CN110316968A - It is a kind of to burn polymorphic multicolour crystalline glaze and its preparation method and application fastly - Google Patents

It is a kind of to burn polymorphic multicolour crystalline glaze and its preparation method and application fastly Download PDF

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CN110316968A
CN110316968A CN201910743849.0A CN201910743849A CN110316968A CN 110316968 A CN110316968 A CN 110316968A CN 201910743849 A CN201910743849 A CN 201910743849A CN 110316968 A CN110316968 A CN 110316968A
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glaze
polymorphic
multicolour
crystalline glaze
crystalline
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CN110316968B (en
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汪建
张涛
马岚
鲍志蕾
汪瑶
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Jiangxi Ceramic And Art Institute
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
    • C03C8/20Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5022Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/85Coating or impregnation with inorganic materials
    • C04B41/86Glazes; Cold glazes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The invention belongs to ceramic glaze preparation technical fields, it is specially a kind of to burn polymorphic multicolour crystalline glaze and preparation method thereof fastly, a kind of preparation method for burning polymorphic multicolour crystalline glaze ceramic product fastly, burn polymorphic multicolour crystalline glaze ceramic product and its high temperature method for cooking fastly more particularly to a kind of fast burning polymorphic multicolour crystalline glaze and its preparation method and application.The crystalline glaze passes through calcining precipitated calcium carbonate (calcium), it calcines light magnesium carbonate (magnesium), calcining zinc oxide (zinc), calcined oxide titanium (titanium), kaolin (silicon), quartzy (silicon), feldspar (potassium, sodium) seven kinds of metal system cooperations, glaze slip is set to be in hypersaturated state, improve the crystallization rate of crystalline glaze, expand crystal region, avoid easy sagging, (the yin jaundice and fumigation occur) problem of smoking, make crystalline glaze that can normally be warming up to sintering temperature under the premise of not influencing its performance, room temperature is quickly down to after sintering, shorten manufacturing cycle, energy-saving and environment-friendly effect is reached.

Description

It is a kind of to burn polymorphic multicolour crystalline glaze and its preparation method and application fastly
Technical field
The invention belongs to ceramic glaze preparation technical fields, and in particular to it is a kind of fast burn polymorphic multicolour crystalline glaze and its Fast burning polymorphic multicolour crystalline glaze of preparation method and application, specially one kind and preparation method thereof, a kind of fast burning polymorphic are more The preparation method of color crystalline glaze ceramic product, fast burning polymorphic multicolour crystalline glaze ceramic product and its high temperature method for cooking.
Background technique
Crystalline glaze be product after glaze melts at high temperature in sintering process its crystalline material it is in a saturated state, work as cooling After generate crystallization, so that the crystalline solid of beautiful decorative pattern be precipitated.China has just burnt out " iron rust flower ", " tealeaves early in two Song's periods The rare crystalline glaze such as end ", " oil droplet temmoku ", people also have developed " zinc silicate crystalline glaze ", " calcium silicates crystalline glaze " and " gold in recent years Red stone crystalline glaze " etc., crystalline glaze are spent bright and colourful, beautiful grace with its crystalline form transformation nature, crystalline substance, are liked by people, so And the production crystallization condition of these crystalline glazes is stringent, complex operation, enamel influence factor is more.
Chinese patent literature CN109279780A discloses a kind of ceramic glaze and preparation method thereof of resistance to alkali corrosion, Including boron frit, silica flour, spodumene, calcining zinc oxide, calcinated talc powder, kaolin, zirconium silicate and toner, preparation method Including carrying out ball milling, sieving to each component, then plus water and electrolyte adjust the concentration and thixotropy of glaze slip respectively, then by glaze Base is immersed in glaze slip, and glazed body is entered roller kiln burning at ceramic glaze, the patent also needs that electricity is added when preparing glaze slip after drying Xie Zhi, but electrolyte easily leads to ceramic and stomata occurs, is used cooperatively if being added without electrolyte, will affect the touching of glaze slip Denaturation.In addition, in the prior art, the also generally existing glaze slip poor fluidity of the preparation process of crystalline glaze, to sintering atmosphere require compared with To be stringent, during the sintering process glaze layer easily occur yin jaundice and sootiness, crystalline glaze thermal stability it is poor the problems such as.
Summary of the invention
Therefore, it the technical problem to be solved in the present invention is that overcoming glaze slip thixotropy and poor fluidity in the prior art, burns Glaze layer after knot occur yin jaundice and fumigation, crystalline glaze thermal stability it is poor the defects of, a kind of fast burn polymorphic to provide Multicolour crystalline glaze and its preparation method and application.
For this purpose, the present invention provides following technical schemes.
Burn polymorphic multicolour crystalline glaze the present invention provides a kind of fast, raw material proportioning based on parts by weight, including such as Lower raw material: 0.5-1.5 parts of colorant, 5-10 parts of calcined oxide titanium, calcines precipitated calcium carbonate 10-20 at 15-20 parts of calcining zinc oxide 6-8 parts of part, light magnesium carbonate 10-20 parts of calcining, 20-30 parts of feldspar, 7-9 parts of kaolin and quartz.
The colorant is selected from least one of cobalt oxide, iron oxide, chromium oxide or manganese oxide.
The present invention also provides a kind of above-mentioned fast preparation methods for burning polymorphic multicolour crystalline glaze, comprising the following steps: After raw material is mixed according to the weight ratio plus water is ground, and then obtains finished product glaze slip after sieving, water tune.
The moisture content of the finished product glaze slip is 40-50wt%.
In addition, the present invention provides a kind of fast preparation methods for burning polymorphic multicolour crystalline glaze ceramic product, in green body On apply and burn polymorphic multicolour crystalline glaze, the thickness of glaze layer fastly made from above-mentioned fast burning polymorphic multicolour crystalline glaze or the above method Degree is 3-5mm, obtains burning polymorphic multicolour crystalline glaze ceramic product fastly after high temperature sintering, cooling.
Further, by being stained with glaze, pouring glaze or glazing by sufflation method applies the fast burning polymorphic multicolour crystalline glaze on green body.
The rate of the cooling is 6.5-8 DEG C/min.
The present invention also provides one kind to burn polymorphic multicolour crystalline glaze ceramic product fastly as made from above-mentioned preparation method, The crystalline glaze ceramic product can be applied to architectural pottery, domestic ceramics or the art pottery.
Further, the present invention provides a kind of above-mentioned fast high temperature firings for burning polymorphic multicolour crystalline glaze ceramic product Temperature is risen to from room temperature 295-320 DEG C of a certain temperature, heating-up time 3-4h at 0.01-0.015MPa by method;So It is warming up to 845-875 DEG C of a certain temperature, heating-up time 1-1.5h afterwards, the pressure of the process is 0.015-0.025MPa;So It is warming up to 1135-1155 DEG C of a certain temperature, heating-up time 2-2.5h afterwards, the pressure of the process is 0.025MPa;Finally rise The a certain temperature of temperature to 1250-1300 DEG C, heating-up time 1-1.5h, the pressure of the process are 0.025-0.030MPa;The burning Knot method is the sintering atmosphere of oxygen abundance.
The present invention also provides a kind of above-mentioned fast high temperature method for cooking for burning polymorphic multicolour crystalline glaze ceramic product, Under 0.01-0.015MPa, temperature is risen to from room temperature to 295-320 DEG C of a certain temperature, heating-up time 3-4h;It then heats to 845-875 DEG C of a certain temperature, heating-up time 1-1.5h, the pressure of the process are 0.015-0.025MPa;It then heats to 935-975 DEG C of a certain temperature, heating-up time 0.5-1.0h, the pressure of the process are 0.025MPa;Then heat to 1135- The pressure of 1155 DEG C of a certain temperature, heating-up time 1.0-1.5h, the process is 0.045-0.05MPa, is finally warming up to 1250-1300 DEG C of a certain temperature, heating-up time 1-1.5h, the pressure of the process are 0.03-0.045MPa;The sintering method For for the insufficient sintering atmosphere of oxygen.
Technical solution of the present invention has the advantages that
1. fast burning polymorphic multicolour crystalline glaze provided by the invention, the crystalline glaze by calcining precipitated calcium carbonate (calcium), Calcine light magnesium carbonate (magnesium), calcining zinc oxide (zinc), calcined oxide titanium (titanium), kaolin (aluminium), quartzy (silicon), feldspar (potassium, Sodium) seven kinds of metal system cooperations, so that glaze slip be in oversaturated state, improves the crystallization rate of crystalline glaze, expansion crystal region Domain, makes crystalline glaze under the premise of not influencing its performance at the problem of avoiding easy sagging, smoking (yin jaundice and fumigation occur) It is quickly down to room temperature after sintering temperature, sintering being normally warming up to, has reached energy-saving and environment-friendly effect;And the crystalline glaze Better heat stability;
The present invention can adjust the thixotropic characteristic of glaze slip using calcining zinc oxide, the calcined magnesia of specific proportion, simultaneously By adjusting each group distribution ratio, under the premise of not using electrolyte, the mobility of glaze slip is improved, glazed thickness is improved Accuracy avoids Products of Crystalline Glaze from stomata occur.
The crystalline glaze can be such that crystalline glaze presents a variety of by introducing the toners such as iron oxide, cobalt oxide, chromium oxide or manganese oxide Color.
2. the fast preparation method for burning polymorphic multicolour crystalline glaze ceramic product provided by the invention, this method includes will be former It is ground after material mixing, then obtains finished product glaze slip after sieving, water tune;On green body, using being stained with glaze, pour glaze or the side of glazing by sufflation Method glazing, green body after sintering, are quickly down to room temperature, obtain crystalline glaze, when the rate of 6.5-8 DEG C/min cools down, glaze melt exists Oversaturated magnesium silicate crystalline solid, zinc silicate crystalline solid, perovskite crystalline body and pyroxene have been formd under high temperature fused state Dotted, needle-shaped, stick can be quickly precipitated in the crystalline solid of the polymorphic types such as type crystalline solid, these crystal from glaze melt while cooling The crystalline solid of the variforms such as shape, sheet;In addition, coloring oxide is added in glaze slip, coloury glaze can also be obtained Face.
Crystalline glaze provided by the invention contain during the sintering process the calcium silicate crystals that can be quickly precipitated, perovskite crystal, Polymorphous crystal such as cordierite crystal and zinc silicate can make glaze layer variation abundant, while dotted, needle-shaped, column, piece is presented A variety of crystal forms such as shape crystallization.
In addition, the present invention, in high-temperature sintering process, calcining precipitated calcium carbonate, calcining light magnesium carbonate decompose and generate oxidation Calcium and magnesia are formed by a plurality of types of crystalline solid with zinc oxide, titanium oxide, silicon substance etc., sufficient or not in oxygen Magnesium silicate crystalline solid, zinc silicate crystalline solid, perovskite crystalline body and pyroxene type crystalline solid are formed under sufficient firing condition, are had The advantages that brilliant Hua Shizhong, crystal form are naturally beautiful, rich in color, sparkling and crystal-clear beautiful, firing stability is good, without taking heat preservation method, The production technology for porcelain carving either domestic ceramics tea set or tableware product is adapted to, technical economic benefit is good, and the present invention mentions The crystalline glaze of confession adapts to a variety of high-temperature electric resistance furnaces.
Specific embodiment
There is provided following embodiments is to preferably further understand the present invention, it is not limited to the best embodiment party Formula is not construed as limiting the contents of the present invention and protection scope, anyone under the inspiration of the present invention or by the present invention and its The feature of his prior art is combined and any and identical or similar product of the present invention for obtaining, all falls within of the invention Within protection scope.
Specific experiment step or condition person are not specified in embodiment, according to the literature in the art described routine experiment The operation of step or condition can carry out.Reagents or instruments used without specified manufacturer, being can be by commercially available acquisition Conventional reagent product.
Embodiment 1
A kind of fast burning polymorphic multicolour crystalline glaze is present embodiments provided, consisting of: 15 parts of calcining zinc oxide, calcining 10 parts of titanium oxide, calcining 15 parts of precipitated calcium carbonate, calcining 15 parts of light magnesium carbonate, 30 parts of feldspar, 8 parts of kaolin, quartz 7 parts and 1.5 parts of cobalt oxides;
The preparation of above-mentioned crystalline glaze and sintering method be,
Above-mentioned raw materials are uniformly mixed, are added in ball mill, then plus water carries out ball milling processing, then crosses 180 meshes, adds The water content that water adjusts glaze is 45%, obtains finished product glaze slip;
Green body is taken, glazing operation is carried out by the way of being stained with glaze, glazed thickness is controlled in 3-5mm, will at 0.01MPa Temperature rises to 300 DEG C from room temperature, heating-up time 3.5h;850 DEG C, heating-up time 1h are then heated to, the pressure of the process For 0.025MPa;1150 DEG C, heating-up time 2.3h are then heated to, the pressure of the process is 0.025MPa;Finally it is warming up to 1280 DEG C, heating-up time 1h, the pressure of the process is 0.030MPa;Then, it is down to often with the rate of temperature fall of 6.9 DEG C/min Temperature obtains crystalline glaze ceramic product.
Embodiment 2
A kind of fast burning polymorphic multicolour crystalline glaze is present embodiments provided, consisting of: 15 parts of calcining zinc oxide, calcining 10 parts of titanium oxide, calcining 15 parts of precipitated calcium carbonate, calcining 20 parts of light magnesium carbonate, 20 parts of feldspar, 8 parts of kaolin, quartz 7 parts, 0.8 part of iron oxide;
The preparation of above-mentioned crystalline glaze and sintering method be,
Above-mentioned raw materials are uniformly mixed, are added in ball mill, then plus water carries out ball milling processing, then crosses 180 meshes, adds The water content that water adjusts glaze is 45%, obtains finished product glaze slip;
Green body is taken, glazing operation is carried out by the way of glazing by sufflation, glazed thickness is controlled in 3-5mm, then in 0.015MPa Under, temperature is risen to 320 DEG C from room temperature, heating-up time 4h;845 DEG C, heating-up time 1.5h are then heated to, the process Pressure is 0.015MPa;1135 DEG C, heating-up time 2h are then heated to, the pressure of the process is 0.025MPa;Finally heat up To 1300 DEG C, heating-up time 1.5h, the pressure of the process is 0.025MPa;Then, it is down to the rate of temperature fall of 7.2 DEG C/min Room temperature obtains crystalline glaze ceramic product.
Embodiment 3
A kind of fast burning polymorphic multicolour crystalline glaze is present embodiments provided, consisting of: 20 parts of calcining zinc oxide, calcining 5 parts of titanium oxide, calcining 20 parts of precipitated calcium carbonate, calcining 10 parts of light magnesium carbonate, 25 parts of feldspar, 8 parts of kaolin, quartz 7 parts and 0.8 part of cobalt oxide and 0.2 part of iron oxide;
The preparation of above-mentioned crystalline glaze and sintering method be,
Above-mentioned raw materials are uniformly mixed, are added in ball mill, then plus water carries out ball milling processing, then crosses 180 meshes, adds The water content that water adjusts glaze is 45%, obtains finished product glaze slip;
Green body is taken, glazing operation is carried out by the way of being stained with glaze, glazed thickness is controlled in 3-5mm, will at 0.01MPa Temperature rises to 298 DEG C from room temperature, heating-up time 3h;875 DEG C, heating-up time 1.2h are then heated to, the pressure of the process For 0.02MPa;1155 DEG C, heating-up time 2.5h are then heated to, the pressure of the process is 0.025MPa;Finally it is warming up to 1250 DEG C, heating-up time 1h, the pressure of the process is 0.030MPa;Then, it is down to often with the rate of temperature fall of 6.9 DEG C/min Temperature obtains crystalline glaze ceramic product.
Embodiment 4
A kind of fast burning polymorphic multicolour crystalline glaze is present embodiments provided, consisting of: 20 parts of calcining zinc oxide, calcining 10 parts of titanium oxide, calcining 15 parts of precipitated calcium carbonate, calcining 15 parts of light magnesium carbonate, 25 parts of feldspar, 8 parts of kaolin, quartz 7 parts, 0.5 part of chromium oxide;
The preparation of above-mentioned crystalline glaze and sintering method be,
Above-mentioned raw materials are uniformly mixed, are added in ball mill, then plus water carries out ball milling processing, then crosses 180 meshes, adds The water content that water adjusts glaze is 40%, obtains finished product glaze slip;
Green body is taken, glazing operation is carried out by the way of being stained with glaze, glazed thickness is controlled in 3-5mm, then in 0.012MPa Under, temperature is risen to 300 DEG C from room temperature, heating-up time 3h;850 DEG C, heating-up time 1h are then heated to, the pressure of the process Power is 0.020MPa;950 DEG C, heating-up time 0.8h are then heated to, the pressure of the process is 0.025MPa;It then heats to 1150 DEG C, heating-up time 1.2h, the pressure of the process is 0.045MPa, is finally warming up to 1285 DEG C, heating-up time 1.5h, The pressure of the process is then 0.040MPa is down to room temperature with the rate of temperature fall of 6.6 DEG C/min, obtains crystalline glaze ceramic product.
Embodiment 5
A kind of fast burning polymorphic multicolour crystalline glaze is present embodiments provided, consisting of: 15 parts of calcining zinc oxide, calcining 10 parts of titanium oxide, calcining 10 parts of precipitated calcium carbonate, calcining 20 parts of light magnesium carbonate, 20 parts of feldspar, 8 parts of kaolin, quartz 7 parts, 1 part of cobalt oxide;
The preparation of above-mentioned crystalline glaze and sintering method be,
Above-mentioned raw materials are uniformly mixed, are added in ball mill, then plus water carries out ball milling processing, then crosses 180 meshes, adds The water content that water adjusts glaze is 50%, obtains finished product glaze slip;
Green body is taken, glazing operation is carried out by the way of being stained with glaze, glazed thickness is controlled in 3-5mm, then in 0.01MPa Under, temperature is risen to 295 DEG C from room temperature, heating-up time 3.5h;875 DEG C, heating-up time 1.5h are then heated to, the process Pressure be 0.025MPa;935 DEG C, heating-up time 0.5h are then heated to, the pressure of the process is 0.025MPa;Then it rises For temperature to 1135 DEG C, heating-up time 1.0h, the pressure of the process is 0.05MPa, is finally warming up to 1300 DEG C, and the heating-up time is 1h, the pressure of the process are then 0.03MPa is down to room temperature with the rate of temperature fall of 8 DEG C/min, obtains crystalline glaze ceramic product.
Embodiment 6
A kind of fast burning polymorphic multicolour crystalline glaze is present embodiments provided, consisting of: 18 parts of calcining zinc oxide, calcining 8 parts of titanium oxide, calcining 120 parts of precipitated calcium carbonate, calcining 10 parts of light magnesium carbonate, 30 parts of feldspar, 9 parts of kaolin, quartz 6 parts, 0.5 part of chromium oxide;
The preparation of above-mentioned crystalline glaze and sintering method be,
Above-mentioned raw materials are uniformly mixed, are added in ball mill, then plus water carries out ball milling processing, then crosses 180 meshes, adds The water content that water adjusts glaze is 45%, obtains finished product glaze slip;
Green body is taken, glazing operation is carried out by the way of being stained with glaze, glazed thickness is controlled in 3-5mm, then in 0.012MPa Under, temperature is risen to 320 DEG C from room temperature, heating-up time 4h;848 DEG C, heating-up time 1.2h are then heated to, the process Pressure is 0.020MPa;970 DEG C, heating-up time 0.8h are then heated to, the pressure of the process is 0.025MPa;Then it heats up To 1152 DEG C, heating-up time 1.2h, the pressure of the process is 0.045MPa, is finally warming up to 1255 DEG C, and the heating-up time is 1.5h, the pressure of the process are then 0.040MPa is down to room temperature with the rate of temperature fall of 7 DEG C/min, obtain the production of crystalline glaze ceramics Product.Comparative example 1
This comparative example provides a kind of crystalline glaze, consisting of: 10 parts of calcining zinc oxide, 10 parts of calcined oxide titanium, calcining 15 parts of precipitated calcium carbonate, 15 parts of light magnesium carbonate of calcining, 35 parts of feldspar, 10 parts of kaolin, quartzy 7 parts and 1.5 parts of cobalt oxides;
The preparation of above-mentioned crystalline glaze and sintering method be,
Above-mentioned raw materials are uniformly mixed, are added in ball mill, then plus water carries out ball milling processing, then crosses 180 meshes, adds The water content that water adjusts glaze is 45%, obtains finished product glaze slip;
Green body is taken, glazing operation is carried out by the way of being stained with glaze, glazed thickness is controlled in 3-5mm, will at 0.01MPa Temperature rises to 300 DEG C from room temperature, heating-up time 3.5h;850 DEG C, heating-up time 1h are then heated to, the pressure of the process For 0.025MPa;1150 DEG C, heating-up time 2.3h are then heated to, the pressure of the process is 0.025MPa;Finally it is warming up to 1280 DEG C, heating-up time 1h, the pressure of the process is 0.030MPa;Then, it is down to often with the rate of temperature fall of 6.9 DEG C/min Temperature obtains crystalline glaze ceramic product.
Test example
Performance test and as a result, the test side of the offer of this test example embodiment 1-6 and glaze slip and crystalline glaze in comparative example 1 Method is as follows, and test result is shown in Table 1;
Glaze slip fluidity testing method is shown in GB/T23460.1-2009;
The heat stability testing method of crystalline glaze: each example takes 10 qualified samples to be tested, puts it into sample basket It is interior, it is placed in ceramic qualitative determination instrument, starts instrument, then when temperature reaches measurement temperature, after keeping the temperature 15min, stir hand Handle makes sample basket hit the drink rapidly, after cooling 5min, takes out sample from water, after wiped clean, then checks whether out It splits, if do not cracked, puts it into instrument, be heated to next measurement temperature (temperature interval measured twice is 20 DEG C), Until repeating test to 10 samples all cracking, data are recorded, then calculate the cold temperature difference of heat being subjected to that is averaged of 10 samples (the cold temperature difference of heat is to measure the difference of temperature and room temperature), as thermal stability, the temperature difference is bigger, and thermal stability is better, wherein every survey Examination is primary, replaces a water, it is therefore an objective to remain unchanged water temperature.
The performance test results of crystalline glaze made from 1 embodiment 1-6 of table and comparative example 1
In table 1, the thermal stability of the good fluidity of the glaze slip in embodiment 1-6, crystalline glaze is good, and do not occur sagging, The phenomenon that smoking;Not in the present invention, the mobility of the glaze slip in comparative example 1 is relatively poor for the composition of crystalline glaze in comparative example 1, The thermal stability of crystalline glaze is also poor, and the problem of slight yin jaundice or sootiness occurs.
Preparation method provided by the invention does not have the problem of sagging, smoking, the thermal stability of the crystalline glaze of preparation and flowing Preferable, the energy conservation and environmental protection of property.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And thus amplify out it is obvious variation or It changes still within the protection scope of the invention.

Claims (10)

1. a kind of fast burn polymorphic multicolour crystalline glaze, which is characterized in that its raw material proportioning is based on parts by weight, including following former Material: 0.5-1.5 part of colorant, 15-20 parts of calcining zinc oxide, 5-10 parts of calcined oxide titanium, calcine precipitated calcium carbonate 10-20 parts, 6-8 parts of light magnesium carbonate 10-20 parts of calcining, 20-30 parts of feldspar, 7-9 parts of kaolin and quartz.
2. fast burning polymorphic multicolour crystalline glaze according to claim 1, which is characterized in that the colorant is selected from oxidation At least one of cobalt, iron oxide, chromium oxide or manganese oxide.
3. a kind of any one of claim 1-2 fast preparation method for burning polymorphic multicolour crystalline glaze, which is characterized in that packet Include following steps: after raw material is mixed according to the weight ratio plus water is ground, and then obtains finished product glaze slip after sieving, water tune.
4. preparation method according to claim 3, which is characterized in that the moisture content of the finished product glaze slip is 40-50wt%.
5. a kind of fast preparation method for burning polymorphic multicolour crystalline glaze ceramic product, which is characterized in that the Shi Quanli on green body It is required that burning polymorphic fastly made from any one of 1-2 fast burning polymorphic multicolour crystalline glaze or claim 3 or 4 the methods Multicolour crystalline glaze, glaze layer with a thickness of 3-5mm, obtain burning polymorphic multicolour crystallization glazed pottery after high temperature sintering, cooling fastly Porcelain products.
6. preparation method according to claim 5, which is characterized in that by being stained with glaze, pouring glaze or glazing by sufflation method is on green body Apply the fast burning polymorphic multicolour crystalline glaze.
7. preparation method according to claim 5, which is characterized in that the rate of the cooling is 6.5-8 DEG C/min.
8. one kind burns the production of polymorphic multicolour crystalline glaze ceramics fastly as made from any one of the claim 5-7 preparation method Product, which is characterized in that the crystalline glaze ceramic product can be applied to architectural pottery, domestic ceramics or the art pottery.
9. burning the high temperature method for cooking of polymorphic multicolour crystalline glaze ceramic product described in a kind of claim 8 fastly, feature exists In at 0.01-0.015MPa, temperature to be risen to from room temperature to 295-320 DEG C of a certain temperature, heating-up time 3-4h;Then It is warming up to 845-875 DEG C of a certain temperature, heating-up time 1-1.5h, the pressure of the process is 0.015-0.025MPa;Then It is warming up to 1135-1155 DEG C of a certain temperature, heating-up time 2-2.5h, the pressure of the process is 0.025MPa;Finally heat up To 1250-1300 DEG C of a certain temperature, heating-up time 1-1.5h, the pressure of the process is 0.025-0.030MPa.
10. burning the high temperature method for cooking of polymorphic multicolour crystalline glaze ceramic product described in a kind of claim 8 fastly, feature exists In at 0.01-0.015MPa, temperature to be risen to from room temperature to 295-320 DEG C of a certain temperature, heating-up time 3-4h;Then It is warming up to 845-875 DEG C of a certain temperature, heating-up time 1-1.5h, the pressure of the process is 0.015-0.025MPa;Then It is warming up to 935-975 DEG C of a certain temperature, heating-up time 0.5-1.0h, the pressure of the process is 0.025MPa;Then it heats up Pressure to 1135-1155 DEG C of a certain temperature, heating-up time 1.0-1.5h, the process is 0.045-0.05MPa, is finally risen The a certain temperature of temperature to 1250-1300 DEG C, heating-up time 1-1.5h, the pressure of the process are 0.03-0.045MPa.
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