Sweet potato roots can be processed into dehydrated forms such as dried chips and flour for storage and uses in food preparations. Sweet potato drying usually performed traditionally with the use of sun, which is a time consuming method (about 56 hours) and produces an inferior quality product with high health risk due to high contamination. The most employed way to reduce the drying time and obtain good quality product is the use of mechanical dryers, and it also lowers the product mass and volume which improves...
Generally, the automatic production line for producing dried apple chips is set in food factory, and that includes washing, peeling, coring, slicing, drying, expanding and packing. The apples are washed in the washing tunnel at the first, and go on next step where the clean apples are peeled and cored by apple peeling and coring machine, then fished apples are sliced and ready to dry by drying machine. We will introduce two effective drying equipment which are used widely in food factory as following: hot air...