Abstract
The aim of this work is to reduce the cost of the heat pump heating system by using a solar collector in the primary circuit of the heat pump. It is known that the price of material and installation of the primary circuit collector is 30% of the total cost of the heat pump heating system. The use of a solar collector in the primary circuit of a heat pump eliminates the need for drilling or underground installation of a low-potential thermal energy collector. The rejection of the classic types of collectors: horizontal collectors and vertical probes, also has a positive environmental effect on the soil. The combined use of a solar collector and a heat pump will add variability in the layout of the heat pump heating system. The article presents the results of a theoretical study of the feasibility of operating solar collectors at the latitudes of the Republic of Tatarstan. A comparative analysis of various types of heat pump and solar collector is given, based on which the main components of the combined system were selected. The work includes calculations of the required power and surface area of the absorption of the solar collector. The results of a comparative analysis of the performance of the solar collector are presented, depending on the angle of incidence of sunlight and the average level of insolation. As a result of the work, it was determined that the use of a solar collector in the primary circuit of a heat pump will be twice cheaper compared to horizontal collectors and 4 times compared to vertical probes.
Highlights
Проблемы энергетики, 2020, том 22, No1 based on which the main components of the combined system were selected
The aim of this work is to reduce the cost of the heat pump heating system by using a solar collector
It is known that the price of material and installation
Summary
S 7, 43жм Исходя из формулы расчета поглощающей поверхности и производительности солнечного коллектора, можно построить графики их зависимости от среднего уровня инсоляции и угла падения солнечных лучей на поверхность солнечного коллектора. Зависимость производительности солнечного коллектора от угла падения солнечных лучей при постоянной площади поглощающей поверхности и неизменной среднедневной инсоляции 7. Карта инсоляции регионов России Исходя из показаний графика зависимости производительности солнечного коллектора от угла падения солнечных лучей, можно прийти к очевидному выводу, что производительность будет наилучшим, если коллектор установлен перпендикулярно к солнечным лучам. Итоговая стоимость материала для вертикального зонда и его монтажа составит 701 400 рублей. Необходимых для монтажа компонентов и услуг по монтажу составит 142 500 рублей (табл)
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