Our company can provide lignite upgrading and drying equipment ((steam rotary dryer or internally heated fluidized bed dryer). The use of indirect-drying steam and closed operation of the system can effectively control low oxygen levels and ensure system safety. The system can adapt to the fluctuation of lignite processing capacity, particle size and moisture, and has strong adjustability. The process is simple, the equipment is mature and reliable, and the system control and adjustment measures are perfect. The system has high dust removal efficiency, can meet the standard emission, and is environmentally friendly.