A kind of method that utilizes fly ash to prepare ceramic floor

A technology of fly ash and ceramics, which is applied in the field of comprehensive utilization of industrial solid waste, can solve problems such as high cost of ceramic flooring, environmental pollution, and insufficient use of fly ash, so as to increase added value, reduce site resources, and realize resource utilization. The effect of chemical utilization

Active Publication Date: 2015-09-23
PEKING UNIV
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Problems solved by technology

[0005] Therefore, in view of the current situation of insufficient utilization of fly ash, pollution of the environment, high cost of ceramic flooring, and shortage of raw materials, how to increase the added value of fly ash and develop new uses for industrial solid waste fly ash while reducing the cost of ceramic flooring? Manufacturing costs and alleviating the shortage of raw materials for ceramic flooring are currently an arduous task

Method used

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  • A kind of method that utilizes fly ash to prepare ceramic floor
  • A kind of method that utilizes fly ash to prepare ceramic floor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: as figure 1 As shown, 70 parts of fly ash and 30 parts of Tangshan clay were put into a mixer and stirred for 10 hours, then dried in a dryer at 85°C for 10 hours, and then put into a granulator for granulation. Granular materials are high-pressure molded under 60MPa pressure to make solid ceramic floor substrate boards. The boards are sequentially cooled, cut to length, hole plugging, grinding, grooving, tenoning, fine grinding, and scrubbing. Spray a layer of glaze evenly on its surface. Calcined at 1200°C for 3 hours to obtain a vitrified glaze layer. The vitrified glaze layer on the surface is then ground, polished and flattened to obtain a ceramic floor product.

Embodiment 2

[0031] Embodiment 2: as figure 1 As shown, 60 parts of fly ash and 40 parts of Tangshan clay were put into a mixer and stirred for 10 hours, then dried in a dryer at 85°C for 10 hours, and then put into a granulator for granulation. Granular materials are high-pressure molded under 60MPa pressure to make solid ceramic floor substrate boards. The boards are sequentially cooled, cut to length, hole plugging, grinding, grooving, tenoning, fine grinding, and scrubbing. Spray a layer of glaze evenly on its surface. Calcined at 1400°C for 3 hours to obtain a vitrified glaze layer. The vitrified glaze layer on the surface is then ground, polished and flattened to obtain a ceramic floor product.

[0032] Compared with Example 2, the amount of fly ash added in Example 1 is larger, and the color of the obtained ceramic floor body is darker, but after spraying a layer of glaze, no difference can be seen from the surface.

[0033] The final ceramic floor can refer to figure 2 .

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Abstract

The invention relates to a method for preparing a ceramic floor by utilizing fly ash. The method mainly comprises the following steps: utilizing solid waste fly ash as an aggregate, employing viscous porcelain clay for combination, and performing high-pressure molding to obtain ceramic floor blanks, performing glaze-spraying processing on the surface of the blanks, and performing high-temperature calcining and grinding polishing for planarization processing and further for finally obtaining the ceramic floor. The method for preparing the ceramic floor by utilizing solid waste fly ash helps to solve the present situation that fly ash is not utilized fully and pollutes environment, and also helps to reduce the manufacturing cost of the ceramic floor and alleviate the present situation that the ceramic floor raw materials are in shortage. The method accords with energy saving, waste utilizing and environment protection policies advocated by the state, and the prepared ceramic floor is not easy to skid, does not generate radiation and prevents water damage and insect damage. The ceramic floor and the manufacturing method thereof are widely applicable to the fields of comprehensive utilization of industrial solid waste and manufacturing of ceramic floors.

Description

technical field [0001] The invention belongs to the field of comprehensive utilization of industrial solid waste and relates to a new method for comprehensive utilization of fly ash of industrial solid waste. Background technique [0002] Fly ash is a kind of volcanic ash-like mixed material formed after pulverized coal is burned at high temperature. It is the main solid waste discharged from coal-fired power plants, and it is also one of the largest industrial wastes in my country. With the continuous rapid growth of China's economy, the use of coal is also increasing year by year, among which the power industry is a large coal consumer, accounting for more than half of the country's total coal consumption. [0003] Fly ash is an inevitable product of thermal power generation, and the amount of fly ash will expand with the increase of the installed capacity of thermal power generation. Now it is generally believed that the comprehensive recycling rate of China's fly ash ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/135C04B33/34
CPCY02P40/60
Inventor 王习东廖洪强王绍鑫王昊
Owner PEKING UNIV
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