CN102888668A - Device for preparing hollow fiber ultra-filtering film - Google Patents
Device for preparing hollow fiber ultra-filtering film Download PDFInfo
- Publication number
- CN102888668A CN102888668A CN2011102045446A CN201110204544A CN102888668A CN 102888668 A CN102888668 A CN 102888668A CN 2011102045446 A CN2011102045446 A CN 2011102045446A CN 201110204544 A CN201110204544 A CN 201110204544A CN 102888668 A CN102888668 A CN 102888668A
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- Prior art keywords
- hollow fiber
- ultrafiltration membrane
- fiber ultrafiltration
- equipment
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012510 hollow fiber Substances 0.000 title claims abstract description 45
- 238000001914 filtration Methods 0.000 title abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 40
- 238000005266 casting Methods 0.000 claims abstract description 23
- 238000000108 ultra-filtration Methods 0.000 claims description 39
- 238000003756 stirring Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 239000002994 raw material Substances 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000005187 foaming Methods 0.000 abstract 1
- 238000011045 prefiltration Methods 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000007872 degassing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 238000007654 immersion Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 1
- -1 Polychloroethylene Polymers 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940098773 bovine serum albumin Drugs 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
Abstract
The invention relates to a device for preparing a hollow fiber ultra-filtering film. A main part of the device comprises two reaction kettles, a valve, a connecting pipeline, a membrane casting solution filter, an extruder feeding hopper, a double-screw extruder, an exhaust port, a metering pump, a pre-filter pressure sensor, a mould filter, a post-filter pressure sensor, an inner medium guiding port, a mould, an outer medium slot and an outer medium. Except the outer medium and the outer medium slot, the other components are connected through pipelines. The outer medium and the outer medium slot are arranged under the mould. The device overcomes the processing bottleneck of the traditional production process of the hollow fiber ultra-filtering film that the time for standing by, reducing pressure or centrifuging and de-foaming at least costs hours and even more than ten hours; the efficiency of producing the hollow fiber ultra-filtering film is greatly increased; and the degradation of the raw materials for preparing the hollow fiber ultra-filtering film is omitted, so that the strength and the filtering precision of the hollow fiber ultra-filtering film are increased.
Description
Technical field
The invention belongs to industrial equipment and make field, particularly a kind of equipment of making hollow fiber ultrafiltration membrane.
Technical background
Hollow fiber ultrafiltration membrane is a kind of filter medium made from high molecular synthetic material, and the micropore by hollow fiber ultrafiltration membrane inner surface or outer surface carries out Selective Separation to material, realize to original solution purification, separate and concentrated purpose.Hollow fiber ultrafiltration membrane is widely used in water treatment, medical industry, food industry and environmental project etc.Existing hollow fiber ultrafiltration membrane production method mostly adopt can temperature control, the raw material of dissolving masking in the stirring, compressive reaction still, after blended under agitation is even, obtain casting solution, with casting solution through leave standstill for a long time, after decompression or the evacuation and centrifugal degassing, by measuring pump casting solution and inner gel medium are extruded the tubulose liquid film by spinnerets simultaneously, the airspace that this liquid film process is 0-80 centimetre enters in the outer setting medium solidifies, through rinsing, after the immersion, make hollow fiber ultrafiltration membrane.Because the bubble in the casting solution directly causes the defective in the micropore of hollow fiber ultrafiltration membrane inner surface or outer surface, thereby affect the filtering accuracy of hollow fiber ultrafiltration membrane, therefore at present leave standstill in the hollow fiber ultrafiltration membrane production process, time of decompression or evacuation and centrifugal degassing needs a few hours even tens hours at least, greatly affected the efficient of production hollow fiber ultrafiltration membrane, simultaneously, owing to making the macromolecular material of pleurodiaphragmatic in terspace material in the situation that high-temperature fusion or dissolving are very easy to degrade, causing the physical and chemical performance decline of telolemma product.
Summary of the invention
The purpose of this invention is to provide a kind of equipment of making hollow fiber ultrafiltration membrane, this equipment can improve the production efficiency of making hollow fiber ultrafiltration membrane, guarantees product quality, reduce production costs, and easy to operate.
The objective of the invention is to realize by following scheme: a kind of equipment of making hollow fiber ultrafiltration membrane, equipment body parts comprise two reactors, valve, connecting line, casting solution filter, the reinforced hopper of extruder, double screw extruder, exhaust outlet, measuring pump, the front pressure sensor of filter, die head filter, the rear pressure sensor of filter, interior medium introducing port, die head, outer media slot, outer medium.Except outside medium and the outer media slot, connected by pipeline between the said equipment, outer medium and outer media slot are below die head.It is characterized in that two reactors are the reactor of controllable temperature, stirring and pressurization; Wherein the casting solution filter adopts 40-600 purpose screen pack; Double screw extruder has nature exhaust or decompression exhaust function; The die head filter adopts 80-800 purpose screen pack, and the radical that die head is extruded hollow fiber ultrafiltration membrane is single or many; Die head to outer WATER AS FLOW MEDIUM plan range is 0-80 centimetre.
Adopt the production technology of the said equipment as follows: the raw material that will make hollow fiber ultrafiltration membrane adds among the reactor A, blending and stirring is the rear reactor A that opens evenly, make casting solution enter the double screw extruder loading hopper by the casting solution filter by pressurization in reactor A, through the double screw extruder blend, stir, upgrade the casting solution interface, bubble in the casting solution pressurizes through measuring pump by the exhaust outlet eliminating of twin-screw, through the die head filter with extrude the single or many liquid films of tubulose by die head simultaneously with the inner gel medium, the airspace that this liquid film process is 0-80 centimetre enters in the outer setting medium solidifies, through rinsing, after the immersion, make hollow fiber ultrafiltration membrane.By the using in turn and opening of reactor A, valve A and reactor B, valve B, can realize the purpose that serialization is produced.
The invention has the beneficial effects as follows: since customer service leave standstill in traditional hollow fiber ultrafiltration membrane production process, time of decompression or evacuation and centrifugal degassing needs the technique bottleneck of a few hours even tens hours at least, greatly improved the efficient of production hollow fiber ultrafiltration membrane, reduced simultaneously and made the degraded of hollow fiber ultrafiltration membrane raw material, thereby improved hollow fiber ultrafiltration membrane intensity and filtering accuracy.
Figure of description
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of structural representation of the present invention
Among the figure: 1-reactor A, 2-reactor B, 3-valve A, 4-valve B, 5-connecting line, 6-casting solution filter, the 7-extruder hopper that feeds in raw material, 8-double screw extruder, 9-exhaust outlet, the 10-measuring pump, pressure sensor before the 11-filter, 12-die head filter, the outer media slot of 13-, the outer medium of 14-, 15-hollow fiber ultrafiltration membrane, medium introducing port in the 16-die head, 17-, pressure sensor after the 18-filter.
The specific embodiment
Below in conjunction with specific embodiment such scheme is described further, following embodiment does not limit the scope of the invention for explanation the present invention.Not marked condition is generally the condition in conventional the production among the embodiment.
A kind of equipment of making hollow fiber ultrafiltration membrane, equipment body parts comprise reactor A 1, reactor B2, valve A 3, valve B 4, connecting line 5, casting solution filter 6, the reinforced hopper 7 of extruder, double screw extruder 8, exhaust outlet 9, measuring pump 10, the front pressure sensor 11 of filter, die head filter 12, the rear pressure sensor 18 of filter, interior medium introducing port 17, die head 16, outer media slot 13, outer medium 14.Except outside medium and the outer media slot, connected by pipeline between the said equipment, two reactors are the reactor of controllable temperature, stirring and pressurization, wherein the casting solution filter adopts 100 purpose screen packs, double screw extruder has the nature degassing function, the die head filter adopts 300 purpose screen packs, and die head is extruded 8 hollow fiber ultrafiltration membrane, and die head to outer WATER AS FLOW MEDIUM plan range is 10 centimetres.
Adopt prescription and the technique of the said equipment production hollow fiber ultrafiltration membrane as follows:
| Material | Quality (gram) |
| Polychloroethylene with high polymerization degree (degree of polymerization 2500) | 800 |
| Polyvinylpyrrolidone (K30) | 240 |
| Zinc chloride | 100 |
| Water | 50 |
| TM181 | 20 |
| Dimethyl formamide | 5000 |
It is 80/24/10/5/2/500 polyvinyl chloride (degree of polymerization 2500) with mass ratio, polyvinylpyrrolidone (K30), zinc chloride, water, TM181, among the reactor A that the adding of dimethyl formamide blend is 80 ℃, after 2 hours blending and stirring are even, open reactor A, make casting solution enter the double screw extruder loading hopper by the casting solution filter by pressurization in reactor A, through the double screw extruder blend, stir, upgrade the casting solution interface, bubble in the casting solution is got rid of by the exhaust outlet of twin-screw, casting solution pressurizes through measuring pump, extrude 8 liquid films of tubulose by die head simultaneously through die head filter and inner gel medium, this liquid film enters curing in the outer setting medium (20 ℃ water) through 10 centimetres airspace, through rinsing in 20 hours, soak in 25% glycerol liquor after 12 hours, make PVC hollow fiber ultrafiltration membrane.The rear pressure sensor 18 of pressure sensor 11 and filter is monitored respectively the casting solution pressure of die head filter and die head before the filter, guarantees the casting solution steady extruding.Using in turn and opening, realization serialization production by reactor A, valve A and reactor B, valve B.Adopt the hollow fiber ultrafiltration membrane of the said equipment production after measured, 1.9 millimeters of film silk external diameters, film silk wall thickness 0.3-0.50 millimeter, pure water flux 800L/m
2H (0.1MPa, external pressure); Bovine serum albumin (67000MW) rejection 99%, tension failure power is worth 9.8 newton, elongation at break 50%, fracture pressure 0.50MPa.
Since customer service leave standstill in traditional hollow fiber ultrafiltration membrane production process, time of decompression or evacuation and centrifugal degassing needs the technique bottleneck of a few hours even tens hours at least, greatly improved the efficient of production hollow fiber ultrafiltration membrane, reduced simultaneously and made the degraded of hollow fiber ultrafiltration membrane raw material, thereby improved hollow fiber ultrafiltration membrane intensity and filtering accuracy.
Claims (7)
1. an equipment of making hollow fiber ultrafiltration membrane is characterized in that the equipment body parts comprise two reactors, valve, connecting line, casting solution filter, the reinforced hopper of extruder, double screw extruder, exhaust outlet, measuring pump, the front pressure sensor of filter, die head filter, the rear pressure sensor of filter, interior medium introducing port, die head, outer media slot, outer medium.Except outside medium and the outer media slot, connected by pipeline between the said equipment, outer medium and outer media slot are below die head.
2. a kind of equipment of making hollow fiber ultrafiltration membrane according to claim 1 is characterized in that two reactors are the reactor of controllable temperature, stirring and pressurization.
3. a kind of equipment of making hollow fiber ultrafiltration membrane according to claim 1 is characterized in that the casting solution filter adopts 40-600 purpose screen pack.
4. a kind of equipment of making hollow fiber ultrafiltration membrane according to claim 1 is characterized in that double screw extruder has nature exhaust or decompression exhaust function.
5. a kind of equipment of making hollow fiber ultrafiltration membrane according to claim 1 is characterized in that the die head filter adopts 80-800 purpose screen pack.
6. a kind of equipment of making hollow fiber ultrafiltration membrane according to claim 1 is characterized in that it is single or many that die head is extruded the radical of hollow fiber ultrafiltration membrane.
7. a kind of equipment of making hollow fiber ultrafiltration membrane according to claim 1 is characterized in that die head to outer WATER AS FLOW MEDIUM plan range is 0-80 centimetre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110204544.6A CN102888668B (en) | 2011-07-21 | 2011-07-21 | A kind of technique by device fabrication hollow fiber ultrafiltration membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110204544.6A CN102888668B (en) | 2011-07-21 | 2011-07-21 | A kind of technique by device fabrication hollow fiber ultrafiltration membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102888668A true CN102888668A (en) | 2013-01-23 |
| CN102888668B CN102888668B (en) | 2015-10-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103505937A (en) * | 2013-10-20 | 2014-01-15 | 丹阳市正大油脂有限公司 | Ultrafiltration membrane stirring and filtering device |
| CN111467972A (en) * | 2020-04-02 | 2020-07-31 | 苏州立升净水科技有限公司 | Hollow fiber membrane production line and preparation method of hollow fiber membrane |
| CN111644074A (en) * | 2020-07-17 | 2020-09-11 | 安徽森诺膜技术有限公司 | Polyvinylidene fluoride hollow fiber membrane and preparation method thereof |
| CN112481708A (en) * | 2019-09-11 | 2021-03-12 | 宁波国际材料基因工程研究院有限公司 | High-flux polymer fiber preparation equipment and preparation method thereof |
| CN114733364A (en) * | 2021-01-07 | 2022-07-12 | 杭州费尔新材料有限公司 | Preparation method of low-impurity polyolefin hollow fiber membrane |
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| US5171493A (en) * | 1988-12-22 | 1992-12-15 | Societe Lyonnaise Des Eaux (Societe Anonyme) | Process for extruding semi-permeable membrane having separate hollow passageways |
| US5250240A (en) * | 1991-08-09 | 1993-10-05 | Korea Institute Of Science And Technology | Process for the preparation of porous polyolefin separation membranes via thermally-induced phase separation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103505937A (en) * | 2013-10-20 | 2014-01-15 | 丹阳市正大油脂有限公司 | Ultrafiltration membrane stirring and filtering device |
| CN112481708A (en) * | 2019-09-11 | 2021-03-12 | 宁波国际材料基因工程研究院有限公司 | High-flux polymer fiber preparation equipment and preparation method thereof |
| CN111467972A (en) * | 2020-04-02 | 2020-07-31 | 苏州立升净水科技有限公司 | Hollow fiber membrane production line and preparation method of hollow fiber membrane |
| CN111644074A (en) * | 2020-07-17 | 2020-09-11 | 安徽森诺膜技术有限公司 | Polyvinylidene fluoride hollow fiber membrane and preparation method thereof |
| CN111644074B (en) * | 2020-07-17 | 2022-12-30 | 安徽森诺膜技术有限公司 | Polyvinylidene fluoride hollow fiber membrane and preparation method thereof |
| CN114733364A (en) * | 2021-01-07 | 2022-07-12 | 杭州费尔新材料有限公司 | Preparation method of low-impurity polyolefin hollow fiber membrane |
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|---|---|
| CN102888668B (en) | 2015-10-14 |
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Effective date of registration: 20180904 Address after: 224300 No. 2, Northwest Road, Airport Road, Pioneer Park, hop Town, Sheyang, Yancheng City, Jiangsu Patentee after: Jiangsu Jin Tong Technology Co.,Ltd. Address before: 100083 D, 1109, Cheng Sheng mansion, 28 Cheng Fu Road, Haidian District, Beijing. Patentee before: BEIJING KINGFLUX TECH Co.,Ltd. |
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Effective date of registration: 20231206 Address after: Room 01211, Building 1, No. 68 Beiqing Road, Haidian District, Beijing, 100081 Patentee after: BEIJING KINGFLUX TECH Co.,Ltd. Address before: 224300 No. 2, Northwest Road, Airport Road, Pioneer Park, hop Town, Sheyang, Yancheng City, Jiangsu Patentee before: Jiangsu Jin Tong Technology Co.,Ltd. |
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