CN115849868B - Self-cleaning dry-hanging silicon porcelain plate curtain wall - Google Patents

Self-cleaning dry-hanging silicon porcelain plate curtain wall Download PDF

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CN115849868B
CN115849868B CN202211580514.XA CN202211580514A CN115849868B CN 115849868 B CN115849868 B CN 115849868B CN 202211580514 A CN202211580514 A CN 202211580514A CN 115849868 B CN115849868 B CN 115849868B
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glaze
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CN115849868A (en
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张龙
潘绍云
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Shandong Electric Shield Polytron Technologies Inc
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Abstract

Self-cleaning dry-hanging silicon porcelain plate curtain wall belongs to self-cleaning ceramic technical field. The glaze is characterized by comprising the following components in parts by weight: 62-75 parts of celsian, 5-10 parts of zinc borate, 20-25 parts of calcite, 3-7 parts of glass fiber, 20-25 parts of alumina, 5-9 parts of polytetrafluoroethylene wax powder, 3-6 parts of zinc powder and 6-12 parts of iron powder. The application completely introduces the oxide material of the glass fiber, and the synthesized glaze has better compactness, fewer micropores and easier cleaning of pollutants. Polytetrafluoroethylene wax powder is added into the glaze, and the non-adhesion property of the polytetrafluoroethylene wax powder is utilized, so that the surface of the prepared glaze is not easy to adsorb water-based and oil-based pollutants. In addition, zinc and iron metal elements in the glaze can conduct static electricity well, reduce charge adsorption, and effectively reduce ash hanging when the glaze is used as a curtain wall.

Description

Self-cleaning dry-hanging silicon porcelain plate curtain wall
Technical Field
Self-cleaning dry-hanging silicon porcelain plate curtain wall belongs to self-cleaning ceramic technical field.
Background
In recent years, along with the continuous development of building materials, the variety of curtain wall panels is also continuously increasing, and various light panel materials can be used as the panels of the curtain wall, so that a colorful curtain wall form is provided for people. The dry hanging porcelain plate is an emerging curtain wall installation form.
The traditional ceramic products can become dark in color due to gradual deposition of various pollutants in the use process, and the decoration effect is affected. Self-cleaning ceramics have become an important research direction for many years. For example, chinese patent CN1336352A discloses a titanium dioxide photocatalytic self-cleaning ceramic. The ceramic is prepared by closely compounding a photocatalysis film and low-temperature glaze with nano titanium dioxide as main components on a ceramic body or the glaze surface of a ceramic finished product, mixing quartz, limestone, borax, zinc oxide and zirconite, firing the mixture into low-temperature frit glaze with the temperature of 950-1000 ℃, uniformly mixing kaolin, water and an adhesive to prepare glaze slurry, firing the glaze slurry on the ceramic body or the glaze surface of the ceramic finished product by adopting the existing glazing and firing process and equipment, loading titanium dioxide sol on the ceramic glaze surface, and firing the titanium dioxide sol into the required titanium dioxide photocatalysis self-cleaning ceramic. The self-cleaning layer of the titanium dioxide sol loaded on the glaze in the later period has the problem of low bonding strength, and the self-cleaning performance of the ceramic is randomly disappeared after the titanium dioxide sol layer is worn after long-time use.
Chinese patent CN114031367B also discloses self-cleaning ceramic tiles comprising a ceramic tile substrate and a self-cleaning coating applied to the surface of the ceramic tile substrate; the self-cleaning coating comprises the following raw materials: nano zinc oxide, nano cerium oxide, 1H, 2H-tridecafluorooctyl trimethyl silane, dimethyl silicone oil and heptadecafluorodecyl triethoxy silane. The application also combines self-cleaning coating on ceramic tile substrate; although the application claims that the self-cleaning coating has strong wear resistance and high bonding strength, the problem of limited self-cleaning performance life caused by the very thin coating is still not overcome.
In addition, the dry-hang curtain wall ceramic panels require preferential use of lightweight panel materials because of their particular installation style. The traditional self-cleaning ceramic has a compact glaze layer, and has no light weight; if the ceramic plate is directly used as a dry hanging curtain wall ceramic plate, the ceramic plate is inconvenient to install and use.
Disclosure of Invention
The application aims to solve the technical problems that: overcomes the defects of the prior art and provides a self-cleaning dry-hanging silicon ceramic plate curtain wall with long self-cleaning service life and light weight.
The technical scheme adopted for solving the technical problems is as follows: the self-cleaning dry-hanging silicon porcelain plate curtain wall comprises a blank body and a glaze layer, and is characterized in that the glaze layer comprises the following components in parts by weight: 62-75 parts of celsian, 5-10 parts of zinc borate, 20-25 parts of calcite, 3-7 parts of glass fiber, 20-25 parts of aluminum oxide, 5-9 parts of polytetrafluoroethylene wax powder, 3-6 parts of zinc powder and 6-12 parts of iron powder.
The application firstly provides a glaze formula with self-cleaning function, glass fiber is added in the glaze, the main components of the glass fiber are silicon dioxide, aluminum oxide, calcium oxide, boron oxide, magnesium oxide, sodium oxide and the like, the glaze has good crystal forms in the preparation process, the oxide material is completely introduced after the glass fiber is added, the compactness of the synthesized glaze is better, micropores are fewer, and pollutants are easier to clean. Polytetrafluoroethylene wax powder is added into the glaze, and the non-adhesion property of the polytetrafluoroethylene wax powder is utilized, so that the surface of the prepared glaze is not easy to adsorb water-based and oil-based pollutants. In addition, zinc and iron metal elements in the glaze can conduct static electricity well, reduce charge adsorption, and effectively reduce ash hanging when the glaze is used as a curtain wall.
Preferably, the glaze layer comprises the following components in parts by weight: 67-71 parts of celsian, 7-8 parts of zinc borate, 22-23 parts of calcite, 5-6 parts of glass fiber, 22-23 parts of aluminum oxide, 6.5-7.5 parts of polytetrafluoroethylene wax powder, 4-5 parts of zinc powder and 8-10 parts of iron powder. The optimized formula of the glaze layer can better maintain the self-cleaning effect of the glaze layer and can better ensure the wear resistance of the glaze layer.
Preferably, the blank comprises, by weight, 45-55 parts of clay, 5-8 parts of bauxite, 8-12 parts of flint clay, 8-10 parts of calcium carbonate, 3-5 parts of talcum and 7-13 parts of cellulose ether. The light green body formula provided by the application can be fired into a porous green body material, has small density, is convenient to be used as a curtain wall for installation, has higher flexural strength, and is safe and difficult to damage during installation.
Preferably, the self-cleaning dry hanging silicon ceramic plate curtain wall is prepared by the following steps:
1) Respectively weighing raw materials of the glaze layer and the green body according to parts by weight, respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer and the green body to obtain glaze layer mixed powder and green body mixed powder;
2) Pressing the green body mixed powder to form, and then firing to form at 1000-1200 ℃ to obtain a green body;
3) Transferring all the glaze mixed powder into a smelting furnace with an induction coil, and heating the smelting furnace to melt the materials; pouring the melted materials into a glaze block mold and cooling to obtain glaze frit;
4) Pulverizing frit of glaze, mixing with adjuvants, applying onto the blank, and sintering in kiln.
Since the glaze material of the present application contains raw materials such as glass fiber, polytetrafluoroethylene wax powder and metal which are not easily fused with other materials, the application has a difficulty in effectively bonding the materials of the glaze material. The traditional glaze heating mode is to directly heat by utilizing the high temperature in a kiln, the heat conduction of the heating mode is from outside to inside, and most of the glaze can be melted after the iron is melted, so that the effective combination of refractory matters such as iron powder and the like in the glaze layer can not be ensured. The application uses a smelting furnace with an induction coil to melt the glaze, and zinc and iron metals in the glaze are subjected to electromagnetic induction heating and serve as heat sources which are uniformly dispersed to heat and melt other raw materials. Because the heating mode of the application is that the raw materials are used as heat sources, the glass fibers and the polytetrafluoroethylene wax powder in the glaze can be well fused with other materials, and the formed glaze frit is more compact and has higher strength.
The electromagnetic induction capability of iron is good, and a proper amount of zinc is added to form a state similar to zinc-iron alloy, so that the melting point can be reduced, and the melting can be effectively accelerated; meanwhile, the zinc-iron alloy has good adhesiveness, can be firmly combined with other materials in the glaze, and ensures the strength of the glaze layer.
Preferably, the particle size of the glaze mixed powder is 50-180 meshes, and the particle size of the green body mixed powder is 100-200 meshes. The particle size of the particles in the application is selected by considering the heating and melting rate of materials in the traditional sintering and the heating efficiency when the metal raw materials are used as a heat source. The preferred particle size not only ensures the fusion bonding strength of the materials, but also ensures the heating efficiency.
Preferably, the smelting furnace with the induction coil is an intermediate frequency smelting furnace. The medium-frequency smelting furnace can meet the technological requirements of heating by electromagnetic induction of metal materials.
Preferably, the intermediate frequency smelting furnace uses a frequency converter to frequency-modulate to 2.5 kHz-5 kHz, and the heating time is 6-9 hours. The metal powder in the glaze can generate heat more quickly under the preferable electromagnetic induction frequency, so that all the glaze is melted in the heating time, and the flowing state required by pouring the melt is achieved.
Preferably, the glaze block mold is a sand mold, and casting grooves with the thickness of 50mm multiplied by 5mm are arranged in the sand mold.
Preferably, the auxiliary materials are kaolin and a colorant.
Preferably, the frit of the glaze is crushed, and the mass ratio of the kaolin to the pigment is 70-85: 0-10: 0-1. When the glaze frit is used, a proper amount of kaolin, a colorant and the like can be added, so that the good self-cleaning performance and physical performance of the glaze layer can be maintained.
Compared with the prior art, the self-cleaning dry-hanging silicon porcelain plate curtain wall has the following beneficial effects: the application completely introduces the oxide material of the glass fiber, and the synthesized glaze has better compactness, fewer micropores and easier cleaning of pollutants. Polytetrafluoroethylene wax powder is added into the glaze, and the non-adhesion property of the polytetrafluoroethylene wax powder is utilized, so that the surface of the prepared glaze is not easy to adsorb water-based and oil-based pollutants. In addition, zinc and iron metal elements in the glaze can conduct static electricity well, reduce charge adsorption, and effectively reduce ash hanging when the glaze is used as a curtain wall.
The application uses a smelting furnace with an induction coil to melt the glaze, and zinc and iron metals in the glaze are subjected to electromagnetic induction heating and serve as heat sources which are uniformly dispersed to heat and melt other raw materials. Because the heating mode of the application is that the raw materials are used as heat sources, the glass fibers and the polytetrafluoroethylene wax powder in the glaze can be well fused with other materials, and the formed glaze frit is more compact and has higher strength.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The application will be further described with reference to specific examples, of which example 1 is the best practice.
Example 1
1) The frit of the glaze comprises the following components in parts by weight: 69 parts of celtis, 7.5 parts of zinc borate, 22.5 parts of calcite, 5.5 parts of glass fiber, 22.5 parts of alumina, 7 parts of polytetrafluoroethylene wax powder, 4.5 parts of zinc powder and 9 parts of iron powder. The blank comprises the following components in parts by weight: 50 parts of clay, 6.5 parts of bauxite, 10 parts of flint clay, 9 parts of calcium carbonate, 4 parts of talcum and 10 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 50 meshes, the particle size of other original particles is 160-180 meshes, and the particle size of the green body mixed powder is 180-200 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1200 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a medium-frequency smelting furnace, using a frequency converter to regulate the frequency to 4kHz, and heating the smelting furnace to melt the materials for 8 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing frit of glaze, kaolin and a colorant according to the mass ratio of 80:8:1, after being mixed uniformly, the mixture is applied to a green body and then transferred into a kiln for firing, and a multi-piece curtain wall sample is prepared.
Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 50 meshes, the particle size of other original particles is 160-180 meshes, and the particle size of the green body mixed powder is 180-200 meshes.
Example 2
1) The frit of the glaze comprises the following components in parts by weight: 67 parts of celsian, 8 parts of zinc borate, 22 parts of calcite, 6 parts of glass fiber, 22 parts of alumina, 7.5 parts of polytetrafluoroethylene wax powder, 4 parts of zinc powder and 10 parts of iron powder. The blank comprises the following components in parts by weight: 47 parts of clay, 7 parts of bauxite, 9 parts of flint clay, 8.5 parts of calcium carbonate, 4.5 parts of talcum and 11 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 50 meshes, the particle size of other original particles is 160-180 meshes, and the particle size of the green body mixed powder is 100-120 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1200 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a medium-frequency smelting furnace, using a frequency converter to regulate the frequency to 4kHz, and heating the smelting furnace to melt the materials for 8 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing frit of glaze, kaolin and a colorant according to the mass ratio of 80:8:1, after being mixed uniformly, the mixture is applied to a green body and then transferred into a kiln for firing, and a multi-piece curtain wall sample is prepared.
Example 3
1) The frit of the glaze comprises the following components in parts by weight: 67 parts of celsian, 8 parts of zinc borate, 22 parts of calcite, 6 parts of glass fiber, 22 parts of alumina, 7.5 parts of polytetrafluoroethylene wax powder, 4 parts of zinc powder and 10 parts of iron powder. The blank comprises the following components in parts by weight: 47 parts of clay, 7 parts of bauxite, 9 parts of flint clay, 8.5 parts of calcium carbonate, 4.5 parts of talcum and 11 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 50 meshes, the particle size of other original particles is 160-180 meshes, and the particle size of the green body mixed powder is 100-120 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1000 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a medium-frequency smelting furnace, using a frequency converter to regulate the frequency to 3.5kHz, and heating the smelting furnace to melt the materials for 8 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing frit of glaze, kaolin and a colorant according to the mass ratio of 80:8:1, after being mixed uniformly, the mixture is applied to a green body and then transferred into a kiln for firing, and a multi-piece curtain wall sample is prepared.
Example 4
1) The frit of the glaze comprises the following components in parts by weight: 71 parts of celsian, 7 parts of zinc borate, 23 parts of calcite, 5 parts of glass fiber, 23 parts of alumina, 6.5 parts of polytetrafluoroethylene wax powder, 5 parts of zinc powder and 8 parts of iron powder. The blank comprises the following components in parts by weight: 52 parts of clay, 6 parts of bauxite, 11 parts of flint clay, 9.5 parts of calcium carbonate, 3.5 parts of talcum and 8 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 60 meshes, the particle size of other original particles is 150-160 meshes, and the particle size of the green body mixed powder is 160-180 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1200 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a medium-frequency smelting furnace, using a frequency converter to regulate the frequency to 4kHz, and heating the smelting furnace to melt the materials for 8 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing frit of glaze, kaolin and a colorant according to the mass ratio of 80:8:1, after being mixed uniformly, the mixture is applied to a green body and then transferred into a kiln for firing, and a multi-piece curtain wall sample is prepared.
Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 50 meshes, the particle size of other original particles is 160-180 meshes, and the particle size of the green body mixed powder is 180-200 meshes.
Example 5
1) The frit of the glaze comprises the following components in parts by weight: 71 parts of celsian, 7 parts of zinc borate, 23 parts of calcite, 5 parts of glass fiber, 23 parts of alumina, 6.5 parts of polytetrafluoroethylene wax powder, 5 parts of zinc powder and 8 parts of iron powder. The blank comprises the following components in parts by weight: 52 parts of clay, 6 parts of bauxite, 11 parts of flint clay, 9.5 parts of calcium carbonate, 3.5 parts of talcum and 8 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 60 meshes, the particle size of other original particles is 150-160 meshes, and the particle size of the green body mixed powder is 160-180 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1100 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a medium-frequency smelting furnace, using a frequency converter to regulate the frequency to 4.5kHz, and heating the smelting furnace to melt the materials for 7 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing frit of glaze, kaolin and a colorant according to the mass ratio of 80:8:1, after being mixed uniformly, the mixture is applied to a green body and then transferred into a kiln for firing, and a multi-piece curtain wall sample is prepared.
Example 6
1) The frit of the glaze comprises the following components in parts by weight: 62 parts of celsian, 10 parts of zinc borate, 20 parts of calcite, 7 parts of glass fiber, 20 parts of alumina, 9 parts of polytetrafluoroethylene wax powder, 3 parts of zinc powder and 12 parts of iron powder. The blank comprises the following components in parts by weight: 45 parts of clay, 8 parts of bauxite, 8 parts of flint clay, 10 parts of calcium carbonate, 3 parts of talcum and 13 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 80 meshes, the particle size of other original particles is 120-140 meshes, and the particle size of the green body mixed powder is 100-120 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1000 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a medium-frequency smelting furnace, using a frequency converter to regulate the frequency to 2.5kHz, and heating the smelting furnace to melt the materials for 9 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing glaze frit and kaolin according to the mass ratio of 70: and 10, uniformly mixing the materials, applying the materials on a green body, and transferring the green body into a kiln to fire to obtain a multi-piece curtain wall sample.
Example 7
1) The frit of the glaze comprises the following components in parts by weight: 75 parts of celsian, 5 parts of zinc borate, 25 parts of calcite, 3 parts of glass fiber, 25 parts of alumina, 5 parts of polytetrafluoroethylene wax powder, 6 parts of zinc powder and 6 parts of iron powder. The blank comprises the following components in parts by weight: 55 parts of clay, 5 parts of bauxite, 12 parts of flint clay, 8 parts of calcium carbonate, 5 parts of talcum and 13 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 70 meshes, the particle size of other original particles is 150-180 meshes, and the particle size of the green body mixed powder is 170-200 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1200 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a medium-frequency smelting furnace, using a frequency converter to regulate the frequency to 5kHz, and heating the smelting furnace to melt the materials for 6 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing frit of glaze, kaolin and a colorant according to the mass ratio of 85:6:1, after being mixed uniformly, the mixture is applied to a green body and then transferred into a kiln for firing, and a multi-piece curtain wall sample is prepared.
Comparative example 1
1) The frit of the glaze comprises the following components in parts by weight: 69 parts of celtis, 7.5 parts of zinc borate, 22.5 parts of calcite, 22.5 parts of alumina, 7 parts of polytetrafluoroethylene wax powder, 4.5 parts of zinc powder and 9 parts of iron powder. The blank comprises the following components in parts by weight: 50 parts of clay, 6.5 parts of bauxite, 10 parts of flint clay, 9 parts of calcium carbonate, 4 parts of talcum and 10 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 50 meshes, the particle size of other original particles is 160-180 meshes, and the particle size of the green body mixed powder is 180-200 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1200 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a medium-frequency smelting furnace, using a frequency converter to regulate the frequency to 4kHz, and heating the smelting furnace to melt the materials for 8 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing frit of glaze, kaolin and a colorant according to the mass ratio of 80:8:1, after being mixed uniformly, the mixture is applied to a green body and then transferred into a kiln for firing, and a multi-piece curtain wall sample is prepared.
Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 50 meshes, the particle size of other original particles is 160-180 meshes, and the particle size of the green body mixed powder is 180-200 meshes.
Comparative example 2
1) The frit of the glaze comprises the following components in parts by weight: 69 parts of celsian, 7.5 parts of zinc borate, 22.5 parts of calcite, 5.5 parts of glass fiber, 22.5 parts of alumina, 4.5 parts of zinc powder and 9 parts of iron powder. The blank comprises the following components in parts by weight: 50 parts of clay, 6.5 parts of bauxite, 10 parts of flint clay, 9 parts of calcium carbonate, 4 parts of talcum and 10 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of zinc powder and iron powder in the glaze mixed powder is 50 meshes, the particle size of other original particles is 160-180 meshes, and the particle size of the green body mixed powder is 180-200 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1200 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a medium-frequency smelting furnace, using a frequency converter to regulate the frequency to 4kHz, and heating the smelting furnace to melt the materials for 8 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing frit of glaze, kaolin and a colorant according to the mass ratio of 80:8:1, after being mixed uniformly, the mixture is applied to a green body and then transferred into a kiln for firing, and a multi-piece curtain wall sample is prepared.
Comparative example 3
1) The frit of the glaze comprises the following components in parts by weight: 69 parts of celtis, 7.5 parts of zinc borate, 22.5 parts of calcite, 5.5 parts of glass fiber, 22.5 parts of alumina and 7 parts of polytetrafluoroethylene wax powder. The blank comprises the following components in parts by weight: 50 parts of clay, 6.5 parts of bauxite, 10 parts of flint clay, 9 parts of calcium carbonate, 4 parts of talcum and 10 parts of cellulose ether. Respectively adding the raw materials into a pulverizer to obtain raw material powder, and respectively mixing the glaze layer with the green body to obtain glaze layer mixed powder and green body mixed powder; the particle size of the glaze mixed powder is 160-180 meshes, and the particle size of the green body mixed powder is 180-200 meshes.
2) And (3) after the green body mixed powder is pressed and molded, sintering and molding are carried out at 1200 ℃ to obtain a green body.
3) Transferring all the glaze mixed powder into a smelting furnace, heating to 1500 ℃ to melt the materials in the smelting furnace, wherein the heating time is 8 hours; the molten mass was poured into sand molds and cooled to produce 50mm×50mm×5mm frit.
4) Crushing frit of glaze, kaolin and a colorant according to the mass ratio of 80:8:1, after being mixed uniformly, the mixture is applied to a green body and then transferred into a kiln for firing, and a multi-piece curtain wall sample is prepared.
The prepared self-cleaning ceramic tile was tested according to GB/T3810-2016 method for testing ceramic tiles (stain resistance grade was tested according to GB/T3810.14-2016.
The household chemical resistance and swimming pool salt corrosion grade are detected according to GB/T3810.13-2016; the breaking strength was measured according to GB/T3810.4-2016.
And (3) performing a friction and wear test on an MMS-1G high-speed pin disc friction and wear testing machine, recording the wear amount, and performing a performance test. The stain resistance grade after abrasion is that the stain resistance grade of the sample subjected to the abrasion test is detected.
The test results of each example are shown in table 1.
Table 1 ceramic tile performance test results
The above description is only a preferred embodiment of the present application, and is not intended to limit the application in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present application still fall within the protection scope of the technical solution of the present application.

Claims (8)

1. The self-cleaning dry-hanging silicon porcelain plate curtain wall comprises a green body and a glaze layer, and is characterized in that the glaze layer comprises the following components in parts by weight: 62-75 parts of celsian, 5-10 parts of zinc borate, 20-25 parts of calcite, 3-7 parts of glass fiber, 20-25 parts of aluminum oxide, 5-9 parts of polytetrafluoroethylene wax powder, 3-6 parts of zinc powder and 6-12 parts of iron powder.
2. The self-cleaning dry-hanging silicon porcelain plate curtain wall according to claim 1, wherein: the glaze layer comprises the following components in parts by weight: 67-71 parts of celsian, 7-8 parts of zinc borate, 22-23 parts of calcite, 5-6 parts of glass fiber, 22-23 parts of aluminum oxide, 6.5-7.5 parts of polytetrafluoroethylene wax powder, 4-5 parts of zinc powder and 8-10 parts of iron powder.
3. The self-cleaning dry-hanging silicon porcelain plate curtain wall according to claim 1, wherein: the blank comprises, by weight, 45-55 parts of clay, 5-8 parts of bauxite, 8-12 parts of flint clay, 8-10 parts of calcium carbonate, 3-5 parts of talcum and 7-13 parts of cellulose ether.
4. The self-cleaning dry-hanging silicon porcelain plate curtain wall according to claim 1, wherein: the preparation method comprises the following steps:
1) Respectively weighing raw materials of a glaze layer and a green body according to parts by weight, respectively adding the raw materials of the glaze layer and the green body into a pulverizer to obtain raw material powder of the glaze layer and raw material powder of the green body, mixing the raw material powder of the glaze layer to obtain glaze layer mixed powder, and mixing the raw material powder of the green body to obtain green body mixed powder;
2) Pressing the green body mixed powder to form, and then firing to form at 1000-1200 ℃ to obtain a green body;
3) Transferring all the glaze mixed powder into a smelting furnace with an induction coil, and heating the smelting furnace to melt the materials; pouring the melted materials into a glaze block mold and cooling to obtain glaze frit;
4) Crushing glaze frit and uniformly mixing the crushed glaze frit with auxiliary materials, wherein the auxiliary materials are kaolin and a colorant, and the mass ratio of the crushed glaze frit to the kaolin to the colorant is (70-85): 0-10: and (0-1), after being applied to the green body, transferring the green body into a kiln for firing to obtain the ceramic.
5. The self-cleaning dry-hanging silicon porcelain plate curtain wall according to claim 4, wherein: the particle size of the glaze mixed powder is 50-180 meshes, and the particle size of the green body mixed powder is 100-200 meshes.
6. The self-cleaning dry-hanging silicon porcelain plate curtain wall according to claim 4, wherein: the smelting furnace with the induction coil is an intermediate frequency smelting furnace.
7. The self-cleaning dry-hanging silicon porcelain plate curtain wall according to claim 6, wherein: the intermediate frequency smelting furnace uses a frequency converter to frequency to 2.5 kHz-5 kHz, and the heating time is 6-9 hours.
8. The self-cleaning dry-hanging silicon porcelain plate curtain wall according to claim 4, wherein: the glaze block mold is a sand mold, and casting grooves with the thickness of 50mm multiplied by 5mm are distributed in the sand mold.
CN202211580514.XA 2022-12-07 2022-12-07 Self-cleaning dry-hanging silicon porcelain plate curtain wall Active CN115849868B (en)

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