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Optimization of insulation thickness and emissions rate reduction during pipeline carrying hot oil
Alexandria Engineering Journal ( IF 2.460 ) Pub Date : 2021-02-22 , DOI: 10.1016/j.aej.2021.01.042
Essam A. Salem; M. Farid Khalil; Asmaa S. Sanhoury

The present study discusses the insulation thickness effects on the underground oil pipeline life cycle overall costs and its sensitivity to economic parameters and environmental Emissions. The heating degree-day and life cycle cost procedures are used for the optimization and environmental analyses of the mazut oil pipeline. The insulation materials used are Rock wool, PF, and EPS regarding all the physical and economical parameters of insulation thickness. The results show that the optimum insulation thickness varies between 70.7 and 130.4 mm, the annual energy saving cost varies between 403.69 and 419.29 $/m, the payback periods vary between 0.331 and 0.887 years, the reductions in emissions at optimum insulation thickness marked 90.84% for Rock wool, 93.2% for PF, and 93.28% for EPS. Both lifetime and the unit cost of insulation is sensitive to the insulation thickness. Additionally, the increased discount rate and cost of insulation material per unit volume reduce the optimum insulation thickness. In conclusion, it is predictable that this research can supply a guide for engineers as insulation is used to decrease the total energy loss and total annual cost, which includes the fuel and insulation expenses of the pipeline of large diameters that are used to transmit viscous oil.



中文翻译:

优化输送热油的管道的绝缘厚度并降低排放率

本研究讨论了保温层厚度对地下输油管道生命周期总成本的影响及其对经济参数和环境排放的敏感性。采暖度-天数和生命周期成本程序用于麦芽油管道的优化和环境分析。考虑到所有绝缘厚度的物理和经济参数,所用的绝缘材料为岩棉PFEPS。结果表明,最佳绝缘厚度之间变化70.7和130.4毫米,每年的能量节省成本之间变化403.69和419.29 $ /米,在回收期之间变化0.331和0.887年S,在最佳的绝缘厚度在排放量的减少标记90.84%岩棉, 93.2%PF,和93.28%EPS。绝缘的寿命和单位成本都对绝缘厚度敏感。另外,每单位体积绝缘材料的折扣率和成本的增加降低了最佳绝缘厚度。总之,可以预见的是,这项研究可以为工程师提供指导,因为采用绝缘材料可以减少总的能量损失和每年的总成本,其中包括用于传输粘性油的大直径管道的燃料和绝缘费用。

更新日期:2021-02-22
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