CN210897492U - Device for continuous manufacturing of homogeneous membrane by steel belt coating method - Google Patents
Device for continuous manufacturing of homogeneous membrane by steel belt coating method Download PDFInfo
- Publication number
- CN210897492U CN210897492U CN201921609871.8U CN201921609871U CN210897492U CN 210897492 U CN210897492 U CN 210897492U CN 201921609871 U CN201921609871 U CN 201921609871U CN 210897492 U CN210897492 U CN 210897492U
- Authority
- CN
- China
- Prior art keywords
- coating
- homogeneous film
- homogeneous
- steel
- heating
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The utility model relates to a device that steel band formula coating method homogeneous film was made continuously, a serial communication port, including the steel band area, drive steel band area circulation rolling drum, the drum sets up respectively at the both ends of circulation, and coating mechanism, heating according to the process of producing the homogeneous film have arranged in proper order on the upper steel band area remove dissolve mechanism, cooling peel mechanism and coiling mechanism, coating mechanism, heating remove dissolve mechanism, cooling peel mechanism and coiling mechanism still are equipped with the snakelike guiding mechanism who is used for detecting and adjusts the steel band off tracking on the steel band area of coating mechanism anterior segment. The utility model discloses can realize continuous production homogeneous membrane, and the environmental protection is reliable, and peel off the effect better, and the homogeneous membrane that obtains is more complete, has improved the off-the-shelf qualification rate of homogeneous membrane, and whole operation has reduced personnel's operation by a wide margin, has more the automation.
Description
Technical Field
The utility model relates to a production technology of homogeneous membrane especially relates to a device of continuous manufacturing of steel band formula coating method homogeneous membrane.
Background
The ion exchange membrane is loaded with groups capable of performing ion exchange, such as a cation exchange membrane loaded with strong acidic sulfonic acid groups (exchangeable cations) and an anion exchange membrane loaded with strong basic quaternary amine groups (exchangeable anions). The unique ion exchange characteristic of the ion exchange membrane enables the ion exchange membrane to play an important role in the aspects of material separation, clean production, environmental protection, energy conversion and the like, and becomes an important component part for realizing the strategy of economic sustainable development. Ion exchange membranes can be classified into heterogeneous membranes and homogeneous membranes according to their structures. The heterogeneous membrane is formed by bonding ion exchange resins together through an adhesive, the membrane surface resistance is large, the compactness is poor, the membrane resistance of the homogeneous membrane is lower, the compactness is high, the current efficiency is higher, the operation energy consumption of the heterogeneous membrane is greatly lower than that of the heterogeneous membrane, as the processing capacity of one homogeneous membrane group device can replace 2-5 heterogeneous membrane group devices, and the volume of one homogeneous membrane group device is far smaller than that of one heterogeneous membrane, the occupied area is far smaller than that of the heterogeneous membrane, the application of the homogeneous membrane in the field of electrodialysis is wider and wider.
In the preparation method of the homogeneous phase film, there is a coating type production method, for example, patent document CN201510165078.3 discloses a method for preparing a homogeneous phase ion exchange film of an all vanadium battery by a slurry coating method, which is to coat the homogeneous phase film slurry on an aluminum plate, while the aluminum material has low hardness and is easy to change, the patent document passes through an upper aluminum plate and a lower aluminum plate, and pressurizes the aluminum plate, the final peeling needs manual operation, the process has no continuity, and needs manual operation, and the formed homogeneous phase film has the problem that the thickness of the same film is different due to film damage or uneven coating by manual peeling, and the solvent contained in the homogeneous phase film slurry directly diffuses into the atmosphere due to heating, thereby causing certain pollution to the atmosphere and causing the problem of disposable utilization of the solvent.
Disclosure of Invention
The utility model aims to solve the technical problem that the problem to prior art exists provides environmental protection more, improves the device that a steel band formula coating method homogeneous phase membrane of product percent of pass made in succession.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a device for continuously manufacturing a homogeneous film by a steel belt coating method is characterized by comprising a steel belt and a drum wheel for driving the steel belt to circularly roll, wherein the drum wheel is respectively arranged at two circulating ends, a coating mechanism, a heating desolventizing mechanism, a cooling stripping mechanism and a coiling mechanism are sequentially arranged on the upper layer of the steel belt according to the process of producing the homogeneous film, the coating mechanism, the heating desolventizing mechanism, the cooling stripping mechanism and the coiling mechanism are arranged, and a snake-shaped adjusting mechanism for detecting and adjusting the deviation of the steel belt is further arranged on the steel belt at the front section of the coating mechanism.
Further, snakelike guiding mechanism is including setting up the tension oil pressure unit in front end drum both sides and setting up the snakelike detector at the front end steel plate area, snakelike guiding mechanism electricity is connected external controller, tracks the zero offset that detects the steel plate area through snakelike detector, and the steel plate area of adjustment runs just through tension oil pressure unit's pressurization release.
Further, the coating mechanism comprises a coating device and a scraper, the coating device is located at the front end of the scraper, the coating device comprises a raw material tank, a metering pump and a coating device, a coating port of the coating device is located at the upstream end of the steel plate strip and is arranged in the width direction of the steel plate strip, homogeneous film slurry mixed with a solvent is filled in the raw material tank, and the metering pump is connected between the raw material tank and the coating device and used for controlling the discharge capacity of the raw material tank.
Further, the heating desolventizing mechanism comprises a heating fan, an induced draft fan and a condensing device which are sequentially communicated, wherein the heating fan blows directly towards the phase film slurry.
Further, the cooling and stripping mechanism comprises a cold air device, and the cold air device comprises an air cooler and cold air nozzles which are uniformly distributed on the bottom surface of the steel plate belt.
Further, a detection mechanism for detecting whether the homogeneous film is qualified or not can be additionally arranged between the cooling stripping mechanism and the coiling mechanism, the detection mechanism comprises a thickness detector and an LED illuminating lamp, the thickness detector is uniformly distributed in the width direction of the homogeneous film, the thickness of the homogeneous film in the width direction is detected to be consistent or not through the thickness detector, the LED illuminating lamp is uniformly laid below the homogeneous film, and whether defects exist in the appearance of the homogeneous film or not is detected through up-down illumination.
Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses regard as the formation carrier of homogeneous phase membrane circulating steel plate area, in circulating steel plate area in proper order the coating, the process of heating polymerization and cooling stripping, and retrieve the solvent in the homogeneous phase membrane thick liquids in the heating polymerization stage and recycle, make whole preparation process environmental protection reliable, the homogeneous phase membrane after removing the solution is through the rapid cooling to the steel plate area, thereby automatic formation membrane is peeled off from the steel plate area carrier, the peeling is simplified, and peeling effect is better, the homogeneous phase membrane that obtains is more complete, and strickle the homogeneous phase membrane thick liquids of coating through the scraper in the coating stage, make the thickness of homogeneous phase membrane more unanimous, cooperation thickness detection and the outward appearance detection of LED light to the homogeneous phase membrane, the finished qualification rate of homogeneous phase membrane has been improved, and whole operation has greatly reduced personnel's operation, it is more automatic, and carry out zero off tracking adjustment to the operation of steel plate area earlier before the coating, the produced homogeneous membrane is more reliable.
Drawings
FIG. 1 is a flow chart of a continuous manufacturing method of homogeneous film by steel belt coating method provided in the examples
FIG. 2 is a schematic diagram showing a simplified structure of an apparatus for continuous homogeneous film fabrication according to the embodiment of the present invention.
FIG. 3 is a schematic structural view of the heating desolventizing stage in FIG. 2.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, fig. 2 and fig. 3, a steel strip coating homogeneous film continuous manufacturing method includes the following steps:
a coating procedure, namely uniformly coating the homogeneous film slurry on a circulating steel plate belt advancing at a constant speed to form a coating layer on the steel plate belt;
a heating desolventizing step, namely heating the coating layer for polymerization reaction through a heating solvent recovery system, and desolventizing and recovering the solvent contained in the homogeneous membrane slurry to form a membrane body;
a cooling and peeling step of cooling the film body to peel the film body from the steel sheet belt;
a film thickness detection process, wherein the thickness of the film body in width is detected by a thickness detector, the thickness detector transmits real-time detection data to a PLC control terminal, the PLC control terminal compares whether the detected data has a large error with the preset film thickness, and if the detected data exceeds the error range, the film thickness is judged to be unqualified;
an appearance detection step of illuminating the film below the film to observe whether the film has an appearance defect, and if so, determining that the film is unqualified;
and a winding step of winding the qualified film product into a body.
The coating process, the heating and dissolving process and the cooling and stripping process are continuously and sectionally carried out on the upper steel plate strip of the circulating steel plate strip advancing at a constant speed, so that the homogeneous film production has continuity.
The heating solvent recovery system comprises a heating fan, an induced draft fan and a condensing device which are sequentially communicated, wherein the heating fan blows directly towards the phase film slurry.
The operation procedure of the heating solvent recovery system is as follows:
introducing hot air through a heating fan to evaporate a solvent contained in the homogeneous membrane slurry;
the evaporated solvent is recycled to a condensing device through an induced draft fan;
the solvent after will having the evaporation through condensing equipment's recirculated cooling water condenses, retrieves after forming the solvent condensate and recycles, and the steam after going out the solvent is vapor basically, in the atmosphere of discharging, can not go the atmosphere and cause the pollution, makes whole production process more have the feature of environmental protection.
The coating device is arranged at the front end of the scraping blade, the coating device comprises a raw material tank, a metering pump and a coating device, a coating port of the coating device is arranged at the upstream end of the steel plate strip and is arranged in the width direction of the steel plate strip, homogeneous film slurry mixed with a solvent is filled in the raw material tank, and the metering pump is connected between the raw material tank and the coating device and is used for controlling the discharge capacity of the raw material tank.
The coating process comprises the following specific steps:
controlling the discharge metering of the raw material tank by a metering pump according to the production requirement of the homogeneous film, the discharge speed of the coating port and the width and thickness of the homogeneous film;
the thickness and the width of the coating layer are adjusted by adjusting the height and the width of the scraping blade relative to the steel plate strip according to the production requirement of the homogeneous film.
The cooling and stripping process comprises a cold air device, wherein the cold air device comprises an air cooler and cold air nozzles uniformly distributed on the bottom surface of the steel plate strip, the bottom surface of the steel plate strip is cooled through the cold air nozzles, and a film body adhered to the steel plate strip is cooled through heat transfer of the steel plate strip and is stripped from the steel plate strip. Because the surface of the steel plate belt is smooth, the temperature control is stable, the film body can be conveniently stripped by controlling the temperature, and the adhesion of the film body stripped by the solvent to the steel plate belt is greatly reduced.
The steel plate belt rolls through the drums at the front end and the rear end to carry out circular conveying, tension regulators for regulating the tension of the circular steel plate belt are installed on the two sides of the drum at the front end, the snake-shaped detectors are arranged on the circular steel plate belt at the front end, the zero offset of the steel plate belt is tracked in real time through the snake-shaped detectors, the tension regulators at the two sides are regulated according to offset control, and straight running of the steel plate belt is guaranteed in real time through automatic pressurization and pressure relief control of the tension regulators.
The above solvent has a boiling point lower than that of water and lower than that of other components in the homogeneous film slurry in order to satisfy the production effect.
The embodiment designs a device for continuous manufacture of homogeneous films by a steel strip coating method according to the method, which comprises a steel strip 100 and a drum wheel 200 for driving the steel strip 100 to circularly roll, wherein the drum wheel 200 is respectively arranged at two circulating ends, the upper layer steel strip 100 is divided into a coating section 110, a heating desolventizing section 120 and a cooling stripping section 130 according to production procedures, and a thickness detection section 300, an appearance detection section 400 and a coiling section 500 are continuously connected after being separated from the steel strip 100.
Tension hydraulic devices 111 are provided on both side end faces of the drum 200 on the coating section 110, and the tension of the steel plate belts 100 on both sides is adjusted by pressure relief of the tension hydraulic devices 111. The steel plate belt 100 on one side of the coating section 110 is provided with the snake-shaped detector 112, the snake-shaped detector 112 detects the zero offset of the steel plate belt 100 in real time, the snake-shaped detector 112 and the PLC control end carry out data transmission, and the PLC control end calculates and controls the tension oil pressure device 111 to adjust the tension of the steel plate belt 100 on the corresponding side in real time.
The coating port 113 is arranged at the forefront end of the coating section 110 in the width direction of the steel plate strip 100, the coating port 113 is communicated with the metering pump 115 and the raw material tank 116, according to the production requirement of the homogeneous film 600, the homogeneous film slurry flows into the coating port 113 from the raw material tank 116 according to the flow controlled by the metering pump 115, the operation front end of the coating port 113 is provided with a doctor blade 114, when the coated homogeneous film slurry passes through the doctor blade 114 and is scraped by the doctor blade 114, and the doctor blade 114 can adjust the height and the width.
The heating desolventizing section 120 comprises a heating fan 121, an induced draft fan 122 and a condensing device 123, wherein the heating fan 121 is positioned below the steel plate strip 100 of the heating desolventizing section 120, and introduces air from the outside to heat the steel plate strip 100 and leads hot air to the steel plate strip 100, carry out the heating polymerization to the homogeneous phase membrane thick liquids of coating on steel sheet area 100, in the heating process, the solvent of mixing in homogeneous phase membrane thick liquids is heated and is evaporated, draught fan 122 is located the homogeneous phase membrane thick liquids top of heating polymerization, the hot-blast that will have the solvent gathers together through draught fan 122 and collects and gets into condensing equipment 123, condensing equipment 123 inner loop carries out the cooling water, the hot-blast circulative cooling that will have the solvent, the solvent after the cooling forms the solvent condensate and can carries out solvent recycle, gas exhaust atmosphere after the condensation has greatly reduced the content of solvent in the gas, reduce atmospheric pollution, can be environmental protection more.
The cooling stripping section 130 is provided with an air cooler 131 and a plurality of cold air nozzles 132, the cold air nozzles 132 are uniformly distributed on the bottom surface of the steel plate strip 100 of the cooling stripping section 130, the air cooler 131 introduces air from the outside and performs refrigeration, cold air directly blows the bottom surface of the steel plate strip 100 through the cold air nozzles 132 to simultaneously cool the steel plate strip 100 and the homogeneous film 600, the adhesion of the dissolved homogeneous film 600 to the steel plate strip 100 is greatly reduced, the homogeneous film 600 is easy to strip from the steel plate strip 100, the homogeneous film 600 automatically strips the steel plate strip 100 after the steel plate strip 100 circulates back, and the appearance damage of the stripped homogeneous film 600 is greatly reduced.
A pair of thickness detectors 310 is arranged on the thickness detection section 300 in the up-down direction of the peeled homogeneous film 600, a plurality of pairs of thickness detectors 310 are distributed in the width direction of the homogeneous film 600, the thickness detectors 310 are connected with the PLC control end, and whether the thickness of the homogeneous film 600 meets the production requirement or not is judged in real time through comparison calculation of the PLC control end. If not, the roll of homogeneous film 600 is determined to be rejected.
The homogeneous film 600 is irradiated with a strong cold light source 410 under the peeled homogeneous film 600 in the observation section 400, and then whether or not the homogeneous film 600 is damaged in appearance is observed, and if so, the roll of homogeneous film 600 is determined to be defective.
The utility model discloses regard the production carrier of homogeneous phase membrane with endless steel sheet area, carry out the coating in proper order on endless steel sheet area, the process that heating polymerization and cooling were peeled off, and retrieve the recycle at the heating polymerization stage with the solvent in the homogeneous phase membrane thick liquids, make whole preparation process environmental protection reliable, go the homogeneous phase membrane after dissolving through the quick cooling to the steel sheet area, thereby automatic formation membrane is peeled off from the steel sheet area carrier, simplified and peeled off, and peel off the effect better, the homogeneous phase membrane that obtains is more complete, and strickle the homogeneous phase membrane thick liquids material of coating through the scraper in the coating stage, make the thickness of homogeneous phase membrane more unanimous, cooperation thickness detects and the outward appearance detection of LED light to the homogeneous phase membrane, the finished qualification rate of homogeneous phase membrane has been improved, and whole operation has reduced personnel's operation by a wide margin, it is more automatic.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, the present invention can be modified or improved without departing from the principle of the present invention, and these modifications are all considered to be within the protection scope of the present invention.
Claims (6)
1. A device for continuously manufacturing a homogeneous film by a steel belt coating method is characterized by comprising a steel belt and a drum wheel for driving the steel belt to circularly roll, wherein the drum wheel is respectively arranged at two circulating ends, a coating mechanism, a heating desolventizing mechanism, a cooling stripping mechanism and a coiling mechanism are sequentially arranged on the upper layer of the steel belt according to the process of producing the homogeneous film, the coating mechanism, the heating desolventizing mechanism, the cooling stripping mechanism and the coiling mechanism are arranged, and a snake-shaped adjusting mechanism for detecting and adjusting the deviation of the steel belt is further arranged on the steel belt at the front section of the coating mechanism.
2. The apparatus according to claim 1, wherein the snake-shaped adjusting mechanism comprises tension oil pressure devices arranged at two sides of the front drum and a snake-shaped detector arranged on the front steel plate strip, the snake-shaped adjusting mechanism is electrically connected with an external controller, the snake-shaped detector tracks and detects the zero offset of the steel plate strip, and the steel plate strip alignment is adjusted by the pressurization and the depressurization of the tension oil pressure devices.
3. The apparatus for homogeneous film continuous production by the steel strip coating method according to claim 1, wherein the coating mechanism comprises a coating device and a doctor blade, the coating device is provided at a front end of the doctor blade, the coating device comprises a stock tank, a metering pump and a coater, a coating port of the coater is provided at an upstream end of the steel strip, and the coating port is provided in a widthwise direction of the steel strip, the stock tank contains the homogeneous film slurry mixed with the solvent, and the metering pump is connected between the stock tank and the coater for controlling a discharge capacity of the stock tank.
4. The device for continuous homogeneous film production by the steel strip coating method according to claim 1, wherein the heating and desolventizing mechanism comprises a heating fan, an induced draft fan and a condensing device which are sequentially communicated, and the heating fan blows directly towards the homogeneous film slurry.
5. The apparatus according to claim 1, wherein the cooling and peeling means comprises a cooling air device comprising an air cooler and a cooling air nozzle uniformly distributed on the bottom surface of the steel strip.
6. The apparatus according to claim 1, wherein a detection mechanism for detecting whether the homogeneous film is qualified is further added between the cooling and peeling mechanism and the winding mechanism, the detection mechanism comprises a thickness detector and LED lamps, the thickness detector is uniformly distributed in the width direction of the homogeneous film, the thickness detector detects whether the thickness of the homogeneous film in the width direction is consistent, the LED lamps are uniformly laid below the homogeneous film, and the homogeneous film is illuminated from bottom to top to detect whether the homogeneous film has defects in appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921609871.8U CN210897492U (en) | 2019-09-25 | 2019-09-25 | Device for continuous manufacturing of homogeneous membrane by steel belt coating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921609871.8U CN210897492U (en) | 2019-09-25 | 2019-09-25 | Device for continuous manufacturing of homogeneous membrane by steel belt coating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210897492U true CN210897492U (en) | 2020-06-30 |
Family
ID=71316304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921609871.8U Active CN210897492U (en) | 2019-09-25 | 2019-09-25 | Device for continuous manufacturing of homogeneous membrane by steel belt coating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210897492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676497A (en) * | 2019-09-25 | 2020-01-10 | 金华市金秋环保水处理有限公司 | Steel belt type coating homogeneous film continuous manufacturing method |
| WO2023210153A1 (en) * | 2022-04-27 | 2023-11-02 | 浜松ホトニクス株式会社 | Refractive index distribution measurement device, film thickness distribution measurement device, refractive index distribution measurement method, and film thickness distribution measurement method |
-
2019
- 2019-09-25 CN CN201921609871.8U patent/CN210897492U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676497A (en) * | 2019-09-25 | 2020-01-10 | 金华市金秋环保水处理有限公司 | Steel belt type coating homogeneous film continuous manufacturing method |
| WO2023210153A1 (en) * | 2022-04-27 | 2023-11-02 | 浜松ホトニクス株式会社 | Refractive index distribution measurement device, film thickness distribution measurement device, refractive index distribution measurement method, and film thickness distribution measurement method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210897492U (en) | Device for continuous manufacturing of homogeneous membrane by steel belt coating method | |
| CN110268568B (en) | Method for coating a membrane with a catalyst | |
| CN103624961B (en) | The slab molding chiller of film line and cooling means | |
| FI95939C (en) | Procedure for smoothing a paper web | |
| KR101766106B1 (en) | Advanced method for producing roller-coated color steel plate with multiple colors and patterns | |
| US20150321504A1 (en) | Method of producing variegated steel plate with multicoloured pattern | |
| CN109572182A (en) | A kind of multipurpose moulding press | |
| CN112604911A (en) | Double-sided coating equipment and processing technology applying same | |
| WO2014139247A1 (en) | Method for producing steel plate with patterns by combining roller-coating printing and screen printing | |
| CN107626751B (en) | The control method of hot-rolling line ultra-rapid cooling | |
| CN206383367U (en) | Seamless laser film cooling device | |
| CN111605285A (en) | Production process of adhesive sticker material | |
| CN110676497A (en) | Steel belt type coating homogeneous film continuous manufacturing method | |
| CN203527865U (en) | Casting sheet forming and cooling device for film production line | |
| CN104494033A (en) | Horizontal type double-sided laminating device | |
| CN103213377A (en) | Anti-counterfeiting mark positioning compound transfer device for inserting coil substrate | |
| CN107309148B (en) | Vertical continuous coating VCC method and device for circuit board | |
| CN202293364U (en) | Degreasing machine for polytetrafluoroethylene membrane | |
| CN202685538U (en) | Integrated dual-channel digital printing equipment | |
| CN211764215U (en) | Multifunctional gravure equipment with double-seat UV curing device | |
| CN204505668U (en) | The multiple film device of horizontal type double-side | |
| CN210061908U (en) | Film extrusion moulding equipment | |
| CN211074767U (en) | Thermosetting continuous pressing production line for carbon fiber composite material | |
| CN109137617B (en) | Coating production device and application method thereof | |
| JPH0418923A (en) | Production of corrugated membrane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |