Automatic feeding device and method for activated carbon activation furnace

The invention provides an automatic feeding device and method for an activated carbon activation furnace. The automatic feeding device is arranged at the top of a furnace body water seal cover and comprises a feeding bin, gate valves, discharging pipes, a windproof pipe, the water seal cover, a connecting rod frame, a rotating shaft, an actuator and a PLC; the furnace body water seal cover is provided with a discharging opening and a pressure relief opening, and the pressure relief opening is provided with a pressure relief cover; the gate valve is arranged at the bottom outlet of the feeding bin; there are two discharging pipes, the feeding ports are formed in tthe bottom outlets of the gate valves, and the discharging outlets correspond to the discharging ports respectively. There are two windproof pipes which are fixed to the discharging ports of the two discharging pipes in a swinging mode correspondingly and used for being communicated with the discharging ports or staggered with the discharging ports. T