CA1067293A - Methode d'injection d'une poudre apportant du carbone dans un bain metallique - Google Patents
Methode d'injection d'une poudre apportant du carbone dans un bain metalliqueInfo
- Publication number
- CA1067293A CA1067293A CA240,539A CA240539A CA1067293A CA 1067293 A CA1067293 A CA 1067293A CA 240539 A CA240539 A CA 240539A CA 1067293 A CA1067293 A CA 1067293A
- Authority
- CA
- Canada
- Prior art keywords
- gas
- closed
- nitrogen
- carbon
- deoxidation
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 title claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 55
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 23
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052786 argon Inorganic materials 0.000 claims abstract description 8
- 230000001590 oxidative effect Effects 0.000 claims abstract description 6
- 238000010926 purge Methods 0.000 claims abstract description 6
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 230000007935 neutral effect Effects 0.000 claims abstract description 3
- 230000003647 oxidation Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 239000012159 carrier gas Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 238000005255 carburizing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000011144 upstream manufacturing Methods 0.000 description 7
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 150000002829 nitrogen Chemical class 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000283986 Lepus Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- C21C7/0025—Adding carbon material
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7438955A FR2292771A1 (fr) | 1974-11-28 | 1974-11-28 | Methode d'injection d'une poudre apportant du carbone dans un bain metallique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1067293A true CA1067293A (fr) | 1979-12-04 |
Family
ID=9145325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA240,539A Expired CA1067293A (fr) | 1974-11-28 | 1975-11-26 | Methode d'injection d'une poudre apportant du carbone dans un bain metallique |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS51142411A (en:Method) |
| BE (1) | BE836110A (en:Method) |
| BR (1) | BR7507824A (en:Method) |
| CA (1) | CA1067293A (en:Method) |
| DD (1) | DD121650A5 (en:Method) |
| DE (1) | DE2550467B2 (en:Method) |
| ES (1) | ES442800A1 (en:Method) |
| FR (1) | FR2292771A1 (en:Method) |
| GB (1) | GB1510500A (en:Method) |
| HU (1) | HU174689B (en:Method) |
| IT (1) | IT1050909B (en:Method) |
| LU (1) | LU73871A1 (en:Method) |
| MX (1) | MX3018E (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330326A (en) * | 1979-08-24 | 1982-05-18 | Eisenwerk-Gesellschaft Maximilianshutte Mbh. | Method and a means for introducing close-grained carbonaceous fuels into a molten iron bath |
| JPS57110608A (en) * | 1980-12-26 | 1982-07-09 | Kawasaki Steel Corp | Method for deoxidation in bottom blown converter |
| DE3143795C2 (de) * | 1981-11-04 | 1983-10-20 | Klöckner Stahlforschung GmbH, 8458 Sulzbach-Rosenberg | "Ventil zur Strömungsmittelzufuhr" |
| JPS5884916A (ja) * | 1981-11-13 | 1983-05-21 | Kawasaki Steel Corp | 底吹転炉加炭方法 |
| CN112226576B (zh) * | 2020-09-27 | 2023-07-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 一种利用挡渣系统喷碳脱氧的装置及方法 |
-
1974
- 1974-11-28 FR FR7438955A patent/FR2292771A1/fr active Granted
-
1975
- 1975-11-05 HU HU75CE1062A patent/HU174689B/hu unknown
- 1975-11-10 DE DE19752550467 patent/DE2550467B2/de not_active Ceased
- 1975-11-18 IT IT6984375A patent/IT1050909B/it active
- 1975-11-19 ES ES442800A patent/ES442800A1/es not_active Expired
- 1975-11-19 GB GB4763975A patent/GB1510500A/en not_active Expired
- 1975-11-21 JP JP14009975A patent/JPS51142411A/ja active Granted
- 1975-11-26 DD DD18971075A patent/DD121650A5/xx unknown
- 1975-11-26 LU LU73871A patent/LU73871A1/xx unknown
- 1975-11-26 CA CA240,539A patent/CA1067293A/fr not_active Expired
- 1975-11-26 BR BR7507824A patent/BR7507824A/pt unknown
- 1975-11-27 MX MX10010475U patent/MX3018E/es unknown
- 1975-11-28 BE BE162310A patent/BE836110A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5518765B2 (en:Method) | 1980-05-21 |
| ES442800A1 (es) | 1977-04-16 |
| BR7507824A (pt) | 1976-08-10 |
| GB1510500A (en) | 1978-05-10 |
| FR2292771A1 (fr) | 1976-06-25 |
| DE2550467A1 (de) | 1976-08-12 |
| LU73871A1 (en:Method) | 1976-06-11 |
| JPS51142411A (en) | 1976-12-08 |
| DE2550467B2 (de) | 1977-10-20 |
| BE836110A (fr) | 1976-05-28 |
| DD121650A5 (en:Method) | 1976-08-12 |
| IT1050909B (it) | 1981-03-20 |
| MX3018E (es) | 1980-02-07 |
| HU174689B (hu) | 1980-03-28 |
| FR2292771B1 (en:Method) | 1977-03-25 |
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