Structural optimization and design of purging plug for improving its service performance

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Structural optimization and design of purging plug for improving its service performance. / Tan, Fang guan; Jin, Sheng li; He, Zhu et al.
In: Journal of iron and steel research international, Vol. 29.2022, No. September, 2021, p. 628-635.

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Tan FG, Jin SL, He Z, Li YW. Structural optimization and design of purging plug for improving its service performance. Journal of iron and steel research international. 2021;29.2022(September):628-635. Epub 2021 Sept 21. doi: 10.1007/s42243-021-00647-6

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@article{6d61698c9cd94675b584210d1812b407,
title = "Structural optimization and design of purging plug for improving its service performance",
abstract = "Purging plug with slits is widely used in the secondary refining process, and its service life determines the downtime and production efficiency. To achieve a good performance in service life, optimizing the geometric structure of the slit, which can alleviate the stress concentration around the slit, was employed using the finite plate model. Furthermore, the performance of the purging plugs with different shapes of slits in the refining effect was investigated by conducting the water model experiments. The numerical simulation results showed that the appropriate shapes of slits could alleviate the stress concentration phenomena. In the water model experiment, the mixing time of the purging plug with circular slits is lesser than that of the purging plug with rectangular slits when the gas flow is less than 6.02 L/min. Compared with the rectangular slits, the circular slits are detrimental to smaller and well-distributed bubbles. Thus, the inclusion removal rate of the purging plug with circular slits is approximately 10% larger than that of the purging plug with the rectangular slits.",
keywords = "Inclusion removal, Ladle metallurgy, Mixing time, Purging plug, Stress concentration, Water model experiment",
author = "Tan, {Fang guan} and Jin, {Sheng li} and Zhu He and Li, {Ya wei}",
note = "Funding Information: This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 51974211 and 12072245) and the Special Project of Central Government for Local Science and Technology Development of Hubei Province (Grant Nos. 2019ZYYD003 and 2019ZYYD076). Publisher Copyright: {\textcopyright} 2021, China Iron and Steel Research Institute Group.",
year = "2021",
doi = "10.1007/s42243-021-00647-6",
language = "English",
volume = "29.2022",
pages = "628--635",
journal = "Journal of iron and steel research international",
issn = "1006-706X",
publisher = "Maney Publishing",
number = "September",

}

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TY - JOUR

T1 - Structural optimization and design of purging plug for improving its service performance

AU - Tan, Fang guan

AU - Jin, Sheng li

AU - He, Zhu

AU - Li, Ya wei

N1 - Funding Information: This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 51974211 and 12072245) and the Special Project of Central Government for Local Science and Technology Development of Hubei Province (Grant Nos. 2019ZYYD003 and 2019ZYYD076). Publisher Copyright: © 2021, China Iron and Steel Research Institute Group.

PY - 2021

Y1 - 2021

N2 - Purging plug with slits is widely used in the secondary refining process, and its service life determines the downtime and production efficiency. To achieve a good performance in service life, optimizing the geometric structure of the slit, which can alleviate the stress concentration around the slit, was employed using the finite plate model. Furthermore, the performance of the purging plugs with different shapes of slits in the refining effect was investigated by conducting the water model experiments. The numerical simulation results showed that the appropriate shapes of slits could alleviate the stress concentration phenomena. In the water model experiment, the mixing time of the purging plug with circular slits is lesser than that of the purging plug with rectangular slits when the gas flow is less than 6.02 L/min. Compared with the rectangular slits, the circular slits are detrimental to smaller and well-distributed bubbles. Thus, the inclusion removal rate of the purging plug with circular slits is approximately 10% larger than that of the purging plug with the rectangular slits.

AB - Purging plug with slits is widely used in the secondary refining process, and its service life determines the downtime and production efficiency. To achieve a good performance in service life, optimizing the geometric structure of the slit, which can alleviate the stress concentration around the slit, was employed using the finite plate model. Furthermore, the performance of the purging plugs with different shapes of slits in the refining effect was investigated by conducting the water model experiments. The numerical simulation results showed that the appropriate shapes of slits could alleviate the stress concentration phenomena. In the water model experiment, the mixing time of the purging plug with circular slits is lesser than that of the purging plug with rectangular slits when the gas flow is less than 6.02 L/min. Compared with the rectangular slits, the circular slits are detrimental to smaller and well-distributed bubbles. Thus, the inclusion removal rate of the purging plug with circular slits is approximately 10% larger than that of the purging plug with the rectangular slits.

KW - Inclusion removal

KW - Ladle metallurgy

KW - Mixing time

KW - Purging plug

KW - Stress concentration

KW - Water model experiment

UR - http://www.scopus.com/inward/record.url?scp=85115233813&partnerID=8YFLogxK

U2 - 10.1007/s42243-021-00647-6

DO - 10.1007/s42243-021-00647-6

M3 - Article

AN - SCOPUS:85115233813

VL - 29.2022

SP - 628

EP - 635

JO - Journal of iron and steel research international

JF - Journal of iron and steel research international

SN - 1006-706X

IS - September

ER -