Method for producing calcium ferrite from iron oxide
A technology of iron oxide and calcium ferrite, applied in the field of metallurgy, can solve the problems of affecting the effect and function of calcium ferrite, affecting the composition of calcium ferrite, consuming large resources, etc., achieving good dephosphorization conditions, saving dosage, and speed of slagging fast effect
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Embodiment 1
[0037] The method that utilizes iron oxide to produce calcium ferrite that the present embodiment provides, comprises the following steps:
[0038] 1) Crush and mix raw materials: respectively crush iron oxide, lime and bauxite, the particle size is 0 65%, Cao in lime> 92%, Al in bauxite 2 o 3 >85%;
[0039] 2) Put the mixed materials into the smelting furnace in batches and small batches, and carry out regular and quantitative electric melting under low pressure. The electrode is an iron electrode, and the low voltage is 100v;
[0040] 3) Flow the melted liquid into the abrasive tool for cooling, and the abrasive tool is made of special high temperature resistant material;
[0041] 4) The cooled calcium ferrite finished product can be crushed, screened and packaged.
Embodiment 2
[0043] The method that utilizes iron oxide to produce calcium ferrite that the present embodiment provides, comprises the following steps:
[0044] 1) Crush and mix the raw materials: respectively crush iron oxide, lime and bauxite, the particle size is 0 65%, Cao in lime> 92%, Al in bauxite 2 o 3 >85%;
[0045] 2) Put the mixed materials into the smelting furnace in batches and small batches, and carry out regular and quantitative electric melting under low pressure. The electrode is an iron electrode, and the low voltage is 90v;
[0046] 3) Flow the melted liquid into the abrasive tool for cooling, and the abrasive tool is made of special high temperature resistant material;
[0047] 4) The cooled calcium ferrite finished product can be crushed, screened and packaged.
Embodiment 3
[0049] The method that utilizes iron oxide to produce calcium ferrite that the present embodiment provides, comprises the following steps:
[0050] 1) Crush and mix raw materials: respectively crush iron oxide, lime and bauxite, the particle size is 0 65%, Cao in lime> 92%, Al in bauxite 2 o 3 >85%;
[0051] 2) Put the mixed materials into the smelting furnace in batches and small batches, and conduct regular and quantitative electric melting under low pressure. The electrode is an iron electrode, and the low voltage is 110v;
[0052] 3) Flow the melted liquid into the abrasive tool for cooling, and the abrasive tool is made of special high temperature resistant material;
[0053] 4) The cooled calcium ferrite finished product can be crushed, screened and packaged.
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