Fermentation systems is made up of Fermentation Tank and Bright Beer Tank quantities are based on customer's request. According to different fermenting request, struture of fermentation tank be be desigened accordingly. Generally Fermentation Tank structure is dished head and conebottom, with Polyurethane installation and dimple cooling jackets. There is a cooling jacket on tank cone section,columnar part has two or there cooling jackets. This not only can meet the relevant requirements of cooling, guarantee cooling rate of fermentation tank, also help to precipitation and storage the yeast.