DE2030996A1 - Verfahren und Vorrichtung zur Be handlung von Stahl in Pfannen - Google Patents
Verfahren und Vorrichtung zur Be handlung von Stahl in PfannenInfo
- Publication number
- DE2030996A1 DE2030996A1 DE19702030996 DE2030996A DE2030996A1 DE 2030996 A1 DE2030996 A1 DE 2030996A1 DE 19702030996 DE19702030996 DE 19702030996 DE 2030996 A DE2030996 A DE 2030996A DE 2030996 A1 DE2030996 A1 DE 2030996A1
- Authority
- DE
- Germany
- Prior art keywords
- steel
- gas
- pan
- bath
- treatment
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 81
- 239000010959 steel Substances 0.000 title claims description 81
- 238000000034 method Methods 0.000 title claims description 15
- 239000007789 gas Substances 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- 238000011065 in-situ storage Methods 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 101150006573 PAN1 gene Proteins 0.000 description 3
- 238000007872 degassing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000655 Killed steel Inorganic materials 0.000 description 2
- 238000010405 reoxidation reaction Methods 0.000 description 2
- 229910001336 Semi-killed steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0081—Treating and handling under pressure
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Coating With Molten Metal (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE735159 | 1969-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2030996A1 true DE2030996A1 (de) | 1971-01-07 |
Family
ID=3854963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702030996 Pending DE2030996A1 (de) | 1969-06-25 | 1970-06-23 | Verfahren und Vorrichtung zur Be handlung von Stahl in Pfannen |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE735159A (enrdf_load_stackoverflow) |
| DE (1) | DE2030996A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2047918A7 (enrdf_load_stackoverflow) |
| LU (1) | LU61062A1 (enrdf_load_stackoverflow) |
| NL (1) | NL7009262A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0284694A3 (en) * | 1987-04-03 | 1990-01-31 | Inland Steel Company | Controlling dissolved oxygen content in molten steel |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU605949B2 (en) * | 1987-12-25 | 1991-01-24 | Nkk Corporation | Method for cleaning molten metal and apparatus therefor |
| FR2632971B1 (fr) * | 1988-06-17 | 1993-09-03 | Vallourec | Procede de traitement des aciers liquides par injection de gaz a travers le fond de poche |
-
1969
- 1969-06-25 BE BE735159D patent/BE735159A/xx unknown
-
1970
- 1970-06-04 LU LU61062D patent/LU61062A1/xx unknown
- 1970-06-19 FR FR7022603A patent/FR2047918A7/fr not_active Expired
- 1970-06-23 DE DE19702030996 patent/DE2030996A1/de active Pending
- 1970-06-24 NL NL7009262A patent/NL7009262A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0284694A3 (en) * | 1987-04-03 | 1990-01-31 | Inland Steel Company | Controlling dissolved oxygen content in molten steel |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2047918B3 (enrdf_load_stackoverflow) | 1973-04-06 |
| FR2047918A7 (en) | 1971-03-19 |
| LU61062A1 (enrdf_load_stackoverflow) | 1970-08-04 |
| NL7009262A (enrdf_load_stackoverflow) | 1970-12-29 |
| BE735159A (enrdf_load_stackoverflow) | 1969-12-29 |
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