EP1520051B1 - Vorrichtung zum kühlen und oder spülen von stahldrähten oder bändern - Google Patents

Vorrichtung zum kühlen und oder spülen von stahldrähten oder bändern Download PDF

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Publication number
EP1520051B1
EP1520051B1 EP03756922A EP03756922A EP1520051B1 EP 1520051 B1 EP1520051 B1 EP 1520051B1 EP 03756922 A EP03756922 A EP 03756922A EP 03756922 A EP03756922 A EP 03756922A EP 1520051 B1 EP1520051 B1 EP 1520051B1
Authority
EP
European Patent Office
Prior art keywords
liquid
curtains
ribbon
cooling
rinsing
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
EP03756922A
Other languages
English (en)
French (fr)
Other versions
EP1520051A1 (de
Inventor
Jacques Bauden
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.)
FIB BELGIUM SA
Original Assignee
FIB BELGIUM SA
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Filing date
Publication date
Application filed by FIB BELGIUM SA filed Critical FIB BELGIUM SA
Publication of EP1520051A1 publication Critical patent/EP1520051A1/de
Application granted granted Critical
Publication of EP1520051B1 publication Critical patent/EP1520051B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material
    • C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
    • 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
    • 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
    • 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
    • C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods

Definitions

  • the present invention relates to a device for cooling and / or rinsing at least one steel wire and / or ribbon.
  • Wire cooling baths for quenching steel wires have long been known to obtain a transformation thereof.
  • Methods using aqueous baths are also known. During immersion in such a non-turbulent, laminar flow water bath, a film of vapor is formed around the wires to be cooled, which slows down the cooling (e.g. EP-A-0216434 ).
  • the present invention aims to develop a simple and inexpensive device that overcomes the aforementioned drawbacks.
  • This device offers the advantage that the contact between the coolant and the wire or ribbon is direct, without the possibility of forming a vapor film around the wire or ribbon, film where the heat exchange is significantly less favorable.
  • the coolant does not have time to form a film of vapor around the yarn and the exchange Thermal liquid-steel wire remains excellent.
  • the method offers the advantage of being able to stop the cooling at any desired temperature by a simple determination of the number of curtains required. This is particularly important in the case of steel wire patenting, where it is necessary to avoid too fast quenching which gives rise to the appearance of martensite in the steel, which is to be avoided in most cases.
  • the coolant is sprayed under pressure at the way of a continuous geyser and therefore very turbulent.
  • the upwardly turbulent flow curtains have an apex and, from said vertex and at least on one side of each upwardly turbulent flow curtain, a turbulent flow liquid drop through which at least one thread passes further. and / or steel ribbon.
  • the wire can therefore pass through three successive streams of turbulent flow liquid one ascending and the other two downstream, which makes it very efficient cooling or rinsing that follows.
  • the projection means of the device comprise means for feeding pressurized gas bubbles into a lower part of the tank and forced guiding means, towards said outlets, bubbles which cause the liquid to rise upwards. in the form of liquid curtains with upward turbulent flow.
  • An inert gas will preferably be used with respect to the steel, and in particular air.
  • the pressurized air bubbles entrain the cooling liquid and at the same time make the flow turbulent, which favors the desired direct heat exchange.
  • the upward projection by air bubbles does not require an expensive energy expenditure and it avoids any pumping system coolant.
  • the coolant and / or rinsing liquid can be any suitable liquid, water, lead, liquid salt, polymer, oil, and especially water, because all the disadvantages encountered by the use of water in the prior art can be overcome by the method according to the invention.
  • the device is therefore in the form of a simple device and easy to control and adjust and it allows to consume only non-polluting and inexpensive materials, ie compressed air and cooling water.
  • the figure 1 is a longitudinal sectional view of a device for cooling and / or rinsing son and / or steel ribbons according to the invention.
  • the figure 2 represents a plan view from above of the figure 1 .
  • Running drive means running are schematically represented by the references 23 and 24.
  • the water can be supplied by an inlet 5 and be evacuated from above by an overflow 6.
  • the height of the water column is equal to about 750mm H 2 O (7350 Pa).
  • the overflow 6 may be in communication with a lower inlet 5 ', through a not shown heat exchanger, so as to put the cooling water in circulation.
  • the tank also comprises means for projecting rising water curtains.
  • projection means include air supply ducts 7 to 9 disposed at the bottom of the tank parallel to one another and transversely to the direction of travel of the son and / or ribbons.
  • Each of these ducts is connected, through corresponding openings in the tank and through connectors 10 to 12, to a distributor duct 13 supplied with pressurized air by a fan 14.
  • a shut-off valve 22 On each connection 10 to 12 is provided a shut-off valve 22 which makes it possible to adjust the pressurized air supply of the ducts 7 to 9 and to put them in or out of service as needed.
  • the air supply ducts 7 to 9 are perforated and thus feed into the water of the tank, air bubbles under pressure.
  • two guide plates 15 and 16 are supported by the longitudinal walls 38 and 39 of the vessel so as to pass therethrough from one side to the other.
  • the guide plates are spaced apart and thus form a thin exit slot.
  • the guide plates 15 and 16 have a spacing substantially greater than that presented at their top. The guide plates thus form a kind of roof between the two sides of which the bubbles are forced upwardly.
  • the air bubbles entrain the water of the tank during their ascent and expel a curtain of turbulent water 17 upwards. At the top of the water curtain, it can split in two and form two turbulent waterfalls 18 and 19 that the wire to be cooled must also cross.
  • the pairs of guide plates 15, 16 can be arranged sufficiently tightly in their succession so that the waterfalls of two adjacent curtains can cross. Of in this way, the thread runs continuously in water, and yet there is never any possibility of forming a film of water vapor around the wire.
  • lid 20 which closes the tank upwards and which has deflectors 21 to orient the direction of the waterfalls 18 and 19.
  • TTT curves transformation, temperature, time
  • the wires are in front of the nose of the S-shaped curves, that is to say at a temperature corresponding to the minimum incubation time, to pass through these curves, which makes it possible to avoid disturbances that could influence the structure of the steel.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Claims (6)

  1. Vorrichtung zum Kühlen und/oder Spülen von mindestens einem Stahldraht und/oder mindestens einem Stahlband, die Folgendes umfasst:
    - Antriebsmittel (23, 24) zum Bewegen mindestens eines Stahldrahts und/oder mindestens eines Stahlbands (3),
    dadurch gekennzeichnet, dass die Vorrichtung außerdem Folgendes umfasst:
    - einen Tank (1), der eine Kühl- und/oder Spülflüssigkeit enthält und unter dem mindestens einen bewegten Stahldraht und/oder dem mindestens einen bewegten Stahlband (3) angeordnet ist, wobei dieser Tank mit Auslässen versehen ist, aus denen eine bestimmte Anzahl aufeinander folgender Flüssigkeitsvorhänge (17) turbulent fließt, durch die der mindestens eine Stahldraht und/oder das mindestens eine Stahlband bewegt wird,
    - Mittel zum Ausstoßen (7 - 9, 13, 16) der oben genannten Flüssigkeitsvorhänge aus den Auslässen des Tanks als ein aufsteigender turbulenter Fluss, wobei diese Ausstoßmittel Mittel zum Zuleiten von unter Druck stehenden Gasblasen in einen unteren Teil des Tanks (1) und Mittel zum erzwungenen Leiten (15, 16) von Blasen, die die Flüssigkeit in Form von aufsteigend turbulent fließenden Flüssigkeitsvorhängen nach oben treiben, in Richtung der Auslässe, und
    - Mittel zum Einstellen (22) der Anzahl der aufeinander folgenden Vorhänge, die von dem mindestens einen Stahldraht und/oder mindestens einen Stahlband durchquert werden, in Abhängigkeit von der zu erzielenden Kühlung und/oder Spülung.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Mittel zum Ausstoßen von Flüssigkeitsvorhängen derart angeordnet sind, dass in Richtung mindestens einer Seite jedes Vorhangs nach dessen Aufstieg ein Flüssigkeitsfall (18, 19) vorliegt, der von dem mindestens einen bewegten Stahldraht und/oder mindestens einen bewegten Stahlband durchquert wird.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Mittel zum Ausstoßen von Flüssigkeitsvorhängen derart zueinander angeordnet sind, dass die Fälle, die von mindestens zwei benachbarten Vorhängen stammen, sich überschneiden.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass sie außerdem über dem mindestens einen bewegten Stahldraht und/oder dem mindestens einen bewegten Stahlband Umlenkmittel (20, 21) umfasst, die den aufsteigenden turbulenten Fluss der oben genannten Flüssigkeitsvorhänge derart in Richtung mindestens einer Seite jedes Vorhangs umlenken, dass von dort aus mindestens ein turbulent fließender Flüssigkeitsfall gebildet wird, durch den der mindestens eine Stahldraht und/oder das mindestens eine Stahlband bewegt wird.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Mittel zum erzwungenen Leiten aus zwei Platten (15, 16) bestehen, die durch den Tank (1) hindurch derart gehalten werden, dass zwischen ihnen an einem oberen Ende, das sich über dem Pegel der Kühl- und/oder Spülflüssigkeit befindet, ein erster gleichförmiger, enger Zwischenraum gebildet wird, der senkrecht zu dem mindestens einen zu behandelnden Stahldraht und/oder dem mindestens einen zu behandelnden Stahlband angeordnet ist, und an einem zweiten unteren Ende, das sich in Richtung des Bodens des Tanks befindet, ein zweiter Zwischenraum, der größer als der erste ist, gebildet wird, wobei die Mittel zum Zuleiten (7 - 9, 13, 14) von Gasblasen diese zwischen den zwei Platten (15, 16) in Richtung des unteren Endes dieser führen.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass jedes Mittel zum Ausstoßen eines Kühl- und/oder Spülflüssigkeitsvorhangs ein eigenes Mittel zum Zuleiten (7 - 9) von Gasblasen umfasst und dass die Vorrichtung als Einstellungsmittel Mittel (22) umfasst, die je nach Bedarf das Öffnen oder Schließen des Mittels zum Zuleiten von Gasblasen jedes Ausstoßmittels ermöglicht.
EP03756922A 2002-06-06 2003-06-05 Vorrichtung zum kühlen und oder spülen von stahldrähten oder bändern Expired - Lifetime EP1520051B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE2002/0373A BE1014869A3 (fr) 2002-06-06 2002-06-06 Dispositif de refroidissement et/ou de rincage de fils et/ou
BE200200373 2002-06-06
PCT/BE2003/000101 WO2003104500A1 (fr) 2002-06-06 2003-06-05 Dispositif de refroidissement et/ou de rinçage de fils et/ou rubans en acier

Publications (2)

Publication Number Publication Date
EP1520051A1 EP1520051A1 (de) 2005-04-06
EP1520051B1 true EP1520051B1 (de) 2011-02-23

Family

ID=29721152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03756922A Expired - Lifetime EP1520051B1 (de) 2002-06-06 2003-06-05 Vorrichtung zum kühlen und oder spülen von stahldrähten oder bändern

Country Status (11)

Country Link
US (1) US7404923B2 (de)
EP (1) EP1520051B1 (de)
JP (1) JP4471833B2 (de)
CN (1) CN100370037C (de)
AT (1) ATE499454T1 (de)
AU (1) AU2003249792A1 (de)
BE (1) BE1014869A3 (de)
CA (1) CA2488229C (de)
DE (1) DE60336137D1 (de)
ES (1) ES2358037T3 (de)
WO (1) WO2003104500A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1015255A3 (fr) * 2002-12-18 2004-12-07 Four Industriel Belge Procede et dispositif de decapage de fils et/ou rubans metalliques.
JP5593918B2 (ja) * 2010-07-26 2014-09-24 新日鐵住金株式会社 スケールの回収方法およびそれを用いた鋼材の熱処理炉
LT3834913T (lt) * 2015-06-02 2024-06-10 Pacific Green Technologies Inc. Kelių lygių dujų valymo aparatas su daugybe panardintų valymo galvučių
KR20190107015A (ko) * 2017-01-12 2019-09-18 엔브이 베카에르트 에스에이 강선의 제어된 패턴팅을 위한 방법 및 장치
LU100329B1 (fr) * 2017-06-28 2019-01-08 Arcelormittal Bissen & Bettembourg Dispositif de refroidissement de fils galvanisés
CN108435822A (zh) * 2018-03-30 2018-08-24 马鞍山法尔盛科技有限公司 一种炉前钢丝表面清理装置及清理工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR832391A (fr) 1937-05-27 1938-09-26 & Commerciale Des Aciers Soc I Fils métalliques de frettage
US3734109A (en) * 1971-03-08 1973-05-22 P Hebner Spray cleaning system
US3997376A (en) * 1974-06-19 1976-12-14 Midland-Ross Corporation Spray mist cooling method
US4270317A (en) * 1978-10-10 1981-06-02 Midland-Ross Corporation Apparatus used in the treatment of a continuous strip of metal and method of use thereof
JPS6070126A (ja) * 1983-09-27 1985-04-20 Nippon Kokan Kk <Nkk> 金属板の下面冷却装置
GB8523882D0 (en) 1985-09-27 1985-10-30 Bekaert Sa Nv Treatment of steel wires
DE4033867C2 (de) * 1990-10-22 1993-11-11 Mannesmann Ag Verfahren zum Beizen von Bändern
ZA924360B (en) 1991-07-22 1993-03-31 Bekaert Sa Nv Heat treatment of steel wire
WO1997044498A1 (fr) * 1996-05-23 1997-11-27 Nippon Steel Corporation Systeme de refroidissement uniforme sur la largeur pour bande d'acier dans une phase continue de traitement thermique
IT1302912B1 (it) * 1998-12-10 2000-10-10 Ct Sviluppo Materiali Spa Procedimento accelerato per il decapaggio di nastri d'acciaio edispositivo per realizzarlo.

Also Published As

Publication number Publication date
US7404923B2 (en) 2008-07-29
ES2358037T3 (es) 2011-05-05
AU2003249792A1 (en) 2003-12-22
WO2003104500A1 (fr) 2003-12-18
CA2488229A1 (fr) 2003-12-18
EP1520051A1 (de) 2005-04-06
ATE499454T1 (de) 2011-03-15
CA2488229C (fr) 2011-01-25
BE1014869A3 (fr) 2004-05-04
DE60336137D1 (de) 2011-04-07
CN1659291A (zh) 2005-08-24
CN100370037C (zh) 2008-02-20
JP2005529234A (ja) 2005-09-29
JP4471833B2 (ja) 2010-06-02
US20050173848A1 (en) 2005-08-11

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