The invention discloses a pin type anti-explosion door used for an industrial boiler, and belongs to the safety and explosion prevention field of industrial boilers. The pin type anti-explosion door comprises a spring cover (1), a spring (2), an opening pin (3), an anti-explosion door body (4), a movable hinge (5), a hinge shaft (6) and a fixed hinge (7), and is characterized in that the fixed hinge (7) is fixedly connected with a cavity in the boiler, the movable hinge (5) is fixedly connected with the anti-explosion door body (4), the fixed hinge (7) is movably connected with the movable hinge (5) through the hinge shaft (6), the anti-explosion door body (4) can rotate by 180 degrees in the clockwise direction with the hinge shaft as the axis, the spring cover (1) is arranged at the position, 180 degrees away from the hinge shaft, of the anti-explosion door body (4), the spring (2) and the opening pin (3) are arranged in the spring cover (1), one end of the opening pin (3) makes contact with the spring (2), and the other end of the opening pin (3) enters the cavity in the boiler through an opening in the cavity in the boiler.