Automated system for regulating the thermal parameters of cord heat treatment furnaces with optimization of the gas-to-air ratio at a certain value


  • V. Ignatkin
  • M. Gorbiychuk
  • V. Dudnikov
  • O. Yushkevich
  • V. Bolonny
  • V. Tikhonov



thermal parameters, algorithm, control system, piecewise linear approximation, gas-air ratio


The system of automation which allows to control autonomous use of gas with preserva-tion of quality of technological process is resulted. The given algorithm, corresponding programs, technical means of automation system carry out regulation of air expenses at any values of quantity of fuel (gas). The gas-to-air ratio is determined experimentally from the analysis of exhaust gases for a specific type of furnace. The control algorithm is implemented using a microprocessor controller, and includes: PID control - law (proportional-integral-differential), linearization, which processes the input values of gas and air and reduces measurement errors of flow sensors and especially in the initial part of the sensor range; piecewise linear approximation, which allows: to implement the specified dependence of the ratios, flexibility and the ability to adjust and change the parameters of the control circuits, which adapts the control system to specific production conditions. The controllers can be configured both at the lower level of the distributed ACS TP and communicate with the upper level through the digital serial communication channel, and used as a stand-alone device. The meter of the measured and calculated parameters of the corresponding physical quantities displays them on the matrix board of its front panel. A computer with a printer located on the panel shop is connected to the meters. Devel-oped programs that implement control algorithms written in Delphi 3.0 using BDE (Bor-landDatabaseEnqine). Technological programs and a set of documentation for the operation of the system have also been developed. The system is focused on daily work in conjunction with meter gauges. Instrument read-ings are taken at intervals of one to one hundred and twenty minutes, depending on the settings made on the front panel. Information from the meters is stored in the database "Infoterm.db", as well as in the archival database "Archive.db". Moreover, the database "Infoterm.db" is released from the data every day before the launch of system programs. The technological program for heat meters is made on the basis of preliminary calcula-tions of measuring diaphragms from the manufacturer with observance of metrological and technological conditions (metrological certification, etc.). If necessary, the software is configured.


Regulating microprocessor controller Remikont R-110; P-112; P-120; R-122: Technical description 2YA.399.540 TO; microprocessor-based regulating controller Remikont R-130, Technical description.

Kako N., Yamane J. Sensors and micro-computers: trans. from japan. - L.: Energoatomizdat, Lening. department, 1986. - 120 p .: ill.

Kaganov V.Yu., Blinov O.M., Beletskiy A.M. Automation of control of metal-?urgical processes. - M .: Metallurgy, 1974 .-- S.319.

Copyright certificate No. 918690 USSR, MKI F23N1 / 02, 1982.

Copyright certificate No. 1746143 USSR, MKI F23N1 / 02, 1992. 6. Copyright certificate No. 933756 USSR, MKI C 21D 11 / 00.1982.

Copyright certificate No. 1746142 of the USSR, MKI F23N1 / 02.1992.

Koperovich A.P. A quick reference guide to automatic regulation in the iron and steel industry. - M .: Metallurgy, 1963 .-- S. 374.

Copyright certificate No. 543692 USSR, MKI C 21D 11 / 00.1977.

Copyright certificate No. 382710 USSR, MKI C 21D11 / 00.1973.

Research report "Development and implementation of an experimental model of a gas mixture monitoring and control system for heating furnaces of mill 1680 at the Zaporizhstal plant." R&D TA - 399 - 92. IChM Academy of Sciences of Ukraine, Dnepropetrovsk, 1993.

Research report "Implementation of the control system for the heating technology of ingots in the blooming shop of the Krivorozhstal steel plant" using the "Remikont-130" microprocessor technology. Final report TA 265.90 IChM Academy of Sciences of Ukraine, Dnepropetrovsk, 1991.

Automated system of operational dispatch control and metering of energy parameters in the shops of the tire plant at the control room of the power plants of the VIK shop. Working documentation. The main set of working drawings and attached documents. 111 – ATX. UOMPU. Dnepropetrovsk, Belaya Tserkov, 1996.

Automated system of operational dispatch control and metering of energy parameters in the shops of the tire plant at the control room power plant of the VIK shop. Software for the system of accounting for the consumption of thermal energy resources in section 40. 111 - ATX. UO MPA. Dnepropetrovsk, Belaya Tserkov, 1996.

Tonkoshkur O.S., Ignatkin V.U., Gomilko I.V. Digital attachments and microprocessors. Navch. pos. - Dniprodzerzhynsk: DDTU, 2008 .-- 208 p.

Blagoveshchenskaya M.M., Zlobin L.A. Information technology of technological process control systems. - M .: Higher school, 2005. - 768 p.

Ignatkin V.U. Particularities of the analysis of dynamical failure in the process of assessing metrological hopes in terms of dynamic technology // Metrology and attachments. - 2019, no. 2. - S. 36-42.

Ignatkin V.U. that іnshі. Mathematical safety of technical means of monitoring and control. Monograph edited by prof. V.U. Ignatkina // V.U. Іgnatkіn and іnshі. - M. Kam'yanske: DDTU, 2019 .-- 340 p.

Ignatkin V.U. that іnshі. Assessment of reliability and robotic capability of electronic attachments of systems. Navch. posibnik for ed. prof. V.U. Ignatkina // V.U. Іgnatkіn and іnshі. - M. Kam'yanske: DDTU, 2018 .-- 239 p.

Ignatkin V.U. that іnshі. Metrological safety of product quality. Monograph edited by prof. V.U. Ignatkina // V.U. Іgnatkin and іnshi: Zaporozhye, ZNTU, 2017 .-- 202 p.