Question: Calculation for boiler opening sizes

2010-10-07View Original

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For the newly designed boilers of our company, when calculating the stress strength of the openings in the boiler shell, single-sided groove welding is used for the doors that extend into the boiler. Which diagram from Table 19 of GB/T16508-1996 should be used in such calculations? Personally, I think none of them meet the requirements. May I ask the teachers, do you use a certain method to calculate this kind of opening reinforcement?

Reply #22010-10-08

Using the second calculation in Table 19, is there any problem?

Reply #32010-10-08

For plug-type pipe fittings, there indeed isn’t anything corresponding to them. However, GB/T9222 does specify plug-type pipe fittings; I’ve never worked on shell boilers, so I’m not sure if they’re suitable

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Question: Calculation for boiler opening sizes

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