Before revision: A: High pressure side, B: Low pressure side, C: Rotor rotation, D: Sealed area, 1:High pressure reject water inflow, 2:Pressurized sea water, 3: Low pressure sea water inflow, 4: Low pressure reject water drain, A pressure exchanger transfers pressure energy from a high pressure fluid stream to a low pressure fluid stream.
After revision: 1:High pressure reject water inflow, 2:Pressurized sea water, 3: Low pressure sea water inflow, 4: Low pressure reject water drain, A pressure exchanger transfers pressure energy from a high pressure fluid stream to a low pressure fluid stream.