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Duane 3NE 2NR wrote:didn't seem that anything burnt.
Just the bottle exploded and blew out everything around it
88sins wrote:Op, nitrous is flammable, the oxygen in it makes it flammable, it just requires a whole lot more pressure and heat to ignite due to the inert nature of the ratio of nitrogen in it. With enough heat and pressure, it will ignite. But I doubt that's the scenario in this case.
Les Bain wrote:Maybe he had beef with the Tran boys, who knows?
sMASH wrote:All pressure vessels should be periodically pressure certified, to avoiiiid this. Lol
The constant pressuring and depressuring weakens the materials...
88sins wrote:Op, nitrous is flammable, the oxygen in it makes it flammable, it just requires a whole lot more pressure and heat to ignite due to the inert nature of the ratio of nitrogen in it. With enough heat and pressure, it will ignite. But I doubt that's the scenario in this case.
Doesn't look like it was torched, but there's no burst disc, so that's issue number one.
What probably happened?
I suspect the tank had some weak spots on the inside (micro cracks that were either not found on inspection or developed after inspection, if it was even ever inspected), and that the tank was pressurized with more gas than it was rated for, and heat caused said gas to expand to the point where the tank simply couldn't hold it, so it failed violently at its weakest point.
IF you gonna over fill a pressure vessel, make damn sure it can hold what you putting in it, and that it has a proper burst disc in the event of temperature induced thermal expansion of the gas inside it. As a general rule, a tank can be safely overfilled by up to 2-5% of its pressure rating, to allow for pressure decrease when the gas inside the vessel cools after being heated from compression. But 5% is the maximum.
Also, people either forget or don't know, that older metal tanks that are subject to frequent charge and discharge cycles actually get what's called work hardened. This stresses and can actually weaken a pressure vessel, and will contribute to its eventual failure.
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