CN203228339U - Membrane-forming system for preparing perfluorinated ionic membrane by adopting tape-casting method - Google Patents
Membrane-forming system for preparing perfluorinated ionic membrane by adopting tape-casting method Download PDFInfo
- Publication number
- CN203228339U CN203228339U CN 201320250274 CN201320250274U CN203228339U CN 203228339 U CN203228339 U CN 203228339U CN 201320250274 CN201320250274 CN 201320250274 CN 201320250274 U CN201320250274 U CN 201320250274U CN 203228339 U CN203228339 U CN 203228339U
- Authority
- CN
- China
- Prior art keywords
- forming system
- ionic membrane
- perfluorinated ionic
- membrane
- water tank
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model relates to a membrane-forming system for preparing a perfluorinated ionic membrane by adopting a tape-casting method. The membrane-forming system is simple in structure and convenient to use and can effectively prevent the perfluorinated ionic membrane from being adhered with a steel strip. The technical scheme is as follows: the membrane-forming system is connected below the tape-casting nozzle of an extruder and sequentially comprises a pretreatment device, an air-drying device and a uniform material pressing device, wherein the pretreatment device comprises a water tank, a water collecting tank and a lifting pump; the water tank is arranged below the tape-casting nozzle; the air-drying device comprises an annular steel strip, a pair of air blowers and a pair of driving rollers; the annular steel strip is driven by the pair of driving rollers; the pair of air blowers are symmetrically arranged at both sides of the annular steel strip; the uniform material pressing device comprises a vibrating eccentric swage and a pressure maintaining roller. The membrane-forming system disclosed by the utility model has the advantages of simplicity and convenience in a processing process, good processing effect, high processing efficiency, high finished product ratio, and the like.
Description
Technical field
The utility model relates to perfluorinated ionic membrane production and processing field, relates in particular to the improvement that the curtain coating legal system is equipped with the film-forming system of perfluorinated ionic membrane.
Background technology
Perfluorinated ionic membrane has outstanding anti-solvent, acid and alkali-resistance, resistance to oxidation, weatherability and chemical stability.Perfluorinated ionic membrane in outdoor placement one, can not become fragile or produce be full of cracks in 20 years yet, be the ultra violet lamp 1 year of 20 ~ 400nm with wavelength, its performance is constant substantially.Its preparation method mainly contains phase inversion (immersion precipitation, thermally induced phase separation, assisted evaporative thermic are separated etc.), pulling method and sintering process etc. in the prior art, and wherein phase inversion is one of the most frequently used method.
At present, for improving film forming speed and the operating efficiency of perfluorinated ionic membrane, State Bureau has announced a " gel is extruded the curtain coating legal system and is equipped with polyvinylidene fluoride microporous film " by name on August 29th, 2012, application number is the document of " 201110043356.X ", has disclosed in this case for a kind of gel and has extruded the technology that the curtain coating legal system is equipped with polyvinylidene fluoride microporous film.Wherein, Kynoar is sent into extruder through feeding machine, flowing out to film forming on the steel band from mould mouth mould (being the curtain coating mouth), make, casting film-forming and dry solidification are finished synchronously at roller or steel band, and technology is simple, film forming speed is fast and efficient is high, thickness is evenly adjustable.
Yet, in actual production practice, it is found that there are following several point defects in it in this case: thereby one, perfluorinated ionic membrane very easily with steel band the sticking glutinous yield rate that has significantly reduced perfluorinated ionic membrane takes place during film forming on steel band, makes percent defective significantly increase; Two, because steel band is in the stressed state that is heated for a long time, after long-time the use, its shape certainly will change, thus the processing effect when significantly reducing the perfluorinated ionic membrane film forming; When three, perfluorinated ionic membrane is fallen on the steel band from the curtain coating mouth, be subjected to material self tension force and and steel band between frictional force influence, often cause the uniformity of perfluorinated ionic membrane of output relatively poor, the thick problem in thin center, both sides is often arranged after the film forming, brought great inconvenience for follow-up processing and use.
The utility model content
The utility model provides a kind of simple in structure, easy to use at above problem, and it is sticking glutinous effectively to avoid perfluorinated ionic membrane and steel band to take place, thereby significantly promotes yield rate and the film-formation result of perfluorinated ionic membrane; Simultaneously, can make open and flat degree after the perfluorinated ionic membrane film forming well, the uniform The tape casting of thickness prepares the film-forming system of perfluorinated ionic membrane.
The technical solution of the utility model is: be connected the below of the curtain coating mouth of extruder, described film-forming system comprises pretreatment unit, air-dry apparatus and even material pressing device successively;
Described pretreatment unit comprises water tank, collecting-tank and the elevator pump that is located at curtain coating mouth below; Be provided with insulation liquid in described water tank and the collecting-tank, described collecting-tank is located at the below of the delivery port of described water tank, enters the water inlet of described water tank by the insulation liquid in the described elevator pump driving collecting-tank;
Described air-dry apparatus comprises ring steel belt, a pair of air blast and a pair of driven roller; Drive described ring steel belt by a pair of driven roller, the both sides that are located at described ring steel belt of a pair of described air blast symmetry;
Described even material pressing device involving vibrations eccentric swage and pressurize roller.
Described water tank is horizontal by 25 ~ 50 ° of angles.
Described water tank is horizontally disposed with; The density of described insulation liquid is greater than the density of perfluorinated ionic membrane.
Described insulation liquid is saturated brine.
The both sides of the edge of described steel band raise up.
Described film-forming system also comprises the drawing mechanism that connects described even material pressing device.
The utility model has changed traditional film-forming process, makes perfluorinated ionic membrane pass through pretreatment unit, air-dry apparatus and even material pressing device successively after the curtain coating mouth flows out, and finally carries out quality testing at drawing mechanism.It is simple, convenient to have processing technology, and processing effect is good, working (machining) efficiency height and yield rate advantages of higher.
Specifically, when the utility model makes in water tank and to enter ring steel belt through pretreated perfluorinated ionic membrane on the surface adhesive tape be incubated liquid on a small quantity, utilize these insulation liquid effectively between ring steel belt and perfluorinated ionic membrane, to form separation layer at the air-dry initial stage, thereby avoided sticking sticking taken place between perfluorinated ionic membrane and the steel band, and then significantly promoted yield rate and the processing effect of perfluorinated ionic membrane.
In addition, water tank is horizontally disposed with in optimization embodiment of the present utility model; Like this, can effectively avoid being incubated in a large number liquid trickling or splash on the ring steel belt, thereby reduce the air-dry effect of air-dry apparatus; Simultaneously, can be at perfluorinated ionic membrane after flowing down through the curtain coating mouth, can utilize insulation liquid that perfluorinated ionic membrane is played flexible support and buffering is unloaded the power effect.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is optimization embodiment schematic diagram of the present utility model;
1 is extruder among the figure, the 2nd, and curtain coating mouth, the 3rd, pretreatment unit, the 31st, water tank, the 310th, guide reel, the 32nd, collecting-tank, the 320th, collection salt pond, the 33rd, elevator pump, the 34th, heating plate, the 4th, air-dry apparatus, the 41st, ring steel belt, the 42nd, air blast, the 43rd, driven roller, the 5th, even material pressing device, the 51st, vibration eccentric swage, the 52nd, pressurize roller, the 6th, drawing mechanism.
The specific embodiment
The utility model is connected the below of the curtain coating mouth 2 of extruder 1 shown in Fig. 1-2, described film-forming system comprises pretreatment unit 3, air-dry apparatus 4 and even material pressing device 5 successively;
Described pretreatment unit 3 comprises water tank 31, collecting-tank 32 and the elevator pump 33 that is located at curtain coating mouth 2 belows; Be provided with insulation liquid in described water tank 31 and the collecting-tank 32, described collecting-tank 32 is located at the below of the delivery port of described water tank 31, enter the water inlet of described water tank 31 by the insulation liquid in the described elevator pump 33 driving collecting-tanks 32, make insulation liquid in the water tank 31 under the effect of elevator pump 33, remain by water inlet and flow to delivery port, thereby make the perfluorinated ionic membrane in the water tank under the promotion of current, transfer out through delivery port; Described insulation liquid is heated to 60 ~ 80 ℃ by the heating plate 34 of collecting-tank 32 bottoms; Described water tank 31 also comprises guide reel 310, and described guide reel 310 is in the delivery port of described water tank 31, is used for guiding perfluorinated ionic membrane to transfer out from the delivery port of water tank;
Described air-dry apparatus 4 comprises that ring steel belt 41, a pair of air blast 42(can blow out 40 ~ 60 ℃ hot blast) and a pair of driven roller 43; Drive described ring steel belt 41 by a pair of driven roller 43, the both sides that are located at described ring steel belt 41 of a pair of described air blast 42 symmetries make ring steel belt 41 move between a pair of air blast 42, have significantly promoted stability and the service life of ring steel belt 41; Be arranged in described collecting-tank 32 tops (making the insulation liquid that flows out from water tank can enter collecting-tank smoothly) near the driven roller of described pretreatment unit 31, be provided with collection salt pond 320(away from the driven roller below of described pretreatment unit 3 and make the salt grain at the dry and hard crystalline substance of ring steel belt windward to fall in the collection salt pond under the transportation at steel band);
Like this, its surface was incubated liquid on a small quantity with adhesive tape when the pretreated perfluorinated ionic membrane of process entered ring steel belt 41 in water tank 31, utilize these insulation liquid effectively between ring steel belt and perfluorinated ionic membrane, to form separation layer at the air-dry initial stage, thereby avoided sticking sticking taken place between perfluorinated ionic membrane and the steel band, and then significantly promoted yield rate and the processing effect of perfluorinated ionic membrane;
Described even material pressing device 5 involving vibrations eccentric swages 51 and pressurize roller 52.Make on ring steel belt to enter vibration eccentric swage and pressurize roller successively through air-dry perfluorinated ionic membrane, thereby significantly promoted the uniformity peace latitude of emulsion after the perfluorinated ionic membrane film forming.
Described water tank 31 is horizontal by 25 ~ 50 ° of angles.Like this, but after perfluorinated ionic membrane flows out from the curtain coating mouth, can under the impact of oblique current down, cool off while transporting, and finally from the teeth outwards adhesive tape be incubated liquid on a small quantity and enter in the ring steel belt.
Described water tank 31 is horizontally disposed with; Like this, can effectively avoid being incubated in a large number liquid trickling or splash on the ring steel belt, thereby reduce the air-dry effect of air-dry apparatus; Simultaneously, can be at perfluorinated ionic membrane after flowing down through the curtain coating mouth, perfluorinated ionic membrane is played flexible support to utilization insulation liquid and buffering is unloaded the power effect;
The density of described insulation liquid is greater than the density of perfluorinated ionic membrane.On the one hand, make perfluorinated ionic membrane enter and to swim in smoothly behind the water tank on the insulation liquid, thereby can carry dried up case via guide reel smoothly along with current; On the other hand, perfluorinated ionic membrane only leaves behind the water tank, and the lower surface adhesive tape has a small amount of insulation liquid, thereby when not influencing isolation annular steel band and perfluorinated ionic membrane and avoiding the two sticking glutinous, also can significantly promote air-dry effect and working (machining) efficiency, and then significantly promote the processing effect of perfluorinated ionic membrane.
Described insulation liquid is saturated brine (because the density ≈ 1.33g/cm3 of saturated brine, and the density ≈ 1.17g/cm3 of perfluorinated ionic membrane, make perfluorinated ionic membrane enter water tank then can swim in smoothly on the insulation liquid).During use, can be transported in the collecting-tank by salt artificial or that machinery will collect in the salt pond, to guarantee that undissolved salt crystalline substance is arranged in the collecting-tank all the time.
The both sides of the edge of described steel band 41 raise up.Like this, can carry out it being played effective support effect when air-dry at perfluorinated ionic membrane.
Described film-forming system also comprises the drawing mechanism 6 that connects described even material pressing device 5.Described drawing mechanism comprises conveyer belt and pair of driving wheels.Make perfluorinated ionic membrane at room temperature further cool off by drawing mechanism, simultaneously, make the staff to carry out quality testing and examination to perfluorinated ionic membrane at this moment.
The tape casting prepares the film-forming process of the film-forming system of perfluorinated ionic membrane, carries out film forming according to the following steps:
1), curtain coating: raw material is put into extruder 1 processing, and from curtain coating mouth 2, flow out; Temperature when perfluorinated ionic membrane flows out herein is 200 ~ 215 ℃, can be cooled to 180 ~ 200 ℃ simultaneously before falling into water tank;
2), preliminary treatment: make perfluorinated ionic membrane tentatively cool off in insulation liquid, the temperature that control insulation liquid enters water tank 31 is 60 ~ 80 ℃; Make perfluorinated ionic membrane in water tank, tentatively to cool off;
3), air-dry: as to have the perfluorinated ionic membrane of insulation liquid to send in the ring steel belt 41 adhesive tape, and under 40 ~ 60 ℃ hot blast, carry out air-dry; Make perfluorinated ionic membrane to do and the secondary cooling in the enterprising sector-style of ring steel belt;
4), binder: the perfluorinated ionic membrane after air-dry is sent into vibration eccentric swage and pressurize roller successively;
5), discharging: the perfluorinated ionic membrane that pressurize is finished is sent into drawing mechanism, at room temperature further cool off, and carry out quality testing; Finish.
Claims (6)
1. The tape casting prepares the film-forming system of perfluorinated ionic membrane, is connected the below of the curtain coating mouth of extruder, it is characterized in that, described film-forming system comprises pretreatment unit, air-dry apparatus and even material pressing device successively;
Described pretreatment unit comprises water tank, collecting-tank and the elevator pump that is located at curtain coating mouth below; Be provided with insulation liquid in described water tank and the collecting-tank, described collecting-tank is located at the below of the delivery port of described water tank, enters the water inlet of described water tank by the insulation liquid in the described elevator pump driving collecting-tank;
Described air-dry apparatus comprises ring steel belt, a pair of air blast and a pair of driven roller; Drive described ring steel belt by a pair of driven roller, the both sides that are located at described ring steel belt of a pair of described air blast symmetry;
Described even material pressing device involving vibrations eccentric swage and pressurize roller.
2. The tape casting according to claim 1 prepares the film-forming system of perfluorinated ionic membrane, it is characterized in that, described water tank is horizontal by 25 ~ 50 ° of angles.
3. The tape casting according to claim 1 prepares the film-forming system of perfluorinated ionic membrane, it is characterized in that, described water tank is horizontally disposed with; The density of described insulation liquid is greater than the density of perfluorinated ionic membrane.
4. The tape casting according to claim 3 prepares the film-forming system of perfluorinated ionic membrane, it is characterized in that, described insulation liquid is saturated brine.
5. The tape casting according to claim 1 prepares the film-forming system of perfluorinated ionic membrane, it is characterized in that, the both sides of the edge of described steel band raise up.
6. The tape casting according to claim 1 prepares the film-forming system of perfluorinated ionic membrane, it is characterized in that, described film-forming system also comprises the drawing mechanism that connects described even material pressing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250274 CN203228339U (en) | 2013-05-09 | 2013-05-09 | Membrane-forming system for preparing perfluorinated ionic membrane by adopting tape-casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250274 CN203228339U (en) | 2013-05-09 | 2013-05-09 | Membrane-forming system for preparing perfluorinated ionic membrane by adopting tape-casting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203228339U true CN203228339U (en) | 2013-10-09 |
Family
ID=49284487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320250274 Withdrawn - After Issue CN203228339U (en) | 2013-05-09 | 2013-05-09 | Membrane-forming system for preparing perfluorinated ionic membrane by adopting tape-casting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203228339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213227A (en) * | 2013-05-09 | 2013-07-24 | 宝应县润华静电涂装工程有限公司 | Film forming system for preparing perfluorinated ionic membrane in slobbering method and film forming process of film forming system |
| WO2017004737A1 (en) * | 2015-07-03 | 2017-01-12 | 淮安科润膜材料有限公司 | Casting machine for enhanced perfluorinated ionized film |
-
2013
- 2013-05-09 CN CN 201320250274 patent/CN203228339U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213227A (en) * | 2013-05-09 | 2013-07-24 | 宝应县润华静电涂装工程有限公司 | Film forming system for preparing perfluorinated ionic membrane in slobbering method and film forming process of film forming system |
| CN103213227B (en) * | 2013-05-09 | 2015-02-04 | 宝应县润华静电涂装工程有限公司 | Film forming system for preparing perfluorinated ionic membrane in slobbering method and film forming process of film forming system |
| WO2017004737A1 (en) * | 2015-07-03 | 2017-01-12 | 淮安科润膜材料有限公司 | Casting machine for enhanced perfluorinated ionized film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102861781B (en) | A kind of method of alloy flat wire material machine-shaping device and use alloy flat wire material machine-shaping device rolled wire | |
| CN201796992U (en) | Rolling and slicing direct-connected device for lithium-ion battery polar pieces | |
| CN101872807B (en) | Method for producing back panel of solar photovoltaic module and production equipment | |
| CN203228339U (en) | Membrane-forming system for preparing perfluorinated ionic membrane by adopting tape-casting method | |
| CN102697213A (en) | Double-point coating production line for hot-melt adhesive padding cloth | |
| WO2017004737A1 (en) | Casting machine for enhanced perfluorinated ionized film | |
| CN111873390A (en) | Tensile structure is used in production of good unidirectional stretching polyimide film of stability | |
| CN208854899U (en) | A kind of three-layer co-extruded BOPP biaxial tension pretreating device | |
| CN202697822U (en) | Two-point clothing lining cloth production line | |
| CN102320116B (en) | For the preparation of the molecular disorientation Apparatus and method for of low-shrinkage high-molecular diaphragm | |
| CN103213227A (en) | Film forming system for preparing perfluorinated ionic membrane in slobbering method and film forming process of film forming system | |
| CN107052071B (en) | A kind of cooling device for aluminum profiles | |
| CN201227851Y (en) | Tape-casting machine | |
| CN103085212B (en) | Manufacture process for inner layer rubber calendaring sheet of shock-insulation rubber supporting base | |
| CN205255699U (en) | Hot roll extrusion compounding machine | |
| CN216031999U (en) | Casting device with constant temperature effect for producing solar EVA (ethylene vinyl acetate) adhesive film | |
| CN109773163B (en) | Quick spray cooling device for storage battery production mold and control system thereof | |
| CN107611206B (en) | A kind of solar battery back film coated on both sides process equipment | |
| CN114986864B (en) | Battery diaphragm stretching production line and stretching method thereof | |
| CN102430594B (en) | Method for eliminating loop rise of thin gauge strip on layer-cold roller way | |
| CN205888043U (en) | Special conveyor of high temperature aluminium ingot | |
| CN208748187U (en) | A kind of water-cooled plate that cyclic water channel is set | |
| CN205346421U (en) | Half -finished roll of membrane equipment of package artificial graphite membrane | |
| CN208501056U (en) | A kind of steel pipe thermal treatment cooling equipment | |
| CN207143079U (en) | A kind of water drilling blank molding press device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131009 Effective date of abandoning: 20150204 |
|
| RGAV | Abandon patent right to avoid regrant |