Spray granulation device in vitamin D3 microcapsule powder production

The invention relates to the technical field of spray granulation, and discloses a spray granulation device in vitamin D3 microcapsule powder production, the spray granulation device comprises a drying tank body, the drying tank body comprises a hot drying assembly and a transmission structure; the conveying structure comprises a heating tank, an output heat pipe, a thin collecting pipe, a separation end, a material conveying pipe, a material collecting barrel, an exhaust pipe and an exhaust pipe, the heating tank is fixedly connected to the side face of the drying tank body, the output heat pipe is fixedly connected to the top end of the heating tank, and the thin collecting pipe is fixedly connected to the bottom end of the drying tank body; the separating end is fixedly connected to the tail end of the collecting thin pipe, the material conveying pipe is fixedly connected to the side face of the separating end, the material collecting barrel is fixedly connected to the tail end of the material conveying pi