Feed port sealing mechanism for preventing leakage of smell and heat in fermentation tank

The utility model relates to a feed port sealing mechanism for preventing odor and heat in a fermentation tank from leaking. In an existing system, a bin door is not provided with electric starting and opening, manual opening is needed, inconvenience exists, it is difficult to guarantee that the bin door is in a completely closed state in a manual opening and closing mode, and consequently pungent smell leaks. The sealing door plate comprises a sealing door plate and is characterized in that the sealing door plate is arranged inside a fermentation tank body, and the sealing door plate is controlled by a connecting rod mechanism and an air cylinder to be opened and closed. According to the utility model, the sealing door plate is arranged in the fermentation tank and is driven by the cylinder to be opened and closed, so that time and labor are saved, a certain degree of intelligence can be realized, reliable and complete closing is ensured, and odor and heat in the fermentation tank can be effectively prevente