Steel slag baking-free brick
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 山东济钢泰航合金有限公司
- Publication Date
- 2008-08-27
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
Figure 1
Abstract
Description
technical field
[0001] The invention belongs to the field of steel slag recycling, in particular to a steel slag burn-free brick. Background technique
[0002] Steel slag is the slag discharged during the steelmaking process, mainly the oxides formed after the oxidation of various elements in the metal charge, the eroded furnace lining and repair materials, the impurities brought in by the metal charge, and the smelting of different steel types. Limestone, dolomite, iron ore, fluorite and other slagging materials are specially added. Steel slag accounts for 15-20% of solid waste in the iron and steel industry, and about 180Kg of steel slag will be discharged for every ton of crude steel produced. There are more than 200 million tons of steel slag accumulated in my country, covering an area of more than 10,000 mu. A large amount of steel slag not only invades the land, Moreover, the steel slag is easily weathered into alkaline dust during the stacking process, causing serio...