Crystallizer casting powder applied to high-speed continuous casting

The invention discloses crystallizer casting powder applied to high-speed continuous casting. The casting powder comprises basic powder and a heating agent before the casting powder is added into a crystallizer; the heating agent contains at least one of zero-valent silicon, zero-valent calcium, silicon-calcium alloys, silicon carbide, calcium carbide and calcium silicon carbide; the basic powder comprises CaO, SiO2, Al2O3, B2O3, MgO, Na2O, CaF2 and C; after the casting powder is added into the crystallizer, the casting powder is reacted to form final casting powder with binary alkalinity (CaO/SiO2) of 0.6-1.0. The casting powder has low viscosity and melting temperature, is high in melting speed, and is capable of forming a stable liquid layer, lubricating casting blanks, controlling heat transfer, absorbing inclusions in steel without performance deterioration, and ensuring smooth proceeding of the continuous casting process. 本发明公开了一种高拉速连铸用结晶器保护渣。所述保护渣在加入结晶器前，包括基础渣和发热剂；所述发热剂含有零价硅、零价钙、硅钙合金、碳化硅、碳化钙、碳化硅钙中的至少一种