Semi-coke drying system

The invention relates to a semi-coke drying system which comprises a plurality of sets of semi-coke drying devices arranged side by side. A feeding conveyor for conveying semi-coke is arranged above all the semi-coke drying devices, the feeding conveyor is provided with feeding devices connected with the semi-coke drying devices, two discharging conveyors are arranged below all the semi-coke drying devices, each semi-coke drying device is provided with an outer shell, the top of each outer shell is provided with a feeding opening, and the interior of each outer shell is provided with a plurality of independent drying chambers; a discharging control device is installed at the bottom of each drying chamber, a discharge hopper is installed at the position, located below the corresponding discharging control device, of the bottom of each outer shell, and the bottom of each discharge hopper is provided with a production discharge pipe and a fault discharge pipe; the system also includes anexhaust fan A connected t