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宝钢烧结2DL的两台主抽风机(3#、4#主抽)因设计容量偏小,使用多年后,系统装置整体劣化,参数漂移,故障频繁,造成启动成功率低,影响生产。为此,于2007年进行了改造。通过精心设计,采取安装、调试期间新老系统并存的技术措施,在不影响正常生产的情况下,确保施工、调试顺利进行,主抽风机试车一次起动成功,如期投运。改造后6年来,变频起动装置运行稳定可靠,无故障纪录,烧结机非计划停机时间为零,效益显著。
Due to the small design capacity of the two main suction fans (3 #, 4 # main pumping) of the sintered 2DL at Baosteel, the overall system installation is deteriorated after many years of use, the parameters drift and frequent faults, resulting in a low startup success rate and affecting production. To this end, in 2007 carried out the transformation. Through elaborate design and installation of new and old systems during the installation and commissioning of technical measures, without affecting the normal production, to ensure the smooth construction and commissioning, the main exhaust fan test a successful start, put into operation on schedule. 6 years after the transformation, the frequency conversion starting device operates stably and reliably without any trouble record, the unscheduled downtime of the sintering machine is zero, and the benefit is remarkable.