Patent ID: 10399021

Abstract:
A water purification system (1) includes a composite filter cartridge (100) that includes a pretreatment filter cartridge (110) and a filtration membrane assembly (120), and is provided with a raw water inlet (130), a pretreatment water outlet (140), a pressurizing pretreatment water inlet (150), a pure water outlet (160) and a condensed water outlet (170); a raw water inlet pipe (200) connected with the raw water inlet (130); a pure water outlet pipe (300) connected with the pure water outlet (160); a condensed water outlet pipe (400) connected with the condensed water outlet (170); a pretreatment water outlet pipe (500) connected with the pretreatment water outlet (140); a pressurizing pretreatment water inlet pipe (600) connected with the pressurizing pretreatment water inlet (150) and the pretreatment water outlet pipe (500) respectively; and a booster pump (900) disposed on the pretreatment water outlet pipe (500).