CN116273724A - Water-resistant electrochemical aluminum production process - Google Patents
Water-resistant electrochemical aluminum production process Download PDFInfo
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- CN116273724A CN116273724A CN202310508087.2A CN202310508087A CN116273724A CN 116273724 A CN116273724 A CN 116273724A CN 202310508087 A CN202310508087 A CN 202310508087A CN 116273724 A CN116273724 A CN 116273724A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 177
- 238000000576 coating method Methods 0.000 claims abstract description 152
- 239000011248 coating agent Substances 0.000 claims abstract description 149
- 238000005192 partition Methods 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 229920006267 polyester film Polymers 0.000 claims description 50
- 239000003973 paint Substances 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 238000007774 anilox coating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- 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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a water-resistant electrochemical aluminum production process, which relates to the technical field of electrochemical aluminum production and comprises a coating box, wherein the side walls of the left end and the right end are respectively provided with an inlet and an outlet; the two partition boards are fixedly connected in the coating box and divide the coating box into a coating chamber, a first drying chamber and a second drying chamber; two coating rollers arranged in the coating chamber; the two coating boxes are respectively arranged on one side wall of the two coating rollers in the coating chamber, and the side wall of the coating roller penetrates through the coating opening and stretches into the coating boxes; the two press rolls are respectively arranged right above the two coating rolls in a lifting manner; the four drying assemblies are arranged in the first drying chamber, the second drying chamber and the third drying chamber, and the two drying assemblies of the third drying chamber are respectively positioned on the right sides of the two coating rollers; the invention has the advantages of convenient use, improved drying effect and efficiency during coating, and the like.
Description
Technical Field
The invention relates to the technical field of electrochemical aluminum production, in particular to a water-resistant electrochemical aluminum production process.
Background
In the process of production and processing of the water-resistant alumite, a full-water release coating is required to be coated on a substrate layer, so that the water resistance of the alumite is improved, the full-water release coating is mainly coated by a reticulate pattern coating machine, after the reticulate pattern coating is finished, the drying is required, the drying of the existing coating machine can be realized at a single temperature, the full-water release coating is excessively dried at an excessive temperature, the water resistance effect of the full-water release coating is influenced, and the problems of long drying time and low efficiency of the full-water release coating are easily caused due to the excessively low temperature;
as disclosed in patent application number CN201910474330.7, in the patent, the full-aqueous release coating is coated on the surface of a polyester film by a 280 mesh anilox roller at a drying temperature of 80-120-135-100 ℃ and a coating machine speed of 100-120m/min and a wet coating weight of 4.5-5.0g/m in an environment with humidity of 50-70%, then a color layer, an aluminized layer and a glue layer are sequentially added on the surface of the coating, and finally each coating is rapidly separated from the polyester film after hot stamping and is transferred and bonded on the surface of a printing stock;
the net text coating machine that this patent adopted among the prior art, stepwise stoving temperature need will paint the substrate layer of full waterborne from type coating and export the coating machine back and dry, causes the dust to glue easily and glues on full waterborne from type coating, also causes full waterborne to be from type coating at the in-process of removal easily, because of vibrations and inhomogeneous.
Disclosure of Invention
The invention aims to solve the technical problem of providing a water-resistant electric aluminum production process for solving the problem that a coating machine in the prior art described in the background art lacks a stepped drying function.
In order to achieve the above object, the present invention provides the following technical solutions: a water-resistant electrochemical aluminum production device comprises
The side walls of the left end and the right end of the coating box are respectively provided with an inlet and an outlet;
the two partition boards are fixedly connected in the coating box, the partition boards divide the coating box into a coating chamber, a first drying chamber and a second drying chamber, and through holes are formed in positions, corresponding to the inlet and the outlet, of the partition boards;
the two coating rollers are arranged in the coating chamber, the outer circumferential wall of each coating roller is provided with a net text layer, and the two coating rollers are used for coating the coating in a layered manner;
the two paint cartridges are respectively arranged on one side wall of two paint rollers in the coating chamber, the side wall of each paint cartridge is provided with a paint opening, and the side wall of each paint roller penetrates through the paint opening and stretches into the paint cartridge;
the two press rolls are respectively arranged right above the two coating rolls in a lifting manner;
the two scraping plates are arranged in the coating box and are used for scraping out redundant coating on the net text layer;
the four drying assemblies are arranged in the first drying chamber, the second drying chamber and the third drying chamber, and the two drying assemblies of the third drying chamber are respectively positioned on the right sides of the two coating rollers;
wherein, four stoving subassemblies are used for providing different stoving temperatures respectively.
Preferably: the bottom of the coating chamber is fixedly connected with a receiving tank, and the receiving tank is positioned under the two coating rollers.
Preferably: the upper end wall of the coating chamber is fixedly connected with a lifting cylinder corresponding to the position of the pressing roller, the output end of the lifting cylinder is fixedly connected with a lifting plate, and the pressing roller is rotationally connected with the lifting plate.
Preferably: the drying assembly includes a first drying assembly,
the first drying assembly includes:
the first drying box is fixedly connected to the inner side wall of the coating box, and the side walls of the left end and the right end of the first drying box are respectively provided with a first moving hole;
the air inlet box is fixedly connected to the lower end wall of the first drying box and penetrates through the lower end wall, and an air inlet hole is formed in one end of the air inlet box extending into the first drying box;
the air suction box is fixedly connected to the upper end wall of the first drying box and penetrates through the upper end wall, and an air suction hole is formed in one end of the air suction box extending into the first drying box.
Preferably: the front and rear side walls of the first drying box are respectively and fixedly connected with positioning pipes penetrating through the side walls, one end of each positioning pipe extending into the first drying box is rotatably sleeved with two ports of a rotating sleeve, one positioning pipe is communicated with the air inlet box through a first connecting pipe, and the rotating sleeve is in surface contact with the polyester film to transfer heat.
Preferably: the outer walls of the two sides of the first drying box are respectively and fixedly connected with a first air suction pipe, the position of the first air suction pipe corresponding to the first moving hole is provided with a first air suction hole, and the first air suction pipe is respectively communicated with the air suction box through a ventilation pipe.
Preferably: the drying assembly includes a second drying assembly,
the second drying assembly includes:
the second drying box is fixedly connected to the inner side wall of the coating box, and the side walls of the left end and the right end of the second drying box are respectively provided with second moving holes;
the conveying belt is arranged in the second drying box, and the second moving hole is positioned between the upper end conveying surface and the lower end conveying surface of the conveying belt;
the movable boxes are respectively and fixedly connected to opposite surfaces of an upper end conveying surface and a lower end conveying surface of the conveyor belt, one surface of each movable box, which is opposite to the conveyor belt, is provided with a plurality of air outlet holes, and the adjacent movable boxes are communicated through a second connecting pipe;
wherein, a movable box in the upper end conveying surface and a movable box in the lower end conveying surface of the conveyor belt are respectively provided with an air duct, and the air duct penetrates through the second drying box and is a metal hose.
Preferably: the second drying assembly further includes:
and a plurality of second air suction pipes respectively penetrate through the side walls of the left end and the right end of the second drying box and are fixedly connected with the second drying box, and second air suction holes are formed in the positions, corresponding to the polyester films, of the second air suction pipes, extending into the second drying box.
A production process based on the water-resistant electrochemical aluminum production equipment comprises the following specific steps:
the polyester film passes through the inlet and the outlet and the through holes, the coating roller rotates to enable the reticulate pattern layer to bring out the coating in the coating box, then the excessive coating is scraped off by the scraping plate, the coating in the reticulate pattern layer can be smeared on the lower surface of the polyester film, the polyester film is tightly attached to the coating roller by the pressing roller, the first coating roller coats one half layer of full-water release coating on the polyester film, then the polyester film is dried at 80 ℃ by a drying component, the second coating roller coats the other half layer of full-water release coating on the polyester film, then the polyester film is dried at 120 ℃ by a drying component, then the drying component in the first drying chamber is dried at 135 ℃, and the drying component in the second drying chamber is dried at 100 ℃;
the first drying component is used as a drying component, namely, hot air can flow into the rotating sleeve through one positioning pipe, then is sent into the air inlet box through the other positioning pipe and the first connecting pipe, and the rotating sleeve can transfer heat energy to the polyester film after absorbing the heat energy; the hot air flows into the first drying box from the air inlet hole on the air inlet box to dry the all-water release coating on the polyester film passing through the first moving hole, and the air suction hole on the air suction box can suck the air dried in the first drying box, so that air pressure balance is realized; the air flowing out of the first moving hole can be sucked away through the first air suction hole on the first air suction pipe, and meanwhile, the first air suction pipe is communicated with the air suction box through the air pipe;
the second drying component is used as a drying component, the conveyor belt drives the movable box to reciprocate, so that hot air is blown on two sides of the polyester film through the air outlet holes on the movable box, thereby drying the all-water release coating on the polyester film passing through the second movable hole, and the movable boxes are mutually communicated through the second connecting pipe; and hot air rebounded on the polyester film after drying is sucked away through the second air suction hole on the second air suction pipe, so that heat absorption is reduced and flows out from the second air suction hole.
The beneficial effects of adopting above technical scheme are:
the full-aqueous release coating of release layer in the water-resistant electrochemical aluminum production process is smeared on the polyester film, can improve the drying effect through layered coating, and simultaneously the subsequent drying process can be coated in stages through different temperatures, so that the drying efficiency and effect can be effectively improved, and the coating method is more rapid and stable compared with the coating method in the prior art.
Drawings
FIG. 1 is a schematic diagram of a water-resistant electrochemical aluminum production apparatus of the present invention.
Fig. 2 is a cross-sectional view of a water resistant electrochemical aluminum production apparatus with a first drying assembly of the present invention.
Fig. 3 is a schematic view of a first drying assembly according to the present invention.
Fig. 4 is a cross-sectional view of a first drying assembly according to the present invention.
Fig. 5 is a side cross-sectional view of a first drying assembly of the present invention.
Fig. 6 is a cross-sectional view of a water resistant electrochemical aluminum production apparatus with a second drying assembly of the present invention.
Fig. 7 is a schematic view of a second drying assembly according to the present invention.
Fig. 8 is a cross-sectional view of a second drying assembly according to the present invention.
Fig. 9 is a side cross-sectional view of a second drying assembly of the present invention.
Wherein: the coating apparatus includes a coating box 100, a support plate 110, an inlet and outlet 200, a partition 300, a through hole 310, a coating chamber 400, a first drying chamber 410, a second drying chamber 420, a nip roll 430, a coating roller 500, a web 510, a coating cartridge 520, a coating port 530, a squeegee 540, a receiving tank 550, a press roll 600, a lifting plate 610, a lifting cylinder 620, a first drying module 700, a first drying cartridge 710, a first moving hole 720, an air intake cartridge 730, an air intake 731, a rotating sleeve 732, a positioning tube 733, a first connecting tube 734, an air intake cartridge 740, an air intake hole 741, an air pipe 750, a first air intake tube 760, a first air intake hole 761, a second drying module 800, a second drying cartridge 810, a second moving hole 820, a conveyor 830, a moving cartridge 840, an air outlet hole 841, a second connecting tube 842, an air duct 843, a second air intake tube 850, and a second air intake hole 851.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In a first embodiment, as shown in FIGS. 1 to 9, a water-resistant electrochemical aluminum production apparatus comprises
The coating box 100 is provided with an inlet and an outlet 200 on the side walls of the left end and the right end respectively;
two partition boards 300 fixedly connected in the coating box 100, wherein the partition boards 300 divide the coating box 100 into a coating chamber 400, a first drying chamber 410 and a second drying chamber 420, and the partition boards 300 are provided with through holes 310 at positions corresponding to the inlets and the outlets 200;
two coating rollers 500 disposed in the coating chamber 400, the coating rollers 500 having a mesh layer 510 on an outer circumferential wall thereof, the two coating rollers 500 being used for layering coating materials;
two paint cartridges 520 respectively provided on one side walls of the two paint rollers 500 in the paint chamber 400, the paint cartridges 520 having paint ports 530 on the side walls, the side walls of the paint rollers 500 extending into the paint cartridges 520 through the paint ports 530;
the two press rollers 600 are respectively arranged right above the two coating rollers 500 in a lifting manner;
two scrapers 540 disposed in the coating box 400, the two scrapers 540 being used for scraping out the excessive coating on the reticulate layer 510;
four drying components, one disposed in the first drying chamber 400, one disposed in the second drying chamber 410, and two disposed in the third drying chamber 420, wherein the two drying components of the third drying chamber 420 are respectively located at the right sides of the two coating rollers 500;
wherein, four stoving subassemblies are used for providing different stoving temperatures respectively.
The present embodiment is implemented as follows:
when the coating machine is used, a polyester film passes through the inlet and outlet 200 and the through hole 310, then the coating roller 500 rotates to enable the coating in the coating box 520 to be carried out by the net text layer 510 and then redundant coating is scraped off by the scraping plate 540, so that the coating in the net text layer 510 can be smeared on the lower surface of the polyester film, the polyester film can be tightly attached to the coating roller 500 by the pressing roller 600, the first coating roller 500 coats half-layer full-water release coating on the polyester film, then the drying treatment is carried out at the temperature of 80 ℃ by the drying component, the second coating roller 500 coats the other half-layer full-water release coating on the polyester film, then the drying treatment is carried out at the temperature of 120 ℃ by the drying component, then the drying treatment is carried out at the temperature of 135 ℃ by the drying component in the first drying chamber 410, and the drying treatment is carried out at the temperature of 100 ℃ by the drying component in the second drying chamber 420.
According to the method, the polyester film is coated with the one-half layer of all-water release coating, a part of water can be removed through drying, then the other one-half layer of all-water release coating is coated, and then the polyester film is dried in stages, so that the drying effect and efficiency can be improved.
The advantage of the present application over the prior art is that the present application enables layered coating and staged drying.
Referring to fig. 2 and 6, a receiving tank 550 is fixedly connected to the bottom of the coating chamber 400, and the receiving tank 550 is located directly below the two coating rollers 500, and can receive the coating dropped on the coating rollers 500 through the receiving tank 550.
Referring to fig. 1, 2 and 6, a lifting cylinder 620 is fixedly connected to the upper end wall of the coating chamber 400 corresponding to the position of the pressing roller 600, the output end of the lifting cylinder 620 is fixedly connected to a lifting plate 610, the pressing roller 600 is rotatably connected to the lifting plate 610, the lifting plate 610 can be driven to move vertically by the lifting cylinder 620, and the lifting plate 610 drives the pressing roller 600 to move vertically.
Referring to fig. 2, 3, 4, and 5, the drying assembly includes a first drying assembly 700,
the first drying assembly 700 includes:
the first drying box 710 is fixedly connected to the inner sidewall of the coating box 100, and the left and right end sidewalls of the first drying box 710 are respectively provided with a first moving hole 720;
the air inlet box 730 is fixedly connected to the lower end wall of the first drying box 710 and penetrates through the lower end wall, and an air inlet hole 731 is formed at one end of the air inlet box 730 extending into the first drying box 710;
the suction box 740 is fixedly connected to and penetrates through the upper end wall of the first drying box 710, and a suction hole 741 is formed at one end of the suction box 740 extending into the first drying box 710.
By introducing hot air into the air inlet box 730, the hot air flows into the first drying box 710 from the air inlet holes 731 on the air inlet box 730 to dry the all-aqueous release coating on the polyester film passing through the first moving hole 720, and the air suction holes 741 on the air suction box 740 can suck the air dried in the first drying box 710, so that air pressure balance is realized.
Referring to fig. 2, 3, 4 and 5, positioning tubes 733 penetrating through the sidewalls are fixedly connected to the front and rear sidewalls of the first drying box 710, one end of each positioning tube 733 extending into the first drying box 710 is rotatably sleeved with two ports of a rotating sleeve 732, one positioning tube 733 is communicated with the air inlet box 730 through a first connecting tube 734, and the rotating sleeve 732 is in contact with the surface of the polyester film to transfer heat;
the hot air can flow into the rotating sleeve 732 through one positioning tube 733, then is sent into the air inlet box 730 through the other positioning tube 733 and the first connecting tube 734, and the rotating sleeve 732 can transfer heat energy to the polyester film after absorbing the heat energy, so that the drying effect is improved.
Referring to fig. 2, 3, 4 and 5, the outer walls of the two sides of the first drying box 710 are fixedly connected with first air suction pipes 760, the positions of the first air suction pipes 760 corresponding to the first moving holes 720 are provided with first air suction holes 761, and the first air suction pipes 760 are respectively communicated with the air suction boxes 740 through air pipes 750;
in order to prevent the hot air from flowing out of the first moving hole 720 on the first drying box 710 to affect the temperature inside the coating box 100, the air flowing out of the first moving hole 720 can be sucked away through the first suction hole 761 on the first suction pipe 760 while the first suction pipe 760 and the suction box 740 communicate through the vent pipe 750;
the number of the first suction pipes 760 may be plural in order to enhance the suction effect, and may be provided at both upper and lower sides of the first moving hole 720.
Referring to fig. 6, 7, 8, and 9, the drying assembly includes a second drying assembly 800,
the second drying assembly 800 includes:
the second drying box 810 is fixedly connected to the inner side wall of the coating box 100, and the side walls of the left and right ends of the second drying box 810 are respectively provided with a second moving hole 820;
a conveyor belt 830 disposed in the second drying box 810, the second moving hole 820 being located between an upper end conveying surface and a lower end conveying surface of the conveyor belt 830;
a plurality of moving boxes 840 fixedly connected to opposite surfaces of the upper conveying surface and the lower conveying surface of the conveyor belt 830, wherein a plurality of air outlets 841 are formed on a surface of the moving boxes 840 opposite to the conveyor belt 830, and the adjacent moving boxes 840 are communicated through a second connecting tube 842;
wherein, a moving box 840 in the upper conveying surface and a moving box 840 in the lower conveying surface of the conveyor belt 830 are respectively provided with an air duct 843, and the air duct 843 penetrates the second drying box 810 and is a metal hose.
It should be noted that, the conveyor belt of the conveyor belt 830 in the present application is a high-temperature-resistant metal mesh;
the conveyer belt 830 can drive and remove box 840 reciprocating motion for remove the venthole 841 on the box 840 and can blow hot-blast two sides at the polyester film, thereby realize drying the full waterborne from the type coating on the polyester film that passes second removal hole 820, can improve dry effect, the air duct 843 of this application is metal collapsible tube, can adapt to the reciprocating motion who removes box 840, and the second coupling 842 can be with removing box 840 intercommunication each other.
Referring to fig. 6, 7, 8, and 9, the second drying assembly 800 further includes:
a plurality of second suction pipes 850 respectively penetrating through the side walls of the left and right ends of the second drying box 810 and fixedly connected with the second drying box 810, wherein the positions of the second suction pipes 850 extending into the second drying box 810 corresponding to the polyester film are provided with second suction holes 851;
in order to prevent a large amount of hot air from flowing out of the second moving hole 820, the hot air, which is blown back on the mylar after drying, can be sucked away through the second suction hole 851 on the second suction pipe 850, and the heat absorption from the second suction hole 851 can be reduced, thereby affecting the temperature inside the coating box 100.
A production process based on the water-resistant electrochemical aluminum production equipment comprises the following specific steps:
the polyester film is passed through the inlet and outlet 200 and the through-hole 310, and then the coating roller 500 rotates so that the paint in the paint cartridge 520 can be carried out by the web layer 510 and then the surplus paint can be scraped off by the scraper 540 so that the paint in the web layer 510 can be smeared on the lower surface of the polyester film, and the press roller 600 can make the polyester film cling to the coating roller 500, the first coating roller 500 coats one half of the full-aqueous release paint on the polyester film and then the other half of the full-aqueous release paint is smeared on the polyester film by one drying component at 80 degrees centigrade, then the second coating roller 500 coats the other half of the full-aqueous release paint on the polyester film and then the drying component at 120 degrees centigrade, and then the drying component in the first drying chamber 410 is dried at 135 degrees centigrade, and the drying component in the second drying chamber 420 is dried at 100 degrees centigrade.
The production process of the electrochemical aluminum in the application is different from the prior art: mainly the difference of the coating process of the full-water release coating, and other steps are the same as the existing production process of the electrochemical aluminum.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which fall within the scope of the present invention.
Claims (9)
1. A water-resistant electrochemical aluminum production device is characterized by comprising
The side walls of the left end and the right end of the coating box are respectively provided with an inlet and an outlet;
the two partition boards are fixedly connected in the coating box, the partition boards divide the coating box into a coating chamber, a first drying chamber and a second drying chamber, and through holes are formed in positions, corresponding to the inlet and the outlet, of the partition boards;
the two coating rollers are arranged in the coating chamber, the outer circumferential wall of each coating roller is provided with a net text layer, and the two coating rollers are used for coating the coating in a layered manner;
the two paint cartridges are respectively arranged on one side wall of two paint rollers in the coating chamber, the side wall of each paint cartridge is provided with a paint opening, and the side wall of each paint roller penetrates through the paint opening and stretches into the paint cartridge;
the two press rolls are respectively arranged right above the two coating rolls in a lifting manner;
the two scraping plates are arranged in the coating box and are used for scraping out redundant coating on the net text layer;
the four drying assemblies are arranged in the first drying chamber, the second drying chamber and the third drying chamber, and the two drying assemblies of the third drying chamber are respectively positioned on the right sides of the two coating rollers;
wherein, four stoving subassemblies are used for providing different stoving temperatures respectively.
2. The process according to claim 1, wherein a receiving tank is fixedly connected to the bottom of the coating chamber, and the receiving tank is located right below the two coating rollers.
3. The process for producing water-resistant electrochemical aluminum according to claim 2, wherein the upper end wall of the coating chamber is fixedly connected with a lifting cylinder corresponding to the position of the pressing roller, the output end of the lifting cylinder is fixedly connected with a lifting plate, and the pressing roller is rotatably connected with the lifting plate.
4. A process for producing water-resistant electrochemical aluminium according to claim 3, wherein the drying assembly comprises a first drying assembly,
the first drying assembly includes:
the first drying box is fixedly connected to the inner side wall of the coating box, and the side walls of the left end and the right end of the first drying box are respectively provided with a first moving hole;
the air inlet box is fixedly connected to the lower end wall of the first drying box and penetrates through the lower end wall, and an air inlet hole is formed in one end of the air inlet box extending into the first drying box;
the air suction box is fixedly connected to the upper end wall of the first drying box and penetrates through the upper end wall, and an air suction hole is formed in one end of the air suction box extending into the first drying box.
5. The process according to claim 4, wherein positioning pipes penetrating through the side walls are fixedly connected to the front and rear side walls of the first drying box respectively, one end of each positioning pipe extending into the first drying box is rotatably sleeved with two ports of the rotating sleeve, one positioning pipe is communicated with the air inlet box through the first connecting pipe, and the rotating sleeve is in contact with the surface of the polyester film.
6. The process according to claim 5, wherein the outer walls of the two sides of the first drying box are respectively and fixedly connected with a first air suction pipe, the first air suction pipe is provided with a first air suction hole corresponding to the first moving hole, and the first air suction pipe is respectively communicated with the air suction box through an air pipe.
7. A process for producing water-resistant electrochemical aluminium according to claim 3, wherein the drying assembly comprises a second drying assembly,
the second drying assembly includes:
the second drying box is fixedly connected to the inner side wall of the coating box, and the side walls of the left end and the right end of the second drying box are respectively provided with second moving holes;
the conveying belt is arranged in the second drying box, and the second moving hole is positioned between the upper end conveying surface and the lower end conveying surface of the conveying belt;
the movable boxes are respectively and fixedly connected to opposite surfaces of an upper end conveying surface and a lower end conveying surface of the conveyor belt, one surface of each movable box, which is opposite to the conveyor belt, is provided with a plurality of air outlet holes, and the adjacent movable boxes are communicated through a second connecting pipe;
wherein, a movable box in the upper end conveying surface and a movable box in the lower end conveying surface of the conveyor belt are respectively provided with an air duct, and the air duct penetrates through the second drying box and is a metal hose.
8. A water resistant electrochemical aluminium production process according to claim 7, wherein the second drying assembly further comprises:
and a plurality of second air suction pipes respectively penetrate through the side walls of the left end and the right end of the second drying box and are fixedly connected with the second drying box, and second air suction holes are formed in the positions, corresponding to the polyester films, of the second air suction pipes, extending into the second drying box.
9. A production process based on the water-resistant electrochemical aluminium production plant according to any one of claims 6 or 8, characterized by the specific steps of:
the polyester film passes through the inlet and the outlet and the through holes, the coating roller rotates to enable the reticulate pattern layer to bring out the coating in the coating box, then the excessive coating is scraped off by the scraping plate, the coating in the reticulate pattern layer can be smeared on the lower surface of the polyester film, the polyester film is tightly attached to the coating roller by the pressing roller, the first coating roller coats one half layer of full-water release coating on the polyester film, then the polyester film is dried at 80 ℃ by a drying component, the second coating roller coats the other half layer of full-water release coating on the polyester film, then the polyester film is dried at 120 ℃ by a drying component, then the drying component in the first drying chamber is dried at 135 ℃, and the drying component in the second drying chamber is dried at 100 ℃;
the first drying component is used as a drying component, namely, hot air can flow into the rotating sleeve through one positioning pipe, then is sent into the air inlet box through the other positioning pipe and the first connecting pipe, and the rotating sleeve can transfer heat energy to the polyester film after absorbing the heat energy; the hot air flows into the first drying box from the air inlet hole on the air inlet box to dry the all-water release coating on the polyester film passing through the first moving hole, and the air suction hole on the air suction box can suck the air dried in the first drying box, so that air pressure balance is realized; the air flowing out of the first moving hole can be sucked away through the first air suction hole on the first air suction pipe, and meanwhile, the first air suction pipe is communicated with the air suction box through the air pipe;
the second drying component is used as a drying component, the conveyor belt drives the movable box to reciprocate, so that hot air is blown on two sides of the polyester film through the air outlet holes on the movable box, thereby drying the all-water release coating on the polyester film passing through the second movable hole, and the movable boxes are mutually communicated through the second connecting pipe; and hot air rebounded on the polyester film after drying is sucked away through the second air suction hole on the second air suction pipe, so that heat absorption is reduced and flows out from the second air suction hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310508087.2A CN116273724A (en) | 2023-05-08 | 2023-05-08 | Water-resistant electrochemical aluminum production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310508087.2A CN116273724A (en) | 2023-05-08 | 2023-05-08 | Water-resistant electrochemical aluminum production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116273724A true CN116273724A (en) | 2023-06-23 |
Family
ID=86780137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310508087.2A Pending CN116273724A (en) | 2023-05-08 | 2023-05-08 | Water-resistant electrochemical aluminum production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116273724A (en) |
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2023
- 2023-05-08 CN CN202310508087.2A patent/CN116273724A/en active Pending
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