Preparation method for raw brick glazed with slip glaze and ceramic tile with smooth glaze
A production method and a brick blank technology, which are applied in the production field of slurried glazed brick blanks and glazed ceramic tiles, can solve problems such as inability to solve the problem of uneven surface of dry-processed powder brick blanks, improve the expressiveness of colors and patterns, enrich the expressiveness, and improve the ceramic tile. quality effect
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Embodiment 1
[0071] A method for producing grouted glazed tiles, comprising steps (1) to (5), specifically as follows:
[0072] (1) The powder produced by the dry method is pressed into an adobe, and the adobe is a green adobe, and the adobe strength is 3Mpa. The moisture content of the adobe is 9%. The formula of the adobe contains 30% bentonite, the maximum pressure for pressing the adobe is 320Mpa, and the strength of the adobe after pressing can reach 3Mpa. Apply mud glaze on the surface of the brick to form a mud glaze layer, and the amount of mud glaze applied is 665g / m 2 , the specific gravity of the slurry glaze is 1.55g / ml, and the slurry glaze is a mixed slurry of slurry and glaze. Slurry glaze is a mixed slurry made of mud and glaze plus water, wherein the weight ratio of glaze to mud is 87:13.
[0073] (2) After the mud glaze layer of the brick adobe is dried to a moisture content of 9%, the adobe is baked with a high-temperature lamp, and then the mud-glazed adobe is thrown a...
Embodiment 2
[0082] The method for producing the slurry glazed brick adobe of the present embodiment and the method for producing the glazed ceramic tile are basically the same as in Example 1, the difference is that:
[0083] In step (1), the brick brick strength is 4Mpa, the moisture content of brick brick is 5%, adds 45% bentonite in the formula of brick brick, the maximum pressure of pressing brick brick is 300Mpa, makes the intensity of brick brick reach 4Mpa, the applying of mud glaze The amount is 950g / m 2 . The specific gravity of the slurry glaze is 1.85g / ml, and the weight ratio of the glaze to the mud is 15:85.
[0084] In step (2), the mud glaze layer is dried to a moisture content of 5%, the throwing thickness is 0.1 mm, and the baking time is 5 minutes. After the baking is completed, the moisture content of the upper 1 / 3 thickness of the mud glazed brick is 4%. The mesh numbers of the three sets of abrasive belts of the abrasive belt throwing machine are 320 mesh, 400 mesh ...
Embodiment 3
[0086] The method for producing the slurry glazed brick adobe of the present embodiment and the method for producing the glazed ceramic tile are basically the same as in Example 1, the difference is that:
[0087] In step (1), the strength of the adobe is 3.5Mpa, and the moisture content of the adobe is 7%. In the process of humidifying and granulating the powder for preparing the adobe, an organic particle reinforcing agent is added in an amount of 0.15%, and the amount of the adobe is pressed. The maximum pressure is 300Mpa, and the applied amount of slurry glaze is 810g / m 2 . The specific gravity of the slurry glaze is 1.75g / ml, and the weight ratio of the glaze to the mud is 64:36.
[0088] In step (2), the mud glaze layer is dried to a moisture content of 7%, the throwing thickness is 0.15 mm, and the baking time of the high-temperature lamp is 6 minutes. After the baking is completed, the moisture content of the upper 1 / 3 thickness of the mud glaze brick is 3%. The me...
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