The operator also sought to improve turbine reliability traced to first-stage blading issues.Ī Murray footprint replacement turbine was installed with a revamped steam path and new first stage blading. The objective was to modernize the existing steam turbine (installed in 2006) at a new steam condition set to accommodate a revamped blower. Little or no change is required to connections and associated turbine systems, thereby reducing downtime.Ī phosphoric acid production plant operator for example, used this approach to increase plant capacity by 25%. Investment is typically about 70% of the cost of a new unit. This option is often advisable when modifications must be made for new operating data or when the service life of highly stressed components has been exhausted. The replacement machine’s outer casing can be tailored for the process, including using a more modern and robust material of construction.Īdditionally, all stationary components are replaced to ensure optimal interaction with the turbine rotor, including the blading. The current oil system, the driven machine, and/or the gear can be adapted according to new operating parameters. This is essentially a replacement machine that requires only slight changes to the existing base frame or foundation. The turbine and all components are modernized, but the dimensions and the positioning of the flanges are not changed. However, this is not always optimal for improving the turbine’s long-term performance and reliability. As a result, some opt for low cost partial modernizations or short-term repairs. This may be attributable to a CAPEX-constrained environment, as well as concerns about downtime associated with installing new units. Some units were installed 50 or 60 years ago with heat rates and reliability levels well below what current models can achieve. They enable production processes across a range of industries, including oil and gas, real estate heating, ventilation, and air conditioning (HVAC) chillers, food and beverage, chemical processing, and power generation.ĭespite their continued relevance, many facilities operate steam turbines that are in need of modernization. Steam turbines have been a staple of industrial facilities for more than a century.
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