... 1.Bentonite storage,2.Coal storage,3.Pulverized coal preparation system,3.Concentrate storage,4.Drying chamber,5.High-pressure roller ... mill system(obligate),6.Proportioning chamber,7.Mixing chamber,8.Pelletizing ... 9.Screening and distribution system,10.Traveling grate-rotary kiln-Annular Cooler system,11.Main induced air system,12.Finished product ...