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<p>The paper is devoted to the development and commercial application of the method of pressure control in a&#xa0;continuous heating furnace that takes into account the compensating influence of metal discharge dampers. Based on the actual technological data, we deduce a&#xa0;differential equation (in the form of an aperiodic link of the first order), which describes the influence of metal discharge dampers on the pressure drop inside the furnace. On the basis of this equation, we develop a&#xa0;method for the predictive control, which enables us to compensate the influence of discharge dampers. The method was checked in a&#xa0;metal-heating furnace No.&#xa0;2 of the Rolling Shop No.1 at the A. A. Ugarov OEMK JSC and by analyzing the results of experiments aimed at comparing different methods of compensation of pressure drops. The developed method makes it possible to reduce the pressure drop (by 5%), significantly decrease the time of compensation of perturbations caused by the action of dampers (by more than 200%), and improve the stability of operation of temperature zones in the region of discharge.</p>

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Pressure control in the space of a heating furnace taking into account the operation of metal discharge dampers

  • 期刊论文

  • 发表日期：

    2026年3月1日

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  • Andrey V. Fomin,
  • Oksana S. Aleinik

摘要

The paper is devoted to the development and commercial application of the method of pressure control in a continuous heating furnace that takes into account the compensating influence of metal discharge dampers. Based on the actual technological data, we deduce a differential equation (in the form of an aperiodic link of the first order), which describes the influence of metal discharge dampers on the pressure drop inside the furnace. On the basis of this equation, we develop a method for the predictive control, which enables us to compensate the influence of discharge dampers. The method was checked in a metal-heating furnace No. 2 of the Rolling Shop No.1 at the A. A. Ugarov OEMK JSC and by analyzing the results of experiments aimed at comparing different methods of compensation of pressure drops. The developed method makes it possible to reduce the pressure drop (by 5%), significantly decrease the time of compensation of perturbations caused by the action of dampers (by more than 200%), and improve the stability of operation of temperature zones in the region of discharge.