Large-particle-size coal gangue classification recycling treatment device for tailing treatment

The utility model discloses a large-particle-size coal gangue classification recycling treatment device for tailing treatment, which comprises a shell and a gravity concentrator for screening and classifying materials, at least three groups of crushing components are arranged in an inner cavity of the shell from top to bottom, each group of crushing components consists of two groups of crushing rollers which are symmetrically arranged and are driven by a power motor, the sizes of crushing gaps between the two groups of crushing rollers at the same height are different, and the crushing gaps are sequentially reduced from top to bottom; and two groups of guide inclined plates are arranged below each group of crushing components in pairs. According to the large-particle-size coal gangue classification recycling treatment device for tailing treatment, the device is provided with not less than three sets of crushing assemblies, large-particle-size coal gangue can be crushed for multiple times, the working efficien