Dolomite-periclase-calcium zirconate composite fireproof material and preparation method thereof
A refractory material, calcium zirconate technology, applied in the field of refractory materials for smelting, can solve the problems of poor thermal shock stability, poor hydration resistance, poor erosion resistance, etc., to improve service performance, reduce sintering temperature, and promote sintering performance. Effect
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[0031] High-quality dolomite-periclase-calcium zirconate composite refractory material is prepared from the following raw materials by weight percentage: 5-8mm magnesia-calcium sand 8-10%; 3-5mm magnesia-calcium sand 9-18%; 1 -3mm magnesia calcium sand 10-22%; 0.5-1mm fused calcium zirconate 5-10%; 0.5-1mm magnesia 5-10%; 600 mesh fused calcium zirconate 3-10%; ≤0.5 mm magnesia 15-24%; large crystal magnesia 3-10%; binder 1-3%; sintering agent 1-2%.
[0032] The binding agent is made by dehydrating paraffin wax.
[0033] The sintering agent can be selected from any of the following materials: aluminum oxide, titanium oxide, boron oxide, and cerium oxide.
[0034] Prepare this high-quality dolomite-periclase-calcium zirconate composite refractory material based on 1000 kg of refractory material, the steps are as follows:
[0035] 1) Raw material preparation: The magnesia-calcium sand is mechanically crushed by jaw crusher, roller crusher, and cone crusher in sequence, and the...
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