Wine fermentation tank convenient for material circulation

The utility model discloses a grape wine fermentation tank convenient for material circulation, which relates to the technical field of grape wine fermentation tanks, and comprises a tank body, a feeding pipe arranged on the tank body, a liquid discharge pipe fixedly communicated with the tank body, a barometer arranged on the tank body, an exhaust pipe fixedly communicated with the tank body, and a valve arranged on the exhaust pipe, and a first filter screen is mounted in the tank body. The shielding assembly, the first filter screen and the driving assembly are arranged in a matched mode, and the shielding assembly can be stored through the driving assembly, so that a mixture of grape juice, grape fruits and grape skin entering the tank body through the feeding pipe can be directly conveyed to the position between the first filter screen and the shielding assembly; the driving assembly is used for unfolding the shielding assembly, and the grape skin is stored between the shielding assembly and the first fi