本文介绍变频调速节能技术在石油化工工业中的应用情况,列举渣油进料泵、加热炉鼓风机和液氨输送泵的变频节能改造应用实例。实践证明,应用变频调速技术,不仅减少了电动机、风机、泵和阀门等设备的故障率,延长其使用寿命,而且节约电能效果显著,从而实现了电动机、风机、泵类设备的经济运行,提高了企业的经济效益和社会效益,推进了石油化工企业节能降耗、降本增效和可持续性发展。 This article introduces the application of frequency conversion speed regulation and energy saving technology in petrochemical industry, and lists examples of application of frequency conversion energy saving in residue feed pump, heater blower and liquid ammonia pump. Practice has proved that the application of frequency control technology not only reduces the failure rate of motors, fans, pumps and valves and other equipment to extend its service life, and significant energy savings, enabling the economic operation of motors, fans, pumps and other equipment, Improve the economic and social benefits of enterprises, and promote the petrochemical enterprises to save energy, reduce costs and increase efficiency and sustainable development.