Explosion-proof tank

The utility model discloses an explosion-proof box which comprises a box body and a movable cover plate, and the box body is provided with at least one pressure relief opening. The movable cover plate is arranged on the box body in a manner of being capable of being movably switched between a closed state and a pressure relief state; when the movable cover plate is in the closed state, the pressure relief opening is sealed and covered, and when the movable cover plate is in the pressure relief state, the pressure relief opening is opened. According to the technical scheme of the utility model, the use safety of the explosion-proof box can be improved. 本实用新型公开一种防爆箱，其中，所述防爆箱包括箱体和活动盖板，所述箱体具有至少一个泄压口；所述活动盖板在闭合状态与泄压状态之间可活动切换的设于所述箱体上；所述活动盖板处于所述闭合状态，以封盖所述泄压口，在处于所述泄压状态时，打开所述泄压口。本实用新型技术方案可以提高防爆箱的使用安全性。