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A kind of preparation method of reflective thermal insulation ceramic glazed tile

A ceramic glaze and tile technology, applied in the field of building ceramics, can solve the problems of unfavorable industrialization, large power consumption, long time consumption, etc., and achieve the effects of large power consumption, large consumption and long time consumption

Active Publication Date: 2020-04-10
佛山市大千色釉料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The emulsifying agent needs to grind calcium carbonate and titanium dioxide separately, continue to grind after mixing, and disperse after drying. The preparation process of the emulsifying agent is time-consuming and consumes a lot of power, which is not conducive to the realization of industrialization; and the emulsifying agent requires It is further mixed with quartz, potassium feldspar, aluminum oxide, calcite and other components to form a glaze, and the glaze should be ball milled for 18-22 hours to control the fineness of the glaze slurry to about 200 mesh; the glaze slurry is sieved twice, and removed twice Iron, using glaze spraying or dipping method, directly glaze on the base, control the thickness of the glaze layer before firing to 0.6-0.8mm, and fire in an oxidizing atmosphere, the best firing temperature of the glaze is 1000-1300 °C, Although this technology can obtain titanite, it needs to configure the emulsion first. The whole process of ball milling is very labor-intensive, with many steps and high consumption. The problem of yellowing of the ceramic glaze, so the content of titanium dioxide in the glaze is less than 4%, and there is no and cannot be used to prepare energy-saving reflective heat-insulating ceramics

Method used

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  • A kind of preparation method of reflective thermal insulation ceramic glazed tile
  • A kind of preparation method of reflective thermal insulation ceramic glazed tile
  • A kind of preparation method of reflective thermal insulation ceramic glazed tile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A method for preparing reflective and heat-insulating ceramic glazed tiles, comprising the steps of:

[0045] 1) Fully mix 26 parts of quartz, 20 parts of feldspar, 6 parts of calcite, 42 parts of titanium dioxide, 4 parts of dolomite, 1.5 parts of alumina and 0.5 parts of zinc oxide, melt in a frit furnace until all the raw materials are melted, and melt The melting temperature is 1600°C, and the frit is fused into a frit; in terms of mass percentage, the chemical composition of the frit obtained after smelting is: 40wt% SiO 2 , 6wt% Al 2 o 3 , 2wt%Na 2 O, 0.5wt%K 2 O, 5wt% CaO, 1wt% MgO, 0.5wt% ZnO, 45wt% TiO 2 .

[0046] 2) In terms of parts by mass, mix 10 parts of frit obtained in step 1) with 8 parts of clay, 5 parts of kaolin, 35 parts of quartz, 15 parts of feldspar, 15 parts of calcite, 7 parts of titanium dioxide and 5 parts of talc Grind to make a glaze slurry.

[0047] 3) The glaze slurry prepared in step 2) is applied on the green brick by a glaze sp...

Embodiment 2

[0052] A method for preparing reflective and heat-insulating ceramic glazed tiles, comprising the steps of:

[0053] 1) In parts by mass, 30 parts of quartz, 25 parts of feldspar, 10.5 parts of calcite, 27 parts of titanium dioxide, 3 parts of talc, 1.5 parts of aluminum oxide, 1 part of zinc oxide, 1 part of barium carbonate and 1 part of apatite Stones are fully mixed and melted into a frit in a frit furnace at a melting temperature of 1550°C; in terms of mass percentage, the chemical composition of the frit is: 50wt% SiO 2 , 7wt% Al 2 o 3 , 3wt%Na 2 O, 7wt% CaO, 1wt% MgO, 1wt% ZnO, 0.5wt% BaO, 0.5wt% P 2 o 5 , 30wt%TiO 2 .

[0054] 2) Mix and grind 30 parts of the frit obtained in step 1) with 7 parts of clay, 25 parts of quartz, 15 parts of feldspar, 15 parts of wollastonite, 5 parts of titanium dioxide and 3 parts of dolomite to prepare a glaze slurry.

[0055] 3) The glaze slurry prepared in step 2) is applied on the green brick by a glaze sprayer.

[0056] 4) Af...

Embodiment 3

[0060] A method for preparing reflective and heat-insulating ceramic glazed tiles, comprising the steps of:

[0061] 1) Fully mix 23 parts of quartz, 25 parts of feldspar, 12 parts of heavy calcium carbonate, 18 parts of titanium dioxide, 9 parts of alumina, 11 parts of talc and 2 parts of strontium carbonate, and melt into a frit in a frit furnace , the melting temperature is 1550°C; in terms of mass percentage, the chemical composition of the frit is: 49wt% SiO 2 , 15wt%Al 2 o 3 , 3wt%K 2 O, 8wt% CaO, 4wt% MgO, 1wt% SrO, 20wt% TiO 2 .

[0062] 2) Combine 50 parts of frit obtained in step 1) with 8 parts of clay, 13 parts of quartz, 10 parts of feldspar, 10 parts of calcite, 5 parts of talc, 2 parts of strontium carbonate, 1 part of titanium dioxide, and 1 part of spodumene Mix and grind to make a glaze slurry.

[0063] 3) The glaze slurry prepared in step 2) is applied on the green brick by a glaze sprayer.

[0064] 4) After drying the glazed body in step 3), it is fi...

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Abstract

The invention discloses a preparation method of reflective heat-insulation ceramic glazed tiles. The preparation method includes mixing frit raw materials, and founding the frit raw materials in a frit furnace into frits at a founding temperature of 1400-1600 DEG C until the raw materials fuse completely; mixing the frits with a raw material with grinding to obtain glaze slip, wherein the frits account for 10-100% of the total mass of the raw materials, and the content of titanium dioxide in the glaze slip is not lower than 8% of the total mass; applying the glaze slip on green bodies; drying the green bodies with the glaze slip, and firing at a temperature of 1100-1250 DEG C so as to obtain the reflective heat-insulation ceramic glazed tiles. The preparation method has the advantages that the frits are mixed with a specific amount of raw material, and enamel layers with titanite crystals as a main crystal phase are formed on the surfaces of the ceramic glazed tiles and are capable of reflecting sunlight reflectively, so that absorption of the ceramic glazed tiles for solar heat radiation can be reduced effectively, and building energy consumption of hot-summer and warm-winter regions is reduced remarkably; the preparation method is low in preparation cost and remarkable in energy-saving and environment-friendly effects.

Description

technical field [0001] The invention relates to the field of building ceramics, in particular to a preparation method of reflective and heat-insulating ceramic glazed tiles. Background technique [0002] Building energy consumption, transportation energy consumption, and industrial energy consumption are one of the three major energy consumption modes in my country. With the development of social economy and the improvement of people's requirements for indoor environment comfort, building energy consumption is showing a rapid upward trend, and the proportion of energy consumption in the whole society continues to rise. [0003] Using various methods to reduce or prevent building heating caused by strong solar radiation, reduce cooling energy consumption, and reduce environmental pollution have become important research goals for building material energy conservation. As the most important part of building energy consumption, the building exterior wall's thermal insulation p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/08C03C8/04C03C8/02C04B41/86
CPCC03C8/00C03C8/04C03C8/08C04B41/5022C04B41/86C04B41/4539C04B41/4543
Inventor 苏华枝吴建青
Owner 佛山市大千色釉料有限公司
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