NO132595B - - Google Patents
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- Publication number
- NO132595B NO132595B NO740828A NO740828A NO132595B NO 132595 B NO132595 B NO 132595B NO 740828 A NO740828 A NO 740828A NO 740828 A NO740828 A NO 740828A NO 132595 B NO132595 B NO 132595B
- Authority
- NO
- Norway
- Prior art keywords
- converter
- molten metal
- channel
- nozzle
- heating
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 99
- 229910052751 metal Inorganic materials 0.000 claims description 99
- 238000010438 heat treatment Methods 0.000 claims description 65
- 239000012530 fluid Substances 0.000 claims description 27
- 230000006698 induction Effects 0.000 claims description 23
- 239000000725 suspension Substances 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 10
- 238000010079 rubber tapping Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 6
- 238000005187 foaming Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 239000000843 powder Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 229910000805 Pig iron Inorganic materials 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 238000011282 treatment Methods 0.000 description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000002893 slag Substances 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000012159 carrier gas Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010310 metallurgical process Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910014813 CaC2 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000006366 phosphorylation reaction Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- 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
- C21C5/42—Constructional features of converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Furnace Details (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7502391A SE413143B (sv) | 1974-03-08 | 1975-03-04 | Tippbar konverter for behandling av en metallsmelta med en suspension av gas och fasta emnen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7303382A SE371211B (fi) | 1973-03-12 | 1973-03-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO132595B true NO132595B (fi) | 1975-08-25 |
| NO132595C NO132595C (fi) | 1975-12-03 |
Family
ID=20316866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO740828A NO132595C (fi) | 1973-03-12 | 1974-03-08 |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US3918692A (fi) |
| JP (1) | JPS5651218B2 (fi) |
| AT (1) | AT337237B (fi) |
| BE (1) | BE812202A (fi) |
| BR (1) | BR7401856D0 (fi) |
| CA (1) | CA1015013A (fi) |
| CS (1) | CS196250B2 (fi) |
| DE (1) | DE2411507C2 (fi) |
| ES (1) | ES424151A1 (fi) |
| FR (1) | FR2221521B1 (fi) |
| GB (1) | GB1433089A (fi) |
| IN (1) | IN141752B (fi) |
| IT (1) | IT1007646B (fi) |
| LU (1) | LU69603A1 (fi) |
| NL (1) | NL7403330A (fi) |
| NO (1) | NO132595C (fi) |
| PL (1) | PL90997B1 (fi) |
| SE (1) | SE371211B (fi) |
| SU (1) | SU725571A3 (fi) |
| ZA (1) | ZA741560B (fi) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE392479B (sv) * | 1974-03-20 | 1977-03-28 | Asea Ab | Forma vid metallurgiska konvertrar och smeltugnar |
| SE396226B (sv) * | 1974-09-20 | 1977-09-12 | Asea Ab | Sett och anordning for behandling av en metallsmelta |
| SE397684B (sv) * | 1974-10-29 | 1977-11-14 | Asea Ab | Metallurgisk konverter med forma enligt patentet 7403730-0 |
| SE424916B (sv) * | 1975-02-25 | 1982-08-16 | Asea Ab | Sett och anordning for verming av elektriskt icke ledande material i induktionsugn |
| JPS5428707A (en) * | 1977-08-08 | 1979-03-03 | Tokyo Yogyo Kk | Container for molten metal for use in iron producing process |
| JPS63186765U (fi) * | 1987-05-26 | 1988-11-30 | ||
| US5177763A (en) * | 1990-03-28 | 1993-01-05 | Kawasaki Steel Corporation | Furnace bottom structure of direct current electric furnace |
| US5055253A (en) * | 1990-07-17 | 1991-10-08 | Nelson & Associates Research, Inc. | Metallic composition |
| US5182079A (en) * | 1990-07-17 | 1993-01-26 | Nelson & Associates Research, Inc. | Metallic composition and processes for use of the same |
| US5505798A (en) * | 1994-06-22 | 1996-04-09 | Jerry L. Nelson | Method of producing a tool or die steel |
| FR2726211B1 (fr) * | 1994-10-31 | 1997-01-17 | Seva | Une poche de chauffage et de coulee de metaux liquides |
| DE19628339C1 (de) * | 1996-07-13 | 1998-01-08 | Didier Werke Ag | Konverter |
| DE19736720C1 (de) * | 1997-08-19 | 1999-05-06 | Mannesmann Ag | Metallurgisches Gefäß |
| CA2490024A1 (en) * | 2002-06-15 | 2003-12-24 | Solios Thermal Limited | Electromagnetic induction apparatus and method of treatment of molten materials |
| KR101943088B1 (ko) * | 2011-08-15 | 2019-01-28 | 콘삭 코퍼레이션 | 전기 유도 용해 어셈블리 |
| SE537146C2 (sv) * | 2012-05-08 | 2015-02-17 | Uvån Holding Ab | Metod för selektiv oxidation av en eller flera metaller frånen järnsmälta |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1031257A (en) * | 1909-10-25 | 1912-07-02 | Albert E Greene | Process and apparatus for extracting and refining metals and alloys. |
| US1769223A (en) * | 1922-08-23 | 1930-07-01 | Ajax Metal Company | Electric furnace process and apparatus |
| US1958581A (en) * | 1932-04-18 | 1934-05-15 | Cass L Kennicott | Ore treatment |
| FR1125154A (fr) * | 1955-04-28 | 1956-10-25 | Siderurgie Fse Inst Rech | Procédé pour désulfurer les métaux en fusion et en particulièr la fonte |
| DE2007373B2 (de) * | 1970-02-18 | 1973-05-03 | Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg | Verfahren und konverter zum herstellen ferritischer chromstaehle |
-
1973
- 1973-03-12 SE SE7303382A patent/SE371211B/xx unknown
-
1974
- 1974-03-08 NO NO740828A patent/NO132595C/no unknown
- 1974-03-11 ES ES424151A patent/ES424151A1/es not_active Expired
- 1974-03-11 DE DE2411507A patent/DE2411507C2/de not_active Expired
- 1974-03-11 CA CA194,637A patent/CA1015013A/en not_active Expired
- 1974-03-11 ZA ZA00741560A patent/ZA741560B/xx unknown
- 1974-03-11 GB GB1079974A patent/GB1433089A/en not_active Expired
- 1974-03-11 US US450234A patent/US3918692A/en not_active Expired - Lifetime
- 1974-03-11 CS CS741740A patent/CS196250B2/cs unknown
- 1974-03-11 FR FR7408124A patent/FR2221521B1/fr not_active Expired
- 1974-03-11 LU LU69603A patent/LU69603A1/xx unknown
- 1974-03-11 SU SU742011875A patent/SU725571A3/ru active
- 1974-03-12 AT AT202674A patent/AT337237B/de not_active IP Right Cessation
- 1974-03-12 NL NL7403330A patent/NL7403330A/xx not_active Application Discontinuation
- 1974-03-12 JP JP2843574A patent/JPS5651218B2/ja not_active Expired
- 1974-03-12 PL PL1974169451A patent/PL90997B1/pl unknown
- 1974-03-12 BE BE141926A patent/BE812202A/xx not_active IP Right Cessation
- 1974-03-12 BR BR1856/74A patent/BR7401856D0/pt unknown
- 1974-03-13 IN IN541/CAL/74A patent/IN141752B/en unknown
- 1974-04-08 IT IT20628/74*7A patent/IT1007646B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| SE371211B (fi) | 1974-11-11 |
| ZA741560B (en) | 1975-02-26 |
| DE2411507A1 (de) | 1974-09-26 |
| IN141752B (fi) | 1977-04-09 |
| SU725571A1 (ru) | 1980-03-30 |
| ATA202674A (de) | 1976-10-15 |
| LU69603A1 (fi) | 1974-07-10 |
| NL7403330A (fi) | 1974-09-16 |
| FR2221521A1 (fi) | 1974-10-11 |
| CA1015013A (en) | 1977-08-02 |
| AT337237B (de) | 1977-06-27 |
| JPS5651218B2 (fi) | 1981-12-03 |
| JPS5047802A (fi) | 1975-04-28 |
| NO132595C (fi) | 1975-12-03 |
| US3918692A (en) | 1975-11-11 |
| ES424151A1 (es) | 1976-06-01 |
| BR7401856D0 (pt) | 1974-12-03 |
| DE2411507C2 (de) | 1985-07-11 |
| IT1007646B (it) | 1976-10-30 |
| AU6652674A (en) | 1975-09-11 |
| CS196250B2 (en) | 1980-03-31 |
| PL90997B1 (fi) | 1977-02-28 |
| SU725571A3 (en) | 1980-03-30 |
| BE812202A (fr) | 1974-09-12 |
| GB1433089A (en) | 1976-04-22 |
| FR2221521B1 (fi) | 1977-09-23 |
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