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RU96111485A - METHOD FOR CONTROL OF ELECTRIC MODE OF ARC ELECTRIC STEEL FURNACE - Google Patents

METHOD FOR CONTROL OF ELECTRIC MODE OF ARC ELECTRIC STEEL FURNACE

Info

Publication number
RU96111485A
RU96111485A RU96111485/02A RU96111485A RU96111485A RU 96111485 A RU96111485 A RU 96111485A RU 96111485/02 A RU96111485/02 A RU 96111485/02A RU 96111485 A RU96111485 A RU 96111485A RU 96111485 A RU96111485 A RU 96111485A
Authority
RU
Russia
Prior art keywords
electrode
time
electric
melting
amplitude
Prior art date
Application number
RU96111485/02A
Other languages
Russian (ru)
Other versions
RU2101364C1 (en
Inventor
В.К. Буторин
В.И. Веревкин
Г.И. Веревкин
А.Ф. Штайгер
Original Assignee
Сибирская государственная горно-металлургическая академия
Filing date
Publication date
Application filed by Сибирская государственная горно-металлургическая академия filed Critical Сибирская государственная горно-металлургическая академия
Priority to RU96111485A priority Critical patent/RU2101364C1/en
Priority claimed from RU96111485A external-priority patent/RU2101364C1/en
Application granted granted Critical
Publication of RU2101364C1 publication Critical patent/RU2101364C1/en
Publication of RU96111485A publication Critical patent/RU96111485A/en

Links

Claims (1)

Способ управления электрическим режимом дуговой электросталеплавильной печи, включающий измерение электромеханических колебаний системы электрод - электродержатель в горизонтальной плоскости в частотном диапазоне 2 - 10 Гц, отличающийся тем, что в период плавления для каждого электрода непрерывно анализируют динамику поведения амплитуды колебаний системы электрод - электрододержатель в последний интервал времени Δt = 40 - 60 c , для чего фиксируют зависимость электромеханических колебаний во времени в масштабах, кратных 1 мм/с по оси времени и 0,3 мм/% - по оси ординат относительно средней амплитуды колебаний при нормальном плавлении, определяют зависимость амплитуды колебаний во времени, осуществляют ее текущую линейную аппроксимацию на интервале времени Δt, оценивают угол падения α аппроксимирующей прямой по отношению к оси времени и проверяют выполнение условия α ≥25°, по мере его выполнения хотя бы для одного электрода плавление прерывают, электрод поднимают и устраняют токонепроводящую шихту.A method for controlling the electric mode of an electric arc furnace, including measuring the electromechanical vibrations of the electrode - electrode holder system in a horizontal plane in the frequency range of 2-10 Hz, characterized in that during the melting period for each electrode the dynamics of the amplitude of the electrode - electrode holder system oscillation amplitude is continuously analyzed in the last interval time Δt = 40 - 60 s, for which the dependence of electromechanical oscillations in time is recorded in scales that are multiples of 1 mm / s along the time axis and 0.3 mm /% - along the ordinate axis relative to the average vibration amplitude during normal melting, determine the dependence of the vibration amplitude over time, carry out its current linear approximation over the time interval Δt, estimate the angle of incidence α of the approximating line with respect to the time axis and check the fulfillment of the condition α ≥25 ° , as it is fulfilled, at least for one electrode the melting is interrupted, the electrode is lifted and the non-conductive charge is removed.
RU96111485A 1996-06-06 1996-06-06 Method of controlling electrical conditions in arc electric steel- smelting furnace RU2101364C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96111485A RU2101364C1 (en) 1996-06-06 1996-06-06 Method of controlling electrical conditions in arc electric steel- smelting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96111485A RU2101364C1 (en) 1996-06-06 1996-06-06 Method of controlling electrical conditions in arc electric steel- smelting furnace

Publications (2)

Publication Number Publication Date
RU2101364C1 RU2101364C1 (en) 1998-01-10
RU96111485A true RU96111485A (en) 1998-03-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU96111485A RU2101364C1 (en) 1996-06-06 1996-06-06 Method of controlling electrical conditions in arc electric steel- smelting furnace

Country Status (1)

Country Link
RU (1) RU2101364C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2180951C1 (en) * 2001-04-28 2002-03-27 Пономаренко Дмитрий Александрович Method for controlling metallurgical melting process
RU2474801C1 (en) * 2011-08-26 2013-02-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" Method of monitoring bases of electric drives of pumping assemblies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1266875A1 (en) * 1985-05-12 1986-10-30 Кузнецкий металлургический комбинат им.В.И.Ленина Method for controlling electrical parameters of electric arc steel melting furnace

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