EP1930449A3 - Shaft furnace - Google Patents
Shaft furnace Download PDFInfo
- Publication number
- EP1930449A3 EP1930449A3 EP07023877A EP07023877A EP1930449A3 EP 1930449 A3 EP1930449 A3 EP 1930449A3 EP 07023877 A EP07023877 A EP 07023877A EP 07023877 A EP07023877 A EP 07023877A EP 1930449 A3 EP1930449 A3 EP 1930449A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft furnace
- gas
- line
- gas bustle
- bustle
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
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
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/005—Shaft or like vertical or substantially vertical furnaces wherein no smelting of the charge occurs, e.g. calcining or sintering furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/16—Arrangements of tuyeres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/18—Arrangements of dust collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Heat Treatment Of Articles (AREA)
- Compressor (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IR138538200 | 2006-12-11 | ||
DE102006062689A DE102006062689B4 (en) | 2006-12-21 | 2006-12-21 | Shaft furnace for the direct reduction of iron oxide |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1930449A2 EP1930449A2 (en) | 2008-06-11 |
EP1930449A3 true EP1930449A3 (en) | 2009-01-07 |
EP1930449B1 EP1930449B1 (en) | 2012-06-27 |
Family
ID=83229110
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07023875A Active EP1930448B1 (en) | 2006-12-11 | 2007-12-10 | Shaft furnace |
EP07023876A Active EP1930678B1 (en) | 2006-12-11 | 2007-12-10 | Shaft furnace |
EP07023877A Active EP1930449B1 (en) | 2006-12-11 | 2007-12-10 | Shaft furnace |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07023875A Active EP1930448B1 (en) | 2006-12-11 | 2007-12-10 | Shaft furnace |
EP07023876A Active EP1930678B1 (en) | 2006-12-11 | 2007-12-10 | Shaft furnace |
Country Status (4)
Country | Link |
---|---|
EP (3) | EP1930448B1 (en) |
AT (1) | ATE473302T1 (en) |
DE (4) | DE202007019472U1 (en) |
ES (3) | ES2386466T3 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101556108B (en) * | 2009-05-25 | 2010-12-01 | 四川大学 | Vertical kiln and technique for preparing phosphoric acid by vertical kiln method |
WO2018085514A1 (en) * | 2016-11-03 | 2018-05-11 | Midrex Technologies, Inc. | Direct reduction process and shaft furnace utilizing an extended flow diverter cone |
CN109182634B (en) * | 2018-09-20 | 2023-08-15 | 中晋冶金科技有限公司 | Efficient gas-based shaft furnace direct reduction iron-making system and method |
US20210301358A1 (en) * | 2020-03-24 | 2021-09-30 | Midrex Technologies, Inc. | Methods and systems for increasing the carbon content of direct reduced iron in a reduction furnace |
CN116769994B (en) * | 2023-08-25 | 2023-11-17 | 山西冶金工程技术有限公司 | Material loosening device of gas-based reduction shaft furnace |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1111251A (en) * | 1965-07-29 | 1968-04-24 | Huettenwerk Oberhausen Ag | Improvements in or relating to shaft furnaces for the direct reduction of iron ore |
GB1269841A (en) * | 1968-06-24 | 1972-04-06 | Midland Ross Corp | Method of and apparatus for reducing iron oxide to metallic iron |
GB2016124A (en) * | 1978-03-11 | 1979-09-19 | Hamburger Stahlwerke Gmbh | Rocess and apparatus for the direct reduction of iron ores |
WO2000036159A1 (en) * | 1998-12-11 | 2000-06-22 | Danieli & C. Officine Meccaniche S.P.A. | Method and apparatus for the direct reduction of mineral iron with optimized injection of reducing gas |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA874354A (en) * | 1971-06-29 | Huttenwerk Oberhausen Ag | Furnace for direct reduction of iron ores | |
AU459472B2 (en) * | 1971-03-29 | 1975-03-11 | Nippon Koran Kabushiki Kaisha | A combustion process and apparatus for blast furnaces |
AT342632B (en) * | 1973-11-06 | 1978-04-10 | Bischoff Gasreinigung | FLOOR GAS PURIFICATION SYSTEM FOR PRESSURE FURNACES |
JPS5814485B2 (en) * | 1975-08-29 | 1983-03-19 | イシカワジマハリマジユウコウギヨウ カブシキガイシヤ | Youkouro |
US4054444A (en) | 1975-09-22 | 1977-10-18 | Midrex Corporation | Method for controlling the carbon content of directly reduced iron |
JPS5260204A (en) * | 1975-11-13 | 1977-05-18 | Ishikawajima Harima Heavy Ind Co Ltd | Dust remover for blast furnace |
JPS5832205B2 (en) * | 1976-01-09 | 1983-07-12 | 石川島播磨重工業株式会社 | Blast furnace gas collection device |
US4536213A (en) * | 1984-09-10 | 1985-08-20 | Mildrex International, B.V. | Reforming of higher hydrocarbons for metal oxide reduction |
FR2702221B1 (en) * | 1993-03-03 | 1995-04-28 | Air Liquide | Process for obtaining metal from the blast furnace or cupola. |
US20020007699A1 (en) | 1997-09-05 | 2002-01-24 | Montague Stephen C. | Apparatus and method for optimizing the use of oxygen in the direct reduction of iron |
-
2007
- 2007-12-10 DE DE202007019472U patent/DE202007019472U1/en not_active Expired - Lifetime
- 2007-12-10 EP EP07023875A patent/EP1930448B1/en active Active
- 2007-12-10 EP EP07023876A patent/EP1930678B1/en active Active
- 2007-12-10 DE DE202007019452U patent/DE202007019452U1/en not_active Expired - Lifetime
- 2007-12-10 DE DE202007019169U patent/DE202007019169U1/en not_active Expired - Lifetime
- 2007-12-10 DE DE602007007561T patent/DE602007007561D1/en active Active
- 2007-12-10 AT AT07023875T patent/ATE473302T1/en active
- 2007-12-10 ES ES07023877T patent/ES2386466T3/en active Active
- 2007-12-10 ES ES07023875T patent/ES2346796T3/en active Active
- 2007-12-10 ES ES07023876T patent/ES2386464T3/en active Active
- 2007-12-10 EP EP07023877A patent/EP1930449B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1111251A (en) * | 1965-07-29 | 1968-04-24 | Huettenwerk Oberhausen Ag | Improvements in or relating to shaft furnaces for the direct reduction of iron ore |
GB1269841A (en) * | 1968-06-24 | 1972-04-06 | Midland Ross Corp | Method of and apparatus for reducing iron oxide to metallic iron |
GB2016124A (en) * | 1978-03-11 | 1979-09-19 | Hamburger Stahlwerke Gmbh | Rocess and apparatus for the direct reduction of iron ores |
WO2000036159A1 (en) * | 1998-12-11 | 2000-06-22 | Danieli & C. Officine Meccaniche S.P.A. | Method and apparatus for the direct reduction of mineral iron with optimized injection of reducing gas |
Also Published As
Publication number | Publication date |
---|---|
DE202007019169U1 (en) | 2010-11-11 |
EP1930678A3 (en) | 2008-12-31 |
ES2386464T3 (en) | 2012-08-21 |
EP1930449B1 (en) | 2012-06-27 |
ATE473302T1 (en) | 2010-07-15 |
DE202007019452U1 (en) | 2012-08-27 |
DE202007019472U1 (en) | 2012-10-12 |
EP1930448A2 (en) | 2008-06-11 |
ES2346796T3 (en) | 2010-10-20 |
ES2386466T3 (en) | 2012-08-21 |
EP1930449A2 (en) | 2008-06-11 |
DE602007007561D1 (en) | 2010-08-19 |
EP1930678B1 (en) | 2012-06-27 |
EP1930448B1 (en) | 2010-07-07 |
EP1930678A2 (en) | 2008-06-11 |
EP1930448A3 (en) | 2008-12-31 |
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