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Створення високоефективного радіаційно-конвективного рекуператора для печі вторинної плавки алюмінію ; Development of highly efficient radiation-convective recuperator for furnace of secondary aluminum melting

Створення високоефективного радіаційно-конвективного рекуператора для печі вторинної плавки алюмінію ; Development of highly efficient radiation-convective recuperator for furnace of secondary aluminum melting

Abstract

Запропонована високоефективна конструкція радіаційно-конвективного рекуператора із вторинними випромінювачами, в якому за рахунок раціонального розташування поверхонь нагріву, а також за рахунок встановлення вторинних випромінювачів в димових каналах, забезпечується збільшення теплосприйняття, яке передається вторинному теплоносію – повітрю. На основі проведених теоретичних досліджень, інженерних розрахунків та CFD – моделювання визначено характеристики роботи рекуператора для його встановлення на печі вторинної плавки алюмінію. Основними перевагами запропонованої конструкції є висока теплогідравлічна ефективність, компактність і низька металоємність, зручність розміщення на печі і відсутність необхідності в розміщенні в окремих димоходах. ; The high efficient design of the radiation-convective recuperator with secondary emitters have been proposed, in which due to the rational arrangement of heating surfaces, as well as due to the installation of secondary emitters in flues, an increase in heat perception is transmitted to the secondary heat carrier – preheating air. High efficiency of air preheating is provided by two-stage heating: 1st stage of heating – the internal air ring channel with bilateral heating which is washed by combustion products from the parties of the central cylindrical and peripheral ring channels of combustion products; 2nd stage of heating – the external air ring channel in which unilateral heating by products of combustion from the peripheral ring channel of products of combustion is organized. Inner and outer annular air ducts (tanks), interconnected by bypass pipes. To increase the efficiency of heat transfer in the considered recuperator in the central channel of combustion products is placed emitter, which consisting of intersecting radial plates, and in the annular channel of combustion products are placed auxiliary emitters, which made in the form of flat radial edges. These emitters provide an increasing in total heat flux to the walls of the channels of the recuperator. On the ...

Country
Ukraine
Keywords

вторинна плавка алюмінію, air preheating, heat recovery, радіаційноконвективний рекуператор, industrial furnaces, вторинні випромінювачі, утилізація теплоти, промислові печі

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Related to Research communities
Energy Research