Wine fermentation tank convenient for exhausting

The utility model discloses a grape wine fermentation tank convenient for exhausting. Tank body, a threaded through hole is formed in the upper end of a liquid collecting groove formed in the center of the tank cover; exhaust channels vertically formed in the two ends in the tank cover are connected with one end of a U-shaped exhaust guide pipe installed on the upper surface of the tank cover. Theother end of the exhaust guide pipe is inserted into the liquid collecting tank; compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses: the beneficial effect is: the liquid collecting tank is filled with sterilization and disinfection liquid or water with poor volatility through the threaded through hole; gas is generated in the tank body due to fermentation of fermentation liquor; air pressure in the tank body is increased; gas can enter liquid in the liquid collecting tank through the exhaust channel and the exhaust guide pipe and isfinally exhausted into air