COIL-ANNEALING BELL-TYPE FURNACE WITH HIGH-TEMPERATURE HEATING OF SHIELDING GAS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to ferrous metallurgy, namely to thermal u043eu0442u0436u0438u0433u0443 coils of sheet steel in bell furnace the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 improvement are u043bu044cu043du043eu0441u0442u0438 furnace for heating time by u0441u043eu043au0440u0430u0449u0435u043du0438u00a0 u043eu0442u0436u0438u0433u0430u0435u043cu044bu0445 coils.the invention provides a cap 1 and u043cu0443u0444u0435u043bu044c 3 installed on a stand 2 in u043fu043eu043bu0443u043c fehl by space u0438u043cu0435u0435u0442u0441u00a0 u0433u043bu0443u0445u043eu0434u043eu043du043du0430u00a0 u043fu043eu043bu0430u00a0 box 4, u0443u0441u0442u0430u043du043eu0432u043bu0435u043du043du0430u00a0 booth 2 furnace in the hollow box 4 are u043eu0442u0432u0435u0440u0441u0442u0438u00a0 5, sum of square u0441u0435u0447u0435u043du0438u00a0 which u0443u0432u0435u043bu0438u0447u0438u0432u0430u044eu0442u0441u00a0 u043fu0440u00a0u043cu043e proportionately u0440u0430u0441u0441u0442u043eu00a0u043du0438u044e from platform 2 to u0443u0440u043eu0432u043du00a0 u0440u0430u0441u043fu043eu043bu043eu0436u0435u043du0438u00a0 ans. u0435u0440u0441u0442u0438u0439 5, which coincides with the level of the installation u043au043eu043du0432u0435u043au0442u043eu0440u043du044bu0445 rings 6.each u043au043eu043du0432u0435u043au0442u043eu0440u043du043eu0435 ring 6 is equipped with the gas distribution chamber 7, by which the cavity u0433u043bu0443u0445u043eu0434u043eu043d noah hollow inserts 4 u0441u043eu043eu0431u0449u0430u0435u0442u0441u00a0 with complete u043au043eu043du0432u0435u043au0442u043e u0440u043du043eu0433u043e ring 6, and in the latter there are channels 8, isolated from the cavity u043au043eu043du0432u0435u043au0442u043eu0440u043du043eu0433u043e rings 6 and are designed u0434u043bu00a0 passage of gas along the hollow box 4.u0441u043eu043eu0441u043du043e with her on the stand 2 is a plasma torch 9 with the system of protective gas. 1 or (l (h) of about yu