阅读说明：本技术 一种细腻柔和哑光黑砖及其制备方法 (Fine, soft and matte black brick and preparation method thereof ) 是由 关润淡 关伟洪 关伟铿 段锦霞 梁耀联 张庆刚 廉光 赵令逸 黄建忠 李焰红 莫 于 2019-09-17 设计创作，主要内容包括：本发明公开了一种细腻柔和哑光黑砖,从下往上包括素坯层、底釉层、哑光釉层和黑花釉层,其制备方法包括以下步骤：(1)将粉料压制成素坯,并在100~200℃下对素坯进行烘干,烘干时间为1~1.5小时；(2)清扫素坯表面,并在素坯表面喷水使素坯表面湿润；(3)在素坯表面施加底釉；(4)在底釉上施加哑光釉；(5)使用丝网印刷黑花釉；(6)把步骤(5)的素坯入窑烧制,温度为1155℃~1165℃,烧制时间为60~80分钟。本申请制得的黑砖砖形规整,烧制过程中不易变形,黑色釉面发色纯正,釉面耐磨、防污、硬度高,且整体呈现出细腻柔和的哑光光泽,砖面表面能够展现不同纹理图案的黑色效果,显得更有质感,填补了市场上高质量纯黑哑光砖的空白。(The invention discloses a fine and soft matte black brick which comprises a biscuit layer, a ground glaze layer, a matte glaze layer and a black fancy glaze layer from bottom to top, wherein the preparation method comprises the following steps of (1) pressing powder into a biscuit, drying the biscuit at 100 ~ ℃ for 1 ~.5 hours, (2) cleaning the surface of the biscuit, spraying water on the surface of the biscuit to moisten the surface of the biscuit, (3) applying the ground glaze on the surface of the biscuit, (4) applying the matte glaze on the ground glaze, (5) using screen printing to print the black fancy glaze, (6) putting the biscuit in a kiln for firing at 1155 ℃ of 631165 ℃ for 60 ~ minutes, wherein the temperature of the biscuit is 631165 ℃, the firing time is 60 ~ minutes.)

1. A preparation method of a fine, soft and matte black brick is characterized by comprising the following steps of (1) pressing powder into a biscuit, drying the biscuit at 100 ~ 200 ℃ for 1 ~ 1.5.5 hours, (2) cleaning the surface of the biscuit, spraying water on the surface of the biscuit to wet the surface of the biscuit, (3) applying a base coat on the surface of the biscuit, (4) applying a matte glaze on the base coat, (5) using screen printing black-flower glaze, and (6) putting the biscuit obtained in the step (5) into a kiln for firing at 1155 ℃ to ~ 1165 ℃ for 60 ~ 80 minutes.

2. The preparation method of the fine soft matte black brick according to claim 1, wherein the silk screen used in the step (5) is a 140-mesh pattern screen.

3. The method for preparing the smooth and soft matte black brick according to claim 2, wherein the pattern screens with different patterns are used for continuous superposition printing in the step (5).

4. A fine soft matte black brick is characterized by comprising a blank layer, a bottom glaze layer, a matte glaze layer and a black fancy glaze layer from bottom to top, wherein the bottom glaze used in the bottom glaze layer comprises, by weight, 10 ~ 15 parts of quartz, 13 ~ 18 parts of nepheline, 30 ~ 40 parts of potassium feldspar, 5 ~ 10 parts of air knife soil, 5 ~ 10 parts of calcined kaolin, 15 ~ 20 parts of calcined alumina powder, 1 ~ 3 parts of calcined talc, 0.1 ~ 0.4 part of methyl cellulose, 0.3 ~ 0.6.6 parts of sodium tripolyphosphate, 5 ~ 12 parts of zirconium silicate and 38 ~ 45 parts of water.

5. The fine soft matte black brick according to claim 4, wherein the ground glaze is prepared by adding the raw materials into a ball mill according to parts, ball-milling for 6 ~ 8 hours until the fineness is 325 meshes, the screen residue is 0.7% to ~ 1.0.0%, the specific gravity is 1.88 ~ 1.95.95 g/ml, the flow rate is 70 ~ 90 seconds, and removing iron and sieving with 140 meshes when discharging slurry from the ball mill.

6. The smooth and soft matte black brick according to claim 4, wherein the matte glaze layer uses a matte glaze comprising, by weight, 30 ~ 40 parts of potassium feldspar, 10 ~ 20 parts of burnt talc, 8 ~ 15 parts of calcite, 1 ~ 5 parts of quartz, 6 ~ 11 parts of barium carbonate, 3 ~ 8 parts of calcined alumina, 5 ~ 10 parts of air knife soil, 2 ~ 6 parts of zinc oxide, 0.1 ~ 0.4.4 parts of methyl cellulose, 0.3 ~ 0.6.6 parts of sodium tripolyphosphate and 38 ~ 45 parts of water.

7. The fine soft matte black brick according to claim 6, wherein the matte glaze is prepared by adding the raw materials into a ball mill according to parts, ball-milling for 6 ~ 8 hours until the fineness is 325 meshes, the screen residue is 0.3% to ~ 0.6.6%, the specific gravity is 1.88 ~ 1.95.95 g/ml, the flow rate is 70 ~ 90 seconds, and removing iron and sieving with 140 meshes when discharging slurry from the ball mill.

8. The smooth and soft matte black brick according to claim 4, wherein the black glaze used in the black glaze layer comprises 30 ~ 40 parts by weight of potassium feldspar, 10 ~ 20 parts by weight of calcined talc, 8 ~ 15 parts by weight of calcite, 1 ~ 5 parts by weight of quartz, 5 ~ 12 parts by weight of barium carbonate, 3 ~ 8 parts by weight of calcined alumina, 4 ~ 11 parts by weight of air knife soil, 2 ~ 6 parts by weight of zinc oxide, 10 ~ 15 parts by weight of cobalt black, 0 ~ 3 parts by weight of cobalt blue, 0.3 ~ 0.6.6 parts by weight of sodium tripolyphosphate, 100 ~ 150 parts by weight of printing paste and 30 ~ 50 parts by weight of water.

9. The fine soft matte black brick according to claim 8, wherein the black fancy glaze is prepared by adding the raw materials into a ball mill according to parts, ball-milling for 6 ~ 8 hours until the fineness is 325 meshes, the screen residue is less than 0.1%, the specific gravity is 1.3 ~ 1.45g/ml, the flow rate is 70 ~ 90 seconds, and sieving with a 140-mesh sieve during discharging from the ball mill.

Technical Field

The invention relates to the technical field of ceramic tile preparation, in particular to a fine, smooth, soft and matte black brick and a preparation method thereof.

Background

With the rapid development of economy and the continuous improvement of the living standard of people, the requirements of consumers of the pure black bricks on the ceramic bricks are diversified. In the existing ceramic tile production process, as the problems of impure color, more white dots, more pores, difficult control of tile shapes and the like easily occur during production, the rejection rate is high, most manufacturers on the market are difficult or unwilling to produce black tiles, and the selection surface of consumers when selecting black tiles is very limited. Aiming at the demand market of black bricks, a small number of manufacturers try to produce some black bricks of black series, but only some polished black bricks with bright surfaces or antique black bricks with rough surfaces can be produced, and the texture, the color and the quality of the black bricks cannot completely meet the requirements of consumers. In particular to a fine and soft matte black brick, which is almost not available in the market.

Accordingly, the prior art is in need of improvement and development.

Disclosure of Invention

The invention aims to provide a fine and soft matte black brick and a preparation method thereof, and aims to solve the technical problem that the fine and soft matte black brick is hardly available in the market.

The technical scheme of the invention is as follows:

A preparation method of a fine, soft and matte black brick comprises the following steps:

(1) Pressing the powder into a biscuit, and drying the biscuit at 100 ~ 200 ℃ for 1 ~ 1.5.5 hours;

(2) Cleaning the surface of the biscuit, and spraying water on the surface of the biscuit to wet the surface of the biscuit;

(3) Applying a base coat on the surface of the biscuit;

(4) Applying a matte glaze on the ground glaze;

(5) screen printing of black fancy glaze;

(6) And (3) firing the biscuit in the step (5) in a kiln at 1155 ℃ and ~ 1165 ℃ for 60 ~ 80 minutes.

The preparation method of the fine, soft and matte black brick is characterized in that the silk screen used in the step (5) is a 140-mesh pattern screen printing plate.

The preparation method of the fine, smooth, soft and matte black brick comprises the step (5) of continuously superposing and printing by using pattern screens with different patterns.

A fine soft matte black brick comprises a plain blank layer, a ground glaze layer, a matte glaze layer and a black fancy glaze layer from bottom to top, wherein the ground glaze used in the ground glaze layer comprises, by weight, 10 ~ 15 parts of quartz, 13 ~ 18 parts of nepheline, 30 ~ 40 parts of potassium feldspar, 5 ~ 10 parts of air-knife soil, 5 ~ 10 parts of calcined kaolin, 15 ~ 20 parts of calcined alumina powder, 1 ~ 3 parts of calcined talc, 0.1 ~ 0.4 parts of methyl cellulose, 0.3 ~ 0.6.6 parts of sodium tripolyphosphate, 5 ~ 12 parts of zirconium silicate and 38 ~ 45 parts of water.

The preparation method of the fine soft matte black brick comprises the steps of adding the raw materials into a ball mill according to parts, carrying out ball milling for 6 ~ 8 hours until the fineness is 325 meshes, the screen residue is 0.7 percent, ~ 1.0.0 percent, the specific gravity is 1.88 ~ 1.95.95 g/ml, the flow rate is 70 ~ 90 seconds, carrying out iron removal operation when discharging slurry from the ball mill, and sieving the slurry by a 140-mesh sieve.

the fine soft matte black brick comprises, by weight, 30 ~ 40 parts of potash feldspar, 10 ~ 20 parts of calcined talc, 8 ~ 15 parts of calcite, 1 ~ 5 parts of quartz, 6 ~ 11 parts of barium carbonate, 3 ~ 8 parts of calcined alumina, 5 ~ 10 parts of air knife soil, 2 ~ 6 parts of zinc oxide, 0.1 ~ 0.4.4 parts of methyl cellulose, 0.3 ~ 0.6.6 parts of sodium tripolyphosphate and 38 ~ 45 parts of water, wherein the matte glaze used for the matte glaze layer.

The preparation method of the fine soft matte black brick comprises the steps of adding the raw materials into a ball mill according to parts, carrying out ball milling for 6 ~ 8 hours until the fineness is 325 meshes, the screen residue is 0.3 percent, ~ 0.6.6 percent, the specific gravity is 1.88 ~ 1.95.95 g/ml, the flow rate is 70 ~ 90 seconds, carrying out iron removal operation when slurry is discharged from the ball mill, and sieving the slurry by a 140-mesh sieve.

The smooth, soft and matte black brick comprises, by weight, 30 ~ 40 parts of potassium feldspar, 10 ~ 20 parts of calcined talc, 8 ~ 15 parts of calcite, 1 ~ 5 parts of quartz, 5 ~ 12 parts of barium carbonate, 3 ~ 8 parts of calcined alumina, 4 ~ 11 parts of air knife soil, 2 ~ 6 parts of zinc oxide, 10 ~ 15 parts of cobalt black, 0 ~ 3 part of cobalt blue, 0.3 ~ 0.6, 0.6 part of sodium tripolyphosphate, 100 ~ 150 parts of printing paste and 30 ~ 50 parts of water, wherein the black glaze used in the black glaze layer is prepared from, by weight, 30 3640 parts of potassium feldspar, 10 6320 parts of calcined talc, 8 ~ parts of calcite, 1 ~ parts of quartz, 5 ~ parts of barium carbonate, 3 ~.

The preparation method of the fine, soft and matte black brick comprises the steps of adding the raw materials into a ball mill according to parts, carrying out ball milling for 6 ~ 8 hours until the fineness is 325 meshes, the screen residue is less than 0.1%, the specific gravity is 1.3 ~ 1.45.45 g/ml, the flow rate is 70 ~ 90 seconds, and sieving through a 140-mesh sieve during slurry discharge from the ball mill.

Has the advantages that:

The application provides a formula of a fine and soft matte black brick and a preparation method thereof, and provides an invention concept of 'glazing color', so that the prepared black brick has a regular brick shape, is not easy to deform in a firing process, has pure color of a black glaze surface, is wear-resistant, antifouling and high in hardness, presents fine and soft matte luster integrally, can present black effects of different texture patterns on the surface of the brick surface, is more textured, fills the blank of high-quality pure black matte bricks in the market, and can meet the requirements of consumers on pure black matte bricks.

Detailed Description

The technical solution of the present invention is further illustrated by the following preferred examples.