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Component tempering material suitable for blast furnace slag glass-ceramic and its tempering method

A technology of blast furnace slag and glass-ceramics, which is applied in the field of glass-ceramics preparation, can solve problems such as the difficulty in crystallization control of glass-ceramics and the negative impact on the mechanical properties of glass-ceramics plates, and achieves simple and easy control of the implementation process and improved Effect of improving mechanical properties, viscosity characteristics and fluidity

Active Publication Date: 2020-01-14
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These factors can cause difficulties in crystallization control during glass-ceramic preparation and can negatively affect the mechanical properties of glass-ceramic sheets

Method used

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  • Component tempering material suitable for blast furnace slag glass-ceramic and its tempering method
  • Component tempering material suitable for blast furnace slag glass-ceramic and its tempering method
  • Component tempering material suitable for blast furnace slag glass-ceramic and its tempering method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A component conditioning material suitable for blast furnace slag glass-ceramics, the composition of which includes: 22 parts of quartz sand, 5 parts of calcium sulfate, 4 parts of talcum powder, 2 parts of barium carbonate, 6 parts of albite powder, fluorine 3 parts of sodium silicate, 3 parts of phosphorus pentoxide, 1 part of float glass powder.

[0033] The blast furnace slag is used as the main raw material to prepare glass-ceramics, and the blast furnace slag is tempered with the above-mentioned tempering material. The process of the tempering method is as follows:

[0034] (1) In terms of parts by mass, weigh 54 parts of blast furnace slag; and weigh 54 parts of the composition conditioning material. 6 parts of stone powder, 3 parts of sodium fluorosilicate, 3 parts of phosphorus pentoxide, 1 part of float glass powder;

[0035] 2) The accurately weighed composition conditioning material is ground in a ball mill, mixed evenly, placed in a crucible, melted in a h...

Embodiment 2

[0040] A component conditioning material suitable for blast furnace slag glass-ceramics, the composition of which includes: 6 parts of quartz sand, 3 parts of calcium sulfate, 2 parts of talcum powder, 0.5 parts of barium carbonate, 3.5 parts of albite powder, fluorine 2 parts of sodium silicate, 1 part of phosphorus pentoxide, 3 parts of float glass powder.

[0041] The blast furnace slag is used as the main raw material to prepare glass-ceramics, and the blast furnace slag is tempered with the above-mentioned tempering material. The process of the tempering method is as follows:

[0042] (1) In terms of parts by mass, weigh 79 parts of blast furnace slag; and weigh 79 parts of the composition conditioning material. 3.5 parts of stone powder, 2 parts of sodium fluorosilicate, 1 part of phosphorus pentoxide, 3 parts of float glass powder;

[0043] 2) The accurately weighed composition conditioning material is ground in a ball mill, mixed evenly, placed in a crucible, melted i...

Embodiment 3

[0048] A component conditioning material suitable for blast furnace slag glass-ceramics, the composition of which includes: 15 parts of quartz sand, 4 parts of calcium sulfate, 8 parts of talcum powder, 1 part of barium carbonate, 4 parts of albite powder, fluorine 4 parts of sodium silicate, 2 parts of phosphorus pentoxide, 4 parts of float glass powder.

[0049] The blast furnace slag is used as the main raw material to prepare glass-ceramics, and the blast furnace slag is tempered with the above-mentioned tempering material. The process of the tempering method is as follows:

[0050] (1) In terms of parts by mass, weigh 58 parts of blast furnace slag; and weigh 58 parts of the composition conditioning material. 4 parts of stone powder, 4 parts of sodium fluorosilicate, 2 parts of phosphorus pentoxide, 4 parts of float glass powder;

[0051] 2) The accurately weighed composition conditioning material is ground in a ball mill, mixed evenly, placed in a crucible, melted in a ...

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Abstract

The invention discloses a component tempering material suitable for tempering blast furnace molten slag to prepare microcrystal glass. The component tempering material comprises the raw materials in parts by mass: 6-22 parts of quartz sand, 3-5 parts of calcium sulfate, 2-8 parts of talcum powder, 0.5-2 parts of barium carbonate, 3.5-6 parts of soda feldspar powder, 2-4 parts of sodium fluosilicate, 1-4 parts of phosphorus pentoxide and 1-4 parts of float glass powder. The component tempering material disclosed by the invention is used for tempering the blast furnace molten slag to prepare themicrocrystal glass, and the method comprises the steps: firstly, uniformly mixing the component tempering material, and melting the mixture to obtain a component tempering material melt; and then, carrying out blending-melting on the component tempering material melt and the blast furnace molten slag to obtain a glass melt directly used for preparing the microcrystal glass. The component tempering material disclosed by the invention is used for tempering the blast furnace molten slag in a melt way, the implementation process is simple and easily controlled, and the tempering efficiency is high; and the tempered blast furnace molten slag can be directly used for producing microcrystal glass building decorative products by controlling the viscosity of the tempered blast furnace molten slag,so that the efficiency of preparing the microcrystal glass by using the blast furnace molten slag is increased, and the process step is simple and easily implemented.

Description

technical field [0001] The invention provides a composition conditioning material suitable for blast furnace slag glass-ceramics and a conditioning method thereof, belonging to the technical field of glass-ceramics preparation. Background technique [0002] Blast furnace slag is the accompanying product discharged from the blast furnace when the pig iron is smelted. When the furnace temperature reaches 1400-1600 ° C, the furnace charge melts, and the gangue in the ore, the ash in the coke, the co-solvent and other impurities that cannot enter the pig iron are formed. Slag mainly composed of silicate and aluminate floating on the molten iron. Blast furnace slag contains a large amount of "sensible heat" and "basic inorganic slag". However, as a high-quality waste heat resource, the efficient utilization of blast furnace slag has always been a problem that the iron and steel industry has paid close attention to. CaO, SiO in blast furnace slag 2 、Al 2 o 3 The total amount o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C10/00C03C1/02
CPCC03C1/02C03C10/0063
Inventor 何峰张文涛谢峻林刘小青
Owner WUHAN UNIV OF TECH
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