... area is 300°C, removing the moisture by middle enduring air temperature to ensure the lignite no coking.The temperature of ... produced by the inducing air system .2. The Nanyang product of lignite dryer ,is also used for drying coal slurry, on the ... evaporate the moisture of lignite lower than 13%.3. Lignite drying machine applications :Slime, fly ash, sludge, lignite, desulfurization gypsum, sand, slag ...