Castables for slag retaining walls and slag retaining walls
A technology of slag retaining wall and pouring material, which is applied in the direction of casting melt containers, manufacturing tools, metal processing equipment, etc., can solve the problems of not achieving the best thermal strength, affecting the use of tundish, and low strength of slag retaining wall, etc. Achieve the effect of low cost, good absorption and good thermal shock resistance
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Embodiment 1
[0019] The castable for the slag retaining wall is composed of the following components in weight percentage: 12.7% of 8-20mm bauxite, 12.9% of 5-8mm bauxite, 14.5% of 3-5mm bauxite, 15.8% of 1-3mm bauxite, 0~ 12.8% of 1mm bauxite, 13.6% of bauxite with a particle size of 200 mesh, 3.3% of 0-1mm magnesia, 8.35% of magnesia with a particle size of 200 mesh, 4.35% of silicon micropowder, 1.5% of steel fiber, 0.1% of sodium hexametaphosphate, explosion-proof Fiber 0.1%.
Embodiment 2
[0021] The castable for the slag retaining wall is composed of the following components in weight percentage: 12% of 8-20mm bauxite, 12% of 5-8mm bauxite, 20% of 3-5mm bauxite, 15% of 1-3mm bauxite, 0-3mm bauxite 12% 1mm bauxite, 12.5% bauxite with a particle size of 200 mesh, 3% magnesia with a particle size of 200 mesh, 8% magnesia with a particle size of 200 mesh, 4% silicon powder, 1.4% steel fiber, 0.06% sodium hexametaphosphate, explosion-proof Fiber 0.04%.
Embodiment 3
[0023] The castable for the slag retaining wall is composed of the following components in weight percentage: 11.2% of 8-20mm bauxite, 11.3% of 5-8mm bauxite, 25.5% of 3-5mm bauxite, 14.4% of 1-3mm bauxite, 0~ 10.9% 1mm bauxite, 11.7% bauxite with a particle size of 200 mesh, 2.7% magnesia with a particle size of 0-1mm, 7.65% magnesia with a particle size of 200 mesh, 3.65% silicon micropowder, and 1% steel fiber.
[0024] Al in the 8-20mm bauxite 2 o 3 content, Al in 5 ~ 8mm bauxite 2 o 3 content, Al in 3~5mm bauxite 2 o 3 content, Al in 1 ~ 3mm bauxite 2 o 3 content, Al in 0~1mm bauxite 2 o 3 content, Al in bauxite with a particle size of 200 mesh 2 o 3 The content of MgO in the 0-1mm magnesia and the MgO content in the magnesia with a particle size of 200 mesh are all equal to 88%. 95%, so that the magnesia has the characteristics of bending resistance, pressure resistance, high strength, etc., and improves the strength and bending resistance of the slag retainin...
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