CN205379815U - Production hollow fiber receives equipment of filter membrane - Google Patents
Production hollow fiber receives equipment of filter membrane Download PDFInfo
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- CN205379815U CN205379815U CN201520769977.XU CN201520769977U CN205379815U CN 205379815 U CN205379815 U CN 205379815U CN 201520769977 U CN201520769977 U CN 201520769977U CN 205379815 U CN205379815 U CN 205379815U
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- hollow fiber
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- syringe needle
- filter membrane
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Abstract
The utility model relates to a hollow fiber receives the filter membrane, include stay tube, nanofiber basic unit and receive and strain the separating layer. The utility model discloses still relate to production hollow fiber receives equipment of filter membrane, including spinning syringe and syringe needle electrostatic spinning equipment, syringe needle electrostatic spinning equipment includes main shaft and cylinder collector, the cylinder collector sets up on the main shaft, the main shaft is connected with external power source, be provided with a plurality of evenly distributed's electrostatic spinning syringe needle on the circumferencial direction at the outside both ends of cylinder collector, the main shaft is connected with outside motor, the cylinder collector rotates along the circumferencial direction under the drive of main shaft. The beneficial effects of the utility model reside in that, a hollow fiber receives filter membrane and produce this equipment of receiving the filter membrane is provided, the hollow fiber of this device fabrication receives the filter membrane and has high mechanical properties, hydrophilicity and water permeability.
Description
Technical field
This utility model relates to a kind of equipment producing hollow fiber nanofiltration membrane.
Background technology
Nanofiltration-membrane technique is that recent domestic develops new membrane isolation technics faster.NF membrane is that the one between ultrafilter membrane and reverse osmosis membrane is with pressure-actuated film.NF membrane has nano level membrane aperture, and in most cases with electric charge on film, so NF membrane operationally can retain the Organic substance of bivalence or multivalent ion and larger molecular weight, and allows monovalention to pass through.Therefore, based on the special performance of NF membrane, it is widely used in wastewater treatment, food industry, chemical and medicine industry industry and Drinking Water Industry etc..
Current most of business-like NF membrane is rolling NF membrane.Rolled film has contamination resistance cleaning poor, more difficult and to problems such as influent quality requirement height.Comparing rolling NF membrane, it is big that hollow fiber nanofiltration membrane has the process water yield, and the reference area of film is big, it is possible to carry out the advantages such as backwash.Such that it is able to effectively improve the contamination resistance of film itself, and extend the service life of NF membrane.From the technology of preparing aspect of NF membrane, currently mainly having phase inversion and composite algorithm, phase conversion method is that the NF membrane prepared is relatively simple, but the NF membrane of preparation has ruggedness poor, the problems such as flux is relatively low.
The business-like NF membrane product of major part is all prepared by composite algorithm.The process of composite algorithm includes the preparation of basement membrane and stratum disjunctum.Generally, basement membrane is to be prepared by phase conversion method, and stratum disjunctum is generally adopted interfacial polymerization and prepares.The basement membrane of preparation requires have suitable aperture, pore-size distribution, porosity and chemical stability.General hollow fiber nanofiltration membrane is all adopt composite algorithm to be prepared so that easily peeling-off between supporting layer and stratum disjunctum, and overall flux is relatively low.
Utility model content
In view of the above-mentioned problems in the prior art, main purpose of the present utility model is in that to solve the defect of prior art, this utility model provides a kind of equipment producing hollow fiber nanofiltration membrane, and the hollow fiber nanofiltration membrane that this equipment produces has high mechanical property, hydrophilic and water penetration.
This utility model provides a kind of hollow fiber nanofiltration membrane, including a stay tube, nanofiber basic unit and nanofiltration separation layer, described nanometer of Wiki layer is arranged on described between stay tube and described nanofiltration separation layer, the external diameter of described stay tube is 0.4～2.3mm, the wall thickness of described stay tube is 0.1～0.7mm, and described stay tube is inorganic or a stay tube of organic polymer material braiding.
Optionally, the external diameter of described stay tube is 1.0～2.0mm, and the wall thickness of described stay tube is 0.2～0.5mm.
Optionally, the external diameter of described stay tube is 1.5mm, and the wall thickness of described stay tube is 0.4mm.
This utility model also provides for a kind of equipment producing hollow fiber nanofiltration membrane, including spinning syringe and syringe needle electrospinning device, described spinning syringe is arranged on the top of described syringe needle electrospinning device, described syringe needle electrospinning device includes main shaft and cylinder catcher, described cylinder catcher is arranged on described main shaft, described main shaft is connected with external power source, the circumferencial direction at the outside two ends of described cylinder catcher is provided with multiple equally distributed electrostatic spinning syringe needle, described main shaft is connected with outside motor, described cylinder catcher is circumferentially rotated under the drive of main shaft.
Optionally, the running voltage of described syringe needle electrospinning device is 10～100KV.
Optionally, described syringe is 5～60cm to the vertical dimension of described cylinder catcher.
This utility model has the following advantages and beneficial effect: this utility model provides a kind of equipment producing hollow fiber nanofiltration membrane, this hollow fiber nanofiltration membrane adopts multi-layer supporting structure to prepare hollow fiber nanofiltration membrane, internal use high intensity supporting tube structure is as the inner standoff layer of hollow fiber nanofiltration membrane, supporting outer tube layer surface, pass through electrospinning process, preparation nanofiber layer, as the basic unit of hollow fiber nanofiltration membrane, finally adopts interfacial polymerization method to prepare nanofiltration separation layer at the outermost layer of hollow fiber nanofiltration membrane；This multiple structure greatly improve between each layer close-burning while, it is possible to the effective hydrophilic improving film and permeable amount；The composite nano fiber basic unit simultaneously prepared by electrospinning process can effectively avoid ultrafiltration as various problems produced by basement membrane；Owing to have employed electrostatic spinning process, the nanofiber basic unit of preparation has excellent porosity, permeable amount, and the composite nano fiber basic unit simultaneously prepared by electrostatic spinning process can effectively avoid ultrafiltration as various problems produced by basement membrane；The hollow fiber nanofiltration membrane function admirable that this utility model provides, has excellent hydrophilic and contamination resistance simultaneously, and flux can reach 40L/m2Above, to the removal efficiency of monovalence and divalent salts respectively > 40% He > 95%；It addition, a kind of equipment producing hollow fiber nanofiltration membrane that this utility model provides, the device structure of this production hollow fiber nanofiltration membrane is simple, easily operated, it is suitable for industrialization large-scale production, production efficiency is high simultaneously, save the production cost of enterprise, further increase the market competitiveness of enterprise.
Accompanying drawing explanation
The structural representation of the hollow fiber nanofiltration membrane that Fig. 1 provides for this utility model；
Fig. 2 has the structural representation of the equipment producing hollow fiber nanofiltration membrane of multiple stay tubes for the surface configuration that this utility model provides.
Detailed description of the invention
With specific embodiment, this utility model is further described below with reference to accompanying drawings.
nullIf Fig. 1 is to shown in 2: a kind of hollow fiber nanofiltration membrane of this utility model embodiment，Including a stay tube、Nanofiber basic unit and nanofiltration separation layer，Described nanometer of Wiki layer is arranged on described between stay tube and described nanofiltration separation layer，The external diameter of described stay tube is 0.4～2.3mm，The wall thickness of described stay tube is 0.1～0.7mm，Described stay tube is inorganic or a stay tube of organic polymer material braiding，The inorganic polymer material of described stay tube is silkworm silk、Copper wire、Stainless steel silk、Nickel foam、One or more in zirconium oxide or alumina metals screen cloth，The organic polymer material of described stay tube is polyethylene terephthalate、Poly(isophthaloyl metaphenylene diamine)、PPTA、Polrvinyl chloride、Polyurethanes、Polyamide、Polypropylene is fine、Polypropylene、Polyethylene、One or more in polyvinyl formal，The material of described nanofiber basic unit is polyamide、Polyurethane、Merlon、Polypropylene is fine、Polyvinyl alcohol、Polylactic acid、Polyoxyethylene、Polymethyl methacrylate、Polyester、Polystyrene、Polrvinyl chloride、Polycaprolactone、Cellulose acetate、Collagen protein、Polyphenyl miaow are frustrated、Ammonium polyacrylate、One or more in polyvinylcarbazole or polyimides.
As the preferred implementation of above-described embodiment, the external diameter of described stay tube is 1.0～2.0mm, and the wall thickness of described stay tube is 0.2～0.5mm.
As the preferred implementation of above-described embodiment, the external diameter of described stay tube is 1.5mm, and the wall thickness of described stay tube is 0.4mm.
nullThis utility model also provides for a kind of equipment producing hollow fiber nanofiltration membrane，Including spinning syringe 200 and syringe needle electrospinning device 100，Described spinning syringe 200 is arranged on the top of described syringe needle electrospinning device，Described syringe needle electrospinning device includes main shaft 10 and cylinder catcher 20，Described cylinder catcher 20 is arranged on described main shaft 10，Described main shaft is connected with external power source，The circumferencial direction at the outside two ends of described cylinder catcher is provided with multiple equally distributed electrostatic spinning syringe needle 30，Described main shaft is connected with outside motor，Described cylinder catcher is circumferentially rotated under the drive of main shaft，The exterior periphery direction of described cylinder catcher 20 is evenly arranged with a multiple described stay tube vertically，Prop up stay tube and complete spinning technique on cylinder catcher 20，Technique is simple and operating efficiency is high，Improve the production efficiency of enterprise，Further enhancing the competitiveness of enterprise.
As the preferred implementation of above-described embodiment, the running voltage of described syringe needle electrospinning device is 10～100KV.
As the preferred implementation of above-described embodiment, described syringe is 5～60cm to the vertical dimension of described cylinder catcher.
This utility model also provides for this utility model and also provides for a kind of method producing hollow fiber nanofiltration membrane, comprises the following steps: S1: the outer surface at a stay tube prepares nanofiber basic unit by electrostatic spinning process；S2: outer surface is compounded with the stay tube of nanofiber basic unit and carries out ionized water and rinse 20～40min, rear defence put in the hothouse of 40～80 DEG C, be dried process 6～10hrs, be positioned in hothouse after completing above-mentioned operation standby；S3: the stay tube after step S2 processes is immersed 60～480s in the aqueous phase monomers solution of 20～25 DEG C, top layer liquid is blotted after taking-up, it is then immersed in the organic facies monomer solution 60～300s of 25 DEG C, outer surface liquid is blotted after taking-up, then in the environment of 50～120 DEG C, carry out heat treatment 1～30min, eventually form hollow fiber nanofiltration membrane；Described step S1 prepares nanofiber basic unit by electrostatic spinning process and specifically includes following steps: A1: selective polymer, by polymer melt or be dissolved in solvent, be stirring uniformly to obtain melt or the solution of polymer.The concentration range of described melt or solution is: 5wt%～100wt%；A2: polymer spinning solution is injected in spinning syringe, syringe needle electrospinning device is adopted to prepare nanofiber layer, wherein: as shown in Figure 2, shown syringe needle electrospinning device 100 includes main shaft 10 and cylinder receptor 20, described main shaft is connected with outside power supply, described cylinder receptor is arranged on described main shaft 10 and circumferentially rotated under the drive of main shaft, the circumferencial direction at described cylinder receptor 20 two ends is provided with equally distributed electrostatic spinning syringe needle 30, the running voltage of described syringe needle electrospinning device is 10～100KV, described spinning syringe is 5～60cm to the vertical dimension of described cylinder catcher；A3: when using syringe needle electrospinning device, the outer ring of cylinder catcher is fixed and be evenly distributed on to electrostatic spinning syringe needle.Meanwhile, stay tube is evenly spaced in the outer ring of cylinder type catcher, and rolls catcher synchronous rotary and press setting speed and advance, and props up a stay tube self and do not carry out spinning motion, and nanofiber is wrapped in the outer surface propping up stay tube uniformly；Described solvent is the solvent dissolving parent's polymer, can be one or more in DMF, normal heptane, dichloromethane, chloroform, hexamethylene, trifluoroacetic acid, toluene, oxolane, acetone, dimethyl sulfoxide, water, ethanol, glycerol, ethylene glycol, Polyethylene Glycol, dimethyl sulfoxide, phenol, amide-type, triethanolamine, alcohol salt, urea, formic acid or acetic acid；Described aqueous phase monomers solution is the aqueous phase monomers solution that polyamine apoplexy due to endogenous wind a kind of is dissolved in aqueous solution to be formed, and wherein polynary amine includes aromatic series and aliphatic two class, and described aromatic series includes m-diaminobenzene., p-phenylenediamine, o-phenylenediamine, equal benzene three is pressed, 4-methylresorcinol diamidogen, m-diaminobenzene .-5-sulfonic acid, N, N-dimethyl-m-phenylenediamine and poly-m-aminophenyl ethylene, described aliphatic includes piperazine, Isosorbide-5-Nitrae-cyclohexanediamine, polyvinyl alcohol, chitosan, polyvinylamine and many amidos polyoxyethylene；Described organic facies monomer solution is the organic facies monomer solution that a kind of in acyl chlorides and isocyanates is dissolved in alkane to be formed, wherein acyl chlorides and isocyanates all include aromatic series and aliphatic two class, described aromatic series includes paraphthaloyl chloride, m-phthaloyl chloride, o-phthaloyl chloride, pyromellitic trimethylsilyl chloride, methylresorcinol diisocyanate, 5-oxygen formyl chloride-isophthaloyl chlorine, 5-isocyanates-isophthaloyl chlorine and methylresorcinol diisocyanate, described aliphatic includes 1,3,5-cyclohexane three formyl chloride and 1,3,4-Pentamethylene. three acyl chlorides；A kind of preparation method producing hollow fiber nanofiltration membrane provided by the invention, its technique is simple, it is easy to operation, is suitable for industrial applications.
Embodiment 1
The first step passes through Advance in Manufacture of Nano-fibers by Electrospinning basic unit at stay tube 1 outer surface:
1,10g polyvinylpyrrolidone is dissolved in 100ml ethanol, obtains the polyvinylpyrrolidone homogeneous solution of 10%.Solution is joined in syringe, described syringe sets and pushes away speed as 9 μ l/min, the golden Rotation of receiver cylinder 10cm of syringe distance, under 20V DC voltage, hydrophilic fiber is received on the stay tube being longitudinally travelled uniformly, the speed that is longitudinally travelled of braided tube is 10cm/min, supports tube body without carrying out spinning motion；
2, the surface recombination obtained is had a stay tube 1 of nanofiber basic unit 2 with by deionized water rinsing 20mins, be positioned over 6hrs in the hothouse of 40 DEG C afterwards, be positioned in hothouse after completing above-mentioned operation stand-by.
Second step forms nanofiltration separation layer 3 at nanofiber basic unit 2 outer surface:
1, configuration aqueous phase and organic facies monomer solution: 10g m-diaminobenzene. and 2g sodium hydroxide are dissolved in 150g water tank and configure aqueous phase monomers solution, takes 10g m-phthaloyl chloride and is dissolved in 190g normal octane and configures organic facies monomer solution；
2, carry out interfacial reaction at nanofiber basic unit 2 outer surface and prepare nanofiltration separation layer 3: prepare with in the aqueous phase monomers solution of a stay tube entrance 25 DEG C of nanofiber basic unit 60 seconds by above-mentioned, then support tube-surface is purged, remove the aqueous phase monomers solution of excess surface, it is then immersed in the organic facies monomer solution 60 seconds of 25 DEG C, taking-up purges, remove the organic facies monomer solution of excess surface, the thermal treatment tunnel of entrance 100 DEG C processes 1 minute afterwards, links with amido link between described nanofiber basic unit 2 and nanofiltration separation layer 3.
Last it is noted that above-described each embodiment is merely to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in previous embodiment still can be modified by it, or wherein part or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model.
Claims (3)
1. the equipment producing hollow fiber nanofiltration membrane, it is characterized in that, including spinning syringe and syringe needle electrospinning device, described spinning syringe is arranged on the top of described syringe needle electrospinning device, described syringe needle electrospinning device includes main shaft and cylinder catcher, described cylinder catcher is arranged on described main shaft, described main shaft is connected with external power source, the circumferencial direction at the outside two ends of described cylinder catcher is provided with multiple equally distributed electrostatic spinning syringe needle, described main shaft is connected with outside motor, described cylinder catcher is circumferentially rotated under the drive of main shaft.
2. the equipment of production hollow fiber nanofiltration membrane according to claim 1, it is characterised in that the running voltage of described syringe needle electrospinning device is 10～100KV.
3. the equipment of production hollow fiber nanofiltration membrane according to claim 1, it is characterised in that described syringe is 5～60cm to the vertical dimension of described cylinder catcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769977.XU CN205379815U (en) | 2015-09-30 | 2015-09-30 | Production hollow fiber receives equipment of filter membrane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769977.XU CN205379815U (en) | 2015-09-30 | 2015-09-30 | Production hollow fiber receives equipment of filter membrane |
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| CN205379815U true CN205379815U (en) | 2016-07-13 |
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| CN201520769977.XU Active CN205379815U (en) | 2015-09-30 | 2015-09-30 | Production hollow fiber receives equipment of filter membrane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233708A (en) * | 2015-09-30 | 2016-01-13 | 北京新源国能科技有限公司 | Hollow fiber nano filter membrane and equipment for producing same |
| CN114225712A (en) * | 2021-12-27 | 2022-03-25 | 湖南沁森高科新材料有限公司 | Seawater desalination membrane and preparation method thereof |
-
2015
- 2015-09-30 CN CN201520769977.XU patent/CN205379815U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233708A (en) * | 2015-09-30 | 2016-01-13 | 北京新源国能科技有限公司 | Hollow fiber nano filter membrane and equipment for producing same |
| CN114225712A (en) * | 2021-12-27 | 2022-03-25 | 湖南沁森高科新材料有限公司 | Seawater desalination membrane and preparation method thereof |
| CN114225712B (en) * | 2021-12-27 | 2024-04-05 | 湖南沁森高科新材料有限公司 | Seawater desalination membrane and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 101399 Beijing, Korea, Camp Town, north of the village of Culture Camp (Airport Road, No. two, No.) (No. 1) Patentee after: BEIJING XINYUAN GUONENG TECHNOLOGY GROUP CO., LTD. Address before: 101399 Beijing, Korea, Camp Town, north of the village of Culture Camp (Airport Road, No. two, No.) (No. 1) Patentee before: Beijing En-e Technologies Co., Ltd. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20220117 Granted publication date: 20160713 |