EP2776600B8 - Process and apparatus for the hot-dip coating of a metal strip with a metallic coating - Google Patents

Process and apparatus for the hot-dip coating of a metal strip with a metallic coating Download PDF

Info

Publication number
EP2776600B8
EP2776600B8 EP12780134.8A EP12780134A EP2776600B8 EP 2776600 B8 EP2776600 B8 EP 2776600B8 EP 12780134 A EP12780134 A EP 12780134A EP 2776600 B8 EP2776600 B8 EP 2776600B8
Authority
EP
European Patent Office
Prior art keywords
coating
hot
metal strip
dip coating
metallic
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
EP12780134.8A
Other languages
German (de)
French (fr)
Other versions
EP2776600B1 (en
EP2776600A1 (en
Inventor
Christopher Gusek
Jörg SCHULTE
Marc Blumenau
Fred Jindra
Dirk Czupryna
Rudolf Schönenberg
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.)
ThyssenKrupp Steel Europe AG
Original Assignee
ThyssenKrupp Steel Europe 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 ThyssenKrupp Steel Europe AG filed Critical ThyssenKrupp Steel Europe AG
Publication of EP2776600A1 publication Critical patent/EP2776600A1/en
Publication of EP2776600B1 publication Critical patent/EP2776600B1/en
Application granted granted Critical
Publication of EP2776600B8 publication Critical patent/EP2776600B8/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/50—Controlling or regulating the coating processes
    • C23C2/54—Controlling or regulating the coating processes of the mixing or stirring the bath
    • C23C2/544—Controlling or regulating the coating processes of the mixing or stirring the bath using moving mixing devices separate from the substrate, e.g. an impeller of blade
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/06—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with a blast of gas or vapour
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • C23C2/00344—Means for moving substrates, e.g. immersed rollers or immersed bearings
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C23C2/20—Strips; Plates
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/22—Removing excess of molten coatings; Controlling or regulating the coating thickness by rubbing, e.g. using knives, e.g. rubbing solids
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/325—Processes or devices for cleaning the bath
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/021—Apparatus for spreading or distributing liquids or other fluent materials already applied to the surface of an elongated body, e.g. a wire, a tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B05D7/142—Auto-deposited coatings, i.e. autophoretic coatings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)
EP12780134.8A 2011-11-11 2012-10-11 Process and apparatus for the hot-dip coating of a metal strip with a metallic coating Not-in-force EP2776600B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011118197A DE102011118197B3 (en) 2011-11-11 2011-11-11 A method and apparatus for hot dip coating a metal strip with a metallic coating
PCT/EP2012/070180 WO2013068196A1 (en) 2011-11-11 2012-10-11 Process and apparatus for the hot-dip coating of a metal strip with a metallic coating

Publications (3)

Publication Number Publication Date
EP2776600A1 EP2776600A1 (en) 2014-09-17
EP2776600B1 EP2776600B1 (en) 2018-08-29
EP2776600B8 true EP2776600B8 (en) 2018-10-17

Family

ID=47115811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12780134.8A Not-in-force EP2776600B8 (en) 2011-11-11 2012-10-11 Process and apparatus for the hot-dip coating of a metal strip with a metallic coating

Country Status (8)

Country Link
US (1) US10011897B2 (en)
EP (1) EP2776600B8 (en)
JP (1) JP6231485B2 (en)
KR (1) KR101979399B1 (en)
CN (1) CN103998641B (en)
DE (1) DE102011118197B3 (en)
ES (1) ES2697673T3 (en)
WO (1) WO2013068196A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9863029B2 (en) * 2012-08-01 2018-01-09 Dongkuk Steel Mill Co., Ltd. Apparatus for forming nitrogen cloud to produce hot dip coated steel sheet
DE102015211489B3 (en) 2015-06-22 2016-06-30 Thyssenkrupp Ag Roller for deflecting or guiding a metal strip to be coated in a metallic melt bath
KR101673546B1 (en) * 2015-10-02 2016-11-07 주식회사 포스코 Apparatus for deleting top dross of plating pot and Method for recycling the top dross
CN105349930B (en) * 2015-11-26 2018-03-27 中冶赛迪工程技术股份有限公司 One kind plating coating control method and its application
US11384419B2 (en) * 2019-08-30 2022-07-12 Micromaierials Llc Apparatus and methods for depositing molten metal onto a foil substrate
CN110565037A (en) * 2019-10-19 2019-12-13 广西凯威铁塔有限公司 production method of hot-dip galvanized workpiece with uniform surface lines

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US3667425A (en) * 1971-03-01 1972-06-06 Inland Steel Co Apparatus for controlling coating thickness
JPS5738362Y2 (en) * 1978-10-04 1982-08-24
JPH02156054A (en) * 1988-12-08 1990-06-15 Sumitomo Metal Ind Ltd Method for preventing dross penetration to hot dip coated steel sheet
FR2654749B1 (en) 1989-11-21 1994-03-25 Sollac PROCESS AND DEVICE FOR PURIFYING A HOT-TIME LIQUID METAL BATH FROM A STEEL STRIP.
DE4300868C1 (en) 1993-01-15 1994-03-17 Duma Masch Anlagenbau Coating device
DE4223343C1 (en) 1992-07-16 1994-03-17 Duma Masch Anlagenbau Blow off device
JPH06256923A (en) * 1993-03-08 1994-09-13 Kobe Steel Ltd Gas wiping method and its device for hot dip plating line
JP2895725B2 (en) * 1993-11-25 1999-05-24 川崎製鉄株式会社 Hot-dip dross removal method
JPH0860327A (en) * 1994-08-16 1996-03-05 Nippon Steel Corp Manufacture of galvannealed steel sheet
US5683650A (en) * 1995-06-12 1997-11-04 Morando; Jorge A. Bubble apparatus for removing and diluting dross in a steel treating bath
JPH09228016A (en) * 1996-02-23 1997-09-02 Kawasaki Steel Corp Method for plating molten metal and device therefor
JPH10158796A (en) * 1996-11-26 1998-06-16 Nippon Steel Corp Device for preventing adhesion of foreign matter on bath surface within snout to strip
JP3437731B2 (en) * 1996-11-27 2003-08-18 新日本製鐵株式会社 Apparatus for preventing foreign matter generated in snout from adhering to steel sheet in hot dip plating
US6177140B1 (en) 1998-01-29 2001-01-23 Ispat Inland, Inc. Method for galvanizing and galvannealing employing a bath of zinc and aluminum
JPH11279730A (en) * 1998-03-27 1999-10-12 Nisshin Steel Co Ltd Hot dip galvanizing method restraining oxidation of zinc
JP4122711B2 (en) 1998-04-01 2008-07-23 Ｊｆｅスチール株式会社 Hot-dip galvanizing method and apparatus therefor
JP3718489B2 (en) * 2002-07-25 2005-11-24 新日本製鐵株式会社 Apparatus and method for removing dross in snout in molten metal plating
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Also Published As

Publication number Publication date
ES2697673T3 (en) 2019-01-25
CN103998641B (en) 2017-05-24
EP2776600B1 (en) 2018-08-29
US10011897B2 (en) 2018-07-03
JP6231485B2 (en) 2017-11-15
US20150140225A1 (en) 2015-05-21
EP2776600A1 (en) 2014-09-17
JP2014532814A (en) 2014-12-08
DE102011118197B3 (en) 2013-05-08
KR20140101764A (en) 2014-08-20
CN103998641A (en) 2014-08-20
WO2013068196A1 (en) 2013-05-16
KR101979399B1 (en) 2019-05-16

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