GB/T 18442.6-2019 Translated English of Chinese Standard. (GBT 18442.6-2019, GB/T18442.6-2019, GBT18442.6-2019): Static vacuum insulated cryogenic pressure vessels - Part 6: Safety protectionhttps://www.chinesestandard.net, 26. sep. 2020 - 31 sider This part of GB/T 18442 specifies the selection principles and setting requirements of safety accessories, gauges, handling accessories used in static vacuum insulated cryogenic pressure vessels, as well as the calculation of the safety discharge volume of tank, the calculation of the discharge capacity of the overpressure relief device. |
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according to formula ambient temperature bursting disc device calculated according critical pressure cross-sectional area cryogenic pressure vessel degrees Celsius kJ/(kg·°C device shall meet discharge capacity emergency shut-off devices explosive media flammable and explosive flow rate introduced following requirements formula A.10 fusible alloy Gas specific heat GB/T handling accessories heat flow rate heat transfer coefficient hot wall hour kg/h inner vessel instruments and handling insulating material insulation system kilogram degrees Celsius kilogram m3/kg kilograms per hour kilojoules per kilogram level measuring device meet the following meet the requirements metal supporting member meter Kelvin W/(m·K normal vacuum overpressure relief device pipe material pressure measuring device relief pressure safe discharge volume safety accessories safety valve saturation temperature specific heat capacity square meters m2 stored medium subcritical flow system is intact tank temperature of 922 thermal conductivity total heat flow vacuum gauge vacuum insulated cryogenic vacuum interlayer vessel is calculated watts per meter watts W