A kind of quick-drying self-flowing castable for permanent layer of ladle
A technology of permanent layer and ladle, applied in the field of refractory materials, can solve the problems of easy leakage accident, high labor intensity in masonry, large brick consumption, etc., and achieve obvious dispersion and water reduction, construction and molding performance and Good performance and the effect of improving fluidity
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Embodiment 1
[0025] A quick-drying self-flowing castable for a permanent layer of a ladle, in terms of mass percentage, prepared from the following raw materials: pyrophyllite and fused mullite with a particle size of 1-9mm Stone composite material 66%, pyrophyllite and fused mullite composite material with a particle size of 0-1mm 17%, silicon nitride with a particle size ≤ 1mm 5%, water reducing agent 1%, explosion-proof agent 1%, binder 2% , particle size ≤ 60μm silica powder 2%, particle size ≤ 60μm activated alumina powder 3% and particle size ≤ 50μm silicon powder 3%.
[0026] Wherein, the mass ratio of pyrophyllite and fused mullite in the pyrophyllite and fused mullite composite material is 1:1; the water reducer is a mixture of polycarboxylate water reducer and sodium tripolyphosphate, The mass ratio of polycarboxylate water reducer and sodium tripolyphosphate in the water reducer is 1:1; the explosion-proof agent is a mixture of polystyrene fiber and basic aluminum lactate, and t...
Embodiment 2
[0028] A quick-drying self-flowing castable for a permanent layer of a ladle, in terms of mass percentage, prepared from the following raw materials: pyrophyllite and fused mullite with a particle size of 1-9mm Stone composite material 75%, pyrophyllite and fused mullite composite material with a particle size of 0-1mm 14%, silicon nitride with a particle size ≤ 1mm 2%, water reducing agent 1.2%, explosion-proof agent 0.8%, binder 3% 1% silica powder with a particle size of ≤60 μm, 1% of activated alumina powder with a particle size of ≤60 μm and 2% of silicon dioxide powder with a particle size of ≤50 μm.
[0029] Wherein, the mass ratio of pyrophyllite and fused mullite in the pyrophyllite and fused mullite composite material is 1:1; the water reducer is a mixture of polycarboxylate water reducer and sodium tripolyphosphate, The mass ratio of polycarboxylate water reducer and sodium tripolyphosphate in the water reducer is 1:1; the explosion-proof agent is a mixture of polys...
Embodiment 3
[0031] A quick-drying self-flowing castable for a permanent layer of a ladle, in terms of mass percentage, prepared from the following raw materials: pyrophyllite and fused mullite with a particle size of 1-9mm Stone composite material 60%, pyrophyllite and fused mullite composite material with a particle size of 0-1mm 17%, silicon nitride with a particle size ≤ 1mm 8%, water reducing agent 0.5%, anti-explosion agent 1.5%, binder 1% , particle size ≤ 60 μm silica powder 3%, particle size ≤ 60 μm activated alumina powder 4% and particle size ≤ 50 μm silica powder 5%.
[0032]Wherein, the mass ratio of pyrophyllite and fused mullite in the pyrophyllite and fused mullite composite material is 1:1; the water reducer is a mixture of polycarboxylate water reducer and sodium tripolyphosphate, The mass ratio of polycarboxylate water reducer and sodium tripolyphosphate in the water reducer is 1:1; the explosion-proof agent is a mixture of polystyrene fiber and basic aluminum lactate, a...
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