Building mortar recycling system

The utility model discloses a building mortar recycling system, relates to the technical field of building mortar recycling, and solves the problem that the mechanical property and durability of recycled concrete prepared from recycled aggregate produced by crushing building wastes are not better than those of common concrete at present. The building mortar recycling device comprises a base, the upper end face of the base is fixedly connected with a treatment box, a crushing mechanism is arranged in the treatment box, and the crushing mechanism is arranged on the upper end face of the base. Three grinding pipelines are arranged on the lower end face of the treatment box in a penetrating mode, and grinding mechanisms are arranged in the three grinding pipelines. The mortar waste crushing and grinding device is reasonable in structural design, and can crush and grind mortar waste to enable the mortar waste to reach the recycling standard; and blocky solids and powdery solids can be effectively screened, and fol