KR100588071B1 - 용강 가열에 사용하는 플라즈마 토치 - Google Patents
용강 가열에 사용하는 플라즈마 토치 Download PDFInfo
- Publication number
- KR100588071B1 KR100588071B1 KR1020037010250A KR20037010250A KR100588071B1 KR 100588071 B1 KR100588071 B1 KR 100588071B1 KR 1020037010250 A KR1020037010250 A KR 1020037010250A KR 20037010250 A KR20037010250 A KR 20037010250A KR 100588071 B1 KR100588071 B1 KR 100588071B1
- Authority
- KR
- South Korea
- Prior art keywords
- electrode
- molten steel
- outer cylinder
- plasma
- torch
- Prior art date
Links
Images
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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
-
- 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
-
- 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
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
- B22D41/015—Heating means with external heating, i.e. the heat source not being a part of the ladle
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/28—Cooling arrangements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3436—Hollow cathodes with internal coolant flow
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3478—Geometrical details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3457—Nozzle protection devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Engineering (AREA)
- Geometry (AREA)
- Plasma Technology (AREA)
Abstract
Description
예1 | 예2 | 예3 | ||||
전극재질 | 재질 1 | 재질 2 | 재질 1 | 재질 2 | 재질 1 | 재질 2 |
W | Cu | W | Cu | WC | Cu | |
재질 질량비율(%) | 70 | 30 | 80 | 20 | 70 | 30 |
전기전도도(S/m) | 17 | 16 | 12 | |||
특성 | 열전도성, 내아크성이 우수하다 | 예 1, 2에 비하여 열전도성을 유지하면서 내아크를 높였다. |
Claims (1)
- 환상으로 바닥이 막힌 이중관으로 이루어지는 외통과, 상기 외통의 내부에 상기 이중관의 내측과 간격을 두고 장착된 바닥이 있는 통상의 양극 전극을 구비하는 플라즈마 토치에 있어서,2시간 가열로 최대 경도의 35%로 경도가 저하되는 온도를 연화 온도로 정의할 때에, 상기 양극 전극은 연화 온도가 150℃를 초과하는 재료로 이루어지고,상기 외통의 전기전도도(N)에 대한 상기 양극 전극의 전기전도도(D)의 비가 아래 식을 만족시키는 것을 특징으로 하는 용강 가열에 사용하는 플라즈마 토치.0.2≤D/N<1.0
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2001-00037414 | 2001-02-14 | ||
JP2001037414 | 2001-02-14 | ||
PCT/JP2002/001271 WO2002064290A1 (fr) | 2001-02-14 | 2002-02-14 | Chalumeau a plasma pour chauffer de l'acier en fusion |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030071883A KR20030071883A (ko) | 2003-09-06 |
KR100588071B1 true KR100588071B1 (ko) | 2006-06-09 |
Family
ID=18900548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020037010250A KR100588071B1 (ko) | 2001-02-14 | 2002-02-14 | 용강 가열에 사용하는 플라즈마 토치 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6794600B2 (ko) |
EP (1) | EP1369191B1 (ko) |
JP (1) | JP3995597B2 (ko) |
KR (1) | KR100588071B1 (ko) |
AU (1) | AU2002232195B2 (ko) |
BR (1) | BRPI0207269B1 (ko) |
CA (1) | CA2437591C (ko) |
DE (1) | DE60219446T2 (ko) |
ES (1) | ES2280514T3 (ko) |
TW (1) | TW528624B (ko) |
WO (1) | WO2002064290A1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BRPI0207269B1 (pt) * | 2001-02-14 | 2016-03-08 | Nippon Steel & Sumitomo Metal Corp | maçarico de plasma usado para aquecer aço fundido |
RU2481174C1 (ru) * | 2012-01-18 | 2013-05-10 | Общество с ограниченной ответственностью "АГНИ-К" | Промежуточный ковш |
CN113751678B (zh) * | 2021-09-08 | 2023-06-20 | 广东华域重工有限公司 | 一种高强度重钢生产工艺及其加工设备 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO163412B (no) * | 1988-01-25 | 1990-02-12 | Elkem Technology | Plasmalanse. |
JPH0658840B2 (ja) * | 1988-04-26 | 1994-08-03 | 新日本製鐵株式会社 | 移行形プラズマトーチ |
JPH04139384A (ja) * | 1990-09-28 | 1992-05-13 | Nkk Corp | 移行式プラズマトーチ |
JPH04190597A (ja) * | 1990-11-22 | 1992-07-08 | Nkk Corp | 移行式プラズマトーチ |
GB9108891D0 (en) * | 1991-04-25 | 1991-06-12 | Tetronics Research & Dev Co Li | Silica production |
JP2834657B2 (ja) * | 1993-11-30 | 1998-12-09 | 川崎製鉄株式会社 | 溶融金属流動制御可能なタンディッシュ装置 |
JPH08118028A (ja) * | 1994-10-18 | 1996-05-14 | Mitsubishi Materials Corp | 溶接トーチおよび肉盛溶接装置 |
JPH0919771A (ja) * | 1995-07-04 | 1997-01-21 | Sumitomo Metal Ind Ltd | プラズマアーク溶接トーチ用ノズル |
DE19626941A1 (de) * | 1996-07-04 | 1998-01-08 | Castolin Sa | Verfahren zum Beschichten oder Schweißen leicht oxidierbarer Werkstoffe sowie Plasmabrenner dafür |
JP2001167899A (ja) * | 1999-12-09 | 2001-06-22 | Nippon Steel Corp | プラズマ加熱用アノードトーチ |
JP3546947B2 (ja) * | 1999-12-24 | 2004-07-28 | スチールプランテック株式会社 | タンディッシュ内溶鋼加熱用アノードプラズマトーチ |
BRPI0207269B1 (pt) * | 2001-02-14 | 2016-03-08 | Nippon Steel & Sumitomo Metal Corp | maçarico de plasma usado para aquecer aço fundido |
-
2002
- 2002-02-14 BR BRPI0207269A patent/BRPI0207269B1/pt active IP Right Grant
- 2002-02-14 AU AU2002232195A patent/AU2002232195B2/en not_active Ceased
- 2002-02-14 DE DE60219446T patent/DE60219446T2/de not_active Expired - Lifetime
- 2002-02-14 CA CA002437591A patent/CA2437591C/en not_active Expired - Fee Related
- 2002-02-14 EP EP02712366A patent/EP1369191B1/en not_active Expired - Lifetime
- 2002-02-14 US US10/468,085 patent/US6794600B2/en not_active Expired - Fee Related
- 2002-02-14 JP JP2002564072A patent/JP3995597B2/ja not_active Expired - Lifetime
- 2002-02-14 ES ES02712366T patent/ES2280514T3/es not_active Expired - Lifetime
- 2002-02-14 WO PCT/JP2002/001271 patent/WO2002064290A1/ja active IP Right Grant
- 2002-02-14 KR KR1020037010250A patent/KR100588071B1/ko active IP Right Grant
- 2002-02-15 TW TW091102621A patent/TW528624B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE60219446D1 (de) | 2007-05-24 |
EP1369191B1 (en) | 2007-04-11 |
JP3995597B2 (ja) | 2007-10-24 |
EP1369191A1 (en) | 2003-12-10 |
BRPI0207269B1 (pt) | 2016-03-08 |
ES2280514T3 (es) | 2007-09-16 |
WO2002064290A1 (fr) | 2002-08-22 |
EP1369191A4 (en) | 2004-07-14 |
CA2437591A1 (en) | 2002-08-22 |
AU2002232195B2 (en) | 2005-12-01 |
BR0207269A (pt) | 2004-02-10 |
CA2437591C (en) | 2007-09-25 |
US6794600B2 (en) | 2004-09-21 |
JPWO2002064290A1 (ja) | 2004-06-10 |
US20040074880A1 (en) | 2004-04-22 |
TW528624B (en) | 2003-04-21 |
DE60219446T2 (de) | 2007-08-16 |
KR20030071883A (ko) | 2003-09-06 |
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