The utility model relates to a hot air drying equipment, including control system, the heating pipe, circulating fan, the charging tray, dehumidification system and frame, the air duct installation board becomes heating cycle room and drying chamber two parts with hot air drying equipment internal partitioning, the heating pipe is installed respectively at the top of heating cycle room, dehumidification system and circulating fan, the air intake be located the heating cycle room the bottom and with the circulating fan homonymy, the deep bead is installed on the air intake corresponds the frame of face, the both sides at the drying chamber are fixed to air duct installation board symmetry, the equipartition has the same with the charging tray number of piles wind channel mouth that is the bar on the air duct installation board, the central point that temperature and humidity sensor installed at the drying chamber puts, the steerable air intake of electric cabinet, dehumidification system, opening of circulating fan and heating pipe, close, and drying time, the utility model discloses a hot air drying equipment has characteristics such as simple structure, the operating cost is low, the energy consumption is low, the drying is even, the suitability is strong, is suitable for large -scale popularization and application.