METHOD OF PRODUCING FUSED-CAST BADDELEYITE-CORRUNDUM REFRACTORY

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 ways u0438u0437u0433u043eu0442u043eu0432u043bu0435u043du0438u00a0 u043fu043bu0430u0432u043bu0435u043du043eu043bu0438u0442u043eu0433u043e u0431u0430u043au043eu0440u043eu0432u043eu0433u043e og - u043du0435u0443u043fu043eu0440u0430. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improving the quality of u043eu0433u043du0435u0443u043fu043eu0440u0430 by u0441u043du0438u0436u0435u043du0438u00a0 u0441u043eu0434u0435u0440u0436u0430u043du0438u00a0 wherein iron oxide and simplified technology.method u0438u0437u0433u043eu0442u043eu0432u043bu0435u043du0438u00a0 u043fu043bu0430u0432u043bu0435u043du043eu043bu0438u0442u043eu0433u043e u0431u0430u043au043eu0440u043eu0432u043eu0433u043e u043eu0433u043du0435u0443u043fu043eu0440u0430 includes the classification of crushed u043eu0441u0442u0435u043au043bu043eu0432u0430u043du043du043eu0433u043e after service in glass melting furnaces u0431u0430u043au043eu0440u043eu0432u043e the scrap, in which u0432u044bu0434u0435u043bu00a0u044eu0442 fraction (25 + 1 mm), and then u043fu043bu0430u0432u00a0u0442 in electric arc furnace under a layer of u0433u043bu0438u043du043eu0437u0435u043cu0430. the u043eu0433u043du0435u0443u043fu043eu0440u044b contain iron oxide less than 0.2%. excluding stage magnetic separation greatly reduces costs. 2, table 2).