What is the bottom of the furnace? What is the main reason for the rise in the bottom of the furnace?
The so-called bottom rise is the gradual increase of the bottom of the furnace during the smelting process, as if it is on the original lining, and a new layer of refractory material is applied. This is a new problem caused by improper operation of dolomite slag.
Briefly describe the role of the bottom blowing of the re-blowing in the process of converter smelting
In the later stage, the C-O reaction can be balanced, the oxygen content in the steel can be reduced, and the ultra-low carbon steel can be blown.
Briefly describe the task of deoxidizing molten steel
The content of non-metallic inclusions in the finished steel is reduced, the distribution is appropriate, and the shape is suitable to ensure the properties of the steel. A fine grain structure is obtained.
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