Rainwater recovery device

The utility model relates to the technical field of building energy conservation, in particular to a rainwater recycling device. Comprising a cylinder body, a rotating shaft, a sludge scraping plate and a sludge conveying piece, a sludge discharge port is formed in the bottom of the barrel; the sludge conveying part comprises a cover plate, a connecting column and a bottom plate, the cover plate is located in the cylinder and is suitable for closing the sludge discharge port, and the bottom plate is located outside the cylinder; the rotary shaft is installed at the bottom of the barrel in a penetrating mode, the sludge scraping plate is installed on the side, located in the barrel, of the rotary shaft, the bottom of the sludge scraping plate abuts against the bottom face of the inner side of the barrel, and the sludge scraping plate rotates with the rotary shaft as the axis to scrape sludge in the barrel. Through cooperative arrangement of the sludge conveying part, the sludge scraping plate, the rotating sha