DE3709905C2 - - Google Patents
Info
- Publication number
- DE3709905C2 DE3709905C2 DE3709905A DE3709905A DE3709905C2 DE 3709905 C2 DE3709905 C2 DE 3709905C2 DE 3709905 A DE3709905 A DE 3709905A DE 3709905 A DE3709905 A DE 3709905A DE 3709905 C2 DE3709905 C2 DE 3709905C2
- Authority
- DE
- Germany
- Prior art keywords
- insert
- refractory
- gas
- furnace
- refractory material
- 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
- 239000011819 refractory material Substances 0.000 claims description 60
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 17
- 239000012811 non-conductive material Substances 0.000 claims description 10
- 238000007670 refining Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 62
- 238000002844 melting Methods 0.000 description 25
- 230000008018 melting Effects 0.000 description 25
- 239000011449 brick Substances 0.000 description 24
- 239000010410 layer Substances 0.000 description 12
- 238000009826 distribution Methods 0.000 description 11
- 230000006698 induction Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000012778 molding material Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N chromium(III) oxide Inorganic materials O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- 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
- 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
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- 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
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Furnace Charging Or Discharging (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61070570A JPS62227028A (ja) | 1986-03-28 | 1986-03-28 | 電気炉の底吹き用羽口 |
| JP61070569A JPS62227027A (ja) | 1986-03-28 | 1986-03-28 | 電気炉及び底吹き用羽口煉瓦 |
| JP1986099968U JPH0247436Y2 (en, 2012) | 1986-06-30 | 1986-06-30 | |
| JP61153597A JPS6311613A (ja) | 1986-06-30 | 1986-06-30 | 電気炉の底吹き用羽口構造 |
| JP1986120062U JPS6344450Y2 (en, 2012) | 1986-08-05 | 1986-08-05 | |
| JP1986171275U JPH0129233Y2 (en, 2012) | 1986-11-10 | 1986-11-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3709905A1 DE3709905A1 (de) | 1987-10-01 |
| DE3709905C2 true DE3709905C2 (en, 2012) | 1989-08-03 |
Family
ID=27551175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873709905 Granted DE3709905A1 (de) | 1986-03-28 | 1987-03-26 | Einsatz fuer einen raffinierofen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4735400A (en, 2012) |
| KR (1) | KR910001487B1 (en, 2012) |
| CA (1) | CA1285762C (en, 2012) |
| DE (1) | DE3709905A1 (en, 2012) |
| FR (1) | FR2596417B1 (en, 2012) |
| GB (1) | GB2188404B (en, 2012) |
| IT (1) | IT1205991B (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10108579A1 (de) * | 2001-02-22 | 2002-09-12 | Rhi Ag Wien | Feuerfester keramischer Körper und zugehöriges metallurgisches Schmelzgefäß |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8702601L (sv) * | 1987-06-23 | 1988-12-24 | Hoeganaes Ab | Metallurgisk dysa |
| US4840356A (en) * | 1988-06-13 | 1989-06-20 | Labate Michael D | Externally replaceable stirring plug for molten metal vessels |
| DE3911881C1 (en) * | 1989-04-11 | 1990-08-09 | Radex-Heraklith Industriebeteiligungs Ag, Wien, At | Fired gas flushing brick - for decarburisation of molten steel in vacuum vessel, comprises ceramic parallel tube lets |
| CA2014999C (en) * | 1989-04-24 | 1999-09-07 | Kenneth William Bates | Gas injector |
| IT1231837B (it) * | 1989-05-18 | 1992-01-14 | Radex Heraklith | Laterizio ceramico refrattario per insufflazione e procedimento per l'insufflazione di gas di trattamento in un crogiuolo metallurgico |
| DE3919238A1 (de) * | 1989-06-13 | 1990-12-20 | Voest Alpine Ind Anlagen | Spueleinrichtung fuer ein metallurgisches gefaess |
| US5171511A (en) * | 1990-12-12 | 1992-12-15 | Union Carbide Industrial Gases Technology Corporation | Tuyere and method for discharging gas into a furnace |
| JPH04314817A (ja) * | 1991-04-12 | 1992-11-06 | Kawasaki Refract Co Ltd | 冶金容器のガス吹込み攪拌装置 |
| DE4130397A1 (de) * | 1991-09-12 | 1993-03-18 | Kortec Ag | Gleichstromofen mit einer herdelektrode, herdelektrode und elektrodenblock sowie betriebsverfahren fuer diesen ofen |
| US5319669A (en) * | 1992-01-22 | 1994-06-07 | Stir-Melter, Inc. | Hazardous waste melter |
| US5423521A (en) * | 1992-05-19 | 1995-06-13 | Quigley Company, Inc. | Ceramic plug gas distribution device |
| WO2004111281A2 (en) * | 2003-06-11 | 2004-12-23 | Porvair Plc | Compact micro-porous media device degassing molten metal |
| US7585455B2 (en) * | 2005-12-06 | 2009-09-08 | Porvair Plc | Compact micro-porous media degasser |
| CN107745112B (zh) * | 2017-10-13 | 2020-01-17 | 武汉科技大学 | 狭缝式钢包透气砖 |
| US11821691B2 (en) * | 2018-09-21 | 2023-11-21 | Jfe Steel Corporation | Gas injection nozzle refractory and gas injection nozzle |
| EP3929313B1 (en) | 2019-04-05 | 2023-06-14 | JFE Steel Corporation | Refining vessel for high temperature melt |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1543169A (fr) * | 1964-02-06 | 1900-01-01 | Buse à tubes capillaires | |
| SE392479B (sv) * | 1974-03-20 | 1977-03-28 | Asea Ab | Forma vid metallurgiska konvertrar och smeltugnar |
| GB2102926B (en) * | 1981-06-03 | 1985-05-15 | Nippon Kokan Kk | Gas blowing nozzle, and production and usage thereof |
| AU567023B2 (en) * | 1982-03-29 | 1987-11-05 | Nippon Kokan Kabushiki Kaisha | Bottom blown gas blowing nozzle for maltev metal refining furnace and steel refining method using the same |
| FR2525755A1 (fr) * | 1982-04-23 | 1983-10-28 | Usinor | Four electrique a arc muni de moyens de brassage du bain metallique |
| GB2120369A (en) * | 1982-05-20 | 1983-11-30 | Ksr Int Ltd | An improved metallurgical lance |
| JPS60103108A (ja) * | 1983-11-10 | 1985-06-07 | Kawasaki Steel Corp | 溶解精錬炉または反応容器用ガス吹込み羽口 |
| DE3433123C2 (de) * | 1984-09-08 | 1986-11-27 | Bitter, Karl-Heinz, 4690 Herne | Blasstein für metallurgische Pfannen und Verfahren zu seinem Einfügen in die Zustellung |
| DE3505821C1 (de) * | 1985-02-20 | 1986-08-07 | Didier-Werke Ag, 6200 Wiesbaden | Huelse zum Einblasen von Feststoffen in eine Metallschmelze |
| GB8609063D0 (en) * | 1986-04-14 | 1986-05-21 | British Steel Corp | Injection elements for melt containing vessels |
-
1987
- 1987-03-17 US US07/027,277 patent/US4735400A/en not_active Expired - Fee Related
- 1987-03-19 GB GB8706539A patent/GB2188404B/en not_active Expired - Fee Related
- 1987-03-20 CA CA000532650A patent/CA1285762C/en not_active Expired - Lifetime
- 1987-03-26 DE DE19873709905 patent/DE3709905A1/de active Granted
- 1987-03-27 FR FR878704300A patent/FR2596417B1/fr not_active Expired - Fee Related
- 1987-03-27 IT IT8747782A patent/IT1205991B/it active
- 1987-03-28 KR KR1019870002968A patent/KR910001487B1/ko not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10108579A1 (de) * | 2001-02-22 | 2002-09-12 | Rhi Ag Wien | Feuerfester keramischer Körper und zugehöriges metallurgisches Schmelzgefäß |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1205991B (it) | 1989-04-05 |
| KR870009502A (ko) | 1987-10-27 |
| DE3709905A1 (de) | 1987-10-01 |
| GB2188404A (en) | 1987-09-30 |
| GB2188404B (en) | 1990-10-31 |
| CA1285762C (en) | 1991-07-09 |
| GB8706539D0 (en) | 1987-04-23 |
| US4735400A (en) | 1988-04-05 |
| KR910001487B1 (ko) | 1991-03-09 |
| IT8747782A0 (it) | 1987-03-27 |
| FR2596417A1 (fr) | 1987-10-02 |
| FR2596417B1 (fr) | 1990-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8128 | New person/name/address of the agent |
Representative=s name: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-IN |
|
| 8172 | Supplementary division/partition in: |
Ref country code: DE Ref document number: 3744694 Format of ref document f/p: P |
|
| Q171 | Divided out to: |
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|
| AH | Division in |
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|
| D2 | Grant after examination | ||
| AH | Division in |
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|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |