CN216987122U - Multilayer hollow fiber ultrafiltration membrane component - Google Patents
Multilayer hollow fiber ultrafiltration membrane component Download PDFInfo
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- CN216987122U CN216987122U CN202220819218.XU CN202220819218U CN216987122U CN 216987122 U CN216987122 U CN 216987122U CN 202220819218 U CN202220819218 U CN 202220819218U CN 216987122 U CN216987122 U CN 216987122U
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Abstract
The utility model belongs to the technical field of membrane separation, and provides a multilayer hollow fiber ultrafiltration membrane component which comprises a membrane shell and a membrane group, wherein the membrane group comprises hollow fiber microfiltration membranes and hollow fiber ultrafiltration membranes which are alternately arranged layer by layer in the membrane shell, and the membrane shell is provided with a water inlet communicated with the hollow fiber microfiltration membranes and a water outlet communicated with the hollow fiber ultrafiltration membranes. The utility model solves the problems of the prior art that the service life of the membrane component is shortened, the performance is reduced, the application and maintenance cost of the membrane component is increased and the like caused by membrane pollution, and has the characteristics of ingenious structure, convenient maintenance, long service life and the like.
Description
Technical Field
The utility model belongs to the technical field of membrane separation, and particularly relates to a multilayer hollow fiber ultrafiltration membrane component.
Background
The hollow fiber ultrafiltration membrane has small aperture and strong filtering and separating capability, and is mainly used in the professional fields of sewage treatment, substance separation and the like, wherein one of the most common application modes is that the hollow fiber ultrafiltration membrane is filled in a pipe fitting to form a membrane module, and the membrane module is convenient to install, use, clean and maintain and is widely applied.
In the use process of the existing membrane module, pollutants filtered by the membrane module are continuously enriched on the hollow fiber ultrafiltration membrane, membrane pollution can be caused, and the filtering effect of the membrane module is influenced.
In conclusion, how to reduce membrane pollution by a membrane module optimization mode with low cost, easy implementation and good effect is a problem which needs to be solved urgently in the technical field of membrane separation.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, an object of the present invention is to provide a multilayer hollow fiber ultrafiltration membrane module, which is used to solve the problems of the prior art, such as reduced service life of the membrane module, reduced performance, increased application and maintenance costs of the membrane module, etc., caused by membrane fouling.
In order to achieve the above objects and other related objects, the present invention provides the following technical solutions:
a multilayer hollow fiber ultrafiltration membrane component comprises a membrane shell and a membrane group, wherein the membrane group comprises hollow fiber microfiltration membranes and hollow fiber ultrafiltration membranes which are alternately arranged in the membrane shell layer by layer, and the membrane shell is provided with a water inlet communicated with the hollow fiber microfiltration membranes and a water outlet communicated with the hollow fiber ultrafiltration membranes.
The hollow fiber micro-filtration membrane and the hollow fiber ultrafiltration membrane are alternately arranged layer by layer, the water inlet is communicated with the hollow fiber micro-filtration membrane, sewage enters the hollow fiber micro-filtration membrane fiber tube from the water inlet and seeps out of the fiber tube wall, primary filtration is completed, the pollutants with larger sizes in the process are filtered by the hollow fiber micro-filtration membrane, the sewage seeped out by the primary filtration permeates into the fiber tube through the hollow fiber ultrafiltration membrane tube wall, secondary filtration is completed, and the pollutants with smaller sizes in the process are filtered by the hollow fiber ultrafiltration membrane. Because the pollutants with larger sizes are filtered out in the primary filtration, the pollutants enriched in the hollow fiber ultrafiltration membrane are greatly reduced, and the membrane pollution of the hollow fiber ultrafiltration membrane component is effectively reduced.
Further, the hollow fiber micro-filtration membrane and the hollow fiber ultra-filtration membrane are arranged in a tubular shape, and a multilayer tube structure is formed alternately layer by layer.
Further, the hollow fiber microfiltration membrane and the hollow fiber ultrafiltration membrane are concentrically arranged.
Furthermore, the membrane group is configured to be a layer of the hollow fiber micro-filtration membrane and two layers of the hollow fiber ultra-filtration membrane, and the hollow fiber micro-filtration membrane is arranged between the two layers of the hollow fiber ultra-filtration membranes.
Furthermore, on the cross section of the membrane group, the cross section area of the hollow fiber micro-filtration membrane accounts for 20% -40%, and the cross section area of the hollow fiber ultra-filtration membrane accounts for 60% -80%, and the membrane group with the cross section area accounts for excellent filtration efficiency and filtration performance.
Further, a discharge port is arranged on the side wall of the membrane shell and used for discharging concentrated water subjected to cross-flow filtration.
Further, the discharge ports are provided with two, and the two discharge ports are respectively close to the water inlet and the water outlet.
Further, the end of the membrane group is bonded with the end of the membrane shell which is close to the end of the membrane group.
In conclusion, the utility model has the following beneficial effects:
through setting up the hollow fiber micro-filtration membrane and the hollow fiber milipore filter of successive layer alternative arrangement, make the inside membrane group that forms multilayer structure of membrane shell, sewage is successively through the primary filtration of hollow fiber micro-filtration membrane and the secondary filtration of hollow fiber milipore filter, makes the pollutant of enrichment in the hollow fiber milipore filter significantly reduce, effectively reduces the membrane pollution of hollow fiber milipore filter subassembly, and can not cause the influence to the performance of hollow fiber milipore filter subassembly, solved among the prior art because the membrane pollutes the membrane subassembly life-span that leads to reduce, the performance reduces, the application of membrane subassembly and maintenance cost increase scheduling problem, have characteristics such as structure ingenious, convenient maintenance, long service life.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a partial cross-axis cross-sectional view of an embodiment of the present invention.
Description of reference numerals
The device comprises a membrane shell 1, a water inlet 11, a water outlet 12, a discharge port 13, a membrane group 2, a hollow fiber ultrafiltration membrane 21 and a hollow fiber microfiltration membrane 22.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings and attached to the description are only for understanding and reading the disclosure of the present invention, and are not intended to limit the practical conditions of the present invention, so that the present invention has no technical significance, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope of the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "inner" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship may be made without substantial technical changes and modifications.
Referring to fig. 1, 2 and 3, the multilayer hollow fiber ultrafiltration membrane module includes a membrane housing 1 and a membrane module 2, the membrane module 2 includes hollow fiber ultrafiltration membranes 21 and hollow fiber microfiltration membranes 22 alternately arranged layer by layer in the membrane housing 1, and the membrane housing 2 is provided with a water inlet 11 communicated with the hollow fiber microfiltration membranes 22 and a water outlet 12 communicated with the hollow fiber ultrafiltration membranes 21.
Sewage enters the hollow fiber micro-filtration membrane 22 from the right end of the membrane group 2 through the water inlet 11 and seeps out of the hollow fiber micro-filtration membrane 22 to complete primary filtration, and pollutants with larger sizes in the sewage are filtered by the hollow fiber micro-filtration membrane 22; the sewage seeped from the hollow fiber micro-filtration membrane 22 permeates into the hollow fiber ultra-filtration membrane 21 which is arranged adjacent to the hollow fiber micro-filtration membrane 22 again to complete secondary filtration, which is beneficial to reducing the enrichment of pollutants on the hollow fiber ultra-filtration membrane 21.
The hollow fiber micro-filtration membrane 22 and the hollow fiber ultrafiltration membrane 21 are both arranged in a tubular shape, and in this embodiment, the hollow fiber micro-filtration membrane 22 and the hollow fiber ultrafiltration membrane 21 are arranged alternately in concentric circular tubes to form a multi-layer concentric circular tube structure, which is beneficial to saving arrangement space and improving filtration efficiency.
In the present embodiment, the membrane module 2 is configured as a layer of the hollow fiber ultrafiltration membrane 22 and two layers of the hollow fiber ultrafiltration membrane 21, and the hollow fiber microfiltration membrane 22 is disposed between the two layers of the hollow fiber ultrafiltration membrane 21. In other embodiments, the number of layers of the hollow fiber ultrafiltration membranes 21 and the hollow fiber microfiltration membranes 22 which are alternately arranged may be adjusted according to actual needs.
In the cross section of the membrane module 2, the ratio of the cross section area of the hollow fiber micro-filtration membrane 22 is 20-40%, and the ratio of the cross section area of the hollow fiber ultra-filtration membrane 21 is 60-80%, within this range, the membrane module 2 has excellent filtration performance and filtration efficiency.
In some embodiments, the cross-sectional area of the membrane module 2 is 20% of the cross-sectional area of the hollow fiber micro-filtration membrane 22 and 80% of the cross-sectional area of the hollow fiber ultra-filtration membrane 21.
In some embodiments, the cross-sectional area of the membrane module 2 is 40% and the cross-sectional area of the hollow fiber ultrafiltration membrane 21 is 60%.
In the present embodiment, in the cross section of the membrane module 2, the ratio of the cross sectional area of the hollow fiber microfiltration membrane 22 is 25%, and the ratio of the cross sectional area of the hollow fiber ultrafiltration membrane 21 is 75%. In other embodiments, the ratio of the cross-sectional areas of the hollow fiber ultrafiltration membrane 21 and the hollow fiber microfiltration membrane 22 may be adjusted according to actual needs.
In the present embodiment, a discharge port 13 for discharging concentrate for cross-flow filtration is provided on the outer side wall of the membrane housing 1.
In the present embodiment, two discharge ports 13 are provided, and the two discharge ports 13 are respectively provided near the water inlet 11 and near the water outlet 12.
In the present embodiment, the end of the membrane module 2 is bonded to the end of the membrane housing 1 adjacent thereto
In the normal implementation of the embodiment, the sewage enters the hollow fiber micro-filtration membrane 22 from the right end of the membrane group 2 through the water inlet 11 and seeps out of the hollow fiber micro-filtration membrane 22 to complete the primary filtration; the sewage seeped after primary filtration permeates a hollow fiber ultrafiltration membrane 21 which is arranged adjacent to a hollow fiber microfiltration membrane 22 again to complete secondary filtration, and purified water is obtained; the purified water flows out from the left end of the membrane group 2 and is discharged out of the membrane shell through the water outlet 12. In the implementation process, the pollutants with larger sizes in the sewage are filtered by the hollow fiber micro-filtration membrane 22 during the primary filtration, and the pollutants with smaller sizes in the sewage are filtered by the hollow fiber ultra-filtration membrane 21 during the secondary filtration.
In summary, according to the multilayer hollow fiber ultrafiltration membrane module provided in the embodiment of the present invention, the membrane groups 2 in the membrane shell 1 are configured as the hollow fiber ultrafiltration membranes 21 and the hollow fiber microfiltration membranes 22 which are alternately arranged layer by layer, so that the pollutants enriched in the hollow fiber ultrafiltration membranes 21 are greatly reduced, the membrane pollution of the hollow fiber ultrafiltration membrane module in the water purification process is effectively reduced, the performance of the hollow fiber ultrafiltration membrane module is not affected, the problems of the prior art that the service life of the membrane module is shortened, the performance of the membrane module is reduced, the application and maintenance cost of the membrane module is increased, and the like due to the membrane pollution are solved, and the multilayer hollow fiber ultrafiltration membrane module has the characteristics of ingenious structure, convenient maintenance, long service life, and the like.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A multilayer hollow fiber ultrafiltration membrane module is characterized in that: the membrane comprises a membrane shell and a membrane group, wherein the membrane group comprises hollow fiber micro-filtration membranes and hollow fiber ultra-filtration membranes which are alternately arranged layer by layer in the membrane shell, and the membrane shell is provided with a water inlet communicated with the hollow fiber micro-filtration membranes and a water outlet communicated with the hollow fiber ultra-filtration membranes.
2. The multilayer hollow fiber ultrafiltration membrane module of claim 1, wherein: the hollow fiber micro-filtration membrane and the hollow fiber ultrafiltration membrane are both arranged in a tubular shape.
3. The multilayer hollow fiber ultrafiltration membrane module of claim 2, wherein: the hollow fiber micro-filtration membrane and the hollow fiber ultrafiltration membrane are concentrically arranged.
4. A multilayer hollow fiber ultrafiltration membrane module according to claim 2 or 3, wherein: the membrane group is configured into a layer of the hollow fiber micro-filtration membrane and two layers of the hollow fiber ultra-filtration membrane, and the hollow fiber micro-filtration membrane is arranged between the two layers of the hollow fiber ultra-filtration membrane.
5. The multilayer hollow fiber ultrafiltration membrane module of claim 4, wherein: on the cross section of the membrane group, the cross section area of the hollow fiber micro-filtration membrane accounts for 20-40%, and the cross section area of the hollow fiber ultra-filtration membrane accounts for 60-80%.
6. The multilayer hollow fiber ultrafiltration membrane module of claim 1, wherein: and a discharge port is arranged on the side wall of the membrane shell.
7. The multilayer hollow fiber ultrafiltration membrane module of claim 6, wherein: the discharge port is provided with two, just two discharge ports are close to water inlet and delivery port respectively.
8. The multilayer hollow fiber ultrafiltration membrane module according to claim 2, wherein: the end part of the membrane group is bonded with the end part of the membrane shell which is close to the end part of the membrane group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220819218.XU CN216987122U (en) | 2022-04-08 | 2022-04-08 | Multilayer hollow fiber ultrafiltration membrane component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220819218.XU CN216987122U (en) | 2022-04-08 | 2022-04-08 | Multilayer hollow fiber ultrafiltration membrane component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216987122U true CN216987122U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220819218.XU Active CN216987122U (en) | 2022-04-08 | 2022-04-08 | Multilayer hollow fiber ultrafiltration membrane component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216987122U (en) |
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2022
- 2022-04-08 CN CN202220819218.XU patent/CN216987122U/en active Active
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| CP02 | Change in the address of a patent holder |
Address after: Building 19, No. 113, Tongtao North Road, Jiulongpo District, Chongqing 401328 Patentee after: Maiborui new material technology (Chongqing) Co.,Ltd. Address before: No. 4023, Luojin Industrial Park, Zhongxing District, Chongqing Patentee before: Maiborui new material technology (Chongqing) Co.,Ltd. |
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