High-safety feed additive fermentation equipment

The utility model relates to the technical field of fermentation equipment, and discloses high-safety feed additive fermentation equipment which comprises a fermentation tank and a sealing cover which is arranged at the top of the fermentation tank and used for sealing installation, and a motor is fixedly installed at the top of the sealing cover. During mounting, the stirring shaft only needs to be rotated from the interior of the mounting shaft sleeve through the fixing shaft rod and then pulled out to the bottom to be taken down, and in the same way during mounting, the limiting sliding block on the fixing shaft rod is clamped into the top of the interior of the limiting clamping groove and then horizontally rotates and slides, so that the fastening pad is clamped into the fastening groove; at the moment, the stirring shaft can be quickly mounted and connected with the interior of the mounting shaft sleeve, so that the whole stirring blades on the stirring shaft can be quickly detached and taken down from