Doubts regarding the calculation of external pressure for vertical storage tanks in HG/T20696-2018 \"Technical Specifications for Chemical Equipment Made of Fiber-Reinforced Plastics\"

2019-10-17View Original

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The calculation section for vertical storage tanks in HG/T20696-2018 \"Technical Specifications for Chemical Equipment Made of Fiber-Reinforced Plastics\" states that the calculated external pressure for vertical storage tanks should not exceed 500 Pa. However, according to the formula used for calculating this external pressure, taking only the wind pressure of 300 Pa into account, the minimum calculated external pressure for Class D sites already exceeds 400 Pa, while for Class C sites it reaches 499.5 Pa. How is it possible to use this standard for calculating vertical tanks made of fiber-reinforced plastic under such circumstances? Moreover, no other standards that can replace HG/T20696-2018 have been found.

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Doubts regarding the calculation of external pressure for vertical storage tanks in HG/T20696-2018 \"Technical Specifications for Chemical Equipment Made of Fiber-Reinforced Plastics\"

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