RU98119732A - METHOD FOR PRODUCING HOT-STEEL STEEL TAPE AND DEVICE FOR ITS IMPLEMENTATION - Google Patents

METHOD FOR PRODUCING HOT-STEEL STEEL TAPE AND DEVICE FOR ITS IMPLEMENTATION

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Publication number
RU98119732A
RU98119732A RU98119732/02A RU98119732A RU98119732A RU 98119732 A RU98119732 A RU 98119732A RU 98119732/02 A RU98119732/02 A RU 98119732/02A RU 98119732 A RU98119732 A RU 98119732A RU 98119732 A RU98119732 A RU 98119732A
Authority
RU
Russia
Prior art keywords
steel strip
hot
installation
manufacture
rolled steel
Prior art date
Application number
RU98119732/02A
Other languages
Russian (ru)
Other versions
RU2163934C2 (en
Inventor
Йоахим Шенбек
Original Assignee
Маннесманн Аг
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19613718A external-priority patent/DE19613718C1/en
Application filed by Маннесманн Аг filed Critical Маннесманн Аг
Publication of RU98119732A publication Critical patent/RU98119732A/en
Application granted granted Critical
Publication of RU2163934C2 publication Critical patent/RU2163934C2/en

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Claims (1)

1. Способ изготовления горячекатаной стальной ленты из полученного непрерывной разливкой полуфабриката непосредственно следующими друг за другом рабочими операциями, в которых после превращения жидкой стали в полученный непрерывной разливкой полуфабрикат, последний в стационарном процессе без предварительного разделения вводят непосредственно из устройства для непрерывной разливки в непрерывно работающий стан горячей прокатки и с применением следующих параметров получают бесконечную тонкую стальную ленту при технологически обычных для данного способа температурах окончательной прокатки непосредственно с первичного нагрева, при этом:
толщина слитка ho [м] и скорость разливки vc [м/мин] отвечает следующему условию
ho · vc > 0,487 м2/мин;
деформацию в прокатном стане осуществляют в, по меньшей мере, n операций деформации,
причем действует следующее условие (толщина слитка ho в [см])
n = 0,51 + 3,29 lg10(ho)
2. Установка для осуществления способа изготовления горячекатаной ленты из полученного непрерывной разливкой полуфабриката непрерывно следующими друг за другом рабочими операциями, в котором после превращения жидкой стали в полученный непрерывной разливкой полуфабрикат, последний в стационарном процессе без предварительного разрезания вводится из устройства для непрерывной разливки непосредственно в непрерывный стан горячей прокатки и при применении следующих параметров получают бесконечную тонкую стальную ленту с технологически обычными для этого способа температурами окончательной прокатки непосредственно с первичного нагрева, при этом: толщина слитка ho [м] и скорость разливки vc [м/мин] отвечают условию
ho · vc > 0,487 м2/мин
деформация в прокатном стане осуществляется, по меньшей мере, в n операций по деформированию, причем действует условие (толщина слитка ho в [см])
n = 0,51 + 3,29 lg10(ho)
и прокатный стан содержит n операций по деформированию, соответствующих количеству рабочих клетей (8 - 15), у которых диаметр рабочих валков всех клетей (8 - 15) составляет ≅ 600 мм.1. A method of manufacturing a hot-rolled steel strip from a semi-finished product obtained by continuous casting directly following successive operations, in which, after the transformation of liquid steel into a semi-finished product obtained by continuous casting, the latter is introduced in a stationary process without preliminary separation directly from the continuous casting device into a continuously working mill hot rolling and using the following parameters receive an endless thin steel strip with technologically common GOVERNMENTAL temperatures for this method of finish rolling directly from the primary heating, wherein:
ingot thickness h o [m] and casting speed v c [m / min] meets the following condition
h o · v c > 0.487 m 2 / min;
the deformation in the rolling mill is carried out in at least n deformation operations,
and the following condition applies (ingot thickness h o in [cm])
n = 0.51 + 3.29 log 10 (h o )
2. Installation for implementing a method of manufacturing a hot-rolled strip from a semi-finished product obtained by continuous casting continuously following successive operations, in which, after the transformation of liquid steel into a semi-finished product obtained by continuous casting, the latter is introduced directly from the continuous casting device into the continuous casting without preliminary cutting hot rolling mill and when applying the following parameters receive an endless thin steel strip with technological and conventional fashion for this final rolling temperatures directly from the primary heating, wherein: the ingot thickness h o [m] and the casting rate v c [m / min] meet condition
h o · v c > 0.487 m 2 / min
the deformation in the rolling mill is carried out in at least n deformation operations, and the condition is valid (ingot thickness h o in [cm])
n = 0.51 + 3.29 log 10 (h o )
and the rolling mill contains n deformation operations corresponding to the number of working stands (8 - 15), in which the diameter of the working rolls of all stands (8 - 15) is ≅ 600 mm. 3. Установка для изготовления горячекатаной стальной ленты по п. 2, отличающаяся тем, что диаметр рабочих валков, по меньшей мере, в двух последних прокатных клетях (14 и 15) меньше, чем 450 мм. 3. Installation for the manufacture of hot-rolled steel strip according to claim 2, characterized in that the diameter of the work rolls in at least the last two rolling stands (14 and 15) is less than 450 mm. 4. Установка для изготовления горячекатаной стальной ленты по любому из пп. 2 и 3, отличающаяся тем, что между устройством для непрерывной разливки (3 - 6) и прокатным станом (9 - 17) имеется выравнивающий участок (7) для улучшения однородности температуры слитка. 4. Installation for the manufacture of hot rolled steel strip according to any one of paragraphs. 2 and 3, characterized in that between the device for continuous casting (3 - 6) and the rolling mill (9 - 17) there is a leveling section (7) to improve the uniformity of the temperature of the ingot. 5. Установка для изготовления горячекатаной стальной ленты по любому из пп. 2 - 4, отличающаяся тем, что между двумя или несколькими клетями (9 - 11 и 14 - 17) имеются нагревающие и/или охлаждающие агрегаты для установки любой температурной характеристики ленты во время обработки. 5. Installation for the manufacture of hot-rolled steel strip according to any one of paragraphs. 2 to 4, characterized in that between two or more stands (9 - 11 and 14 - 17) there are heating and / or cooling units for setting any temperature characteristic of the tape during processing. 6. Установка для изготовления горячекатаной стальной ленты по любому из пп. 2 - 5, отличающаяся тем, что устройство для непрерывной разливки (3 - 6) оснащено автоматическим регулированием участка охлаждения, которое располагает острие жидкой части заготовки независимо от скорости разливки вблизи конца устройства (6) для непрерывной разливки. 6. Installation for the manufacture of hot rolled steel strip according to any one of paragraphs. 2 - 5, characterized in that the device for continuous casting (3 - 6) is equipped with automatic regulation of the cooling section, which locates the tip of the liquid part of the workpiece regardless of the casting speed near the end of the device (6) for continuous casting. 7. Установка для изготовления горячекатаной стальной ленты по любому из пп. 2 - 6, отличающаяся тем, что в прокатных клетях (9 - 11) и (14 - 17) имеются приспособления для положительного и отрицательного изгиба валков. 7. Installation for the manufacture of hot rolled steel strip according to any one of paragraphs. 2 - 6, characterized in that in the rolling stands (9 - 11) and (14 - 17) there are devices for positive and negative bending of the rolls. 8. Установка для изготовления горячекатаной стальной ленты по любому из пп. 2 - 7, отличающаяся тем, что, по меньшей мере, в одной из прокатных клетей (9 - 11 и 14 - 17) нарушено условие захвата α < μ (угол прокатки < коэффициента трения). 8. Installation for the manufacture of hot rolled steel strip according to any one of paragraphs. 2 - 7, characterized in that in at least one of the rolling stands (9 - 11 and 14 - 17) the capture condition α <μ (rolling angle <friction coefficient) is violated. 9. Установка для изготовления горячекатаной стальной ленты по любому из пп. 2 - 8, отличающаяся тем, что по меньшей мере, главный привод прокатной клети (9 - 11 и 14 - 17) регулируется через минимальное регулирование. 9. Installation for the manufacture of hot-rolled steel strip according to any one of paragraphs. 2 to 8, characterized in that at least the main drive of the rolling stand (9 - 11 and 14 - 17) is regulated through minimal regulation. 10. Установка для изготовления горячекатаной стальной ленты по любому из пп. 1 - 9, отличающаяся тем, что перед первой прокатной клетью (9) имеется вертикальная клеть. 10. Installation for the manufacture of hot rolled steel strip according to any one of paragraphs. 1 to 9, characterized in that in front of the first rolling stand (9) there is a vertical stand. 11. Установка для изготовления горячекатаной стальной ленты по любому из пп. 1 - 9, отличающаяся тем, что перед первой прокатной клетью (9) и следующими клетями имеются приспособления (13) для снятия окалины. 11. Installation for the manufacture of hot rolled steel strip according to any one of paragraphs. 1 to 9, characterized in that before the first rolling stand (9) and the following stands there are devices (13) for descaling. 12. Установка для изготовления горячекатаной стальной ленты по любому из пп. 1 - 11, отличающаяся тем, что за устройством для непрерывной разливки имеются ножницы. 12. Installation for the manufacture of hot-rolled steel strip according to any one of paragraphs. 1 to 11, characterized in that the device for continuous casting there are scissors. 13. Установка для изготовления горячекатаной стальной ленты по любому из пп. 1 - 12, отличающаяся тем, что заготовка, еще с жидкой сердцевиной, уменьшается по толщине во время затвердевания. 13. Installation for the manufacture of hot rolled steel strip according to any one of paragraphs. 1 to 12, characterized in that the preform, even with a liquid core, decreases in thickness during solidification. 14. Установка для изготовления горячекатаной стальной ленты по любому из пп. 1 - 13, отличающаяся тем, что для компенсации износа валков во время длительного периода разливки одна или несколько прокатных клетей оснащены приспособлением для шлифования валков. 14. Installation for the manufacture of hot-rolled steel strip according to any one of paragraphs. 1 to 13, characterized in that to compensate for the wear of the rolls during a long casting period, one or more rolling stands are equipped with a device for grinding the rolls. 15. Установка для изготовления горячекатаной стальной ленты по любому из пп. 1 - 14, отличающаяся тем, что одна или несколько прокатных клетей (9 - 17) оснащены приспособлениями для смены валков в процессе работы. 15. Installation for the manufacture of hot-rolled steel strip according to any one of paragraphs. 1 to 14, characterized in that one or more rolling stands (9 to 17) are equipped with devices for changing rolls during operation.
RU98119732/02A 1996-03-28 1997-03-25 Method of producing hot-rolled steel strip and device for its embodiment RU2163934C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19613718A DE19613718C1 (en) 1996-03-28 1996-03-28 Process and plant for the production of hot-rolled steel strip
DE19613718.7 1996-03-28

Publications (2)

Publication Number Publication Date
RU98119732A true RU98119732A (en) 2000-07-20
RU2163934C2 RU2163934C2 (en) 2001-03-10

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RU98119732/02A RU2163934C2 (en) 1996-03-28 1997-03-25 Method of producing hot-rolled steel strip and device for its embodiment

Country Status (11)

Country Link
US (1) US6092586A (en)
EP (1) EP0889762B1 (en)
JP (1) JP2000507503A (en)
KR (1) KR20000004992A (en)
CN (1) CN1103647C (en)
AT (1) ATE185987T1 (en)
DE (2) DE19613718C1 (en)
ID (1) ID16509A (en)
RU (1) RU2163934C2 (en)
WO (1) WO1997036699A1 (en)
ZA (1) ZA971618B (en)

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