JP2015521111A - Edge mask control method for cooling device - Google Patents

Edge mask control method for cooling device Download PDF

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JP2015521111A
JP2015521111A JP2015514887A JP2015514887A JP2015521111A JP 2015521111 A JP2015521111 A JP 2015521111A JP 2015514887 A JP2015514887 A JP 2015514887A JP 2015514887 A JP2015514887 A JP 2015514887A JP 2015521111 A JP2015521111 A JP 2015521111A
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width direction
temperature
edge mask
rolled coil
cooling device
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JP5932143B2 (en
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キム、ヒョン、ジン
ソン、ヒョク、ジン
ユン、イル、ソン
リム、ジュン、ソク
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ヒュンダイ スチール カンパニー
ヒュンダイ スチール カンパニー
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
    • 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
    • B21B37/76—Cooling control on the run-out table

Abstract

本発明は、冷却装置のエッジマスク制御方法に関するものであって、冷却装置の入側で測定された熱延コイルの幅方向の温度と熱延コイルの移送速度に応じてエッジマスクの駆動個数と深さを調節し、均一な幅方向の温度分布を有するようにエッジマスクを制御することにより、熱延コイルの幅方向の温度制御が可能であり、均一な材質の熱延コイルを生産することができ、ウェーブのない材質の熱延コイルを生産することができ、冷却装置の出側で測定された熱延コイルの幅方向の温度に基づいて、最終バンクのエッジマスクを調整することにより、計算された幅方向の温度の誤差を補償することができる。The present invention relates to a method for controlling an edge mask of a cooling device, and relates to the number of edge masks driven according to the temperature in the width direction of the hot rolled coil measured on the inlet side of the cooling device and the transfer speed of the hot rolled coil. By adjusting the depth and controlling the edge mask so as to have a uniform temperature distribution in the width direction, it is possible to control the temperature in the width direction of the hot rolled coil and produce a hot rolled coil of a uniform material. Can produce a hot rolled coil of material without wave, and by adjusting the edge mask of the final bank based on the temperature in the width direction of the hot rolled coil measured on the outlet side of the cooling device, The calculated temperature error in the width direction can be compensated.

Description

本発明は、冷却装置のエッジマスク制御方法に関するものであって、より詳細には、冷却装置の入側で測定された熱延コイルの幅方向の温度と熱延コイルの移送速度に応じてエッジマスクの駆動個数と深さを調節し、均一な幅方向の温度分布を有するようにする冷却装置のエッジマスク制御方法に関するものである。   The present invention relates to a method for controlling an edge mask of a cooling device, and more particularly, according to the temperature in the width direction of the hot rolled coil and the transfer speed of the hot rolled coil measured on the inlet side of the cooling device. The present invention relates to an edge mask control method for a cooling device that adjusts the number of driven masks and the depth to have a uniform temperature distribution in the width direction.

一般的な鉄鋼の製造は、溶銑を生産する製銑工程、溶銑から不純物を除去する製鋼工程、液体状態の鉄を固体に変形させる連鋳工程、鉄を鋼板や線材として作る圧延工程からなる。   General steel production includes a steelmaking process for producing hot metal, a steelmaking process for removing impurities from the hot metal, a continuous casting process for transforming liquid iron into a solid, and a rolling process for producing iron as a steel plate or wire rod.

圧延工程は、製鋼工程の連続鋳造機から供給されたスラブを加熱炉に装入し、圧延に適当な温度に再加熱（１２００〜１３００℃）して抽出した後、粗圧延機を介して幅圧延と厚さ圧延を実施し、仕上げ圧延機で最終圧延を実施して、需要者の所望する厚さを有するストリップを生産し、巻取機に巻き取って巻物形態の圧延コイルに巻き取る一連の工程からなる。   In the rolling process, the slab supplied from the continuous casting machine in the steel making process is charged into a heating furnace, extracted by reheating to a temperature suitable for rolling (1200 to 1300 ° C.), and then the width is passed through a roughing mill. A series of rolling and thickness rolling, final rolling in a finish rolling mill, producing a strip with the thickness desired by the customer, winding it on a winder and winding it on a rolled coil in the form of a roll It consists of the process.

関連する先行技術としては、大韓民国公開特許第１０−１９９５−００１６９２０号（１９９５年７月２０日）の「熱延鋼板の均一冷却装置」がある。   As a related prior art, there is "Uniform cooling device for hot-rolled steel sheet" disclosed in Korean Patent No. 10-1955-0016920 (July 20, 1995).

本発明は、冷却装置の入側で測定された熱延コイルの幅方向の温度と熱延コイルの移送速度に応じてエッジマスクの駆動個数と深さを調節し、均一な幅方向の温度分布を有するようにする冷却装置のエッジマスク制御方法を提供することを目的とする。   The present invention adjusts the number of driven edge masks and the depth in accordance with the temperature in the width direction of the hot-rolled coil and the transfer speed of the hot-rolled coil measured at the inlet side of the cooling device, and uniform temperature distribution in the width direction. It is an object of the present invention to provide a method for controlling an edge mask of a cooling device having the following.

本発明の一側面による冷却装置のエッジマスク制御方法は、制御部が冷却装置の入側で測定された熱延コイルの入側幅方向の温度を受信するステップと、制御部が上位制御装置から熱延コイルに関する情報と移送速度を受信するステップと、熱延コイルに関する情報に応じて設定したエッジマスクパターンと移送速度に基づいて、幅方向の温度を計算しながら、幅方向の温度が均一になるようにエッジマスクの駆動個数と深さを変更してエッジマスクパターンを調整するステップと、計算された幅方向の温度が均一な場合、エッジマスクパターンによってエッジマスクを駆動するステップとを含むことを特徴とする。   An edge mask control method for a cooling device according to an aspect of the present invention includes: a step in which a control unit receives a temperature in a width direction of an inlet side of a hot-rolled coil measured on an inlet side of the cooling device; The step of receiving the information about the hot rolling coil and the transfer speed, and the temperature in the width direction is made uniform while calculating the temperature in the width direction based on the edge mask pattern and the transfer speed set according to the information about the hot rolling coil. Adjusting the edge mask pattern by changing the number and depth of edge masks to be driven, and driving the edge mask with the edge mask pattern when the calculated temperature in the width direction is uniform. It is characterized by.

本発明において、熱延コイルに関する情報は、熱延コイルの鋼種、幅および厚さを含むことを特徴とする。   In the present invention, the information on the hot rolled coil includes the steel type, width and thickness of the hot rolled coil.

本発明において、幅方向の温度は、厚さ方向と幅方向に対する２次元有限差分法を利用して計算することを特徴とする。   In the present invention, the temperature in the width direction is calculated using a two-dimensional finite difference method for the thickness direction and the width direction.

本発明において、幅方向の温度は、入側幅方向の温度を初期温度として計算することを特徴とする。   In the present invention, the temperature in the width direction is calculated using the temperature in the width direction on the entry side as the initial temperature.

本発明において、制御部が冷却装置の出側で測定された熱延コイルの出側幅方向の温度を受信するステップと、出側幅方向の温度に基づいて、幅方向の温度が均一になるように最終バンクのエッジマスクを調整して駆動するステップとをさらに含むことを特徴とする。   In the present invention, the temperature in the width direction becomes uniform based on the step in which the control unit receives the temperature in the outlet width direction of the hot-rolled coil measured on the outlet side of the cooling device and the temperature in the outlet width direction. And adjusting and driving the edge mask of the final bank as described above.

本発明によれば、冷却装置の入側で測定された熱延コイルの幅方向の温度と熱延コイルの移送速度に応じてエッジマスクの駆動個数と深さを調節し、均一な幅方向の温度分布を有するようにエッジマスクを制御することにより、熱延コイルの幅方向の温度制御が可能であり、均一な材質の熱延コイルを生産することができ、ウェーブのない材質の熱延コイルを生産することができる。   According to the present invention, the number of driven edge masks and the depth are adjusted according to the temperature in the width direction of the hot-rolled coil measured on the inlet side of the cooling device and the transfer speed of the hot-rolled coil, and the uniform width direction is adjusted. By controlling the edge mask so as to have a temperature distribution, it is possible to control the temperature in the width direction of the hot-rolled coil, and it is possible to produce a hot-rolled coil of a uniform material, and a hot-rolled coil of a material without wave Can be produced.

また、本発明は、冷却装置の出側で測定された熱延コイルの幅方向の温度に基づいて、最終バンクのエッジマスクを調整することにより、計算された幅方向の温度の誤差を補償し、均一な幅方向の温度分布を有する熱延コイルを生産できるようにする。   In addition, the present invention compensates for the calculated temperature error in the width direction by adjusting the edge mask of the final bank based on the temperature in the width direction of the hot rolled coil measured on the outlet side of the cooling device. It is possible to produce a hot rolled coil having a uniform temperature distribution in the width direction.

本発明の一実施形態にかかる冷却装置のエッジマスク制御装置を示すブロック構成図である。It is a block block diagram which shows the edge mask control apparatus of the cooling device concerning one Embodiment of this invention. 本発明の一実施形態にかかる冷却装置のエッジマスキング状態を説明するための図である。It is a figure for demonstrating the edge masking state of the cooling device concerning one Embodiment of this invention. 本発明の一実施形態にかかる冷却装置のエッジマスキング状態を説明するための図である。It is a figure for demonstrating the edge masking state of the cooling device concerning one Embodiment of this invention. 本発明の一実施形態にかかる冷却装置のエッジマスク制御方法を説明するためのフローチャートである。It is a flowchart for demonstrating the edge mask control method of the cooling device concerning one Embodiment of this invention. 本発明の一実施形態にかかる冷却装置のエッジマスク制御方法において、熱延コイルの移送速度に応じたエッジマスクの駆動状態を説明するためのグラフである。6 is a graph for explaining an edge mask drive state according to a transfer rate of a hot-rolled coil in an edge mask control method for a cooling device according to an embodiment of the present invention.

以下、添付した図面を参照して、本発明にかかる冷却装置のエッジマスク制御方法の一実施形態を説明する。この過程で、図面に示された線の厚さや構成要素の大きさなどは、説明の明瞭性と便宜上、誇張されて示されていることがある。また、後述する用語は、本発明における機能を考慮して定義された用語であって、これは、使用者、運用者の意図または慣例によって異なることがある。そのため、このような用語に対する定義は、本明細書全般にわたる内容に基づいて行われなければならない。   Hereinafter, an embodiment of a cooling device edge mask control method according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of lines and the sizes of components shown in the drawings may be exaggerated for the sake of clarity and convenience. Moreover, the term mentioned later is a term defined in consideration of the function in this invention, and this may differ with the intention of a user, an operator, or a custom. Therefore, the definition of such terms must be made based on the contents throughout this specification.

図１は、本発明の一実施形態にかかる冷却装置のエッジマスク制御装置を示すブロック構成図であり、図２および図３は、本発明の一実施形態にかかる冷却装置のエッジマスク制御装置によるエッジマスキング状態を説明するための図である。   FIG. 1 is a block configuration diagram showing an edge mask control device of a cooling device according to an embodiment of the present invention, and FIGS. 2 and 3 are based on the edge mask control device of the cooling device according to an embodiment of the present invention. It is a figure for demonstrating an edge masking state.

図１に示されているように、本発明の一実施形態にかかる冷却装置のエッジマスク制御装置は、入側温度測定器２０、出側温度測定器３０、制御部４０、およびマスク駆動部５０をはじめとして、上位制御装置１０を含む。   As shown in FIG. 1, the edge mask control device of the cooling device according to the embodiment of the present invention includes an inlet side temperature measuring device 20, an outlet side temperature measuring device 30, a control unit 40, and a mask driving unit 50. And the host control device 10 is included.

入側温度測定器２０は、冷却装置４５の入側に設けられ、仕上げ圧延機１５で圧延されて冷却装置４５に入力される熱延コイル６０の入側幅方向の温度を測定する。   The inlet side temperature measuring device 20 is provided on the inlet side of the cooling device 45, and measures the temperature in the inlet side width direction of the hot rolled coil 60 that is rolled by the finish rolling mill 15 and input to the cooling device 45.

出側温度測定器３０は、冷却装置４５の出側に設けられ、冷却装置４５で冷却が行われた後、巻取機６５に巻き取られる熱延コイル６０の出側幅方向の温度を測定する。   The outlet side temperature measuring device 30 is provided on the outlet side of the cooling device 45 and measures the temperature in the outlet side width direction of the hot rolled coil 60 wound around the winder 65 after being cooled by the cooling device 45. To do.

マスク駆動部５０は、図３に示された冷却ヘッダ７０の下部において、熱延コイル６０のエッジ部分の冷却水量を調節するためのエッジマスク５５を熱延コイル６０の幅方向に移動させ、熱延コイル６０のエッジ部分の過冷現象を防止するようにする。   The mask driving unit 50 moves an edge mask 55 for adjusting the amount of cooling water at the edge portion of the hot-rolled coil 60 in the width direction of the hot-rolled coil 60 at the lower part of the cooling header 70 shown in FIG. An overcooling phenomenon at the edge portion of the extended coil 60 is prevented.

制御部４０は、入側温度測定器２０から入力された熱延コイル６０の入側幅方向の温度、および上位制御装置１０から入力された熱延コイル６０に関する情報と移送速度を受信して、熱延コイル６０に関する情報に応じて設定したエッジマスクパターンと移送速度に基づいて、幅方向の温度が均一になるようにエッジマスク５５の駆動個数と深さを変更してエッジマスクパターンを調整した後、幅方向の温度を計算する。   The control unit 40 receives the temperature in the entrance side width direction of the hot-rolled coil 60 input from the entrance-side temperature measuring device 20 and the information and the transfer speed related to the hot-rolled coil 60 input from the host controller 10. The edge mask pattern was adjusted by changing the number of driven edges and the depth of the edge mask 55 so that the temperature in the width direction was uniform based on the edge mask pattern and the transfer speed set according to the information about the hot rolled coil 60. Later, the temperature in the width direction is calculated.

この時、入側幅方向の温度を初期温度として幅方向の温度を計算する。そして、計算された幅方向の温度が均一な場合、調整されたエッジマスクパターンによってマスク駆動部５０を作動させる。   At this time, the temperature in the width direction is calculated using the temperature in the width direction on the entry side as the initial temperature. When the calculated temperature in the width direction is uniform, the mask driving unit 50 is operated by the adjusted edge mask pattern.

また、制御部４０は、出側温度測定器３０から冷却装置４５の出側で測定された熱延コイル６０の出側幅方向の温度を受信して、最終バンク７５のエッジマスク５５を調整することにより、計算による幅方向の温度分布の誤差を補償し、均一な幅方向の温度分布を有するようにする。   Further, the control unit 40 receives the temperature in the outlet side width direction of the hot rolled coil 60 measured on the outlet side of the cooling device 45 from the outlet side temperature measuring device 30 and adjusts the edge mask 55 of the final bank 75. Thus, an error in the temperature distribution in the width direction due to the calculation is compensated so that the temperature distribution in the width direction is uniform.

図４は、本発明の一実施形態にかかる冷却装置のエッジマスク制御方法を説明するためのフローチャートである。   FIG. 4 is a flowchart for explaining the edge mask control method of the cooling device according to the embodiment of the present invention.

図４に示されているように、冷却装置のエッジマスク制御方法では、まず、制御部４０が、入側温度測定器２０から冷却装置４５の入側で測定された熱延コイル６０の入側幅方向の温度を受信する（Ｓ１０）。   As shown in FIG. 4, in the edge mask control method of the cooling device, first, the control unit 40 enters the hot rolled coil 60 on the inlet side measured from the inlet side temperature measuring device 20 on the inlet side of the cooling device 45. The temperature in the width direction is received (S10).

また、制御部４０が、上位制御装置１０から熱延コイル６０に関する情報と移送速度を受信する（Ｓ２０）。   Moreover, the control part 40 receives the information regarding the hot rolling coil 60 and the transfer speed from the host controller 10 (S20).

以後、制御部４０は、熱延コイル６０に関する情報に応じて設定したエッジマスクパターンによって、冷却する時の幅方向の温度を計算する（Ｓ３０）。この時、入側幅方向の温度を初期温度として幅方向の温度を計算する。   Thereafter, the control unit 40 calculates the temperature in the width direction when cooling using the edge mask pattern set according to the information about the hot-rolled coil 60 (S30). At this time, the temperature in the width direction is calculated using the temperature in the width direction on the entry side as the initial temperature.

すなわち、熱延コイル６０に関する情報に基づいて、熱延コイル６０の鋼種、幅および厚さに応じて駆動されるエッジマスク５５の駆動個数と深さを設定してエッジマスクパターンを設定し、幅方向の温度を計算する。   That is, the edge mask pattern is set by setting the number and depth of the edge masks 55 to be driven according to the steel type, width, and thickness of the hot rolling coil 60 based on the information about the hot rolling coil 60, and the width Calculate the temperature in the direction.

この時、幅方向の温度は、厚さ方向と幅方向に対する２次元有限差分法（ＦＤＭ；Ｆｉｎｉｔｅ Ｄｉｆｆｅｒｅｎｃｅ Ｍｅｔｈｏｄ）を利用して計算する。   At this time, the temperature in the width direction is calculated using a two-dimensional finite difference method (FDM) for the thickness direction and the width direction.

こうして計算された幅方向の温度が均一な場合には、エッジマスクパターンによって、マスク駆動部５０を介してエッジマスク５５を駆動させる（Ｓ４０）（Ｓ６０）。   If the temperature in the width direction thus calculated is uniform, the edge mask 55 is driven by the edge mask pattern via the mask drive unit 50 (S40) (S60).

しかし、ステップＳ４０での判断の結果、幅方向の温度が均一でない場合には、移送速度に応じてエッジマスク５５の駆動個数と深さを変更し、均一な幅方向の温度を有するようにエッジマスクパターンを調整する（Ｓ５０）。   However, if the result of determination in step S40 is that the temperature in the width direction is not uniform, the number of driven edges and the depth of the edge mask 55 are changed in accordance with the transfer speed, and the edge has a uniform temperature in the width direction. The mask pattern is adjusted (S50).

このように、計算した幅方向の温度が均一な場合には、エッジマスクパターンによってエッジマスク５５を駆動させ、幅方向の温度が均一でない場合には、エッジマスク５５の駆動個数と深さを変更し、均一な幅方向の温度を有するようにエッジマスクパターンを調整する。   As described above, when the calculated temperature in the width direction is uniform, the edge mask 55 is driven by the edge mask pattern, and when the temperature in the width direction is not uniform, the number of driven edges and the depth of the edge mask 55 are changed. Then, the edge mask pattern is adjusted so as to have a uniform temperature in the width direction.

以後、冷却装置４５の出側で測定された熱延コイル６０の出側幅方向の温度を、出側温度測定器３０から受信する（Ｓ７０）。   Thereafter, the temperature in the outlet-side width direction of the hot-rolled coil 60 measured on the outlet side of the cooling device 45 is received from the outlet-side temperature measuring device 30 (S70).

このように冷却装置４５の出側でフィードバックされた出側幅方向の温度に基づいて、最終バンク７５のエッジマスク５５を調整することにより、計算された幅方向の温度分布による誤差を補償し、均一な幅方向の温度を有することができるようにする（Ｓ８０）。   Thus, by adjusting the edge mask 55 of the final bank 75 based on the temperature in the outlet width direction fed back on the outlet side of the cooling device 45, an error due to the calculated temperature distribution in the width direction is compensated, It is possible to have a uniform temperature in the width direction (S80).

図５は、本発明の一実施形態にかかる冷却装置のエッジマスク制御方法において、熱延コイルの移送速度に応じたエッジマスクの駆動状態を説明するためのグラフである。   FIG. 5 is a graph for explaining the driving state of the edge mask according to the transfer speed of the hot-rolled coil in the edge mask control method of the cooling device according to the embodiment of the present invention.

図５に示されているように、熱延コイル６０が加速圧延されながら移送速度が可変する場合、冷却装置４５における冷却水量も移送速度の変化に応じて増加する。   As shown in FIG. 5, when the transfer rate varies while the hot-rolled coil 60 is accelerated, the amount of cooling water in the cooling device 45 also increases according to the change in the transfer rate.

この時、冷却水量が移送速度に応じて増加しても、エッジマスク５５の駆動個数が固定される場合、冷却水量が増加した加速区間ではエッジ部が過冷し、出側での中心部とエッジ部との間の温度偏差が発生する。   At this time, even if the amount of cooling water increases according to the transfer speed, if the number of driving edge masks 55 is fixed, the edge portion is overcooled in the acceleration section where the amount of cooling water has increased, and the center portion on the outlet side A temperature deviation from the edge portion occurs.

したがって、本発明では、移送速度に応じてエッジマスク５５の駆動個数および深さを変更することにより、出側での幅方向の温度偏差が発生しないようにする。   Therefore, in the present invention, the temperature deviation in the width direction on the exit side is prevented from occurring by changing the number of driven edges and the depth of the edge mask 55 according to the transfer speed.

すなわち、図５のグラフから明らかなように、エッジマスク５５の駆動個数も、冷却水量と共に、熱延コイル６０の移送速度に応じて変更されており、これにより、出側の中心部とエッジ部との温度が同一に維持されると考えられる。   That is, as apparent from the graph of FIG. 5, the number of driving edge masks 55 is also changed according to the transfer speed of the hot-rolled coil 60 together with the amount of cooling water. It is thought that the temperature is maintained the same.

このように、本発明にかかる冷却装置のエッジマスク制御方法によれば、冷却装置４５の入側で測定された熱延コイル６０の幅方向の温度と熱延コイル６０の移送速度に応じてエッジマスク５５の駆動個数と深さを調節し、均一な幅方向の温度分布を有するように制御することにより、熱延コイル６０の幅方向の温度制御が可能であり、均一な材質の熱延コイル６０を生産することができ、ウェーブのない材質の熱延コイル６０を生産することができる。   Thus, according to the edge mask control method of the cooling device according to the present invention, the edge according to the temperature in the width direction of the hot rolled coil 60 and the transfer speed of the hot rolled coil 60 measured on the entry side of the cooling device 45. The temperature of the hot rolled coil 60 can be controlled in the width direction by adjusting the drive number and depth of the mask 55 so as to have a uniform temperature distribution in the width direction. 60 can be produced, and a hot-rolled coil 60 made of a wave-free material can be produced.

本発明は、図面に示された実施形態を参照して説明されたが、これは例示的なものに過ぎず、当該技術の属する分野における通常の知識を有する者であれば、これから多様な変形および均等な他の実施形態が可能であることを理解することができる。したがって、本発明の技術的保護範囲は、以下の特許請求の範囲によって定められなければならない。   The present invention has been described with reference to the embodiments shown in the drawings. However, the present invention is merely illustrative, and various modifications may be made by those having ordinary skill in the art. It can be understood that other equivalent embodiments are possible. Therefore, the technical protection scope of the present invention should be defined by the following claims.

Claims (5)

制御部が冷却装置の入側で測定された熱延コイルの入側幅方向の温度を受信するステップと、
前記制御部が上位制御装置から前記熱延コイルに関する情報と移送速度を受信するステップと、
前記熱延コイルに関する情報に応じて設定したエッジマスクパターンと前記移送速度に基づいて、幅方向の温度を計算しながら、前記幅方向の温度が均一になるようにエッジマスクの駆動個数と深さを変更して前記エッジマスクパターンを調整するステップと、
計算された前記幅方向の温度が均一な場合、前記エッジマスクパターンによって前記エッジマスクを駆動するステップとを含むことを特徴とする、冷却装置のエッジマスク制御方法。 A step in which the control unit receives the temperature in the width direction of the inlet side of the hot-rolled coil measured on the inlet side of the cooling device;
The control unit receiving information about the hot-rolled coil and a transfer speed from a host controller;
While calculating the temperature in the width direction based on the edge mask pattern set according to the information about the hot-rolled coil and the transfer speed, the number of driven edge masks and the depth so that the temperature in the width direction becomes uniform. Changing the edge mask pattern by changing
And a step of driving the edge mask with the edge mask pattern when the calculated temperature in the width direction is uniform. 前記熱延コイルに関する情報は、熱延コイルの鋼種、幅および厚さを含むことを特徴とする、請求項１に記載の冷却装置のエッジマスク制御方法。   The method for controlling an edge mask of a cooling device according to claim 1, wherein the information on the hot-rolled coil includes a steel type, a width, and a thickness of the hot-rolled coil. 前記幅方向の温度は、厚さ方向と幅方向に対する２次元有限差分法を利用して計算することを特徴とする、請求項１に記載の冷却装置のエッジマスク制御方法。   The method of claim 1, wherein the temperature in the width direction is calculated using a two-dimensional finite difference method with respect to the thickness direction and the width direction. 前記幅方向の温度は、入側幅方向の温度を初期温度として計算することを特徴とする、請求項１に記載の冷却装置のエッジマスク制御方法。   2. The edge mask control method for a cooling device according to claim 1, wherein the temperature in the width direction is calculated using the temperature in the width direction on the entry side as an initial temperature. 前記制御部が前記冷却装置の出側で測定された前記熱延コイルの出側幅方向の温度を受信するステップと、
前記出側幅方向の温度に基づいて、前記幅方向の温度が均一になるように最終バンクの前記エッジマスクを調整して駆動するステップとをさらに含むことを特徴とする、請求項１に記載の冷却装置のエッジマスク制御方法。 Receiving the temperature in the outlet width direction of the hot-rolled coil measured by the controller on the outlet side of the cooling device;
2. The method according to claim 1, further comprising: adjusting and driving the edge mask of the final bank based on the temperature in the exit side width direction so that the temperature in the width direction becomes uniform. Method for controlling an edge mask of a cooling apparatus.
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