ZA200502382B - Atmosphere control during continuous heat treatment of metal strips - Google Patents
Atmosphere control during continuous heat treatment of metal strips Download PDFInfo
- Publication number
- ZA200502382B ZA200502382B ZA2005/02382A ZA200502382A ZA200502382B ZA 200502382 B ZA200502382 B ZA 200502382B ZA 2005/02382 A ZA2005/02382 A ZA 2005/02382A ZA 200502382 A ZA200502382 A ZA 200502382A ZA 200502382 B ZA200502382 B ZA 200502382B
- Authority
- ZA
- South Africa
- Prior art keywords
- hydrogen
- atmosphere
- chamber
- gas
- nitrogen
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims description 12
- 239000002184 metal Substances 0.000 title description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 50
- 239000007789 gas Substances 0.000 claims description 49
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 45
- 238000001816 cooling Methods 0.000 claims description 42
- 239000001257 hydrogen Substances 0.000 claims description 40
- 229910052739 hydrogen Inorganic materials 0.000 claims description 40
- 239000001307 helium Substances 0.000 claims description 24
- 229910052734 helium Inorganic materials 0.000 claims description 24
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/04—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon modified to store record carriers
- G11B33/0405—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon modified to store record carriers for storing discs
- G11B33/0461—Disc storage racks
- G11B33/0483—Disc storage racks for single disc boxes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/04—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon modified to store record carriers
- G11B33/0405—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon modified to store record carriers for storing discs
- G11B33/0411—Single disc boxes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2241/00—Treatments in a special environment
- C21D2241/01—Treatments in a special environment under pressure
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Furnace Details (AREA)
- Control Of Heat Treatment Processes (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE2002/0539A BE1015109A3 (fr) | 2002-09-13 | 2002-09-13 | Procede de traitemant thermique de bande metallique. |
| PCT/BE2003/000149 WO2004024959A1 (fr) | 2002-09-13 | 2003-09-11 | Controle d’atmosphere pendant le procede de traitement thermique des bandes metalliques en continu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200502382B true ZA200502382B (en) | 2005-11-30 |
Family
ID=31983543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2005/02382A ZA200502382B (en) | 2002-09-13 | 2005-03-22 | Atmosphere control during continuous heat treatment of metal strips |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US7384489B2 (enExample) |
| EP (1) | EP1558770B1 (enExample) |
| JP (1) | JP2005538253A (enExample) |
| KR (1) | KR100954164B1 (enExample) |
| CN (1) | CN100577827C (enExample) |
| AT (1) | ATE434061T1 (enExample) |
| AU (1) | AU2003265746B2 (enExample) |
| BE (1) | BE1015109A3 (enExample) |
| BR (1) | BR0313862B1 (enExample) |
| CA (1) | CA2498646C (enExample) |
| DE (1) | DE60328031D1 (enExample) |
| EA (1) | EA008419B1 (enExample) |
| ES (1) | ES2328686T3 (enExample) |
| MX (1) | MXPA05002758A (enExample) |
| PL (1) | PL197421B1 (enExample) |
| UA (1) | UA77574C2 (enExample) |
| WO (1) | WO2004024959A1 (enExample) |
| ZA (1) | ZA200502382B (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005033288A1 (de) * | 2005-07-01 | 2007-01-04 | Sms Demag Ag | Verfahren und Vorrichtung zur Schmelztauchbeschichtung eines Metallbandes |
| CN100465302C (zh) * | 2006-08-17 | 2009-03-04 | 武汉钢铁(集团)公司 | 三段式可控气氛热处理炉 |
| AT511034B1 (de) * | 2011-02-04 | 2013-01-15 | Andritz Tech & Asset Man Gmbh | Verfahren zum kontrollieren einer schutzgasatmosphäre in einer schutzgaskammer zur behandlung eines metallbandes |
| WO2013150710A1 (ja) * | 2012-04-06 | 2013-10-10 | Ｊｆｅスチール株式会社 | 連続式溶融亜鉛めっき設備 |
| CN104404239B (zh) * | 2014-11-04 | 2016-08-24 | 山西太钢不锈钢股份有限公司 | 一种罩式退火炉保护气体热循环方法 |
| CA3026506A1 (en) | 2016-05-10 | 2017-11-16 | United States Steel Corporation | High strength steel products and annealing processes for making the same |
| US11560606B2 (en) | 2016-05-10 | 2023-01-24 | United States Steel Corporation | Methods of producing continuously cast hot rolled high strength steel sheet products |
| US11993823B2 (en) | 2016-05-10 | 2024-05-28 | United States Steel Corporation | High strength annealed steel products and annealing processes for making the same |
| MX2020006497A (es) | 2017-12-22 | 2020-09-17 | Jfe Steel Corp | Metodo para la produccion de lamina de acero galvanizada por inmersion en caliente y aparato de galvanizacion por inmersion en caliente continua. |
| CN110029298A (zh) * | 2019-03-19 | 2019-07-19 | 中国科学院合肥物质科学研究院 | Nb3Sn线圈热处理气氛保护系统及控制与检测方法 |
| CA3138889A1 (en) | 2019-05-07 | 2020-11-12 | United States Steel Corporation | Methods of producing continuously cast hot rolled high strength steel sheet products |
| US20210040578A1 (en) | 2019-08-07 | 2021-02-11 | United States Steel Corporation | High ductility zinc-coated steel sheet products |
| KR20220050935A (ko) | 2019-08-19 | 2022-04-25 | 유나이테드 스테이츠 스틸 코포레이션 | 고강도 강 제품 및 이의 제조를 위한 어닐링 공정 |
| AT524369B1 (de) * | 2020-10-21 | 2023-02-15 | Ebner Ind Ofenbau | Vertikalofen zur kontinuierlichen Wärmebehandlung eines Metallbandes |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU509460B2 (en) | 1976-12-23 | 1980-05-15 | Armco Steel Corporation | Treating steel strip prior to metal coating |
| DE3277843D1 (en) * | 1981-09-19 | 1988-01-28 | British Oxygen Co Ltd | Heat treatment of metals |
| JPS61250117A (ja) | 1985-04-26 | 1986-11-07 | Nisshin Steel Co Ltd | 金属ストリツプ用竪型連続焼鈍装置 |
| IT1229078B (it) * | 1988-03-16 | 1991-07-18 | Air Liquide | Procedimento e dispositivo di trattamento di ricottura di articoli metallici. |
| DE3926417A1 (de) * | 1989-01-17 | 1990-07-19 | Linde Ag | Verfahren zum gluehen von metallteilen unter wasserstoffreichem schutzgas in einem durchlaufofen |
| US5137586A (en) * | 1991-01-02 | 1992-08-11 | Klink James H | Method for continuous annealing of metal strips |
| US5224692A (en) * | 1991-08-12 | 1993-07-06 | Anderson Donald W | Versatile wide opening vise |
| JPH07233420A (ja) * | 1994-02-24 | 1995-09-05 | Toshiba Corp | 連続焼鈍炉の炉圧制御装置 |
| US5544150A (en) * | 1994-04-07 | 1996-08-06 | Medialink Technologies Corporation | Method and apparatus for determining and indicating network integrity |
| TW420718B (en) | 1995-12-26 | 2001-02-01 | Nippon Steel Corp | Primary cooling method in continuously annealing steel strip |
| FR2746112B1 (fr) * | 1996-03-13 | 1998-06-05 | Procede de traitement thermique en continu de bandes metalliques dans des atmospheres de nature differente | |
| JPH11117024A (ja) * | 1997-10-13 | 1999-04-27 | Mitsubishi Heavy Ind Ltd | 帯板連続焼鈍設備 |
| JP3465573B2 (ja) | 1998-02-25 | 2003-11-10 | Ｊｆｅスチール株式会社 | ガスジェット加熱・冷却におけるガス供給装置 |
| DE69918821T2 (de) * | 1998-03-26 | 2005-10-13 | Jfe Engineering Corp. | Verfahren zum kontrollieren der atmosphäre und der zugspannung in einem ofen zur kontinuierlichen wärmebehandlung von metallband |
| JP3572983B2 (ja) | 1998-03-26 | 2004-10-06 | Ｊｆｅスチール株式会社 | 連続熱処理炉ならびに連続熱処理炉における冷却方法 |
| FR2782326B1 (fr) * | 1998-08-13 | 2000-09-15 | Air Liquide | Procede de galvanisation d'une bande metallique |
| JP4123690B2 (ja) * | 2000-06-20 | 2008-07-23 | 住友金属工業株式会社 | 連続焼鈍炉内への雰囲気ガス供給方法 |
-
2002
- 2002-09-13 BE BE2002/0539A patent/BE1015109A3/fr not_active IP Right Cessation
-
2003
- 2003-09-11 BR BRPI0313862-3A patent/BR0313862B1/pt active IP Right Grant
- 2003-09-11 EA EA200500484A patent/EA008419B1/ru not_active IP Right Cessation
- 2003-09-11 CA CA2498646A patent/CA2498646C/fr not_active Expired - Fee Related
- 2003-09-11 AT AT03794717T patent/ATE434061T1/de active
- 2003-09-11 AU AU2003265746A patent/AU2003265746B2/en not_active Ceased
- 2003-09-11 DE DE60328031T patent/DE60328031D1/de not_active Expired - Lifetime
- 2003-09-11 EP EP03794717A patent/EP1558770B1/fr not_active Expired - Lifetime
- 2003-09-11 CN CN03821679A patent/CN100577827C/zh not_active Expired - Lifetime
- 2003-09-11 JP JP2004534877A patent/JP2005538253A/ja active Pending
- 2003-09-11 MX MXPA05002758A patent/MXPA05002758A/es active IP Right Grant
- 2003-09-11 ES ES03794717T patent/ES2328686T3/es not_active Expired - Lifetime
- 2003-09-11 KR KR1020057004387A patent/KR100954164B1/ko not_active Expired - Lifetime
- 2003-09-11 PL PL374236A patent/PL197421B1/pl not_active IP Right Cessation
- 2003-09-11 WO PCT/BE2003/000149 patent/WO2004024959A1/fr not_active Ceased
- 2003-09-11 US US10/527,803 patent/US7384489B2/en not_active Expired - Fee Related
- 2003-11-09 UA UAA200502426A patent/UA77574C2/uk unknown
-
2005
- 2005-03-22 ZA ZA2005/02382A patent/ZA200502382B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005538253A (ja) | 2005-12-15 |
| CN100577827C (zh) | 2010-01-06 |
| CA2498646A1 (fr) | 2004-03-25 |
| KR20050042201A (ko) | 2005-05-04 |
| AU2003265746A1 (en) | 2004-04-30 |
| BR0313862B1 (pt) | 2011-03-09 |
| KR100954164B1 (ko) | 2010-04-20 |
| EA200500484A1 (ru) | 2005-08-25 |
| PL374236A1 (en) | 2005-10-03 |
| PL197421B1 (pl) | 2008-03-31 |
| WO2004024959A1 (fr) | 2004-03-25 |
| EP1558770A1 (fr) | 2005-08-03 |
| CA2498646C (fr) | 2010-08-10 |
| EA008419B1 (ru) | 2007-04-27 |
| MXPA05002758A (es) | 2005-09-30 |
| DE60328031D1 (de) | 2009-07-30 |
| HK1074857A1 (zh) | 2005-11-25 |
| US7384489B2 (en) | 2008-06-10 |
| EP1558770B1 (fr) | 2009-06-17 |
| BR0313862A (pt) | 2005-07-05 |
| BE1015109A3 (fr) | 2004-10-05 |
| ATE434061T1 (de) | 2009-07-15 |
| CN1681948A (zh) | 2005-10-12 |
| US20060037679A1 (en) | 2006-02-23 |
| UA77574C2 (en) | 2006-12-15 |
| AU2003265746B2 (en) | 2008-10-30 |
| ES2328686T3 (es) | 2009-11-17 |
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