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对于壳管冷凝器内部材质铜管和不锈钢管的优缺点比较

时间:2018-01-17 08:55:56  来源:原创  作者:永世机械

 冷凝器是换热设备的核心配置,冷凝器质量的好坏,直接决定机械设备的整体性能,因此很多人在选择冷凝器的时候,往往不知道哪种材质更适合自己,比如冷凝器内部是选择铜管还是不锈钢管呢?就这个问题我再这里简单的给大家分析一下。

he condenser is a heat exchanger core configuration, condenser quality directly determines the overall performance of the mechanical equipment, so many people in the choice of the condenser, often do not know what kind of material is more 

其实大的区别不在于传热性能、抗腐蚀性能的好坏,而是铜管比不锈钢管更不容易结垢,这也中国人没有意识到的。举个简单的例子,国外的商用锅炉是不用水处理设备的,但寿命却长达15年。原因在于,虽然水也能在铜管壁上生成水垢,但其生成的只是絮状的水垢
suitable for them, such as the inside of the condenser is brass or stainless steel tube? I'll give you a brief analysis of this question.The biggest difference is not the heat transfer performance and the corrosion resistance, but the copper tube is much 
在这种情况下,只要加大水的流速,水垢便不能沉淀下来。
harder to scale than stainless steel pipes. For a simple example, 
 其次,才是传热性能。铜的热传导率要比不锈钢的高,所以同样形状的铜管的传热系数要比不锈钢管的高。所以在蒸发器冷凝器上用的换热管基本上都是用铜做的。
but the life span is 15 years. The reason is that although water can also generate scale on the copper tube wall, it only generates floc scale. In this case, as long as the flow rate of water is increased, the scale will not precipitate.
  第三,不锈钢的强度要比铜高一些,所以现在我们所看到板式换热器的板片都是不锈钢的(当然也不其它的,如钛板、石墨),但初的板片也是铜的。当然,铜的价格要比不锈钢高的多。
Secondly, it is the performance of heat transfer. The heat conductivity of copper is higher than that of stainless steel, so the heat transfer coefficient of the copper tube of the same shape is higher than that of the stainless steel tube. So the heat 
  以上就是铜管和不锈钢管的优缺点对比,我相信,你会更加直观的了解,去选择更加适合自己的。
transfer tube used in the evaporator condenser is basically made of copper.The above is the advantages and disadvantages of copper tube and stainless steel tube, I believe, you will be more intuitive to understand, to choose more suitable for yourself.

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