AT379829B - Verfahren zur reduktion von feinteiligem eisenerz zu schwammeisenteilchen - Google Patents
Verfahren zur reduktion von feinteiligem eisenerz zu schwammeisenteilchenInfo
- Publication number
- AT379829B AT379829B AT0443680A AT443680A AT379829B AT 379829 B AT379829 B AT 379829B AT 0443680 A AT0443680 A AT 0443680A AT 443680 A AT443680 A AT 443680A AT 379829 B AT379829 B AT 379829B
- Authority
- AT
- Austria
- Prior art keywords
- piece
- reducing fine
- iron ore
- sponge
- particles
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/029—Introducing coolant gas in the shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/072,412 US4261734A (en) | 1979-09-04 | 1979-09-04 | Method of making sponge iron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA443680A ATA443680A (de) | 1985-07-15 |
| AT379829B true AT379829B (de) | 1986-03-10 |
Family
ID=22107384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT0443680A AT379829B (de) | 1979-09-04 | 1980-09-03 | Verfahren zur reduktion von feinteiligem eisenerz zu schwammeisenteilchen |
Country Status (29)
| Country | Link |
|---|---|
| US (1) | US4261734A (de) |
| JP (1) | JPS5818963B2 (de) |
| AR (1) | AR222719A1 (de) |
| AT (1) | AT379829B (de) |
| AU (1) | AU539025B2 (de) |
| BE (1) | BE885062A (de) |
| BR (1) | BR8005544A (de) |
| CA (1) | CA1152749A (de) |
| DD (1) | DD152943A5 (de) |
| DE (1) | DE3033336C2 (de) |
| EG (1) | EG14464A (de) |
| ES (1) | ES8106558A1 (de) |
| FR (1) | FR2464304A1 (de) |
| GB (1) | GB2058841B (de) |
| GR (1) | GR70218B (de) |
| IL (1) | IL60965A0 (de) |
| IN (1) | IN153084B (de) |
| IT (1) | IT1141026B (de) |
| MA (1) | MA18945A1 (de) |
| MX (1) | MX154187A (de) |
| NL (1) | NL8004761A (de) |
| NO (1) | NO802600L (de) |
| PL (1) | PL124750B1 (de) |
| RO (1) | RO81347B (de) |
| SE (1) | SE448469B (de) |
| SU (1) | SU995708A3 (de) |
| YU (1) | YU217180A (de) |
| ZA (1) | ZA805061B (de) |
| ZM (1) | ZM7380A1 (de) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5850162A (ja) * | 1981-09-22 | 1983-03-24 | Kobe Steel Ltd | 銅系材料の連続鋳造押出方法 |
| MX156697A (es) * | 1982-05-12 | 1988-09-27 | Hylsa Sa | Metodo mejorado para la reduccion directa de minerales de hierro |
| US4528030A (en) * | 1983-05-16 | 1985-07-09 | Hylsa, S.A. | Method of reducing iron ore |
| US4556417A (en) * | 1983-05-17 | 1985-12-03 | Hylsa, S.A. | Process for the direct reduction of iron ores |
| US4536213A (en) * | 1984-09-10 | 1985-08-20 | Mildrex International, B.V. | Reforming of higher hydrocarbons for metal oxide reduction |
| AT382166B (de) * | 1985-05-13 | 1987-01-26 | Voest Alpine Ag | Verfahren zur direktreduktion von teilchenf¯rmigem eisenoxidhaeltigem material |
| US4752329A (en) * | 1986-03-21 | 1988-06-21 | Midrex International B.V. Rotterdam, Zurich Branch | Apparatus and method for increasing carbon content of hot directly reduced iron |
| US4702766A (en) * | 1986-03-21 | 1987-10-27 | Midrex International, B.V. Rotterdam, Zurich Branch | Method of increasing carbon content of direct reduced iron and apparatus |
| CA1336359C (en) * | 1987-11-02 | 1995-07-25 | Corporacion Venezolana De Guayana (Cvg) | Method and apparatus for the direct reduction of iron |
| US5064467A (en) * | 1987-11-02 | 1991-11-12 | C.V.G. Siderurgica Del Orinoco, C.A. | Method and apparatus for the direct reduction of iron |
| US5069716A (en) * | 1989-12-22 | 1991-12-03 | C.V.G. Siderurgica Del Orinoco, C.A. | Process for the production of liquid steel from iron containing metal oxides |
| US5078788A (en) * | 1989-12-22 | 1992-01-07 | C.V.G. Siderurgica Del Orinoco, C.A. | Method for the direct reduction of iron |
| DE102007032419B4 (de) * | 2007-07-10 | 2013-02-21 | Outotec Oyj | Verfahren und Anlage zur Reduktion von eisenoxidhaltigen Feststoffen |
| CN103103305B (zh) * | 2013-03-05 | 2014-07-30 | 周广砥 | 烷烃加热式还原海绵铁竖炉 |
| RU2590029C1 (ru) * | 2015-01-12 | 2016-07-10 | Общество с ограниченной ответственностью "Научно-производственное внедренческое предприятие ТОРЭКС" | Способ получения губчатого железа и шахтная печь для его осуществления |
| TW202325858A (zh) * | 2021-10-14 | 2023-07-01 | 日商日本製鐵股份有限公司 | 還原鐵之製造方法 |
| CN114107590B (zh) * | 2021-11-26 | 2023-01-10 | 钢铁研究总院 | 一种球团氧化焙烧-纯氢还原冷却系统和方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2311850A (en) * | 1941-05-01 | 1943-02-23 | United Merchants & Mfg | Flock printing |
| DE1201377B (de) * | 1961-11-23 | 1965-09-23 | Huettenwerk Oberhausen Ag | Verfahren und Anlage zur Herstellung von Eisen-schwamm aus Eisenerz in einem Reduktions-schacht mittels Reduktionsgas |
| US3375098A (en) * | 1964-07-22 | 1968-03-26 | Armco Steel Corp | Gaseous reduction of iron ores |
| US3827879A (en) * | 1973-02-22 | 1974-08-06 | Fierro Esponja | Method for the gaseous reduction of metal ores |
| US4046557A (en) * | 1975-09-08 | 1977-09-06 | Midrex Corporation | Method for producing metallic iron particles |
| US4054444A (en) * | 1975-09-22 | 1977-10-18 | Midrex Corporation | Method for controlling the carbon content of directly reduced iron |
| JPS52155116A (en) * | 1976-06-18 | 1977-12-23 | Kobe Steel Ltd | Reduced iron preparation using hydrocarbon gas as reducing agent |
| US4150972A (en) * | 1977-11-17 | 1979-04-24 | Fierro Esponja, S.A. | Controlling carburization in the reduction of iron ore to sponge iron |
| US4160663A (en) * | 1978-02-21 | 1979-07-10 | Jack Hsieh | Method for the direct reduction of iron ore |
-
1979
- 1979-09-04 US US06/072,412 patent/US4261734A/en not_active Expired - Lifetime
-
1980
- 1980-08-18 ZA ZA00805061A patent/ZA805061B/xx unknown
- 1980-08-22 AU AU61683/80A patent/AU539025B2/en not_active Ceased
- 1980-08-22 NL NL8004761A patent/NL8004761A/nl not_active Application Discontinuation
- 1980-08-27 SE SE8005992A patent/SE448469B/sv not_active IP Right Cessation
- 1980-08-28 IT IT24345/80A patent/IT1141026B/it active
- 1980-08-29 YU YU02171/80A patent/YU217180A/xx unknown
- 1980-09-01 AR AR282378A patent/AR222719A1/es active
- 1980-09-01 BR BR8005544A patent/BR8005544A/pt unknown
- 1980-09-02 EG EG535/80A patent/EG14464A/xx active
- 1980-09-02 GR GR62796A patent/GR70218B/el unknown
- 1980-09-03 NO NO802600A patent/NO802600L/no unknown
- 1980-09-03 MX MX183798A patent/MX154187A/es unknown
- 1980-09-03 AT AT0443680A patent/AT379829B/de not_active IP Right Cessation
- 1980-09-03 BE BE0/201967A patent/BE885062A/fr not_active IP Right Cessation
- 1980-09-03 SU SU802979298A patent/SU995708A3/ru active
- 1980-09-03 RO RO102088A patent/RO81347B/ro unknown
- 1980-09-03 IL IL60965A patent/IL60965A0/xx unknown
- 1980-09-03 IN IN1007/CAL/80A patent/IN153084B/en unknown
- 1980-09-03 ZM ZM73/80A patent/ZM7380A1/xx unknown
- 1980-09-03 JP JP55122213A patent/JPS5818963B2/ja not_active Expired
- 1980-09-04 DD DD80223722A patent/DD152943A5/de unknown
- 1980-09-04 ES ES494772A patent/ES8106558A1/es not_active Expired
- 1980-09-04 DE DE3033336A patent/DE3033336C2/de not_active Expired
- 1980-09-04 PL PL1980226581A patent/PL124750B1/pl unknown
- 1980-09-04 CA CA000359554A patent/CA1152749A/en not_active Expired
- 1980-09-04 FR FR8019148A patent/FR2464304A1/fr active Granted
- 1980-09-04 GB GB8028556A patent/GB2058841B/en not_active Expired
- 1980-09-04 MA MA19146A patent/MA18945A1/fr unknown
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |