阅读说明：本技术 一种高稳定性琉璃瓦的制备方法 (Preparation method of high-stability glazed tile ) 是由 余涛 于 2019-09-24 设计创作，主要内容包括：本发明公开了一种高稳定性琉璃瓦的制备方法,包括如下步骤：S1、物料A称取；S2、物料B称取；S3、物料C称取；S4、釉浆制备；S5、复合微粉制备；S6、坯体制备；S7、微波处理；S8、素坯体制备；S9、电晕处理；S10、成品琉璃瓦制备。本发明琉璃瓦的制备方法整体工艺相对简单,各步骤搭配合理,利于推广应用,制得的琉璃瓦耐腐性强、力学性能好、拒水能力佳、又具有耐磨耐污染的特性。(The invention discloses a preparation method of a high-stability glazed tile, which comprises the following steps: s1, weighing the material A; s2, weighing the material B; s3, weighing the material C; s4, preparing glaze slip; s5, preparing composite micro powder; s6, preparing a blank; s7, microwave treatment; s8, preparing a biscuit; s9, corona treatment; s10, preparing finished glazed tiles. The preparation method of the glazed tile has the advantages of relatively simple overall process, reasonable matching of the steps, and contribution to popularization and application, and the prepared glazed tile has the characteristics of strong corrosion resistance, good mechanical property, good water repellency, wear resistance and pollution resistance.)

1. The preparation method of the high-stability glazed tile is characterized by comprising the following steps of:

s1, weighing the material A according to the corresponding weight parts for later use, namely 100 ~ 120 parts of black soil, 10 ~ 13 parts of kaolin, 8 ~ 10 parts of coal gangue, 12 ~ 15 parts of purple sand, 7 ~ 10 parts of phenolic resin, 3 ~ 5 parts of sodium carboxymethylcellulose, 3 ~ 5 parts of glass fiber, 1 ~ 2 parts of zinc stearate and 1 ~ 2 parts of lanthanum nitrate;

s2, weighing the material B according to the corresponding weight parts, namely 15 ~ 20 parts of alumina, 45 ~ 50 parts of silicon oxide, 5 ~ 8 parts of zirconia, 3 ~ 6 parts of titanium oxide, 2 ~ 5 parts of silane coupling agent, 1 ~ 3 parts of gelatin and 4 ~ 7 parts of basalt fiber for later use;

s3, weighing a material C according to the corresponding weight parts, namely 10 ~ 12 parts of potassium feldspar powder, 8 ~ 10 parts of kaolin, 50 ~ 55 parts of vanadium-zirconium blue pigment, 3 ~ 6 parts of titanium dioxide, 1 ~ 4 parts of sodium tetraborate decahydrate, 2 ~ 5 parts of barium carbonate and 4 ~ 7 parts of polytetrafluoroethylene for later use;

s4, putting the materials C weighed in the step S3 into a high-temperature frit furnace together for melting treatment, taking out after 2 ~ 3h, putting into a ball mill for ball milling treatment, and taking out after 1 ~ 2h to obtain glaze slurry for later use;

s5, mixing the materials B weighed in the step S2 together, putting the mixture into a stirring tank, uniformly stirring, putting the mixture into a sintering furnace, firing, extracting, and performing water quenching and screening to obtain composite micro powder for later use;

s6, putting the material A weighed in the step S1 into a ball mill together for wet ball milling until the material A is 200 meshes, dehydrating the sieved slurry into a mud cake, aging for 3 ~ 5 days, and then performing static pressure forming to obtain a blank for later use;

s7, placing the blank prepared in the step S6 into a microwave irradiation box for microwave treatment, and taking out for later use after 30 ~ 35 min;

s8, uniformly spraying the composite micro powder prepared in the step S5 on the green body processed in the step S7, then performing compression molding, and finally sending the green body into a high-temperature kiln for biscuit firing for later use;

s9, placing the biscuit body prepared in the step S8 into a corona discharge instrument for corona treatment, and taking out for later use after 2 ~ 3 min;

s10, coating the glaze slip prepared in the step S4 on the surface of the biscuit processed in the step S9, then placing the biscuit into a high-temperature kiln for high-temperature firing, taking out the biscuit after the firing, and cooling, polishing and quality inspection to obtain the finished glazed tile.

2. The method as claimed in claim 1, wherein the silane coupling agent in step S2 is any one of silane coupling agent kh550, silane coupling agent kh560 and silane coupling agent kh 570.

3. The method for preparing a high-stability glazed tile according to claim 1, wherein the temperature in the high-temperature fritting furnace is kept at 1300 ~ 1380 ℃ during the melting treatment in step S4, the corresponding mass ratio of the materials C, the balls and the water in the ball mill is controlled to be 1: 1.5: 0.8 through the ball milling treatment, and the mass ratio of the glaze slurry fineness of 300 meshes is controlled to be 0.1 ~ 0.3.3%.

4. The method for preparing a high-stability glazed tile according to claim 1, wherein the firing treatment in step S5 is carried out by controlling the temperature in the sintering furnace to 1400 ~ 1450 ℃, the water quenching treatment is carried out by introducing the sintered glass melt into water for water quenching treatment, the screening is carried out by screening the water quenched slag into particles, and the screened slag particles with particle size not greater than 5mm are composite micro powder.

5. The method as claimed in claim 1, wherein the fineness of the wet ball milled granules in step S6 is controlled to be 0.2 ~ 0.4.4% by weight of 200 mesh.

6. The method as claimed in claim 1, wherein the irradiation power in the microwave irradiation chamber is controlled to be 800 ~ 900W during the microwave treatment in step S7.

7. The method for preparing high-stability glazed tile according to claim 1, wherein the temperature in the high-temperature kiln is controlled to 850 ~ 900 ℃ during the biscuit firing in step S8, and the duration is controlled to 1 ~ 1.5.5 h.

8. The method for preparing a high-stability glazed tile according to claim 1, wherein the voltage in the corona discharge instrument is controlled to be 10 ~ 14kV during the corona treatment in step S9.

9. The method for preparing high-stability glazed tile according to claim 1, wherein the high temperature firing in step S10 controls the temperature in the high temperature kiln to be 1200 ~ 1260 ℃.

Technical Field

The invention belongs to the technical field of glazed tile processing, and particularly relates to a preparation method of a high-stability glazed tile.

Background

The glazed tile has been used as traditional building article in China due to its firm material, bright color and smooth glaze color, and has been widely used in modern buildings due to its development and improved quality.

The existing glazed tiles are generally formed by mixing and firing a plurality of pug materials, and the glaze layer of the existing glazed tiles is generally thick and generates stress, and has heavy mass, so that the defects of cracking and peeling of the glaze surface of the product are easily caused. The color-changing glaze is not smooth enough, smooth and flat enough, easy to cause pollution in the production process of pug, high in cost and energy consumption, unstable in product quality, insufficient in glaze glossiness, insufficient and stable in color generation, and easy to fade in climate-variable areas or under long-time sunlight irradiation. If the application number is: 201410516967.5 discloses a glazed tile glaze, which has a large application amount and a too high water absorption rate, and is not beneficial to the improvement of the quality of glazed tiles.

The glass ceramic composite brick is a facing material for building decoration, which is formed by compounding glass ceramic and a ceramic substrate. The application numbers are: 200710199034.8 discloses a microcrystal glass-ceramic composite board and its production method. The microcrystalline glass-ceramic composite board is formed by compounding a microcrystalline glass surface layer and a ceramic core layer, wherein the microcrystalline glass comprises the following components in parts by weight: SiO 2₂ 50-68 parts of Al₂O₃ 3 to 10 portions of CaO₂ 0 to 38 parts of, R₂O(Na₂O+K₂O+Li₂O) 3-12 parts, B₂O₃0-3 parts of MgO and 0-12 parts of MgO. The microcrystalline glass ceramic composite brick is developed from the original pure-color variety to the highly-simulated granite natural stone variety, the texture, the pattern and the design and color variety of the microcrystalline glass ceramic composite brick are still monotonous, the in-glaze decoration means is adopted to greatly improve the effect of the simulated stone, but the screen dot problem exists, and a certain distance is provided for achieving the verisimilitude of the simulated natural stone. Present glazed tiles preparation is not only limited to traditional color, and more new varieties are developed, like high emulation granite etc. nevertheless there is not good problems of quality such as intensity, waterproof nature in many existing novel glazed tiles, has caused the not strong problem of market competition.

Disclosure of Invention

The invention aims to provide a preparation method of a glazed tile with high stability aiming at the existing problems.

The invention is realized by the following technical scheme:

a preparation method of high-stability glazed tiles comprises the following steps:

s1, weighing the material A according to the corresponding weight parts for later use, namely 100 ~ 120 parts of black soil, 10 ~ 13 parts of kaolin, 8 ~ 10 parts of coal gangue, 12 ~ 15 parts of purple sand, 7 ~ 10 parts of phenolic resin, 3 ~ 5 parts of sodium carboxymethylcellulose, 3 ~ 5 parts of glass fiber, 1 ~ 2 parts of zinc stearate and 1 ~ 2 parts of lanthanum nitrate;

s2, weighing the material B according to the corresponding weight parts, namely 15 ~ 20 parts of alumina, 45 ~ 50 parts of silicon oxide, 5 ~ 8 parts of zirconia, 3 ~ 6 parts of titanium oxide, 2 ~ 5 parts of silane coupling agent, 1 ~ 3 parts of gelatin and 4 ~ 7 parts of basalt fiber for later use;

s3, weighing a material C according to the corresponding weight parts, namely 10 ~ 12 parts of potassium feldspar powder, 8 ~ 10 parts of kaolin, 50 ~ 55 parts of vanadium-zirconium blue pigment, 3 ~ 6 parts of titanium dioxide, 1 ~ 4 parts of sodium tetraborate decahydrate, 2 ~ 5 parts of barium carbonate and 4 ~ 7 parts of polytetrafluoroethylene for later use;

s4, putting the materials C weighed in the step S3 into a high-temperature frit furnace together for melting treatment, taking out after 2 ~ 3h, putting into a ball mill for ball milling treatment, and taking out after 1 ~ 2h to obtain glaze slurry for later use;

s5, mixing the materials B weighed in the step S2 together, putting the mixture into a stirring tank, uniformly stirring, putting the mixture into a sintering furnace, firing, extracting, and performing water quenching and screening to obtain composite micro powder for later use;

s6, putting the material A weighed in the step S1 into a ball mill together for wet ball milling until the material A is 200 meshes, dehydrating the sieved slurry into a mud cake, aging for 3 ~ 5 days, and then performing static pressure forming to obtain a blank for later use;

s7, placing the blank prepared in the step S6 into a microwave irradiation box for microwave treatment, and taking out for later use after 30 ~ 35 min;

s8, uniformly spraying the composite micro powder prepared in the step S5 on the green body processed in the step S7, then performing compression molding, and finally sending the green body into a high-temperature kiln for biscuit firing for later use;

s9, placing the biscuit body prepared in the step S8 into a corona discharge instrument for corona treatment, and taking out for later use after 2 ~ 3 min;

s10, coating the glaze slip prepared in the step S4 on the surface of the biscuit processed in the step S9, then placing the biscuit into a high-temperature kiln for high-temperature firing, taking out the biscuit after the firing, and cooling, polishing and quality inspection to obtain the finished glazed tile.

Further, the silane coupling agent described in step S2 is any one of a silane coupling agent kh550, a silane coupling agent kh560, and a silane coupling agent kh 570.

Further, the temperature in the high-temperature fritting furnace is kept at 1300 ~ 1380 ℃ during the melting treatment in the step S4, the corresponding mass ratio of the materials C, the balls and the water in the ball mill is controlled to be 1: 1.5: 0.8 through the ball milling treatment, and the mass ratio of the fineness of the glaze slip with 300 meshes is controlled to be 0.1 ~ 0.3.3%.

And further, in the step S5, the temperature in the sintering furnace is controlled to be 1400-1400 ~ 1450 ℃ during the firing treatment, the water quenching treatment is to introduce the glass melt obtained by sintering into water for water quenching treatment, the screening is to screen the crushed slag obtained by water quenching into particles, and the slag particles with the particle size not larger than 5mm are screened to obtain the composite micro powder.

Further, the fineness of the wet ball-milled granules in the step S6 is controlled to be 0.2 ~ 0.4.4% by mass of the residue of 200 meshes.

Further, the irradiation power in the microwave irradiation chamber is controlled to be 800 ~ 900W at the time of the microwave treatment in step S7.

Further, the temperature in the high temperature kiln is controlled to be 850 ~ 900 ℃ and the duration is controlled to be 1 ~ 1.5.5 h in the biscuit firing described in the step S8.

Further, the voltage in the corona discharge instrument is controlled to be 10 ~ 14kV at the time of the corona treatment described in step S9.

Further, the high-temperature firing described in step S10 controls the temperature in the high-temperature kiln to 1200 ~ 1260 ℃.

The invention provides a novel preparation method of a glazed tile, which solves the problems of weak performance, short service life and the like of the traditional method. The method comprises the steps of weighing three raw material components of a material A, a material B and a material C respectively and correspondingly for different functions, processing the raw material components to prepare a blank body, composite micro powder and glaze slurry, wherein the blank body is prepared by mixing various earth materials, the color of a finished glazed tile substrate can be improved by adding purple sandy soil in the preparation of the blank body, the overall cost can be reduced by adding coal gangue, and meanwhile, the effect of enhancing is achieved Strength, waterproofness and the like, in the preparation of the glaze slip, the addition of sodium tetraborate decahydrate, polytetrafluoroethylene and the like improves the adhesion stability, the waterproofness and the like of the glaze slip, and the whole color of the glaze slip is bright; then, during processing, the prepared blank is placed into a microwave irradiation box for microwave treatment, so that on one hand, the effect of further drying is achieved, on the other hand, the surface activity of the blank can be improved by the effect of microwaves, the content of active groups of the blank is enhanced, the bonding and welding of the composite micro powder are facilitated, then the composite micro powder is uniformly sprayed and coated, a layer of polycrystalline micro powder layer is formed under the action of high temperature, the bonding strength between the polycrystalline micro powder layer and the blank is high, and the overall strength and other characteristics are enhanced; and then, carrying out corona treatment on the polycrystalline micropowder layer, introducing a large number of active particles on the surface of the polycrystalline micropowder layer by utilizing the action of a corona field, improving the adhesion of glaze slurry and the bonding capability of granules, enhancing the use stability of the glaze layer, and finally carrying out biscuit firing and high-temperature firing treatment to obtain the finished glazed tile.

Compared with the prior art, the invention has the following advantages:

the preparation method of the glazed tile has the advantages of relatively simple overall process, reasonable matching of the steps, and contribution to popularization and application, and the prepared glazed tile has the characteristics of strong corrosion resistance, good mechanical property, good water repellency, wear resistance and pollution resistance, does not have the problem of screen printing points, and has good popularization and application values.

Detailed Description