Gas dissolving device capable of combining pipe flow and vortex

The invention discloses a gas dissolving device, and in particular relates to a gas dissolving device capable of combining pipe flow and vortex. The gas dissolving device capable of combining pipe flow and vortex is long in water flow path, small in air bubbles, large in gas solubility, high in gas dissolving efficiency, simple in structure and easy in equipment maintenance; and the gas dissolving device comprises a pipe flow gas dissolving tank and a vortex gas dissolving tank, wherein the pipe flow gas dissolving tank comprises a barrel, an inner ring sintering metal micropore pipe, an outer ring sintering metal micropore pipe, a spiral guide plate, an upper press plate, a lower support plate, a pipe flow tank air inlet pipe, a pipe flow tank water inlet pipe and a pipe flow tank water outlet pipe; and the vortex gas dissolving tank comprises a combined barrel, a top cover, an umbrella-shaped guide plate, a vortex tank water inlet pipe, a vortex tank water outlet pipe and a vortex tank air inlet pipe.