High-strength self-flow type explosionproof refractory castable
A refractory castable, high-strength technology, applied in the field of refractory materials, can solve the problems that affect the normal production of cement kilns, reduce the strength of castables, burst and fall off castables, etc., achieve the effects of shortening the bonding time, reducing the amount of water added, and improving shock resistance
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Embodiment 1
[0021] For the high-strength self-flowing explosion-proof refractory castable in this embodiment, the following components by mass percentage can be mixed evenly: 6% of brown corundum with a particle size of 0-1mm, 19.7% of brown corundum with a particle size of 1-3mm, and Brown corundum 30% for 3-5mm, SiC particles 10% for particle size 0-1mm, SiO 2 Micro powder 3%, SiC fine powder 7%, white corundum powder 8%, α-Al 2 o 3 Micro powder 6%, pure calcium aluminate cement 8%, sodium tripolyphosphate 0.1%, polypropylene fiber 0.1%, metal aluminum powder 2%, silicone leveling agent 0.1%.
[0022] In this embodiment: the SiC fine powder has a particle size of 0.06 mm.
Embodiment 2
[0024] For the high-strength self-flowing explosion-proof refractory castable in this embodiment, just mix the following components in mass percentages: weigh the following mass fractions of materials: 15% brown corundum with a particle size of 0-1mm, and a particle size of 1-3mm 10% of brown corundum, 29.8% of brown corundum with a particle size of 3-5mm, 5% of SiC particles with a particle size of 0-1mm, SiO 2 Micro powder 4.8%, SiC fine powder 3%, white corundum powder 15.6%, α-Al 2 o 3 Micro powder 5.9%, pure calcium aluminate cement 7.9%, sodium tripolyphosphate 0.4%, polypropylene fiber 0.6%, metal aluminum powder 0.1%, silicone leveling agent 1.9%.
[0025] In this embodiment: the SiC fine powder has a particle size of 0.05 mm.
Embodiment 3
[0027] For the high-strength self-flowing explosion-proof refractory castable in this embodiment, just mix the following components in mass percentages: Weigh the following mass fractions of materials: 14.45% of brown corundum with a particle size of 0-1mm and a particle size of 1-3mm 20% of brown corundum, 15% of brown corundum with a particle size of 3-5mm, 9.8% of SiC particles with a particle size of 0-1mm, SiO 2 Micro powder 5%, SiC fine powder 6.9%, white corundum powder 18%, α-Al 2 o 3 Micropowder 3%, pure calcium aluminate cement 3%, sodium tripolyphosphate 0.38%, polypropylene fiber 0.57%, metal aluminum powder 1.9%, silicone leveling agent 2%.
[0028] In this embodiment: the SiC fine powder has a particle size of 0.08mm.
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