... 4/36 wool top backwashing machine is made up of Feeder (option), Rolling mills, Sinks. Drying ... roomParts: delivery band device, drums, drying room, fan, heat-exchanger, delivery roller device, gear motor, ... own exhaust system and temperature control system. A fan and a heat-exchanger make up a hot ... circulate system. Gear motor and strong blowing of the fan make hot air throng wool tops rapidly and ...