FDHK-3-600/2100/950-S Electrically heated rotary retort furnace / rotary tube furnace for heat treatment (activation) of granulated polymeric resin in constant high quality under nitrogen atmosphere as pulse-batch operation (app. 50 kg). Continuously useable trough rotary turnaround. Heated length 2,1 m, 3-zone control, max. temperature 1000 °C, heating power 52 kW, inner diameter of insert tube 500 mm, rpm control, lifting device 0-10°. Protective gas flushed, heated storage vessel (120 l, 400 °C) with shut-off flap. Protective gas flushed, water-cooled collecting vessel (120 l) with shut-off flaps.