Tobacco leaf moisture regaining device in heatable brick bed

The utility model belongs to the technical field of tobacco leaf drying, and provides an in-kang tobacco leaf moisture regaining device which comprises a tobacco containing chamber, a tobacco containing door is arranged on one side of the tobacco containing chamber, and a heating chamber is arranged on the side, away from the tobacco containing door, in the tobacco containing chamber. The moisture regaining structure is located on the side, close to the tobacco loading door, in the tobacco loading chamber, the moisture regaining structure comprises a humidifier and a first vertical humidifying pipe fixedly connected with the humidifier, and a second vertical humidifying pipe is fixedly installed on the side, close to the first vertical humidifying pipe, of the top end of the humidifier; one end of the first vertical humidifying pipe and one end of the second vertical humidifying pipe are movably connected with adapters; the transverse humidifying pipes with the length similar to that of the tobacco hanging fr