CN104801199A - Phase-inversion casting film solidification and drying device and phase-inversion casting film solidification and drying technology - Google Patents
Phase-inversion casting film solidification and drying device and phase-inversion casting film solidification and drying technology Download PDFInfo
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- CN104801199A CN104801199A CN201510153896.1A CN201510153896A CN104801199A CN 104801199 A CN104801199 A CN 104801199A CN 201510153896 A CN201510153896 A CN 201510153896A CN 104801199 A CN104801199 A CN 104801199A
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Abstract
The invention discloses a phase-inversion casting film solidification and drying device and a phase-inversion casting film solidification and drying technology. The device comprises a water tank, a drying box, driving wheels and driven wheels, wherein the driving wheels are arranged at the top ends on the two sides of the water tank; the plurality of driven wheels are fixedly mounted inside the water tank, and are connected through a plastic film; the two ends of the plastic film are respectively connected with the driving wheels; a drying box is arranged on one side of the water tank; the plastic film penetrates through the drying box. The technology comprises the steps of casting slurry preparation, solidification, drying and collecting. According to the device, the solidification and drying process of a phase-inversion casting film is simplified, the solidification of the casting film and the drying of the casting film are effectively combined, the period of the preparation process is shortened, and the number of procedures of the preparation is reduced, the production time and the product cost are reduced, the recycling of a solvent in the casting solvent is facilitated, the casting film is uniform in thickness and high in quality, the device is simple, the cost is low, and the continuous product can be implemented.
Description
Technical field
The present invention relates to a kind of processing unit (plant) and technique of casting films, be specially a kind of inversion of phases casting films and solidify and drying device and technique thereof.
Background technology
Inversion of phases casting technology: first powder, organic solvent, dispersant and binding agent etc. are mixed with homogeneous phase casting solution, the method of flow casting molding is adopted casting solution to be made dull and stereotyped laminated structure, again casting films is immersed in the water and the solvent in film and water generation mass transfer are exchanged, change the thermodynamic state of casting solution, it is made to be separated, an orderly gel structure is transformed into, final film-forming from the polymer solution of homogeneous phase.This technology is widely used in the fields such as counter-infiltration, dialysis, ultrafiltration and gas separaion at present, and the ordered porous structural obtained due to it in recent years has good mass transfer effect, is also used to gradually in the preparation process of oxygen permeation membrane and SOFC.Common preparation process be the diaphragm that curtain coating is good is sheared after be put in coagulating bath water tank, carry out phase transformation, then carry out drying by being put in drying box after the patterning be cured.This process is loaded down with trivial details is unfavorable for continuous prodution.Patent " solution phase inversion casting solution displacement dissolving device " (application number: 201110276560.6), provide a kind of solvent displacement dissolving device, but also, there are the following problems: 1, apparatus design is complicated, 2, vertical base band transmission is not suitable for the preparation of tape casting diaphragm, because just curtain coating diaphragm out does not also solidify, slurry has mobility, can flow under gravity, cause in uneven thickness, 3, there is no drying device, be unfavorable for follow-up production process.
Therefore, for the problems referred to above, the present invention proposes a kind of new technical scheme.
Summary of the invention
The object of this invention is to provide that a kind of structure is simple, cost is low, easy to operate, quantity-produced inversion of phases casting films can be realized solidify and drying device and technique.
The present invention is achieved through the following technical solutions:
A kind of inversion of phases casting films is solidified and drying device, comprise tank, drying box, driving wheel and driven pulley, top, described tank both sides is equipped with driving wheel, tank inside is installed with several driven pulleys, connected by plastic foil between driven pulley, described plastic foil two ends connect driving wheel respectively, and described tank side is provided with drying box, and described plastic foil is through drying box.
Further, driven pulley is divided into left and right two rows, and is distributed in tank stragglyly.
Further, described tank side is respectively equipped with water inlet and delivery port, described water inlet and delivery port and drying box homonymy.
Further, described water inlet is positioned at above delivery port.
A kind of inversion of phases casting films is solidified and drying process, comprises the following steps:
A, casting slurry prepare: the pore creating material mixing and stirring of the dispersant of the solvent of the powder of 50 mass parts, 10 ~ 30 mass parts, 3 ~ 15 mass parts, the binding agent of 3 ~ 15 mass parts and 0 ~ 20 mass parts is obtained casting slurry, for subsequent use;
B, to solidify: the casting slurry prepared is coated with on the plastic film equably, plastic foil is by driving wheel and the common effect of driven pulley, move with the speed of 0.01 ~ 0.1m/mim, casting slurry on plastic foil time controling from inlet water to outlet water at 2 ~ 20h, water outlet and the process of setting completed casting films;
C, drying: the casting films of having solidified enters drying box by the effect of driving wheel, then carry out drying by drying box to casting films, and dry time controling is at 3 ~ 20h, and temperature controls at 50 ~ 90 DEG C;
D, collection: dried casting films cooled, then cut out, can collect, and treats that next process uses.
Further, in described step a, powder is altogether stable zirconia, cerium oxide and the scandium oxide co-stabilizing zirconia of yttria-stabilized zirconia, scandium oxide-stabilizing zirconia, yittrium oxide and scandium oxide, strontium magnesium doped lanthanum gallate, samarium oxide doped cerium oxide, gadolinia-doped ceria or strontium zirconate or doping barium zirconate or strontium cerate or barium cerate or La
2mo
2o
9or BaZr
0.1ce
0.7y
0.2 – xyb
xo
3 – dor NiO or CuO or La
1-xsr
xcr
1-ymn
yo
3-zor La
1-xsr
xtiO
3-zor Sr
2mg
1-xmn
xmoO
6-zor Sr
2fe
1-xmo
xo
6-zor LaSr
2fe
3-ycr
yo
8or La
1-xsr
xmnO
3-zor Sm
0.5sr
0.5coO
3-zor La
1-xsr
xco
1-yfe
yo
3-zor La
1-xsr
xfeO
3-zor La
1-xsr
xcoO
3-zor Ba
1-xsr
xco
1-yfe
yo
3-zor Co (BSCF)
3o
4or LaNi
2o
4the compound of one or more wherein.
Further, in described step a, solvent is from 1-methyl-2-pyrrolidones, dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO) wherein any one or a few.
Further, in described step a, dispersant is fish oil, triethanolamine, polyvinylpyrrolidone, polyethylene glycol, acrylic resin wherein any one or a few.
Further, in described step a, binding agent is wherein any one or a few such as polyvinyl alcohol, polyvinyl butyral resin, polyether sulfone, polysulfones, Kynoar.
Further, in described step a, pore creating material is graphite, starch, PMMA wherein any one or a few.
The invention has the beneficial effects as follows: with have compared with technology mutually, this device and technique simplify solidifying of inversion of phases casting films and dry run, casting films are solidified simultaneously and effectively combine with drying steps, shorten cycle and the operation of preparation process, production time and production cost are saved, and this device is convenient to the recycling of solvent in casting films, casting films thickness is even, quality is high, and device is simple, and cost is low, can realize continuous prodution.
Accompanying drawing explanation
Fig. 1 is that a kind of inversion of phases casting films of the present invention solidifies the structural representation with drying device.
Wherein: 1, tank, 2, plastic foil, 3, drying box, 4, driving wheel, 5, driven pulley 6, delivery port, 7, water inlet.
Detailed description of the invention
A kind of inversion of phases casting films is solidified and drying device as shown in Figure 1, comprise tank 1, drying box 3, driving wheel 4 and driven pulley 5, top, tank 1 both sides is equipped with driving wheel 4, tank 1 inside is installed with several driven pulleys 5, connected by plastic foil 2 between driven pulley 5, plastic foil 2 two ends connect driving wheel 4 respectively, and tank 1 side is provided with drying box 3, and plastic foil 2 is through drying box 3.Plastic foil 3 is loaded with casting slurry, driven pulley 5 is divided into left and right two rows, and be distributed in tank 1 stragglyly, and make plastic foil 2 form the structure of some sections of horizontal horizontal lines, tank 1 side is respectively equipped with water inlet 7 and delivery port 6, water inlet 7 and delivery port 6 and drying box 3 homonymy, water inlet 7 is positioned at above delivery port 6.
Embodiment 1
A kind of inversion of phases casting films is solidified and drying process, comprise the following steps: a, casting slurry prepare: by the zirconia of the yittrium oxide of 4 mass parts, 46 mass parts, 10 mass parts obtain casting slurry from the graphite pore former mixing and stirring of 1-methyl-2-pyrrolidones, the fish oil of 3 mass parts, the polyvinyl alcohol of 3 mass parts and 1 mass parts, for subsequent use; B, to solidify: the casting slurry prepared is coated with on the plastic film equably, plastic foil is by driving wheel and the common effect of driven pulley, move with the speed of 0.01m/mim, the time controling from inlet water to outlet water of the casting slurry on plastic foil at 2h, water outlet and the process of setting completed casting films; C, drying: the casting films of having solidified enters drying box by the effect of driving wheel, then carry out drying by drying box to casting films, and dry time controling is at 3h, and temperature controls at 50 DEG C; D, collection: dried casting films cooled, then cut out, can collect, and treats that next process uses.
Embodiment 2
A kind of inversion of phases casting films is solidified and drying process, comprise the following steps: a, casting slurry prepare: the starch mixing and stirring of the triethanolamine of the dimethyl formamide of the zirconia of the scandium oxide of 5 mass parts, 45 mass parts, 20 mass parts, 8 mass parts, the polyvinyl butyral resin of 8 mass parts and 10 mass parts is obtained casting slurry, for subsequent use; B, to solidify: the casting slurry prepared is coated with on the plastic film equably, plastic foil is by driving wheel and the common effect of driven pulley, move with the speed of 0.5m/mim, the time controling from inlet water to outlet water of the casting slurry on plastic foil at 5h, water outlet and the process of setting completed casting films; C, drying: the casting films of having solidified enters drying box by the effect of driving wheel, then carry out drying by drying box to casting films, and dry time controling is at 8h, and temperature controls at 60 DEG C; D, collection: dried casting films cooled, then cut out, can collect, and treats that next process uses.
Embodiment 3
A kind of inversion of phases casting films is solidified and drying process, comprise the following steps: a, casting slurry prepare: the PMMA mixing and stirring of the acrylic resin of the dimethylacetylamide of the zirconia of the scandium oxide of the yittrium oxide of 4 mass parts, 1 mass parts, 45 mass parts, 30 mass parts, 15 mass parts, the polyether sulfone of 15 mass parts and 20 mass parts is obtained casting slurry, for subsequent use; B, to solidify: the casting slurry prepared is coated with on the plastic film equably, plastic foil is by driving wheel and the common effect of driven pulley, move with the speed of 0.1m/mim, the time controling from inlet water to outlet water of the casting slurry on plastic foil at 20h, water outlet and the process of setting completed casting films; C, drying: the casting films of having solidified enters drying box by the effect of driving wheel, then carry out drying by drying box to casting films, and dry time controling is at 20h, and temperature controls at 90 DEG C; D, collection: dried casting films cooled, then cut out, can collect, and treats that next process uses.
This device and technique simplify solidifying of inversion of phases casting films and dry run, casting films is solidified simultaneously and effectively combine with drying steps, shorten cycle and the operation of preparation process, save production time and production cost, and, this device is convenient to the recycling of solvent in casting films, casting films thickness is even, and quality is high, and device is simple, cost is low, can realize continuous prodution.
The above is only embodiments of the invention, is not restriction the present invention being made to any other form, and any amendment done according to technical spirit of the present invention or equivalent variations, still belong to the present invention's scope required for protection.
Claims (10)
1. an inversion of phases casting films is solidified and drying device, comprise tank, drying box, driving wheel and driven pulley, it is characterized in that: top, described tank both sides is equipped with driving wheel, tank inside is installed with several driven pulleys, connected by plastic foil between driven pulley, described plastic foil two ends connect driving wheel respectively, and described tank side is provided with drying box, and described plastic foil is through drying box.
2. a kind of inversion of phases casting films is solidified and drying device according to claim 1, it is characterized in that: driven pulley is divided into left and right two rows, and is distributed in tank stragglyly.
3. a kind of inversion of phases casting films is solidified and drying device according to claim 1, it is characterized in that: described tank side is respectively equipped with water inlet and delivery port, described water inlet and delivery port and drying box homonymy.
4. a kind of inversion of phases casting films is solidified and drying device according to claim 3, it is characterized in that: described water inlet is positioned at above delivery port.
5. a kind of inversion of phases casting films is solidified and drying process according to claim 1, it is characterized in that: comprise the following steps:
A, casting slurry prepare: the pore creating material mixing and stirring of the dispersant of the solvent of the powder of 50 mass parts, 10 ~ 30 mass parts, 3 ~ 15 mass parts, the binding agent of 3 ~ 15 mass parts and 0 ~ 20 mass parts is obtained casting slurry, for subsequent use;
B, to solidify: the casting slurry prepared is coated with on the plastic film equably, plastic foil is by driving wheel and the common effect of driven pulley, move with the speed of 0.01 ~ 0.1m/mim, casting slurry on plastic foil time controling from inlet water to outlet water at 2 ~ 20h, water outlet and the process of setting completed casting films;
C, drying: the casting films of having solidified enters drying box by the effect of driving wheel, then carry out drying by drying box to casting films, and dry time controling is at 3 ~ 20h, and temperature controls at 50 ~ 90 DEG C;
D, collection: dried casting films cooled, then cut out, can collect, and treats that next process uses.
6. a kind of inversion of phases casting films is solidified and drying process according to claim 5, it is characterized in that: in described step a, powder is altogether stable zirconia, cerium oxide and the scandium oxide co-stabilizing zirconia of yttria-stabilized zirconia, scandium oxide-stabilizing zirconia, yittrium oxide and scandium oxide, strontium magnesium doped lanthanum gallate, samarium oxide doped cerium oxide, gadolinia-doped ceria or strontium zirconate or doping barium zirconate or strontium cerate or barium cerate or La
2mo
2o
9or BaZr
0.1ce
0.7y
0.2 – xyb
xo
3 – dor NiO or CuO or La
1-xsr
xcr
1-ymn
yo
3-zor La
1-xsr
xtiO
3-zor Sr
2mg
1-xmn
xmoO
6-zor Sr
2fe
1-xmo
xo
6-zor LaSr
2fe
3-ycr
yo
8or La
1-xsr
xmnO
3-zor Sm
0.5sr
0.5coO
3-zor La
1-xsr
xco
1-yfe
yo
3-zor La
1-xsr
xfeO
3-zor La
1-xsr
xcoO
3-zor Ba
1-xsr
xco
1-yfe
yo
3-zor Co (BSCF)
3o
4or LaNi
2o
4the compound of one or more wherein.
7. a kind of inversion of phases casting films is solidified and drying process according to claim 5, it is characterized in that: in described step a, solvent is from 1-methyl-2-pyrrolidones, dimethyl formamide, dimethylacetylamide, dimethyl sulfoxide (DMSO) wherein any one or a few.
8. a kind of inversion of phases casting films is solidified and drying process according to claim 5, it is characterized in that: in described step a, dispersant is fish oil, triethanolamine, polyvinylpyrrolidone, polyethylene glycol, acrylic resin wherein any one or a few.
9. a kind of inversion of phases casting films is solidified and drying process according to claim 5, it is characterized in that: in described step a, binding agent is wherein any one or a few such as polyvinyl alcohol, polyvinyl butyral resin, polyether sulfone, polysulfones, Kynoar.
10. a kind of inversion of phases casting films is solidified and drying process according to claim 5, it is characterized in that: in described step a, pore creating material is graphite, starch, PMMA wherein any one or a few.
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Cited By (3)
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| CN106784875A (en) * | 2016-12-27 | 2017-05-31 | 广东环境保护工程职业学院 | The method that quick production prepares tabular SOFC core component |
| CN107009559A (en) * | 2017-03-17 | 2017-08-04 | 天津工业大学 | A kind of preparation method of three-dimension code diaphragm |
| CN111244467A (en) * | 2018-11-27 | 2020-06-05 | 中国科学院大连化学物理研究所 | Method for stabilizing cathode of solid oxide fuel cell |
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| US20030015466A1 (en) * | 2001-03-26 | 2003-01-23 | Koch Membrane Systems | Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes |
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