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An electric arc furnace is an electric furnace that smelts ores and metals using the high temperature generated by an electrode arc.
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The loading amount of the furnace should be determined according to the furnace service.
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Electric arc furnace is an electric furnace that uses the high temperature produced by electrode arc to melt ores and metals. The energy is very concentrated when the gas discharge forms the arc, and the temperature of the arc area is above 3000 ℃. For metal smelting, the electric arc furnace is more flexible than other steelmaking furnaces, which can effectively remove sulfur, phosphorus and other impurities. The furnace temperature is easy to control, and the equipment occupies a small area, which is suitable for smelting high-quality alloy steel.
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How to reduce the consumption of three circumference electrodes in smelting is not only the technology of carbon manufacturers, but also the important work of smelting manufacturers to cooperate in the use and optimize the operation of electric furnaces.
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At present, the domestic electric arc furnace smelting of high carbon wear-resistant steel castings has developed rapidly, but its application in smelting high-end cast iron refractory castings is less.
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The working principle of electric arc furnace is that the electrode forms an arc between itself and the metal surface to be melted. At the beginning of the operation, the scrap is transported to the scrap workshop at one end of the EAF building. There are many forms of waste, from smashed cars to white appliances, steel and plates used in the kitchen.
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In the late 1970s, Krupp Stahl AG developed a simple steel slag separation technology, that is, according to the siphon principle, the original horizontal tapping hole of the electric arc furnace was changed to an inclined type. The inner end is buried in the molten steel to a certain depth, and the outer end of the furnace is higher than the molten steel level.
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The electric arc furnace slag-free tapping technology is a tapping technology in which the steel slag is separated when the steel is tapped in the electric arc furnace, the slag is left in the furnace, and the molten steel flows into the ladle. Common methods include siphon tapping method, center bottom tapping method, eccentric furnace bottom tapping method, etc.
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