Recombined magnesium-chromium assembled brick for RH furnace

The utility model relates to refractory material for external refining, specifically to a recombined magnesium-chromium assembled bricks for an RH furnace. A brick body is arc0shaped, a side of the brick body toward an inner side of a vacuum tank is an inner wall, an opposite side is an outer wall, two sides are side walls, an upper side and a lower side are an end face and a lower end face respectively, both the inner wall and the outer wall are arc cylindrical surfaces, bosses are arranged in positions of the outer wall which are close to the upper end face, and the thickness of the upper end face is larger than that of the lower end face. The recombined magnesium-chromium assembled brick for the RH furnace provided by the utility model improves bonding strength between bricks and the degree of adaptability between brick layers, greatly improves the anti-infiltration capability of a product, improves safety of operation of a finery, and reduces labor strength of masonry workers.