THERMOCHEMICAL HEAT RECOVERY IN A GAS TURBINE PLANT

Energy Systems Pub Date : 2023-06-30 DOI:10.34031/es.2023.1.006

Mikhail Polyakov, Stanislav Popov

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Abstract

Natural gas every year wins an increasing share in the global fuel balance. Countries where cheap natural gas is available are seeking to increase the efficiency of its use in order to increase the volume of its use. One of the most promising methods for increasing the efficiency of natural gas is the heat recovery of gas waste. The subject of the study is a gas turbine plant due to the fact that the number of power plants with gas turbines tends to increase. In this paper, options for increasing the efficiency of using natural gas in gas turbines at a constant flow rate are investigated. Variants of implementation of thermochemical heat recovery of gas wastes based on steam reforming of methane and thermal heat recovery of gas wastes based on steam generation are considered. The results of a study based on a mathematical model of a gas turbine plant using thermal and thermochemical waste gas heat recovery are presented. A constructive calculation of the methane steam reforming reactor has been carried out. The design and regime parameters of the heat exchanger are determined. A 3D-model of the conversion reactor has been developed, which provides high gas density and the possibility of thermal elongation of heat exchange tubes

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燃气轮机装置的热化学热回收

天然气在全球燃料平衡中的份额每年都在增加。拥有廉价天然气的国家正在寻求提高天然气的使用效率，以增加天然气的使用量。提高天然气利用效率最有前途的方法之一是废气热回收。本研究的主题是燃气轮机电厂，因为燃气轮机电厂的数量有增加的趋势。本文研究了在恒流量条件下提高燃气轮机使用天然气效率的方法。考虑了基于甲烷蒸汽重整的废气热化学热回收和基于蒸汽产生的废气热回收的各种实现方法。本文介绍了基于热力和热化学废气热回收的燃气轮机装置数学模型的研究结果。对甲烷蒸汽重整反应器进行了构造计算。确定了换热器的设计参数和工况参数。建立了转换反应器的三维模型，该模型提供了高气体密度和热交换管热伸长的可能性

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Energy Systems

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