EP1462529B1 - Haubenglühofen, insbesondere für Stahlband- oder Drahtbunde - Google Patents

Haubenglühofen, insbesondere für Stahlband- oder Drahtbunde Download PDF

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Publication number
EP1462529B1
EP1462529B1 EP04450059A EP04450059A EP1462529B1 EP 1462529 B1 EP1462529 B1 EP 1462529B1 EP 04450059 A EP04450059 A EP 04450059A EP 04450059 A EP04450059 A EP 04450059A EP 1462529 B1 EP1462529 B1 EP 1462529B1
Authority
EP
European Patent Office
Prior art keywords
annular
heat exchanger
directing mechanism
radial fan
guiding apparatus
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.)
Expired - Lifetime
Application number
EP04450059A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1462529A1 (de
Inventor
Peter Dipl.-Ing. Ebner
Heribert Dipl.-Ing. Lochner
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.)
Ebner Industrieofenbau GmbH
Original Assignee
Ebner Industrieofenbau GmbH
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
Application filed by Ebner Industrieofenbau GmbH filed Critical Ebner Industrieofenbau GmbH
Publication of EP1462529A1 publication Critical patent/EP1462529A1/de
Application granted granted Critical
Publication of EP1462529B1 publication Critical patent/EP1462529B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C21D9/663—Bell-type furnaces
    • C21D9/667—Multi-station furnaces
    • C21D9/67—Multi-station furnaces adapted for treating the charge in vacuum or special atmosphere
    • 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
    • C21D9/663—Bell-type furnaces
    • C21D9/673—Details, accessories, or equipment peculiar to bell-type furnaces

Definitions

  • the invention relates to a crucible annealing furnace, in particular for steel strip or wire coils, with a Glühsokkel receiving the annealed, with a gas-tight patch guard, with a mounted in the glow base radial fan, which includes an impeller and a rotor surrounding the impeller for circulating a protective gas in the Protective hood comprises, with a heat exchanger for cooling the protective gas, which is connected on the input side via a flow channel to the pressure side of the radial blower and the output side opens into an annular gap between the nozzle and the guard, and with an axially displaceable in the pressure-side flow path of the radial deflector for optional Connection of the flow channel leading to the heat exchanger to the radial fan.
  • axially adjustable slide In the flow channels axially adjustable slide are mounted, which can be advanced in the pressure-side flow path of the radial fan to the aspirated from the protective gas flow over the cooling chamber to lead, which is connected via an outer annular gap between the nozzle of the radial fan and the protective hood with the protective hood in fluid communication.
  • the flow channels In the lowered slide position, the flow channels are closed, so that the axially sucked inert gas is passed through the impeller of the radial fan through the nozzle in the circuit in the protective hood.
  • the slides To cool the protective gas, the slides are raised, which has the deflection of the protective gas down to the cooling chamber result. Since the glow base must be broken down, the arrangement of the axial flow channels adversely affects the carrying capacity of the glow plug.
  • unfavorable flow conditions result in the deflection of the protective gas to the cooling chamber, because the switching device must be provided in the region of the highest exit velocity of the protective gas from the impeller.
  • the invention is therefore the object of a Haubenglühofen of the type described with simple structural means in such a way that an advantageous protective gas cooling can be achieved without having to intervene in the construction of the Glühsockels sustainable.
  • the invention solves the problem set by the fact that the protective cover is mounted gas-tight via an annular flange, that the heat exchanger is below the annular flange, that the flow channel consists of an outgoing from the outer periphery of the diffuser, concentric with the annular gap annular channel and that the deflection as the diffuser outside enclosing, annular deflecting slide is formed.
  • the deflection device which deflects the protective gas to be cooled into the annular duct leading to the heat exchanger is assigned to the outlet side of the distributor, which allows advantageous flow conditions for the gas flow to be deflected, especially as the deflection valve surrounds the distributor continuously.
  • the outgoing from the outer periphery of the nozzle, designed as an annular channel flow channel also provides an advantageous prerequisite for a heat exchanger assembly in the form of a ring surrounding the glow socket, which allows a simple seal the guard over an annular flange, without having to make separate cooling measures in this area.
  • the arranged below the annular flange of the protective heat exchanger ensures yes on the cooled inert gas for a corresponding cooling in this area.
  • the annular channel and the annular gap can be separated from each other by a cylindrical wall, which is mounted axially displaceable and carries the annular deflecting slide. Since the cylindrical wall is used to adjust the annular deflecting slide, otherwise required drive connections between the actuator and the Umlenkschieber omitted.
  • vanes of the diffuser at their outer end faces recesses for the Umlenkschieber, so there is a crowded design in the radial direction, which allows an immediate takeover of flow control through the Umlenkschieber, namely with a corresponding configuration of the Umlenkschiebers both against the protective hood and towards the ring channel.
  • the bell annealing furnace has an annealing base 1, in which a radial fan 2 is mounted, the impeller 3 is driven by a motor 4.
  • the impeller 3 is enclosed by a nozzle 5, the vanes are denoted by 6.
  • the resting on the glow base 1 Glühgut 7, which is only indicated by dash-dotted lines, is covered by a protective cover 8, which has an annular flange 9 is supported, which provides a circumferential seal 10 for a gas-tight closure of the protective cover 8.
  • the glow base 1 is surrounded by a heat exchanger 11, which opens on the downstream side in an annular gap 12 between the protective cover 8 and the nozzle 5.
  • the heat exchanger 11 connects to a flow channel 13, which is designed as an annular gap 14 concentric to the annular gap.
  • the separation between the annular channel 14 and the annular gap 12 is effected by a cylindrical wall 15 which is axially displaceably mounted and connected to an actuator 16 via lifting rods 17.
  • the wall 15 carries an outside of the nozzle 5 subsequent deflection in the form of the nozzle 5 enclosing annular Umlenkschiebers 18 which releases either the gas flow according to FIG.
  • the Umlenkschieber 18 advantageously fits into the space won, which brings a radially crowded design with it.
  • the deflecting slide 18 is raised from the lowered position shown in FIG. 1 into the position according to FIG. 2 in order to cool a corresponding gas flow via the annular channel 14 through the heat exchanger 11 and via the annular gap 12 to supply the protective cover 8 again.
  • the cooling of the protective gas in the region below the annular flange 9 brings a cooling of the protective hood with the annular flange 9 in this area with it, which would otherwise be unnecessary separate cooling measures.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Articles (AREA)
  • Furnace Details (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
EP04450059A 2003-03-24 2004-03-12 Haubenglühofen, insbesondere für Stahlband- oder Drahtbunde Expired - Lifetime EP1462529B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT4612003 2003-03-24
AT0046103A AT411904B (de) 2003-03-24 2003-03-24 Haubenglühofen, insbesondere für stahlband- oder drahtbunde

Publications (2)

Publication Number Publication Date
EP1462529A1 EP1462529A1 (de) 2004-09-29
EP1462529B1 true EP1462529B1 (de) 2007-10-17

Family

ID=29588421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04450059A Expired - Lifetime EP1462529B1 (de) 2003-03-24 2004-03-12 Haubenglühofen, insbesondere für Stahlband- oder Drahtbunde

Country Status (15)

Country Link
US (1) US7252798B2 (es)
EP (1) EP1462529B1 (es)
JP (1) JP4504057B2 (es)
KR (1) KR101016527B1 (es)
AT (2) AT411904B (es)
BR (1) BRPI0400753B1 (es)
CA (1) CA2461857C (es)
DE (1) DE502004005234D1 (es)
ES (1) ES2295811T3 (es)
MX (1) MXPA04002738A (es)
PL (1) PL202448B1 (es)
RU (1) RU2343213C2 (es)
TW (1) TWI316552B (es)
UA (1) UA81748C2 (es)
ZA (1) ZA200402278B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7959172B2 (en) * 2008-05-02 2011-06-14 Michael Nashawaty Push-in-bung assembly and suspension system using same
AT507671B1 (de) * 2009-03-13 2010-07-15 Ebner Ind Ofenbau Hochtemperaturofen zur glühbehandlung von blechbunden
AT507423B1 (de) * 2009-03-25 2010-05-15 Ebner Ind Ofenbau Verfahren zum vorwärmen von glühgut in einer haubenglühanlage
DE102011088634B4 (de) 2011-12-14 2014-07-31 Ebner Industrieofenbau Gmbh Geschlossenes Transportfluidsystem zum ofeninternen Wärmeaustausch zwischen Glühgasen
DE102011088633A1 (de) * 2011-12-14 2013-06-20 Ebner Industrieofenbau Gmbh Haubenofen mit innerhalb einer Schutzhaube positioniertem Wärmeabgabegerät, insbesondere gespeist von einer ofenraumexternen Energiequelle, zum Abgeben von Wärme an Glühgas
EP3222734A1 (de) * 2016-03-23 2017-09-27 Voestalpine Stahl GmbH Verfahren zum temperaturbehandeln eines mangan-stahlzwischenprodukts und stahlzwischenprodukt, das entsprechend temperaturbehandelt wurde
CN109579546B (zh) * 2018-11-29 2021-01-12 湖南顶立科技有限公司 一种双级冷却炉
CN109439875B (zh) * 2018-12-07 2021-01-12 湖南顶立科技有限公司 一种导流盘及罩式炉
CN116479229A (zh) * 2023-03-31 2023-07-25 江苏贯森新材料科技有限公司 超薄精密软态不锈钢带的退火装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB455089A (en) * 1935-04-09 1936-10-09 Birmingham Electr Furnaces Ltd Improvements in, or relating to, furnaces or apparatus for use in the heat-treatment of metals
US3071500A (en) * 1957-09-09 1963-01-01 Robert L Corbett Hood-type annealing furnace
ES398461A1 (es) * 1971-12-29 1975-06-01 Guinea Hermanos Ingenieros Sa Nuevo sistema para acelerar el enfriamiento de las cargas en los hornos de circulacion forzada de atmosfera controla- da.
US4846675A (en) * 1987-06-01 1989-07-11 Worthington Industries, Inc. Annealing furnace
JPH0693343A (ja) * 1992-09-07 1994-04-05 Chugai Ro Co Ltd ベル型焼鈍炉
US5340091A (en) * 1993-04-21 1994-08-23 Gas Research Institute Batch coil annealing furnace
DE4327975A1 (de) 1993-08-19 1995-02-23 Loi Ind Ofenanlagen Verfahren und Vorrichtung zum Austauschen der Atmosphäre in einem Haubenglühofen
EP0790320A1 (de) * 1996-02-13 1997-08-20 Peter Helmut Dipl.-Ing. Ebner Haubenglühofen
JPH09235619A (ja) * 1996-02-28 1997-09-09 Peter Helmut Ebner フード焼なまし炉
JP3098982B2 (ja) 1997-08-13 2000-10-16 中外炉工業株式会社 ベル型焼鈍炉のベース構造

Also Published As

Publication number Publication date
JP2004285478A (ja) 2004-10-14
ATA4612003A (de) 2003-12-15
ES2295811T3 (es) 2008-04-16
ZA200402278B (en) 2004-09-28
DE502004005234D1 (de) 2007-11-29
KR20040084677A (ko) 2004-10-06
BRPI0400753B1 (pt) 2013-07-23
CA2461857C (en) 2011-06-28
MXPA04002738A (es) 2005-04-25
RU2004108665A (ru) 2005-09-10
PL202448B1 (pl) 2009-06-30
CA2461857A1 (en) 2004-09-24
PL366506A1 (en) 2004-10-04
US7252798B2 (en) 2007-08-07
EP1462529A1 (de) 2004-09-29
JP4504057B2 (ja) 2010-07-14
TWI316552B (en) 2009-11-01
RU2343213C2 (ru) 2009-01-10
ATE376071T1 (de) 2007-11-15
BRPI0400753A (pt) 2005-01-11
KR101016527B1 (ko) 2011-02-24
TW200510549A (en) 2005-03-16
US20040217527A1 (en) 2004-11-04
AT411904B (de) 2004-07-26
UA81748C2 (uk) 2008-02-11

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