Double membrane mutual flushing type double water outlet reverse osmosis water purifier

The present invention is a double-membrane interaction rinse water double reverse osmosis water purification unit, comprising a reverse osmosis water treatment system, the reverse osmosis water treatment system includes a water inlet sequentially, pre-processing means, the reverse osmosis membrane, pure water and ultrafiltration concentrated water outlet and a water outlet, the concentrated water outlet end of the valve is provided with a combination of waste water, characterized in that the rear end of the reverse osmosis membrane into a first and second conduits, said first conduit connected to the purified water outlet, a second conduit connected to a membrane, the membrane over the rear end of the third conduit and the fourth conduit into the third conduit connected to the water outlet of the ultrafiltration, the four outlet pipe connected to the water and concentrated. When the present invention are water and purified water using ultrafiltration, reverse osmosis membranes and ultrafiltration membranes may be flush with each other in turn, significantly extend the life of two films, high cost, significantly reduces the use of reverse osmosis water purification unit of the water-bis cost.