ROLL EXTRUDER FOR PELLETISING POLYDISPERSE LOOSE MATERIALS Russian patent published in 2012 - IPC B30B11/18 B30B15/30 

FIELD: process engineering.

SUBSTANCE: invention relates to machine building and may be used for pelletising carbon-containing and other polydisperse loose materials to be used in metallurgy, etc. Extruder comprises loading bin and rive rolls arranged in opposed pairs. Said rolls have shaping cells made up of symmetric half-dies for would-be pellets. Distributing bin is provided with screw feeder. Said screw is arranged at bin bottom, sideways and inclined nearby said rolls. Screw axis is directed toward roll pellet mix grip zone. Aforesaid bin allows feeding pellet mix therein vertically. Bin outlet is located above rolls to allow vertical feed of pellet mix into said roll pellet mix grip zone.

EFFECT: higher efficiency and quality.

2 cl, 1 dwg, 1 ex