集中供热系统“管-站”布局及管网优化设计方法研究

对大型集中供热系统而言,设计过程包括"管-站"布局设计和管网系统设计。根据最优化理论,提出了集中供热系统的两级优化设计模型,即第一级的"管站"布局优化和第二级的管网系统多目标优化设计模型。由于"管-站"布局优化模型属NP-hard问题(不确定问题),为寻求有效解法,对"管站"布局优化模型提出两步分级法求解,即优化过程分两步进行,第一步为分区优化,第二步为选址优化。运用本文所述方法对辽河油田振兴区集中供热改造工程,进行了优化设计,取得了较好效果。

The Study on the Desing Method of "Duct-Station" Layout and Pipe Networt Optimization for Central Heating System

In terms of large central heating system,the process includes the design of the "duct-station" layout and pipe network system.According to optimization theory,a suitable two-stage optimization layout method is raised which is made up of the "duct-station" optimization layout model (the first stage)and the multi-objective optimization model(the second stage).Optimization model of the "duct-station" layout belongs to NP-hard problem(Uncertainty problem).In order to find out an effective solution,we propose two-step classification method of "duct-station" layout optimization model,which is two-step optimization process.The first step is the partition optimization and the second step is location optimization.Using this method,a central heating system is transformed in ZhenXing district Liaohe oilfield,and also optimization design is accomplished,which achieves good results.