Ceramic light insulation decorative exterior wall tile and productive process

A production process and lightweight technology, applied in thermal insulation, ceramic products, building components, etc., can solve the problems of aggravating the risk of falling off, easy falling off, high density of ceramic exterior wall bricks, etc., to reduce construction procedures and construction time, excellent Insulation performance, wide application effect

Inactive Publication Date: 2012-10-10
重庆歌德陶瓷玛赛克制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a serious problem in these two processes: the foaming effect is not good enough, resulting in high density ceramic exterior wall tiles, which are easy to fall off
Moreover, ceramic exterior wall tiles th...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Green body formula: 20 parts of clay, 22 parts of quartz sand tailings, 22 parts of low-temperature porcelain sand, 35 parts of lithium porcelain stone, 5 parts of talc, 5 parts of green silicon carbide powder (SiC content ≥ 90 parts), 2 parts of dark red material , 33 parts of water. Among them, the ore and clay are calculated on a dry basis and actually contain water, so the water content of the mud after ball milling can still be controlled to 33-35%. Of course, it can also be adjusted by adding or subtracting water, the same below.

[0028] Production steps: a. All raw materials are mixed evenly according to the ratio, ball milled to 3% on a 250-mesh sieve, and the moisture content of the mud is controlled at 33%; b. Drying to obtain a powder with a moisture content of 6%; c. The molding machine is pressed and formed, and the setting The working pressure is 16MPa; d, drying until the moisture content of the green body is lower than 1%; e, firing; the maximum firing ...

Embodiment 2

[0030] Green body formula: 18 parts of clay, 20 parts of quartz sand tailings, 20 parts of low-temperature porcelain sand, 33 parts of lithium porcelain stone, 3 parts of talc, 3 parts of green silicon carbide powder (SiC content ≥ 90 parts), 3 parts of yellow pigment , 34 parts of water.

[0031] Production steps: a. All raw materials are mixed evenly according to the ratio, ball milled to 1% on a 250 mesh sieve, and the moisture content of the mud is controlled at 33%; b. Drying to obtain a powder with a moisture content of 6%; c. The molding machine is pressed and formed, and the setting The working pressure is 16MPa; d, drying until the moisture content of the green body is lower than 1%; e, firing; the maximum firing temperature is 1170°C, and the firing cycle is 40 minutes. Product 2 was obtained.

Embodiment 3

[0033] Green body formula: 15 parts of clay, 22 parts of quartz sand tailings, 15 parts of low-temperature porcelain sand, 30 parts of lithium porcelain stone, 3 parts of talc, 4 parts of green silicon carbide powder (SiC content ≥ 90 parts), 3 parts of gray pigment , 35 parts of water.

[0034] Production steps: a. All raw materials are mixed evenly according to the ratio, ball milled to 250 mesh sieve to account for 2%, and the moisture content of the mud is controlled at 35%; b. Drying to obtain powder with a moisture content of 6.5%; c. Forming machine pressing and molding, setting The working pressure is 20MPa; d, drying until the moisture content of the green body is lower than 1%; e, firing; the maximum firing temperature is 1220°C, and the firing cycle is 45 minutes. Product 3 was obtained.

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PUM

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Abstract

The invention relates to a ceramic light insulation decorative exterior wall tile and a productive technology. The ceramic light insulation decorative exterior wall tile with good foaming effects is prepared by, by weight, 15-20 parts of clay, 20-30 parts of quartz sand tailings, 15-25 parts of low-temperature porcelain sand, 30-35 parts of lithium china stone, 3-5 parts of talc and 1-5 parts of silicon carbide powders with the content of silicon carbide larger than or equal to 90 %. The production steps include mixing raw materials according to a proportion, and subjecting the raw materials to ball milling in a 250 mesh sieve to occupy 1%-3% of fineness; drying the raw materials to obtain powders with water ratio from 5.5 %-6.5 %; and performing molding, drying and sintering, wherein the highest temperature of the sintering is from 1170 DEG C to 1230 DEG C, and the sintering period is from 35 minutes to 45 minutes. According to the exterior wall tile, uniform and fine closed air holes are formed, the water absorption is from 1% to 3%, the porosity can reach 40% to 50%, and the thermal coefficient is 0.5-0.8 W/ (M.K). The exterior wall tile is good in insulation performance and decoration effect and convenient to use.

Description

technical field [0001] The invention relates to environment-friendly building materials, in particular to ceramic lightweight exterior wall bricks and a production process thereof. Background technique [0002] The existing lightweight foamed ceramic insulation board is a closed-cell ceramic material with high porosity obtained by roasting at a temperature of 1100-1150° C., using clay tailings, ceramic fragments, admixtures, etc. as main raw materials. There are two construction methods: either pouring with the wall as a whole, and then connecting the finishing layer with mortar and galvanized electric-welded steel wire mesh on the outside; or first connecting the lightweight foamed ceramic insulation board to the wall with mortar, and then using mortar to Connect the finishing layer with steel wire mesh. Both of these two processes have a serious problem: the foaming effect is not good enough, resulting in high density ceramic exterior wall tiles, which are easy to fall of...

Claims

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Application Information

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IPC IPC(8): C04B38/02E04B1/76C04B35/622C04B41/86
CPCY02A30/244
Inventor 易乾亨
Owner 重庆歌德陶瓷玛赛克制造有限公司
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