Distributed air inlet stirring kettle for enhancing mass transfer

The utility model discloses a mass transfer enhanced distributed air inlet stirring kettle which comprises a stirring kettle body, and a stirring shaft is arranged in the stirring kettle body; an axial flow paddle is arranged on the stirring shaft; the air inlet assembly is mounted in the stirring kettle and is positioned on one side of the stirring shaft; the air inlet assembly comprises a porous medium and an air inlet formed in the porous medium; the air inlet is communicated with the porous medium; the air inlet penetrates through the side wall of the stirring kettle and is communicated with the outside; when the stirring kettle works, a gaseous material is introduced into the gas inlet, and the stirring shaft is rotated to drive the axial flow paddle, so that the liquid material in the stirring kettle axially and circularly flows, the gaseous material overflowing from the porous medium is circularly cut, and the gaseous material and the liquid material are in full contact; the stirring kettle can increas