Explosion-proof device for joint pipe of accessory equipment of flammable and combustible storage tank

An explosion-proof device for a joint pipe of accessory equipment of a flammable and combustible storage tank belongs to the technical field of fuel oil and liquefied gas equipment, and is characterized in that a fixed pipe is fixedly arranged on the accessory equipment of the flammable and combustible storage tank, two valve chambers are transversely formed in the fixed pipe, explosion-proof valve cores are respectively inserted and matched with the valve chambers, and the explosion-proof valve cores are arranged in valve seats with hollow shell-shaped structures; wherein the anti-explosion valve core is fixed with the valve seat through the fixer, the valve seat is in threaded fit with the tubular valve chamber, a valve rod of the anti-explosion valve core is in threaded fit with the traveling nut, a limiting bolt is arranged at the front end of the valve rod, a hand wheel handle is fixed at the rear end of the valve rod, and the valve rod is sealed and fixed with an end cover of thevalve chamber through a