KR960705646A - Continuous cast steel strip - Google Patents

Continuous cast steel strip

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Publication number
KR960705646A
KR960705646A KR1019960702480A KR19960702480A KR960705646A KR 960705646 A KR960705646 A KR 960705646A KR 1019960702480 A KR1019960702480 A KR 1019960702480A KR 19960702480 A KR19960702480 A KR 19960702480A KR 960705646 A KR960705646 A KR 960705646A
Authority
KR
South Korea
Prior art keywords
strip
coating
casting
nip
caster
Prior art date
Application number
KR1019960702480A
Other languages
Korean (ko)
Inventor
레스리 조오지 고어
마소우드 아셉 푸어-데즈풀리
Original Assignee
다카오 미코시바
이시카와지마-하리마 헤비 인더스트리즈 컴퍼니 리미티드
얀 윌리암 파
비에이치피 스틸(제이엘에이) 피티와이 리미티드
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 다카오 미코시바, 이시카와지마-하리마 헤비 인더스트리즈 컴퍼니 리미티드, 얀 윌리암 파, 비에이치피 스틸(제이엘에이) 피티와이 리미티드 filed Critical 다카오 미코시바
Publication of KR960705646A publication Critical patent/KR960705646A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12Accessories for subsequent treating or working cast stock in situ
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/06Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
    • B22D11/0622Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23DENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D17/00De-enamelling
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23DENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D5/00Coating with enamels or vitreous layers
    • C23D5/04Coating with enamels or vitreous layers by dry methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/463Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04Devices 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
    • B21B45/06Devices 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 of strip material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B9/00Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills

Abstract

본 발명은 연속 캐스팅에 의해 스틸 스트립을 제조하는 기술에 관한 것이다. 특히, 본 발명은 트윈 롤 캐스팅에 의한 스틸 스트립 제조 기술에 적용할 수 있는 것이지만, 예를 들어 단일 롤 캐스터 등 다른 연속 스트립 캐스팅 기술에 의한 제도에도 적용될 수 있다.The present invention relates to a technique for producing a steel strip by continuous casting. In particular, the invention is applicable to steel strip manufacturing techniques by twin roll casting, but may also be applied to drafting by other continuous strip casting techniques such as, for example, single roll casters.

연속적인 스트립 캐스터에서 용융된 스틸의 캐스팅 풀로부터 고화된 스트립 제품을 연속으로 캐스팅하고, 그 고화된 스트립 제품이 캐스트에서 배출되도록 (a) 산화 보호코팅이 도포되는 스트립의 온도에서 유동되는 산화 보호코팅재를 뜨거운 금속 스트립을 도포하고, (b) 코팅된 금속 스트립의 사이즈 및/혹은 형상을 변경하기 위하여 그 코팅된 금속 스트립을 가공하고, (c) 코팅된 금속이 고화되어 파쇄되도록 코팅의 냉각 동작을 수반한 코팅 제거처리 동작에 의해 코팅을 연속적으로 제거함으로써 고화된 스트립제품을 캐스터와 일치시키는 것을 특징으로 한다.In a continuous strip caster, an oxidation protective coating material which is continuously cast from the casting pool of molten steel and flows at the temperature of the strip to which the oxidation protective coating is applied so that the solidified strip product is discharged from the cast. Apply a hot metal strip, (b) process the coated metal strip to change the size and / or shape of the coated metal strip, and (c) perform a cooling operation of the coating to solidify and crush the coated metal strip. It is characterized in that the solidified strip product is matched with the caster by successive removal of the coating by the accompanying coating removal operation.

Description

연소 캐스트 스틸 스트립Combustion cast steel strip

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

제1도는 캐스팅 스틸 스트립용 트윈 롤 캐스터에서와 그들과 유사한 조건하에서 금속 샘플에 코팅을 도포하는 실험장치를 도시한 것이다, 제3도는 본 발명에 구성된 트윈 롤 캐스터 및 열간 압연기를 개략적으로 도시한 것이다, 제4도는 스트립 캐스터의 측면도이다.FIG. 1 shows an experimental apparatus for applying a coating to a metal sample in twin roll casters for casting steel strips and under similar conditions. FIG. 3 schematically shows a twin roll caster and a hot rolling mill constructed in the present invention. 4 is a side view of the strip caster.

Claims (17)

연속적인 스트립 캐스터에서 용융된 스틸의 캐스팅 풀로부터 고화된 스트립 제품을 연속으로 캐스팅하고 그 고화된 스트립 제품이 캐스터에서 배출되도록 (a) 산화 보호코팅이 도포되는 스트립의 온도에서 유동되는 산화 보호코팅재를 뜨거운 금속 스트립에 도포하고, (b) 코팅된 금속 스트립의 사이즈 및/혹은 형상을 변경하기 위하여 그 코팅된 금속 스트립을 가공하고, (c) 코팅된 금속이 고화되어 파쇄되도록 코팅의 냉각 동작을 수반한 코팅 제거처리 동작에 의해 코팅을 연속적으로 제거함으로써 고화된 스트립제품을 캐서터와 일치시키는 것을 특징으로 하는 스틸 스트립 제조방법.In a continuous strip caster, the solidified strip product is continuously cast from the casting pool of molten steel and the solidified strip product is discharged from the caster (a) with an oxidation protective coating material which flows at the temperature of the strip to which the oxidation protective coating is applied. Applied to a hot metal strip, (b) processing the coated metal strip to change the size and / or shape of the coated metal strip, and (c) encouraging the cooling operation of the coating so that the coated metal solidifies and fractures. A method of producing a steel strip, wherein the solidified strip product is matched with a caterer by continuously removing the coating by one coating removal operation. 제1항에 있어서, 상기 코팅은 캐스팅을 배출하는 영역내의 스트립에 도포되는 것을 특징으로 하는 스틸 스트립 제조방법.The method of claim 1, wherein the coating is applied to the strip in the area for discharging the casting. 제1항 또는 제2항에 있어서, 상기 코팅재는 스트립으로부터 열이 가해짐에 따라 융해되도록 파우더 형태로 도포되는 것을 특징으로 하는 스틸 스트립 제조방법.3. The method of claim 1 or 2, wherein the coating material is applied in the form of a powder to melt as heat is applied from the strip. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 코팅은 스트립의 온도가 1100℃를 초과할 때 스트립에 도포되는 것을 특징으로 하는 스틸 스트립 제조방법.The method of claim 1, wherein the coating is applied to the strip when the temperature of the strip exceeds 1100 ° C. 5. 제4항에 있어서, 상기 코팅은 스트립의 온도가 1300℃를 초과할 때 스트립에 도포되는 것을 특징으로 하는 스틸 스트립 제조방법.The method of claim 4, wherein the coating is applied to the strip when the temperature of the strip exceeds 1300 ° C. 6. 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 산화보호코팅은 철산화물이 코팅에 의해 제거되어 스트립이 디스케일되도록 스트립표면상에서 철산화물과 반응하는 것을 특징으로 하는 스틸 스트립 제조방법.The method of any one of claims 1 to 5, wherein the oxidation protective coating reacts with the iron oxide on the surface of the strip such that the iron oxide is removed by the coating to descale the strip. 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 코팅재는 600~1400℃ 범위의 융해/연화점을 가진 것을 특징으로 하는 스틸 스트립 제조방법.The method of any one of claims 1 to 6, wherein the coating material has a melting / softening point in the range of 600 to 1400 ° C. 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 코팅재는 유리재를 함유하는 산소인 것을 특징으로 하는 스틸 스트립 제조방법.8. The method of any one of claims 1 to 7, wherein the coating material is oxygen containing glass material. 제8항에 있어서, 상기 코팅재는 유리에나멜인 것을 특징으로 하는 스틸 스트립 제조방법.10. The method of claim 8, wherein the coating material is glass enamel. 제1항 내지 제9항중 어느 한 항에 있어서, 상기 코팅재의 점성은 도포되는 스트립의 온도에서 1000Pa.s 이하인 것을 특징으로 하는 스틸 스트립 제조방법.10. The method of any one of the preceding claims, wherein the viscosity of the coating material is at most 1000 Pa · s at the temperature of the strip being applied. 제10항에 있어서, 상기 코팅재의 점성은 도포되는 스트립의 온도에서 1000Pa.s 이하인 것을 특징으로 하는 스틸 스트립 제조방법.The method of claim 10, wherein the coating material has a viscosity of 1000 Pa · s or less at the temperature of the strip being applied. 제1항 내지 제11항 중 어느 한 항에 있어서, 상기 코팅은 물 분사에 의해 고화 및 파쇄되도록 냉각되는 것을 특징으로 하는 스틸 스트립 제조방법.12. A method according to any one of the preceding claims, wherein the coating is cooled to solidify and fracture by water spraying. 제1항 내지 제12항 중 어느 한 항에 있어서, 상기 뜨겁게 코팅된 스트립은 그 두께가 감소되도록 열간 압연되는 것을 특징으로 하는 스틸 스트립 제조방법.13. The method of any one of the preceding claims, wherein the hot coated strip is hot rolled to reduce its thickness. 제1항 내지 제13항 중 어느 한 항에 있어서, 상기 연속 캐스터는, 닙을 형성하는 한쌍의 냉각된 캐스팅롤이 구성된 트윈 롤 캐스터이고, 상기 용융금속의 캐스팅 풀은 상기 닙 상부에 직접 재치된 캐스팅 롤의 캐스팅 표면상에 지지되며, 상기 캐스팅 롤은 상기 고화된 스트립을 상기 닙으로부터 하측으로 인도하도록 회전되고, 상기 코팅재는 상기 닙 하측의 스트립에 도포되는 것을 특징으로 하는 스틸 스트립 제조방법.14. The continuous caster according to any one of claims 1 to 13, wherein the continuous caster is a twin roll caster composed of a pair of cooled casting rolls forming a nip, wherein the casting pool of molten metal is placed directly on top of the nip. Supported on the casting surface of a casting roll, wherein the casting roll is rotated to guide the solidified strip downward from the nip, and the coating material is applied to the strip below the nip. 융화된 스틸의 캐스팅 풀로로부터 고화된 스트립 제품을 연속으로 캐스팅하는 연속 캐스터; 상기 연속 캐스터로부터 인도된 뜨거운 스틸 스트립에 산화보호코팅을 도포하는 코팅 도포기; 뜨겁게 코팅된 스트립을 그 두께가 감소되도록 롤링하는 롤링수단; 상기 연속캐스터에 일치된 상태에서 롤링된 스트립의 코팅을 제거하고, 고화 및 파쇄하도록 상기 코팅을 냉각시키기 위한 냉각수단이 구성된 코팅제거수단으로 이루어진 것을 특징으로 하는 스틸 스트립 제조장치.A continuous caster for continuously casting the solidified strip product from the casting pool of molten steel; A coating applicator for applying an oxide protective coating to the hot steel strips led from the continuous caster; Rolling means for rolling the hot coated strip to reduce its thickness; Steel strip manufacturing apparatus comprising a coating means for removing the coating of the rolled strip in the state matched to the continuous caster, cooling means for cooling the coating to solidify and crush. 제15항에 있어서, 상기 코팅 도포기는 파우더 형태의 코팅재를 도포하는 것을 특징으로 하는 스틸 스트립 제조장치.16. The apparatus of claim 15, wherein the coating applicator applies a coating material in powder form. 제15항 또는 제16항에 있어서, 상기 연속 캐스터는, 닙을 형성하는 한쌍의 캐스팅롤과, 상기 닙 상부에 직접 재치된 롤의 캐스팅 표면상에 융해된 스틸의 캐스팅 풀을 형성하도록 상기 닙으로부터 융해된 스틸을 인도하기 위하여 상기 닙 상부에 배치된 금속 인도노즐과, 고화된 금속 스트립을 상기 닙으로부터 하측으로 인도하도록 롤을 역회전시키는 롤 구동수단으로 구성된 것을 특징으로 하는 스틸 스트립 제조장치.The nip of claim 15, wherein the continuous caster comprises a pair of casting rolls forming a nip and a casting pool of molten steel formed on the casting surface of the roll placed directly on top of the nip. And a metal guide nozzle disposed above the nip to guide the molten steel, and roll drive means for reversely rotating the roll to guide the solidified metal strip downward from the nip. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960702480A 1993-11-11 1994-11-10 Continuous cast steel strip KR960705646A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPM235293 1993-11-11
AUPM2352 1993-11-11
PCT/AU1994/000689 WO1995013156A1 (en) 1993-11-11 1994-11-10 Continuously cast steel strip

Publications (1)

Publication Number Publication Date
KR960705646A true KR960705646A (en) 1996-11-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960702480A KR960705646A (en) 1993-11-11 1994-11-10 Continuous cast steel strip

Country Status (4)

Country Link
EP (1) EP0728052A4 (en)
JP (1) JPH09504830A (en)
KR (1) KR960705646A (en)
WO (1) WO1995013156A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409351B (en) 2000-06-05 2002-07-25 Voest Alpine Ind Anlagen METHOD AND SYSTEM FOR PRODUCING A METAL STRIP
FR2855992B1 (en) * 2003-06-10 2005-12-16 Usinor METHOD AND INSTALLATION OF DIRECT CONTINUOUS CASTING OF A METAL STRIP
DE102009023159A1 (en) * 2009-05-29 2010-12-02 Merck Patent Gmbh Electrostatic coating process

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60247446A (en) * 1984-05-22 1985-12-07 Kawasaki Steel Corp Method and equipment for producing rapidly cooled thin strip
JPH0790246B2 (en) * 1985-10-30 1995-10-04 新日本製鐵株式会社 Direct slab rolling method

Also Published As

Publication number Publication date
EP0728052A4 (en) 1997-10-08
EP0728052A1 (en) 1996-08-28
WO1995013156A1 (en) 1995-05-18
JPH09504830A (en) 1997-05-13

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