Roasting kiln with cooling function

The invention discloses a roasting kiln with a cooling function. The roasting kiln comprises a rotary kiln, wherein a feeding end is arranged at one end of the rotary kiln; a discharging end is arranged at the other end of the rotary kiln; a high-temperature flue gas inlet is formed in the discharging end; a flue gas outlet is formed in the feeding end; a cooling section is arranged at the rear end, positioned at the high-temperature flue gas inlet, of the discharging end; a cooling mechanism is arranged at the cooling section and comprises a plurality of cooling pipes arranged along the radial direction; the inner ends of all the cooling pipes are connected to a central air outlet pipe; the outer end of the central air outlet pipe is connected with an exhaust fan; materials are cooled by exchanging heat with the cooling pipes when reaching the cooling section; a discharging opening is formed below the rear end of the cooling section. According to the roasting kiln disclosed by the invention, indirect high-te