This article introduces a steel plant that has solved the problem of high water content in the cooling water control of the water-cooled furnace cover and the vacuum system of the RH refining furnace by technological transformation and optimization of LF and RH refining furnace equipment,providing stable equipment support for the production of high-end steel.The practical results show that these measures have significant improvement effects on the steelmaking and refining process,and have achieved considerable economic benefits.They have practical reference significance for other similar steel mills and have great promotion value.