Granulating and drying all-in-one machine for producing mixed fertilizer

The utility model discloses a granulation drying all-in-one machine for mixed fertilizer production, which comprises an extrusion cylinder, a protective plate is fixedly mounted on one side of the extrusion cylinder, a funnel is fixedly mounted and communicated with the bottom surface of the protective plate, a first material guide pipe is fixedly mounted at the bottom end of the funnel, and second material guide pipes are fixedly mounted on two sides of one end of the first material guide pipe. A first electromagnetic valve is arranged on one side of the second material guide pipe, one end of the second material guide pipe is fixedly connected with a drying box, and heating plates are arranged on the two sides of the inner wall of the drying box. By arranging a funnel, a first material guide pipe, a second material guide pipe, a drying box, a third material guide pipe, a fourth material guide pipe, a first electromagnetic valve, a second electromagnetic valve, a heating plate, a motor, a rotating rod and a s