On July 1st, the steam turbine of the air separation unit of Shenhua Yulin Circular Economy Coal Comprehensive Utilization Project (First Stage) contracted by Hualu Engineering & Technology EPC was successfully impulse started. The operation of each system was stable, the overspeed bumping test was completed smoothly, and great progress was made in the construction of the project. The successful impulse start of the turbine indicates that the core equipment of Shenhua Yulin 3*100000 Nm3/h (O2) air separation unit is provided with the conditions to supply operation power.