Negative pressure in ammonia storage tank, crushed
Thread Content
The drainage port of the ammonia water recovery tank at Liaoning Senyuan was frozen, resulting in negative pressure inside the tank after water was drained.
Is it because the temperature is too low, causing the gas phase to gradually liquefy and freeze, thus creating a negative pressure? ? ?
Judging from the poster’s explanation, this seems to be the reason. Usually, the issue lies in the manufacturing process, but I think the design should also be examined to understand why there isn’t sufficient preventive design in place
We’ve encountered this situation here as well; it happened because water was added too quickly. Fortunately, nothing serious happened – the indentation bounced back again
We’ve encountered this situation here as well; it happened because water was added too quickly. Fortunately, nothing serious happened – the indentation bounced back again
Can such a small storage tank also get deflated? The design pressure should be very low. There is a technical term called “crumple instability”. Since the coking tower in our plant once collapsed due to negative pressure, I have calculated its resistance to negative pressure. Calculation of the negative pressure resistance capacity of coking towers: http://bbs.hcbbs.com/thread-1288255-1-1.html
What a huge jar; it’s really tragic