satНАУКА и ТЕХНИКАScience & Technique2227-10312414-0392Belarusian National Technical University10.21122/2227-1031-2023-23-1-34-41sat-2633Research ArticleСТРОИТЕЛЬСТВОCIVIL AND INDUSTRIAL ENGINEERINGТермодинамическая оценка свойств и энергозатрат смешения асфальтобетона по структуре эксергииThermodynamic Evaluation of Asphalt Concrete Properties and its Mixing Energy Consumption by Exergy StructureЧжанЦинZhangQing

Хэнань

Henan

РоманюкВ. Н.RomaniukV. N.

Доктор технических наук, профессор

Адрес для переписки: Романюк Владимир Никанорович – Белорусский национальный технический университет,просп. Независимости, 65/2, 220013, г. Минск, Республика Беларусь. Тел.: +375 17 293-92-16    pte@bntu.by

Address for correspondence: Romaniuk Vladimir N. – Belаrusian National Technical University, 65/2 Nezavisimosty Ave., 220013, Minsk, Republic of Belarus. Tel.: +375 17 293-92-16.    pte@bntu.by

pte@bntu.byХрусталевБ. М.KhroustalevB. M.

Минск

Minsk

ХоуЦянHouQiang

Хэнань

Henan

ХоуДэхуаHouDehua

Хэнань

Henan

Хэнаньская компания «Гаоюань» по технологическому обслуживанию автомагистралей; Хэнаньская ключевая лаборатория высококачественных технологий по диагностике и обслуживанию автомагистралейКитайHenan Gaoyuan Highway Maintenance Technology Co. Ltd.; Henan Key Laboratory of High Grade Highway Detection and Maintenance TechnologyChinaБелорусский национальный технический университетБеларусьBelаrusian National Technical UniversityBelarus2023090220232213441Copyright © Чжан Ц., Романюк В.Н., Хрусталев Б.М., Хоу Ц., Хоу Д., 20232023Чжан Ц., Романюк В.Н., Хрусталев Б.М., Хоу Ц., Хоу Д.Zhang Q., Romaniuk V.N., Khroustalev B.M., Hou Q., Hou D.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://sat.bntu.by/jour/article/view/2633

Актуальность энергосбережения в наши дни усиливается требованиями экологического характера, объединенными термином «зеленая энергетика», а сохранение климата неотделимо от проблемы  энергосбережения. Такие направления, как зеленая, водородная энергетика, о которых мощно и агрессивно велись дебаты в последнее десятилетие, оказались далекими от решения задач и энергосбережения, и защиты окружающей среды. В настоящее время и в обозримом будущем доминирующим остается использование традиционных первичных энергоресурсов, прежде всего природного газа. В этой связи чрезвычайно важна количественная оценка термодинамического совершенства теплотехнологического процесса получения асфальтобетонной смеси. Наиболее просто ее провести на базе эксергетического метода термодинамического анализа с определением структуры эксергии потока асфальтобетонной смеси, включающей термомеханическую, концентрационную и реакционную составляющие. Значение концентрационной составляющей эксергии асфальтобетонной смеси позволяет проводить оценку энергетической эффективности ее производства на асфальтобетонных заводах на базе современного эксергетического метода термодинамического анализа; дает количественную оценку затрат энергии на проведение процесса смешения ингредиентов асфальтобетонной смеси в смесительном агрегате. В статье определена структура эксергии асфальтобетонной смеси, в которой доминирует транзитная реакционная составляющая. Значение удельной массовой концентрационной составляющей эксергии асфальтобетонной смеси в сравнении с термической составляющей невелико, и погрешность в определении концентрационной составляющей, которая объективно не может быть устранена, не влияет на результаты термодинамического анализа.

The relevance of solving the problem of energy saving, today, is enhanced by the requirements of an environmental nature, united by the term “green energy”. Solving the problems of climate conservation is inseparable from solving the problem of energy saving.  Green, hydrogen energy, about which there has been a powerful and aggressive debate over the past decade, turned out to be directions far from solving the problems of both energy saving and environmental protection. The solution of both problems of energy saving and environmental protection at the present time and in the foreseeable future is being solved on the basis of the use of traditional primary energy resources, primarily natural gas. In this regard, the need to solve the problem of quantifying the thermodynamic perfection of heat-technological process for producing an asphalt concrete mixture becomes extremely relevant.  This assessment is most simply carried out on the basis of the exergy method of thermodynamic analysis with the determination of the exergy structure of  the asphalt concrete mixture flow, including thermomechanical, concentration and reaction components. The value of the concentration component of the exergy of the asphalt concrete mixture allows us to assess the energy efficiency of its production at asphalt concrete plants based on the modern exergy method of thermodynamic analysis; gives a quantitative estimate of the energy consumption for the process of mixing the ingredients of the asphalt concrete mixture in the mixing unit of asphalt concrete plants.  The paper defines the structure of the exergy of the asphalt concrete mixture, in which the transit reaction component dominates, which determines the specificity of the exergy of the asphalt concrete mixture.  The value of the specific mass concentration component of the exergy of the asphalt concrete mixture in comparison with the thermal component is small and the error in determining the concentration component, which cannot be objectively eliminated, does not affect the results of thermodynamic analysis.

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The authors declare that there are no conflicts of interest present.