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首页> 外文期刊>Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers >A simple predictive tool for monitoring steam loss in traps
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A simple predictive tool for monitoring steam loss in traps

机译：一个简单的预测工具来监控蒸汽损失在陷阱

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摘要

Steam traps are important parts of any steam system. Their basic function is to prevent the passage of steam while allowing condensate to flow. Traps are generally used on all kinds of steam heating equipment in which the steam gives up heat and is converted to condensate. Malfunctioning traps represent a significant source of wasted energy. Whether a trap is used to keep condensate from accumulating in a steam line, or to discharge water from a steam heated machine, its operation is very important and from a quantitative perspective, it is necessary to estimate steam losses in steam traps. In the present work, a simple-to-use predictive tool, which is easier than existing approaches, less complicated with fewer computations, is formulated to arrive at an appropriate estimation of the condensate flow rate and flow factor. The resulting information can then be applied to estimate actual loss of steam, for pressures up to 3500kPa(abs) and saturation temperatures of sub-cooled condensates up to 100 C. The proposed predictive tool shows a very good agreement with the reported data wherein the average absolute deviation percent hovered around 2.87%. This approach can be of immense practical value for the engineers and scientists to have a quick estimation of the actual loss of steam in steam traps for wide range of operating conditions without the necessity of any pilot plant set up and tedious experimental trials. In particular, process engineers would find the tool to be user-friendly involving transparent calculations with no complex expressions for their applications.
机译：的蒸汽疏水阀是重要的部分系统。通过蒸汽,同时允许冷凝流。蒸汽加热设备的蒸汽热量转化为冷凝。故障陷阱代表一个重要浪费能源的来源。防止冷凝蒸汽累积线,或从一个蒸汽排放水加热机,其操作是非常重要的,定量的角度来看,是很有必要的估计蒸汽疏水阀的损失。现在的工作,一个简单易用的预测工具,比现有方法更容易,更少用更少的计算,复杂制定到达一个适当的估计冷凝液流量和流的因素。产生的信息可以被应用到估计实际损失的蒸汽压力3500 kpa (abs)和饱和温度sub-cooled冷凝物100 c .提议的预测工具显示了一个很好的协议报告数据中平均绝对的偏差百分比在2.87%左右徘徊。方法可以有极大的实用价值有一个快速的工程师和科学家估计实际损失的蒸汽在蒸汽陷阱为广泛的操作条件没有任何试验工厂设置的必要性而乏味的实验试验。过程工程师会发现工具用户友好的涉及透明计算他们没有复杂的表达式应用程序。

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