The material is dry room in the stem of the closeness, clipping a set of the set outside to make Thermal energy through a dry room in the material, pass the fixed shaft at the same time up of or so to constantly inside out material of the rake teeth, make the material surface and the humidity of the inner parts gasify, again from the steam that the high vacuum takes out the dry room of, attain the dry equipments of material. Scope of application: Be applicable to strach the form extensively, the cream form, a form, the powder form and the fiber form material , for dry and essential equipments of professions, such as chemical engineering, cellulose, food, medicine and dyestuff etc..