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К вопросу развития жилищного строительства с минимальным потреблением энергоресурсов

К вопросу развития жилищного строительства с минимальным потреблением энергоресурсов

Abstract

The paper presents an analysis of several variants of energy-efficient solutions for hot water supply systems in Minsk buildings that ensure significant reduction of energy for hot water supply in comparison with the existing level. The different systems have been considered as technical facilities for usage of solar energy and secondary heat sources and which are based on heat recovery of “grey” waste water, solar collector, photoelectric transducer, heat pump. Comparative analysis of the considered variants shows economic efficiency of waste water heat utilizers. An advantage of such system is in its all-year round usage in comparison with a solar collector. The second variant that is a combination of waste water heat utilizer and a solar collector that increases energy saving but it requires the increase of capital expenses. The third variant completely covers expenses of heat energy which is necessary for hot water supply. It is necessary to attract attention to the fact that expenses in the first two variants are close to the required ones but values of the third variant may significantly exceed the reliable level. The paper contains analytical material of Belarusian and Vietnamese researchers who were actively involved in implementation of the joint Belarusian-Vietnamese project “Usage of Renewable Power Sources in Physical-Mathematical Model of Heat Regime of Energy-Efficient House” (Project code: VAST. HTQT. Belarus. 03/2012-2013).

В статье выполнен анализ энергоэффективных решений систем горячего водоснабжения (ГВС) для зданий г. Минска, обеспечивающих значительное снижение энергии по сравнению с существующим уровнем. В качестве технических средств, позволяющих использовать солнечную энергию и вторичные источники теплоты, рассматриваются системы с утилизацией теплоты «серых» сточных вод, солнечные коллекторы, фотоэлектрические преобразователи, тепловые насосы. Анализ показывает, что экономически эффективно применение утилизаторов теплоты сточных вод, преимущество которых по сравнению с системой солнечных коллекторов - в круглогодичном использовании. Второй вариант - комбинация утилизатора теплоты сточных вод и солнечного коллектора - увеличивает экономию энергии, однако растут и капитальные затраты. Третий вариант обеспечивает полное покрытие затрат теплоты на ГВС. Следует обратить внимание на то, что затраты в первых двух вариантах близки к необходимым, в то время как показатели в третьем варианте могут существенно превышать нормативные данные. Приведен аналитический материал белорусских и вьетнамских исследователей, которые принимали активное участие в реализации совместного белорусско-вьетнамского проекта «Использование возобновляемых источников энергии в физико-математической модели теплового режима энергоэффективного жилого здания» (код проекта VAST. HTQT. Belarus. 03/2012-2013).

Keywords

ЭНЕРГОЭФФЕКТИВНЫЕ ЗДАНИЯ,ИСТОЧНИКИ ЭНЕРГИИ,СОПРОТИВЛЕНИЕ ТЕПЛОПЕРЕДАЧЕ ОГРАЖДАЮЩИХ КОНСТРУКЦИЙ,ИНЖЕНЕРНО-ТЕХНИЧЕСКОЕ ОБОРУДОВАНИЕ

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selected citations
These citations are derived from selected sources.
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
gold