... 3,5,7,9-layers dryers 2. for puffed snacks,modified starch,pet food, nutritional powder etc. ... The electric dryer is used for drying all ... of different layer,length or energy. parameters for five-layer oven:electric consumption:35.7kw/hheating ... ,7-layer electric,fuel/natural gas dryer for snacks,pet food etc.by chinese ealirest,leading ...