Washington Township Office Of Emergency Management (OEM) – Propane Tank Explosion

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Washington Township Office Of Emergency Management (OEM) – Propane Tank Explosion

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Tank Explosion.”

[Washington Township Office Of Emergency Management (OEM) – Propane Tank Explosion]

[Washington Township Office Of Emergency Management (OEM):] Source: LYBIO.net
When a tank is exposed to sustained heat such as that from a fire, the liquid within the tank is forced to boil or vaporize resulting in increased pressure in the tank.

To prevent over stressing the tank, the relief device activates venting the excess pressure, and as pressures decreases in the tank, the valve begins to close. With continued heating, pressure again builds causing the relief valve to reopen. Where flames impinge on the tank below the liquid level, the liquid absorbs the heat allowing the tank metal to remain at a safe temperature.

With continued relief valve operation the liquid levels drops exposing a greater area of the tank to the effects of the heating. With the flames impinging on the vapor space of the tank, the temperature of the tank metal, un-cooled by liquid, rises and at some point due to the vapor pressure from within the tank metal begins to weaken, stretch and eventually tear.

As the tank comes apart, large quantities of both liquid and vapor are released in a powerful explosion. The heat radiated is sufficient to ignite combustibles and cause burns great distances from the explosion. Tank sections containing rapidly igniting fuel can become flying missiles traveling great distances, causing secondary fires and other damage. It all happens quickly with little warning.

Washington Township Office Of Emergency Management (OEM) – Propane Tank Explosion. It all happens quickly with little warning. Complete Full Transcript, Dialogue, Remarks, Saying, Quotes, Words And Text.

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