NO123613B - - Google Patents
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- Publication number
- NO123613B NO123613B NO331168A NO331168A NO123613B NO 123613 B NO123613 B NO 123613B NO 331168 A NO331168 A NO 331168A NO 331168 A NO331168 A NO 331168A NO 123613 B NO123613 B NO 123613B
- Authority
- NO
- Norway
- Prior art keywords
- ladle
- degassing
- cover
- melt
- smelt
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 239000000155 melt Substances 0.000 claims description 12
- 238000007872 degassing Methods 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052756 noble gas Inorganic materials 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 239000012298 atmosphere Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 241001062472 Stokellia anisodon Species 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 150000002835 noble gases Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- CSJDCSCTVDEHRN-UHFFFAOYSA-N methane;molecular oxygen Chemical compound C.O=O CSJDCSCTVDEHRN-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000161 steel melt Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009849 vacuum degassing Methods 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
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
- B22D1/005—Injection assemblies therefor
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66306567A | 1967-08-24 | 1967-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO123613B true NO123613B (enrdf_load_stackoverflow) | 1971-12-20 |
Family
ID=24660340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO331168A NO123613B (enrdf_load_stackoverflow) | 1967-08-24 | 1968-08-23 |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT308166B (enrdf_load_stackoverflow) |
| BE (1) | BE719771A (enrdf_load_stackoverflow) |
| CH (1) | CH509116A (enrdf_load_stackoverflow) |
| ES (1) | ES357336A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1603454A (enrdf_load_stackoverflow) |
| GB (1) | GB1217787A (enrdf_load_stackoverflow) |
| LU (1) | LU56752A1 (enrdf_load_stackoverflow) |
| NL (1) | NL6811946A (enrdf_load_stackoverflow) |
| NO (1) | NO123613B (enrdf_load_stackoverflow) |
| SE (1) | SE350280B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2077477A1 (en) * | 1970-01-08 | 1971-10-29 | Usinor | Vacuum vessel - used in the treatment of molten metal, esp steel |
| LU84093A1 (de) * | 1982-04-16 | 1983-12-16 | Arbed | Einrichtung zum metallurgischen behandeln von fluessigen metallen |
| DE3426736A1 (de) * | 1984-07-20 | 1986-01-30 | Klöckner CRA Technologie GmbH, 4100 Duisburg | Verfahren zur spuelgasbehandlung von metallschmelzen |
-
1968
- 1968-08-13 SE SE1088068A patent/SE350280B/xx unknown
- 1968-08-14 GB GB3887668A patent/GB1217787A/en not_active Expired
- 1968-08-17 ES ES357336A patent/ES357336A1/es not_active Expired
- 1968-08-20 FR FR1603454D patent/FR1603454A/fr not_active Expired
- 1968-08-21 AT AT814568A patent/AT308166B/de not_active IP Right Cessation
- 1968-08-21 NL NL6811946A patent/NL6811946A/xx unknown
- 1968-08-21 CH CH1252968A patent/CH509116A/de not_active IP Right Cessation
- 1968-08-21 BE BE719771D patent/BE719771A/xx unknown
- 1968-08-22 LU LU56752D patent/LU56752A1/xx unknown
- 1968-08-23 NO NO331168A patent/NO123613B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE350280B (enrdf_load_stackoverflow) | 1972-10-23 |
| AT308166B (de) | 1973-06-25 |
| ES357336A1 (es) | 1970-03-16 |
| GB1217787A (en) | 1970-12-31 |
| BE719771A (enrdf_load_stackoverflow) | 1969-02-03 |
| NL6811946A (enrdf_load_stackoverflow) | 1969-02-26 |
| FR1603454A (enrdf_load_stackoverflow) | 1971-04-19 |
| CH509116A (de) | 1971-06-30 |
| LU56752A1 (enrdf_load_stackoverflow) | 1968-11-21 |
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