Humidity-adjusting ceramic brick with high moisture absorption and desorption capacity and preparation method thereof

A technology of ceramic tiles and moisture content, which is applied in the field of architectural ceramics, can solve the problems of uneven humidity control performance and low flexural strength, and achieve the effects of large surface energy, high production efficiency and improved humidity control performance

Active Publication Date: 2021-10-19
FOSHAN OCEANO CERAMICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the humidity-regulating bricks prepared by these patents have the function of humidity-regulating, their humidity-regulating performance is uneven, the moisture absorption is less than 400g / m2, and their flexural strength is generally lower than 10MPa

Method used

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  • Humidity-adjusting ceramic brick with high moisture absorption and desorption capacity and preparation method thereof
  • Humidity-adjusting ceramic brick with high moisture absorption and desorption capacity and preparation method thereof
  • Humidity-adjusting ceramic brick with high moisture absorption and desorption capacity and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A humidity-adjusting ceramic wall tile with high moisture absorption and release capacity includes a body layer and a glaze layer. The green body layer has the following components in terms of raw material weight percentage: 30% fly ash, 30% zeolite, 20% ball clay, 15% borax, 4% fumed white carbon black, 1.0% poly Carboxylic acid sodium salt, the glaze layer includes the following chemical composition by weight percentage: 50% SiO 2 , 4% Al 2 o 3 , 32% B 2 o 3 , 3% Li 2 O, 6% Na 2 O, 2% K 2 O, 3% CaCO 3 .

[0026] Preparation:

[0027] 1) After mixing and stirring the humidity-adjusting raw materials, borax, water and additives, put them in a ball mill and grind them until the fineness is below 0.3, pass the slurry through a 250-mesh sieve, put it into a nano-sand mill, and wet-process high-energy grinding to obtain a D50 greater than 0.2 microns, less than 0.35 microns, ultrafine slurry A with a solid content of 55%;

[0028] 2) Mix and stir the slurry ball ...

Embodiment 2

[0033] A humidity-adjusting ceramic wall tile with high moisture absorption and release capacity includes a body layer and a glaze layer. The green body layer has the following components by weight percentage of raw materials: 80% volcanic ash, 3% ball clay, 13% borax, 2.5% fumed white carbon black, 1.5% fairy water, and the glaze layer is Percentages include the following chemical composition: 35% SiO 2 , 10% Al 2 o 3 , 32% B 2 o 3 , 12% Li 2 O, 6% Na 2 O, 4.5% K 2 O, 0.5% CaCO 3 .

[0034] Preparation:

[0035] 1) After mixing and stirring the humidity-adjusting raw materials, borax, water and additives, put them in a ball mill and grind them until the fineness is below 0.3, pass the slurry through a 250-mesh sieve, put it into a nano-sand mill, and wet-process high-energy grinding to obtain a D50 greater than 0.1 micron, less than 0.2 micron, ultrafine slurry A with a solid content of 50%;

[0036] 2) Mix and stir the slurry ball soil, fumed silica and water, and...

Embodiment 3

[0041]A humidity-adjusting ceramic wall tile with high moisture absorption and release capacity includes a body layer and a glaze layer. The green body layer has the following components in terms of raw material weight percentage: 40% pozzolan, 34% pumice, 14% ball clay, 10% borax, 0.5% fumed white carbon black, 1.0% fairy water and 0.5% % sodium tripolyphosphate, the glaze layer includes the following chemical composition by weight percentage: 45% SiO 2 , 8% Al 2 o 3 , 25% B 2 o 3 , 10% Li 2 O, 6% Na 2 O, 5% K 2 O, 1% CaCO 3 .

[0042] Preparation:

[0043] 1) After mixing and stirring the humidity-adjusting raw materials, borax, water and additives, put them in a ball mill and grind them until the fineness is below 0.3, pass the slurry through a 250-mesh sieve, and put it into a nano-sand mill for wet high-energy grinding to obtain a D50 of less than 0.1 micron, 50% solid content superfine slurry A;

[0044] 2) Mix and stir the slurry ball soil, fumed silica and w...

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Abstract

The invention discloses a ceramic brick with high moisture absorption and desorption capacity. The humidity-adjusting ceramic brick includes a green body layer and a glaze layer, wherein the green body layer is calculated according to the weight percentage of raw materials: 60-80% of humidity-adjusting raw materials, spherical 3-20% of soil, 5-15% of borax, 0.5-4% of fumed white carbon black, 0.3-1.5% of additives, and the glaze layer includes 35-50% SiO by weight 2 , 4 ~ 10% Al 2 o 3 , 18~32%B 2 o 3 , 3 ~ 12% Li 2 O, 6~13%Na 2 O, 2~5% K 2 O, 0.5‑3% CaCO 3 . The present invention performs high-energy wet ball milling on the humidity-regulating ceramic brick slurry, so that the humidity-regulating raw material particles in the slurry become thinner and reveal more nano-scale humidity-regulating holes, thereby preparing abundant nano-holes with humidity-regulating functions The green body significantly improves the humidity-regulating performance of the humidity-regulating ceramic brick; at the same time, the invention also discloses a preparation method of the ceramic brick. .

Description

technical field [0001] The invention relates to the technical field of architectural ceramics, in particular to a humidity-adjusting ceramic tile with high moisture absorption and release capacity and a preparation method thereof. Background technique [0002] Indoor humidity is closely related to human health. In order to adjust indoor humidity and make people live in a suitable humidity environment, humidity control functions and materials with humidity control functions have entered people's field of vision. Humidity control equipment Humidity control is not an ideal way of humidity control because it is a passive humidity control method that requires human subjective intervention and consumes energy during operation. Humidity-regulating ceramics not only have rich decorative functions, but also can actively adjust the humidity in the air according to changes in the humidity in the air, so that the humidity of the indoor air can be kept within the comfortable range of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/16C03C8/00C04B35/622C04B41/86C04B35/626
CPCC03C8/00C04B35/16C04B35/62204C04B35/62615C04B41/5022C04B41/86C04B2235/3409C04B2235/3418C04B2235/349C04B2235/447C04B2235/449C04B41/4535
Inventor 田维柯善军吴洋马超倪成林
Owner FOSHAN OCEANO CERAMICS
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