Multi-medium cyclic adsorption filtering device

The utility model provides a multi-medium cyclic adsorption filtering device, which relates to the technical field of sewage filtration and adsorption, and comprises a shell structure, the main body of the shell structure is a hollow cylindrical tank body, the rear side of the tank body is fixedly connected with a connecting frame, the top of the tank body is provided with a top cover, the rear side of the top cover is fixedly connected with a movable arc block, and the movable arc block is fixedly connected with the connecting frame. Meanwhile, the movable arc block is installed in the connecting frame, the connecting shaft penetrates through the movable arc block and the connecting frame to connect the tank body with the top cover, meanwhile, the top cover is movably installed on the outer side of the connecting shaft through the movable arc block, clamping grooves are formed in the four edges of the inner wall of the tank body correspondingly, and a penetrating type water inlet is formed in the circle cent