Pipe network optimization method based on water supply pipe network planning and design requirements
A technology for planning and design, water supply network, applied in computing, instrumentation, data processing applications, etc., can solve problems such as water volume and pressure that cannot be met during firefighting, water volume and pressure during accidents, and reduce human experience differences and enhance scientificity. and economical, the effect of improving work efficiency
Inactive Publication Date: 2016-06-22
SHANGHAI WATER ENG DESIGN & RES INST
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[0003] The existing optimization model of the water supply network of the water supply system is only for the purpose of economy, and the calculation results only meet the requirements of the highest daily maximum water volume and pressure, but cannot meet the requirements of the water volume and pressure during firefighting and the water volume and pressure during accidents
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[0030] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0031] see figure 1 , a pipe network optimization method based on water supply pipe network planning and design requirements of the present invention, comprising the following steps:
[0032] Step 1, collect the basic parameters of the pipeline network and determine the optimal calculation parameters. Among them, the basic parameters of the pipeline network include pipeline topology, pipeline length, pipeline friction coefficient, number of nodes in the pipeline network, and number of pipe sections; the optimal calculation parameters are selected according to different optimization algorithms Different optimization algorithm parameters, for example, if genetic algorithm is selected, the optimization parameters required include population size, m...
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The invention discloses a pipe network optimization method based on water supply pipe network planning and design requirements. The method includes the steps of: 1. collecting basic parameters of a pipe network and determining optimized calculation parameters; 2. generating a pipeline diameter combination through an optimization algorithm; 3. performing hydraulic calculation for the working condition of the highest day and the highest moment, the working condition during an accident and the working condition during fire protection; 4. judging whether water pressure of each node satisfies constraint conditions; 5. Calculating the total cost W of the pipe network; 6. judging whether an exit criterion of the optimization algorithm selected according to the Step 1 is satisfied; and 7. ranking all the obtained total cost of the pipe network, and the pipeline diameter combination with the minimum total cost is an optimal result. The pipe network optimization method provided by the invention calculates the pipeline diameter combination that is close to reality and satisfies planning requirements in association with requirements for water quantity and water pressure of water utilization of the highest day at the highest moment, requirements for water quantity and water pressure during fire protection and requirements for water quantity and water pressure during an accident.
Description
technical field [0001] The invention relates to the technical field of water supply pipe network planning, design and optimization, in particular to a pipe network optimization method based on the requirements of water supply pipe network planning and design. Background technique [0002] With the improvement of industrial production capacity, the continuous increase of urban population, and the continuous improvement of people's living standards, the requirements for urban water supply systems are also getting higher and higher. The scale of water supply systems is constantly expanding, and the complexity is also increasing. Hundreds of urban water supply systems in my country consume a lot of electric energy. The traditional empirical planning and design method is not reasonable in pipe diameter selection and waste of resources. It can no longer meet the needs of modern social development. If the optimal design is adopted, it will not only save a lot of resources, but also...
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IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06
Inventor 袁文麒陈洪兵闫卿江伟黄敏郑珺朱华钫
Owner SHANGHAI WATER ENG DESIGN & RES INST
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