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Simulation method and system for the management of a pipeline network

A simulation method and pipeline technology, applied in general control systems, simulators, control/regulation systems, etc., can solve problems such as increasing the number of equations

Pending Publication Date: 2021-05-11
LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this solution does not limit the number of equations, and worse, increases the number of equations

Method used

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  • Simulation method and system for the management of a pipeline network
  • Simulation method and system for the management of a pipeline network
  • Simulation method and system for the management of a pipeline network

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Embodiment Construction

[0098] figure 1 The pipeline network PN and the system 1 are shown.

[0099] The pipeline network is adapted to supply gas from at least one industrial plant to one or more customers. The industrial plant can also supply liquids to customers by truck. Such industrial plants are figure 1Not shown in , as the invention is specifically directed to models of pipeline networks, and thus to simulations to facilitate integration into more comprehensive optimizations that would involve gas and liquid supplies. For example, industrial plants are air separation units suitable for the extraction of dinitrogen, dioxygen and noble gases, especially argon.

[0100] The separation of argon from other air components to obtain an argon fluid as pure as possible has many industrial applications. Argon is an inert gas such as it is used as a gas environment for chemical reactions. Since argon also has the advantage of not reacting with the bulb's filament, it is also widely used in the manu...

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PUM

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Abstract

The present invention concerns a simulation method and a system for the management of a pipeline network (PN) comprising input and output nodes (S1, S2, C1). The simulation method comprises: defining operating states characterizing operating conditions of the pipeline network, determining, for each operating state STp, a three-dimensional dynamic matrix whose each coefficient corresponds to a pressure variation value from an initial pressure value at a j-th node at a k-th time step tk following a variation, at a i-th node, of a flow rate value, estimating, for a given node at a given moment, a pressure value on the basis of an operating schedule providing information regarding variations of the flow rate value for each node and evolution of the operating conditions of the pipeline network until said given moment, the estimation using the operating states and the three-dimensional dynamic matrices.

Description

technical field [0001] The field of the invention relates to the optimization of pipeline networks, for example, supplying gas to customers from an industrial plant such as an air separation unit that simultaneously supplies liquid to customers by truck. Background technique [0002] Since the mathematical models of pipeline networks are highly nonlinear systems, the optimization of pipeline networks poses important technical problems. In addition, the difficulty of solving such systems increases with the complexity of the pipeline network (the number of sources usually located in the air separation unit, the number of customers the gas is intended to be supplied, and the architecture of the network). Therefore, optimization of pipeline networks requires a large number of equations to obtain satisfactory and reliable results. [0003] Furthermore, not only pipeline networks exhibit nonlinear behavior, but also the optimization and management of pipeline networks includes bi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/18G06F30/20G06F111/02
CPCG06F30/18G06F30/20G06F2111/02G05B17/02G06F2113/14G06F2111/10
Inventor T·罗巴
Owner LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE