KR940021756A - Manufacturing method of evaporated plated steel sheet using air curtain - Google Patents

Manufacturing method of evaporated plated steel sheet using air curtain Download PDF

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Publication number
KR940021756A
KR940021756A KR1019930005442A KR930005442A KR940021756A KR 940021756 A KR940021756 A KR 940021756A KR 1019930005442 A KR1019930005442 A KR 1019930005442A KR 930005442 A KR930005442 A KR 930005442A KR 940021756 A KR940021756 A KR 940021756A
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KR
South Korea
Prior art keywords
air curtain
steel sheet
zone
manufacturing
gas
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KR1019930005442A
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Korean (ko)
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KR950007669B1 (en
Inventor
주승기
하서용
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송용호
동부제강 주식회사
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Priority to KR1019930005442A priority Critical patent/KR950007669B1/en
Publication of KR940021756A publication Critical patent/KR940021756A/en
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Publication of KR950007669B1 publication Critical patent/KR950007669B1/en

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    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/137—Spraying in vacuum or in an inert atmosphere
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/08—Metallic material containing only metal elements
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)

Abstract

아연(Zn), 알미늄(Al), 주석(Sn), 납(Pb)등의 원료금속을 강판등의 금속판에 증착도금하기 위한 제조방법에 있어서, 상기 금속판의 표면을 환원성 분위기가스로 유지한 전처리구역에서 표면처리 한 후, 상기 전처리구역과 이 이후의 증착도금구역을 완전히 차단하는 에어커튼(Air Curtain)을 이용하여 내부를 질소등의 불활성가스분위기로 유지하는 증착도금구역 내에서 상기 원료금속을 비등점 이상으로 가열하므로써 그 증기를 운반기체에 의하여 강판등의 금속판 표면에 노즐에 의하여 분사증착 되도록 하는 것을 특징으로 하는 에어커튼(Air Curtain)을 이용한 증착도금강판의 제조방법.In the manufacturing method for depositing and plating raw metal such as zinc (Zn), aluminum (Al), tin (Sn), lead (Pb) on a metal plate such as steel sheet, pretreatment in which the surface of the metal plate is maintained with a reducing atmosphere gas After the surface treatment in the zone, the raw metal is deposited in the deposition plating zone which maintains the inside with an inert gas atmosphere such as nitrogen by using an air curtain which completely blocks the pretreatment zone and the subsequent deposition plating zone. A method of manufacturing a plated-coated steel sheet using an air curtain (Air Curtain), characterized in that by spraying the vapor to the boiling point by the nozzle to the surface of the metal plate such as steel sheet by the carrier gas.

Description

에어커튼(Air Curtain)을 이용한 증착도금강판의 제조방법Manufacturing method of evaporated plated steel sheet using air curtain

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명상의 방법을 수행하기 위한 장치를 일실시예로 나타낸 것이다.2 shows, in one embodiment, an apparatus for carrying out the method of the invention.

제3도는 본 발명상의 에어커튼의 구조를 일실시예로 간단히 소개한 개략 구조설명도이다.3 is a schematic structural diagram briefly introducing the structure of an air curtain according to the present invention as an embodiment.

제5도는 상기 에어커튼내에 일정한 유량의 불활성기체를 유입(Purging)하였을때의 산소 농도변화(이 때의 에어커튼은 20 l/min으로 유지)5 is a change in oxygen concentration when purging a constant flow rate of inert gas into the air curtain (the air curtain is kept at 20 l / min at this time).

제8도는 본 발명상의 증착도금강판을 연속적으로 생산하기 위한 상압연속 증기분사도금제조장치를 일실예로 나타낸 일실시예로서의 연속 제조라인 배치도.8 is a continuous production line arrangement as an embodiment showing an atmospheric pressure continuous steam spray coating apparatus for continuously producing a plated steel sheet according to the present invention as an example.

Claims (4)

아연(Zn), 알미늄(Al), 주석(Sn), 납(Pb)등의 원료금속을 강판등의 금속판에 증착도금하기 위한 제조방법에 있어서, 상기 금속판의 표면을 환원성 분위기가스로 유지한 전처리구역에서 표면처리한 후, 상기 전처리구역과 이 이후의 증착도금구역을 완전히 차단하는 에어커튼(Air Curtain)을 이용하여 내부를 질소 등의 불활성가스분위기로 유지하는 증착도금구역 내에서 상기 원료금속을 비등점 이상으로 가열하므로써 그 증기를 운반기체에 의하여 강판등의 금속판 표면에 노즐에 의하여 분사증착되도록 하는 것을 특징으로 하는 에어커튼(Air Curtain)을 이용한 증착도금강판의 제조방법.In the manufacturing method for depositing and plating raw metal such as zinc (Zn), aluminum (Al), tin (Sn), lead (Pb) on a metal plate such as steel sheet, pretreatment in which the surface of the metal plate is maintained with a reducing atmosphere gas After the surface treatment in the zone, the raw metal is deposited in the deposition plating zone which maintains the inside with an inert gas atmosphere such as nitrogen by using an air curtain that completely blocks the pretreatment zone and the subsequent deposition plating zone. A method of manufacturing a plated-coated steel sheet using an air curtain (Air Curtain), characterized in that by spraying the vapor to the surface of the metal plate such as steel sheet by the carrier gas by heating above the boiling point. 제1항에 있어서, 상기 전처리구역내에서의 환원성가스분위기는 질소 : 수소와의 혼합비율을 1 : 1 내지 1 : 5 정도의 혼합가스로 만들어 강판을 표면처리하는 것을 특징으로 하는 에어커튼(Air Curtain)을 이용한 증착도금강판의 제조방법.The air curtain according to claim 1, wherein the reducing gas atmosphere in the pretreatment zone is made of a mixed gas having a mixing ratio of 1: 1 to 1: 5 with nitrogen to hydrogen to surface-treat the steel sheet. Method of manufacturing a plated steel sheet using a curtain). 제1항에 있어서, 상기 증착도금구역의 에어커튼에 의하여 공급되는 질소등의 불활성가스분위기하에 연속 증착도금되는 강판을 아연증착도금의 경우에는 운반기체에 의하여 노즐을 통해 아연증기를 분사할때 적어도 300℃ 내지 450℃ 정도로 강판을 미리 예열하여서 증착도금작업을 수행하는 것을 특징으로 하는 에어커튼(Air Curtain)을 이용한 증착도금강판의 제조방법.The method of claim 1, wherein in the case of zinc deposition plating, the steel sheet continuously deposited and plated under an inert gas atmosphere such as nitrogen supplied by the air curtain of the deposition plating zone is sprayed through the nozzle by a carrier gas. Method for manufacturing a deposited plated steel sheet using an air curtain (Air Curtain), characterized in that for performing a pre-heating of the steel sheet 300 ℃ to 450 ℃ in advance. 제1항에 있어서, 상기 질소등의 불활성기체는 상기 에어커튼을 통하여 증착도금장치로 유입될때 통상 10~15 l/min의 유량으로 퍼징(Purging)되어 상기 불활성가스에 의한 가스내의 산소차단막을 형성하므로써 증착도금내의 분위기를 분리시키며 아울러 셔터부에서 불활성기체를 1~3 l/min의 유량으로 증착구역 내에 유입시키도록 하므로써 가스내의 산소농도를 100ppm 이하로 억제할 수 있도록 한 것을 특징으로 하는 에어 커튼(Air Curtain)을 이용한 증착도금강판의 제조방법.The method of claim 1, wherein the inert gas such as nitrogen is purged at a flow rate of 10 to 15 l / min when flowing into the deposition plating apparatus through the air curtain to form an oxygen barrier film in the gas by the inert gas. Thus, the air curtain is characterized in that the atmosphere in the deposition plating is separated, and the inert gas is introduced into the deposition zone at a flow rate of 1 to 3 l / min at the shutter unit to suppress the oxygen concentration in the gas to 100 ppm or less. Method of manufacturing a plated steel sheet using (Air Curtain). ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is to be disclosed based on the initial application.
KR1019930005442A 1993-03-31 1993-03-31 Method for producing a deposite steel sheet to used air curtain KR950007669B1 (en)

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KR950007669B1 KR950007669B1 (en) 1995-07-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101535073B1 (en) * 2012-08-01 2015-07-10 동국제강주식회사 Production method for zn-al alloy coated steel sheet and its production device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101143857B1 (en) * 2011-11-21 2012-05-23 (주)세아특수강 Acid pickling apparatus to prevent noxious gas leakage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101535073B1 (en) * 2012-08-01 2015-07-10 동국제강주식회사 Production method for zn-al alloy coated steel sheet and its production device

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