This is a specilized equipment to wet peel the red coat of pignut. It is widely used in the previous peeling process of fried pignut,spiced pignut,pignut protein milk powder,eight-treasure congee,pickled pignut and canned pignut etc. It has a high peeling rate and the peeled pignut will be kept whole,white surface and protein well. The red coat can separate with the pignut automatically when peeling,and it is really efficient and easy to operate.