Preparation of Pellets from Manganese Concentrate for the Production of Ferromanganese
METALURGIJA(2023)
摘要
The results of studies on the production of pellets for the metallurgical stage based on manganese concentrate with a manganese content of 34 %, obtained from waste manganese-containing sludge, are presented. Kaolin and highiron diatomite in combination with calcium oxide and coke were tested as binder components of charges. Manganese-containing pellets were produced by composition pelletizing in a Eirich high-speed mixer-granulator. The size of pellets in the form of rounded granules was in the range of 5 - 10 mm. Sintering roasting temperature of pellets was 1.150 - 1.200 degrees C. Strength of roasted pellets was 1 313 with kaolin as binder, 1 940 with diatomite, and diatomite with lime addition - 2058 N/pellet respectively.
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关键词
manganese concentrate,pellets,granulation,strength,x-ray research
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