Abstract
The analysis of the application of two energy-efficient technologies for air heating of ice arenas is considered, such as the use of heat pumps and a system for partial utilization of heat of condensation of heat engines. The actual energy costs during the operation of two systems are studied, such as the consumption of heat and electricity from heat and power supply organizations, as well as the costs of modernization. The weaknesses and positive aspects of the studied systems for air heating of ice arenas are revealed. Comparison of the calculated data obtained as a result of calculations with the actual data obtained in the research institution in which the study is carried out. An example of actual effective modernization of existing engineering systems is shown, as a result of which the energy efficiency of existing systems is increased. Additionally, we have performed the calculation of reducing thermal pollution with introduction of the investigated systems.
Highlights
Due to the constant increase in energy prices in the territory of the Russian Federation, the direction of energy conservation is actively developing, tasks are being set to reduce heating costs by introducing energyefficient solutions [1-11]
As a result, when comparing operating costs during operation of a heat pump and a system for utilizing the heat of condensation of heat engines, a cost-effective solution in this study case is a system for utilizing the heat of condensation of heat engines, the savings over 5 months will amount to 684064-162049≈522015 rubles or 104403 rubles/month
The introduction of a system for partial utilization of condensation heat of refrigeration machines for heating ice arenas due to fan heaters showed the following savings: 1. If you refuse the heat supplied by the State Unitary Enterprise TEK for heating the heat carrier for ice arena fan heaters in favor of using the condensation heat recovery system of refrigeration machines, taking into
Summary
Due to the constant increase in energy prices in the territory of the Russian Federation, the direction of energy conservation is actively developing, tasks are being set to reduce heating costs by introducing energyefficient solutions [1-11]. One of the most popular ways to use environmental energy (soil, water, air) is to use a heat pump (VT). In some cases, it is economically profitable for enterprises to upgrade existing technological equipment to increase the energy efficiency of engineering systems, which in most cases is selected with a margin [13, 14]. One of these methods of energy saving is the utilization of heat generated during various technological processes, and the use of this heat energy for the needs of the consumer [15-18]. Heat recovery and the use of renewable energy sources in microclimate systems are widely used in the air system heating [19-21]
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