Mechanical mixing and grinding system for production of oil extraction agent and use method of mechanical mixing and grinding system

The invention discloses a mechanical mixing and grinding system for oil extraction agent production and a using method thereof.The mechanical mixing and grinding system comprises an extrusion mechanism, a cooling mechanism, a pelletizing mechanism and a grinding mechanism, the extrusion mechanism comprises a feeding module, a conveying and extruding module and a heating module, and the feeding module is arranged above the conveying and extruding module; the feeding module is used for feeding materials to the conveying and extruding module, the conveying and extruding module is used for mixing and outputting mixed materials, the heating module is used for heating the mixed materials in the conveying and extruding module, the cooling mechanism is arranged on the downstream portion of the conveying and extruding module and used for cooling the mixed materials, and the pelletizing mechanism is arranged on the downstream portion of the cooling mechanism. The pelletizing mechanism is used for pelletizing the mixed