Automatic adjusting blue-green algae impounding device

The utility model provides an automatic adjustment cyanobacteria retaining device, which relates to the technical field of cyanobacteria retaining filtration and comprises a connecting plate, a vertical plate is fixed in the middle of the bottom of the connecting plate, a sliding groove is formed in the front side of the vertical plate, and limiting grooves are formed in the inner walls of the two sides of the sliding groove. A sliding groove is formed in the middle of the vertical plate, a plurality of sliding blocks are connected into the sliding groove in a sliding mode, the front sides of the sliding blocks extend to the front side of the vertical plate, storage frames are fixed to the front sides of the sliding blocks, and filter plates are fixed to the positions, close to the bottom edge, between the inner walls of the storage frames. The multiple storage frames are correspondingly arranged on the front sides of the sliding blocks, the filter plates are fixed to the bottom faces of the interiors of the