CN101265075A - Technique for producing heat-resistance ceramic non-sticking container - Google Patents
Technique for producing heat-resistance ceramic non-sticking container Download PDFInfo
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- CN101265075A CN101265075A CNA200810027121XA CN200810027121A CN101265075A CN 101265075 A CN101265075 A CN 101265075A CN A200810027121X A CNA200810027121X A CN A200810027121XA CN 200810027121 A CN200810027121 A CN 200810027121A CN 101265075 A CN101265075 A CN 101265075A
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Abstract
The invention discloses a process for producing heat-resistant ceramic non-stick containers. The process comprises the following steps: ceramic paste preparation, molding, trimming, local glazing, burning, coarsening, purification, dehumidification, spray-coating, drying, sintering and rapid cold treatment. The produced heat-resistant ceramic container with non-stick coating can be used for food cooking in a microwave oven or over an open fire. The food is not stuck to the container, so that the container is easy to clean. Additionally, the container has the advantages of good bonding property of non-stick coating, high hardness, good wearability, high qualified rate and good durability.
Description
Technical field
The present invention relates to a kind of production technique of heat-resistance ceramic non-sticking container.
Background technology
Boiling the boiled dinner thing with marmite, pot one class earthenware porcelain receptacle of making pottery is one of China's cooking methods, historical of long standing and well established.Though occurred the various metal productss of dazzling decoration novelty so far on the market, but because of stupalith wear-resisting, stable chemical performance can not sneaked into nutritive value and mouthfeel that oxious component influences food, so ceramic thermally resistant container still is subjected to people's favor.
In recent years, in order to solve the problem of food sticking pot when cooking, the non-stick container of ceramic-like had also begun development and had produced, but the at high temperature easy explosion of common ceramic non-stick container can not be used on the naked light stove and accessory.
Therefore, in life, just need a kind of both had not viscosity energy and the heat-stable ceramic container that can on the naked light stove and accessory, use.If produce ceramic non-stick container on the heat-stable ceramic but use conventional spraying method directly non-viscous paint to be coated in, because the bounding force extreme difference of slick porcelain facing and non-viscous paint, non-sticky metallic coating not only very easily comes off, and the non-viscous paint of process sintering processes is not easy to infiltrate in the food in use, is unfavorable for healthy.On the other hand, because heat-stable ceramic is different with chemical composition, mineral composition and the physicals of conventional ceramic, the technical issues that need to address are also inequality in process of production, and also different aspect the construction of non-viscous paint and non-sticky metallic coating deepfreeze, use the production technique of conventional ceramic non-stick container can not produce qualified heat-resistance ceramic non-sticking container.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide that a kind of production technique is easy, high temperature resistant, Heat stability is good and have good not viscosity can the production technique of heat-resistance ceramic non-sticking container.
The production technique of heat-resistance ceramic non-sticking container of the present invention comprises following processing step:
(1), pug preparation: add trichroite or triphane and mixing in the conventional ceramic pug, add-on is 20～40% of a pug gross weight, makes the heat-stable ceramic pug;
(2), moulding: the heat-stable ceramic pug is made the soil property base substrate;
(3), trimming: the soil property base substrate is rebuild;
(4), local glazing: glazing is carried out at the position that the soil property base substrate after the trimming does not need to spray non-viscous paint;
(5), burn till: the soil property base substrate after the local glazing is burnt till, and firing temperature is 1220～1280 ℃, and firing time is 7～10 hours;
(6), alligatoring and purification: mechanical sandblast alligatoring is carried out at the position to the spraying of the product needed after burning till non-viscous paint, and carries out udst separation with the net air of pressurization;
(7), dehumidifying: product is put into process furnace carry out dehumidification treatments, the dehumidifying temperature is 80～120 ℃, and the dehumidifying time is 10～20 minutes;
(8), spraying: the position that non-viscous paint evenly is sprayed on the product needed spraying;
(9), oven dry: the product that will spray non-viscous paint is put into process furnace dries, and bake out temperature is 80～120 ℃, and drying time is 10～20 minutes;
(10), sintering: will dry good product and carry out sintering, sintering temperature is 380～440 ℃, and sintering time is 30～50 minutes;
(11), chilling is handled: when sintered products is come out of the stove, product is directly immersed in the tap water, make non-sticky metallic coating obtain chilling and handle, make finished product.
Moulding of the present invention is by drain casting, slip casing by pressure, hydrostatic profile or roll forming ceramic batch to be made the soil property base substrate.
Trimming of the present invention is to add by mechanical deburring that manual repaired biscuit, wash water combine the soil property base substrate is rebuild.
Of the present invention burning till is to carry out in reduction firing atmosphere or the total oxygen firing atmosphere behind initial oxidation.
Non-viscous paint of the present invention is " Teflon ".
The present invention has the following advantages:
1, in the pug preparation, adds trichroite or triphane, add-on is controlled at 20～40% of pug gross weight, both kept the plasticity-of pug in production process, and the bonding force of ceramic material and non-viscous paint is best in this scope, make product after burning till, have resistance toheat again, its heat-resisting degree can reach more than 300 ℃, and product can be used on direct-fired heater, and product is stood not explosion of suddenly cold and hot.
2, burn till in because firing temperature can reach 1220～1280 ℃, make product porcelain degree height, hardness improves, the rate that draws water improves the durability of product less than 1.5%, can make the non-viscous paint mortise again, non-sticky metallic coating does not come off in the life-time service.Can also adopt reductive firing atmosphere behind the initial oxidation in the burning till of this technology, to improve the whiteness of product surface, increase the aesthetic measure of product, decorating for product appearance again provides favourable condition.
3, because heat-stable ceramic easily adsorbs aqueous vapor, the present invention is before product spraying non-viscous paint, product is carried out dehumidification treatments, can improve the bonding force of non-sticky metallic coating, and avoid non-viscous paint when sintering, to emerge and cause coatingsurface to produce minute aperture, improve the slickness and the wearing quality of product non-sticky metallic coating because of the remaining aqueous vapor of product hole.
4, behind the non-viscous paint sintering, directly immerse the kiln discharge product in the tap water, be equivalent to product directly enters 10～30 ℃ from about 300 ℃ the cold environment, make the chilling contraction simultaneously of product and non-sticky metallic coating, strengthened the density of non-sticky metallic coating, improve non-sticky metallic coating hardness, also make product in use from now on, stand the suddenly cold and hot environment, embody good thermostability.
Realize the present invention can producing heat-stable ceramic container, both can in microwave oven, use with non-sticky metallic coating, also can be on naked light cooking foodstuffs, and food can not glue pot, scrubs conveniently, and the non-sticky metallic coating bonding force of product is good, hardness height, wear-resisting, product percent of pass height, long service life.
Embodiment
The present invention will be described in detail by the following examples.
Add trichroite and mixing in the conventional ceramic pug, add-on is 30% of a pug gross weight, makes the heat-stable ceramic pug; Adopt method for rolling and molding to make soil property pot shape base substrate; Soil property pot shape base substrate is added by mechanical deburring that manual repaired biscuit, wash water combine to be rebuild; And the outside surface of soil property pot shape base substrate carried out local glazing; Place fuel gas tunnel kiln to burn till the base substrate after the local glazing, firing temperature is 1250 ℃, and firing time is 9 hours, reducing atmosphere behind the employing initial oxidation when burning till; With mechanical sandblast machine product cavity is carried out the sandblast alligatoring, and with air gun to the product surface dedusting, then product is put into stoving oven and dehumidifies, 100 ℃ of temperature, 15 minutes dehumidifying time; Then non-viscous paint " Teflon " evenly is sprayed on the internal surface that burns till product; The product that spraying is good places stoving oven to dry, 100 ℃ of temperature, and drying time is 15 minutes; Place fuel gas tunnel kiln to carry out sintering the drying product, sintering temperature is 420 ℃, and sintering time is 30 minutes; The product of kiln discharge behind the sintering directly immersed carry out chilling in the tap water and handle, make the heat-stable ceramic pot that internal surface has non-sticky metallic coating.
The heat-resistance ceramic non-sticking pot of above-mentioned production is delivered to the mass metrology supervision of Chaozhou, Guangdong Province detect institute, test with reference to Q/CJF1-2007 " the not sticking vessel of domestic ceramics " standard and QB/T2579-2002 " conventional ceramic cooking device " standard, assay sees Table 1.
Table 1. heat-resistance ceramic non-sticking pot assay
The assay explanation of table 1 has reached the relevant criterion requirement according to the heat-resistance ceramic non-sticking pot of technology manufacturing of the present invention, and pot physique amount, non-sticky metallic coating quality and health demand totally 15 indexs all meet the requirements.
Claims (5)
1, a kind of production technique of heat-resistance ceramic non-sticking container is characterized in that, it comprises following processing step:
(1), pug preparation: add trichroite or triphane and mixing in the conventional ceramic pug, add-on is 20～40% of a pug gross weight, makes the heat-stable ceramic pug;
(2), moulding: the heat-stable ceramic pug is made the soil property base substrate;
(3), trimming: the soil property base substrate is rebuild;
(4), local glazing: glazing is carried out at the position that the soil property base substrate after the trimming does not need to spray non-viscous paint;
(5), burn till: the soil property base substrate after the local glazing is burnt till, and firing temperature is 1220～1280 ℃, and firing time is 7～10 hours;
(6), alligatoring and purification: mechanical sandblast alligatoring is carried out at the position to the spraying of the product needed after burning till non-viscous paint, and carries out udst separation with the net air of pressurization;
(7), dehumidifying: product is put into process furnace carry out dehumidification treatments, the dehumidifying temperature is 80～120 ℃, and the dehumidifying time is 10～20 minutes;
(8), spraying: the position that non-viscous paint evenly is sprayed on the product needed spraying;
(9), oven dry: the product that will spray non-viscous paint is put into process furnace dries, and bake out temperature is 80～120 ℃, and drying time is 10～20 minutes;
(10), sintering: will dry good product and carry out sintering, sintering temperature is 380～440 ℃, and sintering time is 30～50 minutes;
(11), chilling is handled: when sintered products is come out of the stove, product is directly immersed in the tap water, make non-sticky metallic coating obtain chilling and handle, make finished product.
2, the production technique of heat-resistance ceramic non-sticking container according to claim 1 is characterized in that moulding described in the step (2), is by drain casting, slip casing by pressure, hydrostatic profile or roll forming ceramic batch to be made the soil property base substrate.
3, the production technique of heat-resistance ceramic non-sticking container according to claim 1 is characterized in that described in the step (3) trimming, is to add by mechanical deburring that manual repaired biscuit, wash water combine the soil property base substrate is rebuild.
4, the production technique of heat-resistance ceramic non-sticking container according to claim 1 is characterized in that burning till described in the step (5), is to carry out in reduction firing atmosphere or the total oxygen firing atmosphere behind initial oxidation.
5, the production technique of heat-resistance ceramic non-sticking container according to claim 1 is characterized in that described non-viscous paint is " Teflon ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810027121A CN100584793C (en) | 2008-03-24 | 2008-03-24 | Technique for producing heat-resistance ceramic non-sticking container |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810027121A CN100584793C (en) | 2008-03-24 | 2008-03-24 | Technique for producing heat-resistance ceramic non-sticking container |
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| Publication Number | Publication Date |
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| CN101265075A true CN101265075A (en) | 2008-09-17 |
| CN100584793C CN100584793C (en) | 2010-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810027121A Expired - Fee Related CN100584793C (en) | 2008-03-24 | 2008-03-24 | Technique for producing heat-resistance ceramic non-sticking container |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515710A (en) * | 2011-11-28 | 2012-06-27 | 白银陇烨陶瓷有限公司 | Method for preparing large-capacity daily ceramic product with pipeline pressure grouting method |
| CN105433813A (en) * | 2015-11-09 | 2016-03-30 | 广东天际电器股份有限公司 | Ceramic pot and processing process of ceramic pot |
| CN105686619A (en) * | 2016-01-25 | 2016-06-22 | 深圳市玉瓷科技有限公司 | Production process for health-maintaining ceramic pot |
| CN105732016A (en) * | 2016-01-19 | 2016-07-06 | 潮州市威成瓷艺有限公司 | Heat-resistant ceramic pot and preparation method thereof |
-
2008
- 2008-03-24 CN CN200810027121A patent/CN100584793C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515710A (en) * | 2011-11-28 | 2012-06-27 | 白银陇烨陶瓷有限公司 | Method for preparing large-capacity daily ceramic product with pipeline pressure grouting method |
| CN102515710B (en) * | 2011-11-28 | 2013-08-28 | 白银陇烨陶瓷有限公司 | Method for preparing large-capacity daily ceramic product with pipeline pressure grouting method |
| CN105433813A (en) * | 2015-11-09 | 2016-03-30 | 广东天际电器股份有限公司 | Ceramic pot and processing process of ceramic pot |
| CN105732016A (en) * | 2016-01-19 | 2016-07-06 | 潮州市威成瓷艺有限公司 | Heat-resistant ceramic pot and preparation method thereof |
| CN105686619A (en) * | 2016-01-25 | 2016-06-22 | 深圳市玉瓷科技有限公司 | Production process for health-maintaining ceramic pot |
| CN105686619B (en) * | 2016-01-25 | 2018-10-26 | 深圳市玉瓷科技有限公司 | Health ceramic cooker production technology |
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| Publication number | Publication date |
|---|---|
| CN100584793C (en) | 2010-01-27 |
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