| 摘要 |
PURPOSE: Provided are burned magnesia-chrome firebrick using broken mg-cr bricks generated in a process for producing magnesia chrome-based bricks, which are used in a steel making field and a non-iron industry and improve corrosion resistance. CONSTITUTION: The calcined magnesia chrome-based fire bricks comprise 100pts.wt. of a main material comprising 60-80wt% of the broken mg-cr bricks and the balance of a magnesia clinker and 2-3pts.wt. of a binder, wherein the broken mg-cr bricks has a particle diameter of 3mm or less and contains 60-80wt% of MgO and 10-30wt% of Cr2O3 and the magnesia clinker contains more than 96% of MgO and has a particle diameter of 0.3mm or less.
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