EP3983145A1 - Sequenzielles kühlen von metallischen breitflachprodukten - Google Patents
Sequenzielles kühlen von metallischen breitflachproduktenInfo
- Publication number
- EP3983145A1 EP3983145A1 EP20733703.1A EP20733703A EP3983145A1 EP 3983145 A1 EP3983145 A1 EP 3983145A1 EP 20733703 A EP20733703 A EP 20733703A EP 3983145 A1 EP3983145 A1 EP 3983145A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- cooling
- fluid outlet
- outlet row
- flat product
- 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.)
- Granted
Links
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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys 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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/20—Perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0423—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus
-
- 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 metallic 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 is formed, and has 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 processing line, having at least one roll stand for rolling metallic wide flat products and at least one device for sequential cooling of metallic wide flat products rolled with the roll stand.
- the invention relates to a method for the sequential cooling of metallic 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 of fluid outlets communicating with the fluid chamber, a length of the fluid outlet row is varied at at least 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 such as hot rolling mills or heavy plate mills
- Such a rolling mill can also be, for example, a hot strip mill, a CSP (Compact Strip Production) plant or a strip processing line.
- a cooling beam has a fluid chamber which can be supplied with a cooling fluid and at least one fluid outlet row which runs along a longitudinal axis of the fluid chamber and which is formed from fluid outlets communicating with the fluid chamber.
- Gooseneck-like cooling fluid outlet tubes for applying the cooling fluid to the flat product to be cooled can be arranged at the fluid outlets.
- the device according to the invention has at least one control and / or regulating electronics 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 volume exiting from the fluid outlets of the reduced row of fluid outlets flow of the cooling fluid compared to a volume flow of the cooling fluid emerging from the respective fluid outlet of the maximum fluid outlet row when there is a maximum fluid outlet row is increased by a cooling fluid volume flow which corresponds to at least a 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 when the reduced fluid outlet row is present by means of the varying device.
- a volume flow of the cooling fluid emerging 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.
- the inventive use of the cooling fluid saved in one end area or in both end areas of the cooling bar increases the specific application of the cooling fluid to the flat product to be cooled, in particular in the case of flat products with smaller widths.
- higher cooling rates are achieved, which leads to better mechanical properties of the flat products manufactured accordingly.
- this is done in particular by the possibility of setting the application width by means of the variation device in combination with a cooling water quantity control by means of the supply device, which can for example have a flow regulator.
- the greater specific loading of a flat product to be cooled can give the cooling product a finer grain structure of the metal structure, which significantly improves its mechanical properties.
- the invention it is possible to increase the specific application of the cooling fluid to the flat product to be cooled by up to 100%, without a cooling fluid management system having to provide more cooling fluid and without more energy having to be consumed to feed the cooling fluid to pump and / or process a high tank.
- a cooling fluid management system having to provide more cooling fluid and without more energy having to be consumed to feed the cooling fluid to pump and / or process a high tank.
- the cooling bar can in particular be a laminar cooling bar from which laminar cooling fluid flows emerge.
- the cooling beam can have coolant outlet tubes which are connected to the fluid outlets and can each be designed, for example, in the shape of a gooseneck.
- the device according to the invention can also have a plurality of cooling bars according to the invention, which can be arranged above and / or below the flat product to be cooled.
- the cooling bars arranged above or below the flat product to be cooled can be arranged in any number of pivoting groups, as is known, for example, from DE 198 43 038 A1. When there is a reduced row of fluid outlets, the pressure in the cooling beam is higher than when there is a maximum row of fluid outlets.
- the fluid chamber of the at least one cooling bar can be designed as a hollow cylinder.
- the chilled beam can also be two or more
- Fluid outlet rows can be arranged equidistantly or with varying spacing. Orifices can also be installed inside the fluid chamber to ensure that an almost identical amount of cooling fluid is applied to a flat product to be cooled per fluid outlet, despite changing pressure distributions in the cooling 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 fluid outlet row at one end region or at both end regions of the fluid chamber.
- the varying device can have at least one shielding means, which is movably arranged within the fluid chamber, for closing or covering fluid outlets and at least one actuator, which is 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 regulating electronics.
- the control and / or regulating electronics can be a separate unit or can be implemented through software implementation in existing system electronics.
- the device according to the invention can be set up to apply a specific cooling fluid application between 30 m 3 / m 2 h and 100 m 3 / m 2 h to a top side of a metallic wide flat product, in particular over an entire roller table width, and / or a To act on the underside of the metallic 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 control 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 supplied to the cooling beam can be supplied to the cooling beam even with a reduced row of fluid outlets. is fed.
- the varying device is designed to reduce the length of the fluid outlet row at at least one end region of the fluid chamber by up to 40%.
- This reduction in the row of fluid outlets can take place on a drive side or an operating side of the device or of a rolling mill equipped with it.
- the row of fluid outlets can be reduced, for example, by up to 40% of a maximum roller table width. It can be provided that the varying device is set up to reduce the length of the fluid outlet row 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 from the fluid chamber along the longitudinal axis of the fluid chamber, with which fluid outlets can be sequentially released when the rod is extended and 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 introduced or introduced at least partially into the fluid chamber while leaving a slight play or in a form-fitting manner is.
- the rod can be made solid or as a hollow body, the latter being associated with a weight reduction.
- the varying device can also have two rods which can each be at least partially retracted into the fluid chamber and extended out of the fluid chamber in opposite directions and which can each be moved independently of one another or synchronously in opposite directions by means of an actuator.
- the varying device has at least one shielding plate rotatable about the longitudinal axis of the fluid chamber and at least partially arranged within the fluid chamber, with which fluid outlets can be sequentially released 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 given 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 in a spiral. When such a shielding plate is rotated, the fluid outlets are sequentially released or covered in a fluid-tight manner, depending on the direction of rotation.
- the shielding plate can be arranged in an end region of the fluid chamber.
- the shielding plate can be rotated by means of an actuator which is connected to the control and / or regulating 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 partition wall which is arranged displaceably within the fluid chamber 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 wall is oriented perpendicular to the longitudinal axis of the fluid chamber.
- the partition is preferably sealed circumferentially with respect to the wall of the fluid chamber.
- the partition can be moved 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 which can be displaced in opposite directions and which can each be moved independently of one another or synchronously in opposite directions 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 flat product to be cooled, the control and / or regulating electronics being set up, taking into account the supply device and the varying device to control of measuring signals of the measuring device.
- the device can be operated in an automated manner.
- the variation in the length of the at least one fluid outlet row and the associated control of the supply device can be performed, taking into account
- Measurement signals of the measuring device take place automatically.
- the device is able to adapt itself optimally to what is to be cooled
- the measuring device can in particular 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 measurement device and signals from material tracking.
- the measuring device is set up as parameters 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 recorded across the width of the wide flat product.
- control or regulate the width of the exposure of the flat product to be cooled with the cooling fluid with the help of a measurement of a temperature distribution over the width of the flat product, for example by means of a temperature scanner, by means of the control and / or regulating electronics the aim of producing as homogeneous a temperature distribution as possible.
- the specific loading of the flat product to be cooled in an active cooling area of the device using a measured value that is generated, for example, with a magneto-inductive measuring system, or a model value that is derived, for example, from a structural model of the mechanical properties to regulate the flat product by means of the control and / or regulating electronics, with the aim of adjusting the mechanical properties of the flat product over its length exactly to the target value.
- the measured values or model values are available as a function of the width, the width of the application of the cooling fluid to the flat product 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 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 cooling beam and at least one measuring device arranged behind the cooling beam.
- the control and / or regulating electronics can be used, for example, to pre-control the operating settings of the Device are made.
- the control and / or regulating electronics can be used, for example, to regulate the operating parameters of the device during operation of the device, that is, 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 processing line has at least one roll stand for rolling metallic wide flat products and at least one device for sequential cooling of metallic 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 is formed.
- a length of the fluid outlet row is at least one end region of the fluid chamber is varied by means of a varying device.
- a volume flow of the cooling fluid emerging from the fluid outlets of the reduced fluid outlet row is increased by a cooling fluid volume flow which is at least a part of a volume flow of the cooling fluid that exits from the respective fluid outlet of the maximum fluid outlet row when there is a maximum fluid outlet row Volume flow of the cooling fluid which, when the maximum fluid outlet row is present, emerges from those fluid outlets of the maximum fluid outlet row which at Presence of the reduced fluid outlet row 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 the cooling fluid that can or is supplied to the cooling beam when the maximum fluid outlet row is present is also supplied to the cooling beam when there is a reduced fluid outlet row.
- the length of the fluid outlet row is reduced by up to 40% at at least one end region of the fluid chamber.
- At least one measured value is recorded for at least one parameter of a flat product to be cooled, 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.
- material tracking can be carried out.
- the supply device and the varying device can be Taking into account the measured value for the parameter of the flat product to be cooled and controlled by signals from a material tracking.
- a width of the flat product, a local temperature of the flat product, a temperature distribution over a width of the flat product, a flatness of the flat product, a mechanical property of the flat product or a distribution of a mechanical property of the flat product over the width of the flat product are used as parameters detected.
- the measured value and / or a model value is used for precontrolling the cooling of a flat product or for controlling the cooling of the 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.
- FIG. 1 a schematic representation of an embodiment of a metallurgical plant according to the invention
- FIG. 2 a schematic representation of an exemplary embodiment for a device according to the invention
- FIG. 3 a schematic representation of a further exemplary embodiment for a device according to the invention.
- FIG. 1 shows a schematic representation of an exemplary embodiment for 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 installation 1 has a roll stand 2 for rolling metallic wide flat products 3, the shown wide flat product 3 being designed as a strip.
- the installation 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 several cooling bars 13 combined to form cooling segments 5 to 12, the cooling segments 5 to 8 being arranged above the flat product 3 and the cooling segments 9 to 12 being arranged below the flat product 3 in order to cool an upper side or an underside of the flat product 3 can.
- the device 4 has a supply device (not shown) for supplying the cooling beams 13 with a cooling fluid.
- Each of the cooling beams 13 has a fluid chamber (not shown) connected to the supply device and at least one fluid outlet row (not shown) that runs along a longitudinal axis of the fluid chamber that is transverse to the plane of the drawing in FIG. 1 and communicates with the Fluid chamber connected, not shown fluid outlets is formed. Furthermore, each of the cooling bars 13 has a varying device, not shown, which is arranged at least partially within the fluid chamber of the respective cooling bar 13, for varying a length of the fluid outlet row of the respective cooling bar 13 at at least one end region of the fluid chamber.
- the varying device of the respective cooling bar 13 can be set up to reduce the length of the fluid outlet row of the cooling bar 13 at at least one end region of the fluid chamber by up to 40%.
- the varying device of the respective cooling bar 13 can have at least one rod, not shown, which can at least partially be retracted into the fluid chamber and extended from the fluid chamber along the longitudinal axis of the fluid chamber of the cooling beam 13, with which fluid outlets can be sequentially released when the rod is extended and sequentially fluid-tight when the rod is retracted are concealable.
- the varying device of the respective cooling bar 13 can have at least one shielding plate, not shown, rotatable about the longitudinal axis of the fluid chamber of the cooling bar 13 and at least partially arranged within the fluid chamber, with which fluid outlets can be sequentially released or sequentially covered in a fluid-tight manner when the shielding plate is rotated, depending on the direction of rotation.
- the varying device of the respective cooling bar 13 can have at least one partition wall arranged displaceably within the fluid chamber along the longitudinal axis of the fluid chamber of the cooling bar 13, with which a volume available for the cooling fluid within 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 a reduced row of fluid outlets of the respective cooling bar 13 is present, a flow from the fluid outlets of the reduced Fluid outlet row exiting volume flow of the cooling fluid compared to a volume flow of the cooling fluid emerging from the respective fluid outlet of the maximum fluid outlet row when there is a maximum fluid outlet row of the cooling bar 13 is increased by a cooling fluid volume flow which corresponds to at least a part of a volume flow of the cooling fluid that corresponds to that in the presence of the maximum fluid outlet row from the Exits 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 control and / or regulating electronics 14 can in particular be set up to control the supply device and the varying device in such a way that a volume flow of the cooling fluid that can be or is supplied to the respective cooling beam 13 when the maximum fluid outlet row is present can be or is supplied to the cooling beam 13 even with a reduced fluid outlet row 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 bar 13 with respect to a transport direction of a flat product 3 through the device 4 for measuring at least one parameter of the flat product 13 to be cooled, the Control and / or regulating electronics 14 is set up, the supply device and the varying device under
- the measuring device 15 can be set up, as parameters, a width of the flat product 3, a local temperature of the flat product 3, a temperature distribution over a width of the flat product 3, a flatness of the flat product 3, a mechanical property of the flat product 3 or a distribution of a mechanical property of the To capture wide flat product 3 across the width of the wide flat product 3.
- the device 4 has a measuring device 16 connected to the control and / or regulating electronics 14 and 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 cooled flat product 13, the control and / or regulating electronics 14 being set up to control the supply device and the varying device taking into account measurement signals from the measuring device 16.
- the measuring device 16 can be set up, as parameters, a width of the flat product 3, a local temperature of the flat product 3, a temperature distribution over a width of the flat product 3, a flatness of the flat product 3, a mechanical property of the flat product 3 or a distribution of a mechanical property of the To capture wide flat product 3 across the width of the wide flat product 3.
- FIG. 2 shows a schematic representation of an exemplary embodiment for a device 17 according to the invention for the sequential cooling of metallic wide flat products 3.
- the device 17 has cooling beams 18 and a supply device 19 for supplying the cooling beam 18 with a cooling fluid, the cooling beam 18 having a fluid chamber 20 connected to the supply device 19, a fluid outlet row running along a longitudinal axis 21 of the fluid chamber 20, which communicates with the fluid chamber 20 connected fluid outlets 22 is formed, and has a varying device 23 arranged at least partially within the fluid chamber 20 for varying a length of the fluid outlet row at both end regions of the fluid chamber 20.
- the device 17 has control and / or regulating electronics 14 which are connected to the supply device 19 and the varying device 23 and which are set up to control the supply device 19 and the varying device 23 in such a way that, when a reduced row of fluid outlets is present, a fluid outlet 22 from the reduced fluid outlet row exiting volume flow of the cooling fluid compared to when there is a maximum fluid outlet row
- the volume flow of the cooling fluid emerging from the respective fluid outlet 22 of the maximum fluid outlet row is increased by a cooling fluid volume flow which corresponds to at least a part of a volume flow of the cooling fluid which, when the maximum fluid outlet row is present, exits from those fluid outlets 22 of the maximum fluid outlet row which by means of the reduced fluid outlet row the varying device 23 are closed.
- the control and / or regulating electronics 14 can be set up to control the supply device 19 and the varying device 23 in such a way that a volume flow of the cooling fluid that can be supplied or supplied to the cooling beam 18 when the maximum fluid outlet row is in front can be supplied to the cooling beam 18 even with a reduced fluid outlet row or is fed.
- the varying device 23 can be set up to reduce the length of the fluid outlet row at at least one end region of the fluid chamber 20 by up to 40%.
- the varying device 23 has two rods 25 and 26 which can be retracted into the fluid chamber 20 and extended from the fluid chamber 20 at least partially in opposite directions 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 Retraction of the respective rod 25 and 26 are sequentially concealable 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 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 flat product 3, a local temperature of the flat product 3, a temperature distribution over a width of the flat product 3, a flatness of the flat product 3, a mechanical property of the flat product 3 or a distribution of a mechanical property of the flat product 3 to be recorded over 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.
- FIG. 3 shows a schematic representation of a further exemplary embodiment for a device 28 according to the invention for the sequential cooling of metallic wide flat products 3.
- the device 28 differs from the exemplary embodiment shown in FIG. 2 only in that the varying device 29 has two partition walls 30 and 31 arranged along the longitudinal axis 21 of the fluid chamber 20 so as to be displaceable in opposite directions within the fluid chamber 20, each of which is used for the cooling fluid within the fluid chamber 20 available volume can be varied.
- the varying device 29 has two partition walls 30 and 31 arranged along the longitudinal axis 21 of the fluid chamber 20 so as to be displaceable in opposite directions within the fluid chamber 20, each of which is used for the cooling fluid within the fluid chamber 20 available volume can be varied.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019208462.1A DE102019208462A1 (de) | 2019-06-11 | 2019-06-11 | Sequenzielles Kühlen von metallischen Breitflachprodukten |
| PCT/EP2020/065994 WO2020249573A1 (de) | 2019-06-11 | 2020-06-09 | Sequenzielles kühlen von metallischen breitflachprodukten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3983145A1 true EP3983145A1 (de) | 2022-04-20 |
| EP3983145B1 EP3983145B1 (de) | 2022-11-30 |
Family
ID=71108561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20733703.1A Active EP3983145B1 (de) | 2019-06-11 | 2020-06-09 | Sequenzielles kühlen von metallischen breitflachprodukten |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3983145B1 (de) |
| DE (1) | DE102019208462A1 (de) |
| WO (1) | WO2020249573A1 (de) |
Family Cites Families (8)
| 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 |
-
2019
- 2019-06-11 DE DE102019208462.1A patent/DE102019208462A1/de not_active Withdrawn
-
2020
- 2020-06-09 WO PCT/EP2020/065994 patent/WO2020249573A1/de not_active Ceased
- 2020-06-09 EP EP20733703.1A patent/EP3983145B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3983145B1 (de) | 2022-11-30 |
| DE102019208462A1 (de) | 2020-12-17 |
| WO2020249573A1 (de) | 2020-12-17 |
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