Door type anti-explosion valve

The utility model discloses a door type anti-explosion valve which comprises a valve body. A door frame is arranged on the valve body, the door frame is provided with a door cover, a sealing connecting strip is further arranged between the door cover and the door frame, and an anti-explosion buffer device is arranged on the door frame on the inner side of the door cover. The door type anti-explosion valve further comprises a door cover bearing lug which is fixedly connected with the valve body, and the door cover is provided with a door cover support bracket which is connected with the door cover bearing lug in a hinged mode. A door cover follow-up device is arranged at one end, far away from the door cover support bracket, of the valve body, and the door cover is provided with a pressing piece which is pressed against the door cover follow-up device. When pressure is enlarged, high-pressure gas generates large pushing force to the door cover after being buffered by the anti-explosion buffer device, the door