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Method for compounding microcrystalline glass materials by means of ferrochrome slags

A technology of ferrochromium alloy and glass-ceramic, applied in the field of synthesizing glass-ceramic materials, can solve the problems of inability to completely separate slag and iron, high melting point, high viscosity of ferrochromium alloy slag, etc., and achieve good performance, uniform microscopic appearance, The effect of solving pollution

Active Publication Date: 2015-12-16
UNIV OF SCI & TECH BEIJING
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Problems solved by technology

Ferrochrome slag has high viscosity and high melting point, and the slag and iron cannot be completely separated

Method used

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  • Method for compounding microcrystalline glass materials by means of ferrochrome slags
  • Method for compounding microcrystalline glass materials by means of ferrochrome slags
  • Method for compounding microcrystalline glass materials by means of ferrochrome slags

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Embodiment Construction

[0019] Ferrochrome alloy slag, waste glass, limestone, soda ash and fluorite are used as raw materials, and the proportions are shown in Table 1. Melting at 1500°C-1550°C under normal pressure for 1-4 hours, and then heat-treating the prepared basic glass to synthesize a slag-like glass-ceramic material. X-ray diffraction analysis and SEM analysis were performed on the synthesized samples.

[0020] Table 1 Raw material ratio and synthesis conditions of synthetic ferrochrome alloy slag glass-ceramic materials

[0021]

[0022] Design flow charts by preparing, such as figure 1 As shown, ferrochrome alloy slag glass-ceramic materials with different composition ratios have been obtained, and the X-ray diffraction and scanning electron microscope results of the synthesized materials according to the experimental design are shown in Fig. figure 2 , image 3 As shown, it can be seen from the figure that the main crystal phases of the synthetic materials are diopside and nephel...

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Abstract

The invention relates to the technical field of synthesis of inorganic nonmetal materials, and aims at providing a method for compounding pyroxene-type microcrystalline glass materials by means of solid waste such as ferrochrome slags and waste glass, limestone, sodium carbonate and fluorite. The raw materials used for compounding mainly adopt the solid waste, and the ferrochrome slags belong to waste with severe toxicity and need to be treated individually. The waste microcrystalline glass materials are compounded only by means of normal pressed sintering, all performances meet needs of industrial production, the problem that the environment is polluted due to the fact that a large amount of solid waste is stacked is solved, the compounded waste slag type microcrystalline glass materials can be applied to building decoration materials, the method for compounding the pyroxene-type microcrystalline glass materials by means of the solid waste such as the ferrochrome slags and the waste glass, the limestone, the sodium carbonate and the fluorite accords with the industrial policy of circular economy advocated by the nation, and higher economic value and environmental significance are achieved.

Description

technical field [0001] The invention relates to the technical field of synthesis of inorganic non-metallic materials, in particular to a method for synthesizing a glass-ceramic material by using solid waste (ferrochrome slag, waste glass), limestone, soda ash and fluorite as raw materials. Background technique [0002] In recent years, my country's stainless steel production has shown a rapid growth trend, and the demand for ferrochrome is also increasing. At the same time, the environmental pressure faced by ferrochrome alloy smelting enterprises is becoming increasingly urgent, especially the discharge of solid waste from ferrochrome alloy plants must meet the national environmental protection requirements. The solid waste in the ferrochrome alloy plant mainly comes from the slag and dust generated in the high temperature production process. Ferrochrome slag has high viscosity and high melting point, and the slag and iron cannot be completely separated. Generally speakin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/04C03C6/02
Inventor 张梅白智韬郭敏
Owner UNIV OF SCI & TECH BEIJING
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