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《Natural Gas Industry》 2004-12
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Liu Yan, Ma Yitai(Thermal Energy Research Institute of Tianjing University), Tian Guangsan and Zhou You(Air Conditioning Engineering Dep. of Shandong Architecture and Engineering Institute)  
The high-pressure pipeline system, the total length more than 1000 km., is planned to build along the sixth ring road in Beijing. It is very important to calculate and analyze the storage and peak-shaving capacity of the pipeline system accurately. According to the characteristics of high-pressure gas delivering along the ring road, the coupling model of gas storage and load is set up. With the analytical method, the calculating formula is made for the relation between gas storage and load of the high-pressure pipeline. Also, according to the recent wave law of gas load in Beijing, the storage capacity under different pressures and different pipe diameters, and the active storage volume under the conditions of constant pressure and flow at the gate station are analyzed for the planned high-pressure pipeline along the sixth ring road in Beijing. The results show if the design pressure is 4.0 MPa. and the pipe diameter is DN 800 for the pipeline, under the conditions to guarantee the working pressure at the end and the constant gas delivering at the gate station, 180×10 4 m 3 of gas volume can be used for the load peak-shaving, which is equivalent to 6 storage stations, each with 4 spherical tanks of 1×10 4 m 3 whose pressure can change from 1.0 MPa. to 0.4 MPa. So, it can save investment and land if the design program is taken.
【CateGory Index】: TU996
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