▎ 摘　　要

NOVELTY - The utility model belongs to the technical field of biological carbon preparation, especially a graphene modified biological carbon material preparation device for repairing soil, comprising a device main body; the outer wall of the device main body is fixedly installed with a heating pad; the left and right two sides respectively the device main body upper end fixedly installed with a first motor and a second motor; the output end respectively the first motor and the second motor is provided with a first rotating shaft and a second rotating shaft; the left and right sides of the first rotating shaft are fixedly connected with with a plurality of uniformly distributed first stirring frame; the left and right sides of the second rotating shaft are fixedly connected with with a plurality of uniformly distributed second stirring frame; a plurality of first stirring frames and a plurality of second stirring frames are alternately distributed; the lower end of the device main body is connected with a discharging hopper; starting the first motor and the second motor in the heating process, so as to drive the first rotating shaft and the second rotating shaft to rotate; at the same time, a plurality of first stirring frame and the second stirring frame for cross stirring the material, so as to make the material uniformly heating and drying, avoiding material particle adhesion.