EP1015653A1 - Cuve metallurgique - Google Patents
Cuve metallurgiqueInfo
- Publication number
- EP1015653A1 EP1015653A1 EP98947371A EP98947371A EP1015653A1 EP 1015653 A1 EP1015653 A1 EP 1015653A1 EP 98947371 A EP98947371 A EP 98947371A EP 98947371 A EP98947371 A EP 98947371A EP 1015653 A1 EP1015653 A1 EP 1015653A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel
- tempering
- metallurgical vessel
- shots
- parts
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 238000005496 tempering Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910001566 austenite Inorganic materials 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 238000009749 continuous casting Methods 0.000 claims description 2
- 238000005098 hot rolling Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 2
- 229910000882 Ca alloy Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229910001149 41xx steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
Definitions
- the invention relates to a metallurgical vessel, in particular a converter for the treatment of liquid metal melts, consisting of a refractory lining and a supporting metal jacket surrounding it, according to the preamble of claim 1.
- Metallurgical vessels such as B. Converters or steelworks pans are exposed to the static load from the weight of the lining and the filled molten metal also to a thermal load due to the high temperatures.
- the supporting metal jacket of these vessels must therefore be made of a material that has a certain creep rupture strength, for. B. for 100 000 h based on a predetermined temperature.
- the maximum temperature that can be tolerated is 400 ° C.
- the increasing secondary metallurgical treatment e.g. B. vacuum treatment
- a higher melting temperature to compensate for this temperature loss.
- the aim is a tolerable temperature of 500 ° C., preferably 550 ° C.
- heat-resistant steels are known that are suitable for this temperature range, for example 15 Mo 3, 13 CrMo 44 or 10 CrMo 9.10.
- all these steels have the major disadvantage that after welding, the component has to be stress relieved at a temperature of around 700 ° C.
- the object of the invention is to provide a metallurgical vessel of the generic type, the load-bearing metal jacket of a sufficient creep resistance up to max. 550 ° C and which requires no stress relief annealing after welding.
- Wall thicknesses are sometimes required for the intended use. Usually, the known fine grain steel for sheet thicknesses up to max. 50 mm.
- the metallurgical vessel designed according to the invention is explained in more detail using the manufacturing method. Show it:
- Figure 2 is an external view of Figure 1
- FIG. 1 shows a longitudinal section of a converter 1 produced according to the invention.
- This has a metal jacket 2 composed of a plurality of sections 6, 7 and dome parts 8, a foot ring 3 arranged on the bottom and a muzzle ring 4 arranged on the upper edge.
- Refractory material 5 is arranged within the metal shell 2, the thickness of which decreases with the travel time of the converter 1 as a result of burning and washing out. The decreasing insulating thickness of the refractory material leads to higher temperatures in the metal jacket, which must be endured in the long run.
- FIG. 2 shows an external view of the converter 1 shown in FIG. 1.
- a steel melt is treated with calcium and vacuum before pouring and then shows the following actual analysis in percent by weight.
- This molten steel is cast in a continuous casting process to form a slab with a thickness of 260 mm and a width of 2300 mm. After cooling and
- the slab is rolled out in several passes from a sheet with a thickness of 80 mm and a width of 2900 mm and a length of 6000 mm.
- the individual shape change 8 h in the individual stitches is greater than 0.1.
- the heavy plate produced in this way is subjected to tempering, consisting of heating to an austenite temperature of 920 ° C with subsequent water quenching. This heat treatment can be repeated depending on the requirements for fine grain. Finally, it is tempered at 700 ° C with subsequent cooling in air. After tempering, the heavy plates are cut to the required bending dimensions. This is followed by bending into shells
- the otherwise required stress relief annealing after welding can be omitted according to the invention.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19736720A DE19736720C1 (de) | 1997-08-19 | 1997-08-19 | Metallurgisches Gefäß |
| DE19736720 | 1997-08-19 | ||
| PCT/DE1998/002203 WO1999009232A1 (fr) | 1997-08-19 | 1998-07-24 | Cuve metallurgique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1015653A1 true EP1015653A1 (fr) | 2000-07-05 |
| EP1015653B1 EP1015653B1 (fr) | 2002-01-09 |
Family
ID=7839941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98947371A Expired - Lifetime EP1015653B1 (fr) | 1997-08-19 | 1998-07-24 | Cuve metallurgique |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6368549B1 (fr) |
| EP (1) | EP1015653B1 (fr) |
| JP (1) | JP2001515148A (fr) |
| AT (1) | ATE211778T1 (fr) |
| AU (1) | AU9431498A (fr) |
| DE (2) | DE19736720C1 (fr) |
| ES (1) | ES2166618T3 (fr) |
| WO (1) | WO1999009232A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359345B3 (de) * | 2003-12-16 | 2005-09-15 | Daimlerchrysler Ag | Vorrichtung zur Verbesserung der Sichtverhältniesse in einem Kraftfahrzeug |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2234476T3 (es) * | 1999-05-08 | 2005-07-01 | Thyssenkrupp Stahl Ag | Uso de un acero para la fabricacon de chapa de blindaje. |
| JP3903321B2 (ja) * | 2004-12-28 | 2007-04-11 | 株式会社大紀アルミニウム工業所 | 溶融金属取鍋 |
| US8486251B2 (en) * | 2008-08-05 | 2013-07-16 | Exxonmobil Research And Engineering Company | Process for regenerating alkali metal hydroxides by electrochemical means |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE540263A (fr) * | ||||
| US3989231A (en) * | 1972-03-09 | 1976-11-02 | British Steel Corporation | Heat treatment of steel |
| SE371211B (fr) * | 1973-03-12 | 1974-11-11 | Uddeholms Ab | |
| JPS5925957A (ja) * | 1982-08-03 | 1984-02-10 | Nittoku Kako Center:Kk | ブレ−カ−用高じん性チゼル |
| US4468249A (en) * | 1982-09-16 | 1984-08-28 | A. Finkl & Sons Co. | Machinery steel |
| JPH0250911A (ja) * | 1988-08-15 | 1990-02-20 | Nippon Steel Corp | 疲労特性の良い金型用鋼板の製造方法 |
| JP2986601B2 (ja) * | 1991-12-25 | 1999-12-06 | 川崎製鉄株式会社 | 高強度高靱性高温圧力容器用鋼 |
| JPH0681078A (ja) * | 1992-07-09 | 1994-03-22 | Sumitomo Metal Ind Ltd | 低降伏比高強度鋼材およびその製造方法 |
| DE4223895C1 (de) * | 1992-07-21 | 1994-03-17 | Thyssen Stahl Ag | Verfahren zur Herstellung von dicken Panzerblechen |
| US5525167A (en) * | 1994-06-28 | 1996-06-11 | Caterpillar Inc. | Elevated nitrogen high toughness steel article |
| JPH0841582A (ja) * | 1994-07-29 | 1996-02-13 | Nippon Steel Corp | 大入熱溶接部靱性の優れた低合金耐熱鋼 |
| JP3238031B2 (ja) * | 1995-01-18 | 2001-12-10 | 新日本製鐵株式会社 | 高寿命浸炭軸受鋼 |
| US5853502A (en) * | 1995-08-11 | 1998-12-29 | Sumitomo Metal Industries, Ltd. | Carburizing steel and steel products manufactured making use of the carburizing steel |
-
1997
- 1997-08-19 DE DE19736720A patent/DE19736720C1/de not_active Expired - Fee Related
-
1998
- 1998-07-24 WO PCT/DE1998/002203 patent/WO1999009232A1/fr not_active Ceased
- 1998-07-24 AU AU94314/98A patent/AU9431498A/en not_active Abandoned
- 1998-07-24 EP EP98947371A patent/EP1015653B1/fr not_active Expired - Lifetime
- 1998-07-24 DE DE59802854T patent/DE59802854D1/de not_active Expired - Fee Related
- 1998-07-24 JP JP2000509886A patent/JP2001515148A/ja active Pending
- 1998-07-24 AT AT98947371T patent/ATE211778T1/de not_active IP Right Cessation
- 1998-07-24 US US09/485,969 patent/US6368549B1/en not_active Expired - Fee Related
- 1998-07-24 ES ES98947371T patent/ES2166618T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9909232A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359345B3 (de) * | 2003-12-16 | 2005-09-15 | Daimlerchrysler Ag | Vorrichtung zur Verbesserung der Sichtverhältniesse in einem Kraftfahrzeug |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19736720C1 (de) | 1999-05-06 |
| WO1999009232A1 (fr) | 1999-02-25 |
| AU9431498A (en) | 1999-03-08 |
| DE59802854D1 (de) | 2002-02-28 |
| EP1015653B1 (fr) | 2002-01-09 |
| ATE211778T1 (de) | 2002-01-15 |
| ES2166618T3 (es) | 2002-04-16 |
| JP2001515148A (ja) | 2001-09-18 |
| US6368549B1 (en) | 2002-04-09 |
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