Reverse osmosis multistage exchanges water saving system against current



The utility model discloses a reverse osmosis multistage exchanges water saving system against current realizes intaking and the positive reversed flow's of dense water pipe way rivers adjustment to first membrane group, secondary membrane group and tertiary membrane group through changing opening of in pipeline valve with closed. Wash the salt crust attached to epimembranal face through positive reverse flow to the effect of membrane is washed in the realization, and then can improve the life of membrane, with performance reverse osmosis membrane's maximum potential itself, makes the water rate of producing bring up to 85% by 75%, and then reaches the purpose that the multistage exchanged water conservation against the current.




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