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Silicon carbide brick and preparation method thereof
The invention relates to a silicon carbide brick and a preparation method thereof. According to the silicon carbide brick, silica is used as a main raw material, and is divided into silica powder, silica coarse powder and silica fine powder according to grain diameters. The graphene silicon carbide brick is prepared from silica powder, silica coarse powder, silica fine powder, graphene, composite mineralizer and binding agents including nano-sized chromic oxide and nano-sized titanium oxide. The silicon carbide brick is a graphene silicon carbide brick with excellent thermal shock resistance, strong slag and alkaline metal corrosion resistance, excellent washing resistance, excellent heat-isolation and insulation performance and good high-temperature volume stability; the contact inside the silicon carbide brick is closer due to the graphene, so that the stress generated by expansion when the brick is burnt can be reduced, and the brick is prevented from loosening or cracking; and due to the high strength of the graphene, the excellent mechanical performance of the silicon carbide brick is guaranteed, and the acid and alkali corrosion resistance of the silicon carbide brick can be improved.
Silicon carbide brick and preparation method thereof
The invention relates to a silicon carbide brick and a preparation method thereof. According to the silicon carbide brick, silica is used as a main raw material, and is divided into silica powder, silica coarse powder and silica fine powder according to grain diameters. The graphene silicon carbide brick is prepared from silica powder, silica coarse powder, silica fine powder, graphene, composite mineralizer and binding agents including nano-sized chromic oxide and nano-sized titanium oxide. The silicon carbide brick is a graphene silicon carbide brick with excellent thermal shock resistance, strong slag and alkaline metal corrosion resistance, excellent washing resistance, excellent heat-isolation and insulation performance and good high-temperature volume stability; the contact inside the silicon carbide brick is closer due to the graphene, so that the stress generated by expansion when the brick is burnt can be reduced, and the brick is prevented from loosening or cracking; and due to the high strength of the graphene, the excellent mechanical performance of the silicon carbide brick is guaranteed, and the acid and alkali corrosion resistance of the silicon carbide brick can be improved.
Silicon carbide brick and preparation method thereof
JING HONGWEI (author)
2015-11-11
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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