What is the purpose of the semi-circular groove at the heat exchanger tube sheet?

2020-07-14View Original

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When working on the heat exchanger tube sheet, I noticed a semi-circular groove on the back of the sheet as indicated in the drawings. I’m not quite sure what purpose this groove serves; what is its function? What are the requirements regarding its design and dimensions? Thank you, experts! ! :handshake

Reply #22020-07-15

Stress relief groove; for specific structural dimensions, see Appendix I of GB151.

Reply #32020-07-16

Thank you; this structure must be used. How should its dimensions be designed?

Reply #42020-07-17

I’m quite curious about how this structure is implemented in practice

Reply #52020-08-02

The welder won’t know this; the designers know it best.

Reply #62020-08-05

Do you know how to design this structure and determine its dimensions?

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What is the purpose of the semi-circular groove at the heat exchanger tube sheet?

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