Combined gas-liquid separation device

The utility model discloses a combined type gas-liquid separation device, and belongs to the technical field of multiphase flow two-phase separation, energy conservation and resistance reduction. The lower end of the tangential separator column section is connected with the upper end of the tangential separator conical section; a tangential separation inlet and a separator air inlet are formed in the tangential direction of the side wall of the tangential separator column section, a through hole is formed in the top of the tangential separator column section, and an exhaust pipe penetrates through the through hole and extends into the tangential separator column section; the bottom of the conical section of the tangential separator is connected with a liquid discharge pipe; the rotational flow center body is arranged in the inlet pipe, and the inlet pipe is connected with the tangential separation inlet; a plurality of rotational flow blades are arranged on the surface of the rotational flow center body, a ro