EP3983145B1 - Refroidissement séquentiel de produits larges plats métalliques - Google Patents

Refroidissement séquentiel de produits larges plats métalliques Download PDF

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Publication number
EP3983145B1
EP3983145B1 EP20733703.1A EP20733703A EP3983145B1 EP 3983145 B1 EP3983145 B1 EP 3983145B1 EP 20733703 A EP20733703 A EP 20733703A EP 3983145 B1 EP3983145 B1 EP 3983145B1
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EP
European Patent Office
Prior art keywords
fluid
cooling
wide flat
outlet row
fluid chamber
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP20733703.1A
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German (de)
English (en)
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EP3983145A1 (fr
Inventor
Christoph Hassel
Henning Berg
Thomas Heimann
August Sprock
Ulrich Cramer
Anne-Marie Fontayne
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SMS Group GmbH
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SMS Group GmbH
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Publication date
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Publication of EP3983145A1 publication Critical patent/EP3983145A1/fr
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Classifications

    • 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
    • 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
    • B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • 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 invention relates to a device for the sequential cooling of metal wide flat products, having at least one cooling beam and at least one supply device for supplying the cooling beam with a cooling fluid, the cooling beam having a fluid chamber connected to the supply device, at least one fluid outlet row running along a longitudinal axis of the fluid chamber, which consists of fluid outlets communicating with the fluid chamber, and having at least one varying device arranged at least partially within the fluid chamber for varying a length of the fluid outlet row at at least one end region of the fluid chamber.
  • the invention also relates to a metallurgical plant in the form of a hot strip mill, a CSP plant or a strip process line, having at least one roll stand for rolling metal wide flat products and at least one device for sequential cooling of metal wide flat products rolled with the roll stand.
  • the invention relates to a method for the sequential cooling of metal wide flat products using at least one cooling beam, which has a fluid chamber that can be supplied with a cooling fluid and at least one fluid outlet row running along a longitudinal axis of the fluid chamber and made up of fluid outlets that are connected to the fluid chamber in a communicating manner, with a length of the fluid outlet row is varied at least in one end region of the fluid chamber by means of a varying device.
  • metal wide flat products such as metal strips or metal sheets
  • rolling mills like Hot rolling mills or heavy plate rolling mills to cool the wide flat products using chilled beams which apply a cooling fluid to the respective wide flat product and extend across the width of a transport route or a roller table along which the wide flat products are transported.
  • a rolling mill can, for example, also be a hot strip mill, a CSP (Compact Strip Production) plant or a strip processing line.
  • a chilled beam has a fluid chamber that can be supplied with a cooling fluid and at least one row of fluid outlets that runs along a longitudinal axis of the fluid chamber and is formed from fluid outlets that are connected to the fluid chamber in a communicating manner.
  • Cooling fluid outlet pipes shaped like a swan neck can be arranged at the fluid outlets for applying the cooling fluid to the wide flat product to be cooled.
  • DE 199 34 557 A1 which forms the basis for the preamble of claims 1 and 11, respectively, discloses a device for cooling metal strips or sheets conveyed on a conveyor line, in particular hot-rolled steel strips at the outlet of a rolling train.
  • the device has at least one cooling beam, which extends essentially across the width of the conveying section, for applying cooling liquid to the metal strip or sheet to be cooled.
  • the width over which the cooling liquid emerges from the chilled beam can be adjusted depending on the width of the metal strip or sheet to be cooled.
  • An object of the invention is to improve the production of metal wide flat products.
  • Configurations of the device can correspond to configurations of the method, and vice versa, even if this is not explicitly referred to in the following in individual cases.
  • the device according to the invention has at least one control and/or regulating electronic system connected to the supply device and the varying device, which is set up to control the supply device and the varying device in such a way that when there is a reduced row of fluid outlets, a volumetric flow of the cooling fluid compared to a volume flow of the cooling fluid exiting from the respective fluid outlet of the maximum fluid outlet row when a maximum fluid outlet row is present is increased by a cooling fluid volume flow which corresponds at least to part of a volume flow of the cooling fluid which exits from those fluid outlets of the maximum fluid outlet row when the maximum fluid outlet row is present , which are closed by means of the varying device when the reduced fluid outlet row is present.
  • a volume flow of the cooling fluid exiting from the fluid outlets of the reduced row of fluid outlets in particular cooling water compared to a volume flow of the cooling fluid exiting from the fluid outlets of the maximum fluid outlet row when the maximum fluid outlet row is present, i.e. when the maximum length of the fluid outlet row of the chilled beam is present, is increased by at least part of a volume flow of the cooling fluid which, when the maximum fluid outlet row is present, consists of those Fluid outlets of the maximum fluid outlet row would escape, which are closed in the presence of the reduced fluid outlet row by means of the varying device.
  • the cooling fluid saved in one end area or in both end areas of the chilled beam a specific application of the cooling fluid to the wide flat product to be cooled is increased, in particular in the case of wide flat products with smaller widths.
  • higher cooling rates are achieved, which leads to better mechanical properties of the wide flat products produced accordingly.
  • this is achieved in particular by means of an adjustment option for the impingement width by means of the variation device in combination with regulation of the amount of cooling water by means of the supply device, which can have a flow controller, for example.
  • a finer grain structure of the metal structure can be imparted to the chilled product by the greater specific loading of a wide flat product to be cooled, which significantly improves its mechanical properties.
  • the invention it is possible to increase the specific loading of the wide flat product to be cooled with the cooling fluid by up to 100%, without a cooling fluid management system having to make more cooling fluid available for this purpose and without having to consume more energy to pump the cooling fluid into to pump and/or treat an elevated tank.
  • the chilled beam can in particular be a laminar chilled beam from which laminar cooling fluid flows emerge.
  • the cooling beam can have coolant outlet pipes, which are connected to the fluid outlets and can each be designed in the shape of a gooseneck, for example.
  • the device according to the invention can also have several cooling beams according to the invention, which can be arranged above and/or below the wide flat product to be cooled.
  • the chilled beams arranged above or below the wide flat product to be cooled can be arranged in any number of swiveling groups, as is shown, for example, in DE 198 43 038 A1 is known. In the presence of a reduced row of fluid outlets, there is a higher pressure in the chilled beam than in the presence of the maximum row of fluid outlets.
  • the fluid chamber of the at least one cooling beam can be designed in the form of a hollow cylinder.
  • the chilled beam can also have two or more rows of fluid outlets, the length of which can be varied according to the invention by means of the varying device.
  • the longitudinal axis of the fluid chamber runs perpendicular to a transport direction of a wide flat product to be cooled through the device according to the invention.
  • the fluid outlets of the respective fluid outlet row can be arranged equidistantly or with a varying spacing.
  • Additional baffles can be installed inside the fluid chamber in order to ensure that an almost identical amount of cooling fluid is applied to a wide flat product to be cooled per fluid outlet, despite a changing pressure distribution in the chilled beam.
  • the varying device arranged partially or completely within the fluid chamber can be set up to vary the length of the at least one row of fluid outlets at one end area or at both end areas of the fluid chamber.
  • the varying device can have at least one shielding means arranged movably within the fluid chamber for closing or covering fluid outlets and at least one actuator drivingly connected to the shielding means for actuating the shielding means.
  • the supply device can have at least one cooling fluid reservoir and at least one cooling fluid pump for pumping the cooling fluid to the at least one cooling beam.
  • the supply device can have at least one flow meter and/or flow regulator connected to the control and/or regulation electronics.
  • control and/or regulation electronics can be a separate unit or can be realized by a software implementation in existing system electronics.
  • the device according to the invention can be set up, in the presence of a maximum fluid outlet row, in particular over an entire roller table width, to apply a specific cooling fluid application of between 30 m 3 /m 2 h and 100 m 3 /m 2 h to an upper side of a metal wide flat product and/or a To apply underside of the metal wide flat product with a specific cooling fluid application between 30 m 3 / m 2 h and 200 m 3 / m 2 h.
  • control and/or regulating electronics are set up to actuate the supply device and the varying device in such a way that when the maximum row of fluid outlets is present, the volume flow of the cooling fluid that can be or is being fed to the chilled beam can be or can be fed to the chilled beam even with a reduced row of fluid outlets. is supplied.
  • a volume flow of the cooling fluid exiting from the fluid outlets of the reduced fluid outlet row is increased by a volume flow of cooling fluid that corresponds to a volume flow of the cooling fluid at presence of the maximum fluid outlet row exits from those fluid outlets of the maximum fluid outlet row which are closed by means of the varying device when the reduced fluid outlet row is present.
  • the varying device is set up to reduce the length of the fluid outlet row by up to 40% in at least one end region of the fluid chamber.
  • This reduction in the row of fluid outlets can be done on a drive side or an operator side of the device or a rolling mill equipped with it.
  • the fluid outlet row can be reduced, for example, by up to 40% of a maximum roller table width. Provision can be made for the varying device to be set up to reduce the length of the row of fluid outlets at both end regions of the fluid chamber by up to 40% in each case.
  • the varying device has at least one rod that can be at least partially retracted into the fluid chamber and extended out of the fluid chamber along the longitudinal axis of the fluid chamber, with which fluid outlets can be sequentially opened when the rod is extended and can be sequentially covered in a fluid-tight manner when the rod is retracted.
  • the rod can be designed in such a way that it can be inserted or inserted at least partially into the fluid chamber while leaving a slight amount of play or in a form-fitting manner is.
  • the rod can be solid or designed as a hollow body, the latter being associated with a reduction in weight.
  • the varying device can also have two counter-rotating rods that can be moved at least partially into the fluid chamber and can be extended out of the fluid chamber, which can each be moved in opposite directions independently of one another or synchronously by means of an actuator.
  • the varying device has at least one shielding plate which can be rotated about the longitudinal axis of the fluid chamber and is arranged at least partially inside the fluid chamber, with which fluid outlets can be sequentially opened or sequentially covered in a fluid-tight manner when the shielding plate is rotated, depending on the direction of rotation.
  • the shielding plate can, for example, extend over the entire axial length of the fluid chamber or approximately over this length and have at least one side in the circumferential direction with respect to the longitudinal axis of the fluid chamber, which does not run parallel to the longitudinal axis of the fluid chamber or runs spirally. When such a shielding plate rotates, the fluid outlets are sequentially released or sequentially covered in a fluid-tight manner, depending on the direction of rotation.
  • the shielding plate can be arranged in an end area of the fluid chamber.
  • the shielding plate can be rotated by means of an actuator that is connected to the open-loop and/or closed-loop control electronics.
  • the varying device can also have two shielding plates which are arranged in the opposite end regions of the fluid chamber.
  • the varying device has at least one dividing wall arranged within the fluid chamber so as to be displaceable along the longitudinal axis of the fluid chamber and with which a volume available for the cooling fluid within the fluid chamber can be varied.
  • the partition is oriented perpendicular to the longitudinal axis of the fluid chamber.
  • the dividing wall is preferably sealed circumferentially relative to the wall of the fluid chamber.
  • the partition wall can be displaced within the fluid chamber by means of an actuator which is connected to the control and/or regulating electronics.
  • the variator can also have two partition walls that can be displaced in opposite directions, each of which can be moved in opposite directions independently of one another or synchronously by means of an actuator.
  • the device has at least one measuring device connected to the control and/or regulating electronics for measuring at least one parameter of a wide flat product to be cooled, the control and/or regulating electronics being set up taking into account the supply device and the varying device controlled by measurement signals of the measuring device.
  • the device can be operated automatically.
  • the variation in the length of the at least one row of fluid outlets and the associated activation of the supply device can take place automatically, taking into account measurement signals from the measurement device.
  • the device is able to optimally adapt itself to the respective wide flat product to be cooled.
  • the measuring device can be set up for contactless detection of the at least one parameter.
  • the device can be set up to carry out material tracking.
  • the control and/or regulating electronics can be set up to control the supply device and the varying device, taking into account measurement signals from the measuring device and signals from material tracking.
  • the measuring device is set up, as a parameter, a width of the wide flat product, a local temperature of the wide flat product, a temperature distribution over a width of the wide flat product, a flatness of the wide flat product, a mechanical property of the wide flat product or a distribution of a mechanical property of the wide flat product to be detected across the width of the wide flat product.
  • the specific loading of the wide flat product to be cooled in an active cooling area of the device using a measured value, which is generated, for example, with a magnetic-inductive measuring system, or a model value, which is derived, for example, from a microstructure model, of the mechanical properties of the wide flat product by means of the control and/or regulating electronics, with the aim of setting the mechanical properties of the wide flat product exactly to the target value over its length.
  • a measured value which is generated, for example, with a magnetic-inductive measuring system, or a model value, which is derived, for example, from a microstructure model, of the mechanical properties of the wide flat product by means of the control and/or regulating electronics, with the aim of setting the mechanical properties of the wide flat product exactly to the target value over its length.
  • the width of the impingement of the wide flat product with the cooling fluid can also be regulated with the aim of producing more homogeneous product properties. This does not necessarily have to be the case with a homogeneous temperature profile of the wide flat product.
  • the measuring device is arranged in front of or behind the cooling beam with respect to a transport direction of a wide flat product through the device.
  • the measuring device is therefore arranged in front of or behind a cooling section formed by the device or containing the device.
  • the device can have at least one measuring device arranged in front of the chilled beam and at least one measuring device arranged behind the chilled beam.
  • the control and/or regulating electronics can be used, for example, to pre-control the operating settings of the device are made.
  • the operating parameters of the device can be regulated by means of the control and/or regulating electronics during operation of the device, ie in real time or online.
  • a metallurgical plant according to the invention in the form of a hot strip mill, a CSP plant or a strip process line has at least one roll stand for rolling metal wide flat products and at least one device for sequential cooling of metal wide flat products rolled with the roll stand, the device according to one of the above-mentioned configurations or a combination of at least two of these configurations.
  • a length of the fluid outlet row is at least an end region of the fluid chamber varies by means of a varying device.
  • a volume flow of the cooling fluid exiting from the fluid outlets of the reduced fluid outlet row is increased by a cooling fluid volume flow, which at least part of a Corresponds volume flow of the cooling fluid that exits in the presence of the maximum fluid outlet row from those fluid outlets of the maximum fluid outlet row at Presence of the reduced fluid outlet series are closed by means of the varying device.
  • the device can be used according to one of the above-mentioned configurations or a combination of at least two of these configurations with one another to carry out the method.
  • a volume flow of cooling fluid that can be or is being supplied to the chilled beam when the maximum fluid outlet row is present is also fed to the chilled beam when a reduced fluid outlet row is present.
  • the length of the fluid outlet row is reduced by up to 40% in at least one end area of the fluid chamber.
  • At least one measured value for at least one parameter of a wide flat product to be cooled is recorded, with the length of the fluid outlet row at at least one end region of the fluid chamber and the supply of the fluid chamber with the cooling fluid varying taking into account the measured value and/or a model value of the parameter becomes.
  • a width of the wide flat product, a local temperature of the wide flat product, a temperature distribution over a width of the wide flat product, a flatness of the wide flat product, a mechanical property of the wide flat product or a distribution of a mechanical property of the wide flat product over the width of the wide flat product are used as parameters detected.
  • the measured value and/or a model value is/are used to precontrol the cooling of a wide flat product or to regulate the cooling of the wide flat product.
  • the device can have a measuring device arranged in front of or behind the cooling beam with respect to a transport direction of a wide flat product through the device.
  • figure 1 shows a schematic representation of an exemplary embodiment of a metallurgical plant 1 according to the invention in the form of a hot strip mill, a CSP plant or a strip processing line.
  • the system 1 has a roll stand 2 for rolling metal wide flat products 3, the wide flat product 3 shown being designed as a strip.
  • the system 1 has a device 4 for the sequential cooling of metallic wide flat products 3 rolled with the roll stand 2 .
  • the device 4 has a plurality of cooling beams 13 combined into cooling segments 5 to 12, the cooling segments 5 to 8 being arranged above the wide flat product 3 and the cooling segments 9 to 12 being arranged below the wide flat product 3 in order to cool an upper side or an underside of the wide flat product 3 be able.
  • the device 4 has a supply device (not shown) for supplying the chilled beams 13 with a cooling fluid.
  • Each of the chilled beams 13 has a fluid chamber, not shown, connected to the supply device and at least one along a transverse plane of FIG figure 1 Standing longitudinal axis of the fluid chamber extending, not shown, fluid outlet row, which communicates with the Fluid chamber connected, fluid outlets not shown is formed. Furthermore, each of the chilled beams 13 has a varying device (not shown) arranged at least partially within the fluid chamber of the respective chilled beam 13 for varying a length of the fluid outlet row of the respective chilled beam 13 at at least one end region of the fluid chamber.
  • the varying device of the respective chilled beam 13 can be set up to reduce the length of the fluid outlet row of the chilled beam 13 by up to 40% at at least one end area of the fluid chamber.
  • the varying device of the respective chilled beam 13 can have at least one rod (not shown) that can be moved at least partially into the fluid chamber and extended out of the fluid chamber along the longitudinal axis of the fluid chamber of the chilled beam 13, with which fluid outlets can be released sequentially when the rod is extended and are sequentially fluid-tight when the rod is retracted are concealable.
  • the varying device of the respective cooling beam 13 can have at least one shielding plate (not shown) that is rotatable about the longitudinal axis of the fluid chamber of the cooling beam 13 and is arranged at least partially within the fluid chamber, with which fluid outlets can be sequentially opened or sequentially fluid-tightly covered depending on the direction of rotation of the shielding plate, depending on the direction of rotation.
  • the varying device of the respective chilled beam 13 can have at least one dividing wall arranged displaceably along the longitudinal axis of the fluid chamber of the chilled beam 13 within the fluid chamber, with which a volume available for the cooling fluid inside the fluid chamber can be varied.
  • the device 4 has control and/or regulating electronics 14 connected to the supply device and the varying device, which are set up to control the supply device and the varying device in such a way that when there is a reduced fluid outlet row of the respective cooling beam 13, one of the fluid outlets of the reduced
  • the volume flow of the cooling fluid exiting the fluid outlet row is increased by a volume flow of cooling fluid that exits from the respective fluid outlet of the maximum fluid outlet row when there is a maximum fluid outlet row of the chilled beam 13, by a cooling fluid volume flow that corresponds at least to a part of a volume flow of the cooling fluid that consists of those when the maximum fluid outlet row is present
  • Fluid outlets of the maximum fluid outlet row exits which are closed in the presence of the reduced fluid outlet row by means of the varying device.
  • the control and/or regulating electronics 14 can, in particular, be set up to actuate the supply device and the varying device in such a way that a volume flow of the cooling fluid that can be or is being supplied to the respective cooling beam 13 when the maximum fluid outlet row is present can be or is being fed to the cooling beam 13 even when the fluid outlet row is reduced becomes.
  • the device 4 has a measuring device 15 connected to the control and/or regulating electronics 14 and arranged in front of the cooling beam 13 with respect to a transport direction of a wide flat product 3 through the device 4 for measuring at least one parameter of the wide flat product 13 to be cooled, wherein the Control and/or regulating electronics 14 are set up to control the supply device and the varying device, taking measurement signals from the measuring device 15 into account.
  • Measuring device 15 can be set up to measure a width of wide flat product 3, a local temperature of wide flat product 3, a temperature distribution over a width of wide flat product 3, an evenness of wide flat product 3, a mechanical property of wide flat product 3 or a distribution of a mechanical property of the wide flat product 3 as parameters To detect wide flat product 3 over the width of the wide flat product 3.
  • the device 4 has a measuring device 16 which is connected to the control and/or regulating electronics 14 and is arranged behind the cooling beam 13 with respect to a transport direction of a wide flat product 3 through the device 4 Measuring at least one parameter of the chilled wide flat product 13, the control and/or regulating electronics 14 being set up to control the supply device and the varying device, taking measurement signals from the measuring device 16 into account.
  • Measuring device 16 can be set up to measure a width of wide flat product 3, a local temperature of wide flat product 3, a temperature distribution over a width of wide flat product 3, an evenness of wide flat product 3, a mechanical property of wide flat product 3 or a distribution of a mechanical property of the wide flat product 3 as parameters Wide flat product 3 to detect across the width of the wide flat product 3.
  • figure 2 shows a schematic representation of an exemplary embodiment of a device 17 according to the invention for the sequential cooling of metal wide flat products 3.
  • Device 17 has cooling beams 18 and a supply device 19 for supplying cooling beam 18 with a cooling fluid, cooling beam 18 having a fluid chamber 20 connected to supply device 19, a fluid outlet row running along a longitudinal axis 21 of fluid chamber 20, which communicates with the fluid chamber 20 connected fluid outlets 22 is formed, and at least partially arranged within the fluid chamber 20 varying device 23 for varying a length of the fluid outlet row at both end regions of the fluid chamber 20.
  • a fluid outlet tube 24 which is curved in the shape of a swan neck extends from each fluid outlet 22 .
  • the device 17 has control and/or regulating electronics 14 connected to the supply device 19 and the varying device 23, which are set up to actuate the supply device 19 and the varying device 23 in such a way that when there is a reduced row of fluid outlets, one of the fluid outlets 22 of the reduced fluid outlet row escaping volume flow of the cooling fluid compared to the presence of a maximum fluid outlet row
  • the volume flow of the cooling fluid exiting from the respective fluid outlet 22 of the maximum fluid outlet row is increased by a cooling fluid volume flow that corresponds to at least part of a volume flow of the cooling fluid that, when the maximum fluid outlet row is present, exits from those fluid outlets 22 of the maximum fluid outlet row that, when the reduced fluid outlet row is present, by means of of the varying device 23 are closed.
  • the control and/or regulating electronics 14 can be set up to actuate the supply device 19 and the varying device 23 in such a way that a volume flow of the cooling fluid that can be fed or is being fed to the chilled beam 18 when the maximum fluid outlet row is present can also be fed to the chilled beam 18 with a reduced fluid outlet row or is supplied.
  • the varying device 23 can be set up to reduce the length of the row of fluid outlets in at least one end area of the fluid chamber 20 by up to 40%.
  • the varying device 23 has two rods 25 and 26 that can be moved at least partially in opposite directions into the fluid chamber 20 and extended out of the fluid chamber 20 along the longitudinal axis 21 of the fluid chamber 20, with which fluid outlets 22 can be released sequentially when the respective rod 25 or 26 is extended and when the Retraction of the respective rod 25 or 26 can be concealed sequentially in a fluid-tight manner.
  • the device 17 can have at least one measuring device (not shown) connected to the control and/or regulating electronics 14 for measuring at least one parameter of a wide flat product 3 to be cooled, wherein the control and/or regulating electronics 14 can be set up, the supply device 19 and to control the varying device 23 taking into account measurement signals of the measuring device.
  • the measuring device can be set up, as a parameter, a width of the wide flat product 3, a local temperature of the wide flat product 3, a temperature distribution over a width of the wide flat product 3, a flatness of the wide flat product 3, a mechanical property of the wide flat product 3 or a distribution of a mechanical property of the wide flat product 3 to detect across the width of the wide flat product 3.
  • the measuring device can be arranged in front of or behind the cooling beam 18 with respect to a transport direction 27 of the wide flat product 3 through the device 17 .
  • figure 3 shows a schematic representation of a further exemplary embodiment of a device 28 according to the invention for the sequential cooling of metal wide flat products 3.
  • the device 28 differs from that in figure 2 shown embodiment that the varying device 29 has two partitions 30 and 31 arranged in opposite directions within the fluid chamber 20 along the longitudinal axis 21 of the fluid chamber 20, with which in each case a volume available for the cooling fluid within the fluid chamber 20 can be varied.
  • the varying device 29 has two partitions 30 and 31 arranged in opposite directions within the fluid chamber 20 along the longitudinal axis 21 of the fluid chamber 20, with which in each case a volume available for the cooling fluid within the fluid chamber 20 can be varied.

Claims (16)

  1. Dispositif (4, 17, 28) destiné au refroidissement séquentiel de produits plats métalliques (3) de dimension large, qui présente au moins une barre de refroidissement (13, 18) et au moins un dispositif d'alimentation (19) pour l'alimentation en fluide de refroidissement de la barre de refroidissement (13, 18) ; dans lequel la barre de refroidissement (13, 18) présente une chambre pour fluide (20) qui est relié au dispositif d'alimentation (19), au moins une série de prises de fluide qui s'étendent le long d'un axe longitudinal (21) de la chambre pour fluide (20), qui est formée à partir de prises de fluide (22) qui sont mises en communication avec la chambre pour fluide (20), et au moins un dispositif de variation (23, 29) qui est disposé au moins en partie à l'intérieur de la chambre pour fluide (20), destiné à la variation d'une longueur de la série de prises de fluide, contre au moins une zone terminale de la chambre pour fluide (20),
    caractérisé par au moins une électronique de commande et/ou de réglage (14) qui est reliée au dispositif d'alimentation (19) et au dispositif de variation (23, 29), qui est conçue pour la commande du dispositif d'alimentation (19) et du dispositif de variation (23, 29) d'une manière telle que, en présence d'une réduction de la série de prises de fluide, un courant volumique du fluide de refroidissement, qui sort en passant par les prises de fluide (22) de la série réduite de prises de fluide, est renforcé par rapport à un courant volumique du fluide de refroidissement qui sort en passant par la prise de fluide respective (22) de la série maximale de prises de fluide, en présence d'une série maximale de prises de fluide, à raison d'un courant volumique de fluide de refroidissement qui correspond au moins à une partie d'un courant volumique du fluide de refroidissement qui sort en passant par les prises de fluide (22) de la série maximale de prises de fluide, en présence de la série maximale de prises de fluide, qui sont fermées en présence de la réduction de la série de prises de fluide, au moyen du dispositif de variation (23, 29).
  2. Dispositif (4, 17, 28) selon la revendication 1, caractérisé en ce que l'électronique de commande et/ou de réglage (14) est conçue pour la commande du dispositif d'alimentation (19) et du dispositif de variation (23, 29) d'une manière telle que l'on peut acheminer ou que l'on achemine, à la barre de refroidissement (13, 18), un courant volumique du fluide de refroidissement qui peut être acheminé ou qui est acheminé à la barre de refroidissement (13, 18) en présence de la série maximale de prises de fluide, également dans le cas d'une réduction de la série de prises de fluide.
  3. Dispositif (4, 17, 28) selon la revendication 1 ou 2, caractérisé en ce que le dispositif de variation (23, 29) est conçu pour réduire la longueur de la série de prises de fluide au moins à un endroit qui correspond à une zone terminale de la chambre pour fluide (20) à raison d'un pourcentage qui s'élève jusqu'à 40 %.
  4. Dispositif (4, 17) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de variation (23) présente au moins une tige (25,26), le long de l'axe longitudinal (21) de la chambre pour fluide (20), qui peut, au moins en partie, entrer dans la chambre pour fluide (20) et ressortir de la chambre pour fluide (20), avec laquelle des prises de fluide (22) peuvent être libérées d'une manière séquentielle lorsque la tige (25, 26) ressort et qui peuvent être recouvertes d'une façon étanche aux fluides d'une manière séquentielle lors de la rentrée de la tige (25, 26).
  5. Dispositif (4) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de variation présente au moins une tôle de protection qui est disposée de manière à pouvoir effectuer des rotations autour de l'axe longitudinal (21) de la chambre pour fluide (20) et qui est disposée, au moins de manière partielle, à l'intérieur de la chambre pour fluide (20), avec laquelle des prises de fluide (22), lors de la rotation de la tôle de protection, peuvent être libérées d'une manière séquentielle ou recouvertes d'une façon étanche aux fluides d'une manière séquentielle, en fonction du sens de rotation.
  6. Dispositif (4, 28) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le dispositif de variation (29) présente au moins une paroi de séparation (30, 31) qui est disposée au sein de la chambre pour fluide (20) d'une manière à pouvoir se déplacer le long de l'axe longitudinal (21) de la chambre pour fluide (20), avec laquelle un volume qui est mis à la disposition du fluide de refroidissement au sein de la chambre pour fluide (20) peut être soumis à des variations.
  7. Dispositif (4, 17, 28) selon l'une quelconque des revendications 1 à 6, caractérisé par au moins un dispositif de mesure (15, 16), qui est relié à l'électronique de commande et/ou de réglage (14), destiné à mesurer au moins un paramètre d'un produit plat (3) de dimension large qui doit être refroidi ; dans lequel l'électronique de commande et/ou de réglage (14) est conçue pour la commande du dispositif d'alimentation (19) et du dispositif de variation (23, 29) en prenant en compte des signaux de mesure du dispositif de mesure (15, 16).
  8. Dispositif (4, 17, 28) selon la revendication 7, caractérisé en ce que le dispositif de mesure (15, 16) est conçu pour enregistrer, à titre de paramètres, une largeur du produit plat (3) de dimension large, une température locale du produit plat (3) de dimension large, une distribution de la température sur une largeur du produit plat (3) de dimension large, une planéité du produit plat (3) de dimension large, une propriété mécanique du produit plat (3) de dimension large ou une répartition d'une propriété mécanique du produit plat (3) de dimension large sur la largeur du produit plat (3) de dimension large.
  9. Dispositif (4, 17, 28) selon la revendication 7 ou 8, caractérisé en ce que le dispositif de mesure (15, 16) est disposé, par rapport à une direction de transport (27) d'un produit plat (3) de dimension large à travers le dispositif (4, 17, 28), devant ou derrière la barre de refroidissement (13, 18).
  10. Installation métallurgique (1) sous la forme d'un train de laminage à chaud, d'une installation CSP ou d'une ligne de traitement de bande, qui présente au moins une cage de laminoir (2) destinée au laminage de produits métalliques plats (3) de dimension large et au moins un dispositif (4, 17, 28) qui est destiné au refroidissement séquentiel de produits métalliques plats (3) de dimension large, qui ont été soumis à un laminage avec la cage de laminoir (2), caractérisée en ce que le dispositif (4, 17, 28) est réalisé en conformité avec l'une quelconque des revendications 1 à 9.
  11. Procédé destiné au refroidissement séquentiel de produits métalliques plats (3) de dimension large en utilisant au moins une barre de refroidissement (13, 18) qui présente une chambre pour fluide (20) qui peut être alimentée avec un fluide de refroidissement et au moins une série de prises de fluide qui s'étendent le long d'un axe longitudinal (21) de la chambre pour fluide (20), réalisée à partir de prises de fluide (22) qui sont mises en communication avec la chambre pour fluide (20) ; dans lequel on soumet une longueur de la série de prises de fluide contre au moins une zone terminale de la chambre pour fluide (20) à des variations au moyen d'un dispositif de variation (23, 29), caractérisé en ce que, en présence d'une réduction de la série de prises de fluide, on renforce un courant volumique du fluide de refroidissement, qui sort en passant par les prises de fluide (22) de la série de prises de fluide qui a été réduite, par rapport à un courant volumique du fluide de refroidissement qui sort en passant par la prise de fluide respective (22) de la série maximale de prises de fluide, en présence d'une série maximale de prises de fluide, à raison d'un courant volumique du fluide de refroidissement qui correspond au moins à une partie d'un courant volumique du fluide de refroidissement qui sort en passant par les prises de fluide (22) de la série maximale de prises de fluide, en présence de la série maximale de prises de fluide, qui sont fermées en présence de la réduction de la série de prises de fluide, au moyen du dispositif de variation (23, 29).
  12. Procédé selon la revendication 11, caractérisé en ce que l'on achemine, à la barre de refroidissement (13, 18), un courant volumique du fluide de refroidissement qui peut être acheminé ou qui est acheminé à la barre de refroidissement (13, 18) en présence de la série maximale de prises de fluide, également dans le cas d'une réduction de la série de prises de fluide.
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce que l'on réduit la longueur de la série de prises de fluide au moins à un endroit qui correspond à une zone terminale de la chambre pour fluide (20) à raison d'une valeur qui s'élève jusqu'à 40 %.
  14. Procédé selon l'une quelconque des revendications 11 à 13, caractérisé en ce que l'on enregistre au moins une valeur de mesure qui concerne au moins un paramètre d'un produit plat (3) de dimension large qui doit être refroidi ; dans lequel on fait varier la longueur de la série de prises de fluide au moins dans une zone terminale de la chambre pour fluide (20) ainsi que l'alimentation de la chambre pour fluide (20) avec le fluide de refroidissement en prenant en compte la valeur de mesure et/ou une valeur modèle du paramètre.
  15. Procédé selon l'une quelconque des revendications 11 à 14, caractérisé en ce que l'on enregistre, à titre de paramètres, une largeur du produit plat (3) de dimension large, une température locale du produit plat (3) de dimension large, une distribution de la température sur une largeur du produit plat (3) de dimension large, une planéité du produit plat (3) de dimension large, une propriété mécanique du produit plat (3) de dimension large ou une répartition d'une propriété mécanique du produit plat (3) de dimension large sur la largeur du produit plat (3) de dimension large.
  16. Procédé selon la revendication 15, caractérisé en ce que l'on utilise la valeur de mesure et/ou une valeur modèle pour la commande pilote du refroidissement d'un produit plat (3) de dimension large ou pour le réglage du refroidissement du produit plat (3) de dimension large.
EP20733703.1A 2019-06-11 2020-06-09 Refroidissement séquentiel de produits larges plats métalliques Active EP3983145B1 (fr)

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DE102019208462.1A DE102019208462A1 (de) 2019-06-11 2019-06-11 Sequenzielles Kühlen von metallischen Breitflachprodukten
PCT/EP2020/065994 WO2020249573A1 (fr) 2019-06-11 2020-06-09 Refroidissement séquentiel de produits larges plats métalliques

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Publication number Priority date Publication date Assignee Title
JPS60238015A (ja) * 1984-05-10 1985-11-26 Mitsubishi Electric Corp 熱間圧延機における圧延温度・板形状制御装置
JPS6186022A (ja) * 1984-10-02 1986-05-01 Kawasaki Steel Corp 熱間鋼板の冷却方法
DE19843038B4 (de) 1998-09-19 2006-10-12 Sms Demag Ag Vorrichtung zum Kühlen von Walzgut innerhalb der Kühlstrecke einer Walzanlage zur laminarern Bandkühlung
DE19934557C2 (de) * 1999-07-22 2002-10-24 Thyssenkrupp Stahl Ag Vorrichtung zum Kühlen von auf einer Förderstrecke geförderten Metallbändern oder -blechen
DE102007053523A1 (de) * 2007-05-30 2008-12-04 Sms Demag Ag Vorrichtung zur Beeinflussung der Temperaturverteilung über der Breite
CN101837376B (zh) 2009-03-20 2011-09-21 宝山钢铁股份有限公司 一种柱塞式上喷层流冷却装置
DE102009019784A1 (de) 2009-05-02 2010-11-04 Sms Siemag Ag Vorrichtung und Verfahren zur Kühlung eines Metallbandes
DE102017206540A1 (de) * 2017-04-18 2018-10-18 Sms Group Gmbh Vorrichtung und Verfahren zum Kühlen von Metallbändern oder -blechen

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