Hot-blast furnace pipe packing material and preparation method therefor
A technology of pipe sealing and hot blast furnace, which is applied in the field of metallurgical refractory materials to achieve the effects of improving high temperature performance, improving medium and high temperature sintering strength and wear resistance, and improving normal temperature strength
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Embodiment 1
[0048] The hot blast stove pipe sealing material of the present embodiment comprises, in parts by weight: 100 parts by weight of dry material and 15 parts by weight of silica sol binder; wherein,
[0049] 100 parts by weight dry material contains:
[0050]
[0051]
[0052] Among them, in the metal-nonmetal composite powder, the content of single crystal silicon and silicon dioxide is 34.47wt%, the content of silicon carbide is 62.58%, and the rest are impurities;
[0053] Activated alumina micropowder, commercially available, refractory raw material, the particle size distribution is mainly concentrated in 0.5-2μm;
[0054] Calcined alumina powder, commercially available, refractory raw material, the particle size distribution is mainly concentrated in the range of 2-5 μm;
[0055] Clay powder, commercially available, refractory raw material, the particle size distribution is mainly concentrated in 15-45μm;
[0056] The curing agent is magnesium oxide, the particle si...
Embodiment 2
[0061] The hot blast stove pipe sealing material of the present embodiment comprises, in parts by weight: 100 parts by weight of dry material and 18 parts by weight of silica sol binder; wherein,
[0062] 100 parts by weight dry material contains:
[0063]
[0064]
[0065] Among them, in the metal-nonmetal composite powder, the content of single crystal silicon and silicon dioxide is 34.47wt%, the content of silicon carbide is 62.58%, and the rest are impurities;
[0066] Activated alumina micropowder, commercially available, refractory raw material, the particle size distribution is mainly concentrated in 0.5-2μm;
[0067] Calcined alumina powder, commercially available, refractory raw material, the particle size distribution is mainly concentrated in the range of 2-5 μm;
[0068] Clay powder, commercially available, refractory raw material, the particle size distribution is mainly concentrated in 15-45μm;
[0069] The curing agent is magnesium oxide, the particle si...
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