NO900760L - Fremgangsmaate og apparat for aa blaase gass inn i smeltet metall. - Google Patents
Fremgangsmaate og apparat for aa blaase gass inn i smeltet metall.Info
- Publication number
- NO900760L NO900760L NO90900760A NO900760A NO900760L NO 900760 L NO900760 L NO 900760L NO 90900760 A NO90900760 A NO 90900760A NO 900760 A NO900760 A NO 900760A NO 900760 L NO900760 L NO 900760L
- Authority
- NO
- Norway
- Prior art keywords
- channel
- molten metal
- gas
- openings
- dispersing device
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 50
- 239000002184 metal Substances 0.000 title claims description 50
- 238000007664 blowing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000006185 dispersion Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 44
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000005441 aurora Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- -1 freon Chemical compound 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Mold Materials And Core Materials (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Nozzles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31289389A | 1989-02-17 | 1989-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO900760D0 NO900760D0 (no) | 1990-02-16 |
| NO900760L true NO900760L (no) | 1990-08-20 |
Family
ID=23213482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO90900760A NO900760L (no) | 1989-02-17 | 1990-02-16 | Fremgangsmaate og apparat for aa blaase gass inn i smeltet metall. |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0385617A1 (ko) |
| JP (1) | JPH02290930A (ko) |
| KR (1) | KR900013092A (ko) |
| AU (1) | AU4988890A (ko) |
| BR (1) | BR9000732A (ko) |
| CA (1) | CA2010235A1 (ko) |
| HU (1) | HUT57277A (ko) |
| IL (1) | IL93349A0 (ko) |
| NO (1) | NO900760L (ko) |
| PT (1) | PT93185A (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2652018B1 (fr) * | 1989-09-20 | 1994-03-25 | Pechiney Rhenalu | Dispositif de traitement au moyen de gaz d'un bain liquide d'aluminium de grande surface maintenu a l'etat stationnaire dans un four. |
| FR2670839A1 (fr) * | 1990-12-21 | 1992-06-26 | Cit Alcatel | Machine, telle que pompe a vide ou compresseur du type volumetrique ou a entrainement. |
| AUPN204895A0 (en) * | 1995-03-29 | 1995-04-27 | University Of Queensland, The | Method of generation and dispersion of fine bubbles and apparatus therefor |
| CN108396109B (zh) * | 2017-02-05 | 2019-08-27 | 鞍钢股份有限公司 | 一种在钢包钢液内产生弥散气泡的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2101000B1 (ko) * | 1970-08-04 | 1977-01-14 | Activite Atom Avance | |
| US4052199A (en) * | 1975-07-21 | 1977-10-04 | The Carborundum Company | Gas injection method |
| CH641839A5 (de) * | 1979-07-10 | 1984-03-15 | Alusuisse | Vorrichtung zur einleitung von gasen in metallschmelzen. |
| US4351514A (en) * | 1980-07-18 | 1982-09-28 | Koch Fenton C | Apparatus for purifying molten metal |
| IT1176428B (it) * | 1984-07-18 | 1987-08-18 | Radex Italiana Spa | Manicotto di uscita in un dispositivo per controllare l'efflusso di acciaio fuso da una siviera o da una paniera |
-
1990
- 1990-02-12 IL IL93349A patent/IL93349A0/xx unknown
- 1990-02-15 EP EP90301657A patent/EP0385617A1/en not_active Withdrawn
- 1990-02-16 JP JP2035986A patent/JPH02290930A/ja active Pending
- 1990-02-16 CA CA002010235A patent/CA2010235A1/en not_active Abandoned
- 1990-02-16 HU HU90835A patent/HUT57277A/hu unknown
- 1990-02-16 PT PT93185A patent/PT93185A/pt not_active Application Discontinuation
- 1990-02-16 AU AU49888/90A patent/AU4988890A/en not_active Abandoned
- 1990-02-16 NO NO90900760A patent/NO900760L/no unknown
- 1990-02-16 BR BR909000732A patent/BR9000732A/pt unknown
- 1990-02-17 KR KR1019900002002A patent/KR900013092A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IL93349A0 (en) | 1990-11-29 |
| HU900835D0 (en) | 1990-05-28 |
| AU4988890A (en) | 1990-08-23 |
| CA2010235A1 (en) | 1990-08-17 |
| BR9000732A (pt) | 1991-01-22 |
| KR900013092A (ko) | 1990-09-03 |
| JPH02290930A (ja) | 1990-11-30 |
| EP0385617A1 (en) | 1990-09-05 |
| HUT57277A (en) | 1991-11-28 |
| NO900760D0 (no) | 1990-02-16 |
| PT93185A (pt) | 1991-10-15 |
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