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首页> 外文期刊>International Journal of Heat Exchangers >Shear enhancing fouling reduction in heat exchangers
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Shear enhancing fouling reduction in heat exchangers

机译：剪切力增强热交换器的结垢减少

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Recently, several technologies have been introduced to mitigate heat exchanger fouling. These technologies could prevent/minimize both the shell and tube side fouling. Among such technologies are self-cleaning, helical baffles configuration, twisted tube, brush cleaning and ball cleaning. Self-cleaning and helical baffles configuration technologies were developed, used and evaluated for oil industry in Saudi Arabia and implemented in Saudi Aramco facilities. This paper presents the performance results in reducing fouling by introducing these fouling mitigation technologies. The results indicated that in the self-cleaning technology, the small particles charged with the crude provided scouring action and cleaned the tubes continuously. Furthermore, the heat exchanger efficiency has increased due to increasing the flow turbulence level. The helical baffle configuration when compared to the conventional segmental configurations, reduced the shell side fouling and enhanced heat transfer. New correlations that account for helical baffle and self-cleaning configurations are presented.
机译：近来，已经引入了几种技术来减轻热交换器结垢。这些技术可以防止/最小化壳体和管子的侧面污垢。这些技术包括自清洁，螺旋挡板配置，扭曲管，刷子清洁和滚珠清洁。在沙特阿拉伯的石油工业中开发，使用和评估了自清洁和螺旋折流板配置技术，并在沙特阿美工厂实施了该技术。通过介绍这些污垢缓解技术，本文介绍了减少污垢的性能结果。结果表明，在自清洁技术中，装满原油的小颗粒提供了洗涤作用并连续清洁了管道。此外，由于增加了湍流水平，热交换器的效率提高了。与常规分段结构相比，螺旋挡板结构减少了壳体侧面的结垢并增强了热传递。提出了解决螺旋形挡板和自清洁配置的新关联。

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