CN104428074A - Control device and control method for thick plate multi-rolling - Google Patents
Control device and control method for thick plate multi-rolling Download PDFInfo
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- CN104428074A CN104428074A CN201280074500.9A CN201280074500A CN104428074A CN 104428074 A CN104428074 A CN 104428074A CN 201280074500 A CN201280074500 A CN 201280074500A CN 104428074 A CN104428074 A CN 104428074A
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- Prior art keywords
- rolling
- multistrand
- pattern
- stock
- slab
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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
- B21B1/30—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 non-continuous process
- B21B1/32—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 non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
Abstract
Provided is a control device for thick plate multi-rolling that can improve productivity for rolled material. Thus, the control device for thick plate multi-rolling is provided with a multi-rolling pattern selection function that has a plurality of multi-rolling patterns set in advance and selects a multi-rolling pattern with the highest possible production efficiency among the plurality of multi-rolling patterns with consideration of rolling performance values during rolling. With this constitution, the multi-rolling pattern with the greatest production efficiency is selected in real time. As a result, productivity for rolled material is improved.
Description
Technical field
The present invention relates to control device and the control method of slab multistrand rolling.
Background technology
In the roll line of slab, carry out TCR rolling (temperature controlled rolling: TemperatureControlled Rolling).In TCR rolling, in the operation of rolling, be provided with cooling stand-by time.Consequently, the material that high tension steel etc. is desired can be obtained.
Multistrand rolling is applied in TCR rolling stock.In multistrand rolling, in the cooling stand-by time of rolling stock, other rolling stock is rolled.That is, carry out the rolling mill practice being combined with plural rolling stock simultaneously.
In the control of multistrand rolling, propose following technology: when being rolled as one group by two rolling stocks, by adjusting the thickness of slab of each rolling stock after a rolling in the scope that can meet target materials, to make total rolling time of two rolling stocks the shortest (such as with reference to patent document 1).
Prior art document
Patent document
Patent document 1: Japanese Patent Laid-Open 2005-246427 publication
Summary of the invention
Invent technical problem to be solved
But, do not consider the actual conditions of rolling in the scheme recorded in patent document 1.Therefore, the leeway be also improved in the productivity of rolling stock.
The present invention completes to solve the problem, and its object is to provides a kind of control device and the control method that can improve the productive slab multistrand rolling of rolling stock.
The technical scheme that technical solution problem adopts
The control device of slab multistrand rolling involved in the present invention possesses multistrand rolling model selection function, this multistrand rolling model selection function is preset with multiple multistrand rolling pattern, and from described multiple multistrand rolling pattern, selects the rolling actual value in consideration rolling and the most much higher line rolling mode of attainable production efficiency.
The control method of slab multistrand rolling of the present invention comprises: setting operation, and this setting operation sets multiple multistrand rolling pattern; And selection operation, the multistrand rolling pattern that this selection operation production efficiency of selecting to consider rolling actual value in rolling and can realize from described multiple multistrand rolling pattern is best.
Invention effect
According to the present invention, the productivity of rolling stock can be improved.
Accompanying drawing explanation
Fig. 1 is the structure chart of the heavy plate rolling line of the control device of the slab multistrand rolling that make use of embodiment of the present invention 1.
Fig. 2 is to make the figure of the optimized method of multistrand rolling pattern for illustration of the control device of the slab multistrand rolling utilizing embodiment of the present invention 1.
Fig. 3 is the structure chart of the heavy plate rolling line of the control device of the slab multistrand rolling that make use of embodiment of the present invention 2.
Fig. 4 is the structure chart of the heavy plate rolling line of the control device of the slab multistrand rolling that make use of embodiment of the present invention 3.
Fig. 5 is the figure adjusting the method in the moment of extracting rolling stock from heating furnace for illustration of the control device of the slab multistrand rolling utilizing embodiment of the present invention 3.
Detailed description of the invention
With reference to the accompanying drawings, be described for implementing embodiments of the present invention.In addition, in the drawings and in which, identical label is marked for same or equivalent part, and suitably simplify or omit its repeat specification.
Embodiment 1.
Fig. 1 is the structure chart of the heavy plate rolling line of the control device of the slab multistrand rolling that make use of embodiment of the present invention 1.
In Fig. 1, be provided with the first carrying device 2 in the downstream of heating furnace 1.The downstream of the first carrying device 2 is provided with roll mill 3.The downstream of roll mill 3 is provided with the second carrying device 4.The downstream of the second carrying device 4 is provided with cold bed 5.
First carrying device 2 is connected with the first carrying device drive unit 2a.Roll mill 3 is connected with roll mill drive unit 3a.Second carrying device 4 is connected with the second carrying device drive unit 4a.
First carrying device 2 is provided with the first carrying device sensor 2b.Roll mill 3 is provided with roll mill sensor 3b.Second carrying device 4 is provided with the second carrying device sensor 4b.
Conveyance controlling functions 6 possesses the function controlled the first carrying device drive unit 2a, roll mill drive unit 3a, the second carrying device drive unit 4a.Conveyance controlling functions 6 possesses the function exported the rolling actual value obtained from the first carrying device sensor 2b, roll mill sensor 3b, the second carrying device sensor 4b.
Pass schedule (pass schedule) setup algorithm function 7 possesses the setup algorithm value calculating rolling time, each rolling stock such as cooling stand-by time, length of material etc., and exports the function of this setup algorithm value.Pass schedule setup algorithm function 7 possesses the function utilizing the feedback of the rolling actual value exported by conveyance controlling functions 6 successively to revise setup algorithm value.
Slab multistrand rolling operation optimized control device 8 possesses multistrand rolling model selection function 9 and multistrand rolling management function 10.
The multistrand rolling pattern that multistrand rolling selection function 9 sets the quantity of object rolling stock different is used as multiple multistrand rolling pattern.Multistrand rolling model selection function 9 possesses following function: namely, based on the setup algorithm value of each rolling stock obtained from pass schedule setup algorithm function 7 and the feedback of rolling actual value, select in attainable multistrand rolling pattern one by one, the most much higher line rolling mode of production efficiency.
Multistrand rolling management function 10 possesses setup algorithm value management department 11, rolling mill practice management department 12.
Setup algorithm value management department 11 possesses the setup algorithm value of each rolling stock obtained from pass schedule setup algorithm function 7 is associated the function carrying out managing with each rolling stock.Rolling mill practice management department 12 possesses following function: namely, in each stage of rolling mill practice, based on the multistrand rolling obtained from multistrand rolling selection function 9 and the setup algorithm value information obtained from setup algorithm value management department 11, the technique of each rolling stock (rolling, conveyance, standby etc.) is managed, and instruction is exported to conveyance controlling functions 6.
Then, utilize Fig. 2 to illustrate and make the optimized method of multistrand rolling.
Fig. 2 is to make the figure of the optimized method of multistrand rolling pattern for illustration of the control device of the slab multistrand rolling utilizing embodiment of the present invention 1.
The transverse axis of Fig. 2 represents the position relationship of roll mill 3 and rolling stock.The longitudinal axis of Fig. 2 represents the time.In Fig. 2, show the example of multistrand rolling pattern of A material, B material, C material, D material.
First, pass schedule setup algorithm function 7 is utilized to calculate the setup algorithm value of A material, B material, C material.In this case, as shown in Fig. 2 (a), multistrand rolling model selection function 9 obtains the initial set mode of multistrand rolling based on this setup algorithm value.
In this multistrand rolling pattern, as shown in Fig. 2 (b), for C material, the rolling time become before cooling holding state is set shorter than initial set mode.In this case, do not use roll mill 3 lose time 13 to be extended.
Now, multistrand rolling model selection function 9 13 takes the multistrand rolling pattern that judges to add D material into account as no optimum by losing time.When the multistrand rolling pattern of adding D material is optimum, as shown in Fig. 2 (c), multistrand rolling selection function 9 selects the multistrand rolling pattern that with the addition of D material.
According to embodiment 1 described above, select in real time to consider rolling actual value and the most much higher line rolling mode of attainable production efficiency.Specifically, the multistrand rolling pattern selecting the quantity of rolling stock maximum from considering rolling actual value attainable multistrand rolling pattern.Therefore, the productivity of rolling stock can be improved under the prerequisite not reducing rolling stock quality.
In addition, as shown in Fig. 2 (c) after optimization, the time longer than calculated value may be spent to the rolling of C material.In this case, multistrand rolling model selection function 9 is judged to not extract D material.Therefore, D material can not be wasted.Consequently, the productivity of rolling stock can be improved.
Embodiment 2.
Fig. 3 is the structure chart of the heavy plate rolling line of the control device of the slab multistrand rolling that make use of embodiment of the present invention 2.In addition, identical label is marked for the part same or equivalent with embodiment 1, and the description thereof will be omitted.
As shown in Figure 3, the slab multistrand rolling operation optimized control device 8 of embodiment 2 with the addition of setup algorithm value adjustment function 14 in the slab multistrand rolling operation optimized control device 8 of embodiment 1.
Setup algorithm value adjustment function 14 possesses following function: namely, by in the scope of material that can obtain target rolling stock to the standby end temp of cooling, standby time the setup algorithm value such as thickness of slab change, thus determine whether to make multistrand rolling pattern optimization further.
Make in the further optimized situation of multi-thread milling train pattern by change setting calculated value, setup algorithm value adjustment function 14 pairs of setup algorithm values adjust.This setup algorithm value is fed back to pass schedule setup algorithm function 7.Pass schedule setup algorithm function 7 is revised other setup algorithm value based on this setup algorithm value, to obtain the material of target rolling stock.
According to embodiment 2 described above, the productivity of rolling stock can be improved further by adding setup algorithm value adjustment function 14.
Embodiment 3.
Fig. 4 is the structure chart of the heavy plate rolling line of the control device of the slab multistrand rolling that make use of embodiment of the present invention 3.In addition, identical label is marked for the part same or equivalent with embodiment 1, and the description thereof will be omitted.
As shown in Figure 4, the slab multistrand rolling operation optimized control device 8 of embodiment 3 with the addition of milling train speed-regulating function 15 in the slab multistrand rolling operation optimized control device 8 of embodiment 1.
Milling train speed-regulating function 15 possesses following function: namely, on the basis realizing the multistrand rolling pattern calculated by multistrand rolling model selection function 9, calculates the most suitable moment extracting rolling stock from heating furnace 1.
Then, Fig. 5 is utilized to illustrate the action of milling train speed-regulating function 15.
Fig. 5 is the figure adjusting the method in the moment extracting rolling stock from heating furnace for illustration of the control device of the slab multistrand rolling utilizing embodiment of the present invention 3.
The horizontal axis representing time of Fig. 5.Fig. 5 (a) illustrates and extracts the situation of the first to the five rolling stock in the good moment.Fig. 5 (b) illustrates and extracts the situation of the 3rd rolling stock in the moment comparatively early.
Rolling time 16, cooling stand-by time 17, reroll time 18 are set to each rolling stock.When the moment of extracting each rolling stock is good, as shown in Fig. 5 (a), a rolling time 16 of each rolling stock, reroll time 18, a rolling time 16 of other rolling stock, reroll time 18 can not overlap.Therefore, predetermined multistrand rolling can be carried out.
On the other hand, if as shown in Fig. 5 (b), the extraction moment of the 3rd rolling stock, comparatively early then a rolling time 16 of the 5th rolling stock overlapped with the reroll time 18 of the 3rd rolling stock.Therefore, the enough time for being rolled with predefined procedure cannot be guaranteed.In this case, cannot be rolled with most suitable multistrand rolling pattern.Consequently, need to give up the rolling stock extracted.
When the moment different from setting extracts rolling stock, milling train speed-regulating function 15 calculates the most suitable moment of extracting follow-up rolling stock, thus is rolled with most suitable multistrand rolling pattern.In this case, the rolling stock of extraction and follow-up rolling time 16, cooling stand-by time 17, the relation of reroll time 18 is considered to have completed.Specifically, calculate the moment that follow-up rolling stock is extracted, do not overlap with a rolling time 16 of other rolling stock, reroll time 18 to make each rolling stock rolling time 16, reroll time 18.
When Fig. 5 (b), the moment of extraction the 5th rolling stock is revised, to make the rolling time 16 setting the 5th rolling stock after the reroll time 18 of the 3rd rolling stock immediately.Consequently, multistrand rolling is continued, and without the need to giving up rolling stock.
According to embodiment 3 described above, by adding milling train speed-regulating function 15, even if thus when the moment different from the moment set by multistrand rolling pattern extracts rolling stock from heating furnace 1, also yield rate can be improved further.
Industrial practicality
As mentioned above, the control device of slab multistrand rolling involved in the present invention and control method can be used for the productive slab multistrand rolling improving rolling stock.
Label declaration
1 heating furnace, 2 first carrying devices, 2a first carrying device drive unit,
2b first carrying device sensor, 3 roll mills, 3a roll mill drive unit,
3b roll mill sensor, 4 second carrying devices, 4a second carrying device drive unit,
4b second carrying device sensor, 5 cold beds, 6 conveyance controlling functions,
7 pass schedule setup algorithm functions,
8 slab multistrand rolling operation optimized control devices,
9 multistrand rolling model selection functions, 10 multistrand rolling management functions,
11 setup algorithm value management departments, 12 rolling mill practice management departments, 13 lose time,
14 setup algorithm values adjustment functions, 15 milling train speed-regulating functions, 16 rolling times,
17 cooling stand-by times, 18 reroll times.
Claims (8)
1. a control device for thickness of slab multistrand rolling, is characterized in that,
Possesses multistrand rolling model selection function, this multistrand rolling model selection function is preset with multiple multistrand rolling pattern, and from described multiple multistrand rolling pattern, selects the rolling actual value in consideration rolling and the most much higher line rolling mode of attainable production efficiency.
2. the control device of slab multistrand rolling as claimed in claim 1, it is characterized in that, the multistrand rolling pattern that described multistrand rolling model selection function setting has the quantity of object rolling stock different is used as described multiple multistrand rolling pattern, the multistrand rolling pattern selecting the quantity of rolling stock maximum in attainable multistrand rolling pattern from the rolling actual value considered rolling.
3. slab multistrand rolling control device as claimed in claim 1 or 2, is characterized in that,
Possesses setup algorithm value adjustment function, this setup algorithm value adjustment setup algorithm value of function in the multistrand rolling pattern by selecting utilizing described multistrand rolling model selection function changes and select production efficiency more much higher line rolling mode, setup algorithm value is adjusted.
4. the control device of the slab multistrand rolling as described in any one of claims 1 to 3, is characterized in that,
Possesses milling train speed-regulating function, this milling train speed-regulating function is when with when utilizing described multistrand rolling model selection function and different moment in moment set by the multistrand rolling pattern selected extracts rolling stock from heating furnace, calculate the moment of extracting follow-up rolling stock from described heating furnace, do not overlap with the rolling time of follow-up rolling stock to make the rolling time of the rolling stock extracted.
5. a control method for slab multistrand rolling, is characterized in that, comprising:
Setting operation, this setting operation sets multiple multistrand rolling pattern; And
Select operation, the most much higher line rolling mode of production efficiency that this selection operation is selected the rolling actual value in consideration rolling and can be realized from described multiple multistrand rolling pattern.
6. the control method of slab multistrand rolling as claimed in claim 5, is characterized in that,
Described setting operation is made up of following operation: namely, and the multistrand rolling pattern that the quantity of setting object rolling stock is different is used as described multiple multistrand rolling pattern,
Described selection operation is made up of following operation: namely, the multistrand rolling pattern selecting the quantity of rolling stock maximum in the multistrand rolling pattern that can realize from the rolling actual value considered rolling.
7. the slab multistrand rolling control method as described in claim 5 or 6, is characterized in that,
Possess adjustment operation, this adjustment operation, when selecting the more much higher line rolling mode of production efficiency by the setup algorithm value changed in the multistrand rolling pattern selected by described selection operation, adjusts setup algorithm value.
8. the control method of the slab multistrand rolling as described in any one of claim 5 to 7, is characterized in that,
Possesses calculation process, this calculation process is when with when utilizing described multistrand rolling model selection function and different moment in moment set by the multistrand rolling pattern selected extracts rolling stock from heating furnace, calculate the moment of extracting follow-up rolling stock from described heating furnace, do not overlap with the rolling time of follow-up rolling stock to make the rolling time of the rolling stock extracted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/067087 WO2014006702A1 (en) | 2012-07-04 | 2012-07-04 | Control device and control method for thick plate multi-rolling |
Publications (2)
| Publication Number | Publication Date |
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| CN104428074A true CN104428074A (en) | 2015-03-18 |
| CN104428074B CN104428074B (en) | 2016-10-12 |
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| Country | Link |
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| JP (1) | JP5907264B2 (en) |
| KR (1) | KR101633579B1 (en) |
| CN (1) | CN104428074B (en) |
| BR (1) | BR112014032545B1 (en) |
| WO (1) | WO2014006702A1 (en) |
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| WO2018117758A1 (en) * | 2016-12-22 | 2018-06-28 | 주식회사 포스코 | Thick plate multi-rolling device and method for controlling same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57159203A (en) * | 1981-03-26 | 1982-10-01 | Sumitomo Metal Ind Ltd | Rolling method for thick plate |
| JPH0760320A (en) * | 1993-08-26 | 1995-03-07 | Nippon Steel Corp | Method for rolling thick plate |
| JP2003181504A (en) * | 2001-12-11 | 2003-07-02 | Nippon Steel Corp | Method for rolling thick steel plate |
| JP2003305508A (en) * | 2002-04-08 | 2003-10-28 | Jfe Steel Kk | Method for determining outline of rolling |
| JP2007283316A (en) * | 2006-04-13 | 2007-11-01 | Nippon Steel Corp | Method for producing thick steel plate |
| CN102015136A (en) * | 2008-05-07 | 2011-04-13 | 东芝三菱电机产业系统株式会社 | Board thickness controller for rolling machine |
| CN102218450A (en) * | 2010-04-13 | 2011-10-19 | 东芝三菱电机产业系统株式会社 | Control device of fine-finishing continuous rolling mill, control method and control mode generating method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3302809B2 (en) * | 1993-12-27 | 2002-07-15 | 株式会社東芝 | Extraction pitch determination device in hot continuous rolling system |
| JPH08155513A (en) * | 1994-12-02 | 1996-06-18 | Kobe Steel Ltd | Mill pacing method |
| JP2005246427A (en) | 2004-03-04 | 2005-09-15 | Nippon Steel Corp | Method for rolling slab |
| JP4853000B2 (en) * | 2005-09-12 | 2012-01-11 | Ｊｆｅスチール株式会社 | Hot rolling method and hot rolling equipment used therefor |
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2012
- 2012-07-04 BR BR112014032545-6A patent/BR112014032545B1/en active IP Right Grant
- 2012-07-04 JP JP2014523481A patent/JP5907264B2/en active Active
- 2012-07-04 CN CN201280074500.9A patent/CN104428074B/en active Active
- 2012-07-04 KR KR1020147035561A patent/KR101633579B1/en active IP Right Grant
- 2012-07-04 WO PCT/JP2012/067087 patent/WO2014006702A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57159203A (en) * | 1981-03-26 | 1982-10-01 | Sumitomo Metal Ind Ltd | Rolling method for thick plate |
| JPH0760320A (en) * | 1993-08-26 | 1995-03-07 | Nippon Steel Corp | Method for rolling thick plate |
| JP2003181504A (en) * | 2001-12-11 | 2003-07-02 | Nippon Steel Corp | Method for rolling thick steel plate |
| JP2003305508A (en) * | 2002-04-08 | 2003-10-28 | Jfe Steel Kk | Method for determining outline of rolling |
| JP2007283316A (en) * | 2006-04-13 | 2007-11-01 | Nippon Steel Corp | Method for producing thick steel plate |
| CN102015136A (en) * | 2008-05-07 | 2011-04-13 | 东芝三菱电机产业系统株式会社 | Board thickness controller for rolling machine |
| CN102218450A (en) * | 2010-04-13 | 2011-10-19 | 东芝三菱电机产业系统株式会社 | Control device of fine-finishing continuous rolling mill, control method and control mode generating method |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112014032545B1 (en) | 2022-02-22 |
| JPWO2014006702A1 (en) | 2016-06-02 |
| KR101633579B1 (en) | 2016-06-24 |
| CN104428074B (en) | 2016-10-12 |
| WO2014006702A1 (en) | 2014-01-09 |
| JP5907264B2 (en) | 2016-04-26 |
| KR20150011837A (en) | 2015-02-02 |
| BR112014032545A2 (en) | 2017-06-27 |
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