梅山钢铁公司高炉助燃风机节能改造实践

Practice of energy saving reconstruction of blower blast in Meishan iron and steel company

结合冶金行业生产应用的实际情况,介绍了高压变频器在高炉热风炉助燃风机的应用案例,并根据梅山钢铁公司炼铁厂4号高炉助燃风机的工艺要求,详细阐述了变频改造原理及改造方案,并对改造后的节电效果及设备运行情况进行分析比较,结果显示,高炉助燃风机采用变频调速后,提高了生产效率,有效实现了节能。

Combined with the situation of production applica- tion in metallurgical industry, the paper describes the applied ease of high w）ltage inverter in combustion-supporting breeze maehine of blast furnace. According to technological requirements of blower blast in Meishan iron and steel company＇s NO.4 burner furnaee, the principle of frequency conversion retrofit and modification scheme is also presented in detail. Power energy saving effect and operation condition of equipments after transformation are comparatively analyzed.