请各位高手帮忙 进料温度变化的 翻译，谢谢？ 本公司有一工艺装置，在翻译过程中，本人有下列问题 （ 请见原文红字部分 ）， 请各位高手指点帮助解决，在此，本人先向你表示感谢！ 两个表中的进料改变后，温度要求变化的翻译（即是两个表中的第二行，需请各位高手帮助） 7.1.3 Reactor Heating The following limits are provided as guidelines for reactor heating: To avoid high thermal stresses, the maximum temperature difference between any two skin points is limited by the temperature gradient between those two points. For the reactors, the maximum gradient is 28 ° C (50 ° F) over a characteristic length equal to 2.5 R*T, where R is the reactor radius and T is the wall thickness. Calculating the maximum temperature difference between any two skin TIs results in many temperature differences to monitor. Experience has shown that the following limits will usually allow the reactors to be heated without excessive thermal stress. Process Fluid Limits Reactor Skin Temperature <MPT （ MPT 是最小升压温度） >MPT （ MPT 是最小升压温度） Feed Temperature Change <8°C/15 Minutes <14°C/15 Minutes Feed Temperature <167°C Above Coldest Skin Temperature and <111°C Above Skin Temperature at Inlet/Outlet Nozzle and Reactor Top/ Bottom Head Temperature <167°C Above Coldest Skin Temperature and <111°C Above Skin Temperature at Inlet/Outlet Nozzle and Reactor Top/ Bottom Head Temperature 7.1.4 Reactor Cooling During any reactor cooling step, the rates of cooling should be kept within the following limits: Process Fluid Limits Reactor Skin Temperature <MPT （ MPT 是最小升压温度） >MPT （ MPT 是最小升压温度） Feed Temperature Change <8°C/15 Minutes <14°C/15 Minutes Feed Temperature <111°C Below Skin Temperature at Inlet/ Outlet Nozzle and <111°C Below Reactor Top/ Bottom Head Temperature <111°C Below Skin Temperature at Inlet/ Outlet Nozzle and <111°C Below Reactor Top/ Bottom Head Temperature 查看更多4个回答 . 1人已关注
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