Abstract: Disclosed is a water softener that includes a water softener valve and an ion exchange tank. The water softener valve includes a valve body and valve core assembly. The valve body includes a valve chamber, and a water inlet passage and a water outlet passage in communication with the valve chamber. The valve chamber, the water inlet passage, and the water outlet passage all extend in a first orientation, and the water inlet passage and the water outlet passage are both located at a periphery of the valve chamber and are disposed on opposite sides of the valve chamber in a second orientation. The water inlet passage and the water outlet passage respectively define a water inlet and a water outlet at a same end of the valve body along the first orientation. The second orientation and the first orientation are perpendicular to each other.

Abstract: A water purification system (100) is provided and includes: a composite filter cartridge assembly (1), a booster pump (4), a waste-water solenoid valve (7) and a water storage device. The composite filter cartridge assembly (1) includes a filter casing (11) and a composite filter cartridge (12). A pretreated-water outlet (114) of the filter casing (11) is connected with a water-output end of a pretreating filter cartridge (121) of the composite filter cartridge (12) and with the booster pump (4). A pretreated-water inlet (115) of the filter casing (11) is connected with a water-input end of a fine filter cartridge (122) of the composite filter cartridge (12) and with the booster pump (4). A purified-water port (116) of the filter casing (11) is connected with a water-output end of the fine filter cartridge (122), a water-input end of a mouthfeel-improving filter cartridge (123) of the composite filter cartridge (12) and the water storage device.

Abstract: A water filtration system (100) includes a filter cartridge assembly (10), a water-inlet conduit (20), a purified-water conduit (30), a pure-water conduit (40) and a waste-discharge conduit (50). The filter cartridge assembly (10) has a water inlet (110), a purified-water outlet (120) and a purified-water outlet (140). The water-inlet conduit (20) is in communication with the water inlet (110). The pure-water conduit (40) is in communication with the pure-water outlet (140). The purified-water conduit (30) is in communication with the purified-water outlet (120) and has a first valve body (320) configured to control on and off of the purified-water conduit (30). The waste-discharge conduit (50) is in communication with the purified-water conduit (30).

Abstract: A water filtration system (100) includes: a raw-water inlet (100a); a pure-water outlet (100b); a purified-water outlet (100c); a waste-water outlet (100d); an integrated filter cartridge (1); and a return flow path (101). The integrated filter cartridge (1) has a first port (10a), a second port (10b), a third port (10c) and a fourth port (10d). The purified-water outlet (100c) and the waste-water outlet (100d) both are connected to the third port (10c), and a water storage device (2) is provided to at least one of the fourth port (10d) and a flow path connected to the pure-water outlet (100b). The return flow path (101) has a first end connected between the first port (10a) and the raw-water inlet (100a) and a second end connected between the waste-water outlet (100d) and the third port (10c).

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 sewage 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 sewage 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 output port (410) and a second valve (420) configured to control blocking and unblocking of the pure-water pipeline (40). The sewage discharge pipeline (50) has a first end communicated with the sewage discharge port (150) and a second end communicated with an outside.

Abstract: A water purification system (100) is provided and includes: a composite filter cartridge assembly (1), a booster pump (4) and a waste-water solenoid valve (7). The composite filter cartridge assembly (1) includes a filter casing (11) and a composite filter cartridge (12). The filter casing (11) has a raw-water inlet (111), a pretreated-water outlet (114), a pretreated-water inlet (115), a purified-water outlet (112) and a concentrated-water outlet (113). The composite filter cartridge (12) includes a filtering part and a mouthfeel-improving filter cartridge (123) which are arranged along an up-and-down direction. The pretreated-water outlet (114) is communicated with a water-output end of a pretreating filter cartridge (121) of the filtering part and with the booster pump (4). The pretreated-water inlet (115) is communicated with a water-input end of a fine filter cartridge (122) of the filtering part and with the booster pump (4).

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.

Abstract: A water filtration system (100) includes a filter cartridge assembly (10), a water-inlet conduit (20), a purified-water conduit (30), a pure-water conduit (40), a waste-discharge conduit (50) and a circulation conduit (70). The waste-discharge conduit (50) is in communication with the purified-water conduit (30) and has an end located between a first valve body (320) and a purified-water outlet (120), and the circulation conduit (70) has a first end in communication with the water-inlet conduit (20) and a second end in communication with the waste-discharge conduit (50).

Abstract: Disclosed are an integrated composite filter cartridge (200) and a water purifying system (300) having same. The integrated composite filter cartridge (200) comprises: an outer shell (20), wherein a chamber (21) is defined in the outer shell (20), and the outer shell (20) is provided with a raw water inlet (22), a pre-treated water outlet (23), a pre-treated water inlet (24), a purified water outlet (25) and a waste water outlet (26) which are in communication with the chamber (21); a pre-treatment filter cartridge (100); a central pipe (30); a filter membrane (40); and a control member, which is connected to the pre-treated water outlet (23) and the pre-treated water inlet (24). When the integrated composite filter cartridge (200) is used for the first time, the control member switches on the raw water inlet (22) and the pre-treated water outlet (23) and switches off the pre-treated water inlet (24).

Abstract: A water filtration system includes a raw water inlet; a pure water outlet; a purified water outlet; a waste water outlet; an integrated filter cartridge having first through sixth ports, of which the third port is connected to a first end of a communication flow path, and a second end of the communication flow path is connected to the second port and the purified water outlet, a water storage device is disposed to at least one of a flow path connected to the pure water outlet and the sixth port; and a return flow path having a first end connected to the purified water outlet and the second port and a second end connected to the waste water outlet and the fifth port.

Abstract: A method for controlling a refrigerating device of a water dispenser. The method includes: S1, controlling a refrigerating module to cool water in a cold water tank; S2, when the temperature of the water in the cold water tank is reduced to a first preset temperature, stopping the refrigerating module at the first preset time; S3, controlling the refrigerating module to work again to continue cooling the water in the cold water tank; S4, when the temperature of the water in the cold water tank is reduced to an nth preset temperature, stopping the refrigerating module at the nth preset time; and S5, determining whether the temperature of the water in the cold water tank reaches a target temperature, and if not, repeating steps S3 and S4 after reaching a predefined number. Through multi-stage refrigeration, an ultra-low temperature refrigeration is achieved.

Abstract: A water purification system includes: a composite filter cartridge including a pretreatment filter cartridge and a filter membrane assembly; a raw water inlet pipe; a pure water outlet pipe; a pretreated water pipe; a booster pump; a water quality detecting device disposed to the raw water inlet pipe and/or the pure water outlet pipe and configured to detect water quality in the raw water inlet pipe and the pure water outlet pipe; and a control device connected to the water quality detecting device and configured to determine service life of the composite filter cartridge and/or judge whether the composite filter cartridge has lost efficacy according to information detected by the water quality detecting device.

Abstract: A water purification system includes: a composite filter-cartridge assembly, a booster pump, a waste water solenoid valve and a water storage device. The composite filter-cartridge assembly includes a filtering housing and a composite filter-cartridge. The filtering housing has a raw water inlet, a pure water opening, a pure water outlet and a concentrated water outlet. The composite filter-cartridge includes a filtering assembly and a taste improvement filter-cartridge disposed downstream from the filtering assembly. The pure water opening is coupled to a water outlet end of the filtering assembly and a water inlet end of the taste improvement filter-cartridge. The booster pump is connected to the raw water inlet, the waste water solenoid valve is connected to the concentrated water outlet, and the water storage device is connected to the pure water opening.

Abstract: A water filtration system (100) includes: a raw water inlet (100a); a pure water outlet (100b); a purified water outlet (100c); a waste water outlet (100d); and an integrated filter cartridge (1) having first (10a) through fourth ports (10d), in which the first port (10a) is connected to the raw water inlet (100a), the second port (10b) is connected to the pure water outlet (100b), the purified water outlet (100c) and the waste water outlet (100d) are both connected to the third port (10c), and a water storage device (2) is disposed to at least one of a flow path connected to the pure water outlet (100b) and the fourth port (10d).

Abstract: Disclosed are an integrated composite filter cartridge (200) and a water purifying system (300) having same. The integrated composite filter cartridge (200) comprises: an outer shell (20), wherein a chamber (21) is defined in the outer shell (20), and the outer shell (20) is provided with a raw water inlet (22), a pre-treated water outlet (23), a pre-treated water inlet (24), a purified water outlet (25) and a waste water outlet (26) which are in communication with the chamber (21); a pre-treatment filter cartridge (100); a central pipe (30); a filter membrane (40); and a control member, which is connected to the pre-treated water outlet (23) and the pre-treated water inlet (24). When the integrated composite filter cartridge (200) is used for the first time, the control member switches on the raw water inlet (22) and the pre-treated water outlet (23) and switches off the pre-treated water inlet (24).