EP1420897A1 - Verfahren und giess-walz-anlage zum herstellen von metallband, insbesondere von warmgewalztem stahlband aus stanggegossenem vorband - Google Patents
Verfahren und giess-walz-anlage zum herstellen von metallband, insbesondere von warmgewalztem stahlband aus stanggegossenem vorbandInfo
- Publication number
- EP1420897A1 EP1420897A1 EP02796234A EP02796234A EP1420897A1 EP 1420897 A1 EP1420897 A1 EP 1420897A1 EP 02796234 A EP02796234 A EP 02796234A EP 02796234 A EP02796234 A EP 02796234A EP 1420897 A1 EP1420897 A1 EP 1420897A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- coil
- finishing
- continuous
- casting
- 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
- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 8
- 239000002184 metal Substances 0.000 title claims abstract description 8
- 239000010959 steel Substances 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 title claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000009749 continuous casting Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
-
- 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
- B21B45/004—Heating the product
-
- 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
- B21B45/04—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 de-scaling, e.g. by brushing
- B21B45/08—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 de-scaling, e.g. by brushing hydraulically
Definitions
- the invention relates to a method and a casting-rolling plant for producing metal strip, in particular hot-rolled steel strip from continuously cast pre-strip in rolling lines of roughing and finishing lines.
- an ISP thin slab casting and rolling plant in which the cast thin slabs are first preformed, then wound in a coil box and unwound again, in order then to be introduced into the finishing train located nearby.
- the roughing train and finishing train are always built in close proximity in hot flat rolling mills.
- the temperature loss in the roughing mill is approx. 150 K.
- the divided slabs In order to reach the required entry temperature in the finishing mill of approx. 1100 ° C, the divided slabs must be heated to approx. 1250 ° C in walking beam furnaces. A great deal of energy is required, because on the one hand the heating energy has to be transferred to the slabs and on the other hand the temperature losses in the furnace have to be absorbed.
- the invention has for its object to make a change from the roughing to the finishing train without great energy loss and without additional facilities.
- the object is achieved according to the invention in that the casting strand in a roughing mill, which is directly connected to an outlet roller table of the continuous casting installation, is rolled to pre-strip and then wound in a coil box, and that only heat losses of the coil compared to the finish-rolling tapping - Temperature can be compensated for by heating the coil in a continuous coil furnace.
- the advantage is an energy saving due to the lower heating temperature.
- the spatial separation of the roughing train and finishing train can be disregarded by transporting the preliminary strip wound in the coil box from the coil furnace to a spatially separated finishing train.
- the spatial separation of the roughing and finishing lines is therefore no longer as important as before.
- the method can also be used in the borderline case of no spatial separation.
- a casting and rolling plant for the production of metal strip, in particular hot-rolled steel strip from continuously cast pre-strip in rolling lines of roughing streets and finishing lines is designed according to technical plant characteristics in such a way that a roughing mill is directly connected to a continuous casting system so that a winding coil box is provided for the roughing strip is arranged at the end of the roughing train and that heat losses of the coil can be compensated within a coil transport path in a continuous coil furnace which is arranged at the entrance to the finishing train.
- the advantage is an energy saving due to the lower heating temperature of the coil.
- a coil box for unwinding the preliminary strip is arranged in the material flow behind a coil task with a continuous coil furnace at the entrance to the finishing train.
- the preliminary strip therefore goes into the finishing train with a very precise finishing roll piercing temperature.
- Another advantage is that a scale washing device is arranged at the entrance to the finishing train.
- an exemplary embodiment of the casting and rolling plant for producing metal strip, in particular hot-rolled steel strip is shown as a continuous cast strip in a continuous casting plant 1, which is further rolled in rolling lines from roughing train 2 and finishing train 3.
- the roughing strip is rolled in roughing mill 2 with roughing stands 2a and 2b using the heat of fusion and then wound up in a coil box 4.
- the coil is transported on the coil transport path 5 automatically or by means of vehicles into a coil task 6, which can not only be in the vicinity, but also at a distance, and passes through a continuous coil furnace 7.
- the larger distance between the strand Casting plant 1 and the finishing train 3 can be covered without major energy loss and thus a so-called warm use of the preliminary strip can be made possible.
- reheating the coil in the continuous coil furnace 6 due to the dimensions on which it is based, for example, further energy savings are advantageous since the heat loss of the roughing mill 2 no longer has to be taken into account.
- the preliminary strip is then unwound in a further unwinding coil box 8, scooped in a cropping shear 9 and introduced into the finishing train 3 via a scale washing device 10 and finished rolled into finished strip in the finishing stands 11 to 17. Due to the division of the preliminary and finished streets at different locations, there is flexibility in the planning and execution of the systems, especially when space is limited.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Articles (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10141179 | 2001-08-22 | ||
| DE10141179A DE10141179A1 (de) | 2001-08-22 | 2001-08-22 | Verfahren und Gieß-Walz-Anlage zum Herstellen von Metallband, insbesondere von warmgewalztem Stahlband aus stranggegossenem Vorband |
| PCT/EP2002/009194 WO2003018222A1 (de) | 2001-08-22 | 2002-08-16 | Verfahren und giess-walz-anlage zum herstellen von metallband, insbesondere von warmgewalztem stahlband aus stanggegossenem vorband |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1420897A1 true EP1420897A1 (de) | 2004-05-26 |
| EP1420897B1 EP1420897B1 (de) | 2005-02-09 |
Family
ID=7696269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02796234A Expired - Lifetime EP1420897B1 (de) | 2001-08-22 | 2002-08-16 | Verfahren zum herstellen von metallband, insbesondere von warmgewalztem stahlband aus stanggegossenem vorband |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1420897B1 (de) |
| AT (1) | ATE288794T1 (de) |
| DE (2) | DE10141179A1 (de) |
| WO (1) | WO2003018222A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319738A (zh) * | 2011-07-01 | 2012-01-18 | 云南钛业股份有限公司 | 一种钛及钛合金带卷纵剪分条方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1244295B (it) * | 1990-07-09 | 1994-07-08 | Giovanni Arvedi | Processo ed impianto per l'ottenimento di nastri di acciaio avvolti, aventi caratteristiche di laminati a freddo ottenuti direttamente in linea di laminazione a caldo |
| DE19520832A1 (de) * | 1994-10-20 | 1996-04-25 | Mannesmann Ag | Verfahren und Vorrichtung zur Herstellung von Stahlband mit Kaltwalzeigenschaften |
| WO2000051755A1 (en) * | 1999-03-04 | 2000-09-08 | Pohang Iron & Steel Co., Ltd. | Method of manufacturing hot rolled steel sheet using mini mill process |
-
2001
- 2001-08-22 DE DE10141179A patent/DE10141179A1/de not_active Withdrawn
-
2002
- 2002-08-16 WO PCT/EP2002/009194 patent/WO2003018222A1/de not_active Ceased
- 2002-08-16 AT AT02796234T patent/ATE288794T1/de active
- 2002-08-16 DE DE50202238T patent/DE50202238D1/de not_active Expired - Lifetime
- 2002-08-16 EP EP02796234A patent/EP1420897B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03018222A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319738A (zh) * | 2011-07-01 | 2012-01-18 | 云南钛业股份有限公司 | 一种钛及钛合金带卷纵剪分条方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE288794T1 (de) | 2005-02-15 |
| DE50202238D1 (de) | 2005-03-17 |
| WO2003018222A1 (de) | 2003-03-06 |
| EP1420897B1 (de) | 2005-02-09 |
| DE10141179A1 (de) | 2003-03-06 |
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Free format text: METHOD FOR PRODUCING A METAL STRIP, IN PARTICULAR FROM A HOT-ROLLED STEEL STRIP CONSISTING OF A CONTINUOUS CAST PRE-STRIP |
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