THE CONCEPT OF IMPLEMENTING THE FUNCTION OF REDUCING THE MATERIAL BALANCE UNCONVERGENCE OF HYDROCARBON MEDIA IN THE PRODUCTION OF LIQUEFIED NATURAL GAS

IF 0.3 Q4 ENGINEERING, CHEMICAL

Chemical and Petroleum Engineering Pub Date : 2023-08-17 DOI:10.17122/ngdelo-2023-3-113-122

E.A. Bannikov

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Abstract

This article discusses the problems identified by the author in the implementation of the function of reducing the material balance unconvergence of hydrocarbon media in the medium-tonnage production of liquefied natural gas, and also outlines ways to solve them. The definition of the concept of material balance is given. A review of existing automated systems for balancing the material balance of hydrocarbon media in the production of liquefied natural gas is given. Structural problems that arise during the implementation of the function of balancing the balance are determined. Such influencing errors are described as: error due to the influence of heterogeneity and instability of liquefied natural gas; error due to the unreliability of the determination of residues in technological pipelines and apparatuses; error due to inaccuracy in determining the flow rate of gaseous media at metering units that are part of the licensed technology and gas carrier ships. A new concept of the function of balance reduction is described. The requirements for the error of measurement units for hydrocarbon media are given, taking into account the status of the metering unit and the measurement method used. Shown is a material flow diagram of the liquefied natural gas production process. A recommendation is given on how to improve the accuracy of the implementation of the function of reducing the material balance of hydrocarbon media in the production of liquefied natural gas. The place of the automated MES-system of material balance in the structure of production accounting is shown.

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实现液化天然气生产中烃类介质物料平衡不收敛功能的概念

本文论述了在中吨位液化天然气生产中实施减少烃类介质物料平衡不衔接功能时发现的问题，并提出了解决问题的方法。给出了物料平衡概念的定义。综述了液化天然气生产中现有的烃类介质物料平衡自动化系统。确定了平衡职能实施过程中出现的结构性问题。这种影响误差描述为:由于液化天然气的非均质性和不稳定性的影响而产生的误差;技术管道和设备中残留测定不可靠造成的误差;由于在作为许可技术和气体运输船的一部分的计量装置上确定气体介质流速不准确而导致的错误。提出了平衡缩减函数的新概念。考虑到计量装置的现状和所采用的计量方法，给出了对烃类介质计量装置的误差要求。所示为液化天然气生产过程的物料流程图。就如何提高液化天然气生产中烃类介质减少物质平衡功能的执行精度提出了建议。指出了物料衡算自动化mes系统在生产会计结构中的地位。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chemical and Petroleum Engineering ENGINEERING, CHEMICAL-

CiteScore

0.60

自引率

33.30%

发文量

129

期刊介绍： Chemical and Petroleum Engineering publishes the latest research on Russian innovations in the field. Articles discuss developments in machinery and equipment, construction and design, processes, materials and corrosion control, and equipment-manufacturing technology. Chemical and Petroleum Engineering is a translation of the Russian journal Khimicheskoe i Neftegazovoe Mashinostroenie. The Russian Volume Year is published in English from April. All articles are peer-reviewed.