Small fermentation tank for laboratory

The utility model discloses a small-sized fermentation tank for a laboratory, which comprises an air supply device, a tank body and a heat collection type magnetic stirrer, an inoculation port, an air inlet/outlet, a liquid supplementing port and a bacteria outlet are respectively arranged on a top cover of the tank body, an air outlet of the air supply device is connected with the air inlet/outlet through a pipeline, and the tank body is arranged on the heat collection type magnetic stirrer; the heat collection type magnetic stirrer comprises a stirrer body and a rotor, and the rotor is located in the tank body; the device is reasonable in structural design, the whole device is a miniaturized fermentation tank, the operation is simple, and the sterilization is convenient; the device is suitable for culturing aerobic microorganisms and can be used in parallel, and continuous culture can be realized by adding a liquid supplementing bottle; serial use can be realized, so that multi-stage seed culture is realize