erected substantially perpendicularly from the bottom surface of the bottom cover 13 and extends radially from the vicinity of the center of the bottom surface at intervals of 90 degrees. A space through which raw water flows is formed between the support walls 35.
- the support walls 35 are not connected at the center of the bottom surface, and a space is formed between the end portions on the bottom center side of the support walls 35. This space communicates with the first flow path 31 formed between the housing case 15 and the membrane module 17, and the raw water that has flowed through the first flow path 31 flows into the space. Yes.
- a holding claw 37 for holding the spacer 19 is formed on the upper portion of each support wall 35.
- the holding claw 37 has a shape protruding upward at the center of the support wall 35.
- a drainage hole 39 is formed at the center of the bottom lid 13, that is, at the bottom of the bottom surface.
- the draining hole 39 is normally sealed by a cap 41, but communicates with the outside of the bottom lid 13 by moving the cap 41 downward.
- FIG. 5 is a cross-sectional perspective view of the spacer.
- the spacer 19 has a substantially cylindrical shape having a predetermined length, and includes a completely opened spacer outlet 43 and a bottom face 47 having a spacer inlet 45 formed in the center.
- the spacer outlet 43 has substantially the same diameter as the membrane module inlet 17b of the holder part 27 of the membrane module 17, and can be joined to the spacer 19 and the holder part 27 membrane module inlet 17b.
- the spacer inlet 45 has a diameter that allows the holding claws 37 of the four support walls 35 to be caught. When the spacer 19 is placed on the bottom lid 13, the spacer 19 is held by the bottom lid 13. It is supposed to be.
- the spacer 19 In the state where the spacer 19 is supported on the support wall 35, the spacer inlet 45 of the spacer 19 and the space between the support walls 35 communicate with each other. And the spacer 19 rectifies
- FIG. 6 The cross-sectional view of the filtration device shown in FIG. 6 is the same as that shown in FIG.
- the raw water flows into the endoscope cleaning apparatus 1 from an external water source such as a general faucet, the raw water is sent to the filtering device 3.
- the filtering device 3 When the raw water reaches the filtering device 3, it is sent from the water inlet 21 of the header 11 into the housing case 15.
- the raw water that has entered the housing case 15 flows from the header 11 toward the bottom lid 13 through the first flow path 31 between the housing case 15 and the membrane module 17 (see arrow A in FIG. 6). .
- the raw water flowing in the direction of arrow A and reaching the other end side of the housing case 15 relative to the membrane module 17 enters the second flow path 33 from the first flow path 31 and is between the spacer 19 and the housing case 15. And flows into the space between the bottom lid 13 and the spacer 19. And raw
- the raw water since the raw water is rectified in the spacer 19, the raw water flows into the membrane module 17 so as to uniformly apply pressure to the water inlet side end portion 25a of the hollow fiber membrane body 25 of the membrane module 17 (FIG. 6). (See arrow C). And the filtrate water which flowed out from the water discharge side edge part 25b of the hollow fiber membrane body 25 flows in the tank 5 in the downstream of the filtration apparatus 3 through the water discharge part 23 of the header 11 from the outflow pipe 29 of the membrane module 17, It is stored in the tank 5. And when using the washing
- FIG. 7 a filtering device in which the spacer 19 is removed from the filtering device shown in FIG. 6 is shown in FIG.
- the same reference numerals as those in FIG. 7 the raw water flowing in the direction of arrow A from an external water source such as a general faucet and reaching the other end side of the housing case 15 rather than the membrane module 17 is turbulent due to reflection on the bottom cover 13 or the like. to reduction (see the arrow D 2 in FIG. 7).
- the inflow pressure to the inlet side end portion 25a of the hollow fiber membrane body 25 of the membrane module 17 is not uniform, so that a turbulent flow is generated by vortexing at the inlet side end portion 25a. (refer to an arrow D 1 of the FIG. 7).
- the raw water that has passed through the first flow path 31 between the housing case 15 and the membrane module 17 is directly passed through the membrane without passing through the purification material or the like. Since it can be made to flow into the module 17, the pressure loss at the time of letting a purification material etc. pass can be eliminated. Thereby, a large amount of water can be filtered in a short time.
- the raw water passes through the spacer 19 before entering the membrane module 17, the flow of the raw water can be rectified in the extending direction of the spacer 19, that is, the extending direction of the membrane module 17. Thereby, raw
- turbidity accumulated in the hollow fiber membrane body 25 may be detached from the hollow fiber membrane body 25, but according to the filtration device 3 according to the present embodiment, the hollow fiber membrane body. Since the turbidity separated from 25 can be stored in the space in the spacer 19, it is possible to prevent the turbidity from returning to the membrane module 17 and reducing the filtration performance of the membrane module 17.
- the water remaining in the housing case 15 can be drained before the membrane module 17 is replaced.
- the filtration device 3 used in a special device such as an endoscope cleaning device it is necessary to drain water in the housing case 15 when the membrane module 17 is replaced.
- Such a drainage hole 39 is provided. By providing, the replacement of the membrane module 17 can be facilitated.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
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Abstract
Description
図6に示すように、一般水栓等の外部の水源から内視鏡洗浄装置1に原水が流入すると、原水は、濾過装置3に送られる。原水が濾過装置3に到達すると、ヘッダ11の入水部21からハウジングケース15内部に送られる。ハウジングケース15内に入った原水は、ハウジングケース15と膜モジュール17との間の第1の流路31を通ってヘッダ11から底蓋13の方向に向けて流れる(図6の矢印A参照)。そして矢印A方向に流れて膜モジュール17よりもハウジングケース15の他端側に到達した原水は、第1の流路31から第2の流路33に入り、スペーサ19とハウジングケース15との間を通過して、底蓋13とスペーサ19の間の空間に流れ込む。そして原水は、この空間から、第2の流路33上に配置されたスペーサ19のスペーサ流入口45を通ってスペーサ19内に流入する(図6の矢印B参照)。スペーサ19は、所定の軸方向長さを有しているので、スペーサ流入口45からスペーサ19内に流入した原水は、スペーサ19内でスペーサ19の軸方向に沿って整流される。そして原水は、スペーサ19のスペーサ流出口43から膜モジュール17に流入する。このとき原水はスペーサ19内で整流されているので、原水は、膜モジュール17の中空糸膜体25の入水側端部25aに均一に圧力を加えるように膜モジュール17内に流れ込む(図6の矢印C参照)。そして、中空糸膜体25の出水側端部25bから流出した濾過水は、膜モジュール17の流出管29からヘッダ11の出水部23を通じて、濾過装置3の下流側にあるタンク5内に流れ、タンク5内で貯留される。そして洗浄装置7の使用時には、タンク5に貯留された水が使用される。
図7に示すように、一般水栓等の外部の水源から矢印A方向に流れて膜モジュール17よりもハウジングケース15の他端側に到達した原水は、底蓋13での反射等により乱流化する(図7の矢印D2参照)。また原水が膜モジュール17に流入するとき、膜モジュール17の中空糸膜体25の入水側端部25aへの流入圧力が不均一であるので、入水側端部25aで渦を巻き乱流が発生する(図7の矢印D1参照)。
3 濾過装置
9 ケース
11 ヘッダ
13 底蓋
15 ハウジングケース
17 膜モジュール
19 スペーサ
Claims (7)
- 一端側に入水部及び出水部が配されたハウジングケースと、このハウジングケース内に備えられた膜モジュールとを有する濾過装置であって、
前記ハウジングケース内部には、前記入水部から流入した原水を前記ハウジングケースの他端側に流すための第1の流路と、
この第1の流路を通って前記ハウジングケースの他端側に流された原水を、前記膜モジュールを通過させて前記出水部まで流すための第2の流路とが設けられており、
前記第2の流路上には、前記膜モジュールよりも上流側に、スペーサが配されている、濾過装置。 - 前記第1の流路は、前記膜モジュールと前記ハウジングケースの内壁との間に設けられている、請求項1に記載の濾過装置。
- 前記スペーサは、前記ハウジングケースの底面に向けて開口したスペーサ入水口と、前記ハウジングケースの一端側に向けて開口したスペーサ出水口とを有する筒状体で構成されている、請求項1又は2に記載の濾過装置。
- 前記膜モジュールは、U字状に折り曲げられた複数本の中空糸膜で構成され、前記複数の中空糸膜の各両端が円筒状または円錐台形状の封止部で固定されている中空糸膜体と、
膜モジュール入水口、及び膜モジュール出水口を有する、中空のホルダ部とを備え、
前記中空糸膜体は、封止部が前記膜モジュール出水口に面するように前記ホルダ内に固定されており、
前記ホルダ部の膜モジュール入水口側流入側端部の直径が、前記中空糸膜体の封止部の出水口側底面の直径の直径よりも長い、請求項1乃至3の何れか1項に記載の濾過装置。 - 前記複数本の中空糸膜は、親水性中空糸膜と疎水性中空糸膜とを含む、請求項4に記載の濾過装置。
- 前記ハウジングケースは、前記入水部及び前記出水部を外部装置の配管と接続するときに、カプラー方式で前記外部装置に接続できるようになっている請求項1乃至5の何れか1項に記載の濾過装置。
- 前記ハウジングケースの底面に形成された水抜き機構を備える請求項1乃至6の何れか1項に記載の濾過装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201380011676.4A CN104144885B (zh) | 2012-02-29 | 2013-02-21 | 内窥镜清洗装置用过滤装置 |
JP2013512906A JP6241656B2 (ja) | 2012-02-29 | 2013-02-21 | 濾過装置 |
US14/378,327 US10434473B2 (en) | 2012-02-29 | 2013-02-21 | Filtration device |
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JP2012044394 | 2012-02-29 | ||
JP2012-044394 | 2012-02-29 |
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WO2013129227A1 true WO2013129227A1 (ja) | 2013-09-06 |
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PCT/JP2013/054317 WO2013129227A1 (ja) | 2012-02-29 | 2013-02-21 | 濾過装置 |
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US (1) | US10434473B2 (ja) |
JP (1) | JP6241656B2 (ja) |
CN (1) | CN104144885B (ja) |
WO (1) | WO2013129227A1 (ja) |
Cited By (1)
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Also Published As
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CN104144885A (zh) | 2014-11-12 |
US20150021254A1 (en) | 2015-01-22 |
CN104144885B (zh) | 2016-11-16 |
JP6241656B2 (ja) | 2017-12-06 |
US10434473B2 (en) | 2019-10-08 |
JPWO2013129227A1 (ja) | 2015-07-30 |
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