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螺旋板式换热器的优缺点

小易为你介绍一下螺旋板式换热器的优缺点。

缺点:螺旋板式换热器要求焊接质量高,难以检修。重量大,刚性差,螺旋板式换热器应特别注意运输和安装。
生产实践证明,与普通管式换热器相比,螺旋板式换热器不易堵塞,特别是沉积物、小壳等悬浮颗粒不易沉积在螺旋通道中,分析其原因;它是在沟道中沉积单沟道杂质。转弯的流量也增加了以便将其冲走。其次,由于换热器螺旋通道中没有死角,杂质很容易冲出。

优点:螺旋板式的结构相对紧凑,单位体积提供的传热面积大。例如,螺旋板式换热器的传热表面直径为¢1500 mm,高度为1200 mm,可达130 m2。流体在换热器螺旋板中允许相对高的流速,并且流体在螺旋方向上流动,并且滞留层很薄,因此传热系数大并且传热效率高。另外,由于流速大,不易保留污垢。

英文:

  Xiaoyi will introduce the advantages and disadvantages of spiral plate heat exchanger for you.


Disadvantage: Spiral plate heat exchanger requires high welding quality and is difficult to repair。 Heavy weight, poor rigidity, spiral plate heat exchanger should pay special attention to transport and installation。

The production practice proves that the spiral plate heat exchanger is not easy to plug compared with the ordinary tube heat exchanger, especially the suspended particles such as sediment and small shell are not easy to deposit in the spiral channel. The reason is analyzed; it deposits single channel impurities in the channel. Turning traffic has also increased to wash it away. Secondly, because there is no dead angle in the spiral channel of heat exchanger, impurities can easily rush out.


Advantages: Spiral plate heat exchanger has relatively compact structure and large heat transfer area per unit volume. For example, the heat transfer surface diameter of spiral plate heat exchanger is 1500 mm, and the height is 1200 mm, which can reach 130 m2. Fluid in the spiral plate of heat exchanger allows relatively high flow rate, and the flow of fluid in the spiral direction, and the retention layer is very thin, so the heat transfer coefficient is large and the heat transfer efficiency is high. In addition, due to the high flow rate, it is not easy to retain dirt.

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