【摘要】 实测发现水分在鲜姜干燥过程的前一年时间即脱出65%以上,用热风和微波干燥都有此规律。热风鼓风干燥箱的能耗高于微波干燥线1.6倍,且耗时为微波干线的28～30倍。单纯的微波干燥不易控制产品的干燥程度,在水分散失达65%～70%以后可使用40℃保温缓慢干燥。实际生产中电热干燥的成本都高于燃煤干燥。但是微波干燥的产品无硫、无菌,品质较高,销售价格也相应高,可以弥补因电费而造成的生产成本增高。更多还原

【Abstract】 Inthis paper,wefoundthatdehydration above65%waterof fresh ginger wa s always accomplishedduring the first half drying time in either hot air drying or microwave drying.Ho wever the energy -cost through the sirocco -blastingdryingtrunkwas1.6timest hatofthemicrowaveline,andthetim e -costwas28～30times thatofmicrow ave -line.Thereweremanyadvantagesinm icrowave -dryingline.Thequalityoftheproducts wasbetterthancoaldr yingwith no sulfur,so their prices were bette r whichcould even up the higher electricity -cost.更多还原