Мережа доменного газу металургійного комбінату як об’єкт керування

V. P. Kravchenko

doi:10.31498/2225-6733.35.2017.125621

Authors

V. P. Kravchenko State higher educational establishment "Priazovskyi state technical university", Mariupol, Ukraine

DOI:

https://doi.org/10.31498/2225-6733.35.2017.125621

Keywords:

iron and steel works, blast furnace gas network, blast furnace gas collector, gas pressure in the collector, object of control, differential equations of gas pressure al-ternation in the collector

Abstract

Blast furnace gas network of iron and steel work was analyzed in the article. The network comprises a collector and pipe lines, supplying gas from five and taking off gas from the collector towards blast stoves units of the corresponding blast furnaces, two gas consumers and also the unit of vent and popping of surplus gas. The parameters of incoming and outgoing gas are constantly changing in such network, it causing pressure fluctuations inside the collector. The objective of control over such network is to stabilize blast furnace gas pressure in the collector under conditions of constant fluctuations of flows on its input and exit. To solve this problem it is necessary to represent the network of blast furnace gas as an object of control, its input values being the parameters of gas flows (pressure and consumption) on the input and output of the common collector, gas pressure inside the collector being the output value. The rate of alternation of gas mass in the collector was determined on the basis of balance of mass gas flows on the input and output of the collector. A differential equation, connecting the rate of pressure alternations in the collector with its mass incoming and outgoing flows was developed by means of transition from the rate of gas mass in the collector to alternations of its pressure. A similar equation was obtained for volume gas fluxes. With application of the value of hydraulic resistance of appliances, regulating gas flows in the corresponding pipe lines a differential equation, connecting the rate of gas pressure alternations in the collector with gas pressure in the supply and lateral pipe lines. Thus, the object of control was represented in the form of differential equations, one of them describing the rate of gas pressure alternations in the collector from the bulk amount of incoming and outgoing gas flows, the other –from gas pressure in those flows. The obtained equations make it possible to analyze alternations of pressure in the collector, under the influence of various types of network disturbances and the results of such analysis can be used for development of efficient systems of automatic stabilization of network functioning

Author Biography

V. P. Kravchenko, State higher educational establishment "Priazovskyi state technical university", Mariupol

Кандидат технічних наук, доцент

References

Список використаних джерел:

НПАОП 27.1-1.09-09. Правила охорони праці у газовому господарстві підприємств чорної металургії. – Затв. 2009-12-29. – К., 2009. – 98 с.

Старицкий В.И. Газовое хозяйство заводов черной металлургии / В.И. Старицкий. – М. : Металлургиздат, 1973. – 250 с.

А. с. 364822 СССР, МКИ F 27 d 17/00, C 21 b 7/22. Устройство для распределения доменного газа потребителям / Х.Л. Фридман, С.В. Пупченко, А.Я. Каботянский, В.Я. Дубровский. – № 1393160/22-2; заявл. 12.01.70; опубл. 28.12.72, Бюл. № 5. – 3 с.

А. с. 1734079 СССР, МПК G 05 D 16/00, C 21 B 7/22. Способ стабилизации давления в коллекторе подачи очищенного доменного газа потребителям / А.В. Боголюбов, К.А. Квитковский, В.И. Хоничев. – № 904777369; заявл. 04.01.90; опубл. 15.05.92, Бюл. № 18.

Эрриот П. Регулирование производственных процессов / П. Эрриот; пер. с англ. А.Я. Серебрянский. – М. : Энергия, 1967. – 480 с.

Профос П. Регулирование паросиловых установок / П. Профос; пер. с нем. Е.Н. Сергиевская, Д.К. Федотов. – М. : Энергия, 1967. – 368 с.

References:

NPAOP 27.1-1.09-09. Pravila ohoroni pracі u gazovomu gospodarstvі pіdpriєmstv chornoї metalurgії [Rules of labor protection in the gas industry enterprises of ferrous metallurgy]. Kiev, 2009. 98 р. (Rus.)

Starickij V.I. Gazovoe hozjajstvo zavodov chernoj metallurgii [Gas facilities of ferrous metallurgy plants]. Moscow, Metallurgizdat Publ., 1973. 250 p. (Rus.)

Fridman H.L., Pupchenko S.V., Kabotjanskij A.Jа., Dubrovskij V.Jа. Ustrojstvo dlja raspredelenija domennogo gaza potrebiteljam [Device for distribution of blast furnace gas to consumers]. Patent USSR, no.36482, 1973. (Rus.)

Bogoljubov A.V., Kvitkovskij K.A., Honichev V.I. Sposob stabilizacii davlenija v kollektore podachi ochiwennogo domennogo gaza potrebiteljam [Stabilization of pressure in the supply manifold of purified blast furnace gas to consumers]. Patent USSR, no.1734079, 1987. (Rus.)

Harriot P. Process Control, MeGraw-Hill Book Company. New York, San Francisco, 1964. 510 p. (Rus. ed.: Erriot P. Regulirovanie proizvodstvennyh processov. Moscow, Energija Publ., 1967. 480 p.). (Rus.)

Profos P. Die Regtlung von Dampfanlagen. Springer-Verlag, 1962. 380 p. (Rus. ed.: Profos P. Regulirovanie parosilovyh ustanovok. Moscow, Energija Publ., 1967. 368 p.). (Rus.)