LIQUID CLEANING SYSTEM Russian patent published in 2020 - IPC C02F1/44 B01D61/12 B01D61/10 B01D61/22 

FIELD: fluid cleaning system.

SUBSTANCE: invention relates to liquid purification and / or desalination systems. Fluid cleaning system consisting of initial liquid line with inlet valve installed on it, reverse-osmosis membrane, with a drain liquid line and a cleaned liquid line connected to it, a purified liquid supply line to a consumer and a purified liquid container, a secondary cleaned liquid line connected to the purified liquid container and to the initial liquid line, and a control unit, the system comprising a recirculation line provided with a valve connected to the source liquid line upstream of the circulating pump mounted on the source liquid line before the reverse osmosis membrane, and is configured to virtually completely dissolve the contaminant layer on the reverse osmosis membrane by intense multiple washing of the reverse-osmosis membrane with the purified liquid, where the number of washes of the reverse-osmosis membrane within one cycle of washing the system is at least two, but not more than six, preferably four times.

EFFECT: reduced consumption of liquid used during flushing with simultaneous increase of flushing efficiency.

1 cl, 1 dwg