Ball valve for fermentation tank and fermentation tank including the same

A ball valve for a fermentation tank, characterized by including:

• a main body, enclosing a chamber therein, the main body having a first inlet and a first outlet at two ends thereof, the first inlet and the first outlet communicating the chamber respectively, the main body having a discharge port on a lateral wall thereof, the discharge port communicating the chamber and being located between the first inlet and the first outlet, a first valve being disposed on the discharge port;
• a ball body, rotatably received in the chamber of the main body, the ball body being formed with a flow channel, two ends of the flow channel being a second inlet and a second outlet respectfully, the ball body further having a liquid intake port communicating the flow channel, a gap being formed between the ball body and an inner wall of the chamber;
• a rotation mechanism, connected to the ball body to make the ball body rotate between an open position and a washing position;
• when the ball body is located at the open position, the second inlet communicating the first inlet, the second outlet communicating the first outlet, the liquid intake port facing the gap to communicate the gap;
• when the ball body is located at the washing position, the second inlet and the second outlet both facing the gap, the liquid intake port communicating the first inlet;
• wherein the liquid intake port extends in a direction vertical to the flow channel.