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A Pinch Analysis approach for minimizing compression energy and capital investment in gas allocation network

机译:一种钢筋分析方法,可最大限度地减少气体分配网络的压缩能量和资本投资

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摘要

Transportation of fluid is a very important aspect of process industries, especially for oil and gas industries. Pipelines have been considered as the most effective and safest way of transporting fluids. Transportation of gas through a pipeline is an energy-intensive process; hence, energy optimization in gas transportation networks is an important issue to be considered while framing the environmental policies. In this paper, a novel graphical methodology based on pinch analysis approach for simultaneous minimization of capital investment and compression energy requirement in gas allocation network with the aid of thermodynamic relations is developed. The results of the proposed methodology are expressed as a Pareto optimal front. The e-constraint method is used to generate Pareto optimal front for the two objectives. Identifying the relationship between capital investment and energy requirement gives the opportunity to the decision-maker for choosing the suitable optimal operating point based on the operating and economic conditions of the process. This result allows the planner to calculate the effects via increasing or decreasing energy requirement or capital investment. The applicability of the proposed methodology is demonstrated through two illustrative examples.
机译:流体的运输是工艺行业的一个非常重要的方面,特别是石油和天然气行业。管道被认为是作为运输液体最有效和最安全的方式。通过管道运输气体是一种能量密集的过程;因此,燃气运输网络中的能量优化是在构建环境政策时要考虑的重要问题。本文开发了一种新颖的基于PINCH分析方法,用于借助热力学关系的燃气分配网络同时最小化资本投资和压缩能量要求的钢筋分析方法。所提出的方法的结果表示为帕累托最佳的前线。电子约束方法用于为两个目标生成Pareto最佳前端。确定资本投资与能源需求之间的关系为决策者提供了基于该过程的经营和经济条件选择合适的最佳操作点的机会。该结果允许计划者通过增加或降低能源需求或资本投资来计算效果。通过两个说明性实施例证明了所提出的方法的适用性。

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