WO2011048671A1 - 制御設定装置及び制御設定方法 - Google Patents

制御設定装置及び制御設定方法 Download PDF

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Publication number
WO2011048671A1
WO2011048671A1 PCT/JP2009/068111 JP2009068111W WO2011048671A1 WO 2011048671 A1 WO2011048671 A1 WO 2011048671A1 JP 2009068111 W JP2009068111 W JP 2009068111W WO 2011048671 A1 WO2011048671 A1 WO 2011048671A1
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WO
WIPO (PCT)
Prior art keywords
control
control setting
execution parameter
target plate
steel type
Prior art date
Application number
PCT/JP2009/068111
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
一浩 小原
直樹 下田
光彦 佐野
Original Assignee
東芝三菱電機産業システム株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 東芝三菱電機産業システム株式会社 filed Critical 東芝三菱電機産業システム株式会社
Priority to PCT/JP2009/068111 priority Critical patent/WO2011048671A1/ja
Priority to JP2011537052A priority patent/JP5380544B2/ja
Priority to KR1020127009827A priority patent/KR101443991B1/ko
Priority to CN200980162118.1A priority patent/CN102665948B/zh
Priority to US13/503,108 priority patent/US20120260708A1/en
Priority to TW098141364A priority patent/TWI439332B/zh
Publication of WO2011048671A1 publication Critical patent/WO2011048671A1/ja

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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
    • 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
    • B21B37/16—Control of thickness, width, diameter or other transverse dimensions
    • 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
    • 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
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
    • 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

Definitions

  • the present invention relates to a control setting apparatus and a control setting method for appropriately setting a control set value when rolling a material to be rolled in a hot rolling apparatus.
  • One example of customer request is the strength of rolled products.
  • high-strength steel sheets are used for pillars and chassis components.
  • strength steel plate is used and it is trying to prevent a passenger
  • steel plates that are easy to form, have low return after spring (spring back), and increase in strength during baking are used for the outer plates that require high forming accuracy.
  • the hot rolling apparatus may perform lubrication rolling using an oil emulsion between a roll and a material to be rolled in finish rolling.
  • the production of rolled products is performed by changing various rolling conditions, that is, parameters of the rolling operation process.
  • the parameters of this rolling operation process include, for example, whether or not to use (start or stop) for each pass of a descaler provided in the rolling mill, whether or not to use inter-stand cooling disposed between the stands of the continuous rolling mill There are initial flow rate used, amount of lubricating oil used in the finishing mill, and cooling pattern used in the run-out table.
  • the hot rolling device can set various parameters for the rolling operation process and perform hot rolling to produce a wide variety of rolled products. Manufacture.
  • Patent Document 1 proposes an outlet temperature control device for a hot finish rolling mill that controls a cooling spray for cooling a rolled material.
  • control system for controlling the hot rolling apparatus is often configured hierarchically for each function.
  • the control system is composed of a level 0 computer composed of drive control devices, hydraulic equipment, etc., a level 1 computer composed of a controller for control represented by PLC (Programmable Logic Controller), and a control computer from the lower order.
  • the level 2 computer is composed of a level 2 computer and a production management computer.
  • first method which is a higher-level computer of the level 2 computer, or a steel type in the level 2 computer
  • second method has been adopted in which a parameter table is provided for each group of steel types, and parameters are set using the steel type family, plate thickness, plate width, and the like as keys.
  • the first method has a problem that the load on the level 3 computer increases.
  • the level 3 computer is a computer that issues a production instruction based on the operation of the production manager, and usually performs production management of the entire factory. Therefore, when parameters of all the operation processes including the rolling process are determined, there is a problem that the load increases for the level 3 computer.
  • the present invention has been made in view of the above problems, and provides a control setting device and a control setting method capable of determining in detail parameters of a rolling operation process without causing an excessive load on a host computer. With the goal.
  • a first feature of the control setting device is that a combination of control setting values for controlling a control target device and an execution parameter number for uniquely identifying the combination of the control setting values.
  • 1st control information storage part memorized as 1 control information
  • 2nd control information memorize
  • a component information storage unit for storing the component information indicating the components of the steel type family as a component information table for each steel type family
  • the control setting device When a setting request signal for requesting determination of a combination of control setting values in the steel type family is supplied from a higher-order computer, the steel type family corresponding to the component information included in the setting request signal is extracted from the component information table Then, from the first control information, extract the execution parameter number corresponding
  • the execution parameter number corresponding to the steel type and the target plate thickness and target plate width included in the setting request signal is extracted from the information. And, from the execution parameter information, in that a control setting determination unit that determines a combination of the control set value corresponding to the extracted execution parameter number.
  • a first feature of the control setting method is that a combination of control setting values for controlling a control target device and an execution parameter number that uniquely identifies the combination of the control setting values.
  • a combination of control setting values for controlling a control target device and an execution parameter number that uniquely identifies the combination of the control setting values.
  • the execution parameter number corresponding to the target plate thickness and the target plate width is stored as second control information for each steel type.
  • a second control information storage step to be stored in the means, and a component information table indicating component information indicating the components of the steel type family for each of the steel type families Component information storage step to be stored in the storage means, and when a setting request signal for requesting determination of a combination of control setting values in the steel type family is supplied from a host computer connected to the control setting device, the component information table
  • the steel type family corresponding to the component information included in the setting request signal is extracted from the first control information, and the extracted steel type family and the target plate thickness and target plate width included in the setting request signal are extracted from the first control information.
  • the control parameter value combination corresponding to the extracted parameter parameter number is determined from the parameter parameter information, and the control parameter value combination in the steel type is determined from a higher-level computer.
  • the parameters of the rolling operation process can be determined in detail without causing an excessive load on the host computer.
  • FIG. 1 is a block diagram showing a configuration of a hot rolling apparatus controlled based on a control set value set by a control setting apparatus according to the first embodiment.
  • a hot rolling apparatus 20 includes a heating furnace 1, a primary descaler 2, a rough edger 3, a rough rolling unit 4, an RDT (Roughing4Mill Delivery Temperature) 5, and an FET (Finishing Mill). Entry Temperature) 6, crop shear 7, secondary descaler 8, finish rolling unit 9, FDT (Finishing Mill Delivery Temperature) 10, runout laminar spray cooling unit 11, CT (Coiler Entry Temperature) 12, A coiler 13 is provided.
  • the heating furnace 1 is a furnace for heating the material to be rolled 14.
  • the material to be rolled 14 is a metal that is rolled by the rough edger 3, the rough rolling unit 4, and the finish rolling unit 9 by being conveyed on the conveyance line.
  • it is also called a slab, a bar, or a coil every time it goes through each step of the rolling device 20, it is assumed here to be unified by the name of the material 14 to be rolled.
  • the primary descaler 2 removes the oxide film formed on the surface of the material to be rolled 14 by the heating of the heating furnace 1 by spraying high-pressure water from above and below the material to be rolled 14.
  • the rough edger 3 performs rolling in the width direction of the material to be rolled 14 when viewed from the upper surface direction of the line.
  • the rough rolling unit 4 includes one or more stands, and performs rolling in the vertical direction of the material to be rolled 14.
  • the rough rolling unit 4 needs to be shortened in line length, and further needs to be rolled by a plurality of passes (reciprocating motion in the conveying direction), and thus is often configured to include a reversible rolling mill.
  • the rough rolling section 4 includes a descaler for spraying high-pressure water onto the material to be rolled 14 that is a semi-finished product to remove the oxide film on the surface. Since rolling is performed at a high temperature, an oxide film is likely to be formed, and it is necessary to use an apparatus for removing such an oxide film as appropriate. Details will be described later.
  • RDT Roughing / Mill / Delivery / Temperature 5 measures the surface temperature of the material to be rolled 14, which is a semi-finished product during rolling.
  • FET (Finishing Mill Entry Temperature) 6 measures the surface temperature of the material to be rolled 14 at the entrance of the finish rolling section 9 because the distance between the rough rolling section 4 and the finish rolling section 9 is long. Since the temperature is closely related to the deformation resistance of the material of the material 14 to be rolled, the temperature immediately before the processing may be measured, or highly accurate temperature prediction may be performed.
  • the crop shear 7 cuts the leading end of the material 14 to be rolled.
  • the secondary descaler 8 is provided at the entrance of the finish rolling section 9 because the distance between the rough rolling section 4 and the finish rolling section 9 is long, and in order to improve the surface properties of the material to be rolled 14 after finish rolling,
  • the oxide film formed on the surface of the rolled material 14 is removed by spraying high-pressure water from above and below the material 14 to be rolled.
  • the finish rolling unit 9 employs a tandem type in which a plurality of rolling rolls called stands are installed, and the material to be rolled 14 having a target plate thickness can be obtained by rolling up and down with a plurality of rolling rolls. it can. A spray is provided between the stands of the finish rolling unit 9 in order to suppress the formation of an oxide film and to control the temperature. Details will be described later.
  • the FDT (Finishing Mill Delivery Temperature) 10 measures the surface temperature of the material 14 after rolling by the finish rolling section 9.
  • the temperature of the material to be rolled 14 is closely related to the formation and material of the metal structure of the product, and needs to be managed at an appropriate temperature.
  • the run-out laminar spray cooling unit 11 is a device that cools the material to be rolled 14 with cooling water in order to control the temperature of the material 14 to be rolled. These are provided with a forced cooling device in addition to a normal run-out table cooling device.
  • CT Cosmetic® Entry Temperature 12 measures the surface temperature of the material to be rolled 14 cooled by the run-out laminar spray cooling unit 11.
  • the temperature of the material to be rolled 14 is closely related to the formation and material of the metal structure of the rolled product, and needs to be managed at an appropriate temperature.
  • the coiler 13 winds up the material 14 to be rolled.
  • FIG. 2 is a block diagram showing a configuration of the rough edger 3 and the rough rolling unit 4 included in the hot rolling apparatus 20.
  • an upstream side coarse descaler 31 that injects high-pressure water from the vertical direction of the material to be rolled 14 is disposed upstream of the coarse edger 3 on the conveying line of the material to be rolled 14.
  • a downstream side coarse descaler 45 that injects high-pressure water from the vertical direction of the material to be rolled 14 is disposed downstream of the rough rolling portion 4 on the conveying line of the material to be rolled 14. Then, in the rough rolling section 4, a pair of first rolled material roll coolings 41 and 42 for injecting high pressure water to the upper rough rolling roller 4AA, and 1 for injecting high pressure water to the lower rough rolling roller 4AB A pair of second rolled material roll coolings 43 and 44 are provided.
  • the upstream coarse descaler 31 and the downstream coarse descaler 45 are set to start or stop as needed for each path. At the time of starting, it is set according to the generation of the oxide film. In a normal rolled material, it is necessary to keep the temperature of the rolled product as high as possible. Therefore, a control set value for using the minimum necessary amount is determined so that the oxide film is within an allowable range. Further, depending on the steel type of the material 14 to be rolled, there is a case where the temperature measured by RDT (Roughing Mill Delivery Temperature) 5 is given as a target due to the requirement on the metal structure, and it is used for this temperature adjustment. There is also.
  • RDT Rapiding Mill Delivery Temperature
  • FIG. 3 is a block diagram showing the configuration of one stand in the finish rolling section 9 provided in the hot rolling apparatus 20.
  • an interstand cooling 94 for injecting cooling water while changing the flow rate from the up-down direction of the material to be rolled 14 is arranged.
  • a strip spray 91, a roll gap spray 93, and a bottom spray 92 for injecting cooling water are provided upstream of the finish rolling unit 9 on the conveying line of the material to be rolled 14 in order to suppress the generation of secondary scale. Has been placed.
  • a fume suppression spray 95 for injecting cooling water is disposed downstream of the interstand cooling 94 in order to suppress generation of fine mineral dust called fume on the stand exit side.
  • a pair of fourth rolled material roll cooling 99a, 99b is provided.
  • the roll gap spray 93 is provided for the purpose of preventing secondary scale generation and peeling of the roll surface.
  • Roll gap lubrication sprays 97 and 98 lower the friction coefficient between the material to be rolled 14 and the finish rolling rollers 9A and 9B upstream of the finish rolling section 9 on the conveying line of the material to be rolled 14, and finish rolling rollers
  • an emulsion containing a lubricant is applied to the finish rolling rollers 9A and 9B or the material 14 to be rolled.
  • the fourth rolled material roll cooling 99a, 99b will be collectively referred to as spray.
  • FIG. 4 is a block diagram showing a configuration of a control system to which the control setting device according to the first embodiment is applied.
  • the control system 100 is represented from the lower level by, for example, a level 0 computer 104 configured by a drive control device or a hydraulic device of the hot rolling device 20 and, for example, a PLC (Programmable Logic Controller).
  • Level 1 computer 103 configured by a control controller
  • a control setting device 200 which is a level 2 computer configured by a control computer
  • an HMI (Human-Machine Interface) 102 and a level configured by a production management computer 3 computers 101.
  • Level 3 computer 101 based on the user's operation, chemical component information based on actual measurement information at the time of component adjustment of the material 14 to be rolled before casting, target plate thickness and target plate width of the material 14 to be rolled, A setting request signal including the steel type code, the target size of the coil, the target temperature at each temperature control point, and the rolling order is supplied to the control setting device 200.
  • the control setting device 200 controls the parameters of the rolling operation process, that is, the hot rolling device 20 based on the setting request signal supplied from the level 3 computer 101 and the operation signal and setting request signal supplied from the HMI 102.
  • the control setting value for the determination is determined, and the determined control setting value is supplied to the level 1 computer 103.
  • the HMI 102 supplies, for example, an operation signal for starting or stopping the spray to the control setting device 200 or a setting request signal for setting the spray pattern number to the control setting device 200 based on a user operation. To do.
  • the level 1 computer 103 controls the control target equipment other than the motor including the spray provided in the hot rolling apparatus 20 and sends a control signal to the level 0 computer 104 that controls the motor provided in the hot rolling apparatus 20. Supply.
  • the level 0 computer 104 mainly controls the motor provided in the hot rolling apparatus 20 based on the control signal supplied from the level 1 computer 103.
  • FIG. 5 is a block diagram showing the configuration of the control setting device 200 according to the first embodiment.
  • the control setting device 200 includes a ROM 202, a RAM 203, a first net rolled material portion 204, a second net rolled material portion 205, and a hard disk 206. Are connected to each other via a bus 300.
  • the ROM 202 is composed of a nonvolatile semiconductor or the like, and stores an operation system executed by the CPU 201.
  • the RAM 203 is composed of a volatile semiconductor or the like, and stores data necessary for the CPU 201 to execute various processes.
  • the first net rolled material unit 204 is a communication device such as a LAN card or a serial port, and is connected to the level 3 computer 101 and the level 1 computer 103 via the first net rolled material unit 204. Communication between the level 3 computer 101 and the level 1 computer 103 is performed.
  • the second net rolled material unit 205 is a communication device such as a LAN card or a serial port. By connecting to the HMI 102 via the second net rolled material unit 205, communication with the HMI 102 is performed. Do.
  • the hard disk 206 stores a control program executed by the CPU 201.
  • the hard disk 206 also includes a GCI table storage unit 206a, an SGF table storage unit 206b, a finish spray code table storage unit 206c, an execution parameter table storage unit 206d, and a component information storage unit 206e in terms of its functions.
  • the GCI table storage unit 206a stores the steel type code and the spray pattern number in association with each other.
  • the spray pattern number is a number that uniquely identifies, for example, a spray pattern associated with an execution parameter number corresponding to a target plate thickness and a target plate width for each steel type or each steel type family.
  • the SGF table storage unit 206b displays, for each steel type family including one or more steel types having similar characteristics, a spray pattern in which an execution parameter number corresponding to the target plate thickness and target plate width is associated with the SGF table (first control). Information).
  • the finishing spray code table storage unit 206c stores, as a finishing spray code table (second control information), a spray pattern in which an execution parameter number corresponding to the target plate thickness and the target plate width is associated with each steel type.
  • the execution parameter table storage unit 206d stores the combination of the control setting values for controlling the spray and the execution parameter number that uniquely identifies the combination of the control setting values as execution parameter information.
  • the combination of the control set values for controlling the spray is, for example, a value for instructing start or stop for the spray, or an initial flow rate for the spray.
  • the component information storage unit 206e stores, for each steel type family, component information indicating the components of this steel type family as a component information table.
  • the CPU 201 performs central control of the control setting device 200.
  • the CPU 201 stores the setting request signal supplied from the level 3 computer 101 and the operation signal supplied from the HMI 102 in the RAM 203.
  • the CPU 201 includes an input determination unit 201a and a control setting determination unit 201b in terms of its functions.
  • the input determination unit 201a When determining that the control setting period has been reached, the input determination unit 201a reads the setting request signal and operation signal stored in the RAM 203, and based on the read setting request signal and operation signal, the spray operation signal from the HMI 102. , Whether the spray pattern number is directly input from the HMI 102, whether the spray pattern number is directly input from the level 3 computer 101, and / or supplied from the level 3 computer 101. It is determined whether or not the spray pattern number corresponding to the steel type code included in the set request signal is “0”.
  • the control setting determination unit 201b is supplied with a setting request signal for requesting determination of a combination of control setting values in the steel type family from the level 3 computer 101 connected to the control setting device 200, that is, supplied from the level 3 computer 101.
  • the spray pattern number corresponding to the steel type code included in the setting request signal indicates “0”
  • the steel type family corresponding to the component information included in the setting request signal is extracted from the component information table, and the first control information is used.
  • An execution parameter number corresponding to the extracted steel type family and the target plate thickness and target plate width included in the setting request signal is extracted from a certain SGF table, and it corresponds to the extracted execution parameter number from the execution parameter information. Determine the control set value combination.
  • the control setting determination unit 201b is supplied with a setting request signal for requesting determination of a combination of control setting values in the steel type from the level 3 computer 101, that is, included in the setting request signal supplied from the level 3 computer 101.
  • a setting request signal for requesting determination of a combination of control setting values in the steel type from the level 3 computer 101, that is, included in the setting request signal supplied from the level 3 computer 101.
  • FIG. 6 is a flowchart showing the processing procedure of the control setting process of the control setting device 200 according to the first embodiment of the present invention.
  • the input determination unit 201a of the CPU 201 of the control setting device 200 determines whether or not the control setting period has been reached (step S101).
  • the control setting cycle is a cycle in which the control setting device 200 executes control setting for the level 1 computer 103.
  • step S101 When it is determined in step S101 that the control setting cycle has been reached (in the case of YES), the input determination unit 201a reads the setting request signal and the operation signal stored in the RAM 203 (step S103).
  • the input determination unit 201a determines whether or not a spray operation signal is directly input from the HMI 102 based on the operation signal read in step S103 (step S105). Specifically, the input determination unit 201a determines whether the read operation signal includes an operation signal for requesting activation or stop for each spray from the HMI 102 or an operation signal for setting an initial flow rate for the spray. Determine.
  • step S105 when it is determined that the spray operation signal is directly input from the HMI 102 (in the case of YES), the control setting determination unit 201b, based on the spray operation signal, the first net work material 204. Then, the control of the spray is set in the level 1 computer 103 (step S107).
  • the operation signal include an operation signal for instructing activation of the strip spray 91 and an operation signal for setting the initial flow rate of the interstand cooling 94.
  • step S105 when it is determined in step S105 that the spray operation signal is not directly input from the HMI 102 (in the case of NO), the input determination unit 201a is based on the setting request signal read in step S103. It is determined whether or not the spray pattern number is directly input from (step S109).
  • step S109 when it is determined that the spray pattern number is directly input from the HMI 102 (in the case of YES), the control setting determination unit 201b, based on the spray pattern number and the SGF table or the finish spray code table, A control set value for each spray is determined (step S111). Specifically, the control setting determination unit 201b extracts the SGF table or the finish spray code table corresponding to the spray pattern number from the SGF table storage unit 206b or the finish spray code table storage unit 206c, and this extracted SGF table. Alternatively, an execution parameter number corresponding to the target plate thickness and target plate width included in the setting request signal is extracted from the finish spray code table. Then, the control setting determination unit 201b extracts an execution parameter corresponding to the extracted execution parameter number from the execution parameter table storage unit 206d, and determines a control setting value for each spray based on the extracted execution parameter. To do.
  • step S109 when it is determined that the spray pattern number is not directly input from the HMI 102 (in the case of NO), the input determination unit 201a is based on the setting request signal read in step S103. It is determined whether or not the spray pattern number is directly input from (step S113).
  • step S113 when it is determined that the spray pattern number is directly input from the level 3 computer 101 (in the case of YES), the control setting determination unit 201b moves the process to step S111.
  • the input determination unit 201a determines the steel type included in the setting request signal supplied from the level 3 computer 101. It is determined whether or not the spray pattern number corresponding to the code indicates “0” (step S115). Specifically, the input determination unit 201a extracts the steel type code from the setting request signal supplied from the level 3 computer 101, and extracts the steel type code extracted from the GCI table stored in the GCI table storage unit 206a of the hard disk 206. Is extracted, and it is determined whether or not the extracted spray pattern number indicates “0”.
  • the control setting determination unit 201b determines the control setting value of each spray based on the component information and the SGF table.
  • Step S119 the control setting determination unit 201b extracts the steel type family corresponding to the component information included in the setting request signal supplied from the level 3 computer 101 from the component information storage unit 206e, and from the SGF table storage unit 206b. Then, an SGF table corresponding to the extracted steel type family is extracted, and an execution parameter number corresponding to the target plate thickness and the target plate width included in the setting request signal is extracted from the extracted SGF table. Then, the control setting determination unit 201b extracts an execution parameter corresponding to the extracted execution parameter number from the execution parameter table storage unit 206d, and determines a control setting value for each spray based on the extracted execution parameter. To do.
  • the control setting determination unit 201b determines the control setting value of each spray based on the steel type code and the finish spray table. Is determined (step S117). Specifically, the control setting determining unit 201b extracts the spray pattern number corresponding to the steel type code from the GCI table, and the finishing spray code table corresponding to the extracted spray pattern number from the finishing spray code table storage unit 206c. An execution parameter number corresponding to the target plate thickness and target plate width included in the setting request signal is extracted from the extracted finish spray code table. Then, the control setting determination unit 201b extracts an execution parameter corresponding to the extracted execution parameter number from the execution parameter table storage unit 206d, and determines a control setting value for each spray based on the extracted execution parameter. To do.
  • the control setting determination unit 201b causes the level 1 computer 103 to set the control of the spray via the first net workpiece 204 based on the control setting value set in step S111, step S117, or step S119. (Step S121).
  • FIG. 7A and 7B are diagrams schematically illustrating the control setting process of the control setting apparatus 200 according to the first embodiment of the present invention.
  • step S115 the spray pattern number corresponding to the steel type code of the setting request signal supplied from the level 3 computer 101 is “101” (step S115).
  • step S113 the spray pattern number is not directly input from the level 3 computer 101 (step S113), and the spray pattern number is not directly input from the HMI 102 (step S109).
  • the control setting determination unit 201b finishes the finish spray code corresponding to the spray pattern number “101” extracted from the finish spray code table storage unit 206c. Extract the table.
  • the control setting determination unit 201b extracts the finished spray.
  • the execution parameter number “1” corresponding to the target plate thickness “3” and the target plate width “5” included in the setting request signal is extracted from the code table.
  • control setting determination unit 201b extracts an execution parameter table corresponding to the extracted execution parameter number “1” from the execution parameter table storage unit 206d, and based on the extracted execution parameter table, Determine the control setting value.
  • the control setting determination unit 201b is directly input regardless of the control setting value of each spray determined based on the execution parameter table.
  • the level 1 computer 103 is set to control the spray via the first net rolled material 204.
  • the control setting device 200 when the setting request signal for requesting the determination of the combination of the control setting values in the steel type family is supplied from the level 3 computer 101,
  • the steel type family corresponding to the component information included in the setting request signal is extracted from the component information table, and the extracted steel type family, the target plate thickness and the target included in the setting request signal are extracted from the SGF table as the first control information.
  • the execution parameter number corresponding to the sheet width is extracted, and from the execution parameter information, the combination of the control setting values corresponding to the extracted execution parameter number is determined, and the combination of the control setting values in the steel type from the level 3 computer 101
  • the steel type is obtained from the finish spray code table as the second control information.
  • the execution parameter number corresponding to the target plate thickness and target plate width included in the setting request signal is extracted, and the combination of the control setting values corresponding to the extracted execution parameter number is determined from the execution parameter information. Without causing an excessive load on the computer 101, it is possible to finely set the parameters of the rolling operation process, specifically, the control set values for each spray.
  • control setting value of the spray which injects the cooling water in the finishing rolling part 9 was set, the liquid injected from a spray is not restricted to cooling water.
  • the control setting value of the spray for injecting the emulsion type lubricating oil used between the finishing roll and the material to be rolled 14 may be set.
  • control setting device 200 In the control setting device 200 according to the second embodiment of the present invention, the processing procedure of the control setting process in the rough rolling unit 4 will be described as an example.
  • the control setting device 200 according to the second embodiment of the present invention has the same configuration as that of the control setting device 200 according to the first embodiment of the present invention shown in FIGS.
  • the rough rolling unit 4 provided in the control setting device 200 according to the second embodiment of the present invention performs rough rolling while reciprocating the material to be rolled 14 in the conveying direction of the material to be rolled 14, Since the control setting value of each spray is determined in accordance with the number of reciprocations, this difference will be mainly described below.
  • FIGS. 8A and 8B are diagrams schematically illustrating the control setting process of the control setting device 200 according to the first embodiment of the present invention.
  • step S115 the spray pattern number of the rough rolling section 4 corresponding to the steel type code of the setting request signal supplied from the level 3 computer 101 is “0” (step S115).
  • step S113 the spray pattern number of the rough rolling section 4 is not directly input from the level 3 computer 101 (step S113), and the spray pattern number of the rough rolling section 4 is not directly input from the HMI 102 (step S109). .
  • the control setting determination unit 201b receives the setting request signal supplied from the level 3 computer 101 from the SGF table storage unit 206b. An SGF table corresponding to the contained component information is extracted.
  • the control setting determination unit 201b determines that the extracted SGF The execution parameter number “1” corresponding to the target plate thickness “3” and the target plate width “5” included in the setting request signal is extracted from the table.
  • the control setting determination unit 201b extracts an execution parameter from the execution parameter table storage unit 206d based on the extracted execution parameter number “1” and the number of paths included in the setting request signal, and extracts this execution parameter. Based on the executed execution parameter, the control setting value of each spray is determined. For example, if the number of passes included in the setting request signal is “7”, the control setting values “ON”, “OFF”, “ON”, “ON”, “OFF”, “OFF”, “1” to “7”. “ON” and “OFF” are set.
  • the rough rolling part 4 is to be rolled. Even in the case of rough rolling while reciprocating the material to be rolled in the material conveyance direction, the control set value of each spray can be set finely for each pass.
  • the control setting device 200 according to the third embodiment of the present invention will be described by taking as an example the processing procedure of the control setting process in the rough rolling unit 4 having two pairs of rough rolling rolls.
  • FIG. 9 is a block diagram of the rough rolling unit 4 including two pairs of rough rolling rolls provided in the control setting device 200 according to the third embodiment of the present invention.
  • the rough rolling unit 4 includes rough rolling rolls 4 ⁇ / b> A and 4 ⁇ / b> B, and the material to be rolled 14 is disposed upstream of each of the rough rolling rolls 4 ⁇ / b> A and 4 ⁇ / b> B on the conveyance line of the material 14 to be rolled.
  • Upstream coarse descalers 31A and 31B for injecting high-pressure water from above and below are disposed.
  • downstream rough descalers 45A and 45B for injecting high-pressure water from the up and down direction of the material to be rolled 14 are arranged downstream of the rough rolling rolls 4A and 4B on the conveying line of the material to be rolled 14, respectively.
  • the rough rolling roll 4A has a pair of first rolled material roll coolings 41 and 42 for injecting high pressure water to the upper rough rolling roller 4AA, and 1 for injecting high pressure water to the lower rough rolling roller 4AA.
  • a pair of second rolled material roll coolings 43 and 44 are provided.
  • a pair of third rolled material roll coolings 46 and 47 for injecting high-pressure water to the upper rough rolling roller 4BA and a high-pressure water to the lower rough rolling roller 4BB are sprayed to the rough rolling roll 4B.
  • a pair of fourth rolled material roll coolings 48 and 49 are provided.
  • the control setting value of each spray is determined according to the number of reciprocations of the rough rolling rolls 4A and 4B.
  • the control setting process for determining the control setting value for each spray will be described in detail below.
  • 10A and 10B are diagrams schematically illustrating the control setting process of the control setting device 200 according to the third embodiment of the present invention.
  • step S115 the spray pattern number of the rough rolling portion 4 corresponding to the steel type code of the setting request signal supplied from the level 3 computer 101 is “0” (step S115).
  • step S113 the spray pattern number of the rough rolling section 4 is not directly input from the level 3 computer 101 (step S113), and the spray pattern number of the rough rolling section 4 is not directly input from the HMI 102 (step S109). .
  • the control setting determination unit 201b receives the setting request signal supplied from the level 3 computer 101 from the SGF table storage unit 206b. An SGF table corresponding to the contained component information is extracted.
  • the control setting determination unit 201b determines that the extracted SGF The execution parameter number “1” corresponding to the target plate thickness “3” and the target plate width “5” included in the setting request signal is extracted from the table.
  • the control setting determination unit 201b extracts an execution parameter from the execution parameter table storage unit 206d based on the extracted execution parameter number “1” and the path schedule included in the setting request signal, and extracts this execution parameter. Based on the executed execution parameter, the control setting value of each spray is determined.
  • the pass schedule indicates the number of passes of each of the rough rolling rolls 4A and 4B, and when the rough rolling roll 4A performs rough rolling in a total of six passes, three times for the rough rolling roll 4A and three times for the rough rolling roll 4B, The schedule is “3-3”.
  • control setting values for the first to third passes of the rough rolling roll 4A are set to “ON”, “OFF”, and “ON”. Then, control setting values “ON”, “OFF”, and “ON” for the first to third passes are set in the rough rolling roll 4A.
  • the rough rolling rolls 4A and 4B are Even in the case where rough rolling is performed while reciprocating the material to be rolled 14 with respect to the conveyance direction of the material to be rolled 14, respectively, the control setting value of each spray can be set finely for each pass.
  • the control setting device 200 according to the fourth embodiment of the present invention will be described by taking the processing procedure of the control setting process in the run-out laminar spray cooling unit 11 as an example.
  • the end part When the material to be rolled 14 is cooled by the run-out laminar spray cooling unit 11, the end part is easily cooled, so that a temperature difference is generated between the center part and the end part, and the temperature difference may be deformed.
  • the run-out laminar spray cooling unit 11 provided in the control setting device 200 according to the second embodiment of the present invention prevents the cooling water to be sprayed from being injected in order to prevent overcooling of the end of the material 14 to be rolled. Control is performed so as not to hit the end of the rolled material 14.
  • FIG. 11 is a block diagram showing the configuration of the run-out laminar spray cooling unit 11 of the control setting device 200 according to the fourth embodiment of the present invention.
  • FIG. 11 shows only one bank of the run-out laminar spray cooling unit 11, but the run-out laminar spray cooling unit 11 has a plurality of banks in the conveying direction of the material to be rolled 14.
  • a ball screw 112 that rotates about the rotation axis P by the rotation of the motor 116, a nut portion 113 that moves up and down by the rotation of the ball screw 112, and one end portion of the nut portion 113.
  • 12A and 12B are diagrams schematically illustrating control setting processing of the control setting device 200 according to the fourth embodiment of the present invention.
  • step S115 the spray pattern number of the run-out laminar spray cooling unit 11 corresponding to the steel type code of the setting request signal supplied from the level 3 computer 101 is “0” (step S115).
  • the spray pattern number of the run-out laminar spray cooling unit 11 is not directly input from the level 3 computer 101 (step S113), and the spray pattern number of the rough rolling unit 4 is not directly input from the HMI 102 (step S113). S109).
  • the control setting determination unit 201b sets the setting request supplied from the level 3 computer 101 from the SGF table storage unit 206b. An SGF table corresponding to the component information included in the signal is extracted.
  • the control setting determination unit 201b determines that the extracted SGF The execution parameter number “1” corresponding to the target plate thickness “3” and the target plate width “5” included in the setting request signal is extracted from the table.
  • control setting determination unit 201b extracts an execution parameter from the execution parameter table storage unit 206d based on the extracted execution parameter number “1” and the offset amount from the finishing side setting width, Based on the extracted execution parameters, a control setting value for setting whether to use an edge mask, that is, whether to move the guard plates 111a and 111b in the R1 direction and the R2 direction is determined.
  • control setting device 200 in addition to the effects of the control setting device 200 according to the first embodiment of the present invention, in addition to the effects of the control setting device 200 according to the first embodiment of the present invention, the control set value of the motor 116 that moves the guard plates 111a and 111b is set finely so that the cooling water to be sprayed does not hit the end of the material to be rolled 14. be able to.
  • the present invention based on the SGF table stored in the SGF table storage unit 206b or the finishing spray code table stored in the finishing spray code table storage unit 206c, although the execution parameter number is extracted and the combination of the control setting values corresponding to the extracted execution parameter number is determined from the execution parameter information, the present invention is not limited to this.
  • control setting device 200 stores the steel type code and the execution parameter code in association with each other as a second GCI table, and is supplied with a setting request signal for requesting determination of a combination of control setting values in the steel type from the level 3 computer 101. Then, the execution parameter number corresponding to the steel type code, the target plate thickness and the target plate width included in the setting request signal is extracted from the GCI table, and the control setting corresponding to the extracted execution parameter number is extracted from the execution parameter information. A combination of values may be determined.
  • the present invention can be applied to a hot rolling system that controls a hot rolling apparatus for rolling a metal hot.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
PCT/JP2009/068111 2009-10-21 2009-10-21 制御設定装置及び制御設定方法 WO2011048671A1 (ja)

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PCT/JP2009/068111 WO2011048671A1 (ja) 2009-10-21 2009-10-21 制御設定装置及び制御設定方法
JP2011537052A JP5380544B2 (ja) 2009-10-21 2009-10-21 制御設定装置及び制御設定方法
KR1020127009827A KR101443991B1 (ko) 2009-10-21 2009-10-21 제어 설정 장치 및 제어 설정 방법
CN200980162118.1A CN102665948B (zh) 2009-10-21 2009-10-21 控制设定装置及控制设定方法
US13/503,108 US20120260708A1 (en) 2009-10-21 2009-10-21 Control setup device and control setup method
TW098141364A TWI439332B (zh) 2009-10-21 2009-12-03 Control setting means and control setting method

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JP6188606B2 (ja) * 2014-03-06 2017-08-30 株式会社神戸製鋼所 冷間圧延におけるセットアップ条件の決定方法
JP6438753B2 (ja) * 2014-12-05 2018-12-19 株式会社日立製作所 タンデム圧延ミルの制御装置およびタンデム圧延ミルの制御方法
JP6233614B2 (ja) * 2016-01-27 2017-11-22 Ｊｆｅスチール株式会社 熱延鋼帯の製造設備列および熱延鋼帯の製造方法
CN106944482A (zh) * 2017-03-28 2017-07-14 首钢京唐钢铁联合有限责任公司 一种粗轧除鳞的控制方法

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CN102665948A (zh) 2012-09-12
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JPWO2011048671A1 (ja) 2013-03-07
US20120260708A1 (en) 2012-10-18
KR101443991B1 (ko) 2014-09-23
TW201114512A (en) 2011-05-01
TWI439332B (zh) 2014-06-01
CN102665948B (zh) 2014-11-05

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