CN219023911U - Filter core-replaceable hollow fiber nanofiltration membrane core - Google Patents
Filter core-replaceable hollow fiber nanofiltration membrane core Download PDFInfo
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- CN219023911U CN219023911U CN202223073650.8U CN202223073650U CN219023911U CN 219023911 U CN219023911 U CN 219023911U CN 202223073650 U CN202223073650 U CN 202223073650U CN 219023911 U CN219023911 U CN 219023911U
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- nanofiltration membrane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model relates to the technical field of nanofiltration membranes and discloses a replaceable filter element type hollow fiber nanofiltration membrane core, which comprises a shell and a water inlet pipe, wherein one end of the shell is provided with a top sealing cap, the other end of the shell is provided with a bottom sealing cap, a top sealing gasket is arranged inside the top sealing cap, a bottom sealing gasket is arranged inside the bottom sealing cap, end covers are arranged below the top sealing gasket and above the bottom sealing gasket, a nanofiltration membrane is arranged between the end covers, and an inner membrane net is arranged on the inner wall of the nanofiltration membrane.
Description
Technical Field
The utility model relates to the technical field of nanofiltration membranes, in particular to a replaceable filter element type hollow fiber nanofiltration membrane core.
Background
Nanofiltration (NF) is a membrane separation technology that is interposed between Reverse Osmosis (RO) and Ultrafiltration (UF). The aperture of the nanofiltration membrane is about 1nm, the molecular weight cut-off is 200-1000Da, and the surface of the common nanofiltration membrane has charges, thus having good separation effect on bivalent and high-valence salt and micromolecular organic matters. Compared with reverse osmosis membrane, the nanofiltration membrane has the characteristics of low operation pressure, high pure water flux, low operation cost and the like, so that the nanofiltration membrane can be used in various fields of treatment, separation and purification of high-salt industrial wastewater, pharmaceutical chemical wastewater, dye wastewater and the like.
The publication number is: the Chinese patent of CN209522623U discloses a membrane module for a household water purifier, which comprises a transparent filter element shell, a hollow fiber nanofiltration membrane, an energy-saving lamp fixing frame and a membrane module shell. The hollow fiber nanofiltration membrane is arranged in the transparent filter element shell, an upper base is arranged at the upper end of the transparent filter element shell, a lower base is arranged at the lower end of the transparent filter element shell, a membrane module shell is arranged outside the transparent filter element shell, a cavity is formed between the membrane module shell and the transparent filter element shell, an energy-saving lamp fixing frame is arranged in the cavity, the energy-saving lamp is fixed through the energy-saving lamp fixing frame, and the hollow fiber nanofiltration membrane is a K-B-N-TiO2/HBPA hollow fiber nanofiltration membrane. The utility model has the characteristics of stable service performance, strong pollution resistance, longer effective service life than that of a common membrane component and high water output quality.
However, the hollow fiber nanofiltration membrane is fixedly connected with the shell, so that the disassembly and the assembly are inconvenient, the filter element is not easy to replace, and the problem that the overall replacement cost is high is required when the filter element is replaced.
Disclosure of Invention
The utility model aims to provide a replaceable filter element type hollow fiber nanofiltration membrane core, which solves the problems that the hollow fiber nanofiltration membrane and a shell are fixedly connected in the prior art, the disassembly and the installation are inconvenient, the filter element is difficult to replace, and the integral replacement cost is high when the filter element is replaced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a removable filter core formula hollow fiber nanofiltration membrane core, includes shell and inlet tube, shell one end is equipped with top sealing cap, and the other end is equipped with the bottom sealing cap, the inside top sealing pad that is equipped with of top sealing cap, the inside bottom sealing pad that is equipped with of bottom sealing cap, top sealing pad below and bottom sealing pad top are equipped with the end cover, be equipped with the nanofiltration membrane between the end cover, the nanofiltration membrane inner wall is equipped with the inner membranous net, the nanofiltration membrane outer wall is equipped with the adventitia net, the inside inlet tube that is equipped with of inner membranous net, the apopore has been seted up at the inlet tube middle part, and the end cover bottom central authorities that are located the bottom are equipped with the screw thread post, the bottom sealing cap inner wall is located the screw thread post outside and is equipped with the screw thread bush.
Furthermore, a water purifying pipe is arranged at one side of the bottom of the shell.
Further, the water inlet pipe passes through the end cover, the top sealing gasket and the top sealing cap, and the bottom end of the water inlet pipe is a water outlet pipe.
Furthermore, the threaded column is a hollow threaded column, and the diameter of the inner ring of the hollow threaded column is the same as the outer diameter of the water inlet pipe.
Furthermore, the outer wall of the end cover is provided with a locating pin, and the inner wall of the end part of the shell is provided with a locating groove matched with the locating pin.
Further, the top sealing cap and the bottom sealing cap are connected with the shell through threads.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the arranged shell, the bottom sealing cap and the water purifying pipe, when the filter element-replaceable hollow fiber nanofiltration membrane core is used, water to be purified is introduced through one end of the water inlet pipe, after entering the middle part of the water inlet pipe, the water is discharged through the water outlet holes formed in the water inlet pipe, after being purified and filtered through the inner membrane net, the nanofiltration membrane and the outer membrane net, the filtered water is intermittently discharged through the water purifying pipe by matching the water outlet pipe with the electromagnetic valve, when the nanofiltration membrane needs to be replaced, the bottom sealing cap is unscrewed, the bottom sealing gasket is removed, the nanofiltration membrane core between the end cover and the end cover is directly pulled out through the threaded column, and the deformation of the nanofiltration membrane is reduced through the support of the inner membrane net and the outer membrane net, so that the whole membrane core can be conveniently and smoothly taken out without sliding integrally, and the cost is saved.
Drawings
FIG. 1 is a perspective view of a replaceable cartridge type hollow fiber nanofiltration membrane cartridge of the present utility model;
FIG. 2 is a front cross-sectional view of a replaceable cartridge type hollow fiber nanofiltration membrane cartridge of the utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
fig. 4 is an enlarged schematic view of the structure at B in fig. 2.
In the figure: 1-a housing; 2-top sealing cap; 3-a bottom sealing cap; 4-a water inlet pipe; 5-a clean water pipe; 6-nanofiltration membrane; 7-an inner membrane net; 8-adventitia mesh; 9-end caps; 10-positioning pins; 11-positioning grooves; 12-top gasket; 13-a bottom gasket; 14-a threaded post; 15-thread sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a removable filter core formula hollow fiber nanofiltration membrane core, including shell 1 and inlet tube 4, shell 1 one end is equipped with top sealing cap 2, the other end is equipped with bottom sealing cap 3, the inside top sealing pad 12 that is equipped with of top sealing cap 2, the inside bottom sealing pad 13 that is equipped with of bottom sealing cap 3, top sealing pad 12 below and bottom sealing pad 13 top are equipped with end cover 9, be equipped with nanofiltration membrane 6 between the end cover 9, nanofiltration membrane 6 inner wall is equipped with inner membranous net 7, nanofiltration membrane 6 outer wall is equipped with outer membranous net 8, inner membranous net 7 inside is equipped with inlet tube 4, the apopore has been seted up at the inlet tube 4 middle part, the end cover 9 bottom central authorities that are located the bottom are equipped with screw thread post 14, bottom sealing cap 3 inner wall is located the screw thread post 14 outside and is equipped with thread bush 15.
When the removable filter core type hollow fiber nanofiltration membrane core is used, water to be purified is introduced through one end of the water inlet pipe 4, after entering the middle part of the water inlet pipe 4, water is discharged through the water outlet holes formed in the water inlet pipe 4, after being purified and filtered through the inner membrane net 7, the nanofiltration membrane 6 and the outer membrane net 8, the filtered water is discharged through the water purifying pipe 5, the filtered water is intermittently discharged through the water outlet pipe matched with the electromagnetic valve, when the nanofiltration membrane needs to be replaced, the bottom sealing cap 3 is unscrewed, the bottom sealing gasket 13 is taken down, the nanofiltration membrane core between the end cover 9 and the end cover 9 is directly pulled out through the threaded column 14, the deformation of the nanofiltration membrane 6 is reduced through the support of the inner membrane net 7 and the outer membrane net 8, the smooth taking out of the whole membrane core is facilitated, the whole membrane core is not required to be more sliding, and the cost is saved.
A water purifying pipe 5 is arranged at one side of the bottom of the shell 1, so that purified water can be conveniently discharged.
The water inlet pipe 4 passes through the end cover 9, the top sealing gasket 12 and the top sealing cap 2, the bottom end of the water inlet pipe 4 is provided with a water outlet pipe, the water outlet pipe is connected with an electromagnetic valve, the electromagnetic valve is intermittently controlled to be opened and closed, and the filtered concentrated water is conveniently discharged.
The threaded column 14 is a hollow threaded column 14, the diameter of the inner ring of the hollow threaded column 14 is the same as the outer diameter of the water inlet pipe 4, and the water outlet pipe is convenient to install.
The outer wall of the end cover 9 is provided with a locating pin 10, and the inner wall of the end part of the shell 1 is provided with a locating groove 11 matched with the locating pin 10, so that the membrane core can be conveniently located during disassembly and assembly.
The top sealing cap 2, the bottom sealing cap 3 and the shell 1 are connected through threads, so that the disassembly and assembly are convenient.
Working principle: when the removable filter core type hollow fiber nanofiltration membrane core is used, water to be purified is introduced through one end of the water inlet pipe 4, after entering the middle part of the water inlet pipe 4, water is discharged through the water outlet holes formed in the water inlet pipe 4, after being purified and filtered through the inner membrane net 7, the nanofiltration membrane 6 and the outer membrane net 8, the filtered water is discharged through the water purifying pipe 5, the filtered water is intermittently discharged through the water outlet pipe matched with the electromagnetic valve, when the nanofiltration membrane needs to be replaced, the bottom sealing cap 3 is unscrewed, the bottom sealing gasket 13 is taken down, the nanofiltration membrane core between the end cover 9 and the end cover 9 is directly pulled out through the threaded column 14, the deformation of the nanofiltration membrane 6 is reduced through the support of the inner membrane net 7 and the outer membrane net 8, the smooth taking out of the whole membrane core is facilitated, the whole membrane core is not required to be more sliding, and the cost is saved.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Claims (6)
1. Removable filter core formula hollow fiber nanofiltration membrane core, including shell (1) and inlet tube (4), its characterized in that: the utility model discloses a water inlet pipe, including shell (1), bottom sealing cap (3), water inlet pipe (4), water outlet hole, screw thread post (14) are equipped with in the inside top sealing cap (12) that is equipped with of top sealing cap (2), top sealing cap (12) below and bottom sealing cap (13) top are equipped with end cover (9), be equipped with between end cover (9) and receive filter membrane (6), it is equipped with inner membrane net (7) to receive filter membrane (6) inner wall, it is equipped with outer membrane net (8) to receive filter membrane (6) outer wall, inner membrane net (7) inside is equipped with inlet tube (4), apopore has been seted up at inlet tube (4) middle part, end cover (9) bottom central authorities that are located the bottom are equipped with screw thread post (14), bottom sealing cap (3) inner wall is equipped with thread bush (15) in the screw thread post (14) outside.
2. The replaceable cartridge type hollow fiber nanofiltration membrane cartridge of claim 1, wherein: a water purifying pipe (5) is arranged at one side of the bottom of the shell (1).
3. The replaceable cartridge type hollow fiber nanofiltration membrane cartridge of claim 1, wherein: the water inlet pipe (4) passes through the end cover (9), the top sealing gasket (12) and the top sealing cap (2), and the bottom end of the water inlet pipe (4) is a water outlet pipe.
4. The replaceable cartridge type hollow fiber nanofiltration membrane cartridge of claim 1, wherein: the threaded column (14) is a hollow threaded column (14), and the diameter of the inner ring of the hollow threaded column (14) is the same as the outer diameter of the water inlet pipe (4).
5. The replaceable cartridge type hollow fiber nanofiltration membrane cartridge of claim 1, wherein: the outer wall of the end cover (9) is provided with a locating pin (10), and the inner wall of the end part of the shell (1) is provided with a locating groove (11) matched with the locating pin (10).
6. The replaceable cartridge type hollow fiber nanofiltration membrane cartridge of claim 1, wherein: the top sealing cap (2) is connected with the bottom sealing cap (3) and the shell (1) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223073650.8U CN219023911U (en) | 2022-11-21 | 2022-11-21 | Filter core-replaceable hollow fiber nanofiltration membrane core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223073650.8U CN219023911U (en) | 2022-11-21 | 2022-11-21 | Filter core-replaceable hollow fiber nanofiltration membrane core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219023911U true CN219023911U (en) | 2023-05-16 |
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ID=86292191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223073650.8U Active CN219023911U (en) | 2022-11-21 | 2022-11-21 | Filter core-replaceable hollow fiber nanofiltration membrane core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219023911U (en) |
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2022
- 2022-11-21 CN CN202223073650.8U patent/CN219023911U/en active Active
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