CN220373956U - Film forming device by continuous wet melting method - Google Patents
Film forming device by continuous wet melting method Download PDFInfo
- Publication number
- CN220373956U CN220373956U CN202321474166.8U CN202321474166U CN220373956U CN 220373956 U CN220373956 U CN 220373956U CN 202321474166 U CN202321474166 U CN 202321474166U CN 220373956 U CN220373956 U CN 220373956U
- Authority
- CN
- China
- Prior art keywords
- film forming
- unit
- post
- treatment
- module
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008018 melting Effects 0.000 title description 3
- 238000002844 melting Methods 0.000 title description 3
- 238000011282 treatment Methods 0.000 claims abstract description 50
- 238000001035 drying Methods 0.000 claims abstract description 48
- 239000003292 glue Substances 0.000 claims abstract description 27
- 238000005406 washing Methods 0.000 claims abstract description 21
- 230000004048 modification Effects 0.000 claims abstract description 12
- 238000012986 modification Methods 0.000 claims abstract description 12
- 239000003607 modifier Substances 0.000 claims abstract description 4
- 238000005345 coagulation Methods 0.000 claims description 22
- 230000015271 coagulation Effects 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 abstract description 14
- 239000001913 cellulose Substances 0.000 abstract description 14
- 238000012805 post-processing Methods 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 229920002101 Chitin Polymers 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 4
- 229920000298 Cellophane Polymers 0.000 description 3
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000017 hydrogel Substances 0.000 description 3
- 239000004627 regenerated cellulose Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002608 ionic liquid Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- PTHCMJGKKRQCBF-UHFFFAOYSA-N Cellulose, microcrystalline Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC)C(CO)O1 PTHCMJGKKRQCBF-UHFFFAOYSA-N 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 108010025899 gelatin film Proteins 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The utility model relates to the field of film preparation, and provides a continuous wet method film forming device, which comprises the following components: the device comprises a glue supply unit, a wet film forming unit, a film post-processing unit and a circulating feeding unit, wherein the glue solution provided by the glue supply unit is subjected to modification treatment by the film post-processing unit after the wet film forming unit forms a film, and the circulating feeding unit is used for providing a modifier for the modification treatment of the film post-processing unit. The utility model has the advantages of continuous integration of the steps of glue supply, extrusion, molding, washing, post-treatment, drying, rolling and the like, high production efficiency and short time consumption, and can be widely applied to cellulose solution systems and chitin solution systems with different consistencies.
Description
Technical Field
The utility model relates to the field of film preparation, in particular to a continuous wet-method film forming device.
Background
The regenerated cellulose film is also called Cellophane (Cellophane) in industry, and is mainly applied to the fields of food packaging, tobacco packaging, medicine packaging, cosmetic packaging, firework packaging, express packaging and the like due to the characteristics of excellent transparency and definition, high glossiness, heat resistance, natural antistatic property, air barrier property, degradability and the like.
Cellulose has extremely strong hydrogen bonding between molecules and within molecules, so that the cellulose has no melting temperature and cannot be melt-processed. Thus, cellulose material processing employs a dissolution regeneration process, but the strong interactions between cellulose molecules and within molecules render it insoluble in common solvents and difficult to directly use. Currently, the cellulose solvents in industry are viscose systems (NaOH/CS 2 ) N-methylmorpholine-N-oxide (NMMO), ionic liquids, and aqueous base/urea solvent systems, and the like.
Wet forming of cellulose is a common method of cellulose recycled materials such as wet spinning and wet film forming. The wet film forming technology is an effective method for preparing the glass paper, and can realize continuous preparation of the glass paper. However, the traditional cellulose cellophane wet film forming equipment has obvious pertinence, needs to be matched with a corresponding solvent system, and has high cost for industrial special equipment. Currently, glassine wet film forming equipment for practicality, universality and economy is less studied.
Disclosure of Invention
In order to solve the problems of low efficiency and limited application range in the prior art, the utility model provides a continuous wet method film forming device which integrates the steps of glue supply, extrusion, molding, water washing, post-treatment, drying, rolling and the like, has high production efficiency and short time consumption, and can be widely applied to cellulose solution systems and chitin solution systems with different consistencies.
The utility model discloses a continuous wet method film forming device, which comprises: the device comprises a glue supply unit, a wet film forming unit, a film post-processing unit and a circulating feeding unit, wherein the glue solution provided by the glue supply unit is subjected to modification treatment by the film post-processing unit after the wet film forming unit forms a film, and the circulating feeding unit is used for providing a modifier for the modification treatment of the film post-processing unit.
In some embodiments of the present utility model, the film post-treatment unit includes N post-treatment modules, and the cyclic feeding unit includes N cyclic feeding modules, where N is greater than or equal to 2, and each of the post-treatment modules is correspondingly connected to one of the cyclic feeding modules.
In some embodiments of the utility model, the N post-treatment modules include a water washing module for washing water and a modifying module for modifying, wherein the water washing module and the modifying module are staggered along the film transport direction.
In some embodiments of the utility model, each of the aftertreatment modules comprises an aftertreatment bath, and each of the cyclical dosing modules comprises a dosing tank, a discharge pipe, and a return pipe;
the feeding tank and the post-treatment bath trough form a circulating pipeline through the discharging pipe and the material return pipe;
and each charging tank is internally provided with a temperature control coil II.
In some embodiments of the utility model, the glue supply unit comprises a liquid storage tank, and the wet film forming unit comprises a coagulation bath and a slot die head arranged in the coagulation bath;
the liquid storage tank is communicated with the slot die head through a pipeline, and a metering pump is arranged on the pipeline;
the liquid storage tank, the pipeline and the metering pump are respectively provided with a heat preservation jacket, and a temperature control coil I is arranged in the liquid storage tank.
In some embodiments of the utility model, at least one fixed roll and at least one traction guide roll I are installed in the coagulation bath to transport the film.
In some embodiments of the utility model, at least one passive draft roll, at least one active draft roll and at least one draft guide roll ii are installed in the finishing bath to transport the film.
In some embodiments of the utility model, at least one circulation feed exchange module in the circulation feed unit is used for replenishing the material consumed in the wet film forming unit, wherein the feed tank of the circulation feed exchange module and the coagulation bath of the wet film forming unit form a circulation line via the discharge pipe and the return pipe.
In some embodiments of the utility model, a booster pump is mounted on the discharge pipe.
In some embodiments of the utility model, the continuous wet film forming device comprises a drying and rolling unit, wherein the drying and rolling unit comprises a drying module and a rolling module and is used for drying, shaping and rolling the film after modification treatment.
In some embodiments of the utility model, the drying module includes: the film conveying device comprises a pre-drying part, a high-temperature drying part and a low-temperature drying part which are arranged along the film conveying direction, wherein the pre-drying part, the high-temperature drying part and the low-temperature drying part are respectively provided with a conveying roller and a plurality of groups of drying cylinders.
In some embodiments of the utility model, the wrap module includes a wrap roller.
The continuous wet-process film forming device integrates the steps of glue supply, extrusion, molding, water washing, post-treatment, drying, rolling and the like continuously, has high production efficiency, short time consumption and low energy consumption compared with the traditional tape casting film making method, and can be widely applied to cellulose solution systems and chitin solution systems with different consistencies; and the concentration and the temperature of the solution in the coagulation bath are changed through the circulating charging unit IV, flexible adjustment and optimization of each section of process can be realized through changing the speed of the traction roller to regulate and control the drafting, and further, the film thickness and the width of the film can be regulated and controlled through a slit die head and the drafting process, so that large-scale, large-size and high-efficiency production can be realized.
Drawings
Fig. 1 is a schematic view illustrating the configuration of a continuous wet deposition apparatus according to the embodiment.
Description of the reference numerals
I-glue supply unit II-wet film forming unit
III-aftertreatment unit IV-circulation charging unit
V-drying winding unit
101-liquid storage tank 102-temperature control coil I
103-pipeline 104-metering pump
201-coagulation bath 202-slot die
203-fixed roller 204-traction guide roller I
301-water bath I302-post-treatment bath I
303-Water bath II 304-post-treatment bath II
305-Water bath III 306-post-treatment bath III
307-passive traction roller 308-active traction roller
309-traction guide roller II 401-circulation charging bucket I
402-circulation charging bucket II 403-circulation charging bucket III
404-circulation charging bucket IV 405-circulation charging bucket V
406-circulation charging tank VI 407-circulation charging tank VII
408-booster pump 409-discharging pipe
410-feed-back pipe 411-temperature control coil pipe II
501-predrying drying module 502-high temperature drying module
503-low temperature drying module 504-winding module
505-transfer roller 506-drying cylinder
507-wind-up roll
Detailed Description
The technical solution in the embodiment of the present utility model is clearly and completely described with reference to fig. 1 in the embodiment of the present utility model. The described embodiments are some, but not all, embodiments of the utility model. The components of embodiments of the present utility model may be arranged and designed in a wide variety of different configurations, and the endpoints and any values of the ranges disclosed herein are not limited to the precise range or value, and the range or value should be understood to encompass values close to the range or value. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model discloses a continuous wet process film forming device, as shown in fig. 1, which comprises: the device comprises a glue supply unit I, a wet film forming unit II, a film post-processing unit III, a drying and winding unit V and a circulating feeding unit IV, wherein the glue solution provided by the glue supply unit I is subjected to drying, shaping and winding through the drying and winding unit V after being subjected to modification treatment by the film post-processing unit III after forming a film by the wet film forming unit II, and the circulating feeding unit IV is used for providing a modifier for the modification treatment of the film post-processing unit III.
The continuous wet film forming apparatus of the present utility model will be disclosed in the following, but the present utility model is not limited thereto.
Glue supply unit I
According to one embodiment of the present utility model, the glue supply unit I is used for storing and providing glue solution (for example, cellulose glue solution) required by wet film forming, as shown in fig. 1, the glue supply unit I includes a liquid storage tank 101, a pipeline 103 and a metering pump 104, a temperature control coil I102 is installed in the liquid storage tank 101, and the liquid storage tank 101 is provided with a feed inlet, an air inlet and an air extraction opening, wherein vacuum is performed through the air extraction opening, bubbles in the glue solution are removed, air or nitrogen is introduced through the air inlet, and pressurized glue solution is conveyed to enter the metering pump 104 through the pipeline 103 to be metered so as to regulate and control the glue supply amount (for example, 50-500 CC); it will be appreciated that the reservoir 101, conduit 103 and metering pump 104 are provided with a thermal jacket and can be temperature controlled (e.g., -20 ℃ -120 ℃) by a temperature control coil I102, the temperature control coil I102 being connected to conventional heat exchange means as is known in the art.
Wet film forming unit II
According to one embodiment of the present utility model, as shown in fig. 1, the wet film forming unit II includes a coagulation bath 201 and a slot die 202 installed in the coagulation bath 201, wherein the liquid storage tank 101 is communicated with the slot die 202 through a pipe 103, the metering pump 104 is installed on the pipe 103, and the glue solution is extruded from the slot die 202 and enters into the coagulation bath 201 to be coagulated and formed into a hydrogel film; at least one fixed roller 203 and at least one traction guide roller I204 are installed in the coagulation bath 201 to transport the film, for example, as shown in fig. 1, 4 fixed rollers 203 and 1 traction guide roller I204 are installed in the coagulation bath 201, it is understood that the hydrogel film can be transported at a certain angle with the horizontal plane according to the actual use condition and the size of the coagulation bath and the diameter of the fixed rollers, so as to achieve sufficient coagulation and traction of the regenerated cellulose gel film, and of course, it is understood that the materials of the fixed rollers 203 and the traction guide rollers I204 are not particularly required, so long as the requirements of the film preparation required performance, such as corrosion resistance and smoothness performance, are satisfied.
In accordance with one embodiment of the present utility model, slot die 202 comprises upper and lower die bodies, fluid passages, a die cavity for transporting and storing the cellulose solution, and a die shim for adjusting the thickness and width of the film formed by the extruded dope, preferably selected from slot dies disclosed in applicant's previous application 202123206816.4 of the present utility model for more precise adjustment.
Film post-treatment unit III and circulation charging unit IV
According to one embodiment of the utility model, the film post-treatment unit III comprises N post-treatment modules, the circulating charging unit IV comprises N circulating charging modules, wherein N is more than or equal to 2, and each post-treatment module is correspondingly connected with one circulating charging module.
According to one embodiment of the present utility model, the N post-treatment modules include a water washing module for washing water and a modifying module for modifying, wherein the water washing module and the modifying module are staggered along the transport direction of the film, specifically, each post-treatment module includes a post-treatment bath, and the post-treatment bath in the film post-treatment unit III is divided into a water washing tank and a modifying tank according to different functions, for example, as shown in fig. 1, the post-treatment baths are sequentially arranged along the transport direction of the film as a water washing tank I301, a modifying bath I302, a water washing tank II 303, a modifying tank II 304, a water washing tank III 305 and a modifying tank III 306, wherein the same or different water washing agents (for example, impurities such as alkali, urea, salt and modified residual materials remained in the cleaning cellulose hydrogel film) and modifying agents (for example, including but not limited to graft modification, silk, functionalization, bleaching, plasticizing, dyeing, shaping, etc.) can be designed to be corrosion resistant, and have no special requirements for this, and the present utility model is not required to be subjected to heat preservation.
According to one embodiment of the utility model, each post-treatment module comprises a post-treatment bath, each circulating charging module comprises a charging tank, a discharging pipe 409 and a feeding back pipe 410, a booster pump 408 is arranged on the discharging pipe 409, and a temperature control coil II 411 is arranged in each charging tank; the corresponding feed tank and aftertreatment bath form a circulation line via a discharge pipe 409 and a return pipe 410.
According to one embodiment of the utility model, at least one circulation feed exchange module in the circulation feed unit IV is used for replenishing the material consumed in the wet film forming unit II, wherein the feed tank of the circulation feed exchange module and the coagulation bath 201 of the wet film forming unit II form a circulation line via the discharge pipe 409 and the return pipe 410. In this way, the circulation charging unit IV is used to replenish the materials consumed in the coagulation bath 201 and the post-treatment bath, as well as to regulate the concentration, temperature.
Specifically, as shown in fig. 1, the circulating charging unit IV comprises 7 circulating charging tanks, namely, a circulating charging tank i 401, a circulating charging tank ii 402, a circulating charging tank III 403, a circulating charging tank IV 404, a circulating charging tank V405, a circulating charging tank VI 406 and a circulating charging tank VII 407, which are numbered in sequence from left to right, wherein each circulating charging tank is communicated with a corresponding post-treatment bath through a discharging pipe 409 and a feeding pipe 410 which are independently arranged, and a booster pump 408 is arranged on each discharging pipe 409 so as to independently realize storage, circulation and charging of liquid in each post-treatment bath; for example, the materials in the circulating charging tank II 402 flow out through the booster pump 408 and are transported to the washing tank I301 through the discharging pipe 409, the materials (washing agent) are fully mixed in a low-in high-out mode, and then automatically flow back to the circulating charging tank washing tank I301 through the material return pipe 410 for full circulation. The circulation volume of the circulation system can be regulated and controlled through a booster pump and the reflux volume, for example, the circulation volume is 1-15 tons/hour; the temperature control coil II 411 is used for realizing temperature regulation and control of the coagulation bath 201 and the post-treatment bath, wherein the temperature control coil is provided with an inlet and outlet circulation port, and can be used for refrigerating by condensate or heating by hot water or steam by being connected with an external matched cold source or heat source, for example, the temperature range is controlled to be-20-120 ℃.
According to one embodiment of the utility model, at least one passive drawing roll 307, at least one active drawing roll 308 and at least one drawing guide roll II 309 are installed in the post-treatment bath for transporting the film, wherein the active drawing roll 308 is used for film drawing and the passive drawing roll 307 is used for film guiding; the drawing guide roller II 309 is provided with a corresponding scraper blade, which not only guides the film but also scrapes off and reduces the liquid on the film surface.
Drying and winding unit V
According to one embodiment of the utility model, the drying and winding unit (V) comprises a drying module and a winding module (504) for drying, shaping and winding the film after modification treatment.
According to one embodiment of the present utility model, a drying module includes: the pre-drying part 501, the high-temperature drying part 502 and the low-temperature drying part 503 are arranged along the film conveying direction, wherein the pre-drying part 501, the high-temperature drying part 502 and the low-temperature drying part 503 are respectively provided with a conveying roller 505 and a plurality of groups of drying cylinders 506, so that the drying of films with different thicknesses and water contents is facilitated.
According to one embodiment of the utility model, the wrap module 504 includes a wrap roller 507.
The device provided by the utility model is not only suitable for high-temperature systems such as ionic liquid and N-methylmorpholine-N-oxide, but also suitable for preparing regenerated cellulose films by low-temperature systems such as alkali/urea.
In the present utility model, it is understood that the liquid storage tank 101, the coagulation bath 201, the washing tank, the modification tank and the circulation tank are designed to be corrosion resistant according to different treatment processes; such as the liquid storage tank 101, the coagulation bath 201 tank and the circulating charging tank I are coated with acid and alkali resistant coatings, and can be used for containing acidic or alkaline coagulating liquid.
The preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a number of simple variants of the technical solution of the utility model are possible, including the combination of the individual specific technical features in any suitable way. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (10)
1. A continuous wet process film forming apparatus is characterized by comprising: the device comprises a glue supply unit (I), a wet film forming unit (II), a film post-treatment unit (III) and a circulating feeding unit (IV), wherein the glue solution provided by the glue supply unit (I) is subjected to modification treatment by the film post-treatment unit (III) after forming a film by the wet film forming unit (II), and the circulating feeding unit (IV) is used for providing a modifier for the modification treatment of the film post-treatment unit (III).
2. The continuous wet process film forming device according to claim 1, wherein the film post-treatment unit (III) comprises N post-treatment modules, the circulating charging unit (IV) comprises N circulating charging modules, wherein N is greater than or equal to 2, and each post-treatment module is correspondingly connected with one circulating charging module.
3. The continuous wet film forming apparatus according to claim 2, wherein the N post-treatment modules include a water washing module for washing water and a modifying module for modifying, wherein the water washing module and the modifying module are staggered in the film transport direction.
4. A continuous wet film forming apparatus according to claim 2 or 3, wherein each of the post-treatment modules comprises a post-treatment bath, and each of the cyclic feed modules comprises a feed tank, a discharge pipe (409) and a return pipe (410);
the charging tank and the post-treatment bath form a circulation pipeline through the discharging pipe (409) and the material return pipe (410);
and a temperature control coil II (411) is arranged in each charging tank.
5. The continuous wet film forming apparatus according to claim 1, wherein the glue supply unit (I) includes a liquid storage tank (101), and the wet film forming unit (II) includes a coagulation bath (201) and a slot die (202) installed in the coagulation bath (201);
wherein the liquid storage tank (101) is communicated with the slot die head (202) through a pipeline (103), and a metering pump (104) is arranged on the pipeline (103);
the liquid storage tank (101), the pipeline (103) and the metering pump (104) are respectively provided with a heat preservation jacket, and a temperature control coil I (102) is arranged in the liquid storage tank (101).
6. The continuous wet film forming apparatus according to claim 5, wherein at least one circulating charge exchange module in the circulating charge unit (IV) is used for replenishing the material consumed in the wet film forming unit (II), wherein the charge tank of the circulating charge exchange module and the coagulation bath (201) of the wet film forming unit (II) form a circulating line through the discharge pipe (409) and the return pipe (410).
7. The continuous wet film forming apparatus according to claim 5, wherein at least one fixed roll (203) and at least one traction guide roll I (204) are installed in the coagulation bath (201) to transport the film;
and/or
At least one passive drawing roller (307), at least one active drawing roller (308) and at least one drawing guide roller II (309) are arranged in the post-treatment bath to transport the film;
and/or
A booster pump (408) is arranged on the discharging pipe (409).
8. The continuous wet film forming device according to claim 1, wherein the continuous wet film forming device comprises a drying and winding unit (V), and the drying and winding unit (V) comprises a drying module and a winding module (504) for drying, shaping and winding the modified film.
9. The continuous wet process film forming apparatus according to claim 8, wherein the drying module comprises: a pre-drying part (501), a high-temperature drying part (502) and a low-temperature drying part (503) which are arranged along the film conveying direction, wherein the pre-drying part (501), the high-temperature drying part (502) and the low-temperature drying part (503) are respectively provided with a conveying roller (505) and a plurality of groups of drying cylinders (506).
10. The continuous wet film forming apparatus according to claim 8, wherein the winding module (504) includes a winding roller (507).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474166.8U CN220373956U (en) | 2023-06-09 | 2023-06-09 | Film forming device by continuous wet melting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474166.8U CN220373956U (en) | 2023-06-09 | 2023-06-09 | Film forming device by continuous wet melting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220373956U true CN220373956U (en) | 2024-01-23 |
Family
ID=89560447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321474166.8U Active CN220373956U (en) | 2023-06-09 | 2023-06-09 | Film forming device by continuous wet melting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220373956U (en) |
-
2023
- 2023-06-09 CN CN202321474166.8U patent/CN220373956U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4317794A (en) | Process for the continuous manufacture of fiber-reinforced cellulose hydrate tubing and equipment for carrying out the processes | |
| CN220373956U (en) | Film forming device by continuous wet melting method | |
| CN112337718B (en) | Precision coating machine for rubber coated fabric | |
| CN100510207C (en) | One-spindle three-spinning viscose filament semicontinuous centrifugal spinning process and spinning machine thereof | |
| US10208402B2 (en) | Spin bath and method for consolidation of a shaped article | |
| CN202263690U (en) | Dyeing tank for aluminum alloy coiled materials | |
| CN108914434A (en) | A kind of textile production dyeing apparatus | |
| CN209007930U (en) | A kind of water supplying pipe compound extrusion moulding device | |
| CN217536369U (en) | Oil recovery and utilization system | |
| CN203498513U (en) | Pure chitosan fiber coagulating bath liquid circulation system | |
| CN105420855A (en) | Spinning solution continuous solidification device and control method thereof | |
| CN211683416U (en) | Plastic wire drawing condensation forming device | |
| CN111501113B (en) | Spinning box for producing modified polypropylene monofilaments | |
| CN106268354B (en) | A kind of corrugated plate dst film and process units with independent internal channel | |
| CN212315991U (en) | Polymer production apparatus | |
| CN203866415U (en) | Mixing-enhanced fiber forming coagulating bath tank | |
| CN217729741U (en) | Device for continuously preparing regenerated cellulose membrane by slit extrusion | |
| CN220468502U (en) | Special paper surface spraying and sizing system | |
| CN219430119U (en) | Basic etching sub-liquid central medicine supply system in PCB industry | |
| CN208449668U (en) | A kind of injecting type paint feeding system | |
| CN220215507U (en) | Quick head changing device for coating | |
| CN207695624U (en) | A kind of solvent cycle degreasing system | |
| US4358484A (en) | Method for high speed size application | |
| CN205146580U (en) | A dip -coating unit that is used for hyperfilevation membrane to scribble wiring | |
| CN218013819U (en) | Glue preparation and supply circulating device for online coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |