Anhydrous gun mud Anhydrous gun mud generally uses corundum, high alumina bauxite, clay, sericite, pitch, silicon carbide, coke powder, etc. as raw materials, and uses tar, resin, etc. as binders.
The bulk density of corundum and high alumina bauxite is relatively large, and they play the role of supporting the skeleton in the gun mud, which is the foundation of the gun mud strength, which greatly improves the ability of the gun mud to resist the scouring of the iron slag solution; the coke powder has good reduction It can protect other carbon components, maintain the reducing atmosphere of the blast furnace taphole, and has good thermal conductivity, which can be quickly sintered and has a certain sintering strength; silicon carbide has a small thermal expansion coefficient, good thermal conductivity, and excellent thermal shock resistance, which can be improved The refractoriness, volume stability, high temperature strength and erosion resistance of gun mud; clay and asphalt improve the plasticity of gun mud; sericite improves the sintering strength and plasticity of gun mud. The anhydrous gun mud has the advantages of no dampness, high strength, stable taphole depth, small taphole changes during tapping, etc., and it will not cause a large flow.
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