Blender is set by the production mix measurement after the sequence input aggregates, asphalt mixing powder and discharge device. Stirrer structure for the twin-shaft type, two mixing shafts with a pair of meshing of gears to force synchronization with the same, equal to the speed, spin to the contrary. Shaft equipped with multiple arms, arm-side with bolted wear blades. Mixing asphalt mixture discharge from the discharge at the bottom of the door.