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2019-05-10View Original

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Reply #22019-05-10
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Reply #32019-05-10
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Reply #42019-05-10
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Reply #82019-05-11
[]{"合适吗?关键是我的的还有相变。我设计卧式的时候是单壳程双管程,直径φ1
Reply #92019-05-15
[]{"合适吗?关键是我的的还有相变。我设计卧式的时候是单壳程双管程,直径φ45毫米,管长6m,适合改为立式吗?求大佬指教!","看叙述可知热物流走壳程、冷物流走管程。卧式改立式,需要重新设计计算,冷热物流的进出口位置、设备直径等
Reply #102019-05-15
[]{"看叙述可知热物流走壳程、冷物流走管程。卧式改立式,需要重新设计计算,冷热物流的进出口位置、设备直径等都会发生变化。","改立式要重新计算,气相冷凝的传热膜系数卧式和立式的不一样。","有相变双管的应该重新设计。","看叙述可知热物流走壳程、冷物流走管程。卧式改立式,需要重新设计计算,冷热物流的进出口位置、设备直径等都会发生变化。工艺理清啦就好办啦,曾经把一台立式换热器改成卧式换热器。用户使用对比后,卧式比立式的效果好。老老师说立式的设计难,显得很有水平😌😌😌","大佬,那其他部分的计算公式需要调整吗?本人小白一枚。"“现在很多老师也不靠谱,完全没有工程概念,全凭感觉和想象。这种意见不用理他。"“请大神们指导,1
Reply #112019-05-15
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Reply #122019-05-17
pérdida de de calor pérdida de de calor la superficie de
Reply #132019-05-17
de合适吗?关键是我的的还有相变。我设计卧式的时候是单壳程双管程,直径φ45毫米,管长6m,适合改为立式吗?求
Reply #142021-05-20
通常情况下冷凝器采用卧式较为普遍,但是改成立式冷凝器也不是不可以。立式冷凝器也有其优点,冷却水沿管内壁呈膜状留下,冷策传热系数很高,如果是冷凝传热系数高而结垢倾向低的物料,采用立式冷凝器的效果不比卧式冷凝器差

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