METHOD ferroalloy production from mineral raw materials

摘要

1.method of ferroalloy production of mineral u0441u044bu0440u044cu00a0, u0437u0430u043au043bu044eu0447u0430u044eu0449u0438u0439u0441u00a0 is that at the first stage of mineral raw materials are mixed with u0432u043eu0441u0441u0442u0430u043du043eu0432u0438u0442u0435u043bu00a0u043cu0438 - metals and it in the second stage u0435u0442u0430u043bu043bu0430u043cu0438 u0434u043eu0431u0430u0432u043bu00a0u044eu0442 u0444u043bu044eu0441u0443u044eu0449u0438u0435 supplements and additional restorers, at the third stage, received a mixture of heated up by u044du043au0437u043eu0442u0435u0440u043cu0438u0447u0435u0441u043au043eu0439 r u0435u0430u043au0446u0438u0438 and from additional sources of heat.after the u043au043eu043du0446u0435u043du0442u0440u0438u0440u0443u0435u0442u0441u00a0 u0437u0430u0432u0435u0440u0448u0435u043du0438u00a0 reaction product at the bottom of the original mixture, and u0448u043bu0430u043au043eu0432u044bu0435 impurities u043au043eu043du0446u0435u043du0442u0440u0438u0440u0443u044eu0442u0441u00a0 in upper part, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 t eat what u0444u0435u0440u0440u043eu0441u043fu043bu0430u0432 u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 u0442u0440u0435u043cu00a0 u043fu0435u0440u0435u043fu043bu0430u0432u0430u043cu0438, each of which u0441u0430u043cu043eu0441u0442u043eu00a0u0442u0435u043bu044cu043du044bu0439,namely, the first and provides the selection and concentration of mineral u0441u044bu0440u044cu00a0 metal by u043fu0440u0438u043cu0435u043du0435u043du0438u00a0 u044du043bu0435u043au0442u0440u043eu0434u0443u0433u043eu0432u043eu0433u043e remelting in the presence of u043du0435u043eu0431u0445u043eu0434 u0438u043cu044bu0445 reducing agents without u0432u043eu0432u043bu0435u0447u0435u043du0438u00a0 them unnecessary and redundant u0441u043eu0434u0435u0440u0436u0430u043du0438u00a0 u0444u043bu044eu0441u0443u044eu0449u0438u0445 additives, the second electro slag remelting using u043eu0431u043eu0433u0430u0449u0435u043du043du043eu0435 and u043fu043eu0434u043eu0433u0440u0435u0442u043eu0435 to a high temperature, feedstock,u0443u0432u0435u043bu0438u0447u0438u0432u0430u00a0 content of metal and u0443u043cu0435u043du044cu0448u0430u00a0 presence of impurities, and the third has a concentration of electro slag remelting u0444u0435u0440u0440u043eu0441u043fu043bu0430u0432u0430 to specified by the selection of m iron assy.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that the u0444u0435u0440u0440u043eu0441u043fu043bu0430u0432 can receive two remelting, namely the first and second electric u044du043bu0435u043au0442u0440u043eu0448u043bu0430u043au043eu0432u044bu0439, with the u043au043eu043bu0438u0447u0435u0441u0442 in the iron u0432u0432u043eu0434u0438u0442u0441u00a0 either in the first or in the second u043fu0435u0440u0435u043fu043bu0430u0432u0435, as well as the first and the second u043fu0435u0440u0435u043fu043bu0430u0432u0435.