KR100584749B1 - 유동제어가 가능하여 용강의 청정도를 향상시킨 턴디쉬 - Google Patents
유동제어가 가능하여 용강의 청정도를 향상시킨 턴디쉬 Download PDFInfo
- Publication number
- KR100584749B1 KR100584749B1 KR1020010083370A KR20010083370A KR100584749B1 KR 100584749 B1 KR100584749 B1 KR 100584749B1 KR 1020010083370 A KR1020010083370 A KR 1020010083370A KR 20010083370 A KR20010083370 A KR 20010083370A KR 100584749 B1 KR100584749 B1 KR 100584749B1
- Authority
- KR
- South Korea
- Prior art keywords
- molten steel
- tundish
- pad
- cleanliness
- flow
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/116—Refining the metal
- B22D11/118—Refining the metal by circulating the metal under, over or around weirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/003—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with impact pads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
Description
분석항목(구분) | 턴디쉬(4a) | 턴디쉬(4b) | 턴디쉬(4c) | 턴디쉬(4a+4c) |
T.O(ppm) | 18 | 19 | 19 | 19 |
편심도 | 1.45 | 1.40 | 1.25 | 1.35 |
주조초기 용강 오염지수 | 100% | 25% | 28% | 53% |
래들 연결시 용강오염지수 | 100% | 102% | 112.5% | 125% |
구분 (턴디쉬 부호) | 종래예 (4a) | 종래예 (4b) | 종래예 (4c) | 종래예 (4a+4c) | 본 발명 (4') 40도 | 본 발명 (4') 45도 | 본 발명 (4') 65도 | 본 발명 (4') 70도 | 본 발명 (4') 75도 |
최소체류시간(초) /XY스트랜드 | 35.5/ 40.5 | 50/ 38 | 49/ 54.5 | 89.5/ 80.5 | 35.5/ 52.3 | 40/ 46 | 43.5/ 42.5 | 46.5/ 42.5 | 49.5/ 40.2 |
평균체류 시간(초) /XY스트 랜드 | 445/ 414 | 440/ 387 | 451/ 439 | 482/ 499 | 350/ 459 | 400/ 430 | 434/ 425 | 453/ 418 | 473/ 408 |
상승유속 (m/s) (58/112 l/min) | < 0 | 0.009/ 0.003 | 0.052/ 0.058 | 0.050/ 0.053 | 0.015/ 0.030 | 0.020/ 0.035 | 0.025 0.040 | 0.034/ 0.039 | 0.038/ 0.035 |
나탕면적 (㎠) (112/140l/min) | 0 | 110/ 120 | 696/ 1480 | 680/ 1420 | 530/ 1120 | 550/ 1220 | 500/ 960 | 550/ 980 | 650/ 1280 |
Claims (3)
- 래들(2)을 통하여 주입된 용강(1)을 연속주조 주형(5)에 편심 주입시키는 편심 주입형 턴디쉬(100)에 있어서,용강(1)이 주입되는 부위의 턴디쉬 바닥(4a)에 설치되고, 거리가 짧은측 주형(5a)으로의 용강 체류시간을 길게 하여 일측 상단에 유동억제체(12a)가 일체로 형성된 용강 역류형패드(12); 및,상기 패드(12)의 유동억제체(12a) 반대측으로 상기 패드(12)의 측벽에 45°-70°로 경사지게 설치된 경사벽으로 용강의 체류시간 편차를 방지토록 구성되어 패드에 주입되는 용강을 탕면측으로 역류 유도하여 용강상의 개재물을 턴디쉬 슬랙으로서 최대한 포집하여 용강의 청정도를 높이는 난류억제수단(14);을 구비한 것을 특징으로 하는 유동제어가 가능하여 용강의 청정도를 향상시킨 턴디쉬
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010083370A KR100584749B1 (ko) | 2001-12-22 | 2001-12-22 | 유동제어가 가능하여 용강의 청정도를 향상시킨 턴디쉬 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020010083370A KR100584749B1 (ko) | 2001-12-22 | 2001-12-22 | 유동제어가 가능하여 용강의 청정도를 향상시킨 턴디쉬 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030053613A KR20030053613A (ko) | 2003-07-02 |
KR100584749B1 true KR100584749B1 (ko) | 2006-05-30 |
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Family Applications (1)
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KR1020010083370A KR100584749B1 (ko) | 2001-12-22 | 2001-12-22 | 유동제어가 가능하여 용강의 청정도를 향상시킨 턴디쉬 |
Country Status (1)
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KR (1) | KR100584749B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5169591A (en) * | 1992-02-07 | 1992-12-08 | Bethlehem Steel Corporation | Impact pad for a continuous caster tundish |
JPH10166112A (ja) * | 1996-12-11 | 1998-06-23 | Eugene Savoie | 溶融金属、特に鋼を保持するための供給貯蔵器 |
US6159418A (en) * | 1996-04-11 | 2000-12-12 | Foseco International Limited | Tundish impact pad |
KR20030042799A (ko) * | 2001-11-24 | 2003-06-02 | 주식회사 포스코 | 연속주조 턴디쉬의 용강 분배판 |
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2001
- 2001-12-22 KR KR1020010083370A patent/KR100584749B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5169591A (en) * | 1992-02-07 | 1992-12-08 | Bethlehem Steel Corporation | Impact pad for a continuous caster tundish |
US6159418A (en) * | 1996-04-11 | 2000-12-12 | Foseco International Limited | Tundish impact pad |
JPH10166112A (ja) * | 1996-12-11 | 1998-06-23 | Eugene Savoie | 溶融金属、特に鋼を保持するための供給貯蔵器 |
KR20030042799A (ko) * | 2001-11-24 | 2003-06-02 | 주식회사 포스코 | 연속주조 턴디쉬의 용강 분배판 |
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KR20030053613A (ko) | 2003-07-02 |
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