Method and the device in order to produce the stainless steel without using the supply of electrical energy on the basis of the pig iron which is prepared with the DDD device,

摘要

In order to make the production of the stainless steel of all stainless steel qualities which have the territory of austenite type and the territory of ferrite type without using the supply of electrical energy the liquefied pig iron and on the basis of the FeCr solid matter, possible, in this case, the liquefied pig iron was heated, was refined and was alloyed, was restored, with the blast furnace (1) pretreatment, and with the DDD device (2) DDD processing (2) (the dephosphorization, deviation from silicon, desulfurization yellow) afterwards, continuing, the AOD converter (3 and 4) with, or was prepared with the blast furnace (1) and the DDD device, by this invention,The liquefied pig iron which does not have the slug to be separated, at the same time, two former twin AOD L converters (3 and 4) be carried, at the same time, these two former twin AOD L converters which do the opposite advance which is lined up (3 and 4) with, necessary chemistry () process of heating V8, decarbonizing and alloying V9, to be done under use of chemical energy of own power, at the same time, with the 1st twin AOD L converter (3), first, throwing and heating (V8) to be executed, at the same time, the 2nd twin AOD L converter with (4), first, decarbonization (V9) you propose that it is executed.