Mechanism and forecast model of sticker breakout in continuous casting
WANG Rongrong1,2, WANG Min3,4, WANG Zhongliang3, XING Lidong3,4, AI Xingang5, BAO Yanping3
1. School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China; 2. HBIS Materials Technology Research Institute, Shijiazhuang 052165, Hebei, China; 3. State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China; 4. Technical Support Center for Prevention and Control of Disastrous Accidents in Metal Smelting, University of Science and Technology Beijing, Beijing 100083, China; 5. School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
Abstract：Continuous casting is one of the most important processes in the steel making process. There are many steel leakage accidents in the continuous casting process, which have many influencing factors and complex mechanisms. Among them, sticker breakout is the most common accident, accounting for about 70% of the total steel leakage. Continuous casting leakage can easily cause steel leakage, burns, fires and even explosions, resulting in casualties and huge property losses. In view of the above difficulties, the expansion of sticker fracture and the formation mechanism of sticker breakout were analyzed, the principle of forecasting sticker breakout was proposed based on thermocouple temperature measurement method and a sticker breakout forecasting model was established using neural network. The correct reporting rate of the test samples for sticker breakout forecasting model reached 100%, the forecasting rate was 97.56%. The spatial network model was verified, the output of the A-type spatial network met the expectation and could achieve the prediction of bonding in the spatial fracture expansion. The model has good application value and can provide support for the safe production of continuous casting.
王荣荣, 王敏, 王仲亮, 邢立东, 艾新港, 包燕平. 连铸黏结漏钢发生机理及预报模型[J]. 中国冶金, 2023, 33(11): 138-150.
WANG Rongrong, WANG Min, WANG Zhongliang, XING Lidong, AI Xingang, BAO Yanping. Mechanism and forecast model of sticker breakout in continuous casting[J]. China Metallurgy, 2023, 33(11): 138-150.
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2023, Vol. 33 
