Stable drying device of ink printing machine

The utility model discloses a stable drying device of an ink printing machine, which comprises two opposite air inlet ducts and an air outlet duct arranged between the two opposite air inlet ducts, an axial flow fan and an electric heating element are arranged in the air outlet duct, and the air outlet duct is communicated with a drying section chamber of the ink printing machine; an air distribution plate is arranged at an outlet of the opposite air inlet duct, a plurality of air holes are formed in the air distribution plate, and cross-shaped spoilers are arranged in the air holes; a tail gas coil pipe is further arranged in the opposite air inlet duct, one end of the tail gas coil pipe is connected with a strip-shaped gas collecting port, the other end of the tail gas coil pipe is connected with an air inducing pipe, and the strip-shaped gas collecting port is located in a drying section cavity of the ink printing machine; efficient heat exchange between airflow and the electric heating element is achieved