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Low-temperature sintered terracotta blank and preparation method thereof

A technology of low-temperature sintering and tile billets, which is applied in the production of ceramic materials, clay products, and other household appliances. low temperature effect

Inactive Publication Date: 2014-12-24
FOSHAN RONGGUAN GLASS MATERIAL FOR BUILDING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the use of local clay raw materials and firing at a low temperature below 1100°C, traditional terracotta tiles have high water absorption (above 10% water absorption) and low strength, and cannot be used in severe cold (minus 30°C). Clay is used as raw material, which is easy to cause environmental problems such as soil erosion and reduction of cultivated land.

Method used

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  • Low-temperature sintered terracotta blank and preparation method thereof
  • Low-temperature sintered terracotta blank and preparation method thereof
  • Low-temperature sintered terracotta blank and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Clay: 75 parts by weight,

[0034] Waste terracotta: 5 parts by weight,

[0035] Shale: 20 parts by weight.

[0036] The chemical composition of the specific raw materials used is as follows:

[0037]

[0038]

[0039] Its specific production steps are as follows:

[0040] a. Store waste terracotta tiles and shale after crushing or weathering;

[0041] b. Mix waste terracotta tiles and shale into a ball mill in a ratio of 1:4, and add water to ball mill;

[0042] c. After the mud is fine enough, it is sieved and put into the slurry pool; the particle size of the particles in the sieved mud is 200um;

[0043] d. The slurry becomes a mud cake after pressure filtration, and the moisture content of the mud cake is 20%;

[0044] e. Mix the clay and the mud cake evenly in a ratio of 3:1.

[0045] In the process step a, the waste terracotta tiles and shale are crushed separately, the waste terracotta tiles are crushed by a jaw crusher, and the shale is crushed by a...

Embodiment 2

[0049] Clay: 50 parts by weight,

[0050] Waste terracotta: 10 parts by weight,

[0051] Shale: 40 parts by weight.

[0052] The chemical composition of the specific raw materials used is as follows:

[0053]

[0054]

[0055] Its specific production steps are as follows:

[0056] a. Store waste terracotta tiles and shale after crushing;

[0057] b. Mix waste terracotta tiles and shale into a ball mill in a ratio of 1:4, and add water to ball mill;

[0058] c. After the mud is fine enough, it is sieved and put into the slurry pool; the particle size of the particles in the sieved mud is 100um.

[0059] d. The slurry becomes a mud cake after pressure filtration, and the moisture content of the mud cake is 18%;

[0060] e. Mix the clay and the mud cake evenly in a ratio of 1:1.

[0061] In the process step a, the waste terracotta tiles and shale are crushed separately, the waste terracotta tiles are crushed by a jaw crusher, and the shale is crushed by a flange crush...

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Abstract

The invention discloses a low-temperature sintered terracotta blank and a preparation method thereof. The preparation method comprises the following steps: by taking waste terracotta, shale and clay as raw materials, uniformly processing, and mixing; the low-temperature sintered terracotta blank comprises the following raw materials in parts by weight: 0-80 parts of clay, 0-20 parts of waste terracotta and 15-50 parts of shale. The blank is fast in low-temperature sintering speed, high in sintering degree, low in water absorption, and high in strength, and sintered products can be used under severely cold weather condition.

Description

technical field [0001] The invention relates to the technical field of ceramic production, in particular to a low-temperature sintered ceramic tile blank and a preparation method thereof. Background technique [0002] The history of terracotta tiles has a long history in China, dating back to the Han Dynasty. In the archaeological circles, there is the saying of Thai bricks and Han tiles. Traditional terracotta tiles have a classical, natural and simple artistic beauty, and are deeply loved by people. However, most traditional terracotta tiles are They are fired at a low temperature below 1100°C, and the firing time is more than 15 hours. Due to the use of local clay raw materials and firing at a low temperature below 1100°C, traditional terracotta tiles have high water absorption (more than 10% water absorption) and low strength, and cannot be used in severe cold (minus 30°C). Clay is used as a blank, which is likely to cause environmental problems such as soil erosion and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/132
CPCY02P40/60
Inventor 简伟闯
Owner FOSHAN RONGGUAN GLASS MATERIAL FOR BUILDING
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