Ways to Increase the Energy Efficiency of High-Temperature Units Based on the Development of Ration-al Thermal Heating Modes

This article considers the improvement of thermal modes of heating of a high-temperature unit, which will allow to increase the efficiency of the technological process and contribute to reducing costs. The topic of studying the modes of heating of high-temperature units is relevant in the context of increasing the efficiency of the production of metal products and reducing production costs. The heat balance of heating the vault of a high-temperature unit was calculated. Based on the results obtained and the presence of excess heat in the profit part, the duration and fuel consumption for a new schedule were selected by calculation. Based on the research conducted, new rational schedules of heating the vault of a high-temperature unit were developed depending on the duration of the schedule and the amount of work performed, which allowed to reduce fuel consumption for heating by 10.7 %–12 %, as well as increase the productivity of the unit due to the sooner entry into operating mode. The results obtained can be used in industry to increase the energy efficiency of the process of manufacturing metal products and reduce the cost of products.