The back of the workshop (KH type) is equipped with heating pipe, and then the rear end is equipped with airblower and exhaust hole，The temperature controller controls the temperature level and constant.Whenworking, it is heated by the heating pipe and circulates through the blower to ensure the temperature is even.The four corners and half arc design in the workroom is convenient for cleaning, the distance between theupper and lower clapboard is adjustable, and the builit-in temperature sensing probe, Insulation materials arefilled between the working room and the shell.The inner liner is made of galvanized steel plate and mirrorstainless steel plate. The shell is made of steel plate，and the surface of the box body is sprayed withelectrostatic powder, Silica gel seal and toughened glass are used in the clamping edge of the box door. Thedigital intelligent temperature control instrument (with timing function, the longest time is 999 minutes) is usedfor drying materials with less water content. it is suitable for drying， heating， heat preservation and hightemperature sterilization of small doses of Chinese medicinal materials, Chinese herbal pieces, powder, waterpills,honey pills，concentrated pills，granules，tablets，powders，packaging bottles,glassware，sanitaryproducts, medical products, etc. in pharmaceutical, food, medical and other industries.