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A kind of opacity glass with liquid converter steel slag as main raw material and preparation method thereof

A technology of converter steel slag and opaque glass, which is applied in the field of building decoration materials, can solve the problems of large fluctuations in steel slag composition, underutilization, and unsatisfactory utilization, and achieve stable product quality, easy operation, and resource conservation.

Active Publication Date: 2018-11-23
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large fluctuations in the composition of steel slag and the high requirements of related building materials on raw materials, its utilization is still not ideal
Moreover, in reality, the sensible heat of converter steel slag is a high-quality waste heat resource that has not been fully utilized in blast furnace iron enterprises.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An opacified glass with liquid converter steel slag as the main raw material. The raw materials mainly include liquid converter steel slag and auxiliary materials. The mass ratio of liquid converter steel slag and auxiliary materials is 100:85; and the glass melt obtained after the liquid converter steel slag and auxiliary materials are mixed and melted The chemical composition in mass percentage is: SiO 2 35.32%, Al 2 O 3 5.41%, CaO 22.7%, MgO 3%, Na 2 O2%, K 2 O 2%, Fe 2 O 3 7.57%, ZrO 2 1%, P 2 O 5 1%, Na 2 SiF 6 20%.

[0027] The above-mentioned preparation method of opal glass with liquid converter steel slag as the main raw material, the specific steps are as follows:

[0028] a. The chemical composition of the liquid converter steel slag used in this embodiment is calculated as a mass percentage: SiO 2 28.45%, Al 2 O 3 10%, CaO 42%, MgO 5.55%, Fe 2 O 3 14%; The auxiliary materials used are quartz sand 40.79%, alumina powder 0%, limestone 0%, soda ash 6.99%, po...

Embodiment 2

[0036] An opacified glass with liquid converter steel slag as the main raw material. Its raw materials mainly include liquid converter steel slag and auxiliary materials. The mass ratio of liquid converter steel slag and auxiliary materials is 100:88; and the glass melt is obtained after the liquid converter steel slag and auxiliary materials are mixed and melted The chemical composition in mass percentage is: SiO 2 35.38%, Al 2 O 3 5.32%, CaO 26.6%, MgO 3.19%, Na 2 O2%, K 2 O 2%, Fe 2 O 3 8.51%, ZrO 2 1%, P 2 O 5 1%, Na 2 SiF 6 15%.

[0037] The specific steps of the above-mentioned preparation method of opal glass using liquid converter steel slag as the main raw material are as follows:

[0038] a. The chemical composition of the liquid converter steel slag used in this embodiment is calculated by mass percentage: SiO 2 18%, Al 2 O 3 10%, CaO 50%, MgO 6%, Fe 2 O 3 16%; the auxiliary materials used are quartz sand 51.97%, alumina powder 0%, limestone 0%, soda ash 6.94%, po...

Embodiment 3

[0046] An opacified glass with liquid converter steel slag as the main raw material. Its raw materials mainly include liquid converter steel slag and auxiliary materials. The mass ratio of liquid converter steel slag and auxiliary materials is 100:90; and the glass melt is obtained after the liquid converter steel slag and auxiliary materials are mixed and melted The chemical composition in mass percentage is: SiO 2 45%, Al 2 O 3 5.26%, CaO 23.16%, MgO 4.21%, Na 2 O2%, K 2 O2%, Fe 2 O 3 9.47%, ZrO 2 1%, P 2 O 5 2%, Na 2 SiF 6 5.9%.

[0047] The specific steps of the above-mentioned preparation method of opal glass using liquid converter steel slag as the main raw material are as follows:

[0048] a. The chemical composition of the liquid converter steel slag used in this embodiment is calculated by mass percentage: SiO 2 20%, Al 2 O 3 10%, CaO 44%, MgO 8%, Fe 2 O 3 18%; The auxiliary materials used are 67.66% of quartz sand, 0% of alumina powder, 0% of limestone, 6.7% of sod...

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Abstract

The invention discloses opacified glass with liquid converter steel slag as a main raw material; the opacified glass mainly comprises the raw materials: the liquid converter steel slag and an auxiliary material; a glass melt obtained after mixed melting of the liquid converter steel slag and the auxiliary material comprises the chemical composition by the mass percentage: 35-45% of SiO2, 1-5% of Al2O3, 18-28% of CaO, 1-5% of MgO, 1-3% of Na2O, 2-4% of K2O, 7-16% of Fe2O3, 0.5-1% of ZrO2, 1-2% of P2O5, and 5-20% of Na2SiF6. The opacified glass has the density range of 2.90-3.40 g / cm<3>, three-point bending strength of 90-150 MPa and the Mohs hardness of 6-7 level, and can be widely applied to building decoration industries.

Description

Technical field [0001] The invention relates to an opal glass using liquid converter steel slag as the main raw material and a preparation method thereof, and belongs to the field of building decoration materials. Background technique [0002] Converter steel slag is the waste slag brought by steel in the process of steelmaking and tapping. It is made of iron oxide, magnesium oxide, silicon oxide, calcium oxide, aluminum oxide and other compounds at a high temperature of 1500℃~1600℃. . The chemical composition content of steel slag from different domestic steel plants is also very different. Generally, calcium oxide accounts for 30%-60%, iron oxide accounts for 15%-26%, alumina accounts for 3%-8%, and silicon oxide accounts for 8%. %~23%, magnesium oxide accounts for 4%~11%. The metallurgical industries of all countries in the world emit about 130 kilograms of steel slag, 40 kilograms of iron-containing powder slag and other waste materials for every ton of crude steel produced...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C4/00C03C6/10C03C3/062C03C3/112C03B19/02
CPCC03B19/02C03C1/002C03C3/062C03C3/112C03C4/005C03C2204/04
Inventor 何峰裴可鹏施江张文涛谢峻林刘小青
Owner WUHAN UNIV OF TECH
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