High Carbon Ferromanganese Production Method
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high-carbon-ferromanganese-production-method
The production of high-carbon ferromanganese by blast furnace method began in 1875 and has a history of more than 100 years. my country began to use blast furnaces to produce ferromanganese in 1949.
The blast furnace method is an early method used in the production of high carbon ferromanganese. This method uses coke as the reducing agent and heat source, dolomite or limestone as the flux, and uses a blast furnace to produce high-carbon ferromanganese.
The blast furnace method produces high-carbon ferromanganese. Due to the large amount of coke used, more impurities are brought into the product. In particular, the content of harmful element impurity phosphorus is much greater than that of electric furnace high-carbon ferromanganese. Although blast furnace production has the advantage of lower production costs, due to the increasing quality requirements of ferroalloys in the steel industry, its application scope is subject to certain limitations before the out-of-furnace dephosphorization technology gradually matures and is put into industrial production.
Principle of blast furnace ferromanganese smelting: The smelting of blast furnace ferromanganese uses carbon as the exothermic agent and reducing agent to reduce the oxides of manganese and iron in the blast furnace to generate ferromanganese, slag and gas. A series of complex physical and chemical processes.
| product | Trademark | price | ups and downs | Remark |
| Zambia manganese ore (container) | Mn44-46Fe<3% H2O<2% | -- | -- | FOB |
| Zambia manganese ore (container) | Mn48-50%Fe<3% H2O<2% | -- | -- | FOB |
| malaysian manganese ore | Mn24-25% SiO2>30% | 2.7-2.8 | -- | FOB |
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