Physical Modeling Evaluation on Refining Effects of Ladle with Different Purging Plug Designs
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In: Steel research international, Vol. 91.2020, No. 6, 1900606, 25.03.2020.
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TY - JOUR
T1 - Physical Modeling Evaluation on Refining Effects of Ladle with Different Purging Plug Designs
AU - Tan, Fangguan
AU - He, Zhu
AU - Jin, Shengli
AU - Pan, Liping
AU - Yawei, Li
AU - Li, Baokuan
N1 - Publisher Copyright: © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
PY - 2020/3/25
Y1 - 2020/3/25
N2 - Circular slits are introduced in purging plugs for alleviating the stress concentration to prolong their service life. Herein, the effects of slits with different geometries on the mixing time, inclusion removal rate, and slag eye area are studied by water model method. Experimental results show that the inclusion removal rate decreases with increasing slit angle for the gas flow rate of less than 6.02 NL min −1. Moreover, with slit diameter increases, the mixing time and inclusion removal rate decrease when a gas flow rate is less than 5.26 NL min −1. The slag eye area increases with increasing slit diameter, and the slit angle has a positive influence on the formation of the slag eye. Finally, the optimization of the mixing time and inclusion removal rate for less consumption of stirring energy and less slag entrapment indicates that the smaller the slag eye area is, the better the refining effect is.
AB - Circular slits are introduced in purging plugs for alleviating the stress concentration to prolong their service life. Herein, the effects of slits with different geometries on the mixing time, inclusion removal rate, and slag eye area are studied by water model method. Experimental results show that the inclusion removal rate decreases with increasing slit angle for the gas flow rate of less than 6.02 NL min −1. Moreover, with slit diameter increases, the mixing time and inclusion removal rate decrease when a gas flow rate is less than 5.26 NL min −1. The slag eye area increases with increasing slit diameter, and the slit angle has a positive influence on the formation of the slag eye. Finally, the optimization of the mixing time and inclusion removal rate for less consumption of stirring energy and less slag entrapment indicates that the smaller the slag eye area is, the better the refining effect is.
UR - http://www.scopus.com/inward/record.url?scp=85083501012&partnerID=8YFLogxK
U2 - https://doi.org/10.1002/srin.201900606
DO - https://doi.org/10.1002/srin.201900606
M3 - Article
VL - 91.2020
JO - Steel research international
JF - Steel research international
SN - 0177-4832
IS - 6
M1 - 1900606
ER -
