Small-scale test device with monitoring function for preparing manganous-manganic oxide

The utility model discloses a trimanganese tetroxide preparation small-scale test device with a monitoring function, relates to the technical field of metallurgical chemical engineering tests and production devices, and aims to solve the problem that a trimanganese tetroxide preparation small-scale test reactor has defects in gas supply and monitoring. The reactor comprises a reactor main body, an upper end cover is provided with a reactor top cover, the middle part of the top cover is provided with a through hole for a stirring paddle to extend into, and the top cover is also provided with a plurality of test electrode hole positions in which test electrodes are respectively inserted; a reactor base plate is arranged below a bottom plate of the reactor main body, a micro-nano bubble generator is arranged between the bottom plate of the reactor main body and the reactor base plate, a plurality of bottom plate exhaust micropores are formed in the bottom plate of the reactor main body, air passages are formed i