WO2013094533A1 - 中空糸膜モジュールおよびこれに用いられるケーシング筒 - Google Patents
中空糸膜モジュールおよびこれに用いられるケーシング筒 Download PDFInfo
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- WO2013094533A1 WO2013094533A1 PCT/JP2012/082510 JP2012082510W WO2013094533A1 WO 2013094533 A1 WO2013094533 A1 WO 2013094533A1 JP 2012082510 W JP2012082510 W JP 2012082510W WO 2013094533 A1 WO2013094533 A1 WO 2013094533A1
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- WIPO (PCT)
- Prior art keywords
- baffle plate
- hollow fiber
- fiber membrane
- nozzle
- casing cylinder
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
- A61M1/1623—Disposition or location of membranes relative to fluids
- A61M1/1627—Dialyser of the inside perfusion type, i.e. blood flow inside hollow membrane fibres or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/02—Specific tightening or locking mechanisms
- B01D2313/025—Specific membrane holders
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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
- B01D2313/08—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
- B01D2313/10—Specific supply elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/12—Specific discharge elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/20—Specific housing
- B01D2313/201—Closed housing, vessels or containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/20—Specific housing
- B01D2313/205—Specific housing characterised by the shape
-
- 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
Definitions
- the present invention relates to a hollow fiber membrane module used for artificial blood dialysis, a blood treatment device necessary for blood filtration, a water purifier, a gas separation membrane and the like, and a casing cylinder used therefor.
- Hollow fiber membrane modules that perform filtration and dialysis of substances using treatment liquid and liquid to be treated can have a large effective membrane area per unit volume, so far water treatment related to microfiltration, ultrafiltration, nitrogen, oxygen, It is used in many fields such as gas separation such as hydrogen, chemicals, and biotechnology, and is particularly preferably used as a blood treatment device (hereinafter referred to as dialyzer) such as hemodialysis and blood filtration.
- dialyzer a blood treatment device
- the dialyzer includes a casing cylinder 10 having a processing liquid inlet nozzle 11 at one end and a processing liquid outlet nozzle 12 at the other end, and a hollow fiber membrane bundle housed in the casing cylinder 10. 5 and partition walls 3 and 6 that fix the hollow fiber membrane bundle 5 to the inner wall of the casing cylinder 10 at each end, and header members 1 and 8 are formed on the outer surfaces of the partition walls 3 and 6.
- the hollow fiber membrane bundle 5 is attached to both ends of the casing cylinder 10 so as to surround the entire hollow opening surfaces 4 and 7.
- the header members 1 and 8 are provided with a liquid inlet nozzle 2 and a liquid outlet nozzle 9.
- the dialyzer as described above allows blood to flow inside the hollow fiber membrane and flow dialysate to the outside of the hollow fiber, thereby allowing blood to pass through the hollow fiber membrane by filtration due to pressure difference or diffusion due to concentration difference.
- Substances to be removed such as uremic toxins and ⁇ 2 microglobulin can be moved to the dialysate side to purify the blood. That is, the blood that has flowed from the liquid inlet nozzle 2 of the header member 1 flows into the hollow fiber membrane from the hollow opening surface 4 of the partition wall 3, flows inside the hollow fiber membrane, and reaches the partition wall 6 at the other end. Out of the hollow opening surface 7 and out of the liquid outlet nozzle 9 to be processed provided in the header member 8.
- the dialysate flowing from the treatment liquid inlet nozzle 11 of the casing cylinder 10 flows outside the hollow fiber membrane and flows out from the treatment liquid outlet nozzle 12.
- FIG. 6 it is common to use a so-called counter flow in which the flow direction of the liquid to be treated and the treatment liquid are opposed to each other. By doing so, the material exchange through the hollow fiber membrane is favorably performed.
- Patent Document 1 discloses a technique for improving the flow of a processing liquid by devising a gap between one side portion of a baffle plate provided at a processing liquid inflow portion and a case inner peripheral surface.
- the treatment liquid that has collided with the baffle plate directly under the nozzle is guided in one direction to the inner circumference of the casing cylinder, and then circulates around the inner circumferential surface of the casing cross section, and finally collides with the wall of the closed baffle plate.
- Patent Document 2 a plurality of baffle plates are arranged over the entire circumference near the end of the casing cylinder, and slits extending in a direction oblique to the cylinder axis of the casing cylinder are provided between the baffle plates.
- An object of the present invention is to provide an industrially employable hollow fiber membrane module and a casing cylinder used therefor, which can make the treatment liquid flow rate more uniform in view of the above-mentioned problems of the prior art. is there.
- the present invention is intended to achieve the above object, and is characterized by one of the following configurations.
- a casing cylinder provided with a treatment liquid inlet and outlet nozzle, a hollow fiber membrane bundle that is arranged in one direction in a casing cylinder, and both ends of the hollow fiber membrane bundle are hollow fibers on the inner wall of the casing cylinder.
- a partition member that is fixed so that the hollow portion of the membrane is open, a header member that surrounds the open end face of the hollow fiber membrane bundle and is attached to both ends of the casing cylinder, and includes a liquid inlet nozzle and an outlet nozzle to be processed;
- a hollow fiber membrane module having an upper baffle plate provided directly below a processing liquid inlet nozzle in the casing cylinder, with a predetermined gap from an inner opening of the processing liquid inlet nozzle of the casing cylinder, and A lower baffle plate provided at a position which is line-symmetric with respect to the axis line of the upper baffle plate and the cylinder axis, and between the upper baffle plate and the lower baffle plate on the inner periphery of the casing cylinder
- the hollow fiber membrane module wherein a baffle plate is not present.
- a casing cylinder provided with a processing liquid inlet nozzle and an outlet nozzle on the side of the body part, which is used for a hollow fiber membrane module, and is disposed immediately below the processing liquid inlet nozzle inside the casing cylinder.
- An upper baffle plate provided at a predetermined gap from the inner opening of the nozzle, and a lower baffle plate provided at a position that is line-symmetric with respect to the axis of the upper baffle plate and the cylinder axis, and the upper baffle plate Covers a nozzle inner opening when the nozzle is viewed from below, and there is no baffle plate between the upper baffle plate and the lower baffle plate on the inner periphery of the casing tube.
- the upper baffle plate is provided at the same position as the upper baffle plate existing in the conventional dialyzer according to FIG.
- the lower baffle plate is provided at a position that is line-symmetric with respect to the axis line of the upper baffle plate and the cylinder axis.
- the position that is line-symmetric with respect to the axis of the cylinder axis will be described in detail later, but is not limited to the case where the upper baffle plate and the lower baffle plate are accurately in a line-symmetrical positional relationship,
- the shape and size of the lower baffle plate are not limited to the same as the upper baffle plate.
- the predetermined gap is not limited to a certain range, and may vary depending on the size of the module.
- the gap S defined as described below is a distance that does not block the inner opening of the processing liquid nozzle. It is sufficient that minutes are provided.
- the gap S ′ with the inner peripheral surface of the casing cylinder described later has the same distance as the gap S. It is good to provide. Therefore, in the case of a general dialyzer, S and S ′ are preferably 2 mm or more, and more preferably 3 mm or more. Further, S and S ′ are preferably 6 mm or less, and more preferably 5 mm or less.
- the upper baffle plate covers the nozzle inner opening when the processing liquid inlet nozzle is viewed from below so that the processing liquid collides and flows in the inner peripheral direction of the casing cylinder.
- baffle plate there is no baffle plate between the upper baffle plate and the lower baffle plate in the inner periphery of the casing cylinder. That is, as shown in FIG. 3, there is no baffle plate other than one upper baffle plate and one lower baffle plate in the cross section immediately under the treatment liquid nozzle inlet.
- the lower baffle plate is preferably disposed below both the treatment liquid inlet and the outlet nozzle together with the upper baffle plate.
- the inner diameter of the treatment liquid inlet nozzle is di and the lengths in the longitudinal direction of the upper baffle plate and the lower baffle plate below the treatment liquid inlet nozzle when viewed from the module cross-sectional direction are Wi1 and Wi2, respectively, di ⁇ Wi1 ⁇ It is preferable that the relationship of 3di, di ⁇ Wi2 ⁇ 3di holds. If the inner diameter of the outlet nozzle is do, Similarly, when the inner diameter of the treatment liquid outlet nozzle is do, and the lengths of the upper baffle plate and the lower baffle plate below the treatment liquid outlet nozzle corresponding to the Wi1 and Wi2 are Wo1 and Wo2, respectively, do ⁇ Wo1 ⁇ 3do. , Do ⁇ Wo2 ⁇ 3do is preferably satisfied.
- the upper baffle plate is disposed directly below the processing liquid nozzle in the casing cylinder from the inner opening of the processing liquid inlet nozzle, and the upper baffle plate is aligned with the axis of the cylinder axis. Since the lower baffle plate is arranged at a symmetrical position, when the processing liquid is introduced from the processing liquid inlet nozzle, the processing liquid is dispersed in the circumferential direction by the upper baffle plate directly below the processing liquid inlet nozzle, and the inner circumference of the casing cylinder After being guided to the surface, it merges at a position facing the processing liquid inlet nozzle, but the processing liquid diffuses to the surroundings by colliding with the lower baffle plate, so the flow velocity does not increase. As a result, the flow of the processing liquid becomes more uniform. And the performance improvement can be aimed at because the flow of the processing liquid in the hollow fiber membrane module becomes uniform.
- FIG. 1 is a schematic longitudinal sectional view of a hollow fiber membrane module according to an embodiment of the present invention.
- FIG. 2 is a schematic partial longitudinal sectional view showing an end portion having a dialysate inlet nozzle in the hollow fiber membrane module shown in FIG.
- FIG. 3 is a schematic partial cross-sectional view of the hollow fiber membrane module shown in FIG. 2 at the end where the treatment liquid inlet nozzle is present, taken along the line AA.
- FIG. 4 is a schematic partial cross-sectional view of the hollow fiber membrane module shown in FIG. 1, cut along the circumference of the casing cylinder at the end where the treatment liquid inlet and outlet nozzles are provided, and the hollow fiber membrane bundle 5 is removed. is there.
- FIG. 1 is a schematic longitudinal sectional view of a hollow fiber membrane module according to an embodiment of the present invention.
- FIG. 2 is a schematic partial longitudinal sectional view showing an end portion having a dialysate inlet nozzle in the hollow fiber membrane module shown in FIG.
- FIG. 3 is
- FIG. 5 is a schematic partial longitudinal sectional view showing one end of the casing cylinder from which the yarn bundle 5, the partition wall 6, and the header 8 are removed in the hollow fiber membrane module shown in FIG.
- FIG. 6 is a schematic longitudinal sectional view of a conventional hollow fiber membrane module.
- FIG. 7 is a schematic partial cross-sectional view of the hollow fiber membrane module shown in FIG. 6 at the end where the treatment liquid inlet nozzle is located along the circumference of the casing cylinder.
- FIG. 1 shows an example of the hollow fiber membrane module of the present invention.
- a hollow fiber membrane module includes a casing tube 10, a hollow fiber membrane bundle 5 housed in the casing tube 10, and both ends of the hollow fiber membrane bundle 5 on the inner wall of the casing tube 10. From the partition walls 3 and 6 that are fixed so as to open, the header member 1 attached to one end of the casing cylinder 10, the header member 8 attached to the other end of the casing cylinder 10 and the like It is configured.
- the casing cylinder 10 is a cylindrical member in which the hollow fiber membrane bundle 5 is housed, and includes a processing liquid inlet nozzle 11 at a location near one end on the side of the body portion, and a processing liquid at a location near the other end.
- An outlet nozzle 12 is provided.
- a casing cylinder made of plastic such as polypropylene, polyethylene, polytetrafluoroethylene, polyester, polycarbonate, or ABS (acrylonitrile-butadiene-styrene) is preferably used.
- the hollow fiber membrane bundle 5 is built in the casing cylinder 10 in a state where a plurality of hollow fiber membranes (semi-permeable membranes) are aligned in one direction (the cylinder axis direction of the casing cylinder 10). It is being fixed to the inner wall of the casing cylinder 10 so that a hollow part may open by the partition 3 and 6.
- the hollow fiber membrane is not particularly limited, but a hollow fiber membrane made of a material such as acrylic, polysulfone, polyethersulfone, cellulose, triacetate, polyethylene and polypropylene is preferably used.
- the partition walls 3 and 6 fix the hollow fiber membrane bundle at both ends of the casing cylinder, and separate the treatment liquid and the region where the treatment liquid flows when used as a hollow fiber membrane module.
- a polymer material such as polyurethane, silicone, or epoxy (in other words, a two-component mixed curing type polymer adhesive) is cast.
- the header member 1 is attached to one end of the casing cylinder, and the header member 8 is attached to the other end.
- the header member 1 includes a liquid inlet nozzle 2 and is attached to one end of the casing cylinder 10 so as to surround the hollow opening end surface 4 of the hollow fiber membrane.
- the header member 8 includes a liquid outlet nozzle 9 to be treated, and is attached to the other end so as to surround the hollow opening end surface 7 of the hollow fiber membrane.
- the header members 1 and 8 are preferably liquid-tightly attached to both ends of the casing cylinder 10.
- the header members 1 and 8 can be made of the same material as the casing cylinder 10.
- an upper baffle plate 13 is provided immediately below the processing liquid inlet nozzle 11
- an upper baffle plate 14 is provided immediately below the processing liquid outlet nozzle 12.
- the lower baffle plate 15 is provided at a position that is line-symmetric with respect to the upper baffle plate 13 and the axis of the cylinder axis just below the treatment liquid inlet nozzle.
- the lower baffle plate 16 is provided at a position that is line-symmetric with respect to the upper baffle plate 14 and the axis of the cylinder axis immediately below the processing liquid outlet nozzle.
- the cylinder axis is an axis that passes through the center point of the cross section perpendicular to the direction in which the hollow fiber membrane bundles are aligned in the casing cylinder, and that the axis is symmetrical with respect to the axis of the cylinder axis.
- the baffle plate and the lower baffle plate are in exactly line-symmetrical positional relationship with respect to the axis of the cylinder axis, but 70% or more of the range of positions in which the baffle plate is accurately line-symmetrical with respect to one baffle plate It suffices if the baffle plate occupies, preferably 80% or more of the other baffle plate, more preferably 90% or more.
- the shape and size may be different between the two. As shown in FIG.
- the upper baffle plates 13 and 14 are provided with a predetermined gap S from the inner opening 17 of the treatment liquid nozzle of the casing cylinder.
- the gap S indicates the shortest distance from the position on the casing end side of the inner opening of the treatment liquid nozzle to the upper baffle plate.
- the gap S ′ in the lower baffle plate indicates the shortest distance from the casing cylinder inner peripheral surface to the lower baffle plate in the same casing cross section as the position on the casing end side of the inner opening of the processing liquid nozzle. .
- S and S ′ are preferably 2 mm or more, and more preferably 3 mm or more.
- S and S ′ are preferably 6 mm or less, and more preferably 5 mm or less.
- the treatment liquid nozzle is disposed in the vicinity of both end portions where the inner diameter of the casing expands, and the upper and lower baffles have the casing inner peripheral surface where the diameter starts increasing as the base end portion, and the tip thereof The part extends toward the casing end.
- the inner circumference of the casing cylinder referred to herein is the circumference inside the casing cylinder where there is an upper and lower baffle provided with a predetermined gap S from the inner circumferential surface as shown as an inner circumference 18 in FIG. It refers to the range including the vicinity of the vicinity.
- the upper baffle plates 13 and 14 are preferably formed in a size that covers the inner openings of the respective nozzles when the treatment liquid inlet and outlet nozzles are viewed from below.
- looking at the nozzle from below means that the nozzle tip is in the upward direction and the nozzle inner opening is seen from directly below, and when the hollow fiber membrane is inserted in the module, the casing is not transparent, etc. If it is difficult to see the nozzle from below, it can be confirmed from the top that the upper baffle plate covers the inner opening of the nozzle.
- the processing liquid collides with the upper baffle plate and has a function of being dispersed in the inner peripheral direction of the casing cylinder.
- tip of the upper baffle plates 13 and 14 and the lower baffle plates 15 and 16 is extended toward a partition.
- the lengths of the upper baffle plate and the lower baffle plate in the direction perpendicular to the axis of the treatment liquid nozzle are W1 and W2, respectively.
- D, and the length of the baffle plate under the processing liquid inlet nozzle is Wi1 and Wi2, respectively.
- Wi1 guides the processing liquid flowing into the inner peripheral surface of the casing cylinder, and the processing liquid flow is uniform. Therefore, it is preferable that di ⁇ Wi1 ⁇ 3di with respect to the inner diameter di of the casing inner peripheral surface of the treatment liquid inlet nozzle.
- the width Wi2 of the lower baffle plates 15 and 16 includes variations in the processing liquid merging position at a position facing directly below the processing liquid nozzle due to uneven flow velocity in the processing liquid inlet nozzle, and makes the processing liquid flow uniform. Therefore, it is preferable that di ⁇ Wi2 ⁇ 3di with respect to the inner diameter di.
- the casing cylinder becomes symmetrical, so the direction of the case in the manufacturing process
- the lengths of the upper baffle plate and the lower baffle plate in the direction perpendicular to the axis of the processing liquid nozzle are Wo1 and Wo2, respectively.
- W2 need not be equal to W1.
- a casing cylinder made of polycarbonate and a polysulfone hollow fiber membrane disclosed in Example 1 of Japanese Patent Laid-Open No. 2001-170172 were prepared.
- the hollow fiber membrane bundle was loaded into the casing cylinder from the cylinder axis direction. Thereafter, a casting cap is put on, and the hollow portion at the end of the hollow fiber membrane bundle is sealed with a resin by a centrifugal potting method (under a centrifugal force of about 80 G), a partition is formed, and both ends of the hollow fiber membrane bundle are formed.
- the part was bonded to the inner wall of the casing cylinder with a potting material.
- the potting material was urethane resin.
- the casting cap was removed, and both ends were cut with sharp blades to open and expose the center of the hollow fiber membrane on the end faces of the partition walls. Then, in order to form a manifold in the both ends of a casing cylinder, the header member was joined by ultrasonic bonding, respectively.
- the casing cylinder was 285 mm in length in the cylinder axis direction, and the inner diameter d of the treatment liquid inlet and outlet nozzle of the casing cylinder was 8 mm.
- the inner diameter is enlarged near both end portions of the casing, and the treatment liquid inlet and outlet nozzles are arranged in the enlarged diameter portion.
- an upper baffle plate whose tip is extended toward the end of the casing is provided with 3 mm as a gap S from the inner opening of each nozzle, and when the treatment liquid nozzle hole is viewed from below, the inner opening of the nozzle is formed.
- All the upper baffle plates had a width W1 of 13 mm.
- a lower baffle plate was disposed at a position that is line-symmetric with respect to the axis line of the upper baffle plate and the cylinder axis.
- the lower baffle plate like the upper baffle plate, has a casing inner peripheral surface where the diameter starts to be enlarged as a base end portion, and a tip end portion thereof extends toward the casing end portion.
- the width W2 of the lower baffle plate is set to 13 mm which is the same as the width W1 of the upper baffle plate, and the clearance S ′ from the inner peripheral surface of the casing is set to 3 mm.
- a blood purifier was obtained (Example 1).
- the header member was made of polycarbonate, which is the same material as the casing cylinder.
- a general dialyzer was obtained in the same manner as in Example 1 except that the lower baffle plate was not disposed on both the treatment liquid inlet and outlet sides (Comparative Example 1).
- a plurality of baffle plates are arranged on the entire circumference with a gap of 3 mm from the inner opening of the treatment liquid inlet nozzle of the casing cylinder, and a slit extending in a direction oblique to the cylinder axis of the casing cylinder between the baffle plates
- the dialyzer which provided was also obtained (Comparative Example 2).
- the hollow fiber membrane module according to the present invention or the casing cylinder used therein is used for blood purification as described above, and particularly preferably used as a dialyzer for artificial dialysis.
- the present invention can also be applied to the structure of a hollow fiber membrane module or the like used in a fuel cell humidifier or the like.
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Abstract
Description
1.処理液入口、出口ノズルを備えたケーシング筒と、一方向に引き揃えられた状態でケーシング筒に内装されている中空糸膜束と、中空糸膜束の両端部をケーシング筒の内壁に中空糸膜の中空部が開口するように固定している隔壁と、中空糸膜束の開口端面を包囲し、ケーシング筒の両端部に取り付けられる、被処理液入口ノズル、出口ノズルを備えたヘッダー部材とを有する中空糸膜モジュールであって、前記ケーシング筒の内部における処理液入口ノズル直下に、前記ケーシング筒の処理液入口ノズルの内側開口から所定の隙間を隔てて設けられた上バッフル板と、前記上バッフル板と筒軸の軸線に関して線対称となる位置に設けられた下バッフル板を備えており、前記ケーシング筒の内周において前記上バッフル板と下バッフル板との間にバッフル板が存在しないことを特徴とする中空糸膜モジュール。
2.中空糸膜モジュールに用いられる、胴体部側方に処理液入口ノズル、出口ノズルを備えたケーシング筒であって、前記ケーシング筒の内部における処理液入口ノズルの直下に、前記ケーシング筒の処理液入口ノズルの内側開口から所定の隙間を隔てて設けられた上バッフル板と、前記上バッフル板と筒軸の軸線に関して線対称となる位置に設けられた下バッフル板を備えており、前記上バッフル板はノズルを下から見たときにノズル内側開口を覆っており、前記ケーシング筒の内周において前記上バッフル板と下バッフル板との間にバッフル板が存在しないことを特徴とするケーシング筒。
出口ノズル内径をdoとすると、
同様に、処理液出口ノズルの内径をdo、上記Wi1、Wi2に対応する処理液出口ノズル下方の上バッフル板、下バッフル板の長さをそれぞれWo1、Wo2とすると、do≦Wo1≦3doであり、do≦Wo2≦3doの関係が成り立つことが好ましい。
その後、注型キャップを被せ、遠心ポッティング方法(約80Gの遠心力下)で中空糸膜束の端部の中空部を樹脂で封止してから、隔壁を形成し、中空糸膜束の両端部をケーシング筒の内壁にポッティング材で接着した。ポッティング材は、ウレタン樹脂を使用した。隔壁が固化した後に注型キャップを取り外し、両端部を鋭利な刃物で切断して隔壁の端面に中空糸膜の中央部を開口、露出させた。その後、ケーシング筒の両端部にマニホールドを形成するために、ヘッダー部材をそれぞれ超音波接着で接合した。このとき、ケーシング筒は、筒軸方向長さ285mmとし、ケーシング筒の処理液入口、出口ノズルの内径dは8mmとした。また、ケーシングの両端部付近では内径が拡径しており、かかる拡径部に処理液入口、出口ノズルが配置され、それぞれの直下には、拡径し始めるところのケーシング内周面を基端部として、その先端部がケーシング端部に向けて延びる上バッフル板を、それぞれのノズルの内側開口からの隙間Sとして3mmを設け、処理液ノズル孔を下から見たときにノズルの内側開口を覆うように配置した。いずれの上バッフル板も幅W1が13mmであった。さらに、該上バッフル板と筒軸の軸線に関して線対称となる位置に、下バッフル板を配置した。下バッフル板は、上バッフル板と同様、拡径し始めるところのケーシング内周面を基端部として、その先端部がケーシング端部に向けて延びるものとした。また、ケーシング筒の樹脂成形を容易にするため、下バッフル板の幅W2は、上バッフル板の幅W1と同じ13mmとして、さらに、ケーシング内周面からの隙間S’は3mmとして、本発明の血液浄化器を得た(実施例1)。なお、ヘッダー部材の材質は、ケーシング筒と同じ材質のポリカーボネートを使用した。
2 被処理液入口ノズル
3 隔壁
4 中空部開口端面
5 中空糸膜束
6 隔壁
7 中空部開口端面
8 ヘッダー部材
9 被処理液出口ノズル
10 ケーシング筒
11 処理液入口ノズル
12 処理液出口ノズル
13 上バッフル板
14 上バッフル板
15 下バッフル板
16 下バッフル板
17 ケーシング筒の処理液ノズルの内側開口
18 ケーシング筒の内周
d 処理液ノズル内径
S ケーシング筒の処理液ノズルの内側開口のケーシング端部側の位置から上バッフル板までの最短距離
S’ケーシング筒の処理液ノズルの内側開口のケーシング端部側の位置から下バッフル板までの最短距離
W1 上バッフル板の幅
W2 下バッフル板の幅
Claims (12)
- 処理液入口、出口ノズルを備えたケーシング筒と、一方向に引き揃えられた状態でケーシング筒に内装されている中空糸膜束と、中空糸膜束の両端部をケーシング筒の内壁に中空糸膜の中空部が開口するように固定している隔壁と、中空糸膜束の開口端面を包囲し、ケーシング筒の両端部に取り付けられる、被処理液入口ノズル、出口ノズルを備えたヘッダー部材とを有する中空糸膜モジュールであって、前記ケーシング筒の内部における処理液入口ノズル直下に、前記ケーシング筒の処理液入口ノズルの内側開口から所定の隙間を隔てて設けられた上バッフル板と、前記上バッフル板と筒軸の軸線に関して線対称となる位置に設けられた下バッフル板を備えており、前記ケーシング筒の内周において前記上バッフル板と下バッフル板との間にバッフル板が存在しないことを特徴とする中空糸膜モジュール。
- 前記上バッフル板は前記ノズルを下から見たときにノズルの内側開口を覆っていることを特徴とする請求項1に記載の中空糸膜モジュール。
- 前記処理液入口ノズルの内径diに対して、前記上バッフル板の幅Wi1が、di≦Wi1≦3diであり、前記下バッフル板の幅Wi2が、di≦Wi2≦3diであることを特徴とする請求項1または2に記載の中空糸膜モジュール。
- 前記上バッフル板と前記下バッフル板が、前記処理液入口、出口ノズルの両方の下方に配置されていることを特徴とする請求項1~3のいずれかに記載の中空糸膜モジュール。
- 前記処理液出口ノズルの内径doに対して、前記上バッフル板の幅Wo1が、do≦Wo1≦3doであり、前記下バッフル板の幅Wo2が、do≦Wo2≦3doであることを特徴とする請求項4に記載の中空糸膜モジュール。
- 血液処理器に用いられることを特徴とする請求項1~5のいずれかに記載の中空糸膜モジュール。
- 中空糸膜モジュールに用いられる、胴体部側方に処理液入口ノズル、出口ノズルを備えたケーシング筒であって、前記ケーシング筒の内部における処理液入口ノズルの直下に、前記ケーシング筒の処理液入口ノズルの内側開口から所定の隙間を隔てて設けられた上バッフル板と、前記上バッフル板と筒軸の軸線に関して線対称となる位置に設けられた下バッフル板を備えており、前記上バッフル板はノズルを下から見たときにノズルの内側開口を覆っており、前記ケーシング筒の内周において前記上バッフル板と下バッフル板との間にバッフル板が存在しないことを特徴とするケーシング筒。
- 前記上バッフル板は前記ノズルを下から見たときにノズルの内側開口を覆っていることを特徴とする請求項7に記載のケーシング筒。
- 前記処理液入口ノズルまたは出口ノズルの内径diに対して、前記上バッフル板の幅Wi1が、di≦Wi1≦3diであり、前記下バッフル板の幅Wi2が、di≦Wi2≦3diであることを特徴とする請求項7または8に記載のケーシング筒。
- 前記上バッフル板と前記下バッフル板が、前記処理液入口、出口ノズルの両方の下方に配置されていることを特徴とする請求項7~9のいずれかに記載のケーシング筒。
- 前記処理液入口ノズルまたは出口ノズルの内径doに対して、前記上バッフル板の幅Wo1が、do≦Wo1≦3doであり、前記下バッフル板の幅Wo2が、do≦Wo2≦3doであることを特徴とする請求項10に記載のケーシング筒。
- 血液処理用中空糸膜モジュールに用いられることを特徴とする請求項7~11のいずれかに記載のケーシング筒。
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| KR1020147015069A KR20140115297A (ko) | 2011-12-19 | 2012-12-14 | 중공사막 모듈 및 이것에 사용되는 케이싱 통 |
| EP12861033.4A EP2796185A4 (en) | 2011-12-19 | 2012-12-14 | HOLLOW FIBER MEMBRANE MODULE AND ENVELOPE TUBE USED FOR SUCH MODULE |
| CN201280062492.6A CN103998116A (zh) | 2011-12-19 | 2012-12-14 | 中空丝膜组件及其使用的套筒 |
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| JP2011-276761 | 2011-12-19 | ||
| JP2011276761 | 2011-12-19 |
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| WO2013094533A1 true WO2013094533A1 (ja) | 2013-06-27 |
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| PCT/JP2012/082510 Ceased WO2013094533A1 (ja) | 2011-12-19 | 2012-12-14 | 中空糸膜モジュールおよびこれに用いられるケーシング筒 |
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| EP (1) | EP2796185A4 (ja) |
| JP (1) | JPWO2013094533A1 (ja) |
| KR (1) | KR20140115297A (ja) |
| CN (1) | CN103998116A (ja) |
| TW (1) | TW201334860A (ja) |
| WO (1) | WO2013094533A1 (ja) |
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| JP2016013519A (ja) * | 2014-07-02 | 2016-01-28 | 三菱化学株式会社 | 多管式分離膜モジュール |
| WO2017048224A1 (en) * | 2015-09-14 | 2017-03-23 | Labib Mohamed E | Cartridges and systems for outside-in flow in membrane-based therapies |
| US10369263B2 (en) | 2014-03-29 | 2019-08-06 | Novaflux Inc. | Blood processing cartridges and systems, and methods for extracorporeal blood therapies |
| US10399040B2 (en) | 2015-09-24 | 2019-09-03 | Novaflux Inc. | Cartridges and systems for membrane-based therapies |
| US10426884B2 (en) | 2015-06-26 | 2019-10-01 | Novaflux Inc. | Cartridges and systems for outside-in flow in membrane-based therapies |
| JP2019531186A (ja) * | 2016-10-05 | 2019-10-31 | ヌフィルトレイション エルティーディーNufiltration Ltd. | 廃棄された透析器を用いる水濾過のための装置と方法 |
| EP3102313B1 (en) * | 2014-02-03 | 2021-04-21 | Eurosider S.a.S. di Milli Ottavio & C. | Module for separating nitrogen with hollow-fibre membrane |
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| EP3508232B1 (en) * | 2016-08-31 | 2025-08-06 | Toray Industries, Inc. | Medical separation membrane, and blood purifier |
| CN106984195A (zh) * | 2017-05-23 | 2017-07-28 | 天津膜天膜科技股份有限公司 | 中空纤维纳滤膜组件 |
| JP7003685B2 (ja) * | 2018-01-24 | 2022-01-20 | 住友電気工業株式会社 | 濾過モジュール |
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| CN113871648B (zh) * | 2021-09-29 | 2023-05-30 | 杭州科百特过滤器材有限公司 | 一种燃料电池增湿器 |
| WO2024121590A1 (en) * | 2022-12-05 | 2024-06-13 | Divigas Pte Ltd | Hollow fiber membrane module for hydrogen separation |
| ES2993509B2 (es) * | 2024-05-23 | 2025-09-04 | Gs Inima Env S A U | Sistema de pretratamiento de agua de mar por ultrafiltracion |
| CN119258303B (zh) * | 2024-09-27 | 2025-04-22 | 江苏朗生生命科技有限公司 | 一种血液透析器及基于空心纤维膜的透析方法 |
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| JP2019531186A (ja) * | 2016-10-05 | 2019-10-31 | ヌフィルトレイション エルティーディーNufiltration Ltd. | 廃棄された透析器を用いる水濾過のための装置と方法 |
| JP7079776B2 (ja) | 2016-10-05 | 2022-06-02 | ヌフィルトレイション エルティーディー | 廃棄された透析器を用いる水濾過のための装置と方法 |
| US12427484B2 (en) | 2016-10-05 | 2025-09-30 | Nufiltration Ltd. | Device and method for water filtration using discarded dialyzers |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2796185A1 (en) | 2014-10-29 |
| EP2796185A4 (en) | 2015-08-05 |
| KR20140115297A (ko) | 2014-09-30 |
| TW201334860A (zh) | 2013-09-01 |
| JPWO2013094533A1 (ja) | 2015-04-27 |
| CN103998116A (zh) | 2014-08-20 |
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