CN111423117A - Sanitary ware manufactured by adopting three-component glazing technology - Google Patents

Sanitary ware manufactured by adopting three-component glazing technology Download PDF

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CN111423117A
CN111423117A CN202010255531.0A CN202010255531A CN111423117A CN 111423117 A CN111423117 A CN 111423117A CN 202010255531 A CN202010255531 A CN 202010255531A CN 111423117 A CN111423117 A CN 111423117A
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glaze
component
glaze layer
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mass
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李小满
孟祥瑞
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Xiamen Jiayu Intelligent Toilet And Bathroom Co ltd
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Xiamen Jiayu Intelligent Toilet And Bathroom Co ltd
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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
    • C—CHEMISTRY; METALLURGY
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    • 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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    • 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
    • C—CHEMISTRY; METALLURGY
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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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    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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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    • 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
    • C04B2235/32—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
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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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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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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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
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
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Abstract

The invention discloses a sanitary ware manufactured by adopting a three-component glazing technology, wherein the component A glaze is opaque glaze as a ground glaze layer, the component B glaze is a transparent glass glaze layer as an intermediate layer glaze, and the component C glaze contains Ag2The O series antibacterial glaze layer is used as a surface glaze. When the sanitary ware is prepared by the three-group glaze formula, the thickness of the A component glaze sprayed on the surface of the blank body is 0.4-0.6 mm, the thickness of the B component glaze is 0.1-0.3 mm, and the thickness of the C component glaze is 0.01-0.1 mm.

Description

Sanitary ware manufactured by adopting three-component glazing technology
Technical Field
The invention relates to a sanitary ware manufactured by adopting a three-component glazing technology, belonging to the technical field of sanitary ware manufacturing.
Background
With the development of sanitary ware, the mainstream products in the market at present mainly comprise common zirconium silicate opaque glaze products and antibacterial glaze products. In the traditional zirconium silicate opaque glaze, a large amount of zirconium silicate is introduced, and after the glaze is fired at high temperature, a glass phase contains a large amount of opaque phases and crystalline phase particles. The microstructure is uneven, and the high-temperature viscosity of the glaze is high, so that the glaze surface is rough. After the product is used for a period of time, the glaze surface is easy to pollute, is inconvenient to clean, has no antibacterial function, and has no health and environmental protection functions.
Although the more popular antibacterial glaze sanitary ceramic products have the sterilization and antifouling capabilities, silver is a noble metal, and if the antibacterial glaze layer is too thin, the flatness of the glaze layer is not high, the sterilization durability is poor, and the requirements of consumers on health and environmental protection cannot be met. And the manufacturing cost is increased by simply increasing the thickness of the antibacterial glaze layer, and the glaze surface of the product is easy to have defects, so that the product percent of pass is low.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a sanitary ware manufactured by adopting a three-component glazing technology and a method thereof. On the basis of the base coat of the component A of the sanitary ware, the invention firstly sprays the middle glass glaze layer of the component B, and then sprays the overglaze with the antibacterial function of the component C.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention firstly provides a sanitary ware manufactured by adopting a three-component glazing technology, which comprises a ceramic body and a three-component glaze layer sprayed on the surface of the ceramic body, and is characterized in that: the component A glaze layer is a ground glaze layer and is formed by spraying ground glaze on the surface of a ceramic blank; the component B glaze layer is an intermediate glass glaze layer and is formed by spraying glass glaze on the surface of the ground glaze layer; the C component glaze layer is a surface glaze layer and is formed by spraying surface glaze on the surface of the middle glass glaze layer;
the component A glaze comprises the following components in percentage by mass: SiO 2250-70％、Al2O36-12％、CaO6-12％、MgO 0.5-3.5％、K2O 1-5％、Na2O 0.5-5％、ZnO 3-10％、ZrO21-12% of pigment and 0.1-10% of pigment;
the B component glaze comprises the following components in percentage by mass: SiO 22：58.0％-68.0％，Al2O3：8.0％-12.0％，CaO：8.0％-12.0％，MgO：1.0％-2.0％，K2O：2.0％-6.0％，Na2O：0.5％-1.0％，Li2O：0.5％-1.0％，ZnO：2.0％-6.0％，SrO：2.0％-6.0％，B2O3：1.0％-2.0％；
The C component glaze comprises the following components in percentage by mass: SiO 22：52.20％-67.32％，Al2O3：7.20％-11.88％，CaO：7.20％-11.88％，MgO：0.90％-1.98％，K2O：1.80％-5.94％，Na2O：0.45％-0.99％，Li2O：0.45％-0.99％，ZnO：1.80％-5.94％，SrO：1.80％-5.94％，B2O3：0.90％-1.98％，Ag2O：1.0％-10％。
In the technical scheme, SiO in the B component glaze2，Al2O3，CaO，MgO，K2O，Na2O，Li2O，ZnO，SrO，B2O3The mass ratio of the C component glaze to the corresponding components is a linear relation: 1.00: 0.90-0.99. At this time, the main technical parameters of the component glaze B and the component glaze C, such as the initial melting temperature, the thermal expansion coefficient and the like, form a linear relation correspondingly so as to ensure the best product performance. For example, SiO in B-component glaze2The mass percentage of the component (A) is 58.0-68.0%, 58% × 0.90-52.20%, 68% × 0.99-67.32%, namely SiO in the C component glaze2The mass percentage range of (A) is 52.20% -67.32%; the same linear relationship exists for the other components as well.
In the above technical scheme, the B component glaze preferably comprises the following components in percentage by mass: SiO 22：59.0％-66.0％，Al2O3：9.0％-11.0％，CaO：7.0％-11.0％，MgO：1.0％-1.5％，K2O：2.5％-5.0％，Na2O：0.5％-0.8％，Li2O：0.5％-0.8％，ZnO：3.0％-6.0％，SrO：3.0％-6.0％，B2O3：1.0％-1.5％。
In the above technical scheme, the C component glaze preferably comprises the following components in percentage by mass:SiO2：53.10％-65.34％，Al2O3：8.10％-10.89％，CaO：6.3％-10.89％，MgO：0.90％-1.48％，K2O：2.25％-4.95％，Na2O：0.45％-0.79％，Li2O：0.45％-0.79％，ZnO：2.70％-5.94％，SrO：2.70％-5.94％，B2O3：0.9％-1.48％；Ag2O：2％-8％。
in the technical scheme, the C component glaze comprises 1.0-10% of Ag2O is obtained by decomposition reaction of silver carbonate, Ag2CO3＝Ag2O+CO2(ii) a Wherein, the silver carbonate is a commercial product, and the technical parameters are as follows: ag2CO3 (98.5%), its granularity is 10 microns (85%), and its decomposition temp is 220 deg.C.
In the technical scheme, the ceramic body comprises the following components in percentage by mass: SiO 2263-80％、Al2O315-25％、CaO 0.1-2.0％、MgO 0.1-2.0％、K2O 0.1-3.0％、Na2O 0.1-2.0％、Fe2O30.1-2.0％、TiO20.1 to 1.0 percent; the ceramic green body is obtained by slip casting after all the components are mixed evenly. After the ceramic body is sequentially sprayed with the ground glaze, the intermediate glass glaze and the overglaze, the ceramic body is sintered at the sintering temperature of 1150-1250 ℃ to form a ceramic body with the ceramic water absorption rate less than 0.5 percent (which is in line with the sanitary ceramic GB 6952-2015). The ceramic blank of the invention needs to consider the strength and the thermal stability of the ceramic material, especially the thermal expansion coefficient matching between the blank glazes, and the ceramic material with small high-temperature loss is selected as much as possible.
The invention also provides a manufacturing method of the sanitary ware adopting the three-component glazing technology, which comprises the following steps:
(1) preparing a ceramic body: uniformly mixing the components of the ceramic body according to the mass percentage, and grinding in a ball mill to obtain ceramic slurry, wherein the proportion of particles with the fineness of less than 10 mu m is controlled between 50 and 60 percent; the ceramic slurry is formed into a ceramic blank body by grouting;
(2) preparing an A component glaze layer: after the step (1) is finished, uniformly mixing the components of the component A glaze in percentage by mass, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the ratio of particles with the particle size of less than 10 mu m is controlled to be 60-70%; then evenly spraying the glaze slip on the surface of a ceramic blank to form an A component glaze layer, wherein the spraying thickness is 0.4mm-0.6 mm;
(3) preparing a B component glaze layer: after the step (2) is finished, uniformly mixing the components of the B component glaze with the mass percentage content, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the ratio of particles with the particle size of less than 10 mu m is controlled between 65.0 and 75.0 percent; then the glaze slip is evenly sprayed on the surface of the component A glaze layer to form a component B glaze layer, and the spraying thickness is 0.1mm-0.3 mm;
(4) preparing a C component glaze layer: after the step (3) is finished, firstly, the silver carbonate is decomposed at 220 ℃ to obtain Ag2O, uniformly mixing the components of the C component glaze in percentage by mass, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the ratio of particles with the particle size of less than 10 mu m is controlled to be 75.0-80.0%; then the glaze slip is evenly sprayed on the surface of the component B glaze layer to form a component C glaze layer, and the spraying thickness is 0.01mm-0.1 mm;
(5) firing sanitary ware: after the step (4) is finished, drying the ceramic body sprayed with the A component glaze layer, the B component glaze layer and the C component glaze layer from inside to outside until the water content is less than 1.0%, putting the ceramic body into a kiln for one-time firing to prepare the sanitary ware, wherein the firing temperature is 1150-1250 ℃, and the water absorption of the product is less than 0.5% (which conforms to the sanitary ceramic GB 6952-2015).
The invention has the technical characteristics that: before 2000 years, the sanitary ware generally adopts a group of element glazing technology, and the glaze of the product is rough and has no antibacterial function. In 2000, high-end sanitary ware gradually adopts a two-component glazing technology, the base glaze is applied firstly, and then the glass glaze layer containing the antibacterial agent is applied, so that the glaze surface smoothness is improved, and the antibacterial property is certain. The three-component glazing technology of the invention has the advantages that the first component is provided with the ground coat, the second component is provided with the middle glass glaze layer, and the third component is provided with the overglaze containing the silver antibacterial agent, so that the surface of the product can be enriched and separated out with effective silver ions, and the three-component glazing technology has effective and continuous antibacterial function.
Detailed Description
The following detailed description of the embodiments of the present invention is provided, but the present invention is not limited to the following descriptions:
example 1:
a sanitary ware adopting a three-component glazing technology is manufactured by the following manufacturing method:
(1) preparing a ceramic body: the formula comprises the following components in percentage by mass: SiO 2267.85％、Al2O323.50％、CaO 0.88％、MgO 1.62％、K2O 2.85％、Na2O 1.60％、Fe2O31.20％、TiO20.50% of the above components are mixed uniformly and ground in a ball mill to obtain ceramic slurry, and the ceramic slurry with the particle size of less than 10 μm accounts for 53%; the ceramic slurry is formed into a ceramic blank body by grouting;
(2) preparing an A component glaze layer: the formula comprises the following components in percentage by mass: SiO 2264.58％、Al2O38.50％、CaO 8.27％、MgO 1.5％、K2O 2.5％、Na2O 1.5％、ZnO 3.3％、ZrO28.35 percent, 1.5 percent of cadmium red (PR-5108); uniformly mixing the components, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the proportion of particles with the particle size of less than 10 mu m is controlled at 66%; then evenly spraying the glaze slip on the surface of the ceramic blank to form a glaze layer, wherein the spraying thickness is 0.45 mm;
(3) preparing a B component glaze layer: the formula comprises the following components in percentage by mass: SiO 22：61.50％，Al2O3：10.05％，CaO：10.56％，MgO:1.55％％，K2O：3.85％，Na2O：0.57％，Li2O：0.58％，ZnO：5.98％，SrO：3.77％，B2O3: 1.59 percent; uniformly mixing the components, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the proportion of particles with the particle size of less than 10 mu m is controlled at 66.50%; then evenly spraying the glaze slip on the surface of the component A glaze layer to form a component B glaze layer, wherein the spraying thickness is 0.2 mm;
(4) preparing a C component glaze layer: firstly, silver carbonate is decomposed at 220 ℃ to obtain Ag2O, the components according to the following mass percentageProportioning: SiO 22：59.85％，Al2O3：9.85％，CaO：8.98％，MgO：1.50％，K2O:3.73％，Na2O：0.49％，Li2O：0.56％，ZnO：5.85％，SrO：4.65％，B2O3；1.54％，Ag2O: 3.00 percent; uniformly mixing the components, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the proportion of particles with the particle size of less than 10 mu m is controlled at 76.0%; then the glaze slip is evenly sprayed on the surface of the component B glaze layer to form a component C glaze layer, and the spraying thickness is 0.08 mm;
(5) firing sanitary ware: after the step (4) is finished, drying the ceramic body sprayed with the component A glaze layer, the component B glaze layer and the component C glaze layer from inside to outside until the water content is less than 1.0%, putting the ceramic body into a kiln for one-time firing to prepare the sanitary ware, wherein the firing temperature is 1210 ℃, the water absorption of the product is less than 0.5%, and the product is marked as No. 1.
Example 2:
a sanitary ware adopting a three-component glazing technology is manufactured by the following manufacturing method:
(1) preparing a ceramic body: the formula comprises the following components in percentage by mass: SiO 2268.50％、Al2O322.56％、CaO 0.85％、MgO 1.76％、K2O 2.78％、Na2O 1.85％、Fe2O31.25％、TiO20.45 percent of the components are mixed evenly and ground in a ball mill to obtain ceramic slurry, and the percentage of particles with the fineness of less than 10 mu m is 54 percent of the ceramic slurry; the ceramic slurry is formed into a ceramic blank body by grouting;
(2) preparing an A component glaze layer: the formula comprises the following components in percentage by mass: SiO 2262.55％、Al2O39.35％、CaO 8.70％、MgO 1.55％、K2O 2.55％、Na2O 1.58％、ZnO 3.60％、ZrO28.55 percent of azure (CPB-9115) and 1.57 percent of azure; uniformly mixing the components, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the proportion of particles with the particle size of less than 10 mu m is controlled at 66.5%; then the glaze slip is evenly sprayed on the surface of the ceramic body to form an A component glaze layer, and the spraying thickness is0.50mm；
(3) Preparing a B component glaze layer: the formula comprises the following components in percentage by mass: SiO 22：63.33％，Al2O3：9.62％，CaO：9.50％，MgO:1.41％，K2O：4.12％，Na2O：0.55％，Li2O：0.53％，ZnO：5.93％，SrO：3.65％，B2O3: 1.36 percent; uniformly mixing the components, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the proportion of particles with the particle size of less than 10 mu m is controlled at 67.5.0%; then evenly spraying the glaze slip on the surface of the component A glaze layer to form a component B glaze layer, wherein the spraying thickness is 0.25 mm;
(4) preparing a C component glaze layer: firstly, silver carbonate is decomposed at 220 ℃ to obtain Ag2And O, mixing the following components in percentage by mass: SiO 22：59.81％，Al2O3：9.15％，CaO：9.02％，MgO：1.33％，K2O：3.95％，Na2O：0.52％，Li2O：0.55％，ZnO:5.92％，SrO：3.46％，B2O3：1.29％，Ag2O: 5.00 percent. Uniformly mixing the components, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the proportion of particles with the particle size of less than 10 mu m is controlled to be 77.0%; then the glaze slip is evenly sprayed on the surface of the component B glaze layer to form a component C glaze layer, and the spraying thickness is 0.09 mm;
(5) firing sanitary ware: after the step (4) is finished, drying the ceramic body sprayed with the component A glaze layer, the component B glaze layer and the component C glaze layer from inside to outside until the water content is less than 1.0%, and putting the ceramic body into a kiln to be fired into a sanitary ware at a firing temperature of 1220 ℃ and the water absorption of the product is less than 0.5%.
Example 3:
a sanitary ware adopting a three-component glazing technology is manufactured by the following manufacturing method:
(1) preparing a ceramic body: the formula comprises the following components in percentage by mass: SiO 2266.80％、Al2O324.35％、CaO 0.66％、MgO:1.85％、K2O 2.81％、Na2O 1.53％、Fe2O3:1.35％、TiO20.65 percent of the components are mixed evenly and ground in a ball mill to obtain ceramic slurry, and the fineness of the ceramic slurry reaches 56 percent of 10 mu m; the ceramic slurry is formed into a ceramic blank body by grouting;
(2) preparing an A component glaze layer: the formula comprises the following components in percentage by mass: SiO 2260.63％、Al2O39.51％、CaO 8.12％、MgO 1.56％、K2O 3.23％、Na2O 1.65％、ZnO 3.82％、ZrO28.85 percent and 2.63 percent of cadmium orange (CPR-9151). Uniformly mixing the components, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the proportion of particles with the particle size of less than 10 mu m is controlled to be 65%; then evenly spraying the glaze slip on the surface of a ceramic blank to form an A component glaze layer, wherein the spraying thickness is 0.55 mm;
(3) preparing a B component glaze layer: the formula comprises the following components in percentage by mass: SiO 22：64.42％，Al2O3：9.20％，CaO：8.87％，MgO：1.65％，K2O：4.22％，Na2O：0.51％，Li2O：0.58％，ZnO：5.20％，SrO：3.85％，B2O3: 1.50 percent, uniformly mixing the components, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the proportion of particles with the particle size of less than 10 mu m is controlled at 69 percent; then the glaze slip is evenly sprayed on the surface of the component A glaze layer to form a component B glaze layer, and the spraying thickness is 0.29 mm;
(4) preparing a C component glaze layer: the formula comprises the following components in percentage by mass: SiO 22：59.85％，Al2O3：8.59％，CaO：9.02％，MgO：1.55％，K2O：4.02％，Na2O：0.45％，Li2O：0.55％，ZnO：4.85％，SrO：3.59％，B2O3：1.48％，Ag2O: 6.05 percent; uniformly mixing the components, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the proportion of particles with the particle size of less than 10 mu m is controlled to be 78%; then the glaze slip is evenly sprayed on the surface of the component B glaze layer to form a component C glaze layer, and the spraying thickness is 0.09 mm;
(5) firing sanitary ware: after the step (4) is finished, drying the ceramic body sprayed with the component A glaze layer, the component B glaze layer and the component C glaze layer from inside to outside until the water content is less than 1.0%, and putting the ceramic body into a kiln to be fired into the sanitary ware once, wherein the firing temperature is 1250 ℃, and the water absorption of the product is less than 0.5%.
Comparative example 1:
basically the same as the embodiment 1, except that the component C glaze layer is not included, namely the component A glaze layer is sprayed from inside to outside, the component B glaze is dried and put into a kiln to be fired into the sanitary ware at one time, and the product is the sanitary ware adopting the two-component glazing technology and is marked as # 2.
Comparative example 2:
basically the same as the example 1, except that the component B glaze layer and the component C glaze layer are not included, the component A glaze layer is sprayed, dried and put into a kiln to be fired into the sanitary ware at one time, and the product is the sanitary ware adopting the component glazing technology and is marked as # 3.
The products obtained in the embodiment 1, the comparative embodiment 1 and the comparative embodiment 2 of the present invention are sent to a promotion microorganism antibacterial detection center, and the antibacterial performance detection is performed according to the antibacterial performance test method of JC/T897-:
table 1 results of antibacterial property test of sanitary ware prepared by different component glazing technique
Figure BDA0002437158430000061
From the above results, it can be seen that the sanitary ware prepared by the three-component glazing technology of the present invention has excellent antibacterial properties.
The above examples are only for illustrating the technical concept and features of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (7)

1. The sanitary ware manufactured by adopting the three-component glazing technology comprises a ceramic body and a three-component glaze layer sprayed on the surface of the ceramic body, and is characterized in that: the component A glaze layer is a ground glaze layer and is formed by spraying ground glaze on the surface of a ceramic blank; the component B glaze layer is an intermediate glass glaze layer and is formed by spraying glass glaze on the surface of the ground glaze layer; the C component glaze layer is a surface glaze layer and is formed by spraying surface glaze on the surface of the middle glass glaze layer;
the component A glaze comprises the following components in percentage by mass: SiO 2250-70％、Al2O36-12％、CaO 6-12％、MgO 0.5-3.5％、K2O 1-5％、Na2O 0.5-5％、ZnO 3-10％、ZrO21-12% of pigment and 0.1-10% of pigment;
the B component glaze comprises the following components in percentage by mass: SiO 22：58.0％-68.0％，Al2O3：8.0％-12.0％，CaO：8.0％-12.0％，MgO：1.0％-2.0％，K2O：2.0％-6.0％，Na2O：0.5％-1.0％，Li2O：0.5％-1.0％，ZnO：2.0％-6.0％，SrO：2.0％-6.0％，B2O3：1.0％-2.0％；
The C component glaze comprises the following components in percentage by mass: SiO 22：52.20％-67.32％，Al2O3：7.20％-11.88％，CaO：7.20％-11.88％，MgO：0.90％-1.98％，K2O：1.80％-5.94％，Na2O：0.45％-0.99％，Li2O：0.45％-0.99％，ZnO：1.80％-5.94％，SrO：1.80％-5.94％，B2O3：0.90％-1.98％，Ag2O：1.0％-10％。
2. The plumbing fixture of claim 1, wherein: SiO in the B component glaze2，Al2O3，CaO，MgO，K2O，Na2O，Li2O，ZnO，SrO，B2O3The mass ratio of the C component glaze to the corresponding components is a linear relation: 1.00: 0.90-0.99.
3. The plumbing fixture of claim 1, wherein: the B component glaze comprises the following components in percentage by massThe components of the ratio: SiO 22：59.0％-66.0％，Al2O3：9.0％-11.0％，CaO：7.0％-11.0％，MgO：1.0％-1.5％，K2O：2.5％-5.0％，Na2O：0.5％-0.8％，Li2O：0.5％-0.8％，ZnO：3.0％-6.0％，SrO：3.0％-6.0％，B2O3：1.0％-1.5％。
4. The plumbing fixture of claim 1, wherein: the C component glaze comprises the following components in percentage by mass: SiO 22：53.10％-65.34％，Al2O3：8.10％-10.89％，CaO：6.3％-10.89％，MgO：0.90％-1.48％，K2O：2.25％-4.95％，Na2O：0.45％-0.79％，Li2O：0.45％-0.79％，ZnO：2.70％-5.94％，SrO：2.70％-5.94％，B2O3：0.9％-1.48％；Ag2O：2％-8％。
5. The plumbing fixture of claim 1, wherein: the C component glaze contains 1.0-10% of Ag2O is obtained by decomposing silver carbonate, and the decomposition temperature is 220 ℃.
6. The plumbing fixture of claim 1, wherein: the ceramic body comprises the following components in percentage by mass: SiO 2263-80％、Al2O315-25％、CaO 0.1-2.0％、MgO 0.1-2.0％、K2O 0.1-3.0％、Na2O 0.1-2.0％、Fe2O30.1-2.0％、TiO20.1 to 1.0 percent; the ceramic green body is obtained by slip casting after all the components are mixed evenly.
7. A method of manufacturing a sanitary ware according to any of claims 1 to 6, comprising the steps of:
(1) preparing a ceramic body: uniformly mixing the components of the ceramic body according to the mass percentage, and grinding in a ball mill to obtain ceramic slurry, wherein the proportion of particles with the fineness of less than 10 mu m is controlled between 50 and 60 percent; the ceramic slurry is formed into a ceramic blank body by grouting;
(2) preparing an A component glaze layer: after the step (1) is finished, uniformly mixing the components of the component A glaze in percentage by mass, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the ratio of particles with the particle size of less than 10 mu m is controlled to be 60-70%; then evenly spraying the glaze slip on the surface of a ceramic blank to form an A component glaze layer, wherein the spraying thickness is 0.4mm-0.6 mm;
(3) preparing a B component glaze layer: after the step (2) is finished, uniformly mixing the components of the B component glaze with the mass percentage content, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the ratio of particles with the particle size of less than 10 mu m is controlled between 65.0 and 75.0 percent; then the glaze slip is evenly sprayed on the surface of the component A glaze layer to form a component B glaze layer, and the spraying thickness is 0.1mm-0.3 mm;
(4) preparing a C component glaze layer: after the step (3) is finished, firstly, the silver carbonate is decomposed at 220 ℃ to obtain Ag2O, uniformly mixing the components of the C component glaze in percentage by mass, and grinding the mixture by using a ball mill to obtain glaze slurry, wherein the ratio of particles with the particle size of less than 10 mu m is controlled to be 75.0-80.0%; then the glaze slip is evenly sprayed on the surface of the component B glaze layer to form a component C glaze layer, and the spraying thickness is 0.01mm-0.1 mm;
(5) firing sanitary ware: after the step (4) is finished, drying the ceramic body sprayed with the A component glaze layer, the B component glaze layer and the C component glaze layer from inside to outside until the water content is less than 1.0%, putting the ceramic body into a kiln for one-time firing to prepare the sanitary ware, wherein the firing temperature is 1150-1250 ℃, the water absorption of the product is less than 0.5%, and the requirement of the sanitary ware GB6952-2015 is met.
CN202010255531.0A 2020-04-02 2020-04-02 Sanitary ware manufactured by adopting three-component glazing technology Pending CN111423117A (en)

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