Pleonaste brick
A spinel brick and iron-aluminum spinel technology, applied in the field of magnesia-iron spinel brick, can solve environmental pollution and other problems, achieve the effect of ensuring comprehensive performance and reducing fuel consumption
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[0013] The magnesia-iron spinel brick of the present invention is prepared by using high-purity magnesia or fused magnesia, and synthetic fused iron-aluminum spinel as main raw materials, according to the following weight ratio and method:
[0014] In the first step, weigh 45-65 parts of high-purity magnesia or fused magnesia particles, 8-12 parts of synthetic magnesium-iron-aluminum spinel particles with a particle size of less than 2mm, 0.5-2 parts of reduced iron powder of 200 mesh, 200 mesh 10-20 parts of fused magnesia fine powder, 15 parts of 325-400 mesh high-purity magnesia fine powder, plus 3-5 parts of calcium lignosulfonate solution; the particle size gradation of high-purity magnesia or fused magnesia particles is: 20-30 parts of granular material with 3mm
[0015] In the second step, the above raw materials are mixed evenly in a wet mil...
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