介绍了交流变频调速技术在炼铁厂高炉出铁场一次除尘风机系统上应用对改善环境,节能降耗有明显效果认为该项技术值得在连续周期工作制的电机上推广应用。 The application of AC VVVF technology in the primary dust removal blower system of the blast furnace tundish in the ironworks is obviously applied to improve the environment and save energy and reduce consumption. It is considered that the technology is worth popularizing and applying on the motor with continuous cycle working system.