Авторы

Энергетический и экономический анализ системы хладоснабжения на базе абсорбционной бромистолитиевой гелиохолодильной машины с коллектором двойного действия

DOI: 10.17586/1606-4313-2022-21-4-3-14
УДК 536.33

Энергетический и экономический анализ системы хладоснабжения на базе абсорбционной бромистолитиевой гелиохолодильной машины с коллектором двойного действия

Камара С. ., Сулин А.Б., Малинина О. С.

Ссылка для цитирования: Камара С., Сулин А.Б., Малинина О.С. Энергетический и экономический анализ системы хладоснабжения на базе абсорбционной бромистолитиевой гелиохолодильной машины с коллектором двойного действия // Вестник Международной академии холода. 2022. № 4. С. DOI: 10.17586/1606-4313-2022-21-4-3-14

Аннотация
Системы хладоснабжения на солнечной энергии являются признанными альтернативными энергосберегающими и экологичными установками. В данной работе рассмотрена система хладоснабжения на базе одноступенчатой абсорбционной бромистолитиевой гелиохолодильной машины, использующая коллектор двойного действия (КДД) в качестве солнечного теплового привода в дневное время и пассивного радиационного охлаждения теплоносителя в ночное время. Эффективность системы исследована с термодинамической, энергетической, эксергетической и экономической позиций для климатических условий города Бамако (Республика Мали). Установлено, что оптимальные рабочие параметры достигаются при высшей температуре кипения раствора в генераторе, температурах конденсации и кипения, соответственно 90, 38 и 5 °C. Годовая холодопроизводительность системы составляет 51,11 МВт·ч при годовом потреблении солнечной энергии 115,6 МВт·ч. При этом тепловой коэффициент системы (SCOP) и эксергетическая эффективность составляют соответственно 0,45 и 0,035. Экономический анализ показал, что капитальные затраты на установку составляют 28100 €, стоимость холода составляет 0,08 €/кВт·ч, а срок окупаемости составляет порядка 7,7 лет.

Ключевые слова: солнечное охлаждение, система хладоснабжения, абсорбционная бромистолитиевая холодильная машина, комбинированный солнечный коллектор, тепловой коэффициент, эксергетическая эффективность.

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