Explosion-proof granularity monitoring device

The utility model relates to the technical field of oil quality monitoring, in particular to an explosion-proof granularity monitoring device which comprises an explosion-proof casing, and a box cover is arranged at the top of the explosion-proof casing. The explosion-proof machine shell is arranged, the box cover is arranged on the top of the explosion-proof machine shell, and the sealing strip is arranged on the butt joint annular plate used for butt joint between the explosion-proof machine shell and the box cover, so that the sealing performance between the explosion-proof machine shell and the box cover is improved; anti-explosion sealing rings are arranged on the inner sides of an oil receiving pipe connector, an oil outlet pipe connector, an antenna opening and a wire opening which are formed in a front side panel of the anti-explosion machine shell, after installation, a relatively sealed space is formed in the anti-explosion machine shell, the anti-explosion effect is good, and the anti-explosion mac