Device for purify water

The utility model discloses a device for purify water, including two circular support chassis and a plurality of fixed strips that concatenate red coccus carrier, the head and the tail of fixed strip respectively with two circular support chassis fixed connection, arrange on the said circular support frame that a plurality of root cuts apart the strip, make this circular support chassis be divided into a plurality of squares, be used for planting aquatic plant in the square, the distribution have cut apart the strip circular support chassis on still be fixed with cursory. The utility model provides a device for purify water full play microorganism and the prosthetic advantage separately of plant, structure microflora are the little bioremediation system of composite plant -of core (part under water) and supplementary plant repair system (surface of water part), utilize the spatial structure of water at full capacity, realize purifying the high-efficient of eutrophic water.