Patent ID: 9108162
Filing Date: 2015-08-18
Classification: B01D,C02F,Y02A,Y02W

Abstract:
1. An energy exchange chamber for utilizing pressure energy of concentrated seawater discharged from a reverse-osmosis membrane-separation apparatus as energy for pressurizing seawater in a seawater desalination system for producing fresh water from the seawater by passing the seawater pressurized by a pump through said reverse-osmosis membrane-separation apparatus to separate the seawater into fresh water and concentrated seawater, said energy exchange chamber comprising: a cylinder configured to define a chamber therein; a concentrated seawater port configured to introduce and discharge the concentrated seawater; a seawater port configured to introduce and discharge the seawater, a first flow regulator and a second flow regulator disposed adjacent to each other in said chamber so as to be spaced apart from said concentrated seawater port, said first flow regulator and said second flow regulator being spaced apart from each other at a certain distance; and a third flow regulator and a fourth flow regulator disposed adjacent to each other in said chamber so as to be spaced apart from said seawater port, said third flow regulator and said fourth flow regulator being spaced apart from each other at a certain distance, wherein each of said first flow regulator, said second flow regulator, said third flow regulator and said fourth flow regulator comprises a porous plate configured to regulate a flow by a porosity of said porous plate, and said porous plate comprises a perforated plate configured to have a plurality of holes perforated across an entire area of said porous plate.