... etc. Preheating feeder is installed at the top of extruder, which is to dry the wood powder firstly, ... The complete line is consisted of following parts: conical twin-screw extruder, vacuum calibration table, haul-off unit and stacker, ... wood plant fiber increasing rate is as high as 50%-70%. The line is of good adoptablity, which ... 55 110 75 132 Max capacity(kg/h) 50-60 80-100150-200 120 280 350 300 ...