Silicon manganese 6014
The raw materials for the production of silicon manganese6014 alloy are manganese ore, manganese slag, silica, coke, dolomite (or limestone), fluorite.The production of mg-si alloy can use one kind of manganese ore or several kinds of manganese ore (including manganese rich slag) mixed ore.Because manganese silicon alloy requires low content of iron and phosphorus than high carbon ferromanganese, it is required that the manganese ore of smelting manganese silicon alloy has higher ratio of ferromanganese and manganese phosphorus.The higher the manganese content, the better the indexes.
Silicon manganese alloys are produced by the simultaneous reduction of manganese ore (including manganese slag) and manganese oxide and silicon dioxide in silica by carbon in the mine heat furnace.The production of mg-si alloy is carried out in the mineral hot furnace, using carbon reducing agent, manganese ore, manganese rich slag, sintered manganese ore, calcined manganese ore and silica as raw materials, lime, dolomite, fluorite and so on as flux in the electric furnace continuous production.
When manganese or silicon was deoxygenated separately under the same conditions, the burning loss rate was 46% and 37%, while the burning loss rate of silicon-manganese alloy was 29%.As a result, it has been widely used in steel training, its output growth rate is higher than the average growth rate of ferro-alloy, and higher than the growth rate of steel, which has become an indispensable composite deoxidizer and alloy additive in the steel industry.Carbon is 1.Less than 9% of the mg-si alloy is also used in the production of low carbon ferromanganese and electrosilicon-thermal metal manganese semi-finished products.In ferro-alloy production enterprises, the silicon-manganese alloy used in steel-smelting is usually referred to as commercial silicon-manganese alloy, the silicon-manganese alloy used for smelting low carbon iron is called self-use silicon-manganese alloy, and the silicon-manganese alloy used in smelting metal is called high-silicon-manganese alloy.MnSiO3, MnSiO and MnSiO3 are formed by the combination of manganese and silicon.It can be seen from the state diagram of silicon-manganese that the most stable silicate is MnSi.Due to the negative value of free energy generated by the silicification of manganese, it is far greater than the negative value of free energy produced by the carbide of manganese.
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