Waste and dust utilisation in shaft furnaces
Keywords:Recycling, Injection, Shaft furnace, Dust, Sludge
Wastes and dusts from steel industry, non-ferrous metallurgy and other branches can be utilized e.g. in agglomeration processes (sintering, pelletizing or briquetting) and by injection into shaft furnaces. This paper deals with the second way. Combustion and reduction behaviour of iron- and carbon-rich metallurgical dusts and sludges containing lead, zinc and alkali as well as other wastes with and without pulverized coal (PC) has been studied when injecting into shaft furnaces. Following shaft furnaces have been examined: blast furnace, cupola furnace, OxiCup furnace and imperial-smelting furnace. Investigations have been done at laboratory and industrial scale. Some dusts and wastes under certain conditions can be not only reused but can also improve combustion efficiency at the tuyeres as well as furnace performance and productivity.
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How to Cite
Senk, D., Babich, A., & Gudenau, H. W. (2005). Waste and dust utilisation in shaft furnaces. Revista De Metalurgia, 41(Extra), 284–288. https://doi.org/10.3989/revmetalm.2005.v41.iExtra.1041
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