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1 绪言在连续铸造过程中,高精度测量模内钢水液位并将它控制在一定位置上,对于提高铸件质最和实现省力化、操作稳定化等方面来说是一种极为重要的技术。过去,应用放射性同位素法(RI法)和热电偶法实现钢水液位的测最及控制。然而,它们在响应性、安全性、使用方便等方面,还存在一些问题。为此,开展了应用反馈放大型涡流距离计的涡流式连续铸模钢水液位计的研究工作,制成了具备期望性能的,既安全又便宜
1 INTRODUCTION In the continuous casting process, high-precision measurement of molten steel in the mold and control it in a certain position, for improving the quality of the casting and the realization of labor-saving, operational stability is an extremely important technology. In the past, the application of radioactive isotope method (RI method) and thermocouple method to achieve the molten steel level measurement and control. However, they still have some problems in terms of responsiveness, safety and ease of use. To this end, the application of eddy current gauge feedback amplification eddy current continuous casting molten steel level gauge research work has been made with the desired performance, both safe and cheap