Integrated crushing system for backfill soil

The utility model discloses an integrated crushing system for backfill soil, which comprises a crushing container, a processing support and a collecting lifting plate, the crushing container is mounted on the processing support, a sealed feeding structure, a crushing structure and a dust removal structure are mounted on the inner side of the crushing container, and the collecting lifting plate is mounted on the processing support. A drainage structure is installed on the machining support, the drainage structure is connected to the smashing container, and the collecting lifting plate is installed on the machining support through the drainage structure. The earth and stone machining device has the beneficial effects that earth and stone are fed in a sealed mode through the sealed feeding structure, the phenomenon of dust raising in the feeding process is avoided, and the machining efficiency is improved; soil and stones are smashed and ground through the smashing structure, meanwhile, dust generated by smashin