TWO-PHASE FLOWS MIXING DEVICE Russian patent published in 1994 - IPC

FIELD: chemical industry. SUBSTANCE: mixing device has circulation contour with up and down flow circulation tubes interconnected in their upper and lower parts through overflow branch pipes, gas supply branch pipe, narrowing portion and transfer unit disposed in lower part of up flow circulation tube above outlet end of overflow branch pipe, where gas supply branch pipe and narrowing portion are positioned in succession. Narrowing portion may be made as a set separate narrowing members forming grid. EFFECT: increased efficiency and simplified construction. 2 cl, 1 dwg