Fecha de publicación: 30/03/2021 Fuente: WIPO "circular economy" The utility model relates to the technical field of metallurgy, in particular to a scrap steel raw material treatment device which is easy to operate and capable of smashing scrap steel raw materialsfor multiple times, improving the smashing effect, improving the working efficiency, saving the production cost and improving the practicability. The crushing device comprises a box body, a first crushing wheel, a second crushing wheel, a first motor, a speed reducer, a guide plate, a partition plate and an access door, an inner cavity is formed in the middle of the box body, and the first crushing wheel and the second crushing wheel are both located at the top of the inner cavity and rotatably connected with the inner cavity and connected through a transmission device; the first motor and thespeed reducer are both installed at the rear end of the box body, the output end of the first motor is connected with the input end of the speed reducer, the output end of the speed reducer penetrates through the box body to be connected with the rear end of the first smashing wheel, and the left end of the box body is provided with a feeding port, a guide plate and a discharging port. The accessdoor covers the access hole, and a handle is arranged at the left end of the access door.