CN102836876B - The operation of the finishing mill line in rolling casting bonding equipment - Google Patents
The operation of the finishing mill line in rolling casting bonding equipment Download PDFInfo
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- CN102836876B CN102836876B CN201210206991.XA CN201210206991A CN102836876B CN 102836876 B CN102836876 B CN 102836876B CN 201210206991 A CN201210206991 A CN 201210206991A CN 102836876 B CN102836876 B CN 102836876B
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- roughing
- finishing mill
- mill line
- strip section
- rolling
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Abstract
The present invention relates to a kind of method for the finishing mill line (7) in rolling casting bonding equipment (1) of going into operation and a kind of rolling casting bonding equipment (1) for implementing described method.The task of the present invention is, it is possible to as soon as possible and the finishing mill line (7) of described rolling casting bonding equipment (1) of going into operation when not having the rolling simulation of effort.This task is solved by the method described in claim 1 by a kind of, the method is characterized in that,-before the head of roughing band (4) enters into described finishing mill line (7), by the first cutter (6), described roughing band (4) is cut to roughing strip section；-it is finished strip section by described roughing strip section finish rolling in described finishing mill line (7)；And-in devices for taking-up (10), batch described finished strip section.
Description
Technical field
The present invention relates to a kind of method of finishing mill line for going into operation in rolling casting bonding equipment and a kind of rolling casting bonding equipment for implementing described method.
A kind of method that the present invention relates to finishing mill line for going into operation in rolling casting bonding equipment on the one hand, the method includes following methods step:
-it is cast product by preferred for the metal of liquid steel continuous casting in casting equipment；And
-it is roughing band by described cast product roughing in roughing train.
On the other hand, the present invention relates to a kind of rolling casting bonding equipment for implementing described method, this rolling casting bonding equipment has:
-for the steel of liquid being cast into the casting equipment of the preferred sheet billet of cast product；
-for by the roughing train that described cast product roughing is roughing band, wherein said roughing train is arranged in after described casting equipment；
-for roughing band being cut to the first cutter of roughing strip section, wherein said first cutter is arranged in after described roughing train；
-for by the finishing mill line that described roughing strip section finish rolling is finished strip section, wherein said finishing mill line is arranged in after described first cutter；And
-for batching the devices for taking-up of described finished strip section, wherein said devices for taking-up is arranged in after described finishing mill line.
Background technology
Rolling casting bonding equipment is a kind of equipment (such as CSP, ISP or ESP equipment), with at least one rolling unit, (being coupled more precisely) is connected at least one casting unit this equipment, first go into operation described casting equipment when going into operation described rolling casting bonding equipment, then the go into operation roughing train typically with multiple stage rolling machine frame and described finishing mill line of then just going into operation.When operation finishing mill line, according to prior art before cast product is deformed into roughing band in uncut situation and by the casting of casting process heat in roughing train (the thinning grinding machine of the height (HighReductionMill) of such as multi-frame), the metal (typically molten steel) of liquid is cast into by described casting equipment (typically conticaster or dual roll type casting equipment) (such as have slab or sheet billet cross section) cast product continuously that solidify completely.Subsequently, by from described roughing train continuously roughing band out not cleaved flow to described finishing mill line and be deformed into finished strip there, wherein said roughing train is coupled by rolled piece and described finishing mill line.That this coupling of said two mill-so-called Rolling compund structure-when operation rolling casting bonding equipment requires high precision and require great effort there is many rolling simulations (implement without rolled piece so-called " Ghostrollingsessions(virtual ring rolling active section) ") preplan so that described operation process last longer and the cost that generation is higher at this.
Summary of the invention
The task of the present invention is, the shortcoming overcoming prior art and a kind of method showing finishing mill line for going into operation in continuous casting and rolling equipment and a kind of rolling casting bonding equipment for implementing described method, utilize described method and the rolling casting bonding equipment can as soon as possible and the finishing mill line of described rolling casting bonding equipment of going into operation when not having the rolling simulation of effort.
This task is solved by the method described in claim 1 by a kind of, the method is characterized in that,
-before the head of roughing band enters in described finishing mill line, by the first cutter, described roughing band is cut to roughing strip section；
-it is finished strip section by described roughing strip section finish rolling in described finishing mill line；And
-in devices for taking-up, batch described finished strip section.
Uncut roughing band is cut to roughing strip section (part cut of described roughing band is called roughing strip section) by described first cutter before entering in described finishing mill line (First namely entering into described finishing mill line is in the rolling machine frame among effect) by the head at roughing band, and this causes roughing train from the decoupling finishing mill line.At this, described first cutter is arranged between described roughing train and finishing mill line along the conveying direction of described roughing band.Thus not by the field at rolling casting bonding equipment or the operation personnel of a little Professional knowledge can also be only had quickly and without any problems go into operation described finishing mill line.By the finish rolling of described roughing strip section, producing finished strip section, described finished strip section typically batches after cooling as the roll coil of strip in devices for taking-up.By batching, the overall length of described rolling casting bonding equipment can be kept compact (that is much compact than the situation in the discharging region using the level being used for finished strip or finished strip section) on the one hand and just can sell the roll coil of strip of so production on the other hand.
For described roughing train from the decoupling described finishing mill line, it is advantageous to make described roughing strip section accelerate towards the direction of finishing mill line on roller-way.The afterbody of preferred described roughing strip section has had the spacing of at least 1 to 5m when entering in described finishing mill line to the head of uncut roughing band.
Finishing stands, band are run and the stability of winding process, it is advantageous to the length of web path between finishing mill line and described devices for taking-up described in the length ratio of described finished strip section is big, it is preferable that at least 1.1 times.The length of web path refers to described finished strip or finished strip section (namely the rolling complete roughing strip section) length of the expansion of process between described finishing mill line and described devices for taking-up.Before thus also the afterbody of described roughing strip section being rolled in finishing mill line, the head of described finished strip section advances in described devices for taking-up.Thus can easily maintain for strap tension necessary stability.
For batching finished strip section, it is advantageous in chiller, finished strip section is cooled to coiling temperature.
In order to ensure desired tissue in the finished strip section batched, it is advantageous in stove, the heating of described roughing strip section was preferably heated to rolling temperature with induction mode before finish rolling.By the heating sensed, it is possible to make the heating of roughing strip section match from different transporting velocities quickly.
In order to prevent from occurring delamination effect in finished strip section, it is advantageous in descaling device, described roughing strip section is carried out de-scaling process after heating.But, as an alternative, equally possible before heating described roughing strip section is carried out de-scaling process and in the protective gas atmosphere of inertia implement heating.
In order to use devices for taking-up conventional on market, it is advantageous to the unit width weight of described roughing strip section is preferably greater than 4.5t/m more than 3.5t/m.When roughing strip width is 1.4m, thus for roughing strip section and the weight for producing 5t preferably approximately 6.5t the roll coil of strip.
Described being solved by the rolling casting bonding equipment described in claim 8 also by a kind of by the task of the present invention, wherein said first cutter is configured to cut off the roughing band of the thickness with 18mm when the transporting velocity of roughing band is 0.5m/s.
In order to the sum of the cutter in described rolling casting bonding equipment is maintained in degree little as far as possible, it is advantageous to the identically constructed cast product for cutting off the thickness with the preferred 110mm of 90mm when transporting velocity is 0.1m/s of described first cutter.Thus can abandon so-called the meeting an urgent need before finishing mill line to cut.
Advantageously, the described first preferred pendulum shear of cutter is directly arranged at after described roughing train.
Advantageously, after described first cutter, the preferred induction furnace of stove is arranged.
Advantageously, between described first cutter and described stove, the second preferred rotary flying shears of cutter are arranged.Even if continuous print casting can also be maintained when thus breaking down in the region of stove, finishing mill line, chiller or devices for taking-up to be run.
Microstructure for roughing strip section, it is advantageous to implement multistage deformation in roughing train.
Advantageously, the direct descaling device in the arranged in front of described finishing mill line.
Furthermore it is advantageous that the chiller for finished strip section is cooled down is arranged in after described finishing mill line.
Accompanying drawing explanation
The further advantage of the present invention and feature obtain from following unrestricted embodiment description, and wherein with reference to the following drawings, accompanying drawing is shown below:
Fig. 1 is the schematic diagram for implementing rolling casting bonding equipment in the present inventive method；And
Fig. 2 be relative to Fig. 1 be simplified for implementing rolling casting bonding equipment in the present inventive method.
Reference numerals list:
1 rolling casting bonding equipment
2 casting equipments
3 roughing trains
4 roughing bands or roughing strip section
5 conveying directions
6 first cutters
7,7a ... 7d finishing mill line
8 finished strip or finished strip section
9 chillers
10,10a ... 10d devices for taking-up
11 roller-ways
12 stoves
13 second cutters
14 descaling devices
15 input and output devices.
Detailed description of the invention
Fig. 1 illustrates the schematic diagram of rolling casting bonding equipment 1, and this rolling casting bonding equipment is configured to manufacture the so-called ESP equipment (production of EndlessStripProduction(continuous band) of strip steel).On conticaster 2, the steel of liquid being cast into sheet billet in continuous print circular flow, wherein directly after crystallizer, the thickness of described continuous casting billet is 90mm.Propping up in support arrangement at the continuous casting billet after described crystallizer, the continuous casting billet of partial coagulation is thinned to the thickness of 70mm by so-called wick-containing thinning (LiquidCoreReduction).After described casting equipment 2, the cast product solidified completely is along conveying direction 5 through the roughing train 3 of three frames, at the roughing train place of this three frame by the so-called roughing band 4 of thinning for the described continuous casting billet thickness for having 19mm or roughing band.After roughing, described roughing band 4 is not cleavedly through being configured to the first cutter 6 of rocking fly shears, input and output device 15 and being configured to the second cutter 13 of rotary flying shears.Follow closely hereafter, described roughing band 4 is heated to rolling temperature in induction furnace 12 so that through the roughing band 4 of heating in described descaling device 14 after de-scaling in the austenitic scope of organization at the frame 7a of described finishing mill line 7 ... in 7d, rolling is for finished strip 8 or finish rolling band.After finish rolling, the finished strip 8 with 4mm thickness is cooled to coiling temperature and subsequently at the middle wound into coiled stock of devices for taking-up one of 10a, 10b at chiller 9.For simple and clear reason, not shown it is arranged in described chiller 9 and described devices for taking-up 10a at this ... the quick cutter for finished strip 8 being cut to desired band weight between 10b.
The operation of described rolling casting bonding equipment 1 also becomes difficulty due to the shortage of the experience of operation personnel, because in the operation of coupling that is when roughing train 3 is coupled with finishing mill line 7 by roughing band 4, the operation of equipment represents the huge challenge proposed to Automated condtrol.
When going into operation, processing as follows according to the present invention: after described conticaster 2 of going into operation, this conticaster 2 is suitable for casting sheet billet.By the ensuing operation of described roughing train 3, making this roughing train be suitable for sheet billet roughing is roughing band 4；At this advantageously, described roughing train 3 is used at least partially to load from the sheet billet of conticaster 2.Operation by described first cutter 6 so that it is be suitable for cutting off roughing band 4.Although-as explained above the same-when continuous print circular flow described cast product, roughing band 4 and finished strip 8 not cleavedly through described rolling casting bonding equipment 1(until described finished strip 8 sizing is clipped to desired roll coil of strip weight), but the operation of described first cutter 6 ensures, it is capable of discontinuous operation (so-called operation in batches) on the one hand and can suitably the failure condition in described continuous casting and rolling equipment 1 be reacted.When going into operation described finishing mill line 7, uncut quantity-produced roughing band 4 namely in described roughing train 3 cast product of roughing be cut to roughing strip section by means of described first cutter 6, exactly enter in the first frame 7a of described finishing mill line 7 at the head of roughing band 4 before.Subsequently on the roller-way 11 that described conticaster 2 and described all devices parts between devices for taking-up 10a, 10b are joined to one another, described roughing strip section is made to accelerate towards the direction of described finishing mill line 7 by the roller that drives not being shown specifically so that the afterbody of described roughing strip section arrives uncut roughing band 4 after acceleration and has 1 spacing arriving 5m.Described roughing strip section is rolled as finished strip section by multiple rolling passes (such as by three rolling passes in the finishing mill line 7 of four frames) subsequently in finishing mill line 7.Before described finished strip section is wound into the so-called miniature roll coil of strip (English " micro-coil ") in devices for taking-up one of 10a, 10b, by the cooling in chiller 9 of described finished strip section, described finished strip section is cooled to coiling temperature.Described roughing strip section advantageously at least has the weight of 5t, such that it is able to commercially common devices for taking-up 10a, 10b upper winding finished strip section.
According to the present invention, by described roughing band in finishing mill line 7 so thinning for finished strip section so that the length of the finished strip section rolled is more than the web path between finishing mill line 7 and devices for taking-up 10a, 10b of finish rolling band or finish rolling tape section.Thereby guarantee that, it is possible to apply enough strap tensions, thus guiding described finished strip section in ensuing part of appliance well and the quality of part is batched in raising.For the first rolling pass in the process of operation finishing mill line 7, it may be advantageous that only by casting heat that is when the extra heating in not having induction furnace 12 and thus typically by maximum three reduction steps, described roughing strip section is rolled in finishing mill line 7 in the ferritic scope of organization.For rolling pass ensuing in operation process, it is possible to be used for roughing strip section is heated to rolling temperature by described induction furnace 12, such that it is able to carry out finish rolling in the austenitic scope of organization.Described first cutter 6 is advantageously configured as rocking fly shears, and wherein said rocking fly shears is not only configured to cut the cast product of the thickness with 90mm but also is configured to the cutting when the transporting velocity of roughing band is 0.5m/s and has the roughing band of the thickness of 18mm.
Fig. 2 illustrates relative to Fig. 1 schematic diagram being simplified, this schematic diagram be equally applicable to implement described in the present inventive method.
Specifically, described have the advantage that relative to prior art in the present inventive method
-reduce complexity in operation finishing mill line, what be achieved in more peanut rolls (English: cobbles) by mistake；
-reduce go into operation persistent period and cost；And
-can sell the manufactured roll coil of strip when going into operation.
Claims (10)
1. be used for going into operation the method for the finishing mill line (7) in rolling casting bonding equipment (1), and wherein said rolling casting bonding equipment (1) including:
-casting equipment (2), for being cast product by the metal continuous cast of liquid, and then
-roughing train (3), for being roughing band (4) by described cast product roughing, and then
-finishing mill line (7), for being finished strip by the finish rolling in finishing mill line (7) of described roughing band, wherein the first cutter (6) is arranged between roughing train (3) and finishing mill line (7), and in continuous print circular flow cast product, roughing band (4) and finished strip (8) can be not cleaved through rolling casting bonding equipment (1)
Said method comprising the steps of:
-it is cast product by the metal continuous cast of liquid in casting equipment (2)；
-it is roughing band (4) by described cast product roughing in roughing train (3)；
It is characterized in that,
-before the head of roughing band (4) enters into described finishing mill line (7), by described first cutter (6), described roughing band (4) is cut to roughing strip section, so that roughing train (3) and finishing mill line (7) decoupling, wherein make described roughing strip section accelerate towards the direction of finishing mill line on roller-way, and wherein said first cutter (6) is configured to cut off when transporting velocity is 0.5m/s the roughing band (4) of the thickness with 18mm；
The de-scaling in descaling device (12) after heating of-described roughing strip section；
-it is finished strip section by described roughing strip section finish rolling in described finishing mill line (7)；
-described finished strip section is cooled to coiling temperature in chiller (9)；And
-in devices for taking-up (10), batch described finished strip section.
2. by the method described in claim 1, it is characterised in that the length of described finished strip section is more than the length of the web path between finishing mill line (7) and devices for taking-up (10).
3. by the method described in claim 1, it is characterised in that described roughing strip section was heated to rolling temperature before finish rolling in stove (12).
4. by the method described in claim 3, it is characterised in that described roughing strip section was heated to rolling temperature with induction mode before finish rolling in stove (12).
5. by the method described in claim 1, it is characterised in that the unit width weight of described roughing strip section is more than 3.5t/m.
6. rolling casting bonding equipment, for implementing by the method according to any one of claim 1 to 5, this rolling casting bonding equipment has
-for the steel of liquid being cast into the casting equipment (2) of cast product；
-for by the roughing train (3) that described cast product roughing is roughing band (4), wherein said roughing train (3) is arranged in after described casting equipment (2)；
-the first cutter (6), for described roughing band (4) being cut to roughing strip section before entering into described finishing mill line (7) at the head of roughing band (4), so that roughing train (3) and finishing mill line (7) decoupling, wherein make described roughing strip section accelerate towards the direction of finishing mill line on roller-way, and wherein said first cutter (6) is arranged in after described roughing train (3)；
-for by the finishing mill line (7) that described roughing strip section finish rolling is finished strip section, wherein said finishing mill line (7) is arranged in after described first cutter (6)；
-wherein directly in the arranged in front of described finishing mill line (7) descaling device (14)；
-be arranged in after described finishing mill line (7) for the chiller (9) that finished strip section is cooled down, and
-for batching the devices for taking-up (10) of described finished strip section, wherein said devices for taking-up (10) is arranged in after described finishing mill line (7), and in continuous print circular flow cast product, roughing band (4) and finished strip (8) can be not cleaved through casting equipment (2), roughing train (3) and finishing mill line (7)；
It is characterized in that, described first cutter (6) is configured to cut off the roughing band (4) of the thickness with 18mm and the identically constructed cast product for cutting off the thickness with 90mm when transporting velocity is 0.1m/s when transporting velocity is 0.5m/s.
7. by the rolling casting bonding equipment described in claim 6, it is characterised in that described first cutter (6) is directly arranged at after described roughing train (3).
8. by the rolling casting bonding equipment described in claim 6, it is characterised in that arrange stove (12) after described first cutter (6).
9. by the rolling casting bonding equipment described in claim 8, it is characterised in that arrange induction furnace after described first cutter (6).
10. by the rolling casting bonding equipment described in claim 8, it is characterised in that arrange the second cutter (13) between described first cutter (6) and described stove (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT9262011A AT511657B1 (en) | 2011-06-24 | 2011-06-24 | COMMISSIONING OF A FINISHED ROLLING CABLE IN A GIESS-WALZ-VERBUNDANLAGE |
| ATA926/2011 | 2011-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102836876A CN102836876A (en) | 2012-12-26 |
| CN102836876B true CN102836876B (en) | 2016-07-06 |
Family
ID=47364752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210206991.XA Active CN102836876B (en) | 2011-06-24 | 2012-06-21 | The operation of the finishing mill line in rolling casting bonding equipment |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102836876B (en) |
| AT (1) | AT511657B1 (en) |
| RU (1) | RU2518821C2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013220657A1 (en) * | 2013-07-26 | 2015-01-29 | Sms Siemag Ag | Method and device for producing a metallic strip in a continuous casting-rolling process |
| CN104624989A (en) * | 2013-11-11 | 2015-05-20 | 谢兆宗 | Continuous casting formation machining device and method used for metal |
| WO2015099224A1 (en) | 2013-12-26 | 2015-07-02 | 주식회사 포스코 | Hot rolling device, and device and method for continuous casting/hot rolling |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10109055A1 (en) * | 2001-02-24 | 2002-09-05 | Sms Demag Ag | Continuous caster with downstream furnaces, roughing stands and a finishing train |
| CN101848776A (en) * | 2007-09-13 | 2010-09-29 | Sms西马格股份公司 | Be used to work continuously, semicontinuous operation and batch operation flexibly and the CSP equipment of compact conformation |
| CN102056690A (en) * | 2008-04-04 | 2011-05-11 | 西门子Vai金属科技有限责任公司 | Method and apparatus for a combined casting-rolling installation |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT398396B (en) * | 1993-02-16 | 1994-11-25 | Voest Alpine Ind Anlagen | METHOD FOR PRODUCING A TAPE, PRE-STRIP OR A LAM |
| EP0804300B1 (en) * | 1994-10-20 | 1999-05-06 | MANNESMANN Aktiengesellschaft | Process and device for producing a steel strip with the properties of a cold-rolled product |
| DE19649295A1 (en) * | 1996-11-28 | 1998-06-04 | Schloemann Siemag Ag | Hot rolling mill |
| RU2208485C2 (en) * | 1996-12-19 | 2003-07-20 | Хоговенс Стал Б.В. | Method for making steel strip or sheet |
| JP2000126803A (en) * | 1998-10-27 | 2000-05-09 | Ishikawajima Harima Heavy Ind Co Ltd | Hot rolling method and facility |
| AT504782B1 (en) * | 2005-11-09 | 2008-08-15 | Siemens Vai Metals Tech Gmbh | METHOD FOR PRODUCING A HOT-ROLLED STEEL STRIP AND COMBINED CASTING AND ROLLING MACHINE TO PERFORM THE METHOD |
| ITRM20070150A1 (en) * | 2007-03-21 | 2008-09-22 | Danieli Off Mecc | PROCESS AND PLANT FOR THE PRODUCTION OF METAL TAPES |
| DE102008020412A1 (en) * | 2007-08-24 | 2009-02-26 | Sms Demag Ag | Method and device for producing a metal strip by casting rolls |
| AT506065B1 (en) * | 2007-11-22 | 2009-06-15 | Siemens Vai Metals Tech Gmbh | METHOD FOR THE CONTINUOUS AUSTENITIC ROLLING OF A PRECONDUCT MADE IN A CONTINUOUS PLANTING PROCESS, AND A COMBINED CASTING AND ROLLING MACHINE TO PERFORM THE METHOD |
-
2011
- 2011-06-24 AT AT9262011A patent/AT511657B1/en not_active IP Right Cessation
-
2012
- 2012-06-14 RU RU2012124897/02A patent/RU2518821C2/en active
- 2012-06-21 CN CN201210206991.XA patent/CN102836876B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10109055A1 (en) * | 2001-02-24 | 2002-09-05 | Sms Demag Ag | Continuous caster with downstream furnaces, roughing stands and a finishing train |
| CN101848776A (en) * | 2007-09-13 | 2010-09-29 | Sms西马格股份公司 | Be used to work continuously, semicontinuous operation and batch operation flexibly and the CSP equipment of compact conformation |
| CN102056690A (en) * | 2008-04-04 | 2011-05-11 | 西门子Vai金属科技有限责任公司 | Method and apparatus for a combined casting-rolling installation |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2012124897A (en) | 2013-12-20 |
| AT511657A1 (en) | 2013-01-15 |
| AT511657B1 (en) | 2013-04-15 |
| RU2518821C2 (en) | 2014-06-10 |
| CN102836876A (en) | 2012-12-26 |
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Effective date of registration: 20151214 Address after: Austria Linz Applicant after: The Austrian limited liability company of primary metal science and technology Address before: Austria Linz Applicant before: Siemens VAI metal technology limited liability company |
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