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Grey tile and firing process thereof

A technology for green tiles and processes, applied in the field of green tiles and their firing processes, can solve the problems of coal consumption, increase energy consumption, pollution, etc., and achieve the effects of reducing environmental damage, improving product competitiveness, and saving clay resources.

Inactive Publication Date: 2020-02-21
重庆市忠县古屋建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the firing of blue tiles adopts the following process: the clay is molded and dried in the shade, and then fired in an earthen kiln, it needs to go through carburizing, color retention and other processes before it can be cooled out of the kiln. It lasts for about two weeks, which makes the production efficiency very low, and during this period, coal needs to be continuously consumed, which not only increases energy consumption, but also causes environmental pollution due to insufficient coal combustion; at the same time, because the blue tiles are completely fired with clay , resulting in the loss of a large amount of land
Moreover, in the traditional firing process, clay is mainly used as the raw material. After the blank is formed, it is fired in a kiln to make green bricks or blue tiles. For excessive use of clay, the government has taken relevant compulsory measures to prohibit the production of building materials using clay as raw material, and the traditional The process of firing green bricks or blue tiles takes a long time and costs a lot

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The blue tiles of this embodiment are made of the following raw materials in parts by weight: 20 parts of shale powder, 8 parts of lime powder, 20 parts of fly ash, 5 parts of green ash, 5 parts of black powder, and 15 parts of slag;

[0022] The firing process of the blue tiles of the present embodiment comprises the following steps:

[0023] S1. Weigh each raw material according to the weight part, dry them separately, and set aside;

[0024] S2. Put shale powder, lime powder, fly ash, blue ash, black powder, and slag into different crushers for crushing, and then put them into a ball mill for ball milling to 200 mesh (the ratio of water to ball mill is 1:1), and then Mix evenly to obtain mixed powder;

[0025] S3, after natural fermentation of the mixed powder obtained in step S2 for 3 days, add water accounting for 18% of the total weight of the mixed powder, stir evenly, and use a filter press to filter to a water content of 5% to obtain a mud cake, and then The ...

Embodiment 2

[0028] The blue tiles of this embodiment are made of the following raw materials in parts by weight: 30 parts of shale powder, 13 parts of lime powder, 30 parts of fly ash, 10 parts of green ash, 11 parts of black powder, and 22 parts of slag;

[0029] The firing process of the blue tiles of the present embodiment comprises the following steps:

[0030] S1. Weigh each raw material according to the weight part, dry them separately, and set aside;

[0031] S2. Put shale powder, lime powder, fly ash, blue ash, black powder, and slag into different crushers for crushing, and then put them into a ball mill for ball milling to 400 mesh (the ratio of water to ball mill is 1:1), and then Mix evenly to obtain mixed powder;

[0032] S3, after naturally fermenting the mixed powder obtained in step S2 for 5 days, add water accounting for 25% of the total weight of the mixed powder, stir evenly, and use a filter press to press filter until the water content is 10%, to obtain a mud cake, a...

Embodiment 3

[0035] The blue tiles in this embodiment are made from the following raw materials in parts by weight: 25 parts of shale powder, 11 parts of lime powder, 25 parts of fly ash, 8 parts of green ash, 8 parts of black powder, and 19 parts of slag;

[0036] The firing process of the blue tiles of the present embodiment comprises the following steps:

[0037] S1. Weigh each raw material according to the weight part, dry them separately, and set aside;

[0038] S2. Put shale powder, lime powder, fly ash, blue ash, black powder, and slag into different crushers for crushing, and then put them into a ball mill for ball milling to 300 mesh (the ratio of water to ball mill is 1:1), and then Mix evenly to obtain mixed powder;

[0039] S3, after naturally fermenting the mixed powder obtained in step S2 for 4 days, add water accounting for 21% of the total weight of the mixed powder, stir evenly, and use a filter press to press filter to a water content of 8% to obtain a mud cake, and then...

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Abstract

The invention provides a grey tile and a firing process thereof, and relates to the technical field of building materials. The grey tile is made of the following raw materials: shale powder, lime powder, fly ash, caesious peat meal, black powder, and furnace slag. The grey tile has good corrosion resistance, durability and erosion resistance, has freezing resistance and impermeability, discoloration and peeling prevention, no radiation, aging resistance and no light pollution, has high compressive strength and strong disassembly resistance, and is relatively beautiful.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a gray tile and its firing process. Background technique [0002] Blue tiles are made of clay and are blue-gray in color, giving people a sense of elegance, calmness, simplicity, and tranquility. In recent years, they have become one of the products highly recommended by designers. Due to the high firing temperature, they have a certain degree of porcelain , has the advantages of high flexural strength, wear resistance, acid and alkali resistance, and long life, so it is called porcelain blue tile. [0003] In the prior art, the firing of blue tiles adopts the following process: the clay is molded and dried in the shade, and then fired in an earthen kiln, it needs to go through carburizing, color retention and other processes before it can be cooled out of the kiln. It lasts for about two weeks, which makes the production efficiency very low, and during this period, c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/135C04B33/32
CPCC04B33/135C04B33/1352C04B33/32C04B2235/3208C04B2235/656Y02P40/60
Inventor 刘永洪
Owner 重庆市忠县古屋建材有限公司
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