CN102995018A - Flexible enamel coiled plate continuous production method - Google Patents

Flexible enamel coiled plate continuous production method Download PDF

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Publication number
CN102995018A
CN102995018A CN2011103501075A CN201110350107A CN102995018A CN 102995018 A CN102995018 A CN 102995018A CN 2011103501075 A CN2011103501075 A CN 2011103501075A CN 201110350107 A CN201110350107 A CN 201110350107A CN 102995018 A CN102995018 A CN 102995018A
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enamel
rinsing
polishing
roll bending
flexible
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罗东岳
路兴浩
余庚
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MCC STRIPTEC CO Ltd
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MCC STRIPTEC CO Ltd
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Abstract

The invention provides a flexible enamel coiled plate continuous production method. The flexible enamel coiled plate continuous production method is characterized by comprising the following steps in sequence: upwards coiling a substrate in a coil state; uncoiling; degreasing; rinsing; polishing; rinsing; scouring and activating; rinsing; coating an intermediate layer; rinsing; drying; coating and enameling; drying; heat-treating; sintering; cooling; checking; filming; reeling; and packaging to form the enamel coiled plate, wherein strip steel is not cut off during the whole production process, so that continuous production is kept. The flexible enamel coiled plate continuous production method, provided by the invention, can realize reel-to-reel continuous production of the enamel plate; and the flexible enamel coiled plate has the characteristics of being smooth in surface, strong in corrosion resistance and weather resistance, easy in bending work, and convenient to install, can be widely applied to the fields such as a writing plate, interior and exterior decorative sheets of a building and a roof material.

Description

A kind of flexible enamel roll bending continuous system making method
Technical field
The present invention relates to a kind of method for manufacturing of flexible enamel roll bending, the continuous production method of this flexible enamel roll bending particularly, the method can realize that the board with enamel panel layer volume to volume produces continuously.
Background technology
Enamel material is broken through traditional daily field with characteristics such as its excellent solidity to corrosion, fire line, shock resistance, weathering resistance, the feature of environmental protection, artistry, easy cleanings, is playing the part of more and more important role in the development of the national economy.The high-end property such as the communal facilitys such as enameling sheet is very important a kind of in the enamel material, and it is widely used in the Large-sized Communication hinges such as subway, the exhibition center and hotel.But the preparation method of known a large amount of enameling sheets is that (being called " the rear coating " technique) burnt till in the application of slip after the first moulding, and its secondary workability is poor, and production efficiency is low, and installation cost is high.The serialization of enamel production technology forward, lightweight, " precoating " development.The dull and stereotyped production technique of rear coating enamel more and more can not satisfy the modern construction field to casual labourer's phase, cheaply requirement.Given this, produce continuously outfit technique in the urgent need to development of new flexible enamel roll bending, reduce production, processing, transportation and installation cost, enlarge the range of application of enameling sheet.
" precoating " volume to volume production technology known and widespread use comprises roll bending galvanizing, pot galvanize, hot-dip aluminizing zinc, color coating, electronickelling, electroplating zinc-nickel alloy etc.At present enameling sheet and their competition difference are especially compared with colour coated plate, " the rear coating " explained hereafter cost height, the difference limit on the price expansion of its range of application.Still at a disadvantage in the competition such as the field of dressing up at inner wall decoration, exterior wall.
Realize that volume to volume produces continuously, band need utilize roller system to turn to, batch by reeling machine, with guarantee to produce continuously.The inevitable bending that produces certain radian at roll surface of band, however enamel layer is a kind of unorganic glass enamel, can crack even come off when it carries out bending, reduces the protective value to base material.People are seeking the method for head it off always.
Japan has the serial architectural enamel flat board of various moulding and the arc plate field level that is in a leading position in production.Japan Kawasaki Steel Co (JFE) has applied for multinomial patent in Japan, Europe and China, JP11139847 for example, EP0916624, ZL 98123158.6(publication number CN1227278), ZL 200610109059.X(publication number CN1590335A), relate to a kind of patented technology of producing enameling sheet and frit for porcelain enamel, shown the enameling sheet glaze formula that can adapt to rear bending machining.The enameling sheet of producing comprises the plate golding aluminium zinc alloy layer, has the middle layer of good adhesion effect, the enamel coating of the superiors.The inventor thinks that enameling sheet that this technology produces all being excellent aspect solidity to corrosion and the enamel adherence two, can be used for various fields, particularly by crooked post-treatment field.But this technology does not relate to the enamel coiled plates continuous production method.
Jiang Weizhong etc. study discovery, (Shi Wangtao, Qian Huichun, Jiang Weizhong etc. low temperature covers the adhesion property research [J] of aluminium zinc Enamelling Sheet Steel. glass and enamel, 2008, (1), 14-16.) (Gong Dejian, Qian Huichun, Jiang Weizhong etc. cover low temperature preparation and the adherence mechanism research [J] thereof of aluminium steel plate enamel. glass and enamel, 2007, (6), 17-20,26.), the adhesion property that covers aluminium zinc Enamelling Sheet Steel is good, and obvious transition layer and Elements Diffusion are arranged between aluminium-zinc coating and the enamel layer, the combination of intermediate layer and metallic aluminium realizes by metallic bond that mainly the combination of intermediate layer and enamel layer mainly is to realize by ionic linkage and covalent linkage.Discovery at the interface formation of enamel layer and metal level the composite bed of iron-aluminium-enamel.The X-ray energy spectrometer analytical results shows that the Elements Diffusion between the interface is very strong, and has promoted thus to cover aluminium steel plate and enamel layer forms good adherence.This discovery has indicated a kind of by spreading between element, promotes the research direction of fine and close combination between matrix and enamel layer.
Wang Qiang etc. have announced the manufacture method (application number: CN200310117780.X) of a kind of super-strength Enamelled blackboard, blank, adopt 0.3~0.6mm Cold Rolled Sheet Steel and enamel technology to make, adopt the extraordinary glaze of low temperature to burn till with two sprays, two burning methods, be ground-coat enamel in enamelling kiln with 680 ℃~740 ℃ sintering 3~4 minutes, cover-coat enamel burns with 560 ℃~640 ℃ and formed enamel layer in 3~4 minutes.Jiang Caifeng has announced a kind of roller coating production line device that utilizes to the production method (publication number: CN101215188), relate to machinery and method and technology field of aluminium foil roller coat vitreous enamel.Introduce a kind of roller coating machine, be used for the roller coat processing to the aluminium-foil enamel glaze.Baotou Gangshan Environmental Protection Electromechanical Equipment Manufacturi discloses a kind of utility model patent product (patent No.: ZL 200420065676.0); relate to the large plate of a kind of rare-earth flexible enamel; principal feature is to be provided with the rare-earth flexible enamel layer on two planes of steel plate, and they are an integral body.Provide a kind of intensity high, shock resistance can the crooked large plate of rare-earth flexible enamel of appropriateness, can realize crooked 30 ° and not burst porcelain does not come off.Specification can reach 2.5 meters * 1.25 meters.These research inventions show, by strengthening the adhesion property of enamel layer and matrix, improve the toughness of frit for porcelain enamel, realize that it is feasible that the board with enamel panel layer volume to volume is produced continuously.
Summary of the invention
Technical problem to be solved by this invention is: a kind of flexible enamel roll bending continuous system making method is provided, overcome enamel coiled plates quantity-produced technological difficulties, make enamel layer can carry out the bending of certain radian, to realize that steel plate is in the continuously operation of surface of roller system, increase simultaneously the toughness of enamel layer, strengthen the bonding force of enamel layer and base material (steel band or other metal strip).
The technical solution adopted in the present invention is: a kind of flexible enamel roll bending continuous system making method is characterized in that may further comprise the steps: substrate is rolled up uncoiling, degreasing to become on the volume state, rinsing, polishing, rinsing, acid-wash activation, rinsing, the coating middle layer, rinsing dries up, the application of slip, oven dry, thermal treatment, sintering, cooling checks that overlay film batches, packing is made enamel coiled plates, and whole Production Flow Chart band steel is not cut off, and keeps producing continuously.
Aforesaid flexible enamel roll bending continuous system making method is characterized in that, described substrate is selected steel band, nickel-clad steel band, the aluminium strip that satisfies standard GB/T/T 13790-2008 or covered a kind of in the aluminium-zinc alloy steel band.
Aforesaid flexible enamel roll bending continuous system making method is characterized in that, when substrate was selected aluminium strip or cover the aluminium-zinc alloy steel band, described method further was included in and inserts operation between operation rinsing and the coating middle layer: electronickelling and rinsing.
Aforesaid flexible enamel roll bending continuous system making method, it is characterized in that, polishing step is for successively adopting varigrained abrasive band or emery wheel that substrate surface is carried out mechanical polishing in order, polishing machine is to be comprised of the ring-like abrasive band of the roll body drive of high speed rotating or the polishing wheel series of high speed rotating, polishing sequentially is rough polishing 140-280#, middle throwing 300-800#, the smart 800-1200# of throwing, and the surface of polished roughness reaches Ra 0.1 ~ 0.3 μ m.
Aforesaid flexible enamel roll bending continuous system making method is characterized in that described coating middle layer step is for to generate Amorphous Ni-P Alloy-B alloy layer by chemical plating method at substrate surface, and thickness is 300mg/m2 ~ 500mg/m2.
Aforesaid flexible enamel roll bending continuous system making method is characterized in that, the mode of described application of slip step is preferentially selected roller coat for spraying or roller coat.
Aforesaid flexible enamel roll bending continuous system making method, it is characterized in that described oven dry, thermal treatment, sintering step are finished in same annealing sintering oven, this body of heater is divided into 150-300 ℃ in pre-heating drying district, heat-treatment zone 350-450 ℃, sintering zone 500-600 ℃; Drying time 1min-5min, heat treatment time 10min-20min, sintering time 5min-20min; Each section is established automatic temperature-regulator in the stove.
Aforesaid flexible enamel roll bending continuous system making method is characterized in that,, the body of heater of described annealing sintering oven is tunnel like, the sintering zone waste heat is transferred to the pre-heating drying district by pipeline, with save energy.
Aforesaid flexible enamel roll bending continuous system making method is characterized in that, described overlay film step, and this film is selected a kind of among PVC, PU or the PET.
The invention has the beneficial effects as follows: board with enamel panel layer can realize that volume to volume produces continuously, and production efficiency is high, and cost is low.Enamel coiled plates glaze layer is combined densification by the middle layer with matrix, it is strong to have toughness, the characteristic of crooked not burst porcelain.Convenient transport, easy to process, install simple.The continuous-output machine group can be calculated the unit top speed according to the production capacity requirement, is equipped with flexibly the polishing machine number of the arrangement, electroless Ni-P-B plating alloy groove body length or the degree of depth, oven dry sintering oven length etc.
Description of drawings
Fig. 1 is the continuous Production Flow Chart block diagram of the enamel coiled plates of the embodiment of the invention.
Fig. 2 is that the enamel coiled plates continuous production processes of the embodiment of the invention is arranged synoptic diagram.
Embodiment
Below by embodiment, the invention will be further described by reference to the accompanying drawings.But these embodiment only are not used in for explanation the present invention and limit the scope of the invention.Those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values are equally within the listed claims limited range of the application.
Please refer to Fig. 1, the enamel coiled plates continuous production method that the embodiment of the invention provides may further comprise the steps: substrate rolls up 1, uncoiling 2, degreasing 3 to become on the volume state, rinsing 4, polishing 5, rinsing 6, acid-wash activation 7, rinsing 8, electronickelling 9, rinsing 10, coating middle layer 11, rinsing 12 dries up 13, the application of slip 14, oven dry 15, thermal treatment 16, sintering 17, cooling 18 checks 19, and overlay film 20 batches 21, packing 22 is made enamel coiled plates, and whole Production Flow Chart band steel is not cut off, and keeps producing continuously.The specific features of each process is:
Base materials employed for satisfying GB/T 13790-2008 "Enamel is with cold-rolling mild steel plate and steel band " the enamel dedicated substrate that requires, for cold rolling ultra low-carbon steel (carbon content≤0.008%), be characterized in having good stamping performance, be combined with enamel simultaneously and have good adhesion property and scaling resistance energy.The trade mark of producing such as Baosteel company is BTC series, and the trade mark that Wuhan Iron and Steel Plant company produces is WSCT series, and the trade mark that Anshan iron and steel plant company produces is ATC1 series etc., or uses the nickel-clad steel band, or aluminium strip, or covers aluminium zinc steel band.Thickness of strip is 0.3-3.0mm.
The purpose of degreasing 3 steps is to remove the impurity such as the residual greasy dirt of substrate surface, iron powder.Adopt the conventional alkaline defatting agent that uses, through spray, scrub hot water rinsing, cold rinse etc.After cleaning, the substrate surface resid amount is≤50mg/m 2
One of purpose of polishing 5 steps is further to change the substrate surface nao-and micro relief, reduces the substrate surface roughness, can prevent the later stage application of slip after, the surface produces " orange peel ", enables to obtain the board with enamel panel layer of surface smoothing, is applied to the fields such as architectural finish.In addition, base material is carried out polished finish, when substrate surface chemistry applies one deck middle layer, this middle layer can with the base material mortise.Polish 5 steps for successively adopting varigrained abrasive band or emery wheel that substrate surface is carried out mechanical polishing in order.This polishing machine is to be comprised of the ring-like abrasive band of the roll body drive of high speed rotating or the polishing wheel series of high speed rotating, and polishing sequentially is rough polishing (140-280#), middle throwing (300-800#), smart throw (800-1200#).Steel surface roughness is Ra 0.1 ~ 0.3 μ m after the polishing.
The purpose of acid-wash activation 7 steps is activation matrix surfaces, makes the chemical coating middle layer finer and close and quick.The 2-15% dilution heat of sulfuric acid is adopted in pickling.
Electronickelling 9 is nonessential step.Determine whether drop into according to raw materials used substrate kind.For example base materials employed for covering aluminium zinc steel band, or during aluminium strip, direct electroless plating Ni-P-B alloy on it, tack is relatively poor, needs to drop into electronickelling.
Coating middle layer 11 steps are the Amorphous Ni-P Alloy that generates at substrate surface by chemical plating method-B alloy layer, can crystallization after 350-450 ℃ of thermal treatment, increase toughness.This intermediate layer thickness is 300mg/m 2~ 500mg/m 2
The mode of the application of slip 14 step glazes is that spraying or roller coat are preferentially selected roller coat.When selecting different application of slip modes, the suitable glaze pretreatment mode of corresponding selection.Select spraying, then glaze is milled to fully carefully, take static dry spraying or wet spray.Spray gun is for arranging up and down, and enamel layer thickness is crossed time variable control by spray gun input amount and window of web velocities linkage complete and realized.Select roller coat, then glaze is made glaze slip, and control its viscosity.Used roller coating machine possesses top and bottom independence coating functions.
Oven dry 15, thermal treatment 16 and sintering 17 steps are finished in the different temperature range in same body of heater.Body of heater is divided into 150-300 ℃ in pre-heating drying district, and heat-treatment zone 350-450 ℃, sintering zone 500-600 ℃.Drying time 1min-5min, heat treatment time 10min-20min, sintering time 5min-20min.The pre-heating drying district can tentatively dry glaze, and progressively heating up enters the heat preservation hot treatment zone, and in this interval, the strong scattering and permeating of element occurs each other for intermediate layer Ni-P-B and frit for porcelain enamel, and Ni-P-B crystallization progressively in this temperature range.Band enters the high temperature sintering district, and glaze is at this abundant sintering porcelain.Middle layer and enamel layer form and interpenetrate, by the integral body of the fine and close combination of chemical bond.This body of heater is tunnel like, and the sintering zone waste heat is transferred to the pre-heating drying district by pipeline, with save energy.
Enamel coiled plates behind the sintering enters the detection operation after air-cooled.Whether emphasis checks surface quality, such as color distortion, have squama quick-fried, and whether the defectives such as stain are arranged.
Qualified enamel coiled plates after testing, at its surface coating, this film component is PVC, or PU, or PET.The purpose that overlay film of the present invention is processed is, for reducing enameling sheet in coiling process, because the phase mutual friction appears in strap tension.This layer film can guarantee that not only the board with enamel panel layer face, in the later stage transportation and carries out in the cutting course of processing without Friction mark in the coiling process, can guarantee plate face cleaning.This coating layer is thrown off by the final user after enamelware installs.
Fig. 2 is that the enamel coiled plates continuous production processes of the embodiment of the invention is arranged synoptic diagram.The corresponding corresponding processing step of numbering.This synoptic diagram only is explanation enforcement of the present invention, and the present invention is not limited to this decoration form.
Following is specific embodiments of the invention:
Embodiment 1
A kind of continuous production method of carbon steel enamel coiled plates, concrete production stage is:
(1) take the cold rolling porcelain enamel substrate BTC1(of Baosteel carbon containing≤0.008%) as base material, sheet metal thickness 0.8mm, width 1250.
(2) spray oil removing with Henkel grease-removing agent (Henkel VR6334-16 model).Grease-removing agent concentration 15-25 g/l, temperature 65-75 ℃, upper and lower surface sprays, scrubs degreasing, spray pressure 0.4MPa.Hot water three stage countercurrent spray rinsings, hot water temperature 70-75 ℃.Cold water three stage countercurrent rinsings.Measuring Oil residue on surface after cleaning is 40mg/m 2The band steel enters down polishing process one through entry loop.
(3) polishing machine is belt sander, drops into altogether three groups of grinding head for polishing series connection.Successively adopt 180#, 380#, 800# sand paper to carry out slightly, in, finishing polish.After polishing, surfaceness is 0.2 μ m.Clean to steel plate upper and lower surface spraying-rinsing again.
(4) entering concentration with steel by immersion roller is in 10% the dilution heat of sulfuric acid, to reach the purpose of activation belt steel surface.After going out the acid-wash activation groove, use the de-salted water spray to clean up to band steel upper and lower surface.
(5) the band steel enters electroless plating tank, plating Ni-P-B alloy.By 80 ℃ of red-tape operati temperature, plating time 80s guarantees that chemical plating Ni-P-B alloy layer is non-crystal structure, and Ni-P-B thickness is about 400mg/m 2
(6) with enamel coiled plates glaze and coating agent, stablizer, mill addition, the mixing such as water, ball milling, form glaze slip, the glaze slurry viscosity is 50 ± 3 seconds (glaze slip is non-Newtonian fluid, surveys apparent viscosity for conveniently taking Ford Cup-4#, timing during with the appearance cutout), adopt roll coating model, realize the upper and lower surface application of slip.Wherein, the coating roller speed ratio is tape speed: coating roller: draw material roller=1:3:1.5, the dried about 30-40 μ of the thickness m that wards off.
(7) through the band steel of the application of slip, enter continuous tunnel furnace, burner hearth is established the differing temps interval.The first temperature range 150-300 ℃, be baking zone, surperficial frit for porcelain enamel is dried under this temperature, solidifies.350 ℃-450 ℃ of the second temperature ranges are the heat-treatment zone, and the band steel is through this interval, and the Ni-P-B layer in this interval the mutual diffusion of element phase occurs with enamel layer.And Ni-P-B middle layer crystallization progressively under this temperature.The 3rd temperature range 500-600 ℃, be the sintering zone, middle layer and enamel layer form fine and close key coat further in the chemical bond mode.Frit for porcelain enamel is sintering 10min under this temperature, and porcelain forms adamantine layer.
(8) enameling sheet behind sintering enters cooling section.Adopt air-cooled or water cooled rolls, make surface of steel plate be cooled to≤50 ℃, the line with rubber roll surface is not made significant difference guaranteeing, in order to avoid accelerate line with rubber roll surface ageing of rubber speed.
(9) after the cooling, range estimation enameling sheet surface quality.The enameling sheet surface hot compress film that is up to the standards is processed.Be covered with PE film, to reduce in the rolling coiling process directly phase mutual friction between the enameling sheet glaze layer, and the risk that reduces generation abrasion mark in the later stage transportation.Simultaneously, behind the overlay film, carry out such as cutting in the later stage, cut in the reprocessing process, can significantly reduce such as finger-marks, paint etc. are to the Pollution risk on board with enamel panel layer surface.The surface protection overlay film is thrown off by the final user.
Embodiment 2
A kind of continuous production method of covering aluminium zinc enamel coiled plates, concrete production stage is:
(1) select the steel plate that is coated with aluminium-zinc alloy, wherein aluminium content is 52 ~ 55%, and zinc content is 42 ~ 46%, and silicone content is 1.5% ~ 2%.Known studies confirm that, zinc have the characteristic that reduces vitreous enamel and matrix metal adherence.So increase the electronickelling processing step, to improve adhesion property.
(2) step is with embodiment 1(2)-(4) step.Especially, cover the few or oil-containing not of aluminium zinc surface of steel plate oleaginousness, so defatted concd is reduced to 2-3%, the spot that on unit, may adhere in the operational process to clean transportation or steel band.In addition, only polish for application of slip face, control polishing machine draught prevents from destroying the aluminium-zinc alloy layer, exposes the matrix steel plate.Acid etching can dissolve surface layer part zinc, reduces the impact on adherence.
(3) cover aluminium zinc steel band through vertical electric nickel bath, double side nickel-plated.Application of slip face (being generally upper surface) nickel plating is conducive to electroless plating in its surperficial rapid reaction, generates the Ni-P-B middle layer, strengthens the bonding force in matrix.Not application of slip face (being generally lower surface) nickel plating prolongs the enamel coiled plates weather resistance for strengthening solidity to corrosion.
(4) remaining step and embodiment 1(5)-(9) identical.
Enamel coiled plates should reduce enameling sheet as far as possible and turn to bending behind sintering, S roller (tensioning roller) demand unless necessary, coiler mandrel demand.The used production line roller of embodiment directly is 800mm, and the mandrel diameter of coiling machine minimum is 508mm.
The enamel coiled plates of above-described embodiment preparation, surface smoothing, enamel layer sticking power is good, and has certain toughness, can satisfy the bending process of minimum profile curvature radius 250mm and the enamel layer flawless does not fall porcelain.This enamel layer has well corrosion-resistant, and chemically-resistant pollutes, UV resistant nondiscoloration (weather-proof) performance.Can be transported to the working-yard and carry out cutting, punching, the processing such as bending.Greatly reduce building decoration, subway is decorated, and the difficulty of construction of clipboard etc. has shortened construction period.Avoided " rear application of slip plate " can't finish the drawback of installation because of on-the-spot dimensional change.
Choosing of each base material of the present invention, and the bound of processing parameter (such as temperature, time etc.), interval value can both realize the present invention, do not enumerate one by one embodiment at this.

Claims (9)

1. a flexible enamel roll bending continuous system making method is characterized in that, may further comprise the steps: substrate is to become volume (1) on the volume state, uncoiling (2), degreasing (3), rinsing (4), polishing (5), rinsing (6), acid-wash activation (7), rinsing (8), coating middle layer (11), rinsing (12), dry up (13), the application of slip (14), oven dry (15), thermal treatment (16), sintering (17), cooling (18) checks (19), overlay film (20), batch (21), packing (22) is made enamel coiled plates, whole Production Flow Chart band steel is not cut off, and keeps producing continuously.
2. flexible enamel roll bending continuous system making method according to claim 1 is characterized in that, described substrate is selected steel band, nickel-clad steel band, the aluminium strip that satisfies standard GB/T/T 13790-2008 or covered a kind of in the aluminium-zinc alloy steel band.
3. flexible enamel roll bending continuous system making method according to claim 2, it is characterized in that, when substrate was selected aluminium strip or cover the aluminium-zinc alloy steel band, described method further was included in and inserts operation between operation rinsing (8) and coating middle layer (11): electronickelling (9) and rinsing (10).
4. flexible enamel roll bending continuous system making method according to claim 1, it is characterized in that, polishing (5) step is for successively adopting varigrained abrasive band or emery wheel that substrate surface is carried out mechanical polishing in order, polishing machine is to be comprised of the ring-like abrasive band of the roll body drive of high speed rotating or the polishing wheel series of high speed rotating, polishing sequentially is rough polishing 140-280#, middle throwing 300-800#, the smart 800-1200# of throwing, and the surface of polished roughness reaches Ra 0.1 ~ 0.3 μ m.
5. flexible enamel roll bending continuous system making method according to claim 1 is characterized in that, described coating middle layer (11) step is for to generate Amorphous Ni-P Alloy-B alloy layer by chemical plating method at substrate surface, and thickness is 300mg/m 2~ 500mg/m 2
6. flexible enamel roll bending continuous system making method according to claim 1 is characterized in that, the mode of the described application of slip (14) step is preferentially selected roller coat for spraying or roller coat.
7. flexible enamel roll bending continuous system making method according to claim 1, it is characterized in that, described oven dry (15), thermal treatment (16), sintering (17) step are finished in same annealing sintering oven, this body of heater is divided into 150-300 ℃ in pre-heating drying district, heat-treatment zone 350-450 ℃, sintering zone 500-600 ℃; Drying time 1min-5min, heat treatment time 10min-20min, sintering time 5min-20min; Each section is established automatic temperature-regulator in the stove.
8. flexible enamel roll bending continuous system making method according to claim 7 is characterized in that,, the body of heater of described annealing sintering oven is tunnel like, the sintering zone waste heat is transferred to the pre-heating drying district by pipeline, with save energy.
9. flexible enamel roll bending continuous system making method according to claim 1 is characterized in that, described overlay film (20) step, and this film is selected a kind of among PVC, PU or the PET.
CN2011103501075A 2011-11-08 2011-11-08 Flexible enamel coiled plate continuous production method Pending CN102995018A (en)

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CN104625943A (en) * 2015-01-22 2015-05-20 肇庆美凌环保机械科技有限公司 Grinding system and method for workpiece surface treatment
CN105297012A (en) * 2014-06-18 2016-02-03 株式会社裕晋 Method for coating metal pipe with enamel and enamel coating equipment for achieving method
CN105506627A (en) * 2016-01-05 2016-04-20 广东美的厨房电器制造有限公司 Enamel component and preparing method thereof
CN105525291A (en) * 2016-01-05 2016-04-27 广东美的厨房电器制造有限公司 Enamel inner container as well as enamel spraying method and equipment of enamel inner container
CN106335268A (en) * 2016-10-20 2017-01-18 江阴瑞兴科技有限公司 Online film laminating unit of high-speed metal coating plate
CN107263289A (en) * 2017-08-17 2017-10-20 湖北华锐铝基板科技有限公司 A kind of substrate pretreatment system produced for aluminium base
CN109321928A (en) * 2018-11-24 2019-02-12 崔国辉 A kind of super austenitic stainless steel volume continuous acid-washing method
CN110819990A (en) * 2019-12-16 2020-02-21 山东鲁特西泵业有限公司 Enamel production line
CN113001104A (en) * 2019-12-22 2021-06-22 深圳市新盛机器人有限公司 Special construction method for robot body

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CN105506627B (en) * 2016-01-05 2019-04-02 广东美的厨房电器制造有限公司 Enamel component and preparation method thereof
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