Effect of Slag Properties on Mixing Phenomena in Gas-stirred Ladles by Physical Modeling
The effect of slag properties (thickness and viscosity), have been evaluated in terms of mixing time, exposed surface or ladle eye and energy dissipation. A nozzle configuration defined in terms of the number of nozzles, its radial position and gas flow rate has been employed to describe the influen...
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Veröffentlicht in: | ISIJ International 2014/01/15, Vol.54(1), pp.1-8 |
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description | The effect of slag properties (thickness and viscosity), have been evaluated in terms of mixing time, exposed surface or ladle eye and energy dissipation. A nozzle configuration defined in terms of the number of nozzles, its radial position and gas flow rate has been employed to describe the influence of the top layer on mixing phenomena. It has been found a negative effect of both slag thickness and slag viscosity on mixing time, on the other hand, the same properties are useful to decrease the exposed surface or ladle eye. An empirical approach using water modeling is suggested to evaluate the average velocity of the bulk liquid. The method was used to define the fraction of stirring energy consumed by the top layer. The result is in agreement with a previous investigation. |
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The result is in agreement with a previous investigation.</description><subject>Applied sciences</subject><subject>correlations</subject><subject>empirical equations</subject><subject>energy dissipation</subject><subject>Exact sciences and technology</subject><subject>gas injection</subject><subject>gas-stirred ladles</subject><subject>hydrodynamics</subject><subject>Metals. 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subjects | Applied sciences correlations empirical equations energy dissipation Exact sciences and technology gas injection gas-stirred ladles hydrodynamics Metals. Metallurgy mixing time multi-tuyere physical modeling slag covered gas stirred ladles slag eye water model |
title | Effect of Slag Properties on Mixing Phenomena in Gas-stirred Ladles by Physical Modeling |
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