设计思路可分为以下几个步骤：（1） 根据给定值、搅拌轴转速、介质密度和

The design idea can be divided into the following steps: <br>(1) According to the given value, rotation speed of the stirring shaft, medium density and viscosity, determine the stirring power and the type of mechanically stirred fermentation tank; <br>(2) According to the type and position of the mechanically stirred fermentation tank For the equipment, the length of the stirring shaft is given, and a reasonable shaft diameter is designed; <br>(3) Select the motor according to the calculated power of the stirring shaft and the friction loss power of the stirring shaft seal; <br>(4) Select the deceleration according to the above design Drive, coupling, frame, mounting cover and other transmission devices; <br>(5) Finally, the compressive stress of the container caused by the operation of the mechanical stirring fermentation tank was checked, and the opening of the container was strengthened.

设计思路可分为以下几个步骤：<br>（1） 根据给定值、搅拌轴转速、介质密度和粘度，确定搅拌功率和机械搅拌发酵罐的类型；<br>（2） 根据机械搅拌发酵罐的类型和所给设备的情况，给出了搅拌轴的长度，并设计了合理的轴径；<br>（3） 根据计算出的搅拌轴功率和搅拌轴封的摩擦损失功率选择电机；<br>（4） 根据以上设计选择减速器、联轴器、机架、安装盖等传动装置；<br>（5） 最后，对机械搅拌发酵罐运行引起的容器压缩应力进行了校核，并加强了容器的开孔。

The design idea can be divided into the following steps:<br>(1) According to the given value, rotating speed of mixing shaft, medium density and viscosity, the mixing power and the type of mechanically stirred fermentation tank are determined;<br>(2) According to the type of the fermentor and the condition of the equipment, the length of the stirring shaft is given, and the reasonable shaft diameter is designed;<br>(3) The motor is selected according to the calculated power of the mixing shaft and the friction loss power of the mixing shaft seal;<br>(4) According to the above design, the transmission devices such as reducer, coupling, frame and installation cover are selected;<br>(5) Finally, the compressive stress of the vessel caused by the operation of the mechanical stirring fermentor is checked, and the opening of the vessel is strengthened.