WO2014006702A1 - 厚板マルチローリングの制御装置及び制御方法 - Google Patents
厚板マルチローリングの制御装置及び制御方法 Download PDFInfo
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- WO2014006702A1 WO2014006702A1 PCT/JP2012/067087 JP2012067087W WO2014006702A1 WO 2014006702 A1 WO2014006702 A1 WO 2014006702A1 JP 2012067087 W JP2012067087 W JP 2012067087W WO 2014006702 A1 WO2014006702 A1 WO 2014006702A1
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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
Definitions
- the present invention relates to a thick plate multi-rolling control device and control method.
- TCR rolling temperature controlled rolling
- a cooling standby time is provided during rolling.
- a desired material such as high-strength steel can be obtained.
- Multi-rolling is applied to TCR rolled material.
- other rolled material is rolled during the cooling standby time of the rolled material. That is, a rolling process in which two or more rolled materials are combined proceeds simultaneously.
- the present invention has been made to solve the above-described problems, and an object thereof is to provide a thick plate multi-rolling control device and control method capable of improving the productivity of rolled material.
- the control device for thick plate multi-rolling according to the present invention has a plurality of multi-rolling patterns set in advance, and among the plurality of multi-rolling patterns, the most productive efficiency that can be realized in consideration of the actual rolling value during rolling.
- a multi-rolling pattern selection function for selecting a multi-rolling pattern is provided.
- the thick plate multi-rolling control method includes a setting step for setting a plurality of multi-rolling patterns, and among the plurality of multi-rolling patterns, the most productive efficiency that can be realized in consideration of a rolling actual value during rolling. And a selection step for selecting a good multi-rolling pattern.
- the productivity of the rolled material can be improved.
- FIG. FIG. 1 is a configuration diagram of a thick plate rolling line in which a control device for thick plate multi-rolling according to Embodiment 1 of the present invention is used.
- a first transfer device 2 is provided on the downstream side of the heating furnace 1.
- a rolling mill 3 is provided on the downstream side of the first conveying device 2.
- a second conveying device 4 is provided on the downstream side of the rolling mill 3.
- a cooling bed 5 is provided on the downstream side of the second transfer device 4.
- the first transport device 2 is connected to a first transport device drive device 2a.
- the rolling mill 3 is connected to a rolling mill driving device 3a.
- the second transport device 4 is connected to a second transport device drive device 4a.
- the first transport device 2 is provided with a first transport device sensor 2b.
- the rolling mill 3 is provided with a rolling mill sensor 3b.
- the second transport device 4 is provided with a second transport device sensor 4b.
- the transport control function 6 has a function of controlling the first transport device drive device 2a, the rolling mill drive device 3a, and the second transport device drive device 4a.
- the conveyance control function 6 has a function of outputting the actual rolling value obtained from the first conveyance device sensor 2b, the rolling mill sensor 3b, and the second conveyance device sensor 4b.
- the pass schedule setting calculation function 7 has a function of calculating setting calculation values of each rolled material such as rolling time, cooling standby time, material length, and the like, and outputting the setting calculation values.
- the pass schedule setting calculation function 7 has a function of sequentially correcting the setting calculation value based on the feedback of the actual rolling value output by the conveyance control function 6.
- the thick plate multi-rolling operation optimization control device 8 includes a multi-rolling pattern selection function 9 and a multi-rolling management function 10.
- the multi-rolling pattern selection function 9 sets a multi-rolling pattern having a different number of target rolling materials as a plurality of multi-rolling patterns.
- the multi-rolling pattern selection function 9 has the highest production efficiency among the multi-rolling patterns that can be realized based on the setting calculation value of each rolled material obtained from the pass schedule setting calculation function 7 and the feedback of the actual rolling value.
- a function of sequentially selecting a multi-rolling pattern and outputting the multi-rolling pattern is provided.
- the multi-rolling management function 10 includes a set calculation value management unit 11 and a rolling process management unit 12.
- the set calculation value management unit 11 has a function of managing the set calculation value of each rolled material obtained from the pass schedule setting calculation function 7 in association with each rolled material.
- the rolling process management unit 12 is based on the multi-rolling pattern obtained from the multi-rolling pattern selection function 9 and the setting calculation value information obtained from the setting calculation value management unit 11 at each stage of the rolling process. It has a function of managing processes (rolling, conveyance, standby, etc.) and outputting instructions to the conveyance control function 6.
- FIG. 2 is a diagram for explaining a method of optimizing a multi-rolling pattern using the thick plate multi-rolling control apparatus according to Embodiment 1 of the present invention.
- FIG. 2 represents the positional relationship between the rolling mill 3 and the rolled material.
- the vertical axis in FIG. 2 represents time.
- FIG. 2 the example of the multi rolling pattern of A material, B material, C material, and D material is represented.
- the pass schedule setting calculation function 7 calculates setting calculation values for the A material, the B material, and the C material.
- the multi-rolling pattern selection function 9 obtains an initial setting pattern for multi-rolling based on the setting calculation value.
- the multi-rolling pattern selection function 9 determines whether the multi-rolling pattern to which the D material is added is optimal in consideration of the dead time 13. When the multi-rolling pattern to which the D material is added is optimum, as shown in FIG. 2C, the multi-rolling pattern selection function 9 selects the multi-rolling pattern to which the D material is added.
- the multi-rolling pattern with the highest production efficiency that can be realized in consideration of the actual rolling value is selected in real time. Specifically, the multi-rolling pattern with the largest number of rolled materials is selected from the multi-rolling patterns that can be realized in consideration of the actual rolling value. For this reason, the productivity of the rolled material can be improved without degrading the quality of the rolled material.
- the rolling of the C material may take longer than the calculated value.
- the multi-rolling pattern selection function 9 determines that the D material is not extracted. For this reason, D material is not wasted. As a result, the productivity of the rolled material can be improved.
- FIG. FIG. 3 is a configuration diagram of a thick plate rolling line in which the control device for thick plate multi-rolling according to Embodiment 2 of the present invention is used.
- symbol is attached
- the thick plate multi-rolling operation optimization control device 8 of the second embodiment is obtained by adding a set calculation value adjustment function 14 to the thick plate multi-rolling operation optimization control device 8 of the first embodiment. It is.
- the set calculation value adjustment function 14 further optimizes the multi-rolling pattern by changing the set calculation values such as the cooling standby end temperature and the plate thickness during standby within the range in which the target material of the rolled material can be obtained.
- a function for determining whether or not can be realized is provided.
- the setting calculation value adjustment function 14 adjusts the setting calculation value.
- the setting calculation value is fed back to the path schedule setting calculation function 7.
- the pass schedule setting calculation function 7 corrects other setting calculation values so as to obtain a target material of the rolled material.
- the productivity of the rolled material can be further improved by adding the set calculation value adjustment function 14.
- FIG. FIG. 4 is a configuration diagram of a thick plate rolling line in which the control device for thick plate multi-rolling according to Embodiment 3 of the present invention is used.
- symbol is attached
- the thick plate multi-rolling operation optimization control device 8 of the third embodiment is obtained by adding a mill pacing function 15 to the thick plate multi-rolling operation optimization control device 8 of the first embodiment. .
- the mill pacing function 15 has a function of calculating an optimum timing for extracting the rolled material from the heating furnace 1 in order to realize the multi-rolling pattern obtained by the multi-rolling pattern selection function 9.
- FIG. 5 is a diagram for explaining a method of adjusting the timing for extracting the rolling material from the heating furnace using the thick plate multi-rolling control apparatus according to Embodiment 3 of the present invention.
- FIG. 5A shows a case where the first to fifth rolled materials are extracted at good timing.
- FIG.5 (b) shows the case where the 3rd rolling material is extracted at an early timing.
- the primary rolling time 16, the cooling standby time 17, and the secondary rolling time 18 are set for each rolled material.
- the timing for extracting each rolled material is good, as shown in FIG. 5A, the primary rolling time 16 and the secondary rolling time 18 of each rolled material are the primary rolling time 16 of other rolled materials, Does not overlap with secondary rolling time 18. For this reason, it is possible to perform multi-rolling as scheduled.
- the mill pacing function 15 calculates the optimal timing for extracting the subsequent rolled material so as to perform rolling with an optimal multi-rolling pattern.
- the relationship between the already extracted rolled material and the subsequent primary rolling time 16, cooling standby time 17, and secondary rolling time 18 is considered.
- the subsequent rolling material is extracted so that the primary rolling time 16 and the secondary rolling time 18 of each rolled material do not overlap with the primary rolling time 16 and the secondary rolling time 18 of other rolled materials. Timing is calculated.
- the yield is increased. It can be improved further.
- control device and control method for thick plate multi-rolling according to the present invention can be used for thick plate multi-rolling for improving the productivity of rolled material.
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Description
図1はこの発明の実施の形態1における厚板マルチローリングの制御装置が利用された厚板圧延ラインの構成図である。
図2はこの発明の実施の形態1における厚板マルチローリングの制御装置を利用してマルチローリングパターンを最適化する方法を説明するための図である。
図3はこの発明の実施の形態2における厚板マルチローリングの制御装置が利用された厚板圧延ラインの構成図である。なお、実施の形態1と同一又は相当部分には同一符号を付して説明を省略する。
図4はこの発明の実施の形態3における厚板マルチローリングの制御装置が利用された厚板圧延ラインの構成図である。なお、実施の形態1と同一又は相当部分には同一符号を付して説明を省略する。
図5はこの発明の実施の形態3における厚板マルチローリングの制御装置を利用して加熱炉から圧延材を抽出するタイミングを調整する方法を説明するための図である。
2b 第1搬送装置用センサ、 3 圧延機、 3a 圧延機用駆動装置、
3b 圧延機用センサ、 4 第2搬送装置、 4a 第2搬送装置用駆動装置、
4b 第2搬送装置用センサ、 5 冷却床、 6 搬送制御機能、
7 パススケジュール設定計算機能、
8 厚板マルチローリング操業最適化制御装置、
9 マルチローリングパターン選択機能、 10 マルチローリング管理機能、
11 設定計算値管理部、 12 圧延プロセス管理部、 13 無駄時間、
14 設定計算値調整機能、 15 ミルペーシング機能、 16 1次圧延時間、
17 冷却待機時間、 18 2次圧延時間
Claims (8)
- 複数のマルチローリングパターンが予め設定され、前記複数のマルチローリングパターンのうち、圧延中の圧延実績値を考慮して実現し得る最も生産効率のよいマルチローリングパターンを選択するマルチローリングパターン選択機能、
を備えたことを特徴とする厚板マルチローリングの制御装置。 - 前記マルチローリングパターン選択機能は、前記複数のマルチローリングパターンとして、対象の圧延材の数が異なるマルチローリングパターンが設定され、圧延中の圧延実績値を考慮して実現し得るマルチローリングパターンの中から圧延材の数が最も多いマルチローリングパターンを選択することを特徴とする請求項1記載の厚板マルチローリングの制御装置。
- 前記マルチローリングパターン選択機能により選択されたマルチローリングパターンにおける設定計算値を変更することによりさらに生産効率のよいマルチローリングパターンを選択し得る場合に、設定計算値を調整する設定計算値調整機能、
を備えたことを特徴とする請求項1又は請求項2に記載の厚板マルチローリングの制御装置。 - 前記マルチローリングパターン選択機能により選択されたマルチローリングパターンで設定されたタイミングとは異なるタイミングで加熱炉から圧延材が抽出された場合に、既に抽出済みの圧延材の圧延時間と後続の圧延材の圧延時間とが重ならないように、前記加熱炉から後続の圧延材を抽出するタイミングを計算するミルペーシング機能、
を備えたことを特徴とする請求項1~請求項3のいずれか1項に記載の厚板マルチローリングの制御装置。 - 複数のマルチローリングパターンを設定する設定工程と、
前記複数のマルチローリングパターンのうち、圧延中の圧延実績値を考慮して実現し得る最も生産効率のよいマルチローリングパターンを選択する選択工程と、
を備えたことを特徴とする厚板マルチローリングの制御方法。 - 前記設定工程は、前記複数のマルチローリングパターンとして、対象の圧延材の数が異なるマルチローリングパターンを設定する工程からなり、
前記選択工程は、圧延中の圧延実績値を考慮して実現し得るマルチローリングパターンの中から圧延材の数が最も多いマルチローリングパターンを選択する工程からなることを特徴とする請求項5記載の厚板マルチローリングの制御方法。 - 前記選択工程で選択されたマルチローリングパターンにおける設定計算値を変更することによりさらに生産効率のよいマルチローリングパターンを選択し得る場合に、設定計算値を調整する調整工程、
を備えたことを特徴とする請求項5又は請求項6に記載の厚板マルチローリングの制御方法。 - 前記マルチローリングパターン選択機能により選択されたマルチローリングパターンで設定されたタイミングとは異なるタイミングで加熱炉から圧延材が抽出された場合に、既に抽出済みの圧延材の圧延時間と後続の圧延材の圧延時間とが重ならないように、前記加熱炉から後続の圧延材を抽出するタイミングを計算する計算工程、
を備えたことを特徴とする請求項5~請求項7のいずれか1項に記載の厚板マルチローリングの制御方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/067087 WO2014006702A1 (ja) | 2012-07-04 | 2012-07-04 | 厚板マルチローリングの制御装置及び制御方法 |
| KR1020147035561A KR101633579B1 (ko) | 2012-07-04 | 2012-07-04 | 후판 멀티 롤링의 제어 장치 및 제어 방법 |
| JP2014523481A JP5907264B2 (ja) | 2012-07-04 | 2012-07-04 | 厚板マルチローリングの制御装置及び制御方法 |
| BR112014032545-6A BR112014032545B1 (pt) | 2012-07-04 | 2012-07-04 | Dispositivo de controle e método de controle para multienrolamento de placa espessa |
| CN201280074500.9A CN104428074B (zh) | 2012-07-04 | 2012-07-04 | 厚板多线轧制的控制装置及控制方法 |
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|---|---|---|---|
| PCT/JP2012/067087 WO2014006702A1 (ja) | 2012-07-04 | 2012-07-04 | 厚板マルチローリングの制御装置及び制御方法 |
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| WO2014006702A1 true WO2014006702A1 (ja) | 2014-01-09 |
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| JP (1) | JP5907264B2 (ja) |
| KR (1) | KR101633579B1 (ja) |
| CN (1) | CN104428074B (ja) |
| BR (1) | BR112014032545B1 (ja) |
| WO (1) | WO2014006702A1 (ja) |
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| WO2018117758A1 (ko) * | 2016-12-22 | 2018-06-28 | 주식회사 포스코 | 후판 멀티 롤링 장치 및 이의 제어 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0760320A (ja) * | 1993-08-26 | 1995-03-07 | Nippon Steel Corp | 厚板圧延方法 |
| JPH07185623A (ja) * | 1993-12-27 | 1995-07-25 | Toshiba Corp | 熱間連続圧延システムにおける抽出ピッチ決定装置 |
| JPH08155513A (ja) * | 1994-12-02 | 1996-06-18 | Kobe Steel Ltd | ミルペーシング方法 |
| JP2003305508A (ja) * | 2002-04-08 | 2003-10-28 | Jfe Steel Kk | 圧延要領決定方法 |
| JP2007098468A (ja) * | 2005-09-12 | 2007-04-19 | Jfe Steel Kk | 熱間圧延設備およびそれを用いた熱間圧延方法 |
| JP2007283316A (ja) * | 2006-04-13 | 2007-11-01 | Nippon Steel Corp | 厚鋼板の製造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5946682B2 (ja) * | 1981-03-26 | 1984-11-14 | 住友金属工業株式会社 | 厚板圧延方法 |
| JP3621915B2 (ja) * | 2001-12-11 | 2005-02-23 | 新日本製鐵株式会社 | 厚鋼板圧延方法 |
| JP2005246427A (ja) | 2004-03-04 | 2005-09-15 | Nippon Steel Corp | スラブの圧延方法 |
| WO2009136435A1 (ja) * | 2008-05-07 | 2009-11-12 | 東芝三菱電機産業システム株式会社 | 圧延機の板厚制御装置 |
| JP5616673B2 (ja) * | 2010-04-13 | 2014-10-29 | 東芝三菱電機産業システム株式会社 | 仕上連続圧延機の制御装置、制御方法及び制御パターン作成方法 |
-
2012
- 2012-07-04 CN CN201280074500.9A patent/CN104428074B/zh active Active
- 2012-07-04 KR KR1020147035561A patent/KR101633579B1/ko active Active
- 2012-07-04 BR BR112014032545-6A patent/BR112014032545B1/pt active IP Right Grant
- 2012-07-04 JP JP2014523481A patent/JP5907264B2/ja active Active
- 2012-07-04 WO PCT/JP2012/067087 patent/WO2014006702A1/ja not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0760320A (ja) * | 1993-08-26 | 1995-03-07 | Nippon Steel Corp | 厚板圧延方法 |
| JPH07185623A (ja) * | 1993-12-27 | 1995-07-25 | Toshiba Corp | 熱間連続圧延システムにおける抽出ピッチ決定装置 |
| JPH08155513A (ja) * | 1994-12-02 | 1996-06-18 | Kobe Steel Ltd | ミルペーシング方法 |
| JP2003305508A (ja) * | 2002-04-08 | 2003-10-28 | Jfe Steel Kk | 圧延要領決定方法 |
| JP2007098468A (ja) * | 2005-09-12 | 2007-04-19 | Jfe Steel Kk | 熱間圧延設備およびそれを用いた熱間圧延方法 |
| JP2007283316A (ja) * | 2006-04-13 | 2007-11-01 | Nippon Steel Corp | 厚鋼板の製造方法 |
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| Publication number | Publication date |
|---|---|
| CN104428074B (zh) | 2016-10-12 |
| JPWO2014006702A1 (ja) | 2016-06-02 |
| BR112014032545A2 (pt) | 2017-06-27 |
| KR101633579B1 (ko) | 2016-06-24 |
| JP5907264B2 (ja) | 2016-04-26 |
| KR20150011837A (ko) | 2015-02-02 |
| CN104428074A (zh) | 2015-03-18 |
| BR112014032545B1 (pt) | 2022-02-22 |
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