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["¿Cómo se determina quién pasa por el tubo y quién pasa por el cascarón en un intercambiador de calor tubular?"", """¿Cómo está determinado quién pasa por el tubo y quién pasa por el cascarón en un intercambiador de calor tubular?"", """"No es tan sencil """"No es tan simple """"No es así de " """"El fluido " """"""El fluid " """"El fluid " """"El fluid " """"El fluido """"¡¡¡¡ " """"¡¡" """"No es

2019-07-11View Original

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管壳式换热器谁走管程谁走壳程是怎么定的?
Reply #22019-07-11
不是这么简单,需要考虑很多因素:
Reply #32019-07-11
不是这么简单,需要考虑很多因素: 宜走管内的流体: 1)不洁净和易结垢的流体,因为管内清洗方便; 2)腐蚀性的流体,因为可避免管子、壳体同时受腐蚀,且管子便于清洗和检修; 3)压强高的流体,因为可以节省壳体材料; 4)有毒的流体,因为可减少泄漏的机会。 宜走壳程的介质: 1)饱和蒸汽,因为可便于及时排除冷凝液,且蒸汽比较干净,清洗比较方便; 2)被冷却的流体,因为可利用壳体散热,增强冷却效果; 3)粘度大的流体或流量小的流体,因为流体在折流板的作用下,可提高流动对流传热系数; 4)对于刚性结构的换热器,若两流体的温差大,对流传热系数较大的介质走壳程,可减少热应力。
Reply #42019-07-11
兄台自问自答,干得漂亮。感谢知识分享!
Reply #52019-07-11
兄弟这骗分方法,要人命啊!
Reply #62019-07-11
学*了:lol:victory:
Reply #72019-07-12
自问自答,知识传播,设为每日一题不错嗯
Reply #82023-07-21
那有那么简单一下子说清楚的

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