... for drying and sterilizing powder ,granular, sheet-like or gel-like food ,and additive, flavoring, medicine, raw material ... kernel, groundnut kernels, chestnut and so on; and for puffing of leisure food ,pachyrhizus chips, potato chips, dried ... and desulfurating and deoxidizing the metallurgical chemical products; and for drying printing and dyeing products, ceramics, glass, chemical fiber, cotton ...