Black 440V Automatic 1000-2000kg Fish Feed Making Machine

Fish food is made by extruding the mixed material through the holes on a metal mould. Basically, there are two type of machines for fish food production: Ring die pellet mill and twin screw extruder:

Twin screw extruder makes floating fish feed, it deliver the mixed fish food powder smoothly by double screw inside, during this process, the fish food can reach more than 100 °C in the screw. When the fish food is extruded through the metal mould, fish feed is suddenly cooled down by meeting the room temperature, the shape will be expanded than original. The expanded fish food has a light weight, the pellet can float on the water.