STIRRED TANK FOR STORING YEAST SLURRY, METHOD OF MANUFACTURING FERMENTED FOODS SUCH AS BEER USING THE STIRRING TANK, AND STIRRING IMPELLER PROVIDED IN THE STIRRED TANK

摘要

An agitation tank for storing a yeast solution to be supplied to a fermentation tank where fermented foods such as beer are fermented, characterized in that agitating vanes provided in the above agitation tank a re so constructed that a maximum diameter of a rotating body formed when the agitating vanes rotate is 60 to 90 % of the inner diameter of the agitation tank, and the height of the rotating body is at least 70 % of a standard dep th of a yeast solution stored normally in the tank.