Optimization of flow control device on twin channel induction heating tundish by simulation

Gao Wenxing; Yuan Jibai; He Junfeng; Liang Richeng; Li Yuanyuan

doi:10.7513/j.issn.1004-7638.2023.03.022

Volume 44 Issue 3

Jun. 2023

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2023 > 44(3): 144-151

Gao Wenxing, Yuan Jibai, He Junfeng, Liang Richeng, Li Yuanyuan. Optimization of flow control device on twin channel induction heating tundish by simulation[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(3): 144-151. doi: 10.7513/j.issn.1004-7638.2023.03.022

Citation:

Gao Wenxing, Yuan Jibai, He Junfeng, Liang Richeng, Li Yuanyuan. Optimization of flow control device on twin channel induction heating tundish by simulation[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(3): 144-151. doi: 10.7513/j.issn.1004-7638.2023.03.022

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Optimization of flow control device on twin channel induction heating tundish by simulation

doi: 10.7513/j.issn.1004-7638.2023.03.022

1.
Engineering Design Department, WISDRI CCTEC Engineering Co., Ltd., Wuhan 430073, Hubei, China
2.
Special Steel Department of Bensteel Co., Ltd., Benxi 117000, Liaoning, China
3.
Steelmaking Plant of Guangxi Iron and Steel Group Co., Ltd., Fangchenggang 538000, Guangxi, China

Received Date: 2022-12-24
Publish Date: 2023-06-30

Abstract

Abstract

In order to solve the problems of low volume utilization, short average residence time and poor consistency of each flow of the twin channel induction heating tundish without flow control devices, weirs with different diversion holes and heating twin channels were designed. The flow field and temperature field of tundish are simulated by numerical simulation and water simulation. Simulation results show that the flow of molten steel can be improved by setting a wall in the tundish. For Scheme A2 (two diversion holes are opened on the splayed wall, with diameter of 130 mm and a horizontal inclination of 5° to the retaining wall, an elevation of 25° for the lower hole and 15° for the upper hole), the average residence time is extended by 207.2 s, the dead zone volume is reduced by 23.89%, and the maximum temperature difference between the edge nozzle and the middle nozzle is 3 ℃. Scheme E2 (Runway type heating twin channel) can achieve better heating effect on tundish. The production practice has proved that the maximum temperature difference between the edge water outlet and the middle water outlet is about 3～4 ℃.The optimized flow control device improves the fluidity inside the tundish.
- tundish,
- induction heating,
- flow control device,
- temperature field,
- flow field

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References(22)

References

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