JPWO2014030629A1 - Filtration membrane module and manufacturing method thereof - Google Patents

Abstract

When the filtered water collecting member is coupled to the end of the ceramic filter membrane and the filtered water filtered by the ceramic filter membrane is sent to the outside through the filtered water collecting member coupled to the end of the ceramic filter membrane, Due to the difference in material between the ceramic filter membrane and the filtered water collecting member, it is difficult to firmly bond both. The ceramic filtration membrane module 1 includes a ceramic filter membrane 2 and a filtered water assembly that is coupled to at least one longitudinal end of the ceramic filter membrane 2 and collects filtered water filtered by the ceramic filter membrane 2 and takes it out to the outside. And a member 25. The ceramic filter membrane 2 and the filtered water collecting member 25 are integrally coupled by a mold member 30.

Description

  The present invention relates to a filtration membrane module used when filtering water to be treated such as river water, lake water, and various types of sewage wastewater, and a method for producing the same.

  As a filtration membrane module using a flat membrane for filtration of water to be treated, a water collecting member and a filtrate outlet are provided at least on one end side in the longitudinal direction of a flat membrane membrane having a filtration membrane on the outer surface. There is known a structure in which a filtered water collecting member provided with the above is arranged, and the filtration membrane main body and the filtered water collecting member are integrally coupled by an attractant, an adhesive, or the like.

  When the filtration membrane main body is made of a polymer resin and the filtered water collecting member is also formed of the same polymer resin as the filtration membrane main body, it is relatively easy to attract and bond both of them. In addition, it is possible to form a filtration membrane module while ensuring the bonding strength between the two. (For example, refer to Patent Document 1 and Patent Document 2).

Japanese Patent Laid-Open No. 11-76764 JP 2005-125198 A

  As described above, when the filtration membrane body and the filtration water collecting member are formed of the same polymer resin, they can be bonded relatively firmly by attracting or adhering. When the main body is made of inorganic ceramics and the filtered water collecting member is made of a polymer resin, the filter membrane main body and the filtered water collecting member are bonded together when they are bonded with an adhesive made of a polymer resin. Bond strength cannot be obtained as in the case where both are formed of a polymer resin.

  In the present invention, the filtration membrane body and the filtrate assembly member are formed of the same polymer resin by wrapping the joined portions of the filtration membrane body and the filtrate collection member together by integrally wrapping them with the mold member. Adhesive should be used not only when the filter membrane body is formed of inorganic ceramics, but also when the filtered water collecting member is formed of inorganic materials such as metals and ceramics or organic materials such as resins. In addition, a filtration membrane module and a method for manufacturing the same, which are improved in water tightness, durability, chemical resistance, and bonding strength by bonding the filtration membrane body and the filtration water collecting member more firmly than when bonded with an adhesive. Is to provide.

  The filtration membrane module according to claim 1 is connected to a filtration membrane main body having a filtration membrane on the outside and having a large number of filtration water flow passages inside, and at least one end portion in the longitudinal direction of the filtration membrane main body. A filtration water collecting member that collects and removes filtered water treated by the filtration membrane, and wraps a portion of the filtration membrane main body and the filtrate water collecting member that are coupled to each other with a mold member Were joined together.

  According to a second aspect of the present invention, in the filtration membrane module of the first aspect, a ceramic filter membrane is used for the filtration membrane main body.

  A third aspect of the present invention provides the filtration membrane module according to the first or second aspect, wherein the filtration water collecting member has a tubular water collection portion for collecting the filtrate filtered by the filtration membrane main body, and an end portion of the water collection portion. A filtered water outlet for taking out filtrated water was provided, and a long hole-like notch for fitting the end of the filtration membrane body was formed on the peripheral surface of the water collecting part.

  According to a fourth aspect of the present invention, in the filtration membrane module according to any one of the first to third aspects, the filtered water collecting member is formed of any one of metal, ceramics, or resin having mechanical strength and chemical resistance. .

  According to a fifth aspect of the present invention, in the filtration membrane module according to any one of the first to fourth aspects, the mold member is formed of a material rich in chemical resistance.

  A sixth aspect of the present invention is the filtration membrane module according to any one of the first to fifth aspects, wherein the mold member is formed of an epoxy resin or a hard urethane resin.

  In the manufacturing method of the filtration membrane module according to claim 7, the coupling member for coupling the end portion of the filtration membrane main body and the filtrate water collecting member is formed by molding.

  According to an eighth aspect of the present invention, in the method for manufacturing the filtration membrane module according to the seventh aspect, a tubular member is used as the filtrate water collecting member, and the coupling member is molded in a state where a rod-shaped seal member is inserted into the tubular member. The rod-shaped seal member was extracted from the filtered water collecting member after molding and molding.

(1) In the filtration membrane module according to claim 1, the portions to be joined to each other of the filtration membrane main body and the filtrate collecting member are wrapped and integrally joined by the mold member, so that they are joined and fixed with a conventional adhesive or the like. Compared to the above, it is possible to remarkably improve the bonding strength of the bonding portion, to improve durability and chemical resistance, and to maintain stable filtration performance over a long period of time.
Moreover, since it wraps around and integrally couple | bonds with a mold member, even when it uses a ceramic filter membrane, for example, even if it uses a ceramic filter membrane, a ceramic filter membrane and a filtrate assembly member can be firmly joined.
(2) Since the filtration membrane module of claim 2 uses a ceramic filter membrane for the filtration membrane main body, it is possible to provide a filtration membrane module having excellent filtration performance and sufficiently securing the bonding strength with the filtrate assembly member.
(3) The filtration membrane module according to claim 3 is provided with a long hole-like notch for fitting the end of the filtration membrane body on the peripheral surface of the tubular water collecting portion, and the end of the filtration membrane body in the notch Therefore, the mold member can be molded with the filtration membrane body and the filtrate assembly member positioned.
(4) In the filtration membrane module of claim 4, the filtration water collecting member is formed of a material having excellent mechanical strength and chemical resistance, so that the filtration water collecting member is prevented from being deteriorated, and the durability of the filtration membrane module is improved. Can be improved.
(5) Since the filtration membrane module of Claims 5-6 formed the mold member with what was excellent in chemical-resistance, deterioration of a mold member can be prevented and durability of a filtration membrane module can be improved.
(6) In the method of manufacturing the filtration membrane module according to claim 7, the portion for joining the filtration membrane main body and the filtrate water collecting member is inserted into the molding die, and the mold member before solidification is injected into the molding die. After that, by solidifying the mold member, the filtration membrane main body and the filtrated water collecting member can be reliably bonded.
(7) In the method of manufacturing the filtration membrane module according to claim 8, after the rod-shaped sealing member is loaded into the tubular filtrate collection member attached to the end of the filtration membrane body, the filtration membrane body and the filtration water collection member By accommodating the portion to be coupled in the molding die and forming the mold member, it is possible to prevent the mold member from entering before the solidified water collecting member is solidified. And after mold member shaping | molding, the said filtration member can be returned to the original tubular shape by extracting the said sealing member, and it can be made to function as a filtrate collection member.

The front view of the filtration membrane module of 1st Embodiment. The same side view. Sectional drawing of a ceramics filter membrane. The side view of a filtrate water collection member. The side view of the other example of a filtered water aggregation member. Explanatory drawing which shows the coupling | bonding state of the edge part of a ceramics filter membrane, and a filtration water aggregate member. Sectional drawing of a header part. The side view of a header part. The enlarged view of a footer part. Explanatory drawing which shows the state which set the filtrate collection member etc. to the metal mold | die. Explanatory drawing which shows the state which removed the header from the metal mold | die after shaping | molding. The side view of a 1st metal mold | die. A is explanatory drawing which shows an example of a sealing member, B is explanatory drawing which shows the other example of a sealing member. The front view of the membrane filter module of 2nd Embodiment. The side view of the filtration membrane module of 2nd Embodiment.

  1 to 13 show a filtration membrane module 1 of the first embodiment. In the first embodiment, FIGS. 1 and 2 show a configuration in which the filtration membrane module 1 is installed in a module unit 5 of a vertical arrangement type. FIG. 1 is a front view of the filtration membrane module 1. The filtration membrane module 1 includes a ceramic filter membrane 2 as a filtration membrane body, a header 3 attached to one end of the ceramic filter membrane 2, and a footer 4 attached to the other end of the ceramic filter membrane 2. The module unit 5 is installed using members. A filtered water collecting member 25 to be described later is assembled to the header 3.

  In the vertically arranged module unit 5 shown in FIG. 2, the filtration membrane module 1 is arranged at a predetermined interval D in a vertically long state with the header 3 facing up and the footer 4 facing down. The module unit 5 is configured as a system.

  The header 3 is supported by the header support member 7 in a state where both sides are sandwiched by the header interval holding member 6. Further, the footer 4 is supported by the footer support member 9 in a state where the lower end is fitted to the footer interval holding member 8 having a U-shaped cross section. Reference numeral 10 denotes a header upper press disposed at the upper part of the header 3, and 11 denotes a frame that supports the header upper press 10.

  FIG. 3 is a cross-sectional view of the ceramic filter membrane 2. The ceramic filter membrane 2 has a filtration membrane 21 on the outside, and a large number of filtered water flow passages 22 on the inside.

  As shown in FIGS. 1 and 2, the vertically arranged module unit 5 is arranged in the water tank 23 to be treated. And the to-be-processed water 24 in the to-be-processed water tank 23 is filtered by the ceramic filter membrane 2, and becomes treated water (henceforth, filtered water), and this filtered water is collected by the filtered water collecting member 25 in the header 3. The filtered water collecting member 25 is supplied to a filtered water conduit 27 serving as a water guiding member via a connecting pipe 26 connected to a filtered water outlet 25b at the end of the filtered water collecting member 25. Supplied to water storage tanks.

  As shown in FIGS. 4 and 5, the filtered water collecting member 25 includes a water collecting portion 25 a that receives the filtered water flowing in from the filtered water flow passage 22 of the ceramic filter membrane 2, and the filtered water from the water collecting portion 25 a to the outside. A filtered water outlet 25b is provided.

  The filtered water collecting member 25 is formed in a tubular shape (tubular shape) from an inorganic material such as metal or ceramic and an organic material such as resin. On the peripheral surface of the water collecting portion 25a, an elongated hole-like cutout portion 28 is formed extending from one end portion in the length direction toward the filtered water outlet portion 25b side, as shown in FIG. The one end portion of the ceramic filter film 2 is fitted into the elongated hole-like cutout portion 28. A connecting pipe 26 is connected to the filtered water outlet 25b as shown by a two-dot chain line in FIGS.

  The filtered water collecting member 25 is connected to the outer periphery of the filtered water outlet 25b side as shown in FIG. A pipe drop prevention stopper 25c for preventing the connection pipe 26 from dropping may be provided.

  Then, as shown in FIGS. 7 and 8, the header 3 is configured by integrally joining the water collecting portion 25 a of the filtered water collecting member 25 and one end of the ceramic filter membrane 2 so as to be wrapped by the mold member 30. The

  The material used for the mold member 30 is selected based on characteristics such as durability and chemical resistance from inorganic materials such as metals and ceramics and organic materials such as resins. Examples of the resin used for the mold member 30 include a thermosetting resin, a thermoplastic resin, a two-part curable resin, and an ultraviolet curable resin. From these resins, materials suitable for the properties of the liquid to be treated including durability are selected. More specifically, examples of the thermosetting resin include an epoxy resin, a melamine resin, and a phenol resin, and examples of the thermoplastic resin include a vinyl chloride resin, an ABS resin, a fluororesin, polyethylene, polypropylene, and polystyrene. Furthermore, as a two-component curable resin, there is a urethane resin. When a hard urethane resin is used as the urethane resin, a mold member 30 having high workability and excellent durability and chemical resistance can be formed because work at normal temperature is possible. Examples of the hard urethane resin include hydrated alumina-containing polyester polyol type urethane resin.

  Further, as shown in FIG. 9, the footer 4 is formed on the other end side of the ceramic filter membrane 2 by molding similarly to the mold member 30, and the other end of the filtered water flow passage 22 in the ceramic filter membrane 2. The side is blocked.

  The portion embedded in the mold member 30 on the outer peripheral surface of the filtered water collecting member 25 is subjected to a surface treatment for improving the bonding strength with the mold member 30, for example, a chemical treatment or a surface roughening treatment. ing.

  In addition, although the Example demonstrated the case where the ceramic filter membrane 2 was used for the filtration membrane main body which comprises the filtration membrane module 1, it is not limited to the ceramic filter membrane 2, For example, an organic hollow fiber membrane, organic A flat membrane, an inorganic flat membrane, an inorganic single tube membrane, etc. can also be used. Examples of the material of the filtration membrane main body include cellulose, polyolefin, polysulfone, PVDF (polyvinylidene fluoride), PTFE (polytetrafluoroethylene) and the like.

  Further, the shape of the filtered water collecting member 25 may be tubular (tubular), and the cross section of the filtered water collecting member 25 is not limited to a circular shape as shown in FIG. That is, a polygonal shape such as a quadrangular shape or an elliptical shape can be used as long as there is no hindrance to the connection of the connection pipe 26. In addition, when the cross-sectional shape of the filtrate collecting member 25 is other than a circle, the shape is changed so that the cross-sectional shape of the seal member 51 can be inserted and removed.

  The ceramic filtration membrane module 1 of the first embodiment is configured as described above, and the treated water filtered by the ceramic filter membrane 2 is filtered by a filtered water collecting member 25 attached to one end of the ceramic filter membrane 2. The collected water is supplied to the filtrate water conduit 27 via the connection pipe 26 connected to the filtrate water extraction portion 25b at the end of the filtrate water collecting member 25, and the filtrate water storage tank etc. via the filtrate water conduit 27 To be supplied.

  Next, a method for manufacturing the ceramic membrane filter module 1 will be described. In addition, the same code | symbol is attached | subjected to the same component as the ceramic membrane filter module 1 of the said this invention, and the overlapping description is abbreviate | omitted.

  10 and 11 show a first mold 31 and a second mold 41 used for manufacturing the ceramic membrane filter module of the present invention, and the mold member 30 of the header 3 is formed by the first mold 31. FIG. And the footer 4 is formed with the second die 41.

  As shown in FIG. 12, the 1st metal mold | die 31 consists of a pair of split mold 31a, 31b (In FIG. 10, one split mold 31b is abbreviate | omitting illustration).

  As shown in FIGS. 10 and 11, the first mold 31 includes a cavity (molding space) 32 for forming the mold part 30 between the split molds 31 a and 31 b, and the ceramic filter film 2 in the cavity 32. A membrane introduction recess 33 for introducing one end of the filter member, and a collecting member lead-out portion 34 for projecting the end of the filtrate collecting member 25 on the filtered water outlet 25b side out of the first mold 31; First and second seal packing receiving grooves 35 and 36 are provided.

  A first seal packing 37 made of an O-ring or the like is attached to the outer periphery on the lower end side of the filtered water collecting member 25. The first seal packing 37 is compressed in the first seal packing receiving groove 35 when the split molds 31 a and 31 b of the first mold 31 are clamped, so that the mold 31 and the filtered water collecting member 25 are compressed. And the molten resin in the cavity 32 is prevented from leaking outside.

  A second seal packing 38 made of a square ring or an O-ring is attached to the outer periphery of the end portion of the ceramic filter membrane 2 on the filtered water collecting member 25 side. The second seal packing 38 is compressed in the second seal packing receiving groove 36 when the split molds 31 a and 31 b of the first mold 31 are clamped, so that the mold 31 and the ceramic filter film 2 The gap is sealed to prevent the molten resin in the cavity 32 from leaking to the outside.

  As shown in FIG. 10, a rod-like seal member 51 is detachably attached inside the tubular filtrate collecting member 25, and when the mold member 30 is molded, the molten resin is contained inside the filtrate collected member 25. To intrude into.

  On the other hand, a sheet-like member (not shown) made of the same material as the sealing member 51 is previously pasted with an adhesive or the like for sealing the end of the ceramic filter membrane 2 opposite to the filtered water collecting member 25. Keep it.

  When the tip of the ceramic filter membrane 2 is fitted into the long hole-shaped notch 28, the seal member 51 does not contact the tip of the ceramic filter membrane 2 and enter the filtered water collecting member 25 more than necessary. It also functions as a stopper.

  The sealing member 51 is made of a material such as a synthetic resin having moderate elasticity, and is formed in a rod shape as shown in FIG. 13A or a rod shape having a core material 51a in the center as shown in FIG. 13B. The molten resin is prevented from entering by being inserted into the member 25.

  As shown in FIG. 10, the rod-shaped seal member 51 has a length in which the lower end of the rod-shaped seal member 51 protrudes from the lower end of the filtrate collection member 25 when the upper end thereof is inserted to reach the upper end of the filtrate collection member 25. Is formed. The rod-shaped sealing member 51 is pulled out from the filtered water collecting member 25 using the protruding portion at the lower end after the molding member 30 is formed.

  Similarly to the first mold 31, the second mold 41 includes a pair of split molds 41a and 41b. (One split mold 41b is not shown). Between these split molds 41a and 41b, a cavity (molding space) 42 for molding the footer 4; a film introduction recess 43 for introducing the other end of the ceramic filter film 2 into the cavity 42; A seal packing receiving groove 44 is provided.

  A seal packing 45 made of a square ring or an O-ring is attached to the outer periphery of the end of the ceramic filter membrane 2 opposite to the filtered water collecting member 25. The seal packing 45 is compressed in the seal packing receiving groove 44 when the split molds 41a and 41b of the second mold 41 are clamped, and seals between the mold 41 and the ceramic filter film 2, The molten resin in the cavity 42 is prevented from leaking outside.

  Then, as shown in FIG. 10, the first and second molds 31 and 41 are installed on the gantry 60, and the filtered water collecting member is attached to one end portion of the ceramic filter membrane 2 in the first mold 31. 25, the other end of the ceramic filter film 2 is set in the second mold 41, and molten resin is injected into the first and second molds 31, 41 to form the mold member 30. The footer 4 is formed.

  When the molten resin is cured, as shown in FIG. 11, the first and second molds 31, 41 are removed from the gantry 60, and the first and second molds 31, 41 are opened. Then, by pulling out the rod-shaped sealing member 51 from the filtrate collecting member 25, the ceramic filter membrane module 1 having the header 3 on one end side in the length direction of the ceramic filter membrane 2 and the footer 4 on the other end side is obtained. It is formed.

  14 to 15 show the ceramic membrane filter module 1 of the second embodiment. In the second embodiment, the ceramic filtration membrane module 1 is configured by providing headers 3 and 3 at both ends in the length direction of the ceramic filter membrane 2. The headers 3 and 3 are formed in the same manner as the header 3 of the first embodiment.

  A large number of filtration membrane modules 1 are arranged in a horizontally long shape with a predetermined distance D between the filtration membrane modules 1 to form small units 61, and these small units 61 are stacked in a multi-stage to be medium-sized or large-sized. The module horizontal arrangement unit 62 is formed. 63 is a connection bolt which connects the small units 61 stacked in multiple stages.

  A first filtered water conduit 65 is connected and disposed under the header 3 of a large number of filtration membrane modules 1 via a connector 64. Then, the filtered water filtered by each filtration membrane module 1 is collected by the first filtered water conduit 65 and passed through the second filtered water conduit 66 connected to one end of the first filtered water conduit 65. To a desired location, for example, a filtered water storage tank.

  In the ceramic membrane filter module 1 of the second embodiment, since the headers 3 and 3 are provided at both ends of the ceramic filter membrane 2, the header 3 is provided at one end in the length direction of the ceramic filter membrane 2 of the first embodiment. The filtered water can be taken out more efficiently than those provided. In addition, in the said embodiment, although the case where the ceramic filter membrane was used as a filtration membrane main body was shown, the filtration membrane main body is not limited to a ceramic filter membrane. Moreover, in the Example, although the case where resin was used as a mold member was shown, it is not limited to this.

1 ... filtration membrane module 2 ... ceramic filter membrane (filtration membrane body)
DESCRIPTION OF SYMBOLS 3 ... Header 21 ... Filtration membrane 22 ... Filtration water flow path 25 ... Filtration water collection member 28 ... Long hole-shaped notch 30 ... Mold member 31 ... 1st metal mold 41 ... 2nd metal mold 51 ... Seal member

[0002]
[0006]
In the present invention, the filtration membrane body and the filtrate assembly member are formed of the same polymer resin by wrapping the joined portions of the filtration membrane body and the filtrate collection member together by integrally wrapping them with the mold member. Adhesive should be used not only when the filter membrane body is formed of inorganic ceramics, but also when the filtered water collecting member is formed of inorganic materials such as metals and ceramics or organic materials such as resins. In addition, a filtration membrane module and a method for manufacturing the same, which are improved in water tightness, durability, chemical resistance, and bonding strength by bonding the filtration membrane body and the filtration water collecting member more firmly than when bonded with an adhesive. Is to provide.
Means for Solving the Problems [0007]
The filtration membrane module according to claim 1 is connected to a filtration membrane main body having a filtration membrane on the outside and having a large number of filtration water flow passages inside, and at least one end portion in the longitudinal direction of the filtration membrane main body. And a filtered water collecting member that collects and removes filtered water treated by the filtering membrane, and a portion of the filtered membrane body and the filtered water collecting member that are coupled to each other is connected to the filtered water collecting member. The filtration membrane main body and the filtrated water collecting member were combined by wrapping with an annular mold member together with the member.
[0008]
According to a second aspect of the present invention, in the filtration membrane module of the first aspect, a ceramic filter membrane is used for the filtration membrane main body.
[0009]
A third aspect of the present invention provides the filtration membrane module according to the first or second aspect, wherein the filtration water collecting member has a tubular water collection portion for collecting the filtrate filtered by the filtration membrane main body, and an end portion of the water collection portion. A filtered water outlet for taking out filtrated water was provided, and a long hole-like notch for fitting the end of the filtration membrane body was formed on the peripheral surface of the water collecting part.
[0010]
According to a fourth aspect of the present invention, in the filtration membrane module according to any one of the first to third aspects, the filtered water collecting member is formed of any one of metal, ceramics, or resin having mechanical strength and chemical resistance. .
[0011]
According to a fifth aspect of the present invention, in the filtration membrane module according to any one of the first to fourth aspects, the mold member is formed of a material rich in chemical resistance.
[0012]
A sixth aspect of the present invention is the filtration membrane module according to any one of the first to fifth aspects, wherein the mold member is formed of an epoxy resin or a hard urethane resin.

[0003]
[0013]
A seventh aspect of the present invention is the method of manufacturing the filtration membrane module according to any one of the first to sixth aspects, wherein a coupling member that couples the end of the filtration membrane main body and the filtrate collecting member is formed by molding.
[0014]
According to an eighth aspect of the present invention, in the method for manufacturing the filtration membrane module according to the seventh aspect, a tubular member is used as the filtrate water collecting member, and the coupling member is molded in a state where a rod-shaped seal member is inserted into the tubular member. The rod-shaped seal member was extracted from the filtered water collecting member after molding and molding.
Effect of the Invention [0015]
(1) The filtration membrane module according to claim 1, wherein the filtration membrane main body and the filtrate water collecting member are encased in an annular mold member together with the filtrate water collecting member, Since the filtered water collecting member is bonded, it is possible to remarkably improve the bonding strength of the bonded portion and improve the durability and chemical resistance as compared with the case of bonding and fixing with a conventional adhesive or the like. And stable filtration performance can be maintained over a long period of time.
Moreover, since it wraps around and integrally couple | bonds with a mold member, even when it uses a ceramic filter membrane, for example, even if it uses a ceramic filter membrane, a ceramic filter membrane and a filtrate assembly member can be firmly joined.
(2) Since the filtration membrane module of claim 2 uses a ceramic filter membrane for the filtration membrane main body, it is possible to provide a filtration membrane module having excellent filtration performance and sufficiently securing the bonding strength with the filtrate assembly member.
(3) The filtration membrane module according to claim 3 is provided with a long hole-like notch for fitting the end of the filtration membrane body on the peripheral surface of the tubular water collecting portion, and the end of the filtration membrane body in the notch Therefore, the mold member can be molded with the filtration membrane body and the filtrate assembly member positioned.
(4) In the filtration membrane module of claim 4, the filtration water collecting member is formed of a material having excellent mechanical strength and chemical resistance, so that the filtration water collecting member is prevented from being deteriorated, and the durability of the filtration membrane module is improved. Can be improved.
(5) Since the filtration membrane module of Claims 5-6 formed the mold member with what was excellent in chemical-resistance, deterioration of a mold member can be prevented and durability of a filtration membrane module can be improved.

The filtration membrane module according to claim 1 includes a filtration membrane main body having a filtration membrane on the outside and having a large number of filtration water flow passages inside, and at least one end of the filtration membrane main body in the longitudinal direction. A filtration water collecting member that collects and removes filtered water treated with a membrane, and a filtration membrane module,
The filtration membrane body and the filtrate collection member were joined by wrapping the portion of the filtration membrane body and the filtrate collection member that are coupled to each other in an annular shape together with the outer peripheral surface of the filtration water collection member.

Claims (8)

A filtration membrane main body having a filtration membrane on the outside and having a large number of filtration water flow passages inside, and filtered water that is coupled to at least one end in the longitudinal direction of the filtration membrane main body and treated with the filtration membrane A filtered water collecting member that collects and takes out, and a filtration membrane module,
The filtration membrane module, wherein the portions of the filtration membrane main body and the filtrate water collecting member that are coupled to each other are wrapped together by a mold member and coupled together. The filtration membrane module according to claim 1, wherein the filtration membrane body is a ceramic filter membrane. The filtered water collecting member includes a water collecting portion that is formed in a tubular shape and collects the filtered water filtered by the filtration membrane main body, and a filtered water extraction portion that takes out the filtered water from the water collecting portion,
3. The filtration membrane module according to claim 1, wherein the water collecting portion includes a long hole-like cutout portion that fits an end portion of the filtration membrane main body on a peripheral surface thereof. The filtration membrane module according to any one of claims 1 to 3, wherein the filtered water collecting member is formed of any material of metal, ceramics, or resin having mechanical strength and chemical resistance. . The filtration membrane module according to any one of claims 1 to 4, wherein the mold member is formed of a material having high chemical resistance. The filtration membrane module according to any one of claims 1 to 5, wherein the mold member is formed of an epoxy resin or a hard urethane resin that is rich in chemical resistance. A filtration membrane main body having a filtration membrane on the outside and having a filtration water flow passage inside, and filtrate water which is coupled to at least one end in the longitudinal direction of the filtration membrane main body and processed by the filtration membrane In a method of manufacturing a filtration membrane module comprising: a filtered water collecting member to be removed; and a coupling member that joins an end of the filtration membrane main body and the filtered water collecting member;
A method for manufacturing a filtration membrane module, wherein the coupling member is formed by molding. A tubular member is used for the filtered water collecting member, and the coupling member is molded with a rod-shaped sealing member inserted into the tubular member. After molding, the rod-shaped sealing member is removed from the filtered water collecting member. 8. The method for producing a filtration membrane module according to claim 7, wherein the filtration membrane module is extracted.

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