基于GIS的输油管道辅助设计系统的关键技术

GIS-based key technology for the aided design system of oil pipeline

基于地理信息系统(GIS)平台的长距离输油管道工程辅助设计系统,是集显示、管理、决策为一体的输油管道工艺辅助设计平台,其运用组件技术和数据库技术,开发适用于输油管道工艺设计的专业化模块,以实现输油管道工程设计过程中的方案管理、工艺设计、线路管理及系统维护功能。该系统利用分块处理与图形变换设计输油管道导直平面图的生成算法;利用摩阻计算模型和方程迭代算法确定管道沿线的泵站和阀门布置,并生成水力坡降图。实现输油管道技术专业流程在GIS基础平台上的模块设计与组件二次开发,可为油气储运生产提供辅助决策支持。

GIS-based aided design system for long-distance oil pipeline engineering is an aided design platform integrated the display,management and decision-making together.This system,working with component and database technology,develops the professional module suitable for the process design of pipeline and possesses the functions in program administration,process design,pipeline route management and system maintenance,etc.in the course of design of oil pipeline engineering.By means of sub-block disposal and graph transformation,the system can generate an arithmetic of lead straight plan for oil pipeline.For the same reason,the location of the pumping station and valve chamber along pipeline can be determined by means of drag friction calculation model and equation iteration arithmetic,including hydraulic gradient graph.Module design and secondary component development relying on the GIS-based platform for the professional ? owchart of oil pipeline can be realized so as to provide an aided decision-making support to the engineers engaged in the oil and gas storage and transportation.