Explosion resistance

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One way to limit the consequences of an explosion in a vessel is to build it in such a way that it can resist the explosion pressure.

Explosion resistance: explosion pressure resistant

If you want an explosion pressure resistant construction, we will design a vessel according to the rules of a pressure vessel, including all required safety margins and surcharges. There will be no permanent deformation of the vessel after a test. An explosion pressure resistant design does entail heavy security requirements.

Explosion resistance: explosion pressure shock resistant

A less heavy form of protection is to build an explosion pressure shock resistant construction. The vessel will not collapse in case of a test, but there can be permanent deformations afterwards. In practice, it comes down to taking only the essential safety measures. The maximal occurring stress will then be the yield stress (the level of stress at which the material starts to deform).

Explosion resistant: explosion pressure (shock) resistant to reduced explosion pressure

Even if you are already taking explosion reducing measures like explosion venting or suppression, there will still remain a residual pressure. The vessel has to be made resistant to this. Therefore, in such cases, we go for explosion pressure (shock) resistant vessels for reduced explosion pressure.

Explosion resistance: pay attention to maintenance

A disadvantage of the explosion resistant design is that it often results in heavy vessels with large numbers of nuts and bolts. It takes great discipline to always carefully fasten all bolts and nuts after maintenance. Remember: a chain is only as strong as its weakest link!  This means that good maintenance of the vessel and regular checking for wear and corrosion are very important.

Explosion resistance: pay attention to isolation

Do you want a construction that is explosion resistant? Then you should not forget to apply isolation. Within the construction, the explosion pressure can develop fully and will try to expand to all sides. This way, it can cause severe damage to adjacent equipment.

 

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+32 3 458 25 52
info@stuvex.be

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