Pretreatment device for secret-related solid wastes

The utility model relates to a pretreatment device for secret-related solid wastes, in particular to a device of convenient operation and simple structure for pretreatment of secret-related solid wastes, comprising a primary solid waste treatment silo, a secondary solid waste treatment silo, a mixed treatment silo, a main motor and an auxiliary motor, wherein the primary solid waste treatment silo, the secondary solid waste treatment silo and the mixed treatment silo are communicated with each other; the main motor drives the crushing devices in the primary solid waste treatment silo and the secondary solid waste treatment silo; the auxiliary motor drives the mixing device in the mixed treatment silo; both the primary solid waste treatment silo and the secondary solid waste treatment silo are externally connected with a waste inlet; and the mixed treatment silo is externally connected with a waste outlet. The utility model has the advantages that the secret-related solid wastes generated during banknote print