SMALL BOTTOM OF THE LOWER PART OF BLAST-FURNACE BOTTOM

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to ferrous metallurgy, in particular to u043au043eu043du0441u0442u0440u0443u043au0446u0438u00a0u043c blast furnace. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - raising u0433u0430u0437u043eu043fu043bu043eu0442u043du043eu0441u0442u0438 u0434u043eu043du044bu0448u043au0430 bottom u043bu0435u0449u0430u0434u0438. it u043bu0435u0449u0430u0434u0438 contains bottom welded weld metal sheets 1, made in the form of radial sectors by elastic joints u043au043eu043cu043fu0435u043du0441u0430u0442u043eu0440u043eu0432 2 u0442u0440u0443u0431u0447u0430u0442 wow a u0441u0435u0447u0435u043du0438u00a0.tube elements 2 connected in the central part of the bottom with air supply piping 3, and the suction of air from the piping. the invention u043fu043eu0437u0432u043eu043bu00a0u0435u0442 enhance the productivity of blast furnace and to increase the u043cu0435u0436u0440u0435u043cu043eu043du0442u043du044bu0435 periods of 5 to 10%. 1, z. s - lu, 4).