Patent ID: 10500543

Abstract:
A water filtration system (100) is provided. The water filtration system (100) includes: a filter cartridge assembly (10), a water-intake pipe (20), a purified-water pipeline (30), a pure-water pipeline (40) and a waste discharge pipeline (50). The filter cartridge assembly (10) has a water inlet (110), a purified-water outlet (120), a purified-water return port (130), a pure-water outlet (140) and a waste discharge port (150). The pure-water pipeline (40) is communicated with the pure-water outlet (140), and the pure-water pipeline (40) has a pure-water external port (410) and a second valve (420) configured to control on and off of the pure-water pipeline (40). The waste discharge pipeline (50) has a first end communicated with the waste discharge port (150) and a second end communicated with an outside.