WATER FILTRATION SYSTEM Russian patent published in 2018 - IPC C02F9/00 

FIELD: water treatment.

SUBSTANCE: invention relates to the field of water purification and in particular to a water filtration system. Water filtration system, comprising: an inlet for source water; release for clean water; outlet for purified water; outlet for sewage; and a combined filter cartridge comprising a prefilter cartridge, a fine filtration cartridge, and an additional filtration cartridge and having a first opening, a second orifice, a third opening, and a fourth opening, the first port being connected to the inlet for the source water, the second port being connected to the outlet for clean water, the outlet for the purified water and the outlet for the waste water are both connected to the third port, the feed water entering through the raw water inlet is designed to flow through the outlet for clean water after filtration by successively the prefilter cartridge, the fine filtration cartridge and the additional filtration cartridge, feed water entering through the feed water inlet is intended to flow through the outlet for purified water after filtration only by the prefilter cartridge, and the water storage device is disposed on at least one of the flow path connected to the outlet for clean water and the fourth hole.

EFFECT: ensuring the possibility of obtaining a large quantity of water of different quality.

10 cl, 1 dwg