EP2513582B1 - Ausrüstung zur vorerwärmung von kontinuierlich beweglichem bandstahl - Google Patents

Ausrüstung zur vorerwärmung von kontinuierlich beweglichem bandstahl Download PDF

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EP2513582B1
EP2513582B1 EP10715131.8A EP10715131A EP2513582B1 EP 2513582 B1 EP2513582 B1 EP 2513582B1 EP 10715131 A EP10715131 A EP 10715131A EP 2513582 B1 EP2513582 B1 EP 2513582B1
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Prior art keywords
preheating
tubes
strip
equipment according
chamber
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EP10715131.8A
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English (en)
French (fr)
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EP2513582A1 (de
Inventor
Pierre-Jérôme BORREL
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Clecim SAS
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Primetals Technologies France SAS
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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
    • F27B9/28—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity for treating continuous lengths of work
    • 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
    • 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
    • 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
    • C21D9/562—Details
    • 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
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • F27D99/0035—Heating indirectly through a radiant surface

Definitions

  • the invention relates to a preheating installation for a continuously moving steel strip, in particular before it is introduced into a continuous annealing or dip galvanizing furnace, according to the preamble of claim 1. It is known that, in the continuous annealing or galvanizing of steel strip systems in continuous running, the packaged strip in the form of coil is first unrolled then annealed and possibly galvanized before being rewound. It therefore passes rapidly, at a speed of up to several meters per second, from the ambient temperature to a maximum temperature required by the desired metallurgical objective and which can exceed 850 ° C.
  • This energy can be recovered in various ways, for example to heat the combustion gases of direct flame burners or radiant tubes of "recuperator” or “regenerative” types.
  • the flue gases are captured in the furnace or at the outlet of the radiant tubes and then blown by diffusers at the surface of the strip. Given the high temperature of the gases, which can reach more than 1000 ° C, they are first diluted in fresh air in order to reduce their temperature up to values compatible with the operating and resistance capacities of the exhausters. ensuring their capture and distribution to the blowing devices on the tape. Typically, the gases are cooled to about 300 to 450 ° C before being used for preheating, which significantly affects the performance of the operation.
  • the flue gases pass through an exchanger where they are cooled by yielding part of their heat to a preheating gas blown on the surface of the strip, then are evacuated by evacuation enhancers.
  • This preheating gas may be air or, as in the case of JP60-135530A , the gas constituting the controlled atmosphere of a radiant tube furnace.
  • the efficiency of the operation is largely penalized by the efficiency of an additional exchanger burnt gases / preheating gas.
  • the invention must therefore make it possible to solve these problems, in particular by making it possible to carry out the preheating of the strip in an enclosure having a controlled atmosphere, to recover in exhausts finally preheating gases which are very much cooled and which do not require any dilution. .
  • the invention must make it possible to avoid the need for an external exchanger between a hot gas and the actual preheating gas and allows the return of highly cooled gases, the evacuation of which is thus considerably facilitated.
  • the invention thus proposes an associated preheating installation according to the main claim 1.
  • a set of sub-claims completes the various aspects and advantages.
  • the invention relates to an installation capable of preheating a continuously moving steel strip before entering a continuous annealing or galvanizing furnace in which external recovery flue gases in direct flame burners or radiant tubes used for heating or maintaining the temperature of said strip in the oven are taken and then conducted in at least one preheating member of the strip itself included in a preheating chamber under controlled atmosphere, then these gases then cooled are extracted from the preheating chamber and directed to an evacuation device, for example an exhaust and a chimney.
  • an evacuation device for example an exhaust and a chimney.
  • the steel strip preheating installation in continuous movement in a preheating chamber comprises (in said enclosure) a preheating circuit consisting of at least one preheating tube whose inner surface is in contact with burnt gas. external recovery.
  • a preheating circuit consisting of at least one preheating tube whose inner surface is in contact with burnt gas.
  • external recovery may be close to JP360135530A which presents real tubes of an additional exchanger to the preheating module, as well as JP361048533A which includes caissons comparable to tubes where burnt gases are injected.
  • the preheating installation differs from each of these documents in that a part of the external surface of said preheating tube is arranged at such a distance and in direct view of a surface of the strip ensuring firstly a first mode of preheating by thermal radiation on the strip and the walls of the enclosure, and secondly providing a second mode of preheating, by convection, a gas constituting a controlled atmosphere in the enclosure of preheating, said gas being at least present between the outer surface of the tube and the surface of the strip.
  • the distance separating the external surface of the tube and the surface of the strip is adjustable according to the intensity of the effects of the two modes to be ensured, which therefore makes it possible to weight them together and separately and thus to better control the efficiency of the preheating desired.
  • the annexed gas under controlled atmosphere has pre-established oxidoreductive properties depending on the band as well as any other material coming into direct contact with it.
  • the band is advantageously not chemically altered.
  • the auxiliary gas may be static or circulated out of the tube in the direct vicinity of the strip, that is to say less between the portion of the outer surface of the tube and the strip surface.
  • Preheating tube means any body having an inner wall and an outer wall and having an orifice at two of its ends, a flue gas inlet and an outlet port.
  • the outer surface of a tube installed in a preheating chamber is partly in direct view of the surface of the strip and partly also in direct view of the walls of the enclosure which, in turn are able to radiate on the surface of the band and to heat the gas of the enclosure by convection.
  • a plurality of preheating tubes can thus be arranged side by side, for example perpendicular to the direction of movement of the strip, in layers substantially parallel thereto and in direct view of at least one of its faces. These layers are therefore in direct radiation situation on the surface of the strip to ensure its heating efficiently and homogeneously.
  • these plies therefore have the advantage of being placed as close as possible to the strip while guaranteeing the absence of contact with it during its travel, given its deformations and its movements.
  • Elements or screens mentioned above may be contiguous to said plies guaranteeing at least a free distance from contact with the strip.
  • the heating system may be designed so that the strip has a vertical scroll in at least one pass between rollers located at the bottom and top of the enclosure, and that at least one layer of (horizontal) preheating tubes is in direct view of a face of each up or down band pass.
  • At least two layers of preheating tubes each being in direct view of one of the two faces of the strip, concomitantly provide heating of the two faces of each band pass ascending or descending.
  • the preheating tube plies consist of a plurality of tubes connected together by collectors solidarisable at the ends close to the tubes.
  • the preheating installation comprises in particular at least one fixing member adapted to maintain at least one tube or at least one sheet of preheating tubes and advantageously allowing the heating properties to be adjusted according to characteristics of the strips, their formats (width, thicknesses), a scrolling speed, etc. and facilitates maintenance of each tube.
  • said preheating installation comprises separating means coupled to said fixing member and means for isolating each sheet of tubes, thus removable, advantageously respectively enabling individual disassembly of each sheet of tubes mounted on said fixing member, and that to isolate (especially smoke side) individually each sheet of tubes other plies of tubes.
  • the plies can be supported in the enclosure by said fasteners, which can advantageously be compatible with those of radiant tubes with which the plies are thus interchangeable.
  • This arrangement makes it possible to use assembly and disassembly tools identical to those used for a furnace with radiant tubes. It also makes it possible to mount a radiant tube temporarily in case of disassembly of a sheet for repair.
  • the fastener of the present invention simply allows a withdrawal of the sheet to which said pierced tube would belong, or an insulation of said tablecloth relative to other plies by means of said insulation means, waiting for example a next maintenance stop of the preheating installation.
  • the means for separating and isolating advantageously allow a simple and effective adaptation of the preheating system to an increase in power of the furnace, for example by replacing a sheet with four recovery tubes by a radiant tube gas that would save more energy, but would increase production.
  • the fixing member and the said separation and isolation means make it possible, in particular, to adapt a geometry of the plies of tubes to heating conditions of the strips.
  • these preheating tube plies can be arranged so that at operating temperature (due to expansion due to thermal effects) they are suitably as close as possible to one another, in particular in that at least two preheating tubes are arranged such that a gap between them is between zero and 1/40 of the distance of said tubes with the strip.
  • the preheating tubes are arranged such that at operating temperature (due to expansion due to thermal effects) a gap is undoubtedly formed between two successive tubes, the ratio between the tube / band distance and the width of the gap being between 4 and 40 to ensure preheating effectively adapted to a steel strip.
  • the blower device is particularly capable of producing at least one jet of said heated gases between adjacent preheating ramps.
  • the pitch of the successive tubes is in particular equal to the distance separating the longitudinal central axis of two tubes. successive. Indeed, if the tubes are too close (ratio ⁇ 1) successive jets disturb each other, and if they are too far (ratio> 5) the volume between adjacent tubes of preheating tubes will be the seat few heat exchanges.
  • the preheating tubes constituting the preheating member may be equipped with at least one internal recuperative fin in contact with the flue gases. These recover heat by contact with the flue gases and by radiation from the inner walls of the tube.
  • the preheating tubes are, according to the invention, equipped with at least one external radiating fin in contact with the gases of the enclosure and able to radiate on the strip.
  • the flue gas recovery manifolds can advantageously be located inside the oven enclosure, without venting, before being directed to the preheating chamber.
  • the feed collectors preheating organs may also remain within said enclosure, which avoids energy losses and costly insulation.
  • the preheating chamber may advantageously be in direct communication with the enclosure of the furnace and share the same controlled atmosphere.
  • the recovery of flue gas is conventionally output radiant tubes outside the enclosure of the furnace.
  • the figure 2 describes the principle of preheating a strip (B) by a preheating tube (31) of a preheating member (3).
  • the flue gases from a continuous annealing furnace or galvanizing circulate inside each of the preheating tubes which have an inner wall (311) in contact with the hot gas and an outer wall (312) located in the immediate vicinity Of the band.
  • the tube has, for example, a circular section and has two internal recuperative fins (313) and two external radiating fins (314).
  • the flue gases transfer some of their heat to the preheating tubes (31) by contact with their inner wall (311) and with their internal recuperative fins (313). Most of this heat is transferred by conduction to the outer wall (312) and external radiating fins (314) which provide both radiation heating of the band (B) and walls of the enclosure, and convection heating the neutral gas of said enclosure. Part of this heat is exchanged by radiation between the inner wall (311) and the internal recuperative fins (313).
  • the figure 3 describes an example of arrangement of two preheating members (3a, 3b).
  • Each heating member comprises two plies consisting of a plurality of tubes (31), here by way of example finned tubes, each of the plies being disposed closer to each of the two faces of the strip which runs on rollers (41) in at least two vertical passes.
  • Each preheating member thus ensures the heating of a rising pass (for 3a) or descending (for 3b) of the strip (B) running in the preheating chamber (4).
  • the moving strip is subjected respectively to the radiation of the two preheating members (3a - 3b).
  • a volume of neutral gas is subjected to heating by the adjacent faces of the first and second preheating member.
  • the preheating tubes are arranged such that a gap of size between 1/4 and 1/40 of their distance from the strip is formed between their respective outer radiating fins and an exhauster (42) ensures a forced circulation of the neutral gas between an extraction duct (43) and a blowing duct (44) supplying the space between the plies (3a2 - 3b1) of the two adjacent preheating members (3a - 3b).
  • the gas is convectively heated between these two layers and is blown onto the surface of the strip by the interstices between the radiating fins (314).
  • the blowing duct (44) can be divided into as many branches as is necessary to ensure the blowing of the neutral gas in as many spaces between the set of adjacent preheating elements that comprises the preheating chamber.
  • one or more layers can be added between the layers represented on the figure 3 .
  • the figure 4 discloses another example of arrangement of two preheating members (3a, 3b).
  • Each heating member comprises two plies consisting of a plurality of tubes (31), each of the plies being disposed closer to each of the two faces of the strip which runs on rollers (41) in at least two vertical passes.
  • Each preheating member thus ensures the heating of a rising pass (for 3a) or descending (for 3b) of the strip (B) running in the preheating chamber (4).
  • the moving strip is subjected respectively to the radiation of the two preheating members (3a - 3b).
  • a volume of neutral gas is subjected to heating by the adjacent faces of the first and second preheating member.
  • the preheating tubes are arranged in such a way that no noticeable gaps remain between them.
  • An exhauster (42) ensures a forced circulation of the neutral gas between an extraction duct (43) and two blower ducts (44a-44b) supplying blowing nozzles (441) blowing the heated neutral gas onto the surface of the strip at an almost tangent incidence and a direction opposite to the direction of its scrolling.
  • the extraction duct (43) captures the heated neutral gas between the plies (3a2) and (3b1).
  • the blowing duct (44) can be divided into as many branches as is necessary to ensure the blowing of the neutral gas in as many upstream or downstream band passes that includes the preheating chamber.
  • one or more layers can be added between the layers represented on the figure 4 .
  • the figure 5 describes two examples of construction of preheating tubes (31).
  • the length of the internal recuperative fins (313) has been increased to improve the exchange with the flue gases circulating inside the tube.
  • the addition of a tube (315) concentric to the tube (31) also improves the exchange with the flue gases and, at the same rate, increases their circulation speed.
  • the figure 6 describes a possibility of modular constitution of the preheating tube plies to facilitate their replacement.
  • Number of constituent tubes of a web element may vary according to the needs and the example of the figure in which four tubes are shown is not limiting.
  • Each element of plies consists of a plurality of tubes (31), each being equipped with two fins (314).
  • the flue gas flows between an inlet and an outlet inside the tubes (31) connected together by collectors (316).
  • the sheet is supported by a fixing plate (318) removably attached to the wall (45a) of the enclosure (4) and by at least one pin (317) bearing in the other wall (45b).
  • Members (319) for securing the various elements make it possible to give the sheet the rigidity necessary for its use and its handling. Such an arrangement is achievable with tubes without fins or with fins as shown in the figure.
  • This arrangement allows a total interchangeability of the plies of heating tubes with conventional radiant tubes equipped with burners.
  • the process according to the invention can be economically substituted for preheating by radiant tubes on an existing installation.

Claims (16)

  1. Einrichtung zur Vorwärmung eines in einer Vorwärmkammer (4) kontinuierlich durchlaufenden Stahlbandes (B), welche einen Vorwärmkreis (3) umfasst, der aus wenigstens einem Vorwärmrohr besteht, dessen Innenoberfläche sich mit Abgasen aus externer Rückgewinnung in Kontakt befindet,
    dadurch gekennzeichnet, dass wenigstens eine äußere Abstrahlungsrippe (314) der Außenoberfläche des Vorwärmrohres in direkter Sichtverbindung zu einer Fläche des Bandes angeordnet ist, wobei sie einen ersten Vorwärmmodus durch Wärmestrahlung auf das Band und die Wände der Kammer und einen zweiten Vorwärmmodus durch Konvektion eines Gases, das eine kontrollierte Atmosphäre in der Vorwärmkammer bildet, gewährleistet.
  2. Einrichtung zur Vorwärmung nach Anspruch 1, die dafür ausgelegt ist, vor einem Eintritt des Bandes in einen Durchlaufglühofen oder Galvanisierungsofen angeordnet zu werden, in welchem die Abgase in Brennern mit direkter Flamme oder Abstrahlungsrohren zurückgewonnen werden, die zur Erwärmung oder Aufrechterhaltung der Temperatur des Bandes im Ofen verwendet werden, und die umfasst:
    - eine Leitung zum Leiten der Gase des Ofens zu dem Vorwärmorgan des Bandes, das in der Vorwärmkammer unter kontrollierter Atmosphäre enthalten ist,
    - eine Abzugsvorrichtung zum Absaugen der Gase aus der Vorwärmkammer, zum Beispiel in Form eines Entlüfters und eines Kamins.
  3. Einrichtung zur Vorwärmung nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, dass mehrere nebeneinander angeordnete Vorwärmrohre wenigstens eine Reihe bilden, die zu dem Band parallel und in direkter Sichtverbindung zu wenigstens einer der Seiten des Bandes angeordnet ist.
  4. Einrichtung zur Vorwärmung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Band in wenigstens einem Durchlaufabschnitt zwischen Walzen, die im unteren und im oberen Teil der Kammer angeordnet sind, vertikal durchläuft, und dass wenigstens eine Reihe von Vorwärmrohren in direkter Sichtverbindung zu einer Seite jedes aufwärts oder abwärts gerichteten Durchlaufabschnitts angeordnet ist.
  5. Einrichtung zur Vorwärmung nach Anspruch 3 oder 4,
    dadurch gekennzeichnet, dass wenigstens zwei Reihen von Vorwärmrohren, die jeweils in direkter Sichtverbindung zu einer der beiden Seiten des Bandes angeordnet sind, gleichzeitig die Erwärmung der beiden Seiten jedes aufwärts oder abwärts gerichteten Durchlaufabschnitts sicherstellen.
  6. Einrichtung zur Vorwärmung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass die aus einer Vielzahl von Rohren bestehenden Reihen von Vorwärmrohren durch Sammelrohre miteinander verbunden sind, die an den benachbarten Enden der Rohre befestigbar sind.
  7. Einrichtung zur Vorwärmung nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass jede Reihe von Vorwärmrohren in der Kammer von Befestigungsmitteln abgestützt wird, die mit denjenigen von Abstrahlungsrohren kompatibel sind, mit denen die Reihen austauschbar sind.
  8. Einrichtung zur Vorwärmung nach den Ansprüchen 1 bis 7,
    dadurch gekennzeichnet, dass wenigstens zwei Vorwärmrohre derart angeordnet sind, dass ein Zwischenraum zwischen ihnen zwischen null und 1/40 des Abstands dieser Rohre von dem Band liegt.
  9. Einrichtung zur Vorwärmung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass wenigstens zwei Vorwärmrohre derart angeordnet sind, dass ein Zwischenraum zwischen zwei aufeinander folgenden Rohren ausgebildet ist, wobei das Verhältnis zwischen dem Abstand Rohre/Band und der Breite des Zwischenraumes zwischen 4 und 40 liegt.
  10. Einrichtung zur Vorwärmung nach Anspruch 9, dadurch gekennzeichnet, dass das Verhältnis zwischen dem Abstand aufeinander folgender Rohre der Reihe und dem Abstand Rohre/Band zwischen 1 und 5 liegt.
  11. Einrichtung zur Vorwärmung nach einem der Ansprüche 9 oder 10, dadurch gekennzeichnet, dass eine Zwangsumwälzung des Gases der Kammer zwischen wenigstens einem Rückgewinnungspunkt in der Kammer und wenigstens einem Volumen, das sich zwischen benachbarten und in direkter Sichtverbindung zueinander befindlichen Galerien von Vorwärmrohren befindet, durchgeführt wird.
  12. Einrichtung zur Vorwärmung nach einem der Ansprüche 9 oder 11, dadurch gekennzeichnet, dass das Gas der Kammer, das zwischen benachbarten und in direkter Sichtverbindung zueinander befindlichen Galerien von Vorwärmrohren erwärmt wird, durch die zwischen den aufeinander folgenden Rohren ausgebildeten Zwischenräume orthogonal auf die Oberfläche des Bandes geblasen wird.
  13. Einrichtung zur Vorwärmung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass eine Zwangsumwälzung des Gases der Kammer zwischen wenigstens zwei benachbarten und in direkter Sichtverbindung zueinander befindlichen Galerien von Vorwärmrohren und wenigstens einem Punkt des Blasens auf die Oberfläche des Bandes durchgeführt wird.
  14. Einrichtung zur Vorwärmung nach Anspruch 13, dadurch gekennzeichnet, dass das Gas der Kammer im Gegenstrom zur Durchlaufrichtung des Bandes auf die Oberfläche des Bandes geblasen wird, idealerweise durch Blasdüsen.
  15. Einrichtung zur Vorwärmung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass jedes Vorwärmrohr mit wenigstens einer inneren Rekuperationsrippe ausgestattet ist.
  16. Einrichtung zur Vorwärmung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass sie Mittel zur Abtrennung, die mit einem Befestigungsorgan gekoppelt sind, und Mittel zur Isolation jeder Reihe von Rohren umfasst.
EP10715131.8A 2009-12-15 2010-03-25 Ausrüstung zur vorerwärmung von kontinuierlich beweglichem bandstahl Active EP2513582B1 (de)

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EP10715131.8A EP2513582B1 (de) 2009-12-15 2010-03-25 Ausrüstung zur vorerwärmung von kontinuierlich beweglichem bandstahl

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EP09290941 2009-12-15
PCT/EP2010/053908 WO2011072883A1 (fr) 2009-12-15 2010-03-25 Installation et procédé de préchauffage d'une bande d'acier en défilement continu
EP10715131.8A EP2513582B1 (de) 2009-12-15 2010-03-25 Ausrüstung zur vorerwärmung von kontinuierlich beweglichem bandstahl

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EP2513582A1 EP2513582A1 (de) 2012-10-24
EP2513582B1 true EP2513582B1 (de) 2018-05-02

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US (1) US9631867B2 (de)
EP (1) EP2513582B1 (de)
CN (1) CN102686965B (de)
BR (1) BR112012014451B1 (de)
TR (1) TR201807600T4 (de)
WO (1) WO2011072883A1 (de)

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CN103199215B (zh) * 2012-01-05 2016-12-21 三星Sdi株式会社 热处理设备
FR3018344B1 (fr) * 2014-03-04 2016-04-29 Cockerill Maintenance & Ingenierie Sa Four industriel pour chauffer des produits tels des produits siderurgiques
US10486332B2 (en) 2015-06-29 2019-11-26 Corning Incorporated Manufacturing system, process, article, and furnace
CN113263605B (zh) 2015-06-29 2023-02-03 康宁股份有限公司 生产线、方法、以及烧结制品
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
CN108151557A (zh) * 2016-12-02 2018-06-12 宝山钢铁股份有限公司 一种适用于喷气加热技术的换热器
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CN106884131B (zh) * 2017-01-13 2018-12-18 浙江华达新型材料股份有限公司 一种钢板二次镀锌的工艺及连续热镀锌钢带退火炉
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WO2011072883A1 (fr) 2011-06-23
BR112012014451A8 (pt) 2017-03-21
EP2513582A1 (de) 2012-10-24
US9631867B2 (en) 2017-04-25
CN102686965B (zh) 2016-02-17
BR112012014451B1 (pt) 2018-04-24
TR201807600T4 (tr) 2018-06-21
CN102686965A (zh) 2012-09-19
BR112012014451A2 (pt) 2017-03-07
US20120264073A1 (en) 2012-10-18

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