METHOD AND SYSTEM FOR OPTIMIZING THE DESIGN OF GAS DISTRIBUTION IN A NETWORK BASED ON CONSUMER MODERNIZATION

Claims

1. A method for optimizing the design of gas distribution in a network based on modernization for the consumer, characterized in that it includes the following steps: collection of information about the parameters of each network element and calculation of the hydraulic resistance of each network element; taking the supply side and the consumer side as the starting and ending points respectively and calculating the equivalent hydraulic resistance of the entire network based on the series and parallel connection diagram and the hydraulic resistance of each element of the network; installation of nodes throughout the network and calculation of the pressure drop to length ratio for the network section between two adjacent nodes; survey, analysis and modernization of those sections of the network where the ratio value goes beyond the threshold range.

2. The method according to paragraph 1, characterized in that said information on the parameters includes information on the dimensions, information on the materials, and information on the surface treatment of the network element; said network element includes fittings and pipelines, and said fittings include bends, adapters, tees, and valves.

3. The method according to paragraph 2, characterized in that said installation of nodes in the entire network, in particular, includes: installation of nodes on a pipeline in such a way that there is at least one fitting between two adjacent nodes.

4. The method according to paragraph 1, characterized in that the said survey, analysis and modernization of network sections where the value of the ratio goes beyond the threshold range, in particular, includes: increasing the pipeline diameter, reducing the number of branches and / or adding connecting pipes.

5. The method according to paragraph 1, characterized in that said calculation of the hydraulic resistance of each network element, in particular, includes: where Rw is the hydraulic resistance of the branch, - a given empirical value for the tap, - hydraulic resistance of the pipeline, ρ - liquid density, D - internal diameter of the pipeline, L - length of the pipe section, λ - pressure loss along the length.

6. The method according to paragraph 5, characterized in that the said calculation of the hydraulic resistance of each network element, in particular, includes: where Rj is the hydraulic resistance of the adapter, Rs is the hydraulic resistance of the tee, Rf is the hydraulic resistance of the valve, - intermediate variable; , intermediate value, where L0 is the length of the adapter, D1 is the output diameter, D0 is the input diameter.

7. The method according to paragraph 5, characterized in that said calculation of the hydraulic resistance of each network element, in particular, includes: where Rs is the hydraulic resistance of the tee, - a given empirical value for the tee.

8. The method according to paragraph 5, characterized in that said calculation of the hydraulic resistance of each network element, in particular, includes: Where - hydraulic resistance of the valve, - the specified empirical value for the valve.

9. The method according to paragraph 1, characterized in that the said calculation of the equivalent hydraulic resistance of the entire network based on the diagram of series and parallel connection and the hydraulic resistance of each element of the network, in particular, includes: the equivalent hydraulic resistance of a network element is the product of the hydraulic resistance of this network element and the square of the mass flow rate in this network element; summation of the equivalent hydraulic resistances of all the network elements connected in series to obtain the equivalent hydraulic resistance for a series connection; the value reciprocal of the equivalent hydraulic resistance for a parallel connection is equal to the sum of the values ​​reciprocal of the equivalent hydraulic resistances of each of the network elements connected in parallel, with the addition of an additional term; wherein the said additional member is: product of the resistance values ​​of the parallel-connected network elements, then extracting the square root, then finding the reciprocal value, and finally multiplying by 2.

10. A system for optimizing the design of gas distribution in a network based on modernization for the consumer, characterized in that said system is intended to implement the method according to any of paragraphs 1-9 and includes: a hydraulic resistance calculation module configured to collect information about the parameters of each network element and calculate the hydraulic resistance of each network element; an equivalent pressure drop calculation module configured to take the supply side and the consumer side as the starting and ending points, respectively, and to calculate the equivalent hydraulic resistance of the entire network based on the series and parallel connection diagram and the hydraulic resistance of each element of the network; a ratio calculation module configured to install nodes in the entire network and calculate a pressure drop to length ratio value for a section of the network between two adjacent nodes; an upgrade module configured to survey, analyze, and upgrade those network sections where the ratio value falls outside the threshold range.