Explosion-proof boiler

The utility model discloses an explosion-proof boiler. The utility model belongs to the technical field of boiler safety devices. Explosion-proof boiler, the pot comprises a pot body, an outer pot cover is arranged at the upper end of the pot body; the outer pot cover is in contact with the pot body; a circular groove is formed in the upper end of the outer pot cover; an inner pot cover is inserted into the circular groove; the inner wall of the outer pot cover is fixedly connected with an explosion-proof membrane; the upper end of the explosion-proof membrane is fixedly connected with a supporting column; the end, away from the explosion-proof membrane, of the supporting column is fixedly connected with the inner pot cover. The outer end of the explosion-proof membrane is provided with aplurality of uniformly distributed main vent holes; the upper end of the inner pot cover is fixedly connected with a handle; two auxiliary vent holes are dug in the outer end of the inner pot cover and are symmetrical about t