EP2991783A1 - Verfahren zur herstellung eines metallischen bandes - Google Patents
Verfahren zur herstellung eines metallischen bandesInfo
- Publication number
- EP2991783A1 EP2991783A1 EP14720168.5A EP14720168A EP2991783A1 EP 2991783 A1 EP2991783 A1 EP 2991783A1 EP 14720168 A EP14720168 A EP 14720168A EP 2991783 A1 EP2991783 A1 EP 2991783A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- strip
- cooling
- volume flow
- rolling mill
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000002184 metal Substances 0.000 title abstract description 8
- 229910052751 metal Inorganic materials 0.000 title abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 50
- 238000005096 rolling process Methods 0.000 claims abstract description 40
- 239000002826 coolant Substances 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 238000009749 continuous casting Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000000463 material Substances 0.000 description 9
- 230000007423 decrease Effects 0.000 description 7
- 238000005275 alloying Methods 0.000 description 6
- 238000001953 recrystallisation Methods 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 230000007704 transition Effects 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- DBIMSKIDWWYXJV-UHFFFAOYSA-L [dibutyl(trifluoromethylsulfonyloxy)stannyl] trifluoromethanesulfonate Chemical compound CCCC[Sn](CCCC)(OS(=O)(=O)C(F)(F)F)OS(=O)(=O)C(F)(F)F DBIMSKIDWWYXJV-UHFFFAOYSA-L 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000000930 thermomechanical effect Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 241000475481 Nebula Species 0.000 description 1
- 241000219422 Urtica Species 0.000 description 1
- 235000009108 Urtica dioica Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/06—Thermomechanical rolling
Definitions
- Grain structure of the structure fine grain hardening positive on the strength and at the same time on the toughness properties. With a small grain size, the strength and toughness properties of the steel material are improved.
- Another aspect concerns the flatness of the strip or sheet. The lower the temperature after cooling in the cooling section and the thicker the strip or sheet thickness, the more important the water application on the
- the solution of this problem by the invention is characterized in that the strip or sheet is subjected immediately after passing the work rolls of the last stand an additional rapid cooling, wherein the cooling of the strip or sheet at least partially within the
- the strip or sheet is preferably made by first casting a slab in a continuous casting plant, then placing it in an oven,
- a steel strip or a steel sheet is preferably produced.
- the strip may be steel strip to which alloying constituents are added.
- the rolling mill is preferably a hot rolling mill.
- the quick cooling preferably extends from the interior of the last
- Roll stand of the rolling mill in the conveying direction ie in the rolling direction
- the cooling device behind the last rolling stand of the rolling mill in the conveying direction preferably begins at a distance greater than 10 m.
- a rapid cooling is arranged in the last frame of the finishing train.
- the time between the passage of the last roll gap and the cooling of the strip or sheet is thus minimal.
- the rapid cooling is preferably designed so that cooling rates above 1 000 K / s at the surface are possible.
- the amounts of water are applied in such a way that optimum flatness results.
- the rapid cooling measuring instruments for the thickness of the band or for the same temperature
- the present invention allows the improved production of strips and sheets, in particular of metallic materials (especially steel and iron alloys) in hot and heavy plate mills.
- the resulting grain structure is the result of recrystallization and recovery processes occurring in the material during forming.
- Grain growth takes place especially after the last pass in a hot strip mill or in a heavy plate stand and can be prevented or reduced by the earliest possible cooling of the strip.
- the present invention provides a response and describes a
- Cast continuous casting then heated in a roller hearth to the desired oven temperature and immediately afterwards in the finishing mill (rolling mill) rolled down to the finished strip thickness (heating insert).
- the slab can also be heated in the oven after a longer laytime and then further processed in the rolling mill (cold use).
- the necessary furnace temperature depends essentially on the final thickness and bandwidth to be rolled as well as on the
- Toughness results according to the Cottrell-Petch equation with the decrease in grain size. This can be in the form of a decrease in the DBTT transition temperature (Ductil Brittie Transition Temperature) or higher values in the
- Amounts of water are adjusted so that arise on the band / Blechober- and - underside the same temperatures, optimum flatness is achieved, and the band / sheet edge is like the center of the tape flat on the roller table. However, it is necessary to increase the amount of water on the bottom.
- the single figure shows schematically the last framework of a finishing train for producing a steel strip and a subsequent laminar cooling including coiler.
- the figure shows the rolling stand 2 of a finishing train.
- the strip 1 is rolled in the finishing train and leaves in the conveying direction F the last rolling stand 2.
- Rolling stand 2 the belt 1 is cooled, using a quick-cooling 4 is used, which corresponds in structure to the classical construction.
- a cooling medium (water) is sprayed onto the top and bottom of the belt 1.
- the cooling device 3 is divided into 10 sections.
- Embodiment amounts to about 9 m from the middle of the roll stand 2 amounts;
- Embodiment at about 14 m behind the center of the rolling mill. 2
- Behind the cooling device 3 is a reel device 5 for
- Temperature measuring elements 6 and 7 determine the respective temperature at the corresponding location in order to be able to monitor the course of the process.
- the proposed method is used in combination with a CSP plant with X-strands, oscillation and use of the tunnel kiln, or in a conventional hot rolling mill.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013208145 | 2013-05-03 | ||
DE102013221072 | 2013-10-17 | ||
DE102013019698.1A DE102013019698A1 (de) | 2013-05-03 | 2013-11-26 | Verfahren zur Herstellung eines metallischen Bandes |
PCT/EP2014/058935 WO2014177664A1 (de) | 2013-05-03 | 2014-04-30 | Verfahren zur herstellung eines metallischen bandes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2991783A1 true EP2991783A1 (de) | 2016-03-09 |
EP2991783B1 EP2991783B1 (de) | 2017-03-01 |
Family
ID=51727301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14720168.5A Revoked EP2991783B1 (de) | 2013-05-03 | 2014-04-30 | Verfahren zur herstellung eines metallischen bandes |
Country Status (8)
Country | Link |
---|---|
US (1) | US9833823B2 (de) |
EP (1) | EP2991783B1 (de) |
JP (1) | JP6138347B2 (de) |
KR (1) | KR101759915B1 (de) |
CN (1) | CN105324190B (de) |
DE (1) | DE102013019698A1 (de) |
RU (1) | RU2635500C2 (de) |
WO (1) | WO2014177664A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021245355A1 (fr) | 2020-06-04 | 2021-12-09 | Constellium Neuf-Brisach | Procede et equipement de refroidissement sur un laminoir reversible a chaud |
FR3112297A1 (fr) | 2020-07-07 | 2022-01-14 | Constellium Neuf-Brisach | Procédé et équipement de refroidissement sur un Laminoir réversible à chaud |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016002950A1 (de) | 2016-03-11 | 2017-09-14 | Rheinisch-Westfälische Technische Hochschule (Rwth) Aachen | System zu extrakorporalen Elimination von Kohlenmonoxid |
KR20190110550A (ko) * | 2017-01-24 | 2019-09-30 | 프리메탈스 테크놀로지스 오스트리아 게엠베하 | 주조-압연 설비 및 이러한 설비에 의해 공작물을 처리하기 위한 방법 |
IT201700039423A1 (it) * | 2017-04-10 | 2018-10-10 | Arvedi Steel Eng S P A | Impianto e procedimento per la produzione in molteplici modalita' di nastri e lamiere d’acciaio |
RU2686504C1 (ru) * | 2018-10-01 | 2019-04-29 | Акционерное общество "Выксунский металлургический завод" | Способ производства рулонной полосы на широкополосном прокатном стане |
CN113165039B (zh) | 2018-11-15 | 2023-11-28 | 特奥多尔·斯图斯 | 用于通过辊轧成型由第一金属带和至少一个另外的金属带制造原料线材的方法 |
DE102019203088A1 (de) | 2019-03-06 | 2020-09-10 | Sms Group Gmbh | Verfahren zur Herstellung eines metallischen Bandes oder Blechs |
DE102019220033A1 (de) * | 2019-03-18 | 2020-09-24 | Sms Group Gmbh | Anlage und Verfahren zur Herstellung von metallischem Warmband |
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SU988880A1 (ru) * | 1981-06-15 | 1983-01-15 | Институт Черной Металлургии Мчм Ссср | Способ ускоренного охлаждени полосового проката |
JPS6022115A (ja) | 1983-07-18 | 1985-02-04 | Derufuai:Kk | ポリゴンミラ駆動装置 |
JPS60221115A (ja) | 1984-04-04 | 1985-11-05 | Kobe Steel Ltd | 鋼板冷却方法 |
JPS60243226A (ja) | 1984-05-15 | 1985-12-03 | Kawasaki Steel Corp | 熱間圧延材の材質制御方法および装置 |
JPS6156722A (ja) | 1984-08-28 | 1986-03-22 | Kawasaki Steel Corp | 熱延鋼板の熱間仕上圧延機出側直近急冷方法 |
SU1817714A3 (en) * | 1991-12-06 | 1993-05-23 | Орско-Халиловский металлургический комбинат | Method of cooling thick-sheet rolled metal |
JP3508540B2 (ja) | 1998-03-30 | 2004-03-22 | Jfeスチール株式会社 | 鋼板冷却設備 |
DE19911287C1 (de) * | 1999-03-13 | 2000-08-31 | Thyssenkrupp Stahl Ag | Verfahren zum Erzeugen eines Warmbandes |
DE10110324A1 (de) * | 2001-03-03 | 2002-09-05 | Sms Demag Ag | Verfahren zum Entzundern von Bändern |
CN1304133C (zh) * | 2002-08-08 | 2007-03-14 | 杰富意钢铁株式会社 | 热轧钢带的冷却装置、热轧钢带的制造方法以及热轧钢带的生产线 |
JP4029865B2 (ja) | 2004-06-04 | 2008-01-09 | 住友金属工業株式会社 | 熱延鋼板の製造設備及び熱延鋼板の製造方法 |
JP4029871B2 (ja) * | 2004-07-22 | 2008-01-09 | 住友金属工業株式会社 | 鋼板の冷却装置、熱延鋼板の製造装置及び製造方法 |
DE102004058550A1 (de) | 2004-12-03 | 2006-06-14 | Sms Demag Ag | CSP-Stranggießanlage mit Rollenherdofen und Schwenkfähren |
JP4586682B2 (ja) * | 2005-08-30 | 2010-11-24 | Jfeスチール株式会社 | 鋼板の熱間圧延設備および熱間圧延方法 |
JP2006035223A (ja) | 2005-09-20 | 2006-02-09 | Eacle Kk | 比重選別機、及び土木・建築の廃材から骨材を再生する方法 |
JP4586791B2 (ja) | 2006-10-30 | 2010-11-24 | Jfeスチール株式会社 | 熱延鋼帯の冷却方法 |
JP4924538B2 (ja) | 2008-05-23 | 2012-04-25 | 住友金属工業株式会社 | 熱延鋼板の製造装置及び製造方法 |
JP4678069B1 (ja) * | 2009-03-30 | 2011-04-27 | Jfeスチール株式会社 | 熱延鋼板の冷却装置 |
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CN102548680B (zh) | 2009-06-30 | 2015-04-01 | 新日铁住金株式会社 | 热轧钢板的冷却装置、冷却方法、制造装置及制造方法 |
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CN102448632B (zh) | 2009-06-30 | 2014-09-03 | 新日铁住金株式会社 | 热轧钢板的冷却装置、冷却方法、制造装置及制造方法 |
JP4678448B2 (ja) | 2009-07-15 | 2011-04-27 | 住友金属工業株式会社 | 熱延鋼板の製造装置、及び鋼板の製造方法 |
KR101444564B1 (ko) | 2009-10-07 | 2014-09-24 | 신닛테츠스미킨 카부시키카이샤 | 열연의 냉각 장치 및 냉각 방법 |
EP2505277B1 (de) | 2009-11-24 | 2020-01-01 | Nippon Steel Corporation | Vorrichtung zur herstellung eines heissgewalzten stahlblechs und verfahren zur herstellung eines heissgewalzten stahlblechs |
KR101395378B1 (ko) | 2009-11-24 | 2014-05-14 | 신닛테츠스미킨 카부시키카이샤 | 열연강판의 제조 방법, 및 열연강판의 제조 장치 |
KR101456765B1 (ko) * | 2010-03-11 | 2014-10-31 | 신닛테츠스미킨 카부시키카이샤 | 열연 강판의 제조 방법 및 제조 장치 |
JP5531852B2 (ja) * | 2010-08-16 | 2014-06-25 | 新日鐵住金株式会社 | 冷媒流量の決定方法 |
JP5646261B2 (ja) | 2010-09-22 | 2014-12-24 | 三菱日立製鉄機械株式会社 | 熱延鋼帯の冷却装置 |
JP4918155B2 (ja) | 2010-09-28 | 2012-04-18 | 三菱日立製鉄機械株式会社 | 熱延鋼帯の製造装置及び製造方法 |
TWI445581B (zh) | 2011-03-01 | 2014-07-21 | Nippon Steel & Sumitomo Metal Corp | 熱軋鋼板的製造裝置以及熱軋鋼板的製造方法 |
US9211574B2 (en) * | 2011-07-27 | 2015-12-15 | Nippon Steel & Sumitomo Metal Corporation | Method for manufacturing steel sheet |
-
2013
- 2013-11-26 DE DE102013019698.1A patent/DE102013019698A1/de active Pending
-
2014
- 2014-04-30 RU RU2015151581A patent/RU2635500C2/ru active
- 2014-04-30 KR KR1020157032087A patent/KR101759915B1/ko active IP Right Grant
- 2014-04-30 CN CN201480034931.1A patent/CN105324190B/zh active Active
- 2014-04-30 JP JP2016511080A patent/JP6138347B2/ja active Active
- 2014-04-30 US US14/888,787 patent/US9833823B2/en active Active
- 2014-04-30 EP EP14720168.5A patent/EP2991783B1/de not_active Revoked
- 2014-04-30 WO PCT/EP2014/058935 patent/WO2014177664A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2014177664A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021245355A1 (fr) | 2020-06-04 | 2021-12-09 | Constellium Neuf-Brisach | Procede et equipement de refroidissement sur un laminoir reversible a chaud |
FR3112297A1 (fr) | 2020-07-07 | 2022-01-14 | Constellium Neuf-Brisach | Procédé et équipement de refroidissement sur un Laminoir réversible à chaud |
FR3112296A1 (fr) | 2020-07-07 | 2022-01-14 | Constellium Neuf-Brisach | Procédé et équipement de refroidissement sur un Laminoir réversible à chaud |
Also Published As
Publication number | Publication date |
---|---|
CN105324190B (zh) | 2017-10-31 |
KR20150139612A (ko) | 2015-12-11 |
CN105324190A (zh) | 2016-02-10 |
DE102013019698A1 (de) | 2014-11-06 |
RU2635500C2 (ru) | 2017-11-13 |
US20160082491A1 (en) | 2016-03-24 |
KR101759915B1 (ko) | 2017-07-20 |
JP6138347B2 (ja) | 2017-05-31 |
US9833823B2 (en) | 2017-12-05 |
JP2016516590A (ja) | 2016-06-09 |
EP2991783B1 (de) | 2017-03-01 |
RU2015151581A (ru) | 2017-06-08 |
WO2014177664A1 (de) | 2014-11-06 |
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