Ammonia Concentration Analysis For The Steam
Condenser By Combining Two Phase Flow
CFD Simulation With Condensation
And Process Simulation
Author(s)
K. Karube, M. Maekawa, S. Lo & K. Mimura
Abstract
Ammonia corrosion in alumi-brass tubes in steam condensers can be a serious
problem. It generally occurs in the high ammonia concentration area. In this
case, it is planned to replace the alumi-brass tubes by higher grade material, such
as cupronickel. Therefore, it is important to minimize the area to be replaced in
order to keep the equipment cost down. It is known that the ammonia
concentration is related to the degree of corrosion damage. We propose a hybrid
analysis method to obtain ammonia concentration by combining two-phase flow
Computational Fluid Dynamics (CFD) analysis and network analysis by a
chemical engineering process simulator for the tube bundle. Ammonia
concentration obtained by the simulation is therefore used to determine the area
to be replaced by the higher grade material tubes.
Keywords: condensation, process simulation, CFD, ammonia concentration
distribution, network analysis.
Keywords
condensation, process simulation, CFD, ammonia concentration
distribution, network analysis
Related Book
Other papers in this volume
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