What are the consequences if high-pressure equipment is depressurized too quickly?
Thread Content
What are the consequences if high-pressure equipment is depressurized too quickly?
It will crush the catalyst; if the force is too great, it will break the welds
A rapid pressure release due to excessive stress can cause unnecessary damage, such as spalling of the surfacing layer and tearing of the flanges!
If the equipment contains internal components or is filled with catalyst, an excessively rapid pressure release can create a large pressure difference within the equipment in the direction of pressure release, causing the internal components to deform and the catalyst to break down and lose its activity. Furthermore, in the case of high-pressure hydrogen-handling equipment, rapid pressure release can prevent the hydrogen that has penetrated into the equipment walls from being released in time, thereby causing hydrogen bubbles to form within the steel, which reduces the equipment’s pressure resistance and increases the risk of accidents.
During normal operation, high-voltage equipment is subjected to corresponding stresses, which are referred to here as “positive stresses”. During pressure release, as the “positive stress” decreases and disappears rapidly, the equipment experiences “negative stress”. If the device is depressurized too quickly and too frequently, the alternating stresses in both directions are likely to cause premature failure of the device.
Too rapid pressure release can cause the equipment and its internal components to deform; if there is a catalyst inside the equipment, it will be crushed and lose its activity~!
Too fast a pressure release can damage the equipment and may also alter certain properties of the substances within it.
Haha. In one sentence: Damage to the internal components and catalyst