... , installation and commissioning. 1.2MTPA PELLETIZATION PLANTWith Hematite Iron OreGENERAL:1.2MTPA pellet plant adopts grating-kiln-cooler ... technology, The main technology equipment have dryer,high-pressure roller mill,mixing machine,disc pelletizer,travelling grate ... preparation system,3.Concentrate storage,4.Drying chamber,5.High-pressure roller mill system(obligate),6.Proportioning chamber, ...