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2020-12-17View Original

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Reply #22020-12-17
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Reply #32020-12-17
["保冷还是保温,老革命的新问题
Reply #42020-12-17
2反应釜先是夹套内蒸汽加热,后来切换冷冻水防止反应超温,那么夹套是保冷还是要保温?
Reply #52020-12-17
3维维持恒温吧?前期蒸汽加热可能是为了提高温度,保证反应和转化率,后期降温?是为了将反应热转移走,防止超温超压吧
Reply #62020-12-17
4我问的是夹套要用聚氨酯保冷还是要岩棉保温。
Reply #72020-12-17
5保温设计;取走热量是辅助手段。
Reply #82020-12-17
6保温设计;取走热量是辅助手段。
Reply #92020-12-17
7岩棉不怕冷,橡塑和聚氨酯怕热,应该只是用岩棉
Reply #102020-12-17
8应该根据各个隔热材料的使用温度与传热系数选择材料、使用厚度。
Reply #112020-12-18
9必须一个釜的话 岩棉保温 如果有条件的话 可以将工艺分成两步 在两个设备内完成 第一个釜完成后转移至第二个釜降温 能相当大程度减少能耗
Reply #122020-12-19
10-我问的是夹套要用聚氨酯保冷还是要岩棉保温。
Reply #132020-12-19
1保温设计;取走热量是辅助手段。
Reply #142020-12-21
6保温设计;取走热量是辅助手段。
Reply #152020-12-23
7岩棉不怕冷,橡塑和聚氨酯怕热,应该只是用岩棉
Reply #162020-12-23
8应该根据各个隔热材料的使用温度与传热系数选择材料、使用厚度。
Reply #172020-12-24
那保冷的时候,里面要有防潮层。现在做保温就不用防潮层了。反应釜保冷的时间长于保温时间,没有防潮层,会有危害吗?

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