Microorganism and plant symbiotic purification device for treating black and odorous water

The utility model discloses a microorganism and plant symbiotic purification device for treating black and odorous water. Floating box, the buoyancy tank is of a frame structure. The interior of the buoyancy tank is divided into a plurality of mutually independent accommodating spaces; a bearing container is arranged in each accommodating space; a plurality of holes are formed in the side wall ofthe bearing container; wherein a carrier packing layer is arranged in the bearing container, a plant layer with symbiotic arbuscular mycorrhizal fungi and aquatic plants is arranged on the carrier packing layer, the carrier packing layer comprises a first microorganism layer attached with anaerobic microorganisms and a second microorganism layer attached with aerobic and facultative microorganisms, and the second microorganism layer is arranged above the first microorganism layer. According to the utility model, the remediation effect of microorganisms can be enhanced, the environmental remediation capability is enhan