... , long service life, which have been widely used of the drying industry. 3.the sphere of applicationFirst, from the material form ... , wine tank, starch residue, soybean residue, such as drying.Third, from the drum-type dryer of the bodies, it can be divided ... , composite structures and other froms of heating.Fourth, from drum-type drying temperature, it is between 60°C and 600°C, in ...