Fecha de publicación: 11/05/2021 Fuente: WIPO "circular economy" The utility model relates to the technical field of PET (polyethylene terephthalate) bottle recovery devices, in particular to a PET bottle recovery crusher, which can crush PET bottles for multiple times, improve the crushing effect, move the device at will through trundles, improve the working efficiency and improve the practicability. Comprising a crushing box, a first crushing wheel, a second crushing wheel, a first motor, a speed reducer, an access door and hinges, an inner cavity is formed in the middle of the crushing box, a mashing device is arranged at the bottom of the inner cavity, and the first crushing wheel and the second crushing wheel are located at the top of the inner cavity and rotatably connected with the inner cavity and are in meshed connection; a transmission device is arranged at the front end of the crushing box, a supporting plate is arranged at the left end of the crushing box, the bottom end of a first motor is connected with the top end of the supporting plate, an access door is rotatably connected with the crushing box through a hinge to cover an access hole, a handle is arranged at the left end of the access door, and four sets of trundles are arranged at the bottom end of the crushing box.