Abstract
The development of modern metallurgical production is accompanied by the perfection of technological processes, the reconstruction of methodological furnaces using the latest methods and controls, which allows more efficient use of energy. The introduction of automated systems in the iron and steel industry, in particular in sheetrollingproduction, has a significant impact on increasing productivity, lowering specific energy consumption, improving product quality. The ultimate goal of the development is the creation of an integrated system for controlling the mode of metal heating in the methodical furnace, whichensures the normal operation of the sheet rolling shop with a minimum cost of production. The main criterion for controlling heating furnaces is to minimize the specific costs of heating, with restrictions on the quality indicators of the process, which are the surface temperature of the metal and the temperature difference over the cross section of the work piece.This is achieved by minimizing fuel consumption and metal loss in scale.The main parameters of the system that affect the course of the technological process are: temperature in the furnace, energy consumption, pressure under the roof of the furnace, thermophysicalproperties of metal and furnace gases (heat capacity, thermal conductivity, density, geometric dimensions of ingots, calorific value of fuel, etc.), as well uninterrupted heating processes in the furnace, which significantly improves the technical and economic indicators.Variable parameters are the heat flux density in the zones, fuel and air consumption per zone, and the pressure in the furnace.The work considers the main approaches to the creation of an automated system for controlling the thermal work of a methodical furnace. The analysis of mathematical methods for describing the thermo-physical processes of metal heating in a methodical furnace is carried out,an algorithm for calculating the main technological parameters with a computer software implementation is developed.
Highlights
Розвиток сучасного металургійного виробництва супроводжується вдосконаленням технологічних процесів, реконструкцією методичних печей з використанням новітніх методів і засобів управління, що дозволяє більш ефективно використовувати енергоносії
Щільність променистих потоків від обмурівки печі і металу приймається рівномірною по всій довжині печі;
Для побудови і навчання моделі була обрана добре відома і досить повна база рукописних цифр MNIST
Summary
Вип. 22 problems and optimizing export and import processes are proposed. The basic problems of creating and importing three-dimensional models into Unity software were studied and described.
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