MIX APPARATUS INCLUDING DRAFT TUBE

摘要

PURPOSE: A mixing device equipped with draft tube is provided to control heat inside the reactor and increase the operability and the productivity according to the concentration increase of the ethylene. CONSTITUTION: The mixing device equipped with draft tube includes: a draft tube; an impeller; and a rotary shaft. The draft tube(31) is located in the center of the mixer leaving regular interval with the outer wall of the mixer. The inner impeller is located in the inner side of the draft tube. The rotary shaft rotates each draft tube and inside impeller. The inside impeller(33) is form of the pitch screw and pitched blade. The outer impeller(35) is the screw or the helical form.