Environment-friendly magnesia-chrome brick for steel refining and non-ferrous metal smelting and preparation method thereof
A technology of non-ferrous metals and magnesia-chrome bricks, applied in the field of magnesia-chrome refractory materials, can solve problems such as human and environmental hazards, strong carcinogenic fractures, etc., and achieve significant economic benefits, benefit human health, and far-reaching historical significance
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[0053] The specific embodiment of the present invention is further described below:
[0054] The present invention is an environment-friendly magnesia-chrome brick for iron and steel refining and non-ferrous metal smelting, and the weight ratio of the magnesia-chrome brick is shown in Table 3:
[0055] Table 3 Proportion examples of environmentally friendly magnesia-chrome bricks for iron and steel refining and non-ferrous metal smelting
[0056] ingredients
[0057] 0
[0058] The preparation method of above-mentioned embodiment 1-4 is identical, and completes according to the following steps:
[0059] 1) Crushing, screening and fine grinding of raw materials:
[0060] The magnesia is crushed in the crusher to make raw materials with two particle sizes of 1<particle size≤3mm and 0mm<particle size≤0.088mm.
[0061] The magnesia chrome sand is crushed in a crusher to make raw materials with three particle sizes of 3<part...
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