CN107349790B - Filter element, bonding end head and manufacturing method of filter element - Google Patents
Filter element, bonding end head and manufacturing method of filter element Download PDFInfo
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- CN107349790B CN107349790B CN201710608815.1A CN201710608815A CN107349790B CN 107349790 B CN107349790 B CN 107349790B CN 201710608815 A CN201710608815 A CN 201710608815A CN 107349790 B CN107349790 B CN 107349790B
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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
- B01D63/021—Manufacturing thereof
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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
- B01D63/021—Manufacturing thereof
- B01D63/022—Encapsulating hollow fibres
- B01D63/023—Encapsulating materials
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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
- B01D63/025—Bobbin units
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a filter element, an adhesive end for manufacturing the filter element and a manufacturing method of the filter element. The filter element comprises a filter part and a tip, the tip comprises an adhesion part and a tip cover, the adhesion part comprises a tubular structure, the tip cover is connected with one end of the tubular structure, one end of the filter part is adhered to the inside of the adhesion part, at least part of the inner wall of the adhesion part is provided with a non-smooth surface, and the filter part is adhered to the non-smooth surface. According to the filter element provided by the invention, the inner wall of the bonding part is set to be the non-smooth surface, so that the filtering part is bonded with the non-smooth surface, the reliability of connection between the filtering part and the end is improved, and the falling-off of the filtering part can be effectively avoided.
Description
Technical Field
The invention relates to the related technical field of water purifiers, in particular to a filter element, an adhesive end for manufacturing the filter element and a manufacturing method of the filter element.
Background
The hollow fiber membrane filter core has the advantages of high filtering precision, large membrane area, good filtering performance and the like, and is widely applied to water purifiers. Therefore, the filter element needs to have good reliability in application so as to ensure the filtering performance and the service life of the filter element.
At present, the hollow fiber membrane bundles and the ends are combined through glue and made into a filter element, and the following problems easily exist in the filter element manufacturing process: 1. the binding force between the glue and the hollow fiber membrane bundles and the end is not enough to easily cause the separation of the fiber membrane bundles and the end; 2. the end is generally provided with only one fiber membrane bundle, and as the membrane bundles are added more, the fiber membrane bundles are easily disordered to damage the membrane bundles, the membrane bundles or the fiber membrane bundles fall off, so that the service performance of the filter element is affected.
Disclosure of Invention
In view of the above, the present invention provides a filter element provided with a non-smooth surface provided on an inner wall of a bonding portion to improve bonding reliability of a filter portion, a bonding end for manufacturing the filter element, and a manufacturing method of the filter element.
In a first aspect, a filter element is provided, including filter element and end, the end includes bonding portion and end lid, the bonding portion includes tubular structure, the end lid is connected tubular structure's one end, the one end of filter element is glued in the bonding portion, at least part inner wall of bonding portion sets up to non-smooth face, filter element with non-smooth face bonds.
Preferably, the non-smooth surface is formed by providing grooves, protrusions, threads and/or frosting on the inner wall of the bonding portion.
Preferably, a spacer structure is also included, the spacer structure being connected to the inside of the bond, the spacer structure dividing the inside of the bond into a plurality of regions in a radial plane.
Preferably, the filter part comprises a plurality of bundles of fibre membranes, a plurality of said bundles of fibre membranes being bonded into different said regions.
Preferably, the surface of the spacer structure is provided as the non-smooth surface.
In a second aspect, an adhesive end is provided for manufacturing the filter element, where the adhesive end includes an adhesive portion and a bottom, the adhesive portion is in a cylindrical structure, the bottom is disposed at one end of the cylindrical structure, and at least a part of an inner wall of the adhesive portion is disposed as a non-smooth surface.
Preferably, the bottom is provided with a glue injection part, and the glue injection part is communicated with the inner side of the bonding end.
Preferably, the bottom is in a cover-shaped structure, and the bottom wall of the cover-shaped structure is also provided with a diversion trench.
Preferably, the non-smooth surface is provided on an end of the tubular structure adjacent the base.
Preferably, the non-smooth surface is formed by providing grooves, protrusions, threads and/or frosting on the inner wall of the bonding portion.
Preferably, the adhesive tip further comprises a spacer structure connected to the inside of the adhesive portion.
Preferably, the spacer structure divides the inside of the bond into a plurality of regions in a radial plane.
Preferably, the surface of the spacer structure is provided as the non-smooth surface.
In a third aspect, a method for manufacturing the filter element is provided, including the steps of:
taking the bonding end, inserting the first end of the filtering part into the bonding end,
injecting glue into the bonding end to finish bonding the filtering part and the bonding end,
the bottom of the bonding tip is removed,
and connecting a terminal cover at the joint of the bonding part of the bonding end head and the bottom.
According to the filter element provided by the invention, the inner wall of the bonding part is set to be the non-smooth surface, so that the filtering part is bonded with the non-smooth surface, the reliability of connection between the filtering part and the end is improved, and the falling-off of the filtering part can be effectively avoided.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 shows a schematic diagram of the filter element structure of the present invention;
FIG. 2 shows a schematic view in partial cross-section of a filter cartridge of the present invention;
FIG. 3 is a schematic front view of an adhesive tip according to the present invention
FIG. 4 is a schematic view showing the internal structure of the bonding head according to the first embodiment;
FIG. 5 is a schematic view showing the internal structure of the bonding head according to the second embodiment;
fig. 6 shows a schematic view of the structure of the auxiliary bonding part of the second embodiment;
fig. 7 shows a schematic view of the internal structure of the bonding head according to the third embodiment.
Detailed Description
The present invention is described below based on examples, but the present invention is not limited to only these examples. It will be appreciated by those of ordinary skill in the art that the drawings provided herein are for illustrative purposes and that the drawings are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1 to 2, the present invention provides a filter cartridge comprising a filter part 20 and a head 10 for fixing the filter part 20, the filter part 20 preferably being a hollow fiber membrane bundle for filtering raw water. One end of the filtering part 20 is adhered in the end head 10 by means of glue injection. The tip 10 includes an adhesive portion 110 and a tip cover 120, the adhesive portion 110 has a cylindrical structure, and the tip cover 120 is sealingly connected to a first end of the adhesive portion 110 to close the first end of the adhesive portion 110. The first end of the filtering part 20 is inserted into the bonding part 110 from one end of the bonding part 110 and is bonded in the bonding part 110 by injecting glue. A water collecting cavity 201 is disposed between the end of the filtering portion 20 and the inner wall of the end cap 120, a connection pipe 121 is disposed on the end cap 120, and the connection pipe 121 is communicated with the water collecting cavity 201, so as to communicate the water collecting cavity 201 with an external waterway.
In order to improve the connection reliability of the filter unit 20 and the bonding unit 110, an auxiliary bonding unit is provided in the bonding unit 110, and the auxiliary bonding unit increases the bonding area between the filter unit 20 and the bonding unit 110, thereby improving the bonding reliability of the fiber membrane bundles 20.
As shown in fig. 4, in a preferred embodiment, the auxiliary adhesive part 130 may include a spacing structure 131 within the adhesive part 110, the spacing structure 131 being connected to an inner wall of the adhesive part 110, preferably, the spacing structure 131 is a plate-like structure, or, in a possible embodiment, the spacing structure 131 may be provided as a rod-like structure or the like. The filter unit 20 is simultaneously adhered to the inner wall of the adhering portion 110 and the spacing structure 131, so that the adhering area of the filter unit 20 is increased, and the spacing structure 131 also plays a certain supporting role on the filter unit 20, thereby further improving the adhering reliability of the filter unit 20. In a more preferred embodiment, the inner wall of the bonding portion 110 and the side wall of the spacing structure may be made into non-smooth surfaces, so as to increase the bonding area, and make the connection more firm.
As shown in fig. 5 and 6, in another embodiment, the auxiliary bonding part 130 includes a partition plate 134, the partition plate 134 is connected to an inner wall of the bonding part 110 and divides the bonding part 110 into two parts in an axial direction thereof, a partition hole 135 is provided in the partition plate 134, and the filtering part 20 may be bonded to the bonding part 110 at one side of the partition plate 134 through the partition hole 135. Further, in this embodiment, the auxiliary adhesive portion 130 may further include the spacing structure 131, the spacing structure 131 is connected to the partition plate 134 and located at a side close to the end cap 120, and the spacing structure 131 further increases the adhesive area of the filter portion 20.
The provision of the spacing structure 131 and/or the partition plate 134 increases the bonding area of the filter unit 20, on the one hand, and makes the bonding reliability of the filter unit 20 higher. On the other hand, the spacing structure 131 and/or the partition plate 134 can divide the bonding portion 110 into a plurality of areas, and the filtering portion 20 is divided into smaller fiber membrane bundles to be bonded to the respective areas, and the smaller fiber membrane bundles are easily woven into a U-shape, a flower-shape, a braid-shape, or the like, and such a structure is easily cleaned and is not easily damaged or disordered when the filter cartridge is used
In other embodiments, as shown in fig. 7, the auxiliary bonding portion is a non-smooth surface 136 formed on the inner wall of the bonding portion 110, and the non-smooth surface 136 may be formed by providing grooves and/or protrusions on the inner wall of the bonding portion 110, or may be formed in other manners, such as performing a wire drawing operation on the inner wall surface, providing threads, providing a frosted surface, etc.
The invention also provides an adhesive end, which is an intermediate piece for manufacturing the filter element, namely, the adhesive end is firstly processed and formed, the first end of the filter part 20 is adhered to the adhesive end in a glue injection mode, then the adhesive end is further processed and formed into the adhesive part 110 adhered to the filter part 20, and the end cover 120 is additionally arranged on the adhesive part 110 to form the filter element.
Specifically, as shown in fig. 3 and 4, the bonding end 100 provided by the present invention has a cylindrical structure with a bottom, and includes a bonding portion 110 and a bottom 140, where the bonding portion 110 has a cylindrical structure, the bottom 140 has a cover structure, and the bottom 140 is sealingly connected to the first end of the bonding portion 110, or both are integrally formed.
The bottom 140 is provided with a glue injection part 141, the glue injection part 141 is provided with a through hole, the glue injection part 141 communicates the inner side and the outer side of the cover-shaped structure of the bottom 140, and glue can be injected into the bottom 140 through the glue injection part 141 for bonding the filter part 20 and the bonding part 110. The glue injection part 141 may be disposed on a side wall or a bottom wall of the bottom part 140, or the glue injection part 141 may be further provided with a plurality of glue injection parts according to the need. Preferably, a diversion trench 142 is provided on the bottom wall inside the bottom 140, and a port of the through hole in the glue injection portion 141 located inside the bottom 140 is communicated with the diversion trench 142, so that glue can flow into the diversion trench 142 through the glue injection portion 141, and the diversion trench 142 makes the glue distribution more uniform.
The bonding part 110 has a cylindrical structure, and the bottom part 140 is connected to a first end of the bonding part 110. An auxiliary adhesive portion 130 for improving the connection reliability of the filter unit 20 and the adhesive portion 110 is provided at the inner side of the adhesive portion 110, and preferably, the auxiliary adhesive portion 130 is provided at the first end of the adhesive portion 110 or near the first end of the adhesive portion 110.
In a preferred embodiment, the auxiliary adhesive portion 130 includes a spacing structure 131, and the spacing structure 131 is preferably a plate-shaped structure, and the plate-shaped structure may be provided in any shape, for example, may be rectangular, elliptical, diamond-shaped, etc., or may be provided in any irregular shape. Both ends of the spacing structure 131 are connected to the inner wall of the bonding part 110. Preferably, the spacing structure 131 is provided in plurality, the plurality of spacing structures 131 divide the inner side of the bonding portion 110 into a plurality of areas, each of which can be correspondingly placed with one fiber membrane bundle of the filter portion 20, and bond the filter portion 20 to the spacing structure 131 and the inner wall of the bonding portion 110. Further, a plurality of the spacing structures 131 are disposed to cross each other to form a mesh structure. Preferably, the bonding part 110, the bottom part 140 and the auxiliary bonding part 130 are integrally formed.
Preferably, the auxiliary adhesive portion 130 is connected to the first end of the adhesive portion 110, and a gap is left between the edge of the auxiliary adhesive portion 130 near the bottom wall of the bottom 140 and the bottom wall of the bottom 140, and the gap can allow glue to flow between the areas separated by the auxiliary adhesive portion 130, so as to ensure that the glue can flow into each area. Further, in this embodiment, in order to improve the bonding reliability of the filtering portion 20, a communication hole (not shown in the figure) may be formed on the spacing structure 131, where on one hand, the adjacent areas may be communicated with each other, so that the glue may flow more conveniently, and on the other hand, the glue may remain in the communication hole during bonding, so as to further improve the bonding reliability of the filtering portion 20. Still further, a groove 132 may be provided at an edge of the spacer 131 not connected to the inner wall of the bonding portion 110, preferably, the groove 132 is provided at an edge of the spacer 131 away from the bottom 140, the groove 132 is formed to have a smaller opening size than an inner size, for example, a dovetail shape or the like, the groove 132 may be immersed in glue after the glue injection is completed, and the groove 132 may also improve the bonding reliability of the filtering portion 20 after the bonding is completed.
Further, in order to facilitate the integration of the bonding portion 110, the bottom 140 and the auxiliary bonding portion 130 by injection molding, the auxiliary bonding portion 130 is simultaneously connected with the inner wall of the bonding portion 110 and the inner wall of the bottom 140, and the gap 133 penetrating the spacing structure 131 completely along the axial direction of the bonding portion 110 is formed at a position corresponding to the diversion trench 142 on the bottom wall of the bottom 140, and the gap 133 can communicate the areas separated by the spacing structure 131, so that glue can circulate between the areas, and the arrangement of the gap 133 also facilitates the demolding of the bonding head 100 during injection molding. And, after the filter element film is bonded, glue is filled in the gap 133, and the glue is bonded with the spacing structure 131 into a whole.
In this embodiment, the filter unit 20 is divided into relatively small bundles of fiber membranes corresponding to the areas partitioned by the partition structures 131, so that the membrane wires are prevented from being disordered or damaged, and the small bundles of fiber membranes are easily woven into a shape such as a U-shape, a flower shape, or a braid shape, so that the filter cartridge is easily cleaned and is not easily damaged or disordered when in use.
In another preferred embodiment, as shown in fig. 5 and 6, the auxiliary adhesive part 130 includes a partition plate 134, and the partition plate 134 is coupled to the inner wall of the adhesive part 110. The partition plate 134 is preferably the same as the inside cross-sectional shape and size of the bonding portion 110, and the partition plate 134 may divide the bonding portion 110 into two parts in the axial direction and perform the injection molding at a side close to the bottom 140. The partition plate 134 is provided with a plurality of partition holes 135, and the end of the filtering part 20 may pass through the partition holes 135 to be positioned between the partition plate 134 and the bottom 140 and be adhered to the inner wall of the adhesion part 110 and the partition plate 134. The provision of the separation holes 135 allows the filter portion 20 to be bonded in a plurality of smaller bundles of fibrous membranes. Preferably, in the present embodiment, the auxiliary adhesive part 130 further includes a spacing structure 131, the spacing structure 131 is connected to the partition plate 134, and the spacing structure 131 is located at a side close to the bottom 140. Preferably, a position corresponding to each region divided by the spacing structure 131 corresponds to the separation hole 135, and an end portion of the filtering part 20 may pass through the separation hole 135 and be positioned in the region divided by the spacing structure 131 and be adhered to the spacing structure 131, an inner wall of the adhering part 110, and the separation plate 134.
Preferably, in this embodiment, the auxiliary adhesive portion 130 is formed separately from the adhesive portion 110 and the bottom portion 140, and the auxiliary adhesive portion 130 may be mounted in the adhesive portion 110 by a variety of manners, such as a snap fit, a screw connection, or an adhesive, and the spacer 131 is located at a side near the bottom portion 140. Preferably, the auxiliary adhesive portion 130 is connected to the inner wall of the adhesive portion 110 through the partition plate 134, and the partition plate 134 is preferably connected to the inner wall of the adhesive portion 110 in a sealing manner, so that glue does not flow through the partition plate 134 during the injection of the glue, thereby making the adhesion of the filter unit 20 more neat. When the auxiliary adhesive portion 130 is fastened or screwed into the adhesive portion 110, the fastening groove or the thread of the screwed connection may make the connection between the filter portion 20 and the adhesive tip 100 more tight after the injection of the adhesive.
In this embodiment, the cross-sectional area of the separation hole 135 of the separation plate 134 is smaller than the cross-sectional area of the area separated by the separation structure 131, so that when glue is injected, the glue fills the space between the separation plate 134 and the bottom 140 without fiber membrane bundles, and when the glue is solidified, the separation plate 134 can support the solidified glue, so that the reliability of the adhesion of the filtering portion 20 can be further ensured. In addition, the separation hole 135 has a certain binding effect on the filtering portion 20, so that the filtering portion 20 can be prevented from being disordered or damaged.
In another embodiment, as shown in fig. 7, the auxiliary bonding portion 130 includes a non-smooth surface 136 formed on the inner wall of the bonding portion 110, and the non-smooth surface 136 may improve the reliability of the bonding of the glue to the inner wall of the bonding portion 110, thereby improving the bonding reliability of the filtering portion 20. Preferably, the non-smooth surface 136 may be formed by any structure that can increase the roughness of the inner wall of the bonding portion 110, such as grooves, protrusions, threads, frosting, etc. formed on the inner wall of the bonding portion 110.
It is easily conceivable that in the above embodiment, the inner wall of the bonding portion 110 and the bonding surface of the spacer 131 and glue may be provided as the non-smooth surface 136.
The method for manufacturing the filter element provided by the invention comprises the following steps:
the bottom 140 of the bonding tip 100 is located at the lower side, the bonding portion 110 is located at the upper side, the first end of the filtering portion 20 is placed in the bonding tip 100, preferably, the filtering portion 20 is divided into a plurality of fiber membrane tows, each membrane tow corresponds to an area divided by the auxiliary bonding portion 130, a fiber membrane group 20 is disposed in each area, then glue is injected into the bottom 140 through the glue injection portion 141 on the bottom 140, and the glue flows into each area along the diversion trench 142 on the bottom wall of the bottom 140. As the injection amount of glue increases, glue may enter the bonding portion 110, preferably, the injection amount of glue is such that the glue in the bonding portion 110 is over the auxiliary bonding portion 130. After the glue is injected, the bottom 140 is separated from the bonding portion 110 after the glue is coagulated, preferably, the bottom 140 is cut by cutting, and then the end cap 120 is sealed and connected to the joint between the bonding portion 110 and the bottom 140, so as to complete the manufacturing of the filter element.
The filter element provided by the invention has higher bonding reliability of the filter part 20 by arranging the auxiliary bonding part 130 in the bonding part 110 of the end head 10.
It is easy to understand by those skilled in the art that the above preferred embodiments can be freely combined and overlapped without conflict.
It will be understood that the above-described embodiments are merely illustrative and not restrictive, and that all obvious or equivalent modifications and substitutions to the details given above may be made by those skilled in the art without departing from the underlying principles of the invention, are intended to be included within the scope of the appended claims.
Claims (7)
1. The filter element is characterized by comprising a filter part and a terminal, wherein the terminal comprises an adhesion part and a terminal cover, the adhesion part comprises a cylindrical structure, the terminal cover is connected to one end of the cylindrical structure, one end of the filter part is adhered to the inside of the adhesion part, at least part of the inner wall of the adhesion part is provided with a non-smooth surface, and the filter part is adhered to the non-smooth surface;
a spacer structure connected to an inner wall of the bonding portion, the spacer structure dividing an inner side of the bonding portion into a plurality of regions in a radial plane;
the separation structure is connected with the separation plate and is positioned at one side close to the end cover, and a plurality of areas are in one-to-one correspondence with a plurality of separation holes;
the manufacturing method of the filter element comprises the following steps:
taking an adhesive end, inserting the first end of the filtering part into the adhesive end,
injecting glue into the bonding end to finish bonding the filtering part and the bonding end,
the bottom of the bonding tip is removed,
connecting a terminal cover at the joint of the bonding part of the bonding end and the bottom;
the bonding end head comprises a bonding part and a bottom, and the bottom is arranged at one end of the cylindrical structure.
2. The filter cartridge of claim 1, wherein the non-smooth surface is formed by providing grooves, protrusions, threads, and/or frosting on the inner wall of the bond.
3. The filter cartridge of claim 1, wherein the filter portion comprises a plurality of bundles of fiber membranes, the plurality of bundles of fiber membranes being bonded into different ones of the regions.
4. A cartridge according to claim 1 or claim 3, wherein the surface of the spacer structure is provided as the non-smooth face.
5. The filter cartridge of claim 1, wherein the base is provided with an injection portion, the injection portion being in communication with an inner side of the bond head.
6. The filter cartridge of claim 1, wherein the bottom is of a cap-like configuration, and the bottom wall of the cap-like configuration is further provided with a channel.
7. The filter cartridge of claim 1, wherein the non-smooth surface is disposed on an end of the cylindrical structure proximate the bottom portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608815.1A CN107349790B (en) | 2017-07-25 | 2017-07-25 | Filter element, bonding end head and manufacturing method of filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710608815.1A CN107349790B (en) | 2017-07-25 | 2017-07-25 | Filter element, bonding end head and manufacturing method of filter element |
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| CN107349790A CN107349790A (en) | 2017-11-17 |
| CN107349790B true CN107349790B (en) | 2023-05-23 |
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| EP0855212B1 (en) * | 1995-09-21 | 2006-11-15 | Asahi Kasei Kabushiki Kaisha | Hollow fiber membrane module |
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| US20070163942A1 (en) * | 2006-01-19 | 2007-07-19 | Toray Industries, Inc. | Hollow fiber membrane module |
| JP2013099703A (en) * | 2010-02-25 | 2013-05-23 | Asahi Kasei Chemicals Corp | Header member, membrane module and method for producing membrane module |
| JP6276037B2 (en) * | 2014-01-10 | 2018-02-07 | 旭化成株式会社 | Hollow fiber membrane module and filtration method |
| CN206045807U (en) * | 2016-09-20 | 2017-03-29 | 北京碧水源净水科技有限公司 | The filter element head of modified model hollow fiber membrane cartridge |
| CN206965534U (en) * | 2017-07-25 | 2018-02-06 | 珠海格力电器股份有限公司 | Filter core and bonding termination |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004112944A1 (en) * | 2003-06-17 | 2004-12-29 | Asahi Kasei Chemicals Corporation | Membrane cartridge, membrane separating device, and membrane separating method |
| JP2009136875A (en) * | 2003-08-25 | 2009-06-25 | Pall Corp | Filtering device and replaceable filter cartridge |
| JP2005230814A (en) * | 2004-01-20 | 2005-09-02 | Daicen Membrane Systems Ltd | Method for manufacturing hollow fiber membrane module |
| KR20130142308A (en) * | 2012-06-19 | 2013-12-30 | 길동만 | Porous fluoroplastic tube and method for preparing the same |
| CN104801190A (en) * | 2014-01-23 | 2015-07-29 | 珠海格力电器股份有限公司 | Hollow fiber membrane filtration core potting mold and use method thereof |
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