METHOD OF HEATING BIG INGOTS IN REGENERATIVE SOAKING PITS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to ferrous metallurgy and can be used in heating regenerative solid bars in the wells. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 increase to exit the first class is rental by u0443u043bu0443u0447u0448u0435u043du0438u00a0 heating quality.method includes heating bars to the preset temperature, the yearning for u0441u0442u0443u043fu0435u043du0447u0430u0442u043eu043cu0443 rates, thermal treatment, heating to u0442u043eu043cu043bu0435u043du0438u0435u043c u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 medium soon stu recovery temperature not exceeding Vu0433 = 5.6 / 100P, c / min, where p is the phosphorus content in the u043du0430u0433u0440u0435u0432u0430u0435u043cu043eu0439 became%.method u043fu043eu0437u0432u043eu043bu00a0u0435u0442 avoid large temperature changes on section bars in the process of heat transfer at high temperatures contributed to keeping warm u043eu0444u0438u0437u0438u0447u0435u0441u043au0438u0445 properties of metal, improve the fit. 2, table 2).