Sterile inoculation device for fermentation

The utility model relates to a sterile inoculation device for fermentation. The sterile inoculation device comprises an inoculation bottle, a connecting pipe and a steam source, wherein the connecting pipe is used for connecting the inoculation bottle to a fermentation tank; the steam source is used for providing high-temperature steam; a steam branch pipe connected with a steam source and a first exhaust branch pipe connected with the outside are arranged on the connecting pipe; a mounting pipe connected with the connecting pipe is arranged on the inoculation bottle, and a second exhaust branch pipe connected with the outside is arranged in the middle of the mounting pipe; the end portions of the installing pipe and the connecting pipe are provided with fast-assembling connectors which are matched with each other. The sterile inoculation device for fermentation is suitable for inoculation operation in the fermentation industry of antibiotics, monosodium glutamate, biological products and the like, has a simp