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All-solid waste black glass ceramic and preparation method and application thereof

A technology of black glass and ceramics, applied in the field of all-solid waste black glass ceramics and its preparation, can solve the problems of low comprehensive utilization rate of solid waste and environmental pollution, achieve bright and black color, solve environmental pollution, and improve utilization rate Effect

Inactive Publication Date: 2014-07-16
刘立强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method of using fly ash and other solid wastes to prepare all-solid waste black glass ceramics, aiming to solve the problem that the comprehensive utilization rate of solid wastes such as fly ash, calcium carbide mud, steel slag, red mud and black mud is not high. and lead to the problem of polluting the environment

Method used

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  • All-solid waste black glass ceramic and preparation method and application thereof
  • All-solid waste black glass ceramic and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Evenly mix 30% of fly ash, 15% of calcium carbide mud, 15% of steel slag, 15% of red mud and 25% of black mud, and heat in a high-temperature furnace at 1400°C to 1600°C for 1 After ~4h, melt to obtain the glass body, adjust the temperature at 550°C to 650°C for 30min to 1h, and cool down with the furnace to obtain the basic glass;

[0018] (2) Put the basic glass obtained in step (1) into a heat treatment furnace after molding, heat it at 800° C. to 1050° C. for 2 hours for crystallization heat treatment, and then cool it to obtain the all-solid waste black glass ceramics 1 .

Embodiment 2

[0020] (1) Evenly mix 85% fly ash, 10% steel slag and 5% black mud, place in a high-temperature furnace and heat at 1400°C to 1600°C for 1 to 4 hours, then melt to obtain a glass body, and adjust the temperature to 550°C ~650°C annealing for 30min~1h, then cooling with the furnace to obtain basic glass;

[0021] (2) Put the basic glass obtained in step (1) into a heat treatment furnace after molding, heat it at 800° C. to 1050° C. for 1 hour to carry out crystallization heat treatment, and then cool to obtain all-solid waste black glass ceramics 2 .

Embodiment 3

[0023] (1) Evenly mix 60% fly ash, 15% calcium carbide mud, 5% steel slag and 20% red mud, place in a high-temperature furnace and heat at 1400°C to 1600°C for 1 to 4 hours, then melt to obtain a glass body , adjust the temperature at 550°C to 650°C for 30min to 1h, and then cool with the furnace to obtain the basic glass;

[0024] (2) Put the basic glass obtained in step (1) into a heat treatment furnace after molding, heat it at 800° C. to 1050° C. for 1 to 2 hours for crystallization heat treatment, and then cool to obtain all-solid waste black glass ceramics 3 .

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Abstract

The invention provides an all-solid waste black glass ceramic and a preparation method and an application thereof. According to the preparation method, 30%-85% of fly ash, 0-30% of carbide slurry, 0-35% of steel slag, 0-35% of red mud and 0-35% of black mud are used as raw materials to prepare a high added-value product all-solid waste black glass ceramic by a high temperature fusion method. Utilization rate of the solid wastes is 100%. The pollution of solid wastes including fly ash, carbide slurry, steel slag, red mud and black mud to the environment is effectively solved. In addition, the prepared all-solid waste black glass ceramic has advantages of bright and black color, high strength and corrosion resistance, and can be used in building and ornament materials, furniture table top, industrial wear-resistant corrosion-resistant materials and handicrafts.

Description

technical field [0001] The invention belongs to the field of environmental protection and new materials, and in particular relates to an all-solid waste black glass ceramic and its preparation method and application. Background technique [0002] my country's thermal power plants mainly burn coal. According to reports and statistics, in 2010, my country's thermal power industry consumed about 1.3 billion tons of standard coal and produced as much as 400 million tons of fly ash. Taking Shandong Province as an example, the coal consumption has reached 250 million tons, and the discharge of fly ash has reached nearly 80 million tons. In fact, many coal gangue and low-combustion value coal slime power plants have been put into operation in recent years to save energy. The emission of ash has increased, and the total amount is estimated to exceed 80 million tons, which is a huge amount. The stacking of fly ash not only takes up a lot of land, but also the fly ash is light in wei...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/00C03C6/10C03C4/02
Inventor 刘立强
Owner 刘立强
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