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- Title
Evaluation of drift and salt deposition from a natural draft seawater cooling tower. Part I: SACTI analysis.
- Authors
Lianqiang Zhang; Zhijie Li; Xue Li; Yinzhong Wang; Jianhua Yin; Chunhua You; Zongzhen Yang
- Abstract
Drift and salt deposition from natural draft seawater cooling tower is objectionable for several reasons, especially of the hazards for the environment and equipment. In this work, evaluation of drift and salt deposition from an oversize hyperbolic natural draft seawater cooling tower in closed-cycle cooling system was conducted using SACTI model. The drift droplets have high salt concentration about 1.5–2.0 times original sea water salinity. The data from Weather Research and Forecasting (WRF) model and National Centers for Environmental Prediction (NCEP) were accepted to forecast meteorological parameters. Contour maps of salt deposition of four seasons were drawn according to SACTI results, showing the extent and scope of the effect of salt deposition area of every season. Maximum salt deposition values in spring and summer exceed 10 g/(m²·month), and potential environmental hazards to the plants and equipment have been forming according to NUREG-1555. Furthermore, comparison of these four maps was made to show salt deposition influence area and trends. The SACTI analytical results provide valuable guidance for further field monitoring study, more field monitoring positions should be set up in severe salt deposition areas for more accurate results.
- Subjects
COOLING towers; MECHANICAL draft; COMPUTATIONAL fluid dynamics
- Publication
Desalination & Water Treatment, 2018, Vol 119, p130
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2018.22426