Physical and mathematical modeling of inclusion removal with gas bottom-blowing in continuous casting tundish | Zendy

M.J. Zhang | Zendy; H.Z. Gu | Zendy; Ao Huang | Zendy; He Zhu | Zendy; Chengji Deng | Zendy

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Physical and mathematical modeling of inclusion removal with gas bottom-blowing in continuous casting tundish

Author(s) -

M.J. Zhang,

H.Z. Gu,

Ao Huang,

He Zhu,

Chengji Deng

Publication year - 2011

Publication title -

journal of mining and metallurgy section b metallurgy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.42

H-Index - 20

eISSN - 2217-7175

pISSN - 1450-5339

DOI - 10.2298/jmmb1101037z

Subject(s) - tundish , steelmaking , water model , continuous casting , physical modelling , flow (mathematics) , mechanics , residence time (fluid dynamics) , materials science , residence time distribution , tracer , metallurgy , environmental science , engineering , chemistry , geotechnical engineering , physics , computational chemistry , molecular dynamics , nuclear physics

Gas blowing at the bottom of tundish is an efficient metallurgy technique in clean steelmaking and has been widely concerned. In this paper, spherical alumina particles were selected to model inclusions, 1:3 scale model was utilized, the removal efficiency of inclusions with the gas bottomblowing in the tundish was studied by physical and mathematical modeling. The mathematical model is validated by comparing the predicted and measured residence time distributions and dye flow patterns of tracer. The results show that while the removal efficiency of large size particles has no obvious changes, the gas bottom-blowing has great contribution to the removal of small particles

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