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Analysis of advantages of eAF bottom blowing technology (1) Promote the melting of scrap steel, reduce the soft melting phenomenon of cold zone, in order to help eliminate the existence of cold zone in the process of eAF steelmaking. (2) it is beneficial to improve the reaction rate of steel slag i
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The furnace top, also known as the furnace cover, is in a circular arch shape and can be moved. The outer ring is a water-jacketed steel structure. During the smelting process, the furnace roof (especially the central part of the furnace roof, around the electrode hole and the dust removal hole) is at high temperature for a long time. The state of the furnace is also affected by sudden changes in temperature. The chemical corrosion of furnace gas and slagging powder, the radiation of electrode arc and the erosion of smoke and dust, the dust on the furnace roof also produces pressure and hinders heat dissipation. The furnace roof is also subject to mechanical The function of vibration, the working conditions are very bad, it is the weak link of the whole furnace lining.
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What are the main aspects of electric arc furnace intensified smelting and process energy saving? In recent years, Chinese electric arc furnace steelmaking enterprises have adopted different intensified smelting process technologies and equipment, and have made significant progress in improving production efficiency, reducing smelting power consumption, and recovering secondary energy. Energy-saving technologies of electric arc furnace steelmaking process mainly include:
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According to the development trend of electric furnace steelmaking and the trend of general contracting of refractory materials, we should pay attention to refractories for electric furnaces as general contracting of refractory materials.The life of electric smelting furnace is not only closely rela
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Electric arc furnaces use electric energy as their main energy source. Electric energy draws arcs through the discharge of graphite electrodes and the charge to generate a high temperature of 2000 ~ 6000 ℃ or more. The scrap steel raw materials are melted by arc radiation, temperature convection and
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