▎ 摘　　要

NOVELTY - The utility model claims a MBBR graphene device, comprising a machine body, the back side of the machine body is fixedly installed with a second motor, the output shaft of the second motor is fixedly installed with a screw rod, the outer screw thread of the screw rod is connected with a connecting plate, the bottom of the connecting plate is fixedly installed with a sliding plate, the back side of the machine body is fixedly installed with a sliding groove, the sliding plate is inserted in the sliding groove and connected with the sliding groove, the bottom of the connecting plate is fixedly installed with a connecting rod, the connecting rod is inserted in the machine body, one end of the connecting rod and located in the machine body is fixedly installed with a mounting plate, the bottom of the mounting plate is fixedly mounted with a first motor; The utility model drives the screw rod to rotate by the second motor so as to drive the connecting plate to move; the connecting plate drives the first motor and the stirring assembly to move up and down through the connecting rod, so as to achieve the more uniform stirring effect.