▎ 摘　　要

NOVELTY - The utility model claims a dispersion mixing device for producing lubricating oil, comprising a shell, a control system and several conveying pipes, the conveying pipe is located in the shell, one end of the conveying pipe is connected with an oil supply mechanism, the other end is connected with an oil outlet pipe, between two ends of the conveying pipe is further connected with a circulating pipe, the conveying pipe end is provided with a heating mechanism for lifting the oil temperature, the shell is further provided with multiple microwave mechanisms capable of emitting microwave, the microwave mechanism respectively located at the front and back sides of the conveying pipe, the microwave mechanism is electrically connected with the control system. The solution by microwave mechanism for vibrating and dispersing the graphene, improving the mixing uniformity of the graphene and lubricating oil, so as to improve the fusion degree of the composite additive and the base oil. The technical device has obvious advantages, fast blending speed, low energy consumption, good blending quality, low manpower cost, and more environment-friendly.