燃气输配管网调峰过程的动态模拟分析

Dynamic Simulation Analysis of Peak-shaving Using Gas Transmission and Distribution Network

介绍了燃气输配管网储存天然气的方法。利用末段管道和储气罐的储气技术,采用动态模拟计算方法可以调整和优化设计,解决系统供需矛盾,向用户安全、稳定供气。输配管网的动态分析可以对燃气输配管网进行实时的仿真模拟,对管网中管网结构、管径、储气方式及其组合进行有效的调整,使管网运行参数最优。动态模拟方法是基于流体力学原理,用数学分析方法对输气管网系统运行参数进行描述。结合工程实例,采用动态模拟方法计算了管网系统储气调峰能力,所得结果符合用户用气的储气调峰要求。

The paper concisely introduced methods of storing natural gas in gas transmission and distribution network. It also clarified the last paragraph of the long distance pipeline and the characteristics of the working gas tank. With a dynamic simulation method, the design can be adjusted and optimized. It solved the conflict between supply and demand for the user, and also could supply a secure, stable flow of gas. Dynamic analysis of the transmission and distribution network could help conduct real- time simulations. The structure, diameter, storage and eombinative manner of the pipeline network are adjusted in an effective way to achieve the optimal pipe network parameters. Dynamic simulations are based on fluid mechanics. Using the mathematical analysis method, the pipline nework system operating parameters are described. In a practical project, dynamic simulations can help calculate the peak capacity of the gas pipeline system. The result has met the demands of storage and peak-shaving.