Economic impact of condenser fouling in existing thermoelectric power plants

This study presents a methodology to quantify the economic impact of condenser fouling on the performance of thermoelectric power plants. Various contributing factors are investigated, including fouling rate, plant load, cooling water inlet temperature and condenser cleaning. Analyses of condenser performance and power output are conducted for a representative 550 MW coal fired power plant. Results indicate that costs arising from additional fuel requirements and production losses associated with condenser fouling are in the range of 0.4–2.2 Million (USD 2009). Furthermore, this study shows that including the cost of revenue losses during a cleaning event can be a significant factor in determining the optimal number of cleanings that are performed throughout the operational year.

[1]  Eduardo M. Queiroz,et al.  Design optimization of shell-and-tube heat exchangers , 2008 .

[2]  Black.  Power Plant Engineering , 2005 .

[3]  Sandra R. Smith,et al.  Electric power monthly , 1992 .

[4]  Ka-Young Park,et al.  Enhanced high-temperature thermoelectric properties of Ce- and Dy-doped ZnO for power generation , 2013 .

[5]  Nancy L. Barber,et al.  Estimated Use of Water in the United States in 2000 , 2004 .

[6]  Michael E. Walker,et al.  Ammonia stripping in open‐recirculating cooling water systems , 2013 .

[7]  S. Chien,et al.  Corrosion Control When Using Secondary Treated Municipal Wastewater as Alternative Makeup Water for Cooling Tower Systems , 2010, Water environment research : a research publication of the Water Environment Federation.

[8]  Andrew Lee,et al.  A modular framework for the analysis and optimization of power generation systems with CCS , 2011 .

[9]  D. Dzombak,et al.  Effect of Tolyltriazole on the Corrosion Protection of Copper against Ammonia and Disinfectants in Cooling Systems , 2010 .

[10]  Warren D. Seider,et al.  Product and Process Design Principles: Synthesis, Analysis, and Evaluation , 1998 .

[11]  George Saxon,et al.  The Practical Application and Innovation of Cleaning Technology for Condensers , 2005 .

[12]  Jason D. Monnell,et al.  Control of mineral scale deposition in cooling systems using secondary-treated municipal wastewater. , 2011, Water research.

[13]  Anwar Khalil Sheikh,et al.  A risk based heat exchanger analysis subject to fouling. Part II : Economics of heat exchangers cleaning , 2000 .

[14]  W. Majewski,et al.  Predicting effects of power plant once-through cooling on aquatic systems : a state-of-the art report of IHP Working Group 6.2 on the effects of thermal discharges , 1977 .

[15]  D. Sales,et al.  Model for fouling deposition on power plant steam condensers cooled with seawater: Effect of water velocity and tube material , 2007 .

[16]  Antonio Casimiro Caputo,et al.  Joint economic optimization of heat exchanger design and maintenance policy , 2011 .

[17]  Lazaros G. Papageorgiou,et al.  Optimal Energy and Cleaning Management in Heat Exchanger Networks Under Fouling , 2000 .

[18]  Heng Li,et al.  Escalating water demand for energy production and the potential for use of treated municipal wastewater. , 2011, Environmental science & technology.

[19]  Nancy L. Barber,et al.  Estimated use of water in the United States in 2005 , 2009 .

[20]  Anwar Khalil Sheikh,et al.  A probabilistic approach to the maintenance of heat-transfer equipment subject to fouling , 1992 .

[21]  J. Smith,et al.  Introduction to chemical engineering thermodynamics , 1949 .

[22]  J. A. Veil,et al.  Use of reclaimed water for power plant cooling. , 2007 .

[23]  Urmila M. Diwekar,et al.  Optimal Design of Heat Exchangers: A Genetic Algorithm Framework , 1999 .

[24]  Heng Li,et al.  Reuse of Treated Internal or External Wastewaters in the Cooling Systems of Coal-Based Thermoelectric Power Plants , 2009 .

[25]  I. Suárez,et al.  Application of a design code for estimating fouling on-line in a power plant condenser cooled by seawater , 2001 .