WO2012152508A1 - Vorrichtung und verfahren zum im durchlauf erfolgenden behandeln eines stahlflachprodukts - Google Patents
Vorrichtung und verfahren zum im durchlauf erfolgenden behandeln eines stahlflachprodukts Download PDFInfo
- Publication number
- WO2012152508A1 WO2012152508A1 PCT/EP2012/055854 EP2012055854W WO2012152508A1 WO 2012152508 A1 WO2012152508 A1 WO 2012152508A1 EP 2012055854 W EP2012055854 W EP 2012055854W WO 2012152508 A1 WO2012152508 A1 WO 2012152508A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- annealing furnace
- furnace chamber
- nozzle
- gas
- product
- Prior art date
Links
Classifications
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- 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
- C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
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- 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
-
- 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
- C21D1/26—Methods of annealing
-
- 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
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/02—Supplying steam, vapour, gases, or liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
- F27D99/0075—Gas curtain seals
Definitions
- the invention relates to a device for the continuous treatment of a flat steel product, with an indirectly heated annealing furnace chamber, with a
- the invention relates to a method for treating a flat steel product, in which the flat steel product in continuous passage through an indirectly heated annealing furnace chamber from the inlet to the outlet
- flat steel products steel rolling products that are present, for example, as a steel strip, sheet steel or blanks obtained therefrom.
- steel rolling products that are present, for example, as a steel strip, sheet steel or blanks obtained therefrom.
- DE 25 22 485 AI it is known from DE 25 22 485 AI that by oxidation the surface reactivity of
- Accuracy can be coated after a targeted surface oxidation by
- Products that can be coated in this way with such a layer that protects against corrosion include, for example, strips or sheets made of high-strength steels, known as “advanced high-strength steels” (AHSS).
- AHSS advanced high-strength steels
- Such steels typically contain (in wt%), in addition to iron and unavoidable impurities, C: 0.01-0.22%, Mn: 0.5-3.0%, Si: 0.2-3.0%,
- AI 0.005 - 2.0%
- Cr up to 1.0%
- Mo up to 1.0%
- Ti up to 0.2%
- V up to 0.4%
- Nb up to 0
- 2% Ni: up to 1.0%.
- the first annealing step is carried out so that a diffusion of essential alloying constituents to the surface of the strip is largely prevented.
- an effective iron oxide layer is then selectively formed, which prevents the final increase in the
- Oxidizing agent is fed.
- the problem is that the annealing furnace chamber in which the oxidation is to take place is in the range of its
- the challenge here is to separate the adjacent chambers of the annealing furnace from each other so that the prevailing in the chambers
- Oxidation is performed, followed by a
- Reduction treatment must be carried out so must both the escape of the oxidant fed into the oxidation chamber into the reduction chamber and the penetration of the reductive atmosphere of the
- Reduction chamber can be prevented in the oxidation chamber. Otherwise, the treatment result and, associated with this, the undesirable side reactions
- Oxidation is recovered. As a result, water forms in the oxidation zone. This reaction binds off oxygen present in the oxidation zone, which consequently is no longer available for the actual desired oxidation of the steel flat product surface. Targeted control of the oxidation of the
- the object of the invention was to provide a device and a method of the type specified at the outset, with which it was based on economical, safe way is possible, a targeted, in the
- the invention is based on the recognition that by a suitable flow guidance and adjustment of the
- Oxidation atmosphere inside the annealing furnace a seal of the chamber can be achieved.
- a mechanical seal by means of rollers or similar measures such as an extraction at the inlet or outlet of the furnace chamber, can be dispensed with.
- a device according to the invention for the continuous treatment of a flat steel product for this purpose comprises an indirectly heated annealing furnace chamber through which a conveyor for continuously conveying the flat steel product via a leading from an input of the annealing furnace chamber to an exit of the annealing furnace conveying path.
- the device according to the invention comprises a nozzle arrangement for feeding in relation to the
- a first nozzle arrangement from which a gas jet emerges during the treatment, which faces a surface of the flat steel product to be treated, directed towards the entrance of the annealing furnace chamber
- Nozzle arrangement is provided from which emerges during the treatment of a gas jet, which directed towards the output of the annealing furnace, sweeping over the surface of the treated steel flat product
- Nozzle assemblies are thus adapted to produce, within the annealing furnace chamber on the one hand, a gas flow directed against the entrance of the annealing furnace chamber and, on the other hand, a gas flow directed against the exit of the annealing furnace chamber. It is crucial that the gas flows at the same time
- a method of treating a flat steel product wherein the flat steel product is continuously passed through an indirectly heated annealing chamber from its entrance whose output is conveyed, wherein in the annealing furnace a reactive with respect to the flat steel product
- Nozzle arrangements is introduced into the annealing furnace chamber, according to the invention completed at least the following steps:
- the gas flows provide for intensive contact between the flat steel product to be treated and the furnace atmosphere causing the desired reaction on the flat steel product.
- the feed of the gas forming the atmosphere in the annealing furnace chamber is made so that in the treatment operation in the annealing furnace chamber, an overpressure of at least 0.001 bar relative to the ambient pressure
- Atmosphere gas to the annealing furnace chamber suitably regulated to maintain the desired overpressure.
- the overpressure in the annealing furnace to the environment should not exceed 100 mbar, otherwise there is a risk that too large amounts of
- Nozzle bar with one or more outlet openings for example in combination with
- emerging gas flow is passed in a suitable manner over the treated steel flat product in the direction of the respectively associated input or output of the annealing furnace chamber.
- individual nozzles can be inside the annealing furnace chamber easily generated highly turbulent gas flows are generated, which come into intensive contact with the treated steel flat product and thus effect the desired reaction at the surfaces of the flat steel product with high intensity.
- the nozzles of the nozzle arrangements can be adjusted individually with respect to the conveying path of the flat steel product in such a way that any flow losses or a decreasing concentration in the
- Annealing furnace forming gas flows in the direction of the input or output of the annealing furnace chamber by a
- a particularly intensive exchange between the respective gas flow and the flat steel product to be treated occurs when the gas flows in a spiral around the band to be treated.
- one is on the one longitudinal side of the conveying path to the underside of the treated
- the starting point can be determined, from which the respective gas flow flows in the direction of the inlet or outlet of the annealing furnace chamber.
- the origin of the atmosphere which is present at the input or output respectively, it may be expedient to determine the origin of the
- Annealing furnace chamber have their origin.
- Embodiment of a device for all in-progress treatments of flat steel products in which funded by the intensive contact of each funded by the indirectly heated annealing furnace chamber
- Furnace atmosphere a special state of the surface of the flat steel product is to be produced.
- the use of a device according to the invention proves to be particularly effective when several
- furnace chambers which are consecutively traversed by the treated steel flat product, wherein at least one of the furnace chambers in the illustrated here
- the device according to the invention can be integrated into a line for preparing a flat steel product for hot dip coating.
- the inventive device according to the invention can be integrated into a line for preparing a flat steel product for hot dip coating.
- the inventive device according to the invention can be integrated into a line for preparing a flat steel product for hot dip coating.
- nozzle furnace chamber be combined with at least one further furnace chamber in which the treated steel flat product undergoes further treatment under an atmosphere that differs from the atmosphere of the invention
- the inventively designed furnace chamber is arranged between two annealing furnace chambers.
- Inventively designed annealing furnace chamber is passed and then passes into the inventively designed annealing furnace downstream further annealing furnace chamber, where it undergoes a final treatment.
- the device can be a treatment line in which the steel strip to be coated first in the first equipped with nozzles according to the invention
- the furnace chamber designed according to the invention may be preceded by a further chamber in which the flat steel product is first heat-treated under a reducing atmosphere and then subjected to a reducing heat treatment in the inventive chamber of oxidation and in a subsequent furnace chamber.
- Oxidation in the inventively constructed oxidation chamber of the reduction atmosphere in the upstream or downstream reduction chamber takes place in each case by the invention in the oxidation annealing furnace produced, against the output of the oxidation annealing furnace gas flow, supported by the in the
- Oxidation annealing chamber also maintained according to the invention overpressure.
- the nozzles of the invention provided Nozzle assemblies connected to an N 2 and a 0 2 supply.
- the flowing into the respective nozzle N 2 - or 0 2 gas stream is advantageously adjustable in order to adjust the composition of the atmosphere generated in the annealing furnace chamber targeted.
- Annealing furnace introduced gas jet from a
- Oxygen-content of the N 2/0 2 mixture 0.01 to 5 vol .-%.
- the reaction of the steel flat product to be treated with the atmosphere present in the inventive annealing furnace chamber can be assisted by maintaining the temperature of the flat steel product to be treated in the range of 450-950 ° C. as it passes through the annealing furnace chamber. Temperature losses of the
- Outgoing gas jets can thereby be prevented by the fact that the temperature of the gas jets introduced into the annealing chamber is from 100 to 1050 ° C.
- the invention thus provides a device for the continuous treatment of a flat steel product which is particularly useful in practice
- the invention is based on
- Fig. 1 shows a device for taking place in the course
- Fig. 2 shows the device of FIG. 1 in a section
- the apparatus V for continuously treating the flat steel product S present as cold- or hot-rolled steel strip comprises a first annealing furnace chamber 1 in which the flat steel product S is subjected to an oxidation treatment, one immediately before the first
- Annealing furnace chamber 1 arranged second annealing chamber 2a and connected to the annealing furnace chamber 1 second
- Annealing furnace chamber 2b In the annealing furnace chambers 2a, 2b, the flat steel product S is subjected to a reduction treatment.
- the annealing furnace chambers 1, 2 a, 2 b are part of an indirectly heated annealing furnace 3 of the RTF type, in the middle of which the annealing furnace chamber 1 is seated.
- the flat steel product S to be treated in each case is conveyed through the annealing furnace 3 in a conventional manner by means not shown here for the sake of clarity
- Front side of the annealing furnace chamber 1 formed input 5 in the annealing furnace chamber 1 a.
- Annealing furnace chamber 1 are vaulted concave from its interior with a uniform curvature.
- nozzle arrangements D1, D2 are distributed in the conveying direction F along the conveying path 4
- the first nozzle arrangement Dl comprises six individual nozzles 11-16, while the second
- Nozzle assembly D2 includes five individual nozzles 17-21.
- the nozzles 11 - 16 of the nozzle assembly Dl are positioned along the conveying path 4 so that the first nozzle 11 in the immediate vicinity of the input 5, the sixth nozzle 16 in the immediate vicinity of the output 6 of Annealing furnace chamber 1 and the remaining four nozzles 12 - 15 are evenly spaced between the nozzles 11 and 16 are positioned.
- nozzles 17-21 are the same
- Nozzle assembly D2 is positioned on the opposite side of the conveying path 4 so that the first nozzle 17 adjacent to the inlet 5, the fifth nozzle 21 adjacent to the exit 6 of the annealing furnace chamber 1 and the remaining three nozzles 18-20 are evenly spaced between the nozzles 17 and 21 are positioned. Viewed in the conveying direction F, the nozzles 17-21 thus each sit in the section of the conveying path in which a free space is present between two nozzles 11-16 of the nozzle arrangement D1.
- Shown nozzle arrangement D2 formed for example as jet pipes known type nozzles 11 - 21 each to an N 2 supply 22, and an O 2 - genaration connected 23rd The inflow of N 2 and 0 2 to the nozzles
- oriented plane-related angle of attack ⁇ of the nozzles 11-16 is varied in terms of magnitude in the angular range of 30 ° to 85 °, wherein the input 5 associated nozzle 11 at an angle of attack ⁇ of about 30 ° in the direction of the input 5 and 6 associated with the output Nozzle 16 in the opposite direction also under one
- Angle of incidence ⁇ of the nozzle 11 and the angle of attack ⁇ of the nozzle 13 with approximately 85 °, in turn, are greater than the angle of incidence ⁇ of the nozzle 12.
- the nozzles 14, 15 which follow the nozzle 13 in the conveying direction F are, like the nozzle 16, directed in the direction of the outlet 6 of the annealing furnace chamber 1.
- the flow angle ⁇ of the nozzle 14 corresponds in each case again to the flow angle ⁇ of the nozzle 13 and the flow angle ⁇ of the nozzle 15 to the flow angle ⁇ of the nozzle 12.
- the angle of attack of the nozzles 17-21 which is likewise oriented in each case to a plane oriented transversely to the conveying direction F, is varied in the angular range from 0 ° to 30 °, the nozzle 17 assigned to the inlet 5 being directed at an angle of incidence ⁇ of approximately 30 ° in the direction of the nozzle Input 5 and the output 6 associated nozzle 21 in opposite direction also under one
- Angle of attack ⁇ of about 30 ° in the direction of the output 6 is aligned.
- the conveying direction F on the nozzle 17 following nozzle 18 is directed at an angle of attack ⁇ in the direction of the input 5, wherein the
- Angle of incidence ⁇ of the nozzle 18 is greater than the angle of attack ⁇ of the nozzle 17.
- the arranged in the conveying direction F in front of the nozzle 21 nozzle 20 is under the same amount
- the nozzle 19 arranged in the middle of the nozzle arrangement D2 is oriented at an angle of attack ⁇ of 0 ° to the conveying path 4, so that the gas jet G exiting from this nozzle 19 strikes the flat steel product S to be treated at a right angle.
- the nozzles 11-16 of the nozzle assembly Dl are directed towards the underside US of the flat steel product S and the nozzles 17-21 of the nozzle assembly D2 are directed towards the upper side OS of the flat steel product S.
- the gas jets G emerging from the nozzles 11-2 form two gas flows G1, G2, of which the one gas flow G1 is in the form of a steel flat product S to be treated in the manner of a spirally turbulent circulating flow roll in the direction of the Input 5 and the other gas flow G2 flows in the same manner as the treated steel flat product S in the manner of a spiral in the opposite direction spiraling circulating flow roll on the output 6 of the annealing furnace 1.
- the origin of the gas flows G1, G2 lies approximately in the middle of the length of the conveying path 4 in the region of the nozzle 19, whose transversely to the conveying path 4 discharged gas jet G by the arranged from the gas jets G of the opposite, in the direction of the input 5 and Output 6 directed nozzles 13,14 pulse is divided into two flowing in opposite directions partial streams, from which the gas flows G1, G2 form.
- escaping gas jets G receives the gas flow GI a new impulse and additional volume flow, allowing it to spiral around the feed path 4 and that on it
- the gas flow to the annealing furnace chamber 1 is controlled in total so that in the annealing furnace 1 a running
- An effective sealing of the annealing furnace chamber 1 with respect to the arranged in the conveying direction in front of and behind the first annealing furnace chamber 1 annealing furnace chambers 2a, 2b existing, in each case H 2 -containing reducing atmosphere Rl, R2 is also achieved in that in particular the gas jets G discharged from the nozzles 5, 11 closest to the inlet 5, the reducing atmosphere Rl of the annealing furnace chamber 2a which is forced into the inlet 5 and those from the outlet 6 next urgent nozzles 16,21
- Gas flow G2 reaching respective reduction atmosphere R1, R2 is reliably prevented from entering the annealing furnace 1.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Coating With Molten Metal (AREA)
- Furnace Details (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/116,530 US9551046B2 (en) | 2011-05-10 | 2012-03-30 | Apparatus and method for the treatment of a flat steel product, taking place in throughput |
JP2014509647A JP6198718B2 (ja) | 2011-05-10 | 2012-03-30 | 連続的態様で行う鋼板製品の処理装置および処理方法 |
EP12714618.1A EP2707516A1 (de) | 2011-05-10 | 2012-03-30 | Vorrichtung und verfahren zum im durchlauf erfolgenden behandeln eines stahlflachprodukts |
CA2834637A CA2834637C (en) | 2011-05-10 | 2012-03-30 | Apparatus and method for the treatment of a flat steel product, taking place in throughput |
CN201280022848.3A CN103562419B (zh) | 2011-05-10 | 2012-03-30 | 对扁钢产品进行连续处理的装置和方法 |
KR1020137032700A KR101885343B1 (ko) | 2011-05-10 | 2012-03-30 | 판상 제품을 연속으로 처리하기 위한 장치 및 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011050243A DE102011050243A1 (de) | 2011-05-10 | 2011-05-10 | Vorrichtung und Verfahren zum im Durchlauf erfolgenden Behandeln eines Stahlflachprodukts |
DE102011050243.2 | 2011-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012152508A1 true WO2012152508A1 (de) | 2012-11-15 |
Family
ID=45974274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/055854 WO2012152508A1 (de) | 2011-05-10 | 2012-03-30 | Vorrichtung und verfahren zum im durchlauf erfolgenden behandeln eines stahlflachprodukts |
Country Status (7)
Country | Link |
---|---|
US (1) | US9551046B2 (de) |
EP (1) | EP2707516A1 (de) |
JP (1) | JP6198718B2 (de) |
KR (1) | KR101885343B1 (de) |
CA (1) | CA2834637C (de) |
DE (1) | DE102011050243A1 (de) |
WO (1) | WO2012152508A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150209840A1 (en) * | 2014-01-30 | 2015-07-30 | Thyssenkrupp Steel Europe Ag | Method for the surface treatment of a workpiece |
WO2019096616A1 (de) * | 2017-11-17 | 2019-05-23 | Sms Group Gmbh | Verfahren zur voroxidation von bandstahl in einer in einem ofenraum angeordneten reaktionskammer |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011050243A1 (de) * | 2011-05-10 | 2012-11-15 | Thyssenkrupp Steel Europe Ag | Vorrichtung und Verfahren zum im Durchlauf erfolgenden Behandeln eines Stahlflachprodukts |
RU2705846C2 (ru) * | 2015-04-02 | 2019-11-12 | Кокрий Ментенанс Эт Энженьери С.А. | Способ и устройство для управления реакцией |
EP3173495A1 (de) * | 2015-11-25 | 2017-05-31 | Cockerill Maintenance & Ingenierie S.A. | Verfahren und vorrichtung zur reaktionskontrolle |
EP3292224B1 (de) * | 2015-05-07 | 2019-12-25 | Cockerill Maintenance & Ingéniérie S.A. | Verfahren und vorrichtung zur reaktionskontrolle |
FR3046423B1 (fr) * | 2015-12-30 | 2018-04-13 | Fives Stein | Dispositif et procede pour realiser une oxydation controlee de bandes metalliques dans un four de traitement en continu |
DE102018204476A1 (de) * | 2018-03-23 | 2019-09-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung mit einem Ofen und Verfahren zu deren Verwendung |
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- 2011-05-10 DE DE102011050243A patent/DE102011050243A1/de not_active Ceased
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2012
- 2012-03-30 CA CA2834637A patent/CA2834637C/en not_active Expired - Fee Related
- 2012-03-30 JP JP2014509647A patent/JP6198718B2/ja not_active Expired - Fee Related
- 2012-03-30 KR KR1020137032700A patent/KR101885343B1/ko active IP Right Grant
- 2012-03-30 US US14/116,530 patent/US9551046B2/en active Active
- 2012-03-30 EP EP12714618.1A patent/EP2707516A1/de not_active Withdrawn
- 2012-03-30 WO PCT/EP2012/055854 patent/WO2012152508A1/de active Application Filing
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150209840A1 (en) * | 2014-01-30 | 2015-07-30 | Thyssenkrupp Steel Europe Ag | Method for the surface treatment of a workpiece |
US10449597B2 (en) * | 2014-01-30 | 2019-10-22 | Thyssenkrupp Steel Europe Ag | Method for the surface treatment of a workpiece |
WO2019096616A1 (de) * | 2017-11-17 | 2019-05-23 | Sms Group Gmbh | Verfahren zur voroxidation von bandstahl in einer in einem ofenraum angeordneten reaktionskammer |
Also Published As
Publication number | Publication date |
---|---|
EP2707516A1 (de) | 2014-03-19 |
US9551046B2 (en) | 2017-01-24 |
CA2834637A1 (en) | 2012-11-15 |
CA2834637C (en) | 2019-02-12 |
CN103562419A (zh) | 2014-02-05 |
KR101885343B1 (ko) | 2018-08-06 |
JP6198718B2 (ja) | 2017-09-20 |
US20140203482A1 (en) | 2014-07-24 |
DE102011050243A1 (de) | 2012-11-15 |
KR20140024918A (ko) | 2014-03-03 |
JP2014514458A (ja) | 2014-06-19 |
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