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With the increasing requirements for the quality of special steel in the domestic manufacturing industry, improving EAF steelmaking process and equipment level has become the key to improving the quality of EAF steel products.
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Saving production costs is a major advantage of continuous charging EAF. The production cost savings brought by the continuous charging EAF smelting process mainly comes from continuous charging and stable smelting state. These factors determine that less total energy (electrical and chemical) needs to be consumed in the smelting process, and can use energy better and more efficient.
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Low voltage and small current must be used to slowly heat up the brine furnace (carbon free furnace lining). If the temperature rises rapidly, the brine will vaporize violently and cause furnace bottom cracking and furnace wall cracking. In the process of furnace drying, it is necessary to arrange an interval to cut off power, check the electrode position of furnace drying, furnace lining sintering, equipment and water cooling system
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Electric arc furnace: analysis of the advantages of bottom blowing technology. (1) It promotes the melting of scrap steel and reduces the soft melting phenomenon in the cold zone, in order to help eliminate the cold zone existing in the electric arc furnace steelmaking process.
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Electric arc furnaces use electric energy as their main energy source. Electric energy is arc drawn through the discharge of graphite electrodes and the charge to produce high temperatures above 2000 ~ 6000 ℃, and the scrap steel raw materials are melted by means of arc radiation, temperature convec
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