... technology, The main technology equipment have dryer,high-pressure roller mill,mixing machine,disc pelletizer,travelling grate,rotary kiln, ... cooler,dust extractor and fansPlant Systems:The main production system of new-build pellet production line include: 1.Bentonite ... .Concentrate storage,4.Drying chamber,5.High-pressure roller mill system(obligate),6.Proportioning chamber,7.Mixing chamber,8. ...