... dryer is a jet stream belt dryer type hot air up and down at the same time playing ... gas, etc.. DWF jet stream belt dryer is mainly used for fiberboard, gypsum board, carton board, pulp film ... or several of the dewetting system conveyor through hot air from the top down or from the next ... a common continuous drying equipment, and can be widely used in the chemical, food, pharmaceutical, building materials, ...