A design method for water delivery system
A design method and technology of water delivery system, applied in the direction of calculation, special data processing application, instrument, etc., to achieve the effect of regularization process
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Embodiment 1
[0018] This embodiment is a design method of a water delivery system, the design flow chart is shown in figure 1 shown. The method described in this embodiment has two basic elements: the selection of regulation and storage nodes and the determination of engineering parameters.
[0019] At the end of the water diversion project, there are inconsistencies and out-of-synchronism in the time and flow of incoming water and water demand in the water distribution section. Project accidents occur when there is a surplus of water in the pipe network or channels at the distribution interface section; on the contrary, too little water in the water transfer section and more water in the water distribution section will lead to a decrease in the water supply guarantee rate of the project and cannot meet the expected requirements. Based on this, in the transition process between the water transfer section and the water distribution section, setting up reasonable regulation and storage node...
Embodiment 2
[0035] This embodiment is an improvement of the first embodiment, and it is a refinement of the first embodiment on the analysis of the spatial relationship between the terrain elevation and the regulation and storage nodes. The analysis of the spatial relationship between the altitude and the regulation and storage nodes described in this embodiment is based on the GIS platform and DEM.
[0036] (1) Elevation analysis of regulation and storage nodes
[0037] The water level at the outlet of Huangchigou in the water receiving area of the water diversion project from Han to Wei is 510m. Therefore, considering the operation cost in the process of water transfer, the altitude of each storage node should not be too high. With the help of the GIS platform, the DEM data is used for analysis, and the average altitude of the potential storage nodes is automatically screened to exclude the storage nodes whose average altitude is too high.
[0038] (2) Analysis of node spatial relati...
Embodiment 3
[0042] This embodiment is an improvement of the first embodiment, and it is a refinement of the embodiment regarding the address selection of the regulation and storage nodes. The regulation and storage node in the step of selecting the location of the regulation and storage node described in this embodiment adopts one of centralized regulation and storage nodes or decentralized regulation and storage nodes.
[0043] (1) Arrangement of centralized regulation and storage nodes:
[0044] This scheme is more suitable for establishing large-scale reservoirs, establishing storage nodes, and then transporting them to water distribution nodes in various water receiving areas through pumping stations. The project of this scheme is relatively simple, the technical difficulty is not great, and the operation scheduling is simple and easy. However, it is more difficult to use in densely populated developed areas and requires more immigrants. Affected by the terrain, it is usually diffic...
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