EP2376662B1 - Procédé et section de refroidissement d'une bande métallique en défilement par projection d'un liquide - Google Patents

Procédé et section de refroidissement d'une bande métallique en défilement par projection d'un liquide Download PDF

Info

Publication number
EP2376662B1
EP2376662B1 EP10702917.5A EP10702917A EP2376662B1 EP 2376662 B1 EP2376662 B1 EP 2376662B1 EP 10702917 A EP10702917 A EP 10702917A EP 2376662 B1 EP2376662 B1 EP 2376662B1
Authority
EP
European Patent Office
Prior art keywords
cooling
strip
temperature
liquid
spray
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
EP10702917.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2376662A1 (fr
Inventor
Cyril Claveroulas
Frédéric MARMONIER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fives Stein SA
Original Assignee
Fives Stein SA
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
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41090379&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2376662(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fives Stein SA filed Critical Fives Stein SA
Priority to PL10702917T priority Critical patent/PL2376662T3/pl
Publication of EP2376662A1 publication Critical patent/EP2376662A1/fr
Application granted granted Critical
Publication of EP2376662B1 publication Critical patent/EP2376662B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • C21D11/005—Process control or regulation for heat treatments for cooling
    • 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

Definitions

  • the present invention relates to improvements made to the cooling sections of lines for the continuous treatment of metal strips, in particular for annealing, galvanizing or tinplate.
  • a continuous treatment line for metal strips is made up of a succession of heat treatment sections, in particular heating, temperature maintenance, cooling, aging, etc.
  • the present invention relates to the cooling sections of continuous treatment lines and more particularly to the rapid cooling sections with projection of a liquid onto the strip.
  • the cooling liquid is generally water, which can be treated beforehand, for example to extract dissolved oxygen or mineral salts therefrom, and which can contain additives to improve heat exchange or limit oxidation of the strip.
  • Water cooling makes it possible to obtain very steep cooling slopes, beyond those which can be obtained with gas cooling.
  • the cooling of the strip can also be obtained by spraying on the strip a mixture consisting of a gas and a liquid.
  • the gas is generally present as a carrier gas to carry out the atomization and the projection of the liquid on the strip.
  • the gas used is most often nitrogen but can also be composed of a mixture of nitrogen and hydrogen, or any other gas,
  • the liquid can be sprayed as a mist or sprayed with larger droplets or as a continuous liquid.
  • the cooling of the strip can begin while the latter is at a high temperature, for example 750 ° C.
  • a high temperature for example 750 ° C.
  • film boiling in English, or film of vapor. This is the phenomenon of calefaction.
  • the vapor layer acts as a barrier to heat transfer between the strip and the water, thus reducing the efficiency of the water cooling.
  • the boiling point is close to 100 ° C. It can vary by a few degrees depending on the composition of the water and its content of addition elements,
  • the problem can be reduced to cooling a fictitious wall to 100 ° C with water.
  • This critical temperature depends on many parameters, including the characteristics of the spraying, the temperature of the sprayed liquid or the nature and temperature of the cooled surface.
  • the object of the invention is above all to ensure uniform cooling of the metal strip, in particular to avoid the formation of folds or appreciable differences in mechanical characteristics depending on the width and / or the length.
  • the invention is thus firstly a method of controlling the cooling of a moving metal strip in a continuous treatment line by spraying onto the strip a liquid or a mixture consisting of a gas and a liquid so as to maintain a so-called “vapor film” cooling at the surface of the strip resulting from the phenomenon of heating of the cooling liquid in contact with a hot strip, consisting in increasing the temperature of the cooling liquid in the zone where rewetting could occur, or where it occurs, resulting from the local disappearance of the vapor film, so as to remain or return to cooling in vapor film on the surface of the strip.
  • another adjusted cooling parameter consists of a spraying parameter formed by the speed and / or the diameter of the drops of cooling liquid in the zone or zones concerned.
  • the temperature of the cooling liquid can be adjusted so that it is different between two successive cooling units of the strip. cooling section.
  • a combined adjustment of the temperature and the flow rate of the coolant can be carried out in order to allow modulating the heat flow extracted from the strip.
  • the temperature of the coolant is adjusted across the width of the belt.
  • Several coolant spray units can be distributed across the width of the strip, and the temperature and coolant flow rate for each spray unit are adjusted across the width of the strip.
  • the temperature of the liquid can be adjusted at the start of cooling so as to limit the variation in the temperature slope resulting from the cooling compared to the heating or compared to the previous temperature maintenance.
  • the temperature of the liquid can be adjusted according to the target cooling capacity so as to limit variations in the flow rate of the coolant.
  • the tests can be repeated in a subsequent zone in the direction of travel of the strip so as to remain in a film of vapor throughout the cooling section, or when this is not possible, to postpone the start of the process to a lower temperature. rewetting.
  • the appearance of a sharp increase in the transverse temperature gradient of the strip and of a clear break in the cooling slope is determined. resulting from more intense cooling in the absence of a vapor film, using devices for measuring the temperature of the strip in areas where rewetting is likely to occur.
  • the tests relate to an area located along the length of the strand of the metal strip where the temperature of the strip is between 450 ° C and 250 ° C, and at several points over the width of the strip so as to detect strong variations in temperature.
  • the invention according to claim 12 also relates to a cooling section of a continuous treatment line for implementing the method defined above, which section comprises units for spraying a liquid or dye onto a metal strip.
  • a cooling liquid supply assembly comprising two circuits distinct cold and hot water supply, each equipped with a control valve and connected to the same outlet pipe, a mixture flow controller being provided on the outlet pipe as well as a temperature controller of the mixed.
  • the supply assembly may include a regulator making it possible to adjust the proportion of the cold water and hot water flow rates so as to obtain the target overall flow rate of liquid at the desired temperature, for each spraying device. .
  • the temperature of the coolant can be adjusted as a function of the desired heat flow and as a function of the temperature of the strip.
  • the invention makes it possible to maintain control over cooling by remaining in a film of vapor for longer. .
  • This control of the water temperature possibly combined with an adjustment of the water flow rate over the bandwidth, makes it possible to obtain a uniform band temperature over its width.
  • the determination by calculation of the Lindenfrost temperature is very difficult because many parameters influence it. Spray parameters are very important. Thus, the size of the drops, the distance between the drops, the speed of the drops, the spray temperature of the liquid, the proportion and the temperature of the spray gas all influence the Lindenfrost temperature.
  • the strip also influences the latter, depending on its temperature, the roughness of its surface, its emissivity.
  • the heat flow exchanged by the belt is also decisive.
  • the Lindenfrost temperature will actually depend on the speed at which the drop of liquid will reach its vaporization temperature. The faster it is, the lower the Lindenfrost temperature will be.
  • rewetting occurs and the zone in which it occurs.
  • the appearance of rewetting leads to a sharp increase in the transverse temperature gradient of the strip and to a clear break in the cooling slope resulting from more intense cooling in the absence of a vapor film.
  • the simplest method is to place web temperature measuring devices in areas where rewetting is likely to occur, for example along the length of the strand where the web temperature is between 450 ° C and 250 ° C. ° C, and at several points across the width of the strip so as to detect these strong variations in temperature.
  • the temperature of the cooling liquid is increased by the operator in the zone concerned so as to push back rewetting in the following zone.
  • the operator can also increase the temperature of the cooling water in the following zone or zones in advance to delay the start of rewetting by the same amount.
  • the temperature rise to be applied will have been defined beforehand during the commissioning tests, for example 5 ° C. It can also be adjusted by the operator.
  • the increase in the temperature of the coolant in one zone may be accompanied by another adjustment of the spraying parameters so as to maintain the target temperature slope on the strip without reducing the speed of the line.
  • the cooling water flow can be increased in this area.
  • the increase in the water flow can be carried out automatically by the control and command system of the line so as to reach the belt temperature setpoint at the outlet of the cooling zone. Again, the optimum settings will have been defined when the line is commissioned or by self-learning during operation.
  • the adjustment of the speed and of the diameter of the drops can be carried out by a mechanical change of the nozzle at the level of the orifice for spraying the liquid.
  • the temperature of the coolant and the spraying parameters which are the speed and the diameter of the drops in the zone where rewetting could occur, or where it occurs, resulting in of the local disappearance of the vapor film so as to remain or to return to a vapor film cooling on the surface of the strip.
  • the main parameter for cooling control is the water flow density, expressed in kg / m 2 / s.
  • the gas flow naturally adapts to the water flow.
  • the gas flow rate remains constant.
  • Fig. 1 is a diagram of an exemplary embodiment of a coolant supply assembly A according to the invention for a DI ... DIII unit ( Fig. 2 ) spraying liquid onto a band B, scrolling vertically downwards, to be cooled.
  • a set A is associated with each DI ... DIII unit,
  • the set A provides flow and temperature control of the cooling water.
  • the configuration of A comprises two separate circuits for supplying cold water 1 and hot water 2, each equipped with a regulating valve CV1, CV2, respectively, and connected to the same outlet pipe 3.
  • a flow controller CD of the mixture is provided on line 3 as well as a temperature controller TE for the mixture.
  • a regulator R adjusts the proportion of cold water and hot water flow rates so as to obtain the target overall flow of liquid at the desired temperature, for each spray unit, also called the DI cooling unit. , DII, DIII ( Fig. 2 ).
  • the drops of liquid sprayed by each cooling unit are represented as a whole according to a prismatic sheet, the base of which is located on the strip B, while the opposite edge corresponds to the liquid outlet nozzles of the cooling unit.
  • Controlling the temperature of the sprayed water and / or controlling the spraying parameters according to the invention constitute additional means for controlling the flow of sprayed water. These means provide more flexibility and greater homogeneity of the cooling.
  • the temperature of the cooling liquid and / or the spraying parameters are adjusted so that they are different between two successive cooling units DI, DII, DIII (Fig) in the direction of travel of the strip,
  • the device according to the invention makes it possible to control the temperature of the sprayed water and / or the spray parameters over the length of the cooling section by fractionation along the length in zones I, II, III ( Fig. 2 ) cooling.
  • a cooling unit is provided on each side of the strip, respectively DI, D'I, .., DIII, D'III.
  • Each cooling unit has a device for adjusting the temperature of the liquid and / or the nozzle of the ejector which is separate from that of the other zones.
  • the device according to the invention also makes it possible to control the temperature of the water sprayed over the width of the cooling section by fractionation, illustrated in Fig. 3 , across the width in fractional cooling units DIa, DIb, ... DIe, each having a liquid temperature adjustment member distinct from that of the other zones.
  • the temperature adjustment member constituting the assembly A, is a hot water - cold water mixing valve supplied with a hot water network and a cold water network. According to the temperature setpoint, the mixing valve adjusts the proportion of cold water and hot water flow rates.
  • the temperature adjustment member is a heat exchanger between the cooling liquid and another fluid, for example air or water.
  • the temperature of the sprayed water and / or the spraying parameters in the transverse direction in order to act on the thermal homogeneity over the width of the strip.
  • the temperature of the coolant and / or the spraying parameters are adjusted over the width of the strip, for example for a constant flow of liquid, so as to maintain a film of vapor over the entire width of the strip and control the heat exchange level.
  • Fig. 3 is a diagram of an exemplary embodiment according to the invention of this transverse regulation of the temperature of the coolant, with 5 separate cooling units over the bandwidth,
  • the invention also relates to a method of cooling such that the cooling curve is that aimed at each point of the width of the strip along the cooling section.
  • Adjusting the water temperature also limits the risk of the formation of cool buckles at the start of cooling. This risk may result from a major break in the slope in the path. of the strip when passing from the heating section, or the temperature maintaining section, to the rapid cooling section.
  • the patent FR 2802552 (or the patent US 6464808 ) describes this problem in more detail.
  • the invention makes it possible to limit the initial cooling of the strip and therefore limits the risk of the formation of folds (cool buckle) due to less break in slope,
  • the invention thus also relates to a method for controlling the cooling of a moving metal strip in a continuous treatment line by spraying onto the strip a liquid or a mixture consisting of a gas and a liquid with a liquid temperature adjusted at the start of cooling so as to limit the variation in the temperature slope resulting from the cooling with respect to the heating or to the previous maintenance.
  • the combined adjustment of the temperature and the flow rate of the coolant makes it possible to modulate the heat flow extracted from the belt.
  • the temperature and the flow rate of the coolant are adjusted over the width and length of the belt, so as to increase the flexibility of the installation by benefiting from a greater range of adjustment of the cooling speed of the belt. bandaged.
  • the cooling units are divided according to the width (indices in letters a, ... e) and according to the length (indices in Roman numerals I, II, III) in elementary units DIa, ... DIIIe.
  • control of the temperature profile over the width of the strip resulting from the adjustment of the cooling capacity over the width of the strip makes it possible to improve the guiding of the strip on the transport rollers by the obtaining long or short edges in relation to the center of the strip.
  • control of the temperature profile over the width of the strip resulting from the adjustment of the cooling capacity over the strip width makes it possible to improve the flatness of the strip by controlling the length of the edges relative to the center of the strip. bandaged.
  • control of the temperature profile over the width of the strip resulting from the adjustment of the cooling capacity over the strip width improves the stability of the strip by controlling the length of the edges relative to the center of the strip. bandaged.
  • the adjustment of the cooling capacity over the length of the cooling section and over the width of the strip is carried out in real time by a monitoring and control system (not shown) of the line by means of a computer based on mathematical models taking into account the evolution of heat exchanges between the strip and its environment in the cooling section and in the section located downstream thereof,
  • the computer controls the control valves CV1, CV2 of the various sets A.
  • the invention also consists in splitting into a plurality of units of the cooling device in the width direction and in the length direction of the strip, illustrated in Fig. 4 .
  • Each unit is equipped with the necessary equipment to vary the temperature and flow rate of the coolant, and / or the spray parameters, independently of the other units.
  • the size of the DI ... DIII cooling units may be different along the cooling section with a smaller size in the portion of the cooling section where the heating phenomenon can become unstable so as to better control the phenomenon.
  • the length of the cooling units may be shorter in the direction of travel of the strip.
  • the width of the cooling units can also be reduced in the direction of the bandwidth.
  • each unit may be equipped with two control members making it possible to vary the gas flow rate and the liquid flow rate.
  • Each unit can also be equipped with a device making it possible to vary the temperature of the gas, the liquid or the mixture made up of the gas and the liquid so as to influence the heating phenomenon and to vary the cooling capacity.
  • This variation in the temperature of the cooling means may be carried out for a constant flow rate of the cooling means or combined with a variation in the flow rate of the cooling means so as to increase the flexibility of regulation of the installation.
  • the production capacity of a continuous line varies greatly according to the format of the strip, in particular its thickness, and according to the thermal cycle.
  • the invention also consists in varying the temperature of the cooling liquid so as to limit the amplitude of variation of the water flow.
  • cold water will be sprayed so as to limit the water flow but for low productions, small thicknesses for example, we will spray the water a little warmer to raise the necessary water flow a little.
  • the invention thus also relates to a method for controlling the cooling of a moving metal strip in a continuous treatment line by spraying onto the strip a liquid or a mixture consisting of a gas and a liquid. with a liquid temperature adjusted according to the targeted cooling capacity so as to limit variations in the flow rate of the cooling liquid.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
EP10702917.5A 2009-01-09 2010-01-07 Procédé et section de refroidissement d'une bande métallique en défilement par projection d'un liquide Active EP2376662B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10702917T PL2376662T3 (pl) 2009-01-09 2010-01-07 Sposób i sekcja schładzania poruszającej się taśmy metalowej poprzez natryskiwanie cieczy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0900077A FR2940978B1 (fr) 2009-01-09 2009-01-09 Procede et section de refroidissement d'une bande metallique en defilement par projection d'un liquide
PCT/IB2010/050049 WO2010079452A1 (fr) 2009-01-09 2010-01-07 Procede et section de refroidissement d'une bande metallique en defilement par projection d'un liquide

Publications (2)

Publication Number Publication Date
EP2376662A1 EP2376662A1 (fr) 2011-10-19
EP2376662B1 true EP2376662B1 (fr) 2021-04-28

Family

ID=41090379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10702917.5A Active EP2376662B1 (fr) 2009-01-09 2010-01-07 Procédé et section de refroidissement d'une bande métallique en défilement par projection d'un liquide

Country Status (12)

Country Link
US (1) US8918199B2 (enExample)
EP (1) EP2376662B1 (enExample)
JP (2) JP2012514694A (enExample)
KR (1) KR20110114624A (enExample)
CN (1) CN102272338B (enExample)
BR (1) BRPI1006107B1 (enExample)
ES (1) ES2881292T3 (enExample)
FR (1) FR2940978B1 (enExample)
PL (1) PL2376662T3 (enExample)
PT (1) PT2376662T (enExample)
RU (1) RU2541233C2 (enExample)
WO (1) WO2010079452A1 (enExample)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5588661B2 (ja) 2009-12-11 2014-09-10 株式会社Ｉｈｉ ミスト冷却装置及び熱処理装置
AT511034B1 (de) * 2011-02-04 2013-01-15 Andritz Tech & Asset Man Gmbh Verfahren zum kontrollieren einer schutzgasatmosphäre in einer schutzgaskammer zur behandlung eines metallbandes
KR101376565B1 (ko) * 2011-12-15 2014-04-02 (주)포스코 연속 소둔라인 급냉대의 스트립 온도제어 방법 및 장치
CN104169445B (zh) 2012-03-19 2016-08-24 杰富意钢铁株式会社 高强度冷轧钢板的制造方法及制造装置
EP2951327B1 (en) * 2013-02-01 2020-03-04 NV Bekaert SA Forced water cooling of thick steel wires
JP6079522B2 (ja) * 2013-09-13 2017-02-15 Ｊｆｅスチール株式会社 鋼板冷却装置及び鋼板冷却方法
JP6079523B2 (ja) * 2013-09-13 2017-02-15 Ｊｆｅスチール株式会社 鋼板冷却装置及び鋼板冷却方法
FR3014447B1 (fr) 2013-12-05 2016-02-05 Fives Stein Procede et installation de traitement thermique en continu d'une bande d'acier
CN106661710B (zh) * 2014-07-24 2019-04-09 新日铁住金株式会社 钢带的冷却方法和冷却设备
CA2979814C (en) * 2015-04-02 2021-12-28 Cockerill Maintenance & Ingenierie S.A. Method and device for reaction control
EP3409797B1 (en) * 2016-01-28 2019-09-04 JFE Steel Corporation Steel sheet temperature control device and temperature control method
JP6742399B2 (ja) * 2016-03-23 2020-08-19 株式会社Ihi 冷却装置及び熱処理装置
US11560606B2 (en) 2016-05-10 2023-01-24 United States Steel Corporation Methods of producing continuously cast hot rolled high strength steel sheet products
US11993823B2 (en) 2016-05-10 2024-05-28 United States Steel Corporation High strength annealed steel products and annealing processes for making the same
EP3455068A1 (en) 2016-05-10 2019-03-20 United States Steel Corporation High strength steel products and annealing processes for making the same
US10555748B2 (en) 2016-05-25 2020-02-11 Ethicon Llc Features and methods to control delivery of cooling fluid to end effector of ultrasonic surgical instrument
NL1042205B1 (en) * 2016-12-30 2018-07-23 Bosch Gmbh Robert Method for operating a continuously variable transmission incorporating a drive belt in a motor vehicle
DE102017206540A1 (de) * 2017-04-18 2018-10-18 Sms Group Gmbh Vorrichtung und Verfahren zum Kühlen von Metallbändern oder -blechen
DE102017210230A1 (de) * 2017-06-20 2018-12-20 Sms Group Gmbh Verfahren zum Betreiben eines Glühofens
LU100329B1 (fr) * 2017-06-28 2019-01-08 Arcelormittal Bissen & Bettembourg Dispositif de refroidissement de fils galvanisés
JP6813036B2 (ja) * 2017-10-31 2021-01-13 Ｊｆｅスチール株式会社 厚鋼板の製造設備及び製造方法
EP3966355A1 (en) 2019-05-07 2022-03-16 United States Steel Corporation Methods of producing continuously cast hot rolled high strength steel sheet products
BR112022001335A2 (pt) 2019-08-07 2022-03-22 United States Steel Corp Produto de chapa de aço de têmpera e separação, e, método para produzir produto de chapa de aço de têmpera e separação
BR112022003136A2 (pt) 2019-08-19 2022-05-17 United States Steel Corp Produto de chapa de aço laminado de alta resistência, e, método para produzir um produto de chapa de aço laminado de alta resistência
FR3101888B1 (fr) 2019-10-14 2024-02-09 Fives Stein Refroidissement rapide des tôles d’acier à haute limite élastique
CN115743552B (zh) * 2022-12-12 2025-05-02 中国民用航空总局第二研究所 用于飞机热表面的冷却方法及其装置
WO2024133293A1 (fr) 2022-12-22 2024-06-27 Fives Stein Methode et dispositif de refroidissement rapide d'une bande metallique, ligne continue de production de bandes métalliques
FR3156805B1 (fr) * 2023-12-13 2025-11-07 Fives Stein Ligne de galvanisation a refroidissement humide
WO2025132514A1 (fr) 2023-12-22 2025-06-26 Fives Stein Procede de controle d'un refroidissement rapide par contact avec un liquide d'une bande metallique en defilement dans une ligne continue
CN118404385A (zh) * 2024-05-28 2024-07-30 广东泰都钢铁有限责任公司 用于循环炼钢的冷剪机输出辊道喷雾冷却系统及控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741317A (en) * 1980-08-27 1982-03-08 Kawasaki Steel Corp Cooling method for metallic plate material
JP2000317513A (ja) * 1999-05-07 2000-11-21 Sumitomo Metal Ind Ltd 熱延鋼板の巻取温度制御方法
JP2004130353A (ja) * 2002-10-10 2004-04-30 Sumitomo Metal Ind Ltd 金属板の製造方法及び温度制御装置
JP2004331992A (ja) * 2003-04-30 2004-11-25 Jfe Steel Kk 熱間圧延における金属板の温度予測方法および冷却方法
WO2008053947A1 (fr) * 2006-10-30 2008-05-08 Jfe Steel Corporation Procédé de refroidissement de bande d'acier laminée à chaud

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU531579A1 (ru) 1975-04-15 1976-10-15 Донецкий научно-исследовательский институт черной металлургии Способ охлаждени гор чекатоного металла
JPS57120623A (en) * 1981-01-17 1982-07-27 Daido Steel Co Ltd Cooling method
JPS5871339A (ja) * 1981-10-23 1983-04-28 Mitsubishi Heavy Ind Ltd 帯状鋼板の冷却方法および装置
JPS5959835A (ja) 1982-09-28 1984-04-05 Kawasaki Steel Corp 金属帯のフオグ冷却制御方法
EP0111985B1 (fr) * 1982-12-21 1989-03-29 CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE Association sans but lucratif Procédé de refroidissement de bandes métalliques minces
JPS59157228A (ja) * 1983-02-24 1984-09-06 Kawasaki Steel Corp 厚鋼板の加速冷却方法
JPS61136633A (ja) * 1984-12-06 1986-06-24 Kawasaki Steel Corp 非調質高張力鋼の製造法
JPS63125622A (ja) * 1986-11-15 1988-05-28 Kawasaki Steel Corp 鋼帯熱処理時の連続冷却方法
SU1765197A1 (ru) 1991-01-21 1992-09-30 Научно-Производственное Объединение По Защите Атмосферы, Водоемов, Использованию Вторичных Энергоресурсов И Охлаждению Металлургических Агрегатов На Предприятиях Черной Металлургии "Энергосталь" Устройство дл охлаждени гор чекатаных полос
JPH06256858A (ja) 1993-03-02 1994-09-13 Nippon Steel Corp 熱延鋼板の冷却方法
IT1276442B1 (it) 1995-06-27 1997-10-31 Gevipi Ag Dispositivo di controllo della portata per un rubinetto miscelatore termostatico.
JP3282714B2 (ja) * 1997-09-22 2002-05-20 日本鋼管株式会社 高温鋼板の冷却方法
JPH11172401A (ja) * 1997-12-05 1999-06-29 Mitsubishi Heavy Ind Ltd 帯材の冷却方法及び装置
JPH11309507A (ja) * 1998-04-28 1999-11-09 Sumitomo Metal Ind Ltd 鋼材冷却における熱流束予測方法およびそれを用いた冷却制御方法
JP4109365B2 (ja) * 1998-12-08 2008-07-02 新日本製鐵株式会社 金属ストリップの冷却方法
GC0000091A (en) 1998-12-31 2004-06-30 Shell Int Research Method for removing condensables from a natural gas stream.
FR2802552B1 (fr) 1999-12-17 2002-03-29 Stein Heurtey Procede et dispositif de reduction des plis de bande dans une zone de refroidissement rapide de ligne de traitement thermique
ATE299766T1 (de) * 2000-04-25 2005-08-15 Sms Demag Ag Verfahren und vorrichtung zur thermischen kontrolle einer stranggiesskokille
EP1215291B1 (de) 2000-12-15 2005-05-25 AFT Advanced Forging Technologies GmbH Vorrichtung zum Abkühlen und Behandeln erhitzter rotationssymmetrischer Körper aus Metall
JP3818501B2 (ja) * 2001-12-13 2006-09-06 住友金属工業株式会社 鋼板の表面温度測定方法およびその装置
RU2003121296A (ru) 2003-07-15 2005-01-20 Сергей Павлович Соловьев (RU) Биологически активная добавка к пище с пониженным содержанием тяжелых изотопов водорода и кислорода и продукты, ее содержащие
EP1538228A1 (fr) * 2003-12-01 2005-06-08 R & D du groupe Cockerill-Sambre Procédé et Dispositif de refroidissement d'une bande d'acier
DE102007053523A1 (de) * 2007-05-30 2008-12-04 Sms Demag Ag Vorrichtung zur Beeinflussung der Temperaturverteilung über der Breite
FI20070622A7 (fi) * 2007-08-17 2009-04-15 Outokumpu Oy Menetelmä ja laitteisto tasaisuuden kontrolloimiseksi ruostumatonta terästä olevan nauhan jäähdytyksessä
JP5100327B2 (ja) 2007-11-20 2012-12-19 住友金属工業株式会社 冷延鋼板の製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741317A (en) * 1980-08-27 1982-03-08 Kawasaki Steel Corp Cooling method for metallic plate material
JP2000317513A (ja) * 1999-05-07 2000-11-21 Sumitomo Metal Ind Ltd 熱延鋼板の巻取温度制御方法
JP2004130353A (ja) * 2002-10-10 2004-04-30 Sumitomo Metal Ind Ltd 金属板の製造方法及び温度制御装置
JP2004331992A (ja) * 2003-04-30 2004-11-25 Jfe Steel Kk 熱間圧延における金属板の温度予測方法および冷却方法
WO2008053947A1 (fr) * 2006-10-30 2008-05-08 Jfe Steel Corporation Procédé de refroidissement de bande d'acier laminée à chaud
EP2072157A1 (en) * 2006-10-30 2009-06-24 JFE Steel Corporation Method of cooling hot-rolled steel strip

Also Published As

Publication number Publication date
ES2881292T3 (es) 2021-11-29
EP2376662A1 (fr) 2011-10-19
BRPI1006107B1 (pt) 2021-02-23
FR2940978A1 (fr) 2010-07-16
RU2541233C2 (ru) 2015-02-10
US20110270433A1 (en) 2011-11-03
PT2376662T (pt) 2021-07-26
BRPI1006107A2 (pt) 2020-08-18
US8918199B2 (en) 2014-12-23
JP2012514694A (ja) 2012-06-28
FR2940978B1 (fr) 2011-11-11
WO2010079452A1 (fr) 2010-07-15
KR20110114624A (ko) 2011-10-19
RU2011133250A (ru) 2013-02-20
CN102272338B (zh) 2014-09-03
JP2015083719A (ja) 2015-04-30
CN102272338A (zh) 2011-12-07
PL2376662T3 (pl) 2021-11-08

Similar Documents

Publication Publication Date Title
EP2376662B1 (fr) Procédé et section de refroidissement d'une bande métallique en défilement par projection d'un liquide
FR2940979A1 (fr) Procede de refroidissement d'une bande metallique en defilement
EP2875304B1 (fr) Absorbeur a echangeur a plaques avec element de repartition poreux
FR2952633A3 (fr) Formage en continu de structures de precision sur un ruban de verre
EP1529122B1 (fr) Procede et dispositif de patentage de fils en acier
EP3631089A1 (fr) Procédé de pose d'un rail de voie ferree
FR3101268A1 (fr) Trajectoire adaptative pour fabrication additive utilisant une source laser
EP3555324A1 (fr) Procede et section de refroidissement rapide d'une ligne continue de traitement de bandes metalliques
EP1655383B1 (fr) Procédé et dispositif de limitation de la vibration de bandes d'acier ou d'aluminium dans des zones de refroidissement par soufflage de gaz ou d'air
FR2738577A1 (fr) Dispositif de refroidissement d'un produit lamine
CA2907632C (fr) Systeme de pre-refroidissement avec reglage interne pilote
WO2013030470A1 (fr) Système de fabrication d'un matériau cristallin par cristallisation dirigée muni d'une source de chaleur additionnelle latérale
EP1969163B1 (fr) Dispositif et procede de fabrication d'un bloc de materiau cristallin
RU2583005C2 (ru) Блок охлаждения для проведения микрорепликации
WO1992019395A1 (fr) Procede et dispositif de refroidissement d'un profile en cours de laminage
EP1062065B1 (fr) Procede et dispositif de controle du profil d'epaisseur d'une bande metallique mince obtenue par coulee continue entre moules mobiles
EP0031772A1 (fr) Procédé et dispositif pour la fabrication de verre par flottage
BE699499A (enExample)
EP0078199B1 (fr) Appareil de distribution de liquide
FR2789757A1 (fr) Dispositif d'echange de chaleur avec un produit plat
Chen et al. Condensate Drop Movement on Heat Transfer Surface With Bulk Temperature Gradient in Marangoni Dropwise Condensation
BE419364A (enExample)
BE435389A (enExample)

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20110706

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20160310

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20210121

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: FIVES STEIN

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1387109

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210515

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602010066876

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Ref document number: 2376662

Country of ref document: PT

Date of ref document: 20210726

Kind code of ref document: T

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 20210721

REG Reference to a national code

Ref country code: FI

Ref legal event code: FGE

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: SK

Ref legal event code: T3

Ref document number: E 37789

Country of ref document: SK

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210728

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2881292

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20211129

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210728

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210729

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210828

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602010066876

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20220131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210828

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220131

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20220107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20100107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210428

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: LU

Payment date: 20241218

Year of fee payment: 16

Ref country code: NL

Payment date: 20241219

Year of fee payment: 16

Ref country code: FI

Payment date: 20241218

Year of fee payment: 16

Ref country code: BE

Payment date: 20241218

Year of fee payment: 16

Ref country code: PT

Payment date: 20241218

Year of fee payment: 16

Ref country code: PL

Payment date: 20241223

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20241219

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20241220

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CZ

Payment date: 20241219

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SK

Payment date: 20241223

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20241219

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20241218

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20250203

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20241220

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20250107

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20250102

Year of fee payment: 16

REG Reference to a national code

Ref country code: AT

Ref legal event code: UEP

Ref document number: 1387109

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210428