CN108117373A - A kind of high stability in-glaze decoration household china and its production technology - Google Patents

A kind of high stability in-glaze decoration household china and its production technology Download PDF

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CN108117373A
CN108117373A CN201711432874.4A CN201711432874A CN108117373A CN 108117373 A CN108117373 A CN 108117373A CN 201711432874 A CN201711432874 A CN 201711432874A CN 108117373 A CN108117373 A CN 108117373A
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high stability
glaze
household china
glaze decoration
decoration household
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彭友才
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ANHUI PROVINCIAL HANSHAN MINSHENG PORCELAIN Co Ltd
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ANHUI PROVINCIAL HANSHAN MINSHENG PORCELAIN Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/32—Burning methods
    • C04B33/34—Burning methods combined with glazing
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/1305—Organic additives
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/36—Reinforced clay-wares
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
    • C04B2235/445—Fluoride containing anions, e.g. fluosilicate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/448—Sulphates or sulphites
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5276—Whiskers, spindles, needles or pins
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9646—Optical properties
    • C04B2235/9661—Colour

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  • Ceramic Engineering (AREA)
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  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Glass Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

The present invention proposes a kind of high stability in-glaze decoration household china and its production technology, which includes following percentage composition component：Barite 3 6%, fluorite 3 10%, magnesium borate crystal whisker 1 8%, β sepiolites 10 18%, sodium alginate 7 12%, clay surplus, the present invention effectively increases the comprehensive quality of porcelain, has excellent stability by rational raw material choice and process modification, household china whiteness obtained is more than 92%, water absorption rate is less than 2.1%, and heavy metal free dissolves out, safety and environmental protection, it is beautiful smooth, yield rate is more than 95%, fires shrinking percentage and reduces more than 10%, has a good application prospect.

Description

A kind of high stability in-glaze decoration household china and its production technology
Technical field
The present invention relates to porcelain preparing technical fields, and in particular to a kind of high stable in-glaze decoration household china and its production work Skill.
Background technology
Household china is a kind of porcelain used in daily life.Porcelain is one kind by porcelain stone, kaolin, quartz, Mo Lai The compositions such as stone, outer top application have the sundries of nature of glass glaze or colored drawing.The shaping of porcelain will be by passing through high-temperature firing, porcelain in kiln Because of the difference of temperature various chemical changes can occur for the glaze colours on surface.The porcelain tire of sintering generally contain only 3% less than Ferro element, and it is waterproof, because of its more cheap cost and wear-resisting fluid-tight characteristic, the common people widely all over the world are used Scenery with hills and waters likes porcelain, is the rarity of Chinese civilization displaying.
In-glaze decoration is a kind of new decoration of porcelain material and skill and technique that the seventies grow up, also known as high temperature rapid firing face Material.The flux component of pigment imposes on implements glaze paint by overglaze color method, passes through 1100~1260 DEG C of height without lead or few leaded Warm to burn soon, the melting of glaze paint software packageization makes pigment penetrate into glaze, glaze face closure after cooling, fine and smooth sparkling and crystal-clear, moist mesh all of a sudden, anti-corruption Erosion, wear-resistant, the effect with underglaze colour.
Instantly with the continuous improvement of living standards and the continuous development of technology, firing and glazing for porcelain There is a higher level requirement, but current tradition is fired and glaze still has that burn out rate is big, quality is unstable, aesthetics Therefore the problems such as difference, heavy metal dissolution, the very big application range for affecting porcelain, develop a kind of new porcelain and life Production. art is most important for market instantly.
The content of the invention
In view of the above problems, the present invention proposes a kind of high stability in-glaze decoration household china and its production technology, By rational raw material choice and process modification, the comprehensive quality of porcelain is effectively increased, there is excellent stability, it is obtained Household china whiteness is more than 92%, and water absorption rate is less than 2.1%, and heavy metal free dissolves out, safety and environmental protection, and beautiful smooth, yield rate is big In 95%, fire shrinking percentage and reduce more than 10%, have a good application prospect.
In order to realize above-mentioned purpose, the present invention uses following technical solution：
A kind of high stability in-glaze decoration household china, including following percentage composition component：Barite 3-6%, fluorite 3-10%, Magnesium borate crystal whisker 1-8%, β-sepiolite 10-18%, sodium alginate 7-12%, clay surplus.
Preferably, one or more combinations of the clay in kaolin, diatomite, montmorillonite, allophane, vermiculite Object.
Preferably, clay uses mass ratio 0.5-1：1-4：5 vermiculite, montmorillonite, kaolinic composition.
Preferably, high stability in-glaze decoration household china, production technology are as follows：
1) barite, fluorite, β-sepiolite are smashed it through 200 mesh sieves, sieve magnetic separation by feeding by mass percentage respectively It is blended afterwards with clay, continues ground 350-400 mesh sieves, base-material is obtained after sieving magnetic separation, it is spare；
2) sodium alginate is added in the polyvinyl alcohol water solution of 3.5wt%, stirring adds in boric acid thereto to after dissolving Magnesium whisker, supersound process or electromagnetic radiation, it is spare to obtain prefabricated solution；
3) water is added in into base-material, stands and places 6-8 days at 25-28 DEG C after stirring and evenly mixing, be then stirred for uniform Under flow regime, prefabricated solution is added thereto, continue stirring at least 5 it is small when, obtain porcelain material-mud；
4) porcelain material-mud is subjected to vacuum pugging, then by porcelain material-mud press-in die under the pressure of 22.5-26MPa In, green body is made；
5) green body is sent into dry kiln and is dried to water content as 12-15%, apply glaze base pigment to billet surface, so After continue to be dried to water content less than 3%；
6) green body after glazing is sent into and fired in kiln, 0.1-1h is first kept the temperature under the conditions of 680-850 DEG C, is then heated to 1-2h is fired under the conditions of 950-1000 DEG C, then 0.5h is fired under the conditions of being warming up to 1220-1260 DEG C, then is cooled to 1130-1150 DEG C continue to fire 2-4h, up to high stability in-glaze decoration household china after cooling.
Preferably, polyvinyl alcohol water solution and sodium alginate, the addition volume of magnesium borate crystal whisker sum of the two in step 1) Than for 2-3：1.
Preferably, be ultrasonically treated in step 1) is specially frequency 26.3-26.8KHz, time 5-40min；Electromagnetic radiation Specially high frequency radiation 20-25 μ W/cm2, time 5-20min.
Preferably, step 5) glaze base pigment includes SiO2, Al2O3, ZnO, CaO, MgO.
Preferably, silica alumina ratio is 1.1-1.85 in glaze base pigment.
Due to using above-mentioned technical solution, the beneficial effects of the invention are as follows：The present invention by rational raw material choice and Process modification effectively increases the comprehensive quality of porcelain, has excellent stability, and household china whiteness obtained is more than 92%, Water absorption rate is less than 2.1%, and heavy metal free dissolves out, safety and environmental protection, and beautiful smooth, yield rate is more than 95%, fires shrinking percentage and subtracts It is small by more than 10%, it has a good application prospect.
Based on clay, addition barite, fluorite collocation β-sepiolite while processing performance is improved, are effectively ensured The wearability that improved, obdurability, heat-resisting quantity and the stability of mechanical property, and improve the color light of porcelain Damp degree, whole rheological characteristic is strong, while reduces sintering temperature, under the 1220-1260 DEG C of highest temperature fire half an hour can cool down It is fired under the conditions of to 1130-1150 DEG C, not only reduces energy consumption, while reduce sintering damage rate, comprehensive effectiveness is apparent It improves.It is aided with binding agent and fibrous crystal palpus in raw material, further improves the quality of porcelain, while advantageously reduce subsequent step Intractability.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention, Technical solution in the embodiment of the present invention is clearly and completely described.Based on the embodiment of the present invention, the common skill in this field Art personnel all other embodiments obtained without creative efforts belong to the model that the present invention protects It encloses.
Embodiment 1：
A kind of high stability in-glaze decoration household china, including following percentage composition component：Barite 4%, fluorite 8%, boric acid Magnesium whisker 1%, β-sepiolite 12%, sodium alginate 10%, clay surplus.
Wherein, one or more compositions of the clay in kaolin, diatomite, montmorillonite, allophane, vermiculite, Preferred mass is than 0.8：1：5 vermiculite, montmorillonite, kaolinic composition.
High stability in-glaze decoration household china, production technology are as follows：
1) barite, fluorite, β-sepiolite are smashed it through 200 mesh sieves, sieve magnetic separation by feeding by mass percentage respectively It is blended afterwards with clay, continues ground 350-400 mesh sieves, base-material is obtained after sieving magnetic separation, it is spare；
2) sodium alginate is added in the polyvinyl alcohol water solution of 3.5wt%, stirring adds in boric acid thereto to after dissolving Magnesium whisker is ultrasonically treated, it is spare to obtain prefabricated solution；
3) water is added in into base-material, stands and places 6 days at 25-28 DEG C after stirring and evenly mixing, be then stirred for uniform flow Under dynamic state, prefabricated solution is added thereto, continue stirring 5 it is small when, obtain porcelain material-mud；
4) porcelain material-mud is subjected to vacuum pugging, is then made under the pressure of 24MPa by porcelain material-mud press-in die Green body；
5) green body is sent into dry kiln and is dried to water content as 12-15%, apply glaze base pigment to billet surface, so After continue to be dried to water content less than 3%；
6) green body after glazing is sent into and fired in kiln, first kept the temperature 0.8h under the conditions of 750 DEG C, then heat to 980 DEG C Under the conditions of fire 1.5h, then 0.5h is fired under the conditions of being warming up to 1220 DEG C, then be cooled to 1130 DEG C and continue to fire 3h, after cooling i.e. Obtain high stability in-glaze decoration household china.
Wherein, polyvinyl alcohol water solution and sodium alginate, the addition volume ratio of magnesium borate crystal whisker sum of the two in step 1) For 2：1；Be ultrasonically treated in step 1) is specially frequency 26.3KHz, time 20min；Step 5) glaze base pigment include SiO2, Al2O3, ZnO, CaO, MgO, silica alumina ratio is 1.1 in glaze base pigment.
Embodiment 2：
A kind of high stability in-glaze decoration household china, including following percentage composition component：Barite 5%, fluorite 10%, boric acid Magnesium whisker 5%, β-sepiolite 15%, sodium alginate 11%, clay surplus.
Wherein, one or more compositions of the clay in kaolin, diatomite, montmorillonite, allophane, vermiculite, Preferred mass is than 1：3：5 vermiculite, montmorillonite, kaolinic composition.
High stability in-glaze decoration household china, production technology are as follows：
1) barite, fluorite, β-sepiolite are smashed it through 200 mesh sieves, sieve magnetic separation by feeding by mass percentage respectively It is blended afterwards with clay, continues ground 350-400 mesh sieves, base-material is obtained after sieving magnetic separation, it is spare；
2) sodium alginate is added in the polyvinyl alcohol water solution of 3.5wt%, stirring adds in boric acid thereto to after dissolving Magnesium whisker is ultrasonically treated, it is spare to obtain prefabricated solution；
3) water is added in into base-material, stands and places 7 days at 25-28 DEG C after stirring and evenly mixing, be then stirred for uniform flow Under dynamic state, prefabricated solution is added thereto, continue stirring 6 it is small when, obtain porcelain material-mud；
4) porcelain material-mud is subjected to vacuum pugging, is then made under the pressure of 22.5MPa by porcelain material-mud press-in die Obtain green body；
5) green body is sent into dry kiln and is dried to water content as 12-15%, apply glaze base pigment to billet surface, so After continue to be dried to water content less than 3%；
6) green body after glazing is sent into and fired in kiln, first kept the temperature 0.1h under the conditions of 800 DEG C, then heat to 950 DEG C Under the conditions of fire 2h, then 0.5h is fired under the conditions of being warming up to 1240 DEG C, then be cooled to 1140 DEG C and continue to fire 2h, after cooling to obtain the final product High stability in-glaze decoration household china.
Wherein, polyvinyl alcohol water solution and sodium alginate, the addition volume ratio of magnesium borate crystal whisker sum of the two in step 1) For 3：1；Be ultrasonically treated in step 1) is specially frequency 26.5KHz, time 20min；Step 5) glaze base pigment include SiO2, Al2O3, ZnO, CaO, MgO, silica alumina ratio is 1.3 in glaze base pigment.
Embodiment 3：
A kind of high stability in-glaze decoration household china, including following percentage composition component：Barite 3%, fluorite 5%, boric acid Magnesium whisker 6%, β-sepiolite 18%, sodium alginate 12%, clay surplus.
Wherein, one or more compositions of the clay in kaolin, diatomite, montmorillonite, allophane, vermiculite, Preferred mass is than 0.5：4：5 vermiculite, montmorillonite, kaolinic composition.
High stability in-glaze decoration household china, production technology are as follows：
1) barite, fluorite, β-sepiolite are smashed it through 200 mesh sieves, sieve magnetic separation by feeding by mass percentage respectively It is blended afterwards with clay, continues ground 350-400 mesh sieves, base-material is obtained after sieving magnetic separation, it is spare；
2) sodium alginate is added in the polyvinyl alcohol water solution of 3.5wt%, stirring adds in boric acid thereto to after dissolving It is spare to obtain prefabricated solution for magnesium whisker, electromagnetic radiation；
3) water is added in into base-material, stands and places 7 days at 25-28 DEG C after stirring and evenly mixing, be then stirred for uniform flow Under dynamic state, prefabricated solution is added thereto, continue stirring 6 it is small when, obtain porcelain material-mud；
4) porcelain material-mud is subjected to vacuum pugging, is then made under the pressure of 26MPa by porcelain material-mud press-in die Green body；
5) green body is sent into dry kiln and is dried to water content as 12-15%, apply glaze base pigment to billet surface, so After continue to be dried to water content less than 3%；
6) green body after glazing is sent into and fired in kiln, first kept the temperature 0.5h under the conditions of 850 DEG C, then heat to 1000 DEG C Under the conditions of fire 1h, then 0.5h is fired under the conditions of being warming up to 1260 DEG C, then be cooled to 1150 DEG C and continue to fire 3h, after cooling to obtain the final product High stability in-glaze decoration household china.
Wherein, polyvinyl alcohol water solution and sodium alginate, the addition volume ratio of magnesium borate crystal whisker sum of the two in step 1) For 3：1；Electromagnetic radiation is specially 20 μ W/cm of high frequency radiation in step 1)2, time 10min；Step 5) glaze base pigment includes SiO2, Al2O3, ZnO, CaO, MgO, silica alumina ratio is 1.85 in glaze base pigment.
Embodiment 4：
A kind of high stability in-glaze decoration household china, including following percentage composition component：Barite 6%, fluorite 3%, boric acid Magnesium whisker 8%, β-sepiolite 10%, sodium alginate 7%, clay surplus.
Wherein, one or more compositions of the clay in kaolin, diatomite, montmorillonite, allophane, vermiculite, Preferred mass is than 0.5：2：5 vermiculite, montmorillonite, kaolinic composition.
High stability in-glaze decoration household china, production technology are as follows：
1) barite, fluorite, β-sepiolite are smashed it through 200 mesh sieves, sieve magnetic separation by feeding by mass percentage respectively It is blended afterwards with clay, continues ground 350-400 mesh sieves, base-material is obtained after sieving magnetic separation, it is spare；
2) sodium alginate is added in the polyvinyl alcohol water solution of 3.5wt%, stirring adds in boric acid thereto to after dissolving Magnesium whisker, supersound process or electromagnetic radiation, it is spare to obtain prefabricated solution；
3) water is added in into base-material, stands and places 8 days at 25-28 DEG C after stirring and evenly mixing, be then stirred for uniform flow Under dynamic state, prefabricated solution is added thereto, continue stirring 7 it is small when, obtain porcelain material-mud；
4) porcelain material-mud is subjected to vacuum pugging, is then made under the pressure of 25MPa by porcelain material-mud press-in die Green body；
5) green body is sent into dry kiln and is dried to water content as 12-15%, apply glaze base pigment to billet surface, so After continue to be dried to water content less than 3%；
6) green body after glazing is sent into and fired in kiln, first kept the temperature 1h under the conditions of 680 DEG C, then heat to 950 DEG C of items 1.5h is fired under part, then 0.5h is fired under the conditions of being warming up to 1250 DEG C, then is cooled to 1140 DEG C and continues to fire 4h, after cooling to obtain the final product High stability in-glaze decoration household china.
Wherein, polyvinyl alcohol water solution and sodium alginate, the addition volume ratio of magnesium borate crystal whisker sum of the two in step 1) For 3：1；Electromagnetic radiation is specially 25 μ W/cm of high frequency radiation in step 1)2, time 8min；Step 5) glaze base pigment includes SiO2, Al2O3, ZnO, CaO, MgO, silica alumina ratio is 1.45 in glaze base pigment.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments The present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to foregoing each implementation Technical solution recorded in example modifies or carries out equivalent substitution to which part technical characteristic；And these modification or It replaces, the essence of appropriate technical solution is not made to depart from the spirit and scope of various embodiments of the present invention technical solution.

Claims (8)

1. a kind of high stability in-glaze decoration household china, which is characterized in that including following percentage composition component：Barite 3-6%, firefly Stone 3-10%, magnesium borate crystal whisker 1-8%, β-sepiolite 10-18%, sodium alginate 7-12%, clay surplus.
2. high stability in-glaze decoration household china according to claim 1, it is characterised in that：The clay be selected from kaolin, One or more compositions in diatomite, montmorillonite, allophane, vermiculite.
3. high stability in-glaze decoration household china according to claim 2, it is characterised in that：The clay uses mass ratio 0.5-1：1-4：5 vermiculite, montmorillonite, kaolinic composition.
4. according to claim 1-3 any one of them high stability in-glaze decoration household chinas, which is characterized in that production technology is such as Under：
1) barite, fluorite, β-sepiolite are smashed it through 200 mesh sieves by feeding by mass percentage respectively, sieve after magnetic separation with Clay is blended, and continues ground 350-400 mesh sieves, and base-material is obtained after sieving magnetic separation, spare；
2) sodium alginate is added in the polyvinyl alcohol water solution of 3.5wt%, stirring adds in antifungin crystalline substance to after dissolving thereto Must, it is spare to obtain prefabricated solution for supersound process or electromagnetic radiation；
3) water is added in into base-material, stands and places 6-8 days at 25-28 DEG C after stirring and evenly mixing, be then stirred for Uniform Flow Under state, prefabricated solution is added thereto, continue stirring at least 5 it is small when, obtain porcelain material-mud；
4) porcelain material-mud is subjected to vacuum pugging, is then made under the pressure of 22.5-26MPa by porcelain material-mud press-in die Obtain green body；
5) green body is sent into dry kiln and is dried to water content as 12-15%, apply glaze base pigment, Ran Houji to billet surface The continuous water content that is dried to is less than 3%；
6) green body after glazing is sent into and fired in kiln, 0.1-1h is first kept the temperature under the conditions of 680-850 DEG C, then heats to 950- 1-2h is fired under the conditions of 1000 DEG C, then 0.5h is fired under the conditions of being warming up to 1220-1260 DEG C, then be cooled to 1130-1150 DEG C after It is continuous to fire 2-4h, up to high stability in-glaze decoration household china after cooling.
5. high stability in-glaze decoration household china according to claim 4, it is characterised in that：Polyvinyl alcohol is water-soluble in step 1) The addition volume ratio of liquid and sodium alginate, magnesium borate crystal whisker sum of the two is 2-3：1.
6. high stability in-glaze decoration household china according to claim 4, it is characterised in that：It is ultrasonically treated in step 1) specific For frequency 26.3-26.8KHz, time 5-40min；Electromagnetic radiation is specially high frequency radiation 20-25 μ W/cm2, time 5- 20min。
7. high stability in-glaze decoration household china according to claim 4, it is characterised in that：Step 5) glaze base pigment includes SiO2、Al2O3、ZnO、CaO、MgO。
8. high stability in-glaze decoration household china according to claim 7, it is characterised in that：Silica alumina ratio is in glaze base pigment 1.1-1.85。
CN201711432874.4A 2017-12-26 2017-12-26 A kind of high stability in-glaze decoration household china and its production technology Pending CN108117373A (en)

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CN112250419A (en) * 2020-10-29 2021-01-22 潮州市礼升陶瓷有限公司 High-stability in-glaze color daily porcelain and production process thereof
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Application publication date: 20180605