The Bearing Capacity Analysis Of Natural Gas Pipe Network In Lang Fang City Based On The Coal To Gas Project

Winter in eastern China in recent years,often appear haze weather,the level of Beijing-Tianjin-Hebei regional air quality is seriously polluted.This accelerated the pace of urban energy structure adjustment.is given priority to with oil and coal energy structure,environmental problems become increasingly serious.Use of natural gas development,reduce dependence on electric power,petroleum,coal,clean energy diversification,is helpful for the improvement of the environment and economic sustainable development.At present,Lang Fang implementation of more than 100 "coal to gas" project,and is a powerful comprehensive progress.Lang Fang also speed up the construction of natural gas pipe network facilities.The bearing capacity of the natural gas pipe network analysis and optimization scheduling problem is becoming more and more important.To solve these problems will have a great significance for the safe operation and the reducing operating costs.The computer simulation technology can solve these problems effectively.Standard first analyzed the present situation of natural gas sources,Lang Fang city planning gas source and the present situation and the existing problems of networks.Then the Lang Fang special gas utilization plan and actual development,user’s demand forecast analysis of various kinds of natural gas,especially after the implementation of "coal to gas" new supplies.Then the use of simulation software TGNET method were introduced in detail,for the analysis of "coal to gas" project in Lang Fang city after the bearing capacity of the natural gas pipe network provides a convenient tool.Present situation of natural gas pipe network in Lang Fang city selected as simulation object,the selected simulation gas,set the initial conditions and boundary conditions reasonablely,using software TGNET for natural gas pipe network in Lang Fang city in 2014,the operation condition of the steady state.Contrast before and after the new "coal to gas" load simulation of hydraulic calculation results,show that the new "coal to gas load,the total demand for gas in Lang Fang city has more than the bearing capacity of the existing network,to further strengthen the planning and construction of high pressure and high pressure pipe network,improve the reliability of supply.After new "coal to gas" load,contributed to the inhomogeneity of city gas supply.Therefore,the network load scheme has been put forward and the future of natural gas storage volume.