The purpose is to develop and to introduce the method of the gas dynamic protection of the metal surface in a ladle during the furnaceless treatment. An analytical expression for the open surface extent during blowing, an equation of the mass transfer through this surface are obtained. A model of the gas dynamic and gas conical protection during blowing in a ladle is developed. The blowing set using the gas dynamic and gas conical protection has been brought in practiceAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio
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