Composite method molten iron desulphurization stirring head with blade cooling function

The invention relates to a composite method molten iron desulphurization stirring head with a blade cooling function. The stirring head comprises tubular stand columns (6) and stirring blade core plates (10), the stirring blade core plates (10) are hollow and diversion holes (18) are formed at the upper ends of the stirring blade core plates, a blowing pipe (7) and a cooling pipe (8) penetrate through the corresponding stand column (6), a supporting block (17) is arranged at upper ports of the cooling pipes (8), a desulfurizing agent distribution block (11) is arranged at a lower port of the corresponding stand column (6), through holes (13) are formed in the lower side wall of the corresponding cooling pipe (8), and a baffle plate (15) is arranged on the lower inner wall of the corresponding stand column (6) and an exhaust hole (16) is formed in the lower inner wall of the corresponding stand column (6); and refractory materials (9) are arranged on the outer walls of the stand columns(6) and the stirring bla