Refrigerant storage tank convenient to clean

The refrigerant storage tank convenient to clean comprises a tank body, a blow-off pipe opening is formed in the bottom of the tank body, a detachable strip-shaped scraping piece is arranged in the tank body, the strip-shaped scraping piece is attached to the inner wall face of the tank body, a plurality of nozzle heads are evenly distributed on the two side faces of the strip-shaped scraping piece, and the nozzle heads are arranged on the two side faces of the strip-shaped scraping piece. A flow channel is formed in the strip-shaped scraping piece and communicated with the nozzle head, and a cleaning assembly which drives the strip-shaped scraping piece to rotate along the central axis of the tank body through an external water source and sprays water from the nozzle head is arranged on the inner wall of the blow-off pipe opening. According to the cleaning device, refrigerant substances on the inner wall face of the tank body can be effectively cleaned, the cleaning efficiency is improved, and water is saved