A Systematic Approach Linking Condenser Performance to Heat Rate and CO_2 Emissions

摘要

A systematic approach to cooling system management was taken at InterGen’s Rocksavage PowerStation with the objective of improving the overall performance of the cooling tower and condenserunder varying conditions. The approach included a combination of engineering, operational andchemistry initiatives that led to measurable performance improvements. This paper will present thepath taken by the Rocksavage Power Station to not only improve condenser performance, but also toquantify the impact on plant heat rate and CO_2 emissions. Plant data over a multi-year timeframe wasused to document the improved operating practices and control. Due to the implementation of thesesystematic improvements, a significant improvement in system cleanliness was achieved that resultedin reduced steam turbine backpressure and better cooling tower efficiency. Savings opportunities interms of gas consumption and reduced carbon dioxide emissions were highlighted. These gains canhelp to improve the environmental performance of the Station, which would result in reduced totaloperating costs of the cooling system while maintaining condensing performance.