CN104942026A - Moderate-thickness plate temperature-control rolling process making efficient use of lateral temperature waiting roll tables - Google Patents
Moderate-thickness plate temperature-control rolling process making efficient use of lateral temperature waiting roll tables Download PDFInfo
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- CN104942026A CN104942026A CN201510331974.2A CN201510331974A CN104942026A CN 104942026 A CN104942026 A CN 104942026A CN 201510331974 A CN201510331974 A CN 201510331974A CN 104942026 A CN104942026 A CN 104942026A
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- way
- roller
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- warm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
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- 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
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- Mechanical Engineering (AREA)
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Abstract
The invention relates to a moderate-thickness plate temperature-control rolling process making efficient use of lateral temperature waiting roll tables and belongs to the technical field of moderate-thickness plate rolling processes. The moderate-thickness plate temperature-control rolling process is used for rolling two steel plates serving as a group, so as to improve rolling efficiency. The technical scheme is that two steel plates alternately enter and exit from two groups of lateral temperature waiting roll tables, the time for the steel plates to enter and exit from the lateral temperature waiting roll tables is shortened, so that the total transportation time of the temperature waiting steel plates is just equal to the temperature waiting time of the steel plates, and it is guaranteed that the steel plate temperature waiting thickness and the finish rolling temperature meet the process requirements. The moderate-thickness plate temperature-control rolling process breaks through a conventional rolling process of causing a first steel plate to first be conveyed to the second group of lateral temperature waiting roll tables and then conveyed to the first group of lateral temperature waiting roll tables in an existing mode; a transportation path and logical relations of the novel rolling process are simple and efficient, the space of the lateral temperature waiting roll tables is fully utilized; the problems that on-line roll tables are narrow in space and steel plates can only be independently rolled are solved, the on-line rolling of the temperature control steel plates with two in one group and with the length larger than 25 m is achieved, and the rolling rhythm and rolling efficiency are improved.
Description
Technical field
The present invention relates to a kind of cut deal temperature-controlled rolling technique utilizing side to treat warm roller-way, belong to Medium and Heavy Plate Rolling technology field.
Background technology
in order to improve the mechanical performance of cut deal, the controlled rolling technology of cut deal obtains develop rapidly and extensive use, the rolling that controlled rolling technology is about to a block plate is divided into two rolling processes, first rolling process steel plate is in the rolling of austenite recrystallization district, treat that temperature avoids austenite fraction recrystallization zone by intermediate blank, second rolling process steel plate is in the rolling of austenite Unhydrated cement, achieve the refinement of austenite crystal, for the grain refinement of organizing after phase transformation is laid a good foundation, thus improve the mechanical performance of steel plate.
Cut deal singlestandmill, when the steel plate of need of production temperature control, due to the restriction in roller-way space before and after milling train, causes some to need the steel plate rolling inefficiency of temperature-controlled rolling, increases side for this reason and treats that warm roller-way is the effective means improving rolling efficiency.After side treats that warm roller-way is built up, warm roller-way is a new technical problem how effectively to utilize side to treat.Existing rolling mill practice is first piece and treats that warm plate is first gone up second group of side and treated warm roller-way, and then transport to first group of side and treat warm roller-way, extend the off time that upper and lower sides treats warm roller-way, slow rolling rhythm, the effect that warm roller-way is treated in side can not be given full play to, have impact on the raising of production efficiency.Therefore, how to effectively utilize side and treat warm roller-way, accelerate rolling rhythm, enhance productivity, ensure that steel plate treats that temperature thickness and finishing temperature meet technological requirement is technical staff's technical problem urgently to be resolved hurrily simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to provide the cut deal temperature-controlled rolling technique that warm roller-way is treated in a kind of efficiency utilization side, this temperature-controlled rolling technique can solve the space constraints that mill length is greater than roller-way before and after 25m temperature control steel plate, effectively avoid steel plate list to roll to lose time, the path that steel plate upper and lower sides treats warm roller-way can be simplified, reach the time that steel plate upper and lower sides treats warm roller-way that shortens, the effect of saving time of staying temperature, improving rolling rhythm, can also ensure that steel plate treats that temperature thickness and finishing temperature meet technological requirement simultaneously.
The technical scheme solved the problems of the technologies described above is:
A cut deal temperature-controlled rolling technique for warm roller-way is treated in efficiency utilization side, and it comprises two groups of sides and treats warm roller-way, and two groups of sides lay respectively at roller-way side after rolling machine until warm roller-way, and along the arrangement of rolling direction order, two block plate rollings adopt following steps to carry out:
A., after the first block plate rolling completes the first rolling process, after rolling machine, roller-way enters first group of side and treats that warm roller-way treats temperature;
B., after complete first rolling process of the second block plate rolling, cross first group of side from roller-way after rolling machine and treat that warm roller-way region enters into first group of side and treats that second group of side in warm roller-way front treats that warm roller-way treats temperature;
C. enter while second group of side treat warm roller-way at the second block plate, the first block plate gets back to roller-way after rolling machine from first group of side until warm roller-way;
D., when after the first block plate is positioned at rolling machine, roller-way prepares open rolling after rolling machine, the second block plate treats that from second group of side warm roller-way moves on to first group of side and treats that warm roller-way treats temperature;
E. the first block plate completes the second rolling process and transports from roller-way after rolling machine;
F. the first block plate roller-way leaves first group of side after rolling machine behind warm roller-way region, and the second block plate gets back to roller-way after rolling machine from first group of side until warm roller-way, starts the rolling of the second rolling process, releases after completing.
The cut deal temperature-controlled rolling technique of warm roller-way is treated in above-mentioned efficiency utilization side, two groups of sides until warm roller-way away from rolling machine after the side of roller-way three heat inspections are installed respectively, three heat inspections lay respectively at two ends and the centre that warm roller-way is treated in two groups of sides, after rolling machine, the opposite side of roller-way installs three heat inspections respectively, three heat inspections respectively with rolling machine after two groups of sides of roller-way offside treat two ends and the mesophase spherule pair of warm roller-way.
The invention has the beneficial effects as follows:
This invention simplifies steel plate and enter the path for the treatment of warm roller-way with receding side, shorten steel plate and enter the time for the treatment of warm roller-way with receding side, make to treat that total haulage time of warm steel plate equals the time of staying temperature of steel plate just, ensure that the stable of finishing temperature, ensure that steel plate treats that temperature thickness and finishing temperature meet technological requirement.
The present invention's the first block plate breached in present mode is first gone up second group of side and is treated warm roller-way, and then transport to the pair rolling technique that warm roller-way is treated in first group of side, the transportation route of new rolling mill practice and logical relation are simply efficient, compared with existing rolling mill practice, take full advantage of the space that warm roller-way is treated in side, solve online roller-way narrow space, problem that steel plate can only singly roll, achieve temperature control steel plate online two pieces of one group of rollings that length is greater than 25m, improve rolling rhythm and rolling efficiency.
Accompanying drawing explanation
Fig. 1 is that the first block plate enters roller-way after rolling machine;
To be the first block plate enter first group of side from roller-way after rolling machine to Fig. 2 treats warm roller-way;
Fig. 3 is that the second block plate enters roller-way after rolling machine;
To be the second block plate enter second group of side from roller-way after rolling machine to Fig. 4 treats warm roller-way;
Fig. 5 is that the first block plate returns roller-way after rolling machine from first group of side until warm roller-way, and the second block plate treats that from second group of side warm roller-way enters first group of side and treats warm roller-way simultaneously;
Fig. 6 is that the first block plate completes the second rolling process, and after rolling machine, roller-way is transported;
Fig. 7 is that the second block plate returns roller-way after rolling machine from from first group of side until warm roller-way;
Fig. 8 is that the second block plate completes the second rolling process, and after rolling machine, roller-way is transported.
In figure, mark is as follows: first block plate 1, second block plate 2, first group of side is until warm roller-way 3, second group of side roller-way 6,1# heat inspection 7,2# heat inspection 8,3# heat inspection 9,4# heat inspection 10,5# heat inspection 11,6# heat inspection 12 after warm roller-way 4, milling train 5, rolling machine.
Detailed description of the invention
The present invention utilizes side to treat warm roller-way, and set up the static rolling mill practice of a kind of temperature control cut deal two pieces a group, definition steel plate roller-way and side before and after milling train are treated the path of the transport on warm roller-way and waited for flow process, guarantee the stable of rolling rhythm.
Two block plate rollings adopt following steps to carry out:
A., after the first block plate rolling completes the first rolling process, after rolling machine, roller-way enters first group of side and treats that warm roller-way treats temperature;
B., after complete first rolling process of the second block plate rolling, cross first group of side from roller-way after rolling machine and treat that warm roller-way region enters into first group of side and treats that second group of side in warm roller-way front treats that warm roller-way treats temperature;
C. enter while second group of side treat warm roller-way at the second block plate, the first block plate gets back to roller-way after rolling machine from first group of side until warm roller-way;
D., when after the first block plate is positioned at rolling machine, roller-way prepares open rolling after rolling machine, the second block plate treats that from second group of side warm roller-way moves on to first group of side and treats that warm roller-way treats temperature;
E. the first block plate completes the second rolling process and transports from roller-way after rolling machine;
F. the first block plate roller-way leaves first group of side after rolling machine behind warm roller-way region, and the second block plate gets back to roller-way after rolling machine from first group of side until warm roller-way, starts the rolling of the second rolling process, releases after completing.
The present invention two groups of sides until warm roller-way away from rolling machine after the side of roller-way three heat inspections are installed respectively, three heat inspections lay respectively at two ends and the centre that warm roller-way is treated in two groups of sides, after rolling machine, the opposite side of roller-way installs three heat inspections respectively, three heat inspections respectively with rolling machine after two groups of sides of roller-way offside treat two ends and the mesophase spherule pair of warm roller-way.
These heat examine the position being used for detecting steel plate, control the rotating of roller-way, make steel plate upper and lower sides ensure to treat that warm roller-way aligns with side when warm roller-way, prevent away tiltedly.
An operation of rolling of the present invention is as follows:
Fig. 1,2 displays, after the first rolling process of the first block plate 1 completes, the first block plate 1 is carried after milling train 5, and after 2# heat inspection 8 brightens, after the rolling machine shared by the first block plate 1, roller-way 6 stops rotating forward, and rotates backward until 2# heat inspection 8 is gone out with speed 1.5m/s.2# heat inspection 8 is gone out, and illustrates with first group of side, the first block plate 1 treats that warm roller-way 3 aligns.Now first group of side treats that the travelling platform of warm roller-way 3 reaches below the first block plate 1 from low level automatically, first block plate 1 holds up by travelling platform lifting, first block plate 1 is transported to first group of side from roller-way 6 after rolling machine to be treated warm roller-way 3, after travelling platform decline puts in place, the first block plate 1 is treated first group of side warm roller-way 3 swings to treat temperature.
Fig. 3,4 displays, enter while first group of side treat warm roller-way 3 at the first block plate 1, second block plate 2 has started the first rolling process, after the first rolling process of the second block plate 2 completes, second block plate 2 is carried after milling train 5, after 3# heat inspection 9 brightens, after the rolling machine shared by the second block plate 2, roller-way 6 stops rotating forward, and rotates backward until 3# heat inspection 9 is gone out with speed 1.5m/s.3# heat inspection 9 is gone out, illustrate with second group of side, the second block plate 2 treats that warm roller-way 4 aligns, now second group of side treats that the travelling platform of warm roller-way 4 reaches below the second block plate 2 from low level automatically, second block plate 2 holds up by travelling platform lifting, second block plate 2 is transported to second group of side from roller-way 6 after rolling machine to be treated warm roller-way 4, after travelling platform decline puts in place, the second block plate 2 is treated second group of side warm roller-way 4 swings to treat temperature.
Fig. 5 shows, enter while second group of side treat warm roller-way 4 at the second block plate 2, first block plate 1 exits first group of side and treats warm roller-way 3, exiting before first group of side treat warm roller-way 3, whether the first block plate 1 detects the inspection 10 of 4# heat bright, if the inspection 10 of 4# heat is bright, then first group of side treats that warm roller-way 3 treats that to second group of side the direction of warm roller-way 4 is rotated until 4# heat inspection 10 is gone out with speed 1.5m/s, after ensureing alignment, travelling platform starts to transport to roller-way 6 after rolling machine by the first block plate 1, after travelling platform decline puts in place, the first block plate 1 is the second rolling process from the laggard steel of milling train 5.
After travelling platform declines and puts in place, the second block plate 2 treats from second group of side to first group of side, warm roller-way 4 treats that warm roller-way 3 transports, and when 4# heat inspection 10 is bright, the second block plate 2 starts swing and treats temperature.
Fig. 6,7 displays, when the first block plate 1 complete the second rolling process leave first group of side until warm roller-way 3 region time, whether the second block plate 2 detects the inspection 10 of 4# heat bright, if the inspection 10 of 4# heat is bright, then first group of side treats that warm roller-way 3 treats that to second group of side the direction of warm roller-way 4 is rotated until 4# heat inspection 10 is gone out with speed 1.5m/s, and after ensureing alignment, travelling platform starts to transport to roller-way 6 after rolling machine by the second block plate 2, after travelling platform decline puts in place, the second block plate 2 is the second rolling process from the laggard steel of milling train 5.
Fig. 8 shows, and releases after the second block plate 2 completes the second rolling process.
Claims (2)
1. the cut deal temperature-controlled rolling technique of warm roller-way is treated in an efficiency utilization side, it comprises two groups of sides and treats warm roller-way, two groups of sides lay respectively at roller-way (6) side after rolling machine until warm roller-way, along the arrangement of rolling direction order, it is characterized in that: two block plate rollings adopt following steps to carry out:
After first block plate (1) rolling completes the first rolling process, after rolling machine, roller-way (6) enters first group of side and treats that warm roller-way (3) treats temperature;
After complete first rolling process of second block plate (2) rolling, cross first group of side from roller-way after rolling machine (6) and treat that warm roller-way (3) region enters into first group of side and treats that second group of side in warm roller-way (3) front treats that warm roller-way (4) treats temperature;
Enter while second group of side treat warm roller-way (4) at the second block plate (2), the first block plate (1) gets back to roller-way (6) after rolling machine from first group of side until warm roller-way (3);
When after first block plate (1) is positioned at rolling machine, roller-way (6) prepares open rolling after milling train (5) machine, the second block plate (2) treats that from second group of side warm roller-way (4) moves on to first group of side and treats that warm roller-way (3) treats temperature;
First block plate (1) completes the second rolling process and transports from roller-way (6) after rolling machine;
First block plate (1) roller-way (6) leaves first group of side after rolling machine behind warm roller-way (3) region, and the second block plate (3) gets back to roller-way (6) after rolling machine from first group of side until warm roller-way (3), starts the rolling of the second rolling process, releases after completing.
2. the cut deal temperature-controlled rolling technique of warm roller-way is treated in efficiency utilization side according to claim 1, it is characterized in that: two groups of sides until warm roller-way away from rolling machine after the side of roller-way (6) three heat inspections are installed respectively, three heat inspections lay respectively at two ends and the centre that warm roller-way is treated in two groups of sides, after rolling machine, the opposite side of roller-way (6) installs three heat inspections respectively, three heat inspections respectively with rolling machine after two groups of sides of roller-way (6) offside treat two ends and the mesophase spherule pair of warm roller-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331974.2A CN104942026B (en) | 2015-06-16 | 2015-06-16 | A kind of cut deal temperature-controlled rolling technique utilizing side to treat temperature roller-way |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510331974.2A CN104942026B (en) | 2015-06-16 | 2015-06-16 | A kind of cut deal temperature-controlled rolling technique utilizing side to treat temperature roller-way |
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| CN104942026A true CN104942026A (en) | 2015-09-30 |
| CN104942026B CN104942026B (en) | 2016-09-07 |
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| CN201510331974.2A Expired - Fee Related CN104942026B (en) | 2015-06-16 | 2015-06-16 | A kind of cut deal temperature-controlled rolling technique utilizing side to treat temperature roller-way |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637018A (en) * | 2018-05-31 | 2018-10-12 | 北京首钢自动化信息技术有限公司 | A method of prevent two region slabs from colliding in Plate Rolling Process |
| CN110449464A (en) * | 2019-08-08 | 2019-11-15 | 中冶赛迪工程技术股份有限公司 | A kind of extended type Medium and Heavy Plate Rolling technique and its rolling device |
| CN115090669A (en) * | 2022-05-07 | 2022-09-23 | 江苏沙钢集团淮钢特钢股份有限公司 | Efficient bar controlled rolling method |
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| CN101829688A (en) * | 2010-05-28 | 2010-09-15 | 北京科技大学 | Cooling method of heavy and medium plate controlled rolling intermediate blank |
| JP2011143462A (en) * | 2010-01-15 | 2011-07-28 | Jfe Steel Corp | Method for manufacturing thick steel plate |
| CN103143564A (en) * | 2013-03-15 | 2013-06-12 | 济钢集团有限公司 | Batch rolling method and control system based on main and auxiliary roller ways and double-rack four-high mill |
| CN204320810U (en) * | 2014-12-16 | 2015-05-13 | 中冶赛迪工程技术股份有限公司 | Large gauge rolled piece temperature-controlled rolling line in one |
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2015
- 2015-06-16 CN CN201510331974.2A patent/CN104942026B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1059676A (en) * | 1991-08-01 | 1992-03-25 | 冶金工业部钢铁研究总院 | Cut deal controlled rolling slab is treated warm method and apparatus |
| CN101658870A (en) * | 2009-09-16 | 2010-03-03 | 北京理工大学 | Optimization method of rolling rhythm of single-stand four-high rolling mill |
| JP2011143462A (en) * | 2010-01-15 | 2011-07-28 | Jfe Steel Corp | Method for manufacturing thick steel plate |
| CN101829688A (en) * | 2010-05-28 | 2010-09-15 | 北京科技大学 | Cooling method of heavy and medium plate controlled rolling intermediate blank |
| CN103143564A (en) * | 2013-03-15 | 2013-06-12 | 济钢集团有限公司 | Batch rolling method and control system based on main and auxiliary roller ways and double-rack four-high mill |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637018A (en) * | 2018-05-31 | 2018-10-12 | 北京首钢自动化信息技术有限公司 | A method of prevent two region slabs from colliding in Plate Rolling Process |
| CN108637018B (en) * | 2018-05-31 | 2019-10-08 | 北京首钢自动化信息技术有限公司 | A method of prevent two region slabs from colliding in Plate Rolling Process |
| CN110449464A (en) * | 2019-08-08 | 2019-11-15 | 中冶赛迪工程技术股份有限公司 | A kind of extended type Medium and Heavy Plate Rolling technique and its rolling device |
| CN115090669A (en) * | 2022-05-07 | 2022-09-23 | 江苏沙钢集团淮钢特钢股份有限公司 | Efficient bar controlled rolling method |
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| CN104942026B (en) | 2016-09-07 |
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Address after: No. 232, Fuxing Road, Fuxing District, Handan, Hebei Province Patentee after: River steel Limited by Share Ltd Handan branch Address before: 056015 Fuxing Road 232, Hebei, Handan Patentee before: Handan Branch Company of Hebei Iron and Steel Co., Ltd. |
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Granted publication date: 20160907 Termination date: 20200616 |