Microcrystal glass made from titanium-containing magnetic iron are tailings
A technology of glass-ceramics and titano-magnetite, which is applied in the field of glass-ceramics made of titano-magnetite tailings, can solve the problems of polluting the Jinsha River and achieve the effects of reducing production costs, saving costs, and reasonable formula design
Inactive Publication Date: 2009-08-19
CHONGQING UNIV
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Problems solved by technology
The accumulation of tailings has caused relatively serious environmental and safety problems, and there is a potential danger of polluting the Jinsha River, and there are problems of dam failure and potential safety hazards
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[0022] Aiming at the development and utilization of titanium-containing magnetite tailings in Panzhihua, the present invention directly uses it as a raw material for producing glass-ceramics according to the composition characteristics of the vanadium-titanium magnetite tailings, and the high content of TiO 2 It is an excellent crystal nucleating agent and fluxing agent, CaO, MgO, Al in the glass composition 2 o 3 , Fe 2 o 3 It is mainly introduced from the tailings, basically not added; in addition, SiO is added 2 To reduce the relative content of CaO and MgO, improve the crystallization performance of glass, because SiO 2 It is a glass network former and the main component, and its content should not be too low; but it should not be too high, as the viscosity of the glass will increase if it is too high.
[0023] The key to making glass ceramics from Panzhihua titanium-containing magnetite tailings is to use the tailings as the main raw material, and then add quartz sand...
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Abstract
The present invention provides a glass-ceramic made of titanium-containing magnetite tailings, which uses titanium-containing tailings as the main raw material, and adds quartz sand with a SiO2 purity greater than 96% and a content of 18% to 30%. Feldspar with a content of 2% to 5% is used as an additive; the weight percentage of the glass-ceramic composition is: SiO2 is 55-65, Al2O3 is 4-10, CaO is 10-20, MgO is 3-7, TiO2 is 4~7, Fe2O3 is 4.0~9.5, ZrO2 is 0~1.5, K2O-Na2O is 4~9. The invention has reasonable formula design, can comprehensively utilize Panzhihua titanium-containing vanadium-titanium magnetite tailings on a large scale, can effectively solve environmental pollution and safety problems caused by long-term accumulation of tailings, and can reduce production costs. The glass-ceramic with excellent quality can be produced by adopting the conventional manufacturing process of the existing glass-ceramic.
Description
technical field [0001] The invention relates to the technology of applying titanium-containing tailings of vanadium-titanium-magnetite to building decoration materials to produce glass-ceramic, in particular to a glass-ceramic produced from titanium-containing magnetite tailings. Background technique [0002] Glass-ceramic is a new type of material with high strength (bending resistance, compression resistance), hardness, corrosion resistance (acid resistance, alkali resistance) and wear resistance developed artificially in recent decades, also known as artificial granite. (or marble). Mainly used in architectural decoration, metallurgy, chemical industry, machinery, ceramics, medicine, astronomical telescope and other industries and departments. When used as a building decoration material, it has a texture similar to natural stone, beautiful and elegant, resistant to atmospheric corrosion, light in texture, and easy to process. In addition, interior and exterior wall deco...
Claims
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IPC IPC(8): C03C10/14
CPCC03C10/00C03C3/087
Inventor 陈登福白晨光董凌燕温良英廖琪
Owner CHONGQING UNIV