The reactor is a device for realizing the reaction process, and is used for realizing a single-phase reaction process in a liquid phase and a multi-phase reaction process of liquid, liquid, gas, liquid, gas, liquid and solid. Stirring (mechanical stirring, airflow stirring, etc.) is often provided in the device. When the height of the high diameter is relatively large, the multi-layer stirring blade can be used. When the material needs to be heated or cooled during the reaction, a jacket may be arranged at the reactor wall, or a heat exchange surface may be arranged in the reactor, or the heat may be exchanged through the outer circulation.
