Bacillus subtilis fermentation oxygen supply connecting structure

The utility model discloses a bacillus subtilis fermentation oxygen supply connecting structure which comprises a fermentation tank body for bacillus subtilis, and the fermentation tank body is connected with an oxygen supply pipe through an oxygen connecting pipe; an inner fastener is arranged on one side of the oxygen connecting pipe, a fastener is arranged at the joint of the oxygen supply pipe and the oxygen connecting pipe, the inner fastener of the oxygen connecting pipe is matched with the fastener of the oxygen supply pipe, and the oxygen connecting pipe is connected with the oxygen supply pipe. According to the utility model, through the arrangement of the inner fastener and the fastener, the oxygen connecting pipe and the oxygen supply pipe are connected more simply, complicated thread or flange connection is not needed, and the operation time and the labor intensity in the connecting process are reduced. 本实用新型公开了一种枯草芽孢杆菌发酵氧气供应连接结构，包括用于枯草芽孢杆菌的发酵罐体，所述发酵罐体通过氧气接管与氧气供应管相连；所述氧气接管的一侧设置有内扣件，所述氧气供应管与氧气接管连接处