Redesign Of A High Speed Compressor Drive Steam Turbine To Overcome Capacity, Efficiency, And Reliability Issues.

LecturePg. 39-44A case study of the redesign of a syngas compressor drive turbine is presented. The unit was installed as part of a relocated ammonia plant, and experienced reliability and performance problems from the start. A completely redesigned steam path was installed with the intention of correcting these issues. The unit continued to experience poorer than expected efficiency, and was forced down due to a first stage blade failure and performance shortfall. Several inherent issues with the original turbine configuration were uncovered that contributed to the reliability and efficiency issues. A second, complete redesign of the steam path was installed to overcome these inherent problems to provide reliable, efficient operation of the turbine