CN216703963U - Hollow fiber membrane module end-sealing treatment device - Google Patents
Hollow fiber membrane module end-sealing treatment device Download PDFInfo
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- CN216703963U CN216703963U CN202220094794.2U CN202220094794U CN216703963U CN 216703963 U CN216703963 U CN 216703963U CN 202220094794 U CN202220094794 U CN 202220094794U CN 216703963 U CN216703963 U CN 216703963U
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Abstract
The utility model discloses a hollow fiber membrane module end-sealing processing device, comprising: the hollow fiber membrane is arranged in the cavity of the membrane shell, and the end part of the hollow fiber membrane extends out of the end part of the membrane shell; and the sealing mould comprises a shell, wherein the shell is sequentially provided with a first pouring cavity and a second pouring cavity from bottom to top, the first pouring cavity is communicated with the second pouring cavity, the shell is provided with at least one pouring hole, the pouring hole is communicated with the first pouring cavity or/and the second pouring cavity, and the second pouring cavity is internally provided with an annular boss. By using the end-sealing treatment device, the production efficiency is greatly improved, the labor cost is reduced, and the generation of solid waste is reduced. Meanwhile, the hollow fiber membrane can be prevented from being blocked by epoxy resin or polyurethane resin, and the smoothness of the hollow fiber membrane is ensured.
Description
Technical Field
The utility model relates to the technical field of membrane yarn treatment, in particular to a hollow fiber membrane component end-sealing treatment device.
Background
The membrane separation technology is generally recognized as the most effective technical means for realizing the reclamation of sewage and ensuring the safety of drinking water. The hollow fiber membrane is a novel membrane technical product with the fastest development, the largest scale and the highest output value in the field of separation membranes. At present, the hollow fiber membrane technology becomes an important common support for common key technologies and traditional industry upgrading in the fields of environmental protection, resource recovery, new energy industry and the like. With the improvement of the sanitary standard of domestic drinking water and the continuous improvement of the discharge standard of urban sewage and industrial wastewater in recent years, the upgrading and the reconstruction of a water works and the upgrading and the reconstruction of a sewage/wastewater treatment plant enter the rapid development period, and bring new opportunities and new requirements for the development of hollow fiber membrane technology and industry.
With the development of water treatment industry technology, ultrafiltration membrane technology is emerging. The ultrafiltration membrane technology is divided into an internal pressure type ultrafiltration membrane element and an external pressure type ultrafiltration membrane element from the working principle, and can be divided into a column type, a curtain type and a flat plate type from the appearance structure. The membrane module is the core of membrane technology, and the structure of membrane module plays decisive effect to the membrane separation process, and present general membrane module is all to use epoxy or polyurethane resin to bond hollow fiber membrane silk and outer structural component casting together, but because epoxy or polyurethane resin can see through the membrane silk hole infiltration of subassembly port in the casting process and enter, lead to blockking up the membrane hole for the membrane silk of subassembly filters effective hole and reduces. Therefore, before pouring, the end holes of the hollow fiber membranes are required to be aligned manually, then manually brushed with putty slurry, and the end holes of the hollow fiber membranes are sealed. And then pouring, and cutting out part of the membrane wires at the ends of the membrane wires after pouring to expose the membrane holes. However, the yield and efficiency of manual brushing are low, and meanwhile, due to the fact that manual alignment is achieved, errors exist to a certain degree, brushing leakage is prone to being caused when putty paste is brushed, and end holes of membrane filaments are not blocked. When the epoxy resin or the polyurethane resin is poured in the later stage, the epoxy resin or the polyurethane resin can flow into the film hole of the leakage brush to block the film hole.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hollow fiber membrane component end-sealing treatment device, so that the defects of brush leakage, easy blocking of a die hole and low production efficiency in membrane wire end-sealing treatment are overcome.
In order to achieve the above object, the present invention provides a hollow fiber membrane module end-sealing treatment apparatus, comprising: the hollow fiber membrane is arranged in the cavity of the membrane shell, and the end part of the hollow fiber membrane extends out of the end part of the membrane shell; the sealing mould comprises a shell, wherein a first pouring cavity and a second pouring cavity are sequentially arranged on the shell from bottom to top, the first pouring cavity is communicated with the second pouring cavity, at least one pouring hole is formed in the shell, the pouring hole is communicated with the first pouring cavity or/and the second pouring cavity, and an annular boss is arranged in the second pouring cavity; and in a pouring state, the lower end of the membrane shell is attached to the boss, the hollow fiber membrane moves downwards, the lower end part of the hollow fiber membrane is in contact with the bottom of the first pouring cavity, a plugging agent is poured into the first pouring cavity through the pouring hole to be condensed to form a plugging layer, and then a binder is poured into the second pouring cavity through the pouring hole to form a bonding layer.
Preferably, in the above technical solution, the boss is connected to the first casting cavity through an annular inclined surface to form a divergent section.
Preferably, in the above technical solution, the pouring hole is formed at a connection position of the first pouring cavity and the second pouring cavity.
Preferably, in the above technical solution, the pouring hole is formed in the second pouring cavity.
Preferably, in the above technical solution, there is one pouring hole.
Preferably, in the above technical solution, the blocking agent is microcrystalline wax.
Preferably, in the above technical solution, the adhesive is epoxy resin or polyurethane resin.
Preferably, in the above technical solution, the depth of the first casting cavity is 3-10 cm.
Preferably, in the above technical solution, the depth of the second casting cavity is 3-10 cm.
Preferably, in the above technical solution, the first casting cavity and the second casting cavity are cylindrical structures.
Compared with the prior art, the utility model has the following beneficial effects: according to the end sealing treatment device for the hollow fiber membrane component, the adopted sealing mold is provided with two communicated pouring containing cavities, the end part of the hollow fiber membrane is in contact with the bottom of the first pouring containing cavity, microcrystalline wax is poured to form a sealing layer, an end hole of the hollow fiber membrane is sealed, and after the microcrystalline wax is condensed. And then epoxy resin or polyurethane resin is poured in the second pouring cavity to form a bonding layer, and the hollow fiber membranes are bonded together. And removing the sealing mould, cutting off the blocking layer, exposing the membrane holes and finishing end sealing. Melting the cut membrane filaments, and recovering microcrystalline wax for repeated use. By the end-capping treatment, the production efficiency is greatly improved, the labor cost is reduced, and the generation of solid waste is reduced. Meanwhile, the hollow fiber membrane can be prevented from being blocked by epoxy resin or polyurethane resin, and the smoothness of the hollow fiber membrane is ensured.
Drawings
Fig. 1 is a schematic structural view of a hollow fiber membrane module end-capping treatment apparatus according to the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, an end-capping treatment apparatus for a hollow fiber membrane module according to an embodiment of the present invention includes a membrane housing 1 and a sealing mold 2. The membrane shell 1 is hollow and cylindrical, the hollow fiber membranes 3 are arranged in the cavity of the membrane shell 1, and the membrane shell 2 binds the hollow fiber membranes 3 in the cavity to avoid the scattering of the hollow fiber membranes 3. The ends of the hollow fiber membranes 3 extend out of the ends of the membrane housing 1. The sealing mould 2 comprises a shell 21, a first pouring cavity 22 and a second pouring cavity 23 are sequentially arranged in the middle of the shell 21 from bottom to top, and the first pouring cavity 22 is communicated with the second pouring cavity 23. The first casting cavity and the second casting cavity are cylindrical structures. Preferably, the depth of the first casting cavity is 3-10cm and the depth of the second casting cavity is 3-10 cm. The shell 21 is provided with at least one pouring hole 24, and the pouring hole 24 is communicated with the first pouring cavity 22 or/and the second pouring cavity 23. An annular boss 25 is arranged on the inner wall of the second pouring cavity 23.
When pouring is carried out, the lower end of the membrane shell 1 is inserted into the cavity of the shell 21, and the lower end of the membrane shell 1 is attached to the upper surface of the boss 25, namely, the lower end of the membrane shell 1 is in contact with the upper surface of the boss 25. Arrange the hollow fiber membrane 3 in membrane shell 1 cavity and move down, the lower extreme contacts with the bottom of first cavity 22 of pouring, and first cavity 22 bottom of pouring is the plane, and the tip of hollow fiber membrane 3 contacts the back with the bottom, because the action of gravity of hollow fiber membrane 3 self, the comparatively parallel and level of tip adjustment. A plugging agent is poured into the first casting cavity 22 through the casting holes 24 and the plugging agent is coagulated to form a plugging layer. Preferably, the blocking agent is a microcrystalline wax. More preferably, the blocking agent is a food grade microcrystalline wax. The blocking layer is used for blocking the membrane holes at the end parts of the hollow fiber membranes. Then, an adhesive is poured into the second pouring cavity 23 through the pouring hole 24 to form an adhesive layer, wherein the adhesive is preferably epoxy resin or polyurethane resin. The hollow fiber membrane 3 is bonded into a whole by the bonding layer, then the sealing mould 2 is removed, the plugging layer is cut off, and the membrane hole is exposed. The blocking agent is microcrystalline wax, after the blocking layer is cut off, the cut hollow fiber membrane is heated, the microcrystalline wax is dissolved and then recovered, and the microcrystalline wax can be repeatedly used.
According to the end-sealing treatment device, the sealing mould adopts two cavities, and the microcrystalline wax is used for sealing the membrane holes at the end parts of the hollow fiber membranes. After the end holes are sealed, the bonding layer is poured, and the epoxy resin or the polyurethane resin cannot flow into the end holes of the hollow fiber membranes. The through-hole rate of the hollow fiber membrane is ensured.
Preferably, the boss 25 is connected to the first casting cavity 22 by an annular inclined surface 26 to form a divergent section. The bonding layer is poured from the gradually expanding section, the diameter of the gradually expanding section is obviously larger than that of the plugging layer, and when the plugging layer is cut off, the bonding layer can be directly cut off from the bottom of the gradually expanding section. The plugging layer and the bonding layer are easily identified.
Preferably, there is one casting hole 24. A casting hole 24 is provided at the junction of the first casting cavity 22 and the second casting cavity 23. Or pouring hole 24 is provided at the second casting cavity 23.
In another embodiment of the pouring hole arrangement, the pouring hole 24 is provided in a plurality and uniformly surrounds the junction between the first pouring cavity 22 and the second pouring cavity 23. Or pouring holes 24 are provided at the second casting cavity 23.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (9)
1. A hollow fiber membrane module end-sealing treatment device is characterized by comprising:
the hollow fiber membrane is arranged in the cavity of the membrane shell, and the end part of the hollow fiber membrane extends out of the end part of the membrane shell; and
the sealing mould comprises a shell, wherein a first pouring cavity and a second pouring cavity are sequentially arranged on the shell from bottom to top, the first pouring cavity is communicated with the second pouring cavity, at least one pouring hole is formed in the shell, the pouring hole is communicated with the first pouring cavity or/and the second pouring cavity, and an annular boss is arranged in the second pouring cavity;
and in a pouring state, the lower end of the membrane shell is attached to the boss, the hollow fiber membrane moves downwards, the lower end part of the hollow fiber membrane is in contact with the bottom of the first pouring cavity, a plugging agent is poured into the first pouring cavity through the pouring hole to be condensed to form a plugging layer, and then a binder is poured into the second pouring cavity through the pouring hole to form a bonding layer.
2. The hollow fiber membrane module end-capping processing device of claim 1, wherein the boss is connected to the first casting cavity by an annular inclined surface to form a divergent section.
3. The hollow fiber membrane module end-capping processing device of claim 1, wherein the casting hole is provided at a junction of the first casting cavity and the second casting cavity.
4. The hollow fiber membrane module end-capping treatment device according to claim 1, wherein the casting hole is provided at the second casting cavity.
5. The hollow fiber membrane module end-capping treatment device according to claim 1, wherein the casting hole is one.
6. The hollow fiber membrane module sealing treatment device according to claim 1, wherein the sealing agent is microcrystalline wax.
7. The hollow fiber membrane module end-capping treatment device according to claim 1, wherein the binder is an epoxy resin or a polyurethane resin.
8. The hollow fiber membrane module end-capping treatment device according to claim 1, wherein the first casting cavity and the second casting cavity have a depth of 3 to 10 cm.
9. The hollow fiber membrane module end-capping treatment device of claim 1, wherein the first casting cavity and the second casting cavity are cylindrical structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220094794.2U CN216703963U (en) | 2022-01-14 | 2022-01-14 | Hollow fiber membrane module end-sealing treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220094794.2U CN216703963U (en) | 2022-01-14 | 2022-01-14 | Hollow fiber membrane module end-sealing treatment device |
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| CN216703963U true CN216703963U (en) | 2022-06-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023240828A1 (en) * | 2022-06-15 | 2023-12-21 | 广州康盛生物科技股份有限公司 | Housing structure and hollow fiber membrane separator |
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2022
- 2022-01-14 CN CN202220094794.2U patent/CN216703963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023240828A1 (en) * | 2022-06-15 | 2023-12-21 | 广州康盛生物科技股份有限公司 | Housing structure and hollow fiber membrane separator |
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