«Automation and Informatization of the fuel and energy complex»

Experience of developing a digital twin module for small-scale production of liquified natural gas (LNG) in "SIMBA" import-independent software

UDC: 004.942
DOI: -

Authors:

¹ National University of Oil and Gas "Gubkin University", Moscow, Russia
² CRYOGAZ-PSKOV, Pskov, Russia

Keywords: liquefied natural gas (LNG), small-scale LNG production, digital twin, import-independent software and computer complex, simulation modeling, static simulation model, dynamic simulation model, parameter identification

Annotation:

The article considers the experience of developing digital twin modules for small-scale liquefied natural gas (LNG) plant for the purpose of conducting further research to determine the approaches to bringing the plant to the design operation mode and training the operating personnel. The main approaches to the organization of mode data collection of the technological process; development of static and dynamic simulation models of the technological process; verification of the physical-content model of the digital twin by mode data are given. Static simulation model is intended for audit of technological process, estimation of possible economic effect from modernization and formation of action plan for decision making on expediency of works. The procedure of identification of static model parameters and verification of mode data is considered. The dynamic simulation model is intended for the development and operation of a computer simulator on "SIMBA" domestic software and computer complex to study the process of natural gas liquefaction and to obtain practical skills for effective and accident-free management of LNG production technological process.

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