CN109020525A - Acidproof ultrawhite brick and preparation method thereof - Google Patents
Acidproof ultrawhite brick and preparation method thereof Download PDFInfo
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- CN109020525A CN109020525A CN201810980669.XA CN201810980669A CN109020525A CN 109020525 A CN109020525 A CN 109020525A CN 201810980669 A CN201810980669 A CN 201810980669A CN 109020525 A CN109020525 A CN 109020525A
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
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- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
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- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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- C04B2235/9646—Optical properties
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- 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
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9692—Acid, alkali or halogen resistance
Abstract
The application provides a kind of acidproof ultrawhite brick and preparation method thereof.The acidproof ultrawhite brick, including green body, overglaze and ground coat enamel.Production method includes: blank forming, carries out first to green body and is dried, obtains dry base substrate；Apply ground coat enamel to the surface of dry base substrate, obtains the first base brick；Second is carried out to the first base brick to be dried, and obtains the second base brick；The one side for applying ground coat enamel to the second base brick applies overglaze, obtains third base brick；Third drying process is carried out to third base brick, obtains the 4th base brick；High-temperature calcination is carried out to the 4th base brick, obtains the 5th base brick；Calcination time is 1h, and calcination temperature is 1170-1240 DEG C；5th base brick is processed by shot blasting, acidproof ultrawhite brick is obtained.The acidproof ultrawhite brick obtained using production method provided by the present application, whiteness is higher, and crystalistic sense and acid resistance are more preferable.
Description
Technical field
The present invention relates to ceramic fields, in particular to a kind of acidproof ultrawhite brick and preparation method thereof.
Background technique
Ultrawhite ceramic tile is because its color is simple and elegant, and decorative effect is bright, clean, and implied meaning is pure, the deep pro-gaze by consumer.
And the current universal whiteness 60-70 of ultrawhite brick or so on the market, it is obvious for whiteness requires higher some porcelain
Not enough.Meanwhile the problem that generally existing acid resistance is relatively low, common such as cola, vinegar, toilet cleaner acidulous material in life
It is dropped on the ceramic tile on ground, will often start within 2 hours or so corrosion phenomenon occur, destroy brick body surface, form stain, it is difficult
With cleaning；And the later period is easy to be polluted by dust, dirt etc., and whole visual effect is caused to be deteriorated.
In view of this, the present invention is specifically proposed.
Summary of the invention
The first object of the present invention is a kind of acidproof ultrawhite brick provided, and whiteness is high, acid corrosion-resistant, and crystalistic sense is good.
The second object of the present invention is to provide a kind of production method of aforementioned acidproof ultrawhite brick, for producing acidproof ultrawhite
Brick.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
A kind of acidproof ultrawhite brick, which is characterized in that including green body, overglaze and ground coat enamel；
The green body is in terms of mass fraction, comprising: SiO260-72 parts, Al2O317-22 parts, 1-3 parts of MgO, K2O 1-3
Part, Na22-4 parts of O；
The overglaze is in terms of mass fraction, comprising: Al2O312-18 parts, SiO252-66 parts, CaO2-5 parts, CaSO43-5
Part, MgSO43-6 parts, K2SO43-5 parts, Na2SO42-4 parts, BaSO44-8 parts, ZnO2-8 parts, ZrSiO48-15 parts；
The ground coat enamel is in terms of mass fraction, comprising: Al2O320-33 parts, SiO250-65 parts, CaO1-5 parts, MgO1-4 parts,
ZnO2-6 parts, K2O2-4 parts, Na2O4-8 parts, ZrSiO418-21 parts.
Al in overglaze and ground coat enamel2O3With the melting temperature for adjusting glaze, reinforces the conjugation of base glaze and increase the high temperature of glaze
Viscosity effect.If dosage is excessively easy to produce cracking, bald glaze, massed glaze and the porous phenomenon of glaze paint in glazing.SiO2In overglaze and
It is played in ground coat enamel and increases melting temperature, increased melting temperature range, reduce the mobility of glaze, increase the high temperature viscosity of glaze, reduced
Thermal expansion coefficient increases the effect of hardness of glaze surface.Viscosity when CaO can be reduced in melting in the higher glaze of silica content,
Increase the mobility and glossiness of glaze, enhances glaze-body bonding power, prevent the generation of bald glaze phenomenon.ZnO have in glaze it is fluxing, drop it is swollen
It is swollen, it prevents from spliting open, increases gloss and whiteness, the advantages that widening firing range, prevent eggshell surface.ZrSO4Glaze paint can be improved
Whiteness and wearability, and anti-glaze paint cracking and hardness of glaze surface can be increased.CaSO in overglaze4、MgSO4、BaSO4Three exists
High-temperature lower part is decomposed into CaO, MgO, BaO, and some is without decomposing completely or with CaSO4、MaSO4、BaSO4Form exists.
CaSO4、MaSO4、BaSO4Main function is acid resistance.MgO can increase the melting temperature range of glaze in high temperature, go back flame firing
When the whiteness of glaze can be made to increased and can play the role of preventing glaze paint cracking；BaO is similar to calcium oxide in glaze, but barium is low
Refractory material in warm glaze is fluxing agent in high-temperature glaze, fluxing agent is used as in this glaze.K2SO4、Na2SO4In high-temperature fusion
K can be partially obtained under state2O、Na2O, K2O、Na2O can significantly reduce glaze in melting temperature and viscosity, be the main flux of glaze
Component increases the coefficient of expansion of glaze, improves thermal stability, chemical stability and the mechanical strength of glaze, improves the glossiness of glaze, changes
Learn stability and elasticity.
The application replaces basic anhydride with acidic oxide or replaces low acidic oxides to make with highly acid oxide
It improves the acid resistance of overglaze with acid resistance.
ZrSiO is added in overglaze and ground coat enamel in the application4, so that product can obtain higher whiteness, significantly mention
The decorative performance of high product.
Green body, overglaze all get rid of common iron oxide composition in ground coat enamel, improve the crystalistic sense of product entirety.
Preferably, the green body is in terms of mass fraction, comprising: SiO265 parts, Al2O320 parts, 2 parts of MgO, K22 parts of O,
Na23 parts of O；The overglaze is in terms of mass fraction, comprising: Al2O315 parts, SiO255 parts, CaO3 parts, CaSO44 parts, MgSO45 parts,
K2SO44 parts, Na2SO43 parts, BaSO46 parts, ZnO5 parts, ZrSiO49 parts；The ground coat enamel is in terms of mass fraction, comprising: Al2O326
Part, SiO258 parts, CaO3 parts, MgO3 parts, ZnO4 parts, K2O3 parts, Na2O6 parts, ZrSiO420 parts.
Optimal green body, overglaze, ground coat enamel formula, can obtain optimal whiteness and acid resistance.
The application provides the production method of acidproof ultrawhite brick described in one kind, comprising the following steps:
S1: first carrying out the molding of the green body, then carries out first to green body and is dried, obtains dry base substrate；
S2: apply the ground coat enamel to the surface of the dry base substrate, obtain the first base brick；The is carried out to the first base brick
Two are dried, and obtain the second base brick；
S3: the one side for applying ground coat enamel to the second base brick applies overglaze, obtains third base brick；The third base brick is carried out
Third is dried, and obtains the 4th base brick；
S4: high-temperature calcination is carried out to the 4th base brick, obtains the 5th base brick；Calcination time is 1h, and calcination temperature is
1170-1240℃；
S5: being processed by shot blasting the 5th base brick, obtains acidproof ultrawhite brick.
First is dried it is possible to prevente effectively from the later period generates bubble when applying ground coat enamel；Bottom can be improved in second drying process
The conjugation of glaze and green body guarantees the effect for applying ground coat enamel；Third drying can guarantee the effect of application overglaze, avoid subsequent burning
Flaw is generated during system.
Preferably, the molding pressure is 3000-10000 tons.
The quality of green body can be effectively ensured in the control of briquetting pressure, and control green body internal stress is in OK range.
It is further preferred that the described first time being dried was 90min, temperature is 100-350 DEG C；Described second is dry
The time of processing is 1-2min, and temperature is 100-200 DEG C；The time that the third is dried is 1-2min, temperature 150-
250℃。
The control of drying time and temperature are to guarantee drying effect.
Preferably, apply the ground coat enamel to carry out in a manner of drenching glaze, ground coat enamel flow velocity be 4.77g/s, specific gravity be 1.89 ±
0.02g/ml, ground coat enamel applied amount are 590g/m2。
It is further preferred that the fineness of the ground coat enamel is that siccative weight percent is 0.3-0.6% after 325 meshes.
Preferably, apply the overglaze to carry out in a manner of drenching glaze, overglaze flow velocity be 4.77g/s, specific gravity be 1.89 ±
0.04g/ml, overglaze applied amount are 1300g/m2。
It is further preferred that the fineness of the overglaze is that siccative weight percent is 0.3-0.6% after 325 meshes.
The control of ground coat enamel and overglaze applying mode, flow velocity, specific gravity and applied amount is to guarantee ground coat enamel on green body, face
Glaze applies uniformly on ground coat enamel, while controlling the thickness of ground coat enamel and overglaze, guarantees the quality and visual effect of product.
The control of ground coat enamel and overglaze fineness, primarily to guaranteeing the uniformity of ground coat enamel and overglaze.
Compared with prior art, the invention has the benefit that
1. product whiteness is high, acid resistance is good；
2. simple process, yields is high, and Product Visual effect is good.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
Overglaze provided by the present application, raw material are derived from potassium feldspar, albite, quartz, kaolin, talcum powder, calcite, zirconium
The materials such as diamond stone.
Embodiment 1
A kind of high whiteness overglaze, based on parts by weight, comprising: Al2O312 parts, SiO266 parts, CaO3 parts, CaSO43 parts,
MgSO43 parts, K2SO43 parts, Na2SO42 parts, BaSO44 parts, ZnO2 parts, ZrSiO48 parts.
Raw material containing mentioned component is mixed, glaze is made in stirring, grinding after addition water.
Use the overglaze to make acidproof ultrawhite brick: first adobe being formed and is dried, then through application ground coat enamel,
It is dry, apply the overglaze, drying, high temperature fires, polishing treatment, obtain acidproof ultrawhite brick.
Embodiment 2
A kind of high whiteness overglaze, based on parts by weight, comprising: Al2O313 parts, SiO252 parts, CaO2 parts, CaSO43 parts,
MgSO43 parts, K2SO45 parts, Na2SO44 parts, BaSO44 parts, ZnO2 parts, ZrSiO415 parts.
Embodiment 3
A kind of high whiteness overglaze, based on parts by weight, comprising: Al2O312.5 parts, SiO252.5 parts, CaO3.5 parts,
CaSO44 parts, MgSO44 parts, K2SO43.7 parts, Na2SO42.6 parts, BaSO45.1 parts, ZnO3 parts, ZrSiO49.1 part.
Embodiment 4
A kind of high whiteness overglaze, based on parts by weight, comprising: Al2O312 parts, SiO252 parts, CaO2 parts, CaSO45 parts,
MgSO46 parts, K2SO43 parts, Na22 parts of O, BaSO48 parts, ZnO2 parts, ZrSiO48 parts.
Embodiment 5
A kind of high whiteness overglaze, based on parts by weight, comprising: Al2O318 parts, SiO252 parts, CaO5 parts, CaSO43 parts,
MgSO43 parts, K2O3 parts, Na2SO42 parts, BaSO44 parts, ZnO2 parts, ZrSiO48 parts.
Embodiment 6
A kind of high whiteness overglaze, based on parts by weight, comprising: Al2O312 parts, SiO253 parts, CaO2 parts, CaSO43 parts,
MgSO43 parts, K2SO43 parts, Na2SO42 parts, BaSO45 parts, ZnO8 parts, ZrO9 parts.
Embodiment 7
A kind of high whiteness overglaze, based on parts by weight, comprising: Al2O312.5 parts, SiO252.5 parts, CaO2 parts, CaSO43
Part, MgSO43.5 parts, K2O4 parts, Na23.5 parts of O, BaSO45.5 parts, ZnO5 parts, ZrO8.5 parts.
It should be noted that the overglaze production method that provides using embodiment 2-7 and making acidproof ultrawhite brick using overglaze
Method it is same as Example 1.
Comparative example 1
Compared with Example 1, the difference is that, ZrSiO is not contained in overglaze4；
Comparative example 2
Compared with Example 2, the difference is that, ZrSiO4Dosage be 20 parts；
Comparative example 3
Compared with Example 3, the difference is that, ZrSiO4Dosage be 5 parts；
Comparative example 4
Compared with Example 4, the difference is that, CaSO is not contained in overglaze4、MgSO4、BaSO4；
Comparative example 5
Compared with Example 6, the difference is that, ZrO is not contained in overglaze.
The parameter of resulting 500 set product of testing example 1-7 and comparative example 1-5 obtains average value, as a result such as the following table 1 institute
Show:
1 test result of table
It should be noted that the examination criteria of yields is in upper table 1: surface flawless, more without bald glaze, massed glaze and glaze paint
Phenomena such as hole；Acid corrosion-resistant is tested the method according to GB/T3813.10-2006, is surveyed using the hydrochloric acid that volume fraction is 3%
Examination.
As seen from the above table, ZrSiO4Glaze paint whiteness can be improved with ZrO, and anti-glaze paint cracking can be increased and glaze paint is hard
Degree.CaSO4、MgSO4、BaSO4The acid resistance of product can be improved.
High whiteness glaze provided by the present application, prepared ultrawhite glaze paint brick product, whiteness height, acid corrosion-resistant.
For those skilled in the art, various changes and changes are possible in this application.It is all in spirit herein
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this application.Although
The present invention is illustrate and described with specific embodiment, however will be appreciated that without departing substantially from the spirit and scope of the present invention
In the case of can make many other change and modification.It is, therefore, intended that in the following claims including belonging to this hair
All such changes and modifications in bright range.
Claims (9)
1. a kind of acidproof ultrawhite brick, which is characterized in that including green body, overglaze and ground coat enamel；
The green body is in terms of mass fraction, comprising: SiO260-72 parts, Al2O317-22 parts, 1-3 parts of MgO, K21-3 parts of O,
Na22-4 parts of O；
The overglaze is in terms of mass fraction, comprising: Al2O312-18 parts, SiO252-66 parts, CaO2-5 parts, CaSO43-5 parts,
MgSO43-6 parts, K2SO43-5 parts, Na2SO42-4 parts, BaSO44-8 parts, ZnO2-8 parts, ZrSiO48-15 parts；
The ground coat enamel is in terms of mass fraction, comprising: Al2O320-33 parts, SiO250-65 parts, CaO1-5 parts, MgO1-4 parts, ZnO2-
6 parts, K2O2-4 parts, Na2O4-8 parts, ZrSiO418-21 parts.
2. acidproof ultrawhite brick according to claim 1, which is characterized in that the green body is in terms of mass fraction, comprising:
SiO265 parts, Al2O320 parts, 2 parts of MgO, K22 parts of O, Na23 parts of O；
The overglaze is in terms of mass fraction, comprising: Al2O315 parts, SiO255 parts, CaO3 parts, CaSO44 parts, MgSO45 parts, K2SO44
Part, Na2SO43 parts, BaSO46 parts, ZnO5 parts, ZrSiO49 parts；
The ground coat enamel is in terms of mass fraction, comprising: Al2O326 parts, SiO258 parts, CaO3 parts, MgO3 parts, ZnO4 parts, K2O3 parts,
Na2O6 parts, ZrSiO420 parts.
3. a kind of production method of acidproof ultrawhite brick of any of claims 1 or 2, which comprises the following steps:
S1: first carrying out the molding of the green body, then carries out first to green body and is dried, obtains dry base substrate；
S2: apply the ground coat enamel to the surface of the dry base substrate, obtain the first base brick；It is dry that second is carried out to the first base brick
Dry processing obtains the second base brick；
S3: the one side for applying ground coat enamel to the second base brick applies overglaze, obtains third base brick；Third is carried out to the third base brick
It is dried, obtains the 4th base brick；
S4: high-temperature calcination is carried out to the 4th base brick, obtains the 5th base brick；Calcination time is 1h, calcination temperature 1170-
1240℃；
S5: being processed by shot blasting the 5th base brick, obtains acidproof ultrawhite brick.
4. production method according to claim 3, which is characterized in that the molding pressure is 3000-10000 tons.
5. production method according to claim 3, which is characterized in that the described first time being dried was 90min, temperature
Degree is 100-350 DEG C；Described second time being dried was 1-2min, and temperature is 100-200 DEG C；The third is dried
Time be 1-2min, temperature be 150-250 DEG C.
6. production method according to claim 3, which is characterized in that apply the ground coat enamel and is carried out in a manner of drenching glaze, bottom
Glaze flow velocity is 4.77g/s, and specific gravity is 1.89 ± 0.02g/ml, and ground coat enamel applied amount is 590g/m2。
7. production method according to claim 6, which is characterized in that the fineness of the ground coat enamel is the siccative after 325 meshes
Weight percent is 0.3-0.6%.
8. production method according to claim 3, which is characterized in that apply the overglaze and is carried out in a manner of drenching glaze, face
Glaze flow velocity is 4.77g/s, and specific gravity is 1.89 ± 0.04g/ml, and overglaze applied amount is 1300g/m2。
9. production method according to claim 8, which is characterized in that the fineness of the overglaze is the siccative after 325 meshes
Weight percent is 0.3-0.6%.
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