CN102051617A - Production process of enamel steel plate - Google Patents
Production process of enamel steel plate Download PDFInfo
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- CN102051617A CN102051617A CN 201010621039 CN201010621039A CN102051617A CN 102051617 A CN102051617 A CN 102051617A CN 201010621039 CN201010621039 CN 201010621039 CN 201010621039 A CN201010621039 A CN 201010621039A CN 102051617 A CN102051617 A CN 102051617A
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Abstract
The invention provides a production process of an enamel steel plate, comprising the steps of forming, pretreating, ground coat spraying, drying, furnace burning, over glaze spraying, drying, furnace burning and back surface underboarding. The enamel steel plate has the advantages of bright color, even glaze distribution, seismic resistance, noise reduction and long service life, and is safe and environmental-friendly, and can be applied in the industries such as art murals, household enamel products, industries, buildings and the like. The enamel steel plate in the invention is a compound material which is formed by the steps that a high quality steel plate as a substrate is processed by a static dry method and then is burnt with inorganic nonmetallic material at high temperature so that tight chemical bonds are between the high quality steel plate and the inorganic nonmetallic material generate, and the enamel steel plate is a perfect combination of metals and inorganic materials. The enamel steel plate has flexibility of a steel plate substrate and also has the characteristics of acid-base resistance, endurance, non-combustion, safety, environmental protection and the like of an inorganic enamel layer. The enamel steel plate in the invention is static-free and is easy to clean, the enamel surface is fine and smooth, shakeproof, compression resistant and noise resistant and has small possibility of dust accumulation, the service life is long, and the enamel steel plate does not need to be maintained for 50 years under regular atmospheric environment.
Description
Technical field
The present invention relates to a kind of production technique that is applied to the finishing material of artistic mural painting, family expenses enamel product, industry, building trade, specifically a kind of production technique of enameling sheet.
Background technology
Enamel technology originates from the glass decoration metal.Ancient Egypt occurs the earliest, secondly is Greece.8 th century of China begin to develop enamel, to 14 the end of the century enamel skill reach its maturity, the goods in the period of the 15th century Ming Dynasty in mid-term Jingtai are particularly celebrated, so the title of cloisonne is arranged.In 19th century, the development of all types of industries impels substrate of steel plate enamel to rise, and has started modern enamelled new era.
The enameling sheet base material is the non-organic-containing materials of metal complexity that provide protection is provided; the intensity of existing steel plate and snappiness; have enamel acid and alkali-resistance, advantage such as corrosion-resistant, fire-resistant again; become a kind of important material of construction, be widely used in decorations fields such as subway interior wall, tunnel leg, skin.Yet enameling sheet is through behind the certain hour, and pollutents such as koniology, flue gas can be in its surface adhesion, and it is attractive in appearance to influence enamel.The patent of invention title: a kind of preparation method of photocatalysis enamelled strip, number of patent application: 200810120232.5 disclose a kind of production technique of enameling sheet.This patent is passed through at enamel surface-coated Tio
2Coating effectively strengthens the self-cleaning contamination resistance energy of enamelled, but also can pass through Tio
2The photocatalysis decomposing organic pollutant, play the effect that purifies air.Patent CN01067207 discloses a kind of preparation method of photo catalytic self-cleaning enamel, and the substrate of enamel ccating is immersed in Tio
2In the colloidal solution, after vertically lifting, oven dry and at 350 ℃ to 450 ℃ following sintering, by lifting repeatedly, oven dry, sintering, makes and has desired thickness Tio
2The porcelain enamel substrate of coating.
The Tio of above-mentioned patent disclosure
2The preparation of coating needs high temperature sintering, and technology is comparatively loaded down with trivial details.And enameling sheet production technique of the prior art, because burning till inhomogeneous, fineness degree powdered frit unbalanced, the cloth glaze tends to cause the aberration of enameling sheet, and the enameling sheet that existing sintering technology obtains also exists enamel coating thick, shock-resistance and poor flexibility, defective such as work-ing life is short.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned prior art present situation, and provide bright in luster, safety and environmental protection, cloth glaze evenly, the production technique of a kind of enameling sheet of antidetonation noise reduction, long service life.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of production technique of enameling sheet may further comprise the steps:
Step 1, pending substrate of steel plate cut make required shape;
Step 2, the substrate of steel plate that is shaped is removed pollution substance through chemical treatment, eliminate rust simultaneously;
Step 3, on substrate of steel plate, spray ground-coat enamel;
Step 4, will spray ground-coat enamel substrate of steel plate under 100 ℃ to 250 ℃ with the ground-coat enamel oven dry, form the biscuiting state;
Step 5, again substrate of steel plate is preheated to 400 ℃, puts into enamel firing electric furnace internal heating to 800 ℃, base enamel and substrate of steel plate top layer is fused;
Step 6, on substrate of steel plate, spray one deck cover-coat enamel by required color;
Step 7, substrate of steel plate is dried cover-coat enamel under 100 ℃ to 250 ℃;
Each coating of step 8, described substrate of steel plate is fired in 800 ℃ of pyritous enamel firing electric furnaces;
Step 9, be stained with bottom surface of different nature liner plate at the back side of substrate of steel plate.
For optimizing technique scheme, the measure of taking also comprises:
Repeat above-mentioned step 6 to step 8, the two-layer at least cover-coat enamel of spraying on substrate of steel plate.
Substrate of steel plate in the above-mentioned step 1 is described through computer earlier, cuts into required shape by radium-shine cutting machine according to the digital data of the schema of computer input then.
The substrate of steel plate that is cut in the above-mentioned step 1 is through the surface characteristic of bending press making as face angle, side angle or volume arc.
Above-mentioned substrate of steel plate carries out the cloth glaze in the electrostatic spraying environment, porcelain glaze powder becomes atomizing state to be adsorbed on the blank naturally when automatic spray gun sprays by high pressure static electricity.
Porcelain thickness after above-mentioned enameling sheet base material burns till is 100 μ m to 200 μ m.
Above-mentioned enamel firing electric furnace is controlled in the whole stove temperature difference in ± 5 ℃ when burning till, section temperature difference is in ± 5 ℃ in the stove.
In the above-mentioned step 9, the bottom surface liner plate at the substrate of steel plate back side is the ceramic fibre plate, and its roughness control is in 4% scope.
The enameling sheet of making in the above-mentioned steps 9 is cased through washing clean back.
Compared with prior art, enameling sheet of the present invention is that the employing quality steel plate is a base material, through the processing of static dry process, burns till through high temperature with ceramic, making the matrix material that produces tight chemical bond between the two and form, is the perfect adaptation body of metal and inorganic materials.The snappiness of its existing substrate of steel plate, have again the superpower acid and alkali-resistance of inorganic enamel layer, durable, do not fire, characteristics such as safety, environmental protection.Through U.S. N.B.S lab investigation, enameling sheet acid-alkali-corrosive-resisting of the present invention, weather resistance is strong.Acidproof: as to reach the AA level, be the peak demand of QB/T1855 standard.Alkaline-resisting: loss of gloss not is the peak demand of QB/T1855 standard.Wear-resisting: Mohs' hardness 〉=6, be the hardest person of all coating for metal surfaces, anti-delineation performance is good.Shock-resistant: static dry process enameling substrate of steel plate, impact resistance reach QB/T1855 premium grads standard.The heatproof sudden turn of events: tolerate 〉=100 ℃ of temperature difference; Sudden turn of events fire prevention: reach GB8624 uninflammability A level, it is more firm to adopt grid system to install; Safety and environmental protection: radiationless, no toxic gas distributes in the hot environment.Enameling sheet anti-electrostatic of the present invention is easy to clean, and the porcelain facing exquisiteness, is difficult for dust stratification at antivibration, resistance to compression, anti-noise, and long service life did not need repairing under conventional atmospheric environment in 50 years.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is a process flow sheet of the present invention.
Embodiment 1
As shown in Figure 1, the production technique of a kind of enameling sheet of present embodiment may further comprise the steps:
Step 1, be shaped: pending substrate of steel plate is cut make required shape; Substrate of steel plate is described through computer earlier, cuts into required shape by radium-shine cutting machine according to the digital data of the schema of computer input then, then through the surface characteristic of bending press making as face angle, side angle or volume arc.
Step 2, pre-treatment: the substrate of steel plate that is shaped is removed pollution substance through chemical treatment, eliminate rust simultaneously;
Step 3, ground-coat enamel spraying: on substrate of steel plate, spray ground-coat enamel;
Step 4, oven dry: the substrate of steel plate that will spray ground-coat enamel is dried ground-coat enamel under 100 ℃ to 250 ℃, forms the biscuiting state;
Step 5, stove are burnt: again substrate of steel plate is preheated to 400 ℃, puts into enamel firing electric furnace internal heating to 800 ℃, base enamel and substrate of steel plate top layer are fused;
Step 6, cover-coat enamel spraying: on substrate of steel plate, spray one deck cover-coat enamel by required color;
Step 7, oven dry: substrate of steel plate is dried cover-coat enamel under 100 ℃ to 250 ℃;
Step 8, stove burn: each coating of described substrate of steel plate is fired in 800 ℃ of pyritous enamel firing electric furnaces;
Step 9, repeat above-mentioned step 6, on substrate of steel plate, spray one deck cover-coat enamel once more to step 8;
Step 10, bottom surface liner plate: be stained with bottom surface of different nature liner plate at the back side of substrate of steel plate.
Substrate of steel plate carries out the cloth glaze in the electrostatic spraying environment, porcelain glaze powder becomes atomizing state to be adsorbed on the blank naturally when automatic spray gun sprays by high pressure static electricity.
Porcelain thickness after the enameling sheet base material burns till is 100 μ m to 200 μ m.
The enamel firing electric furnace is controlled in the whole stove temperature difference in ± 5 ℃ when burning till, section temperature difference is in ± 5 ℃ in the stove.
In the step 9, the planeness of the bottom surface liner plate at the substrate of steel plate back side is in 4% scope.
The enameling sheet of making in the step 9 is cased through washing clean back.
Embodiment 2
The production technique of a kind of enameling sheet of present embodiment may further comprise the steps:
Step 1, be shaped: pending substrate of steel plate is cut make required shape;
Step 2, pre-treatment: the substrate of steel plate that is shaped is removed pollution substance through chemical treatment, eliminate rust simultaneously;
Step 3, ground-coat enamel spraying: on substrate of steel plate, spray ground-coat enamel;
Step 4, oven dry: the substrate of steel plate that will spray ground-coat enamel is dried ground-coat enamel under 100 ℃ to 250 ℃, forms the biscuiting state;
Step 5, stove are burnt: again substrate of steel plate is preheated to 400 ℃, puts into enamel firing electric furnace internal heating to 800 ℃, base enamel and substrate of steel plate top layer are fused;
Step 6, cover-coat enamel spraying: on substrate of steel plate, spray one deck cover-coat enamel by required color;
Step 7, oven dry: substrate of steel plate is dried cover-coat enamel under 100 ℃ to 250 ℃;
Step 8, stove burn: each coating of described substrate of steel plate is fired in 800 ℃ of pyritous enamel firing electric furnaces;
Step 9, bottom surface liner plate: be stained with bottom surface of different nature liner plate at the back side of substrate of steel plate.
The production technique of a kind of enameling sheet of the present invention adopts static wet method two to be coated with a firing technique, because the secondary spraying, enamel coating is thinner relatively, and firing temperature is low, and firing time is short, and once-firing makes the degree of deformation of enameling sheet minimum.
For enameling sheet for building, big area plate especially, adopting static wet method two sprays one firing technique is the assurance of plate surface evenness.Adjust the design of operation by follow-up planeness, offset the stress of distortion, planeness can guarantee in 4% the scope fully.
In the prior art, cause the major cause of enameling sheet aberration to have: to burn till the aberration that the fineness degree of the inhomogeneous aberration that causes, the powder of the unbalanced aberration that causes, cloth glaze causes.
Burn till reason: the enamel firing electric furnace that the present invention uses is the firing electric furnace of Ferro company import, the whole stove inner control temperature difference is in ± 5 ℃, section temperature difference is in ± 5 ℃ in the stove, and stable burning till in the environment, enameling sheet can be because of the furnace temperature instability, burn till the unbalanced aberration that causes.
Cloth glaze uniformity coefficient reason: the cloth glaze mode that static wet method two of the present invention is coated with a firing technique is, in specific electrostatic spraying environment, the porcelain glaze powder of ultra-fine mill is passed through high pressure static electricity, when spraying, automatic spray gun become atomizing state to be adsorbed on the blank naturally, wet-milling can not flow on blank, it is fine and close, even that powdered frit distributes, and also do not have unnecessary powdered frit and pile up on blank.Therefore, also solved up hill and dale because of the inhomogeneous aberration that causes of cloth glaze because of the application of static Wet technique.
The fineness degree reason of powdered frit: static wet-milling of the present invention is a super fine powder, becomes atomizing state during ejection, and the hiding rare of static wet-milling is fairly good, has avoided because of the thick aberration that produces of the granularity of powdered frit.
The enamelled enamel coating is thin more, and elasticity is good more, and impact resistance is strong more; On the contrary, enamel coating is thick more, and elasticity is poor more, and the impact resistance of enamel coating is poor more, advances to split porcelain easily more.The of the present invention two enameling sheet finished product porcelain thicknesses that are coated with a firing technique production are 100 μ m to 200 μ m.
The present invention has avoided porcelain facing flaws such as tangerine peel wrinkle.The porcelain thickness of enameling sheet is 100 μ m to 200 μ m, the powdered frit of ultra-fine mill, make the enameling sheet porcelain facing exquisiteness after burning till, avoided the blocked up accumulation of wet processing powdered frit influenced by the thermal expansion coefficient difference of powdered frit and steel plate, surface quality problems such as the tangerine peel that causes wrinkle and porcelain thickness inequality, porcelain facing are coarse.
Color of the present invention enriches changeablely from bright-coloured to elegance, can choose at random according to showing different design motif styles, can also print all kinds of literal and pattern and get on.And the glossiness of color and vividness all can guarantee sustained, and the porcelain facing that it is fine and smooth can produce the beautiful texture of distinctive porcelain and can be equipped with optional color.
Enameling sheet of the present invention can be done any specification: enameling sheet can manufacture arbitrary shape according to actual needs, as flat board, inner corner trim plate, external corner plate, radian plate or the like, its specification maximum can reach 2.4mx1.2m, not only easy construction also can reduce the material consumption to greatest extent.
Safe in utilization: at present high level or high-rise building focus mostly in commercial affairs, commercial bustling block, the crystal differentiation of the frangible and stone curtain wall of the intensive and glass curtain wall of building external personnel and coming off of causing brings potential safety hazard.Enameling sheet adopts the flexibility design, and to adapt to the displacement of buildings, slight vibrations can not influence its structural strength, even meet bigger vibrations, it only can produce distortion, can not rupture, and has greatly reduced the possibility of unexpected generation.
Environmental protection: each link from the selection of enameling sheet to production technique, even having, little or nothing hinders may all in time being found, handle of environment.As: optical radiation, can make light, inferior light or half inferior light product as required.Simultaneously, also controlled in whole production process, realize pollution-freeization production.
Good visual effect: enameling sheet has the beautiful texture of special porcelain, can give luxurious, atmospheric visual effect, has higher artistic grade, is the best ornaments of heavy construction.
Nontoxic: what enameling sheet enamel used is inorganic materials, and non-volatile toxic gas does not contain hazardous substances such as antimony, cadmium, lead, safety and environmental protection.
Antidetonation: enameling sheet is connected with grid system, adopts flexible design, and the fire-retardant rubber of cushioning vibrationproof is with anti-vibration effectively.
Noise reduction: enameling sheet peripheral protective dried hanging hang structure, adopt unenclosed construction, decorate with the cover plate bar between plate and the plate, and, help the infiltration of gas without the gap-filling glue sealing; The cavity of 100mm to 300mm is arranged between the peripheral protective decorative cover of enameling sheet and the body of wall, and sound wave resonates in cavity, acoustic energy is changed into other forms of energy such as heat energy, lowers acoustic pressure; The enameling sheet back side is lined with the ceramic fibre plate, and fiberboard has the good sound absorption effect to 80Hz to 300Hz noise.
Enameling sheet of the present invention can be widely used in fields such as artistic mural painting, family expenses enamel product, industry, building trade, is adapted at the interior wall in subway station, tunnel, underground pedestrian walk, hall etc. and exterior wall as finishing material.Compared with prior art, enameling sheet of the present invention is that the employing quality steel plate is a base material, through the processing of static dry process, burns till through high temperature with ceramic, making the matrix material that produces tight chemical bond between the two and form, is the perfect adaptation body of metal and inorganic materials.The snappiness of its existing substrate of steel plate, have again the superpower acid and alkali-resistance of inorganic enamel layer, durable, do not fire, characteristics such as safety, environmental protection.Through U.S. N.B.S lab investigation, enameling sheet acid-alkali-corrosive-resisting of the present invention, weather resistance is strong.Acidproof: as to reach the AA level, be the peak demand of QB/T1855 standard.Alkaline-resisting: loss of gloss not is the peak demand of QB/T1855 standard.Wear-resisting: Mohs' hardness 〉=6, be the hardest person of all coating for metal surfaces, anti-delineation performance is good.Shock-resistant: static dry process enameling substrate of steel plate, impact resistance reach QB/T1855 premium grads standard.The heatproof sudden turn of events: tolerate 〉=100 ℃ of temperature difference; Sudden turn of events fire prevention: reach GB8624 uninflammability A level, it is more firm to adopt grid system to install; Safety and environmental protection: radiationless, no toxic gas distributes in the hot environment.Enameling sheet anti-electrostatic of the present invention is easy to clean, and the porcelain facing exquisiteness, is difficult for dust stratification at antivibration, resistance to compression, anti-noise, long service life, and conventional atmospheric environment did not need repairing in following 50 years.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (9)
1. the production technique of an enameling sheet is characterized in that: may further comprise the steps:
Step 1, pending substrate of steel plate cut make required shape;
Step 2, the substrate of steel plate that is shaped is removed pollution substance through chemical treatment, eliminate rust simultaneously;
Step 3, on substrate of steel plate, spray ground-coat enamel;
Step 4, will spray ground-coat enamel substrate of steel plate under 100 ℃ to 250 ℃ with the ground-coat enamel oven dry, form the biscuiting state;
Step 5, again substrate of steel plate is preheated to 400 ℃, puts into enamel firing electric furnace internal heating to 800 ℃, base enamel and substrate of steel plate top layer is fused;
Step 6, on substrate of steel plate, spray one deck cover-coat enamel by required color;
Step 7, substrate of steel plate is dried cover-coat enamel under 100 ℃ to 250 ℃;
Each coating of step 8, described substrate of steel plate is fired in 800 ℃ of pyritous enamel firing electric furnaces;
Step 9, be stained with bottom surface of different nature liner plate at the back side of substrate of steel plate.
2. the production technique of a kind of enameling sheet according to claim 1 is characterized in that: repeat described step 6 to step 8, the two-layer at least cover-coat enamel of spraying on substrate of steel plate.
3. the production technique of a kind of enameling sheet according to claim 1 and 2 is characterized in that: the substrate of steel plate in the described step 1 is described through computer earlier, cuts into required shape by radium-shine cutting machine according to the digital data of the schema of computer input then.
4. the production technique of a kind of enameling sheet according to claim 3 is characterized in that: the substrate of steel plate that is cut in the described step 1 makes through bending press as face angle, side angle or the surface characteristic of rolling up arc.
5. the production technique of a kind of enameling sheet according to claim 4, it is characterized in that: described substrate of steel plate carries out the cloth glaze in the electrostatic spraying environment, and porcelain glaze powder is by high pressure static electricity, and the one-tenth atomizing state is adsorbed on the blank naturally when automatic spray gun spray.
6. the production technique of a kind of enameling sheet according to claim 5, it is characterized in that: the porcelain thickness after described enameling sheet base material burns till is 100 μ m to 200 μ m.
7. the production technique of a kind of enameling sheet according to claim 6 is characterized in that: described enamel firing electric furnace controls when burning till that the temperature difference is in ± 5 ℃ in the whole stove, and section temperature difference is in ± 5 ℃ in the stove.
8. the production technique of a kind of enameling sheet according to claim 7, it is characterized in that: in the described step 9, the bottom surface liner plate at the substrate of steel plate back side is the ceramic fibre plate, and its roughness control is in 4% scope.
9. the production technique of a kind of enameling sheet according to claim 8 is characterized in that: the enameling sheet of making in the described step 9 is cased through washing clean back.
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| CN 201010621039 CN102051617A (en) | 2010-12-24 | 2010-12-24 | Production process of enamel steel plate |
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| CN 201010621039 CN102051617A (en) | 2010-12-24 | 2010-12-24 | Production process of enamel steel plate |
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Cited By (17)
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| CN102392246A (en) * | 2011-11-30 | 2012-03-28 | 东莞市泉硕五金加工有限公司 | Metal surface treatment process |
| CN102634798A (en) * | 2012-05-10 | 2012-08-15 | 天津市福荣工业制品有限公司 | Dry-type enameling method for cast iron enameling stove |
| CN102634797A (en) * | 2012-05-10 | 2012-08-15 | 天津市福荣工业制品有限公司 | Wet type enameling method for cast iron enameling stove |
| CN103363768A (en) * | 2013-08-06 | 2013-10-23 | 合肥美的电冰箱有限公司 | Refrigerator face board and manufacturing method thereof and refrigerator with same |
| CN104487640A (en) * | 2012-06-21 | 2015-04-01 | 波利视觉股份有限公司 | Method for constructing enamelled storage tanks and silos |
| CN105235356A (en) * | 2015-08-24 | 2016-01-13 | 杭州方泰搪瓷制品有限公司 | Method for laminating enameled steel plates and back linings |
| CN105256936A (en) * | 2014-07-15 | 2016-01-20 | 廖树汉 | Composite board made of enamelled boards and fruit-shell boards, and with characteristics of being resistant to insects and ants, preserving heat, being sound-proof and resistant to high temperature of 1000 degrees |
| CN105256313A (en) * | 2015-09-25 | 2016-01-20 | 河南和福来金属有限公司 | Enamelling sheet steel fireplace and manufacturing method thereof |
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| CN105275133A (en) * | 2014-07-16 | 2016-01-27 | 廖树汉 | Enamelled plate composite rice husk plate being not eaten by insect ants, having heat preservation and sound insulation and being non-combustible at temperature of thousand DEG C |
| CN105695994A (en) * | 2016-03-01 | 2016-06-22 | 吴申龙 | Nano-ceramic technology for inner wall of stainless steel |
| CN108085681A (en) * | 2017-12-05 | 2018-05-29 | 厦门欧圣斯科技有限公司 | The production technology of enamel shower bath |
| CN108636731A (en) * | 2018-05-14 | 2018-10-12 | 杭州方泰搪瓷制品有限公司 | A kind of preparation method of minute surface enamel decoration board |
| CN110253219A (en) * | 2019-06-06 | 2019-09-20 | 浙江开尔新材料股份有限公司 | The method for preparing the enamel arc plate of radius r > 3000mm |
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|---|---|---|---|---|
| CN102392246A (en) * | 2011-11-30 | 2012-03-28 | 东莞市泉硕五金加工有限公司 | Metal surface treatment process |
| CN102634798A (en) * | 2012-05-10 | 2012-08-15 | 天津市福荣工业制品有限公司 | Dry-type enameling method for cast iron enameling stove |
| CN102634797A (en) * | 2012-05-10 | 2012-08-15 | 天津市福荣工业制品有限公司 | Wet type enameling method for cast iron enameling stove |
| CN102634798B (en) * | 2012-05-10 | 2014-05-07 | 天津市福荣工业制品有限公司 | Dry-type enameling method for cast iron enameling stove |
| CN102634797B (en) * | 2012-05-10 | 2014-05-07 | 天津市福荣工业制品有限公司 | Wet type enameling method for cast iron enameling stove |
| CN104487640A (en) * | 2012-06-21 | 2015-04-01 | 波利视觉股份有限公司 | Method for constructing enamelled storage tanks and silos |
| CN103363768A (en) * | 2013-08-06 | 2013-10-23 | 合肥美的电冰箱有限公司 | Refrigerator face board and manufacturing method thereof and refrigerator with same |
| CN105275134A (en) * | 2014-07-14 | 2016-01-27 | 廖树汉 | Enamelled plate composite stalk plate being not eaten by insect ants, having heat preservation and sound insulation and being non-combustible at temperature of thousand DEG C |
| CN105256936A (en) * | 2014-07-15 | 2016-01-20 | 廖树汉 | Composite board made of enamelled boards and fruit-shell boards, and with characteristics of being resistant to insects and ants, preserving heat, being sound-proof and resistant to high temperature of 1000 degrees |
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| CN105235356A (en) * | 2015-08-24 | 2016-01-13 | 杭州方泰搪瓷制品有限公司 | Method for laminating enameled steel plates and back linings |
| CN105256313A (en) * | 2015-09-25 | 2016-01-20 | 河南和福来金属有限公司 | Enamelling sheet steel fireplace and manufacturing method thereof |
| CN105256313B (en) * | 2015-09-25 | 2017-12-15 | 河南和福来金属有限公司 | Enamelling sheet steel fireplace and preparation method thereof |
| CN105695994A (en) * | 2016-03-01 | 2016-06-22 | 吴申龙 | Nano-ceramic technology for inner wall of stainless steel |
| CN108085681A (en) * | 2017-12-05 | 2018-05-29 | 厦门欧圣斯科技有限公司 | The production technology of enamel shower bath |
| CN108636731A (en) * | 2018-05-14 | 2018-10-12 | 杭州方泰搪瓷制品有限公司 | A kind of preparation method of minute surface enamel decoration board |
| CN110791760A (en) * | 2018-08-02 | 2020-02-14 | 江苏新丽源南亚新材料有限公司 | Processing technology of enameled steel plate |
| CN110253219A (en) * | 2019-06-06 | 2019-09-20 | 浙江开尔新材料股份有限公司 | The method for preparing the enamel arc plate of radius r > 3000mm |
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Application publication date: 20110511 |