20191231 ensp 0183 enspBrief In Lignite Dryer The firststage drying zone removes most of the water at a high temperature of 400 176C in a highhumidity state ensuring that the chemical composition of the lignite does not change and is not easy to burn the secondary drying zone has a room temperature of 300 176 C and the water removal by mediumtemperature strong wind to ensure that lignite is not coked the