CN102836876A - Production of a finishing roll line in a casting and rolling composite device - Google Patents
Production of a finishing roll line in a casting and rolling composite device Download PDFInfo
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- CN102836876A CN102836876A CN201210206991XA CN201210206991A CN102836876A CN 102836876 A CN102836876 A CN 102836876A CN 201210206991X A CN201210206991X A CN 201210206991XA CN 201210206991 A CN201210206991 A CN 201210206991A CN 102836876 A CN102836876 A CN 102836876A
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- roughing
- band section
- finish rolling
- finishing mill
- cutter
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Abstract
The invention relates to a method for producing a finishing roll line (7) in a casting and rolling composite device (1), and the casting and rolling composite device (1) for implementing the method (1). The object of the invention is to produce the finishing roll line (7) of the casting and rolling composite device (1) in an easy rolling simulation situation. The object is solved by the method according to claim 1, wherein the method is characterized in that: a rough rolling strip (4) is cut off into a rough rolling strip section by a first cutter (6) before a head part of the rough rolling strip (4) enters into the finishing roll line (7); the rough rolling strip section is finished into a finished rolling strip section in the finishing roll line (7); and the finished rolling strip section is wound in a winding device (10).
Description
Technical field
The present invention relates to a kind of method and a kind of casting equipment complex that is used to implement said method of finishing mill line of the casting equipment complex that is used for going into operation.
The present invention relates on the one hand a kind of method of finishing mill line of the casting equipment complex that is used for going into operation, this method comprises following method step:
-in casting equipment, be cast product with the preferred steel continuous casting of the metal of liquid state; And
-in roughing train, be the roughing band with said cast product roughing.
On the other hand, the present invention relates to a kind of casting equipment complex that is used to implement said method, this casting equipment complex has:
-be used for the steel of liquid state is cast into the casting equipment of the preferred sheet billet of cast product;
-roughing train that to be used for said cast product roughing be the roughing band, wherein said roughing train is arranged in the back of said casting equipment;
-being used for the roughing band is cut to first cutter of roughing band section, wherein said first cutter is arranged in the back of said roughing train;
-being used for the finish rolling of said roughing band section is the finishing mill line of finish rolling band section, wherein said finishing mill line is arranged in the back of said first cutter; And
-being used to batch the devices for taking-up of said finish rolling band section, wherein said devices for taking-up is arranged in the back of said finishing mill line.
Background technology
The casting equipment complex is a kind of equipment (such as CSP, ISP or an ESP equipment); At least one casting unit be connected with at least one rolling unit (being coupled more precisely) for this equipment; The said casting equipment of when going into operation said casting equipment complex, at first going into operation, then going into operation typically has the roughing train of many rolling machine frames and the said finishing mill line of then just going into operation.When the operation finishing mill line; According to prior art with cast product before in roughing train (such as the high attenuate grinding machine (High Reduction Mill) of multimachine frame), being deformed into the roughing band under the uncut situation and with the casting heat of casting process, in said casting equipment (typically conticaster or dual roll type casting equipment), the metal (typically molten steel) of liquid state is cast into (such as having slab or the sheet billet cross section) cast product that solidifies fully continuously.Subsequently, the roughing band that will from said roughing train, come out continuously is without flowing to said finishing mill line and there it is deformed into the finish rolling band with cutting, and wherein said roughing train is coupled through rolled piece and said finishing mill line.This coupling-so-called rolling the composite construction of said two milling trains row-when operation casting equipment complex, require high precision and effort have preplaning of many rolling simulations (so-called " Ghost rolling sessions (the virtual rolling active section) " implemented under the situation at no rolled piece), make said operation process continue the long period and in this generation higher cost.
Summary of the invention
Task of the present invention is; Overcome the shortcoming of prior art and show a kind of method and a kind of casting equipment complex that is used to implement said method of finishing mill line of the continuous casting and rolling equipment that is used for going into operation, utilize said method and the casting equipment complex can be as soon as possible and the finishing mill line of the said casting equipment complex of under the situation of the rolling simulation that does not have effort, going into operation.
This task is resolved by the described method of claim 1 through a kind of, the method is characterized in that,
-, the head of roughing band said roughing band is cut to roughing band section before entering into said finishing mill line through first cutter;
-in said finishing mill line, be finish rolling band section with the finish rolling of said roughing band section; And
-in devices for taking-up, batch said finish rolling band section.
Enter into said finishing mill line (just enter into first of said finishing mill line and be in the rolling machine frame among the effect) at the head of roughing band and through said first cutter uncut roughing band is cut to roughing band section (part of the cutting-out of said roughing band is called roughing band section) before, this causes the decoupling of roughing train from the finishing mill line.At this, said first cutter is arranged between said roughing train and the finishing mill line along the throughput direction of said roughing band.Can there be yet or only has the operation personnel of a little the professional knowledge said finishing mill line of going into operation fast and without a doubt thus by field at the casting equipment complex.Through the finish rolling of said roughing band section, come production finish rolling band section, said finish rolling band section typically batches in devices for taking-up after cooling and is the roll coil of strip.Through batching, can the length overall of said casting equipment complex be kept compact (situation in discharging zone of level that is to say than be used in use finish rolling band or finish rolling band section is much compact) on the one hand and just can sell the roll coil of strip of production like this on the other hand.
For the decoupling of said roughing train from the said finishing mill line, advantageously, said roughing band section direction towards finishing mill line on roller-way is quickened.The afterbody of preferred said roughing band section head to uncut roughing band when entering into said finishing mill line has had at least 1 to 5m spacing.
For the stability of finish rolling process, band operation and winding process, advantageously, the length of said finish rolling band section is bigger than the length of the web path between said finishing mill line and the said devices for taking-up, preferably at least 1.1 times.The length of web path is meant the length of said finish rolling band or finish rolling band section (the just rolling roughing band section that finishes) expansion of process between said finishing mill line and said devices for taking-up.Before also in finishing mill line, the afterbody of said roughing band section being rolled thus, the head of said finish rolling band section just enters into said devices for taking-up.Can easily keep strap tension necessary for stability thus.
For batching finish rolling band section, advantageously, in cooling device, finish rolling band section is cooled to the temperature of reeling.
In order in the finish rolling band section that is batched, to guarantee desired tissue, advantageously, before finish rolling, in stove, said roughing band section heating preferably is heated to rolling temperature with induction mode.Heating through induction can make the heating of roughing band section be complementary with different transporting velocities quickly.
In order to prevent in finish rolling band section, the delamination effect to occur, advantageously, after heating, in descaling device, said roughing band section is carried out de-scaling and handle.But, as replacement scheme, can carry out implementing heating in de-scaling processing and the protective gas atmosphere to said roughing band section before the heating equally in inertia.
In order to use devices for taking-up commonly used on the market, advantageously, the unit width weight of said roughing band section is preferably greater than 4.5t/m greater than 3.5t/m.When the roughing strip width is 1.4m, produce the 5t weight of 6.5t preferably approximately thus for roughing band section and for the roll coil of strip.
Saidly also be resolved by the described casting equipment complex of claim 8 through a kind of by task of the present invention, wherein said first cutter structure cuts off the roughing band of the thickness with 18mm when being used for transporting velocity at the roughing band for 0.5m/s.
For the sum with the cutter in the said casting equipment complex remains on the as far as possible little degree, advantageously, said first cutter is configured to cut off during for 0.1m/s in transporting velocity the cast product of the thickness with the preferred 110mm of 90mm equally.Can abandon so-called emergent the cutting before finishing mill line thus.
Advantageously, the preferred pendulum shear of said first cutter directly is arranged in the back of said roughing train.
Advantageously, arranged the preferred induction furnace of stove in the back of said first cutter.
Advantageously, the preferred rotary flying shears of second cutter between said first cutter and said stove, have been arranged.Even also can keep continuous casting operation when in the zone of stove, finishing mill line, cooling device or devices for taking-up, breaking down thus.
For the microstructure of roughing band section, advantageously, in roughing train, implement multistage distortion.
Advantageously, directly in the arranged in front of said finishing mill line descaling device.
In addition, advantageously, be used for the cooling device that finish rolling band section cools off is arranged in the back of said finishing mill line.
Description of drawings
To obtaining the explanation that unrestricted embodiment did, wherein with reference to following accompanying drawing, accompanying drawing illustrates as follows from following for other advantage of the present invention and characteristic:
Fig. 1 is used to implement the sketch map by the casting equipment complex of method of the present invention; And
Fig. 2 is used to implement the casting equipment complex by method of the present invention with respect to what Fig. 1 obtained simplifying.
Reference numerals list:
1 casting equipment complex
2 casting equipments
3 roughing trains
4 roughing bands or roughing band section
5 throughput directions
6 first cutters
7,7a ... The 7d finishing mill line
8 finish rolling bands or finish rolling band section
9 cooling devices
10,10a ... The 10d devices for taking-up
11 roller-ways
12 stoves
13 second cutters
14 descaling devices
15 input and output devices.
The specific embodiment
Fig. 1 shows the sketch map of casting equipment complex 1, and this casting equipment complex is configured to make the so-called ESP equipment (Endless Strip Production (continuous band production)) of band steel.In continuous circular flow, on conticaster 2, the steel of liquid state is cast into sheet billet, wherein directly after crystallizer the thickness of said continuous casting billet be 90mm.Be right after in the continuous casting billet bracing or strutting arrangement of said crystallizer back, the continuous casting billet of partial coagulation is thinned to the thickness of 70mm through so-called liquid core attenuate (Liquid Core Reduction).Be right after back at said casting equipment 2; The cast product that solidifies fully passes the roughing train 3 of three frames along throughput direction 5, is so-called roughing band 4 or the roughing band with thickness of 19mm with said continuous casting billet attenuate at the roughing train place of this three frame.After roughing, said roughing band 4 without cutting pass first cutter 6, input and output device 15 that is configured to rocking fly shears and second cutter 13 that is configured to rotary flying shears.Follow closely after this; Said roughing band 4 is heated to rolling temperature in induction furnace 12, make roughing band 4 through heating in said descaling device 14 after the de-scaling in the austenitic scope of organization at the frame 7a of said finishing mill line 7 ... Rolling among the 7d is finish rolling band 8 or finish rolling band.After finish rolling, the finish rolling band 8 that will have 4mm thickness is at cooling device 9 be cooled to reel temperature and wound into coiled stock in one of devices for taking-up 10a, 10b subsequently.From simple and clear reason, at this not shown said cooling device 9 and said devices for taking-up 10a of being arranged in ... The cutter fast that is used for finish rolling band 8 is cut to desired band weight between the 10b.
The operation of said casting equipment complex 1 is difficulty because the shortage of operation personnel's experience also becomes; Because that is to say that the in service of coupling when roughing train 3 was coupled through roughing band 4 and finishing mill line 7, the huge challenge that proposes to automation control was being represented in the operation of equipment.
When going into operation, handle as follows according to the present invention: after the said conticaster 2 of going into operation, this conticaster 2 is suitable for the sheet billet of casting.Through the ensuing operation of said roughing train 3, making this roughing train be suitable for the sheet billet roughing is roughing band 4; At this advantageously, said roughing train 3 uses the sheet billet from conticaster 2 to load at least in part.Through the operation of said first cutter 6, make it be suitable for cutting off roughing band 4.Although-as top the explanation-when continuous circular flow said cast product, roughing band 4 and finish rolling band 8 without cutting pass said casting equipment complex 1 (until said finish rolling band 8 sizings are clipped to desired roll coil of strip weight); But the operation of said first cutter 6 guarantees that one side can realize discontinuous operation (so-called operation in batches) and can suitably react to the failure condition in the said continuous casting and rolling equipment 1.When going into operation said finishing mill line 7; Uncut quantity-produced roughing band 4 just in said roughing train 3 cast product of roughing be cut to roughing band section by means of said first cutter 6, exactly before the head of roughing band 4 enters into the first frame 7a of said finishing mill line 7.Subsequently on the roller-way 11 that all devices parts between said conticaster 2 and said devices for taking-up 10a, the 10b are joined to one another; Through the driven roller that is not shown specifically said roughing band section is quickened towards the direction of said finishing mill line 7, make the afterbody of said roughing band section after quickening, have 1 to 5m spacing to uncut roughing band 4.Said roughing band section is rolling through a plurality of rolling passes (such as in the finishing mill line 7 of four frames, passing through three rolling passes) in finishing mill line 7 subsequently to be finish rolling band section.In one of devices for taking-up 10a, 10b, be wound into the so-called miniature roll coil of strip (English " micro-coil ") before at said finish rolling band section; Through the cooling in cooling device 9 of said finish rolling band section, said finish rolling band section is cooled to the temperature of reeling.Said roughing band section advantageously has the weight of 5t at least, thus can be on the market common last coiling finish rolling of devices for taking-up 10a, 10b band section.
According to the present invention; With said roughing band in finishing mill line 7 so attenuate is finish rolling band section, make the length of rolling finish rolling band section greater 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.Guarantee thus, can apply enough strap tensions, thereby in ensuing part of appliance, guide the quality that part is batched in said finish rolling band section and raising well.For first rolling pass in the process of operation finishing mill line 7; Maybe be advantageously, only that is to say under the situation of the extra heating in not having induction furnace 12 and typically in the ferritic scope of organization, in finishing mill line 7, come said roughing band section is rolled thus through maximum three attenuate steps with casting heat.For ensuing rolling pass in the operation process, can said induction furnace 12 be used for roughing band section is heated to rolling temperature, thereby can in the austenitic scope of organization, carry out finish rolling.Said first cutter 6 advantageously is configured to rocking fly shears, and cutting had the roughing band of the thickness of 18mm when wherein said rocking fly shears not only was configured to cut the cast product of the thickness with 90mm but also is configured to transporting velocity at the roughing band for 0.5m/s.
Fig. 2 shows the sketch map that obtains simplifying with respect to Fig. 1, and this sketch map is suitable for implementing said by method of the present invention equally.
Specifically, saidly have the following advantages with respect to prior art by method of the present invention:
-be reduced in the complexity of the aspect of operation finishing mill line, realize that thus more the mistake of peanut is rolled (English: cobbles);
-reduction operation duration and cost; And
-when going into operation, can sell the roll coil of strip of manufacturing.
Claims (14)
1. be used for the going into operation method of finishing mill line (7) of casting equipment complex (1), this method may further comprise the steps:
-in casting equipment (2), be cast product with the preferred steel continuous casting of the metal of liquid state;
-in roughing train (3), be roughing band (4) with said cast product roughing;
It is characterized in that,
-enter into said finishing mill line (7) before at the head of roughing band (4), through first cutter (6) said roughing band (4) is cut to roughing band section;
-in said finishing mill line (7), be finish rolling band section with the finish rolling of said roughing band section; And
-in devices for taking-up (10), batch said finish rolling band section.
2. by the described method of claim 1, it is characterized in that, said roughing band section is gone up towards the direction of said finishing mill line (7) at roller-way (11) quickened.
3. by the described method of claim 1, it is characterized in that the length of said finish rolling band section is greater than the length of the web path between finishing mill line (7) and the devices for taking-up (10).
4. by the described method of claim 1, it is characterized in that said finish rolling band section is cooled to the temperature of reeling in cooling device (9).
5. by the described method of claim 1, it is characterized in that said roughing band section heated, preferably is heated to rolling temperature with induction mode in stove (12) before finish rolling.
6. by the described method of claim 5, it is characterized in that the de-scaling in descaling device (12) after heating of said roughing band section.
7. by the described method of claim 1, it is characterized in that the unit width weight of said roughing band section is preferably greater than 4.5t/m greater than 3.5t/m.
8. the casting equipment complex is used for implementing by each described method of claim 1 to 7, and this casting equipment complex has
-be used for the steel of liquid state is cast into the casting equipment (2) of the preferred sheet billet of cast product;
-roughing train (3) that to be used for said cast product roughing be roughing band (4), wherein said roughing train (3) is arranged in the back of said casting equipment (2);
-being used for said roughing band (4) is cut to first cutter (6) of roughing band section, wherein said first cutter (6) is arranged in the back of said roughing train (3);
-to be used for the finish rolling of said roughing band section be the finishing mill line (7) of finish rolling band section, wherein said finishing mill line (7) is arranged in the back of said first cutter (6); And
-being used to batch the devices for taking-up (10) of said finish rolling band section, wherein said devices for taking-up (10) is arranged in the back of said finishing mill line (7);
It is characterized in that said first cutter (6) is configured to cut off during for 0.5m/s in transporting velocity the roughing band (4) of the thickness with the preferred 20mm of 18mm.
9. by the described device of claim 8, it is characterized in that said first cutter (6) is configured to cut off during for 0.1m/s in transporting velocity the cast product of the thickness with the preferred 110mm of 90mm equally.
10. by the described device of claim 8, it is characterized in that the preferred pendulum shear of said first cutter (6) directly is arranged in the back of said roughing train (3).
11. by the described device of claim 8, it is characterized in that, arranged the preferred induction furnace of stove (12) in the back of said first cutter (6).
12. by the described device of claim 11, it is characterized in that, between said first cutter (6) and said stove (12), arranged the preferred rotary flying shears of second cutter (13).
13. by the described device of claim 8, it is characterized in that, directly in the arranged in front of said finishing mill line (7) descaling device (14).
14., it is characterized in that the cooling device (9) that is used for that finish rolling band section is cooled off is arranged in the back of said finishing mill line (7) by the described device of claim 8.
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 true CN102836876A (en) | 2012-12-26 |
| CN102836876B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624989A (en) * | 2013-11-11 | 2015-05-20 | 谢兆宗 | Continuous casting formation machining device and method used for metal |
Families Citing this family (2)
| 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 |
| WO2015099224A1 (en) | 2013-12-26 | 2015-07-02 | 주식회사 포스코 | Hot rolling device, and device and method for continuous casting/hot rolling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000126803A (en) * | 1998-10-27 | 2000-05-09 | Ishikawajima Harima Heavy Ind Co Ltd | Hot rolling method and facility |
| 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 (8)
| 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 |
| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000126803A (en) * | 1998-10-27 | 2000-05-09 | Ishikawajima Harima Heavy Ind Co Ltd | Hot rolling method and facility |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624989A (en) * | 2013-11-11 | 2015-05-20 | 谢兆宗 | Continuous casting formation machining device and method used for metal |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2012124897A (en) | 2013-12-20 |
| CN102836876B (en) | 2016-07-06 |
| AT511657A1 (en) | 2013-01-15 |
| AT511657B1 (en) | 2013-04-15 |
| RU2518821C2 (en) | 2014-06-10 |
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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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