Application of Geothermal Ventilation for Heat Supply of Poultry Premises
Journal Title: Вентиляція, освітлення та теплогазопостачання - Year 2019, Vol 30, Issue
Abstract
The facilities of the agricultural complex are the most energy-intensive and require additional energy-saving measures through the introduction of energy-efficient heat supply systems. Considering the necessary microclimate in the premises of agricultural complexes, in particular poultry houses, there are significant energy costs. Therefore, there is a need for additional measures to be taken to improve the energy efficiency of heat supply systems in a poultry house. Based on the analysis of existing heat supply systems in the poultry area, modular poultry production is proposed and substantiated as an alternative to traditional poultry farming in cages. With this method of cultivation, it is possible to keep different age groups of birds and to carry out the appropriate temperature regime as they grow. The integrated use of infrared heating in combination with geothermal ventilation will significantly reduce the energy consumption of the facility and improve the environmental performance of the system as a whole. The work of the geothermal ventilation system is to use the energy of the soil to partially heat the supply air entering the poultry house. As the soil temperature does not change much during the year and the ambient temperature changes, the recovery occurs due to the temperature difference. In summer, the outside air temperature is high. When the air passes through the underground ducts, it gives off some of its heat to the soil. Therefore, the inlet air cools before coming to the air handling unit. It is also advisable to apply additional heat recovery measures using the heat potential of the exhaust air from the house. The work presents the developed system of heat supply for the poultry house with the integrated ground heat exchanger for heating of the supply air and an infrared heater for local heating of the stay of the bird. The effectiveness of such systems is shown. The results of studies of rational dimensions for the poultry breeding module have been obtained. The size of the infrared heater is 0.54×0.1 m. The modules are located in two tiers, with technological areas in the poultry house.
Authors and Affiliations
N. Spodyniuk, L. Horbachenko
Keywords
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