KR860001211A - 아연증기의 형성을 억제하는 방법 - Google Patents

아연증기의 형성을 억제하는 방법 Download PDF

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Publication number
KR860001211A
KR860001211A KR1019850005449A KR850005449A KR860001211A KR 860001211 A KR860001211 A KR 860001211A KR 1019850005449 A KR1019850005449 A KR 1019850005449A KR 850005449 A KR850005449 A KR 850005449A KR 860001211 A KR860001211 A KR 860001211A
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South Korea
Prior art keywords
atmosphere
hydrogen
zinc
inlet snout
vapor
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KR1019850005449A
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English (en)
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KR920010301B1 (ko
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엘 보스턴 스티븐 (외 2)
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로버어트 다블류 켄트
암코 인코포레이팃드
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Application filed by 로버어트 다블류 켄트, 암코 인코포레이팃드 filed Critical 로버어트 다블류 켄트
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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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • 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
    • 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
    • C23C2/003—Apparatus
    • C23C2/0035—Means for continuously moving substrate through, into or out of the bath
    • 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
    • C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
    • C23C2/004—Snouts
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments

Abstract

내용 없음

Description

아연증기의 형성을 억제하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 한면 또는 양면 아연도금방법의 도시화된 단면도.
제2도는 한면 아연도금방법의 도식화된 단면도.
제3도는 한면 아년도금방법의 다른 도식화된 단면도이다.
도면의 주요부분에 대한 부호의 설명
1:세라스 아연도금라인 2:예열로구간 3:가열로구간 4:냉각구간 5,15,25:입구스타우트 6,16,42:코우팅포트 7,17,27:용융아연기재금속 8:코우팅격실 9,19,29,46:철기재금속스트립 10,20,20(a),30,30(a),47,51,52:로울 11,33;입구 12,21,31,45,49:노즐 22:차폐장치

Claims (12)

  1. 스트립을 입구스나우트내에 넣는 연속적인 용융침지아연 또는 아연합금 코우팅 방법에서의 아연증기의 형성을 억제하는 방법에 있어서, 상기 아연증기는 산화시키지만 상기 철스트립은 산화시키지 않는 분위기를 상기 스나우트내에 유지하는 것을 특징으로 하는 아연증기의 형성을 억제하는 방법.
  2. 제1항에 있어서, 상기 입구스나우트내의 상기 분위기는 1-8Vol.% 수소, 300-4500ppm의 수증기, 나머지 불활성가스 또는 가스들로 구성하는 것을 특징으로 하는 방법.
  3. 제2항에 있어서, 상기 불활성가스는 질소임을 특징으로 하는 방법.
  4. 제1항 내지 제3항의 어느 한 항에 있어서, 상기 입구스나우트내의 상기 분위기가 최소 4:1의 수소/수증기의 용적비를 포함하는 것을 특징으로 하는 방법.
  5. 제1항에 있어서, 분위기를 유지하는 상기 단계가 습윤질소를 첨가하는 것을 포함하는 것을 특징으로하는 방법.
  6. 제1항에 있어서, 상기 입구스나우트내의 상기 분위기가 ≥264ppm H2O를 갖는 것을 특징으로 하는 방법.
  7. 제1항에 있어서, 상기 입구스나우트내의 상기 분위기가 ≤4360ppm H2O를 갖는 것을 특징으로 하는 방법.
  8. 제1항에 있어서, 상기 입구스나우트내의 상기 분위기가 1Vol.% 수소를 함유하는 것을 특징으로 하는 방법.
  9. 제1항에 있어서, 상기 입구스나우트내에 상기 분위기가 8Vol.% 수소를 함유하는 것을 특징으로 하는 방법.
  10. 제1항에 있어서, 상기 철기재금속스트립의 양면이 피복되는 것을 특징으로 하는 방법
  11. 제1항에 있어서, 상기 철기재금속스트립의 한면만 피복되는 것을 특징으로 하는 방법
  12. 제1항에 있어서, 상기 입구스나우트내의 상기 분위기가 6:1의수소/수증기 비를 함유하는 것을 특징으로 하는 방법
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850005449A 1984-07-30 1985-07-29 아연증기의 형성을 억제하는 방법 KR920010301B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US635,513 1984-07-30
US06/635,513 US4557953A (en) 1984-07-30 1984-07-30 Process for controlling snout zinc vapor in a hot dip zinc based coating on a ferrous base metal strip

Publications (2)

Publication Number Publication Date
KR860001211A true KR860001211A (ko) 1986-02-24
KR920010301B1 KR920010301B1 (ko) 1992-11-26

Family

ID=24548099

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Application Number Title Priority Date Filing Date
KR1019850005449A KR920010301B1 (ko) 1984-07-30 1985-07-29 아연증기의 형성을 억제하는 방법

Country Status (11)

Country Link
US (1) US4557953A (ko)
EP (1) EP0172681B2 (ko)
JP (1) JPS6141754A (ko)
KR (1) KR920010301B1 (ko)
AT (1) ATE34412T1 (ko)
AU (1) AU586635B2 (ko)
BR (1) BR8503602A (ko)
CA (1) CA1263930A (ko)
DE (1) DE3562783D1 (ko)
ES (1) ES8607419A1 (ko)
FI (1) FI79350C (ko)

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KR100399226B1 (ko) * 1999-09-20 2003-09-22 주식회사 포스코 용융금속 도금설비의 스나우트내 금속분진 생성 억제방법

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Also Published As

Publication number Publication date
AU586635B2 (en) 1989-07-20
FI852937A0 (fi) 1985-07-29
DE3562783D1 (en) 1988-06-23
EP0172681A1 (en) 1986-02-26
ATE34412T1 (de) 1988-06-15
ES545710A0 (es) 1986-05-16
AU4535485A (en) 1986-02-06
US4557953A (en) 1985-12-10
FI852937L (fi) 1986-01-31
JPH0129866B2 (ko) 1989-06-14
EP0172681B1 (en) 1988-05-18
ES8607419A1 (es) 1986-05-16
FI79350C (fi) 1989-12-11
BR8503602A (ko) 1986-04-29
FI79350B (fi) 1989-08-31
CA1263930A (en) 1989-12-19
KR920010301B1 (ko) 1992-11-26
JPS6141754A (ja) 1986-02-28
EP0172681B2 (en) 1994-03-09

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