钢铁精准化电磁加热技术研究现状和发展趋势

Research status and development trend of precision and targeting electromagnetic induction heating technology in iron and steel industry

钢铁行业作为能源消耗巨大的国民经济支柱型产业,绿色发展逐渐成为其可持续发展的内在需求。感应加热(induction heating,简称IH)技术正处在跨领域、多学科交叉的快速发展阶段,其本质是使加热过程更加精确可控。分析了电磁加热精准化在电磁冶金、感应焊接、表面热处理等钢铁加工领域的发展现状,探讨了感应加热技术的发展趋势。IH电源智能化和变频自适应为未来IH精准化快速发展提供了可靠的基础设备。IH精准化技术在钢铁加工领域积极推动了精品钢铁生产。提高IH技术对加热目标靶向性以及预控能力,并精确获得合理梯度温度分布是钢铁热加工行业需要面对和进一步解决的技术问题。

As a pillar industry of the national economy with huge energy consumption,the green development of the iron and steel industry gradually becomes the intrinsic demand.The induction heating(IH)technique in the metallurgical field is in a cross-cutting,multidisciplinary rapid development stage,and the trend is that the heating process is becoming more precise and more controllable.The development status of precision and targeting electromagnetic induction heating in the field of iron and steel processing such as electromagnetic metallurgy,induction welding and surface heat treatment were analyzed.The intelligence and frequency conversion adaptive of the IH power supply provides a reliable basic equipment for the rapid development of IH precision technology in the future.The development trend of induction heating technology in this field was discussed.The IH precision technology in the field of iron and steel research will play apositive role in the production of fine steel.Improving the targeting and pre-control ability of the IH technology to the heating target and accurately obtaining the reasonable gradient temperature distribution are issues that will be faced and solved in the development of the thermal processing which was in the iron and steel industry.