... backwashing machine is made up of Feeder (option), Rolling mills, Sinks. Drying rooms and output frame. ... the wool bulb, access to roller and rolling mill at the exit.2.Rolling millParts: frame, rollers, roller guide, ... , roller guide, heater and so on.Element: Rolling mill roll out the wool tops into the sink ... the wool tops delivered to the next roller mill. The pump make the liquid rapidly penetration ...