Abstract：In the CrNi stainless steelmaking operation, approximately 3040 kg scrap is converted into dust. The stainless steel dust contains large of iron oxide,oxide of chromium,nickel oxide and so on. So direct recycling of stainless steelmaking dust is very important. All kinds of recycling technology about dust were investigated in home and abroad. By thermodynamics calculating, the dust is agglomerated to add into EAF to direct recycling, meantime, add the reducing matter of carbon and silicon to reduce the metallic elements of dust. This recycling technology has been tested in the 160 t EAF. The experimental results indicated that recovery ratio of Fe is independence for carbon content of tapping of molten steel and SiFe adding and slag basicity and temperature of tapping of molten steel, but it is influence recovery ratio of nickel and chromium.
2009, Vol. 44 
