FIELD: sea water desalination systems. SUBSTANCE: plant includes high- pressure plunger pump, inversely osmic distilling module and sea water prefilter provided with filter cartridges and mounted between pump and distilling module; filter cartridges have different diameters and different pores; at least three cartridges of lesser diameter with smaller pores are placed in cavity of each cartridge of larger diameter with larger pores. Besides that, filter cartridges are made for elastic deformation in radial direction under action of pulse pressure of sea water. EFFECT: improved vibration and noise characteristics of plant; reduced operational expenses; increased service life of semipermeable membranes. 6 dwg
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