EP1954418B1 - Procede et dispositif pour nettoyer ou decalaminer des brames fines et des feuillards dans des trains a feuillards a chaud, des installations de traitement de feuillards ou d'autres installations similaires - Google Patents

Procede et dispositif pour nettoyer ou decalaminer des brames fines et des feuillards dans des trains a feuillards a chaud, des installations de traitement de feuillards ou d'autres installations similaires Download PDF

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Publication number
EP1954418B1
EP1954418B1 EP06818606A EP06818606A EP1954418B1 EP 1954418 B1 EP1954418 B1 EP 1954418B1 EP 06818606 A EP06818606 A EP 06818606A EP 06818606 A EP06818606 A EP 06818606A EP 1954418 B1 EP1954418 B1 EP 1954418B1
Authority
EP
European Patent Office
Prior art keywords
strips
strip
descaling
thin slabs
cryogens
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.)
Not-in-force
Application number
EP06818606A
Other languages
German (de)
English (en)
Other versions
EP1954418A1 (fr
Inventor
Hans-Peter Richter
Heinrich Röse
Stephan Krämer
Walter Timmerbeul
Heinz Dieter Gabriel
Jürgen Seidel
Andreas Gramer
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.)
SMS Siemag AG
Original Assignee
SMS Siemag AG
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 SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP1954418A1 publication Critical patent/EP1954418A1/fr
Application granted granted Critical
Publication of EP1954418B1 publication Critical patent/EP1954418B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0021—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by liquid gases or supercritical fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0269—Cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0269—Cleaning
    • B21B45/0275—Cleaning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • 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
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0269—Cleaning
    • B21B45/0272—Cleaning compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0269—Cleaning
    • B21B45/0275—Cleaning devices
    • B21B45/0287—Cleaning devices removing solid particles, e.g. dust, rust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically

Definitions

  • the invention relates to a method for cleaning or descaling of thin slabs and strips in hot strip mills, strip processing plants or the like and to an apparatus for carrying out the method.
  • the slab or strip is subject to continuous scaling during transport through the kiln and rolling train.
  • This scale is usually removed with the help of scale scrubbers before a rolling is performed.
  • water is injected at high pressure (about 200 ... 380 bar) onto the warm surface.
  • high pressure about 200 ... 380 bar
  • this cooling effect has a particularly disturbing effect due to the low transport speeds.
  • the scale In the case of strip processing plants, the scale is generally removed with the aid of pickling lines before a rolling is carried out. In this case, the band is pulled through a warm acid bath (hydrochloric acid, sulfuric acid, mixed acids, etc.). Due to the chemical reactions, the desired cleaning process occurs. However, this process is expensive and not necessarily environmentally friendly because of the acid bath used.
  • a warm acid bath hydrochloric acid, sulfuric acid, mixed acids, etc.
  • the publication US 5,758,530 discloses a rolling line with at least one pair of opposed rollers between which a material to be rolled is reduced in thickness.
  • Descaling devices are provided above and / or below the metal strip, each of the descaling devices comprising spray nozzles for a liquid, for a gas or for plasma.
  • the spray nozzles are each formed as a pair of nozzles, wherein a first spray nozzle of the pair is arranged so that it sprays the spray medium at an acute angle in the transport direction of the tape on the surface and wherein a second nozzle of the pair is arranged so that it under the spray medium sprays an acute angle in the transport direction of the tape.
  • the two nozzles are also arranged so that the two of them rising spray meet together.
  • the publication DE 101 60 902 A1 discloses an apparatus for the cleaning of objects by means of a high-pressure jet of a cryogenic liquid gas. It contains a storage tank for the cryogenic liquid gas, a high-pressure pump and at least one cleaning nozzle.
  • the international patent application WO 01/32335 A1 discloses a method for producing a steel strand on a continuous casting plant. According to the method, the steel strand is first passed through a device having an atmosphere led, which prevents oxidation of the surface of the steel strand and consequently the formation of scale. Subsequently, the steel strand is rolled and descaled. Finally, the rolled and descaled strand or the rolled and descaled strip are wound on a coiler into a coil.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Metal Rolling (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (2)

  1. Procédé pour le décalaminage de brames minces dans un laminoir à bandes à chaud ou de bandes dans une installation de traitement de bandes par pulvérisation d'un gaz liquide sur les surfaces à décalaminer des brames minces ou des bandes, caractérisé
    en ce qu'il s'agit, pour le gaz liquide, très froid, d'un composé de cryogènes avec un milieu support tel que l'air comprimé et en ce que le cryogène volatilisé est aspiré, le cas échéant ensemble avec le milieu support et les particules de calamine, des brames minces ou des bandes.
  2. Dispositif pour la réalisation du procédé selon la revendication 1, comprenant une ou plusieurs rampes de pulvérisation au-dessus ou au-dessous des brames minces ou des bandes pour la pulvérisation du gaz liquide sur la face supérieure ou inférieure des brames minces ou des bandes, caractérisé
    en ce qu'il s'agit pour le gaz liquide d'un composé de cryogènes avec un milieu support tel que l'air comprimé ; et
    en ce que les rampes de pulvérisation sont entourées d'un capot de protection avec une aspiration pour aspirer le gaz et les particules de calamine.
EP06818606A 2005-12-01 2006-11-17 Procede et dispositif pour nettoyer ou decalaminer des brames fines et des feuillards dans des trains a feuillards a chaud, des installations de traitement de feuillards ou d'autres installations similaires Not-in-force EP1954418B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005057679 2005-12-01
DE102006019544A DE102006019544A1 (de) 2005-12-01 2006-04-27 Verfahren und Vorrichtung zur Entzunderung von Dünnbrammen und Bändern in Warmbandstraßen, Bandbehandlungsanlagen oder dergleichen
PCT/EP2006/011021 WO2007062749A1 (fr) 2005-12-01 2006-11-17 Procede et dispositif pour nettoyer ou decalaminer des brames fines et des feuillards dans des trains a feuillards a chaud, des installations de traitement de feuillards ou d'autres installations similaires

Publications (2)

Publication Number Publication Date
EP1954418A1 EP1954418A1 (fr) 2008-08-13
EP1954418B1 true EP1954418B1 (fr) 2011-01-12

Family

ID=37546797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06818606A Not-in-force EP1954418B1 (fr) 2005-12-01 2006-11-17 Procede et dispositif pour nettoyer ou decalaminer des brames fines et des feuillards dans des trains a feuillards a chaud, des installations de traitement de feuillards ou d'autres installations similaires

Country Status (10)

Country Link
US (1) US20090014037A1 (fr)
EP (1) EP1954418B1 (fr)
JP (1) JP2009511277A (fr)
CN (1) CN101253012B (fr)
AT (1) ATE494969T1 (fr)
BR (1) BRPI0619123A2 (fr)
CA (1) CA2626426A1 (fr)
DE (2) DE102006019544A1 (fr)
RU (1) RU2388559C2 (fr)
WO (1) WO2007062749A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100132747A1 (en) * 2008-12-01 2010-06-03 Ken Smith Thermal De-Scaling Surfaces With Cryogenic Liquids And Gases
DE102009035161A1 (de) 2009-07-29 2011-02-10 Sms Siemag Ag Verfahren und Vorrichtung zur Entzunderung oder Reinigung von metallischen Oberflächen, unter anderem Bänder (oder Brammen) im Durchlauf
EP2489446A1 (fr) 2011-02-17 2012-08-22 Linde Aktiengesellschaft En-tête de buse
CN103433310B (zh) * 2013-09-18 2015-07-15 河南理工大学 一种热轧金属的除鳞方法
CN103481201A (zh) * 2013-10-16 2014-01-01 山西太钢不锈钢股份有限公司 金属板带表面连续除鳞的装置与方法
DE102014101159B4 (de) 2014-01-30 2016-12-01 Thyssenkrupp Steel Europe Ag Verfahren zur Oberflächenbehandlung von Werkstücken
DE102014214027A1 (de) * 2014-07-18 2016-02-18 Bayerische Motoren Werke Aktiengesellschaft Formwerkzeug zur Herstellung von warmumgeformten Bauteilen
CN107188291B (zh) * 2017-06-05 2020-08-04 华中师范大学 一种液氮低温处理商业铁粉增强其还原去除污染物能力的方法
IT201700118889A1 (it) * 2017-10-20 2019-04-20 Luca Patauner Utilizzo dell'ossigeno liquido per la preparazione di superfici ad uso dei trattamenti di finitura superficiale
GB201808639D0 (en) 2018-05-25 2018-07-11 Additive Manufacturing Tech Ltd Additive manufacturing
DE102020201560A1 (de) 2020-02-07 2021-08-12 Thyssenkrupp Steel Europe Ag Verfahren zur Unterdrückung von Zunderbildung auf der Oberfläche eines metallischen Walzgutes
CN116833252B (zh) * 2023-09-01 2023-11-17 太原科技大学 一种适用于金属极薄带材生产的除渣润滑一体机

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Publication number Priority date Publication date Assignee Title
US4491484A (en) * 1981-11-24 1985-01-01 Mobile Companies, Inc. Cryogenic cleaning process
US4806171A (en) * 1987-04-22 1989-02-21 The Boc Group, Inc. Apparatus and method for removing minute particles from a substrate
US5395454A (en) * 1993-12-09 1995-03-07 Liquid Air Corporation Method of cleaning elongated objects
DE69524045T2 (de) * 1994-07-18 2002-04-18 Kawasaki Steel Corp., Kobe Verfahren und vorrichtung zum reinigen von stahlblech
US5579209A (en) * 1994-10-19 1996-11-26 Whirlpool Corporation Remote control housing with functional attributes for a room air conditioner
US5616067A (en) * 1996-01-16 1997-04-01 Ford Motor Company CO2 nozzle and method for cleaning pressure-sensitive surfaces
CN1087665C (zh) * 1996-03-04 2002-07-17 三菱重工业株式会社 热轧设备
CN2267106Y (zh) * 1996-04-23 1997-11-12 鞍山钢铁集团公司 引射抽吸冷轧带钢表面乳化液装置
AUPQ385099A0 (en) * 1999-11-03 1999-11-25 Bhp Steel (Jla) Pty Limited Production of thin steel strip
DE19953230C2 (de) * 1999-11-04 2003-08-28 C D Waelzholz Produktionsgmbh Kaltwalzverfahren
US6675622B2 (en) * 2001-05-01 2004-01-13 Air Products And Chemicals, Inc. Process and roll stand for cold rolling of a metal strip
DE10160902A1 (de) * 2001-12-12 2003-07-03 Messer Griesheim Gmbh Reinigen von Objekten mit Flüssiggas
DE10332693A1 (de) * 2003-07-18 2005-02-10 Sms Demag Ag Verfahren und Vorrichtung zum Entzundern und/oder reinigen eines Metallstranges
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Also Published As

Publication number Publication date
BRPI0619123A2 (pt) 2011-09-13
CN101253012B (zh) 2010-12-29
ATE494969T1 (de) 2011-01-15
RU2008111501A (ru) 2009-10-10
CN101253012A (zh) 2008-08-27
US20090014037A1 (en) 2009-01-15
JP2009511277A (ja) 2009-03-19
DE102006019544A1 (de) 2007-06-06
WO2007062749A1 (fr) 2007-06-07
EP1954418A1 (fr) 2008-08-13
DE502006008740D1 (de) 2011-02-24
CA2626426A1 (fr) 2007-06-07
RU2388559C2 (ru) 2010-05-10

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