Can a 900 mm diameter stainless steel tank with 3 mm standard end caps withstand pressures ranging from -1 to 0.99 bar?
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The attachment is a diagram of the tank; please share your suggestions, experts
You can look up the GB/T150-2011 standard and do the calculations by yourself.
Since operation is carried out under negative pressure, 3mm might be a bit thin; calculate the maximum stress on that tank under vacuum conditions. This type of end cap is sometimes not afraid of high pressure, but it is vulnerable to vacuum conditions.
After a simple calculation, the negative pressure value meets the requirements barely; it ensures that the minimum thickness at the bending point is greater than the calculated thickness
This is the most straightforward; it’s clear without any doubt.
This post was last edited by zhangjuhua on 2017-4-19 at 19:27. It doesn’t seem to mention the amount of thinning, but it states that the bent area is greater than the calculated thickness, which is more or less the same thing. The design based on the drawings looks good; it’s not just 3mm
What about the cylinder thickness? The cylinder is most vulnerable to vacuum pumping~