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Ladle refining furnace (Ladle refining furnace) refers to equipment that has both the heating and refining functions of a steelmaking furnace. It is an important metallurgical equipment used for refining molten steel melted in primary furnaces (electric arc furnace, open hearth, converter), and can adjust the temperature of molten steel, process buffering, and meet continuous casting and continuous rolling requirements.
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Secondary refining refers to the refining outside the traditional steelmaking furnace (such as open hearth furnace, refining furnace and electric furnace). The main tasks of refining are deoxidation, desulfurization, dephosphorization, decarburization, inclusion removal, alloying and fine adjustment of composition. Statistics on the world crude steel output show that the world crude steel output has continued to grow in ups and downs in the past 30 years.
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Ladle refining furnace is an important metallurgical equipment used to refine the molten steel melted in primary smelting furnace (electric arc furnace, open hearth furnace and converter), and can adjust the molten steel temperature and process buffer to meet the requirements of continuous casting and continuous rolling. Ladle furnace is one of the main equipment for refining outside the furnace.
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The conventional equipment of ladle furnace includes: LF, VD, VOD, etc. It is the most widely used refining equipment outside the furnace in the world. It’s used to refine the molten steel melted in the primary refining furnace (medium frequency furnace, electric arc furnace, converter), and can adjust the molten steel temperature and buffer the process.
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Ladle refining furnace is not often encountered in our lives. I believe many friends are very unfamiliar with it, but it is one of the main equipment for refining outside the furnace. Let’s summarize its features, let’s learn together! What is a ladle refining furnace? It is used to refine the molt
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Liquid steel is heated by electric arc to obtain new heat energy, which can not only add alloy and adjust composition during ladle refining, but also add slag, which is convenient for deep desulfurization and deoxidation of liquid steel. What’s more, the start pouring temperature of liquid steel required by continuous casting is guaranteed, which is conducive to the improvement of dry slab quality.
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What is the difference between electric arc furnace and LF refining furnace? The use of ordinary electric arc furnace and LF refining furnace is not the same as the quality of finished steel The steel should be of high quality. General electric arc furnace and LF refining furnace with the use. E
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Efficacy and action of arbutin1, swelling and pain reliefArbutin has a particularly strong medicinal value, it can relieve pain, swelling and can diminish inflammation sterilization, can prevent the wound infection, accelerate the wound healing, now used clinically in many of the burns burns medici
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