食品科学 ›› 2002, Vol. 23 ›› Issue (7): 58-62.

• 基础研究 • 上一篇    下一篇

鲜姜微波干燥的湿热分析试验

 刘丽, 罗平, 彭增华, 宋云芳, 江滨   

  1. 云南民族学院化学系,昆明理工大学,云南省粮油进出口公司
  • 出版日期:2002-07-15 发布日期:2011-12-31

Comparison study Between Hot Air Drying and Microwave Drying of Fresh Ginger

 LIU  Li, LUO  Ping, PENG  Zeng-Hua, SONG  Yun-Fang, JIANG  Bin   

  • Online:2002-07-15 Published:2011-12-31

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。

关键词: 微波, 干燥

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.

Key words: Microwave, Dry