Method for producing ceramic bricks by using high calcium pottery clay and dolomite

A technology of high-calcium clay and ceramic bricks, which is applied in the field of building materials, can solve the problems of not combining high-calcium clay and dolomite, and achieve good decoration effects, obvious social and economic benefits, and easy sintering

Active Publication Date: 2016-05-04
ZUNYI ENERGY & MINERAL INVESTMENT CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

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Effect test

Embodiment 1

[0033] According to the performance requirements of the formula, the parts by weight of each component are: 50 parts of high-calcium clay and 2.5 parts of dolomite. After making mud with a moisture content not higher than 36%, it is spray-dried, and the dry powder after spraying is pressed into a shape of 600mm* The size of 600mm*11mm, after drying, the moisture content of the body is less than 0.1%, and the firing time in the roller kiln is 60 minutes, and the maximum firing temperature is 1200°C. After firing, the product has a flexural strength of 25.55MPa and a water absorption rate of 24.35%. After grinding, polishing, sorting and storage, it is an excellent building decoration material.

Embodiment 2

[0035] Ingredients are formulated according to the performance requirements of the formula. The parts by weight of each component are: 90 parts of high-calcium clay and 30 parts of dolomite. After making mud with a moisture content of not higher than 36%, it is spray-dried, and the dry powder after spraying is pressed into a shape of 600mm* The size of 600mm*11mm, after drying, the moisture content of the body is less than 0.1%, and the firing time in the roller kiln is 60 minutes, and the maximum firing temperature is 1200°C. After firing, the product has a flexural strength of 32.03MPa and a water absorption rate of 23.01%. After being edged, polished, sorted and put into storage, it is an excellent building decoration material.

Embodiment 3

[0037] According to the performance requirements of the formula, the parts by weight of each component are: 50 parts of low-quality high-calcium clay, 25 parts of dolomite, 25 parts of silica, and 0 part of potassium-containing shale. After making mud with a moisture content not higher than 36% Spray drying, the sprayed dry powder is pressed into a size of 600mm*600mm*11mm, after drying, the moisture content of the body is <0.1%, and the firing time is 60 minutes in a roller kiln, and the maximum firing temperature is 1200°C. After firing, the product has a flexural strength of 38.05MPa and a water absorption rate of 21.35%. After grinding, polishing, sorting and storage, it is an excellent building decoration material.

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Abstract

The invention provides a method for producing ceramic bricks by using high calcium pottery clay and dolomite, and belongs to the field of a building material. The raw materials for producing the ceramic bricks comprise the following components in parts by weight: 50-90 parts of high calcium pottery clay and 2.5-30 parts of dolomite. The novel ceramic bricks are produced by using a large amount of high calcium pottery clay and dolomite, so that low quality pottery clay and dolomite are effectively utilized with high value; and at the same time the bricks are rapidly baked at a low temperature with reduced energy consumption, and the bricks are used as an environment-friendly type high-grade building ceramic decorative material; the preparation method is simple and feasible, and is good for industrial production with obvious social and economic benefits.

Description

technical field [0001] The invention belongs to the field of building materials, in particular to a method for producing ceramic bricks by using high-calcium clay and dolomite. Background technique [0002] Guizhou Province is located in the plateau and mountains in Southwest China, rich in mineral resources, and is a typical karst landform. The content of calcium oxide in clay resources within its scope is relatively high, and the dolomite reserves rank ninth in the country. Therefore, how to efficiently use these resources will be of great importance The economic development of Guizhou Province plays an important role. [0003] The high-calcium clay ores in Guizhou are mainly purple-red, brown-red thick-layered massive calcareous siltstone, muddy siltstone, silty mudstone, and claystone, with reserves of more than 80 million tons, and its main composition is: 54% SiO 2 , 12% Al 2 o 3 , 4% Na 2 O and K 2 O, 1% TiO 2 , 3% MgO, etc., but its CaO and Fe 2 o 3 The conte...

Claims

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Application Information

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IPC IPC(8): C04B33/13
CPCC04B33/13C04B2235/321C04B2235/3418
Inventor 李宇陈军刚杨太林熊明钦苍大强
Owner ZUNYI ENERGY & MINERAL INVESTMENT CO LTD
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