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Electric arc furnace is a furnace for smelting ore and metal at high temperature generated by electrode arc. When gas discharge forms arc, the energy is very concentrated, and the arc temperature is above 3000 ℃.
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Electric arc furnace is an effective container for smelting minerals or metals. What is the principle of electric arc furnace? How does it complete the smelting of certain substances?
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The proportion of scrap steel making steel is increasing, and the future development space is broad. my country is a big country of iron and steel production. The proportion of long-process steel making is as high as 90%. There is a huge demand for iron ore (745, 16.00, 2.19%). At the same time, the dependence on iron ore has also remained above 80%. The countries that import iron ore in my country are relatively concentrated, and most of the importing countries are in Australia, Brazil and South Africa. Among them, Australia's imports accounted for more than 60%. The total amount of Australian ore imported by China accounts for more than 70% of the country’s ore output. A large amount of dependence on imports has made our country very passive in international ore pricing. International iron ore prices have also risen all the way, which has also put pressure on domestic steelmaking costs.
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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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The input energy of industrial electricity is in the form of chemical energy in fuel, electric energy, heat energy of high temperature flue gas, etc., aluminum alloy industrial electric arc furnace, and after industrial electric arc furnace conversion, it outputs steam, high temperature water or
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