ES8303533A1 - Un procedimiento y una instalacion mejorados para reducir numeral u otros materiales que contienen oxidos de hierro. - Google Patents
Un procedimiento y una instalacion mejorados para reducir numeral u otros materiales que contienen oxidos de hierro.Info
- Publication number
- ES8303533A1 ES8303533A1 ES509830A ES509830A ES8303533A1 ES 8303533 A1 ES8303533 A1 ES 8303533A1 ES 509830 A ES509830 A ES 509830A ES 509830 A ES509830 A ES 509830A ES 8303533 A1 ES8303533 A1 ES 8303533A1
- Authority
- ES
- Spain
- Prior art keywords
- char
- fixed carbon
- optimum
- coal
- discharge
- 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 abstract 5
- 238000011946 reduction process Methods 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
- 229910052799 carbon Inorganic materials 0.000 abstract 3
- 239000003245 coal Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 1
- 235000013980 iron oxide Nutrition 0.000 abstract 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000002699 waste material 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
- C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast 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)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
PROCEDIMIENTO PARA REDUCIR MINERAL U OTROS MATERIALES QUE CONTIENEN OXIDOS DE HIERRO. SE COMPRUEBA LA CANTIDAD Y LA ALIMENTACION DE LAS ESCORIAS DE HULLA DE RECIRCULACION ENCONTRADAS EN LOS MATERIALES DESCARGADOS DE UN HORNO ROTATIVO DE REDUCCION DIRECTA DE MINERALES Y OTROS MATERIALES QUE CONTIENEN OXIDO DE HIERRO, UTILIZANDO UN MATERIAL CARBONOSO, TAL COMO CARBON, COMO FUENTE TANTO DEL COMBUSTIBLE COMO DEL AGENTE REDUCTOR, JUNTO CON GASES QUE CONTIENEN OXIGENO. EL CONTENIDO DE CARBONO FIJO EN LOS MATERIALES DE DESCARGA TOTALES DEBE MANTENERSE DENTRO DEL INTERVALO DEL 5 AL 15% EN PESO. EL AGENTE REDUCTOR CARBONIZADO SE RECUPERA DE LOS MATERIALES DESCARGADOS DESDE EL EXTREMO DE DESCARGA DEL HORNO Y SE ALIMENTA A UNA TOLVA DE RECIRCULACION PARA SU RETORNO AL PROCESO.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/244,154 US4356031A (en) | 1981-03-16 | 1981-03-16 | Apparatus and method for controlling the recycle char circuit in a direct reduction process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8303533A1 true ES8303533A1 (es) | 1983-02-01 |
| ES509830A0 ES509830A0 (es) | 1983-02-01 |
Family
ID=22921582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES509830A Granted ES509830A0 (es) | 1981-03-16 | 1982-02-23 | Un procedimiento y una instalacion mejorados para reducir numeral u otros materiales que contienen oxidos de hierro. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4356031A (es) |
| JP (1) | JPS57161015A (es) |
| KR (1) | KR830009229A (es) |
| BR (1) | BR8201408A (es) |
| ES (1) | ES509830A0 (es) |
| GR (1) | GR78292B (es) |
| PT (1) | PT74438B (es) |
| ZA (1) | ZA821200B (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2398266C (en) * | 2000-01-28 | 2009-02-03 | Pacific Edge Holdings Pty. Ltd. | Process for upgrading low rank carbonaceous material |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB888553A (en) * | 1959-04-25 | 1962-01-31 | Wibau Gmbh | Improvements in or relating to supervising apparatus for maintaining predetermined mixture proportions in the dry constituents of a mixture |
| US4170311A (en) * | 1978-01-19 | 1979-10-09 | Automatic Terminal Information Systems, Inc. | Level measuring system |
| US4304597A (en) * | 1980-03-20 | 1981-12-08 | The Direct Reduction Corporation | System for control of sinter formation in iron oxide reducing kilns |
-
1981
- 1981-03-16 US US06/244,154 patent/US4356031A/en not_active Expired - Fee Related
-
1982
- 1982-02-16 PT PT7443882A patent/PT74438B/pt unknown
- 1982-02-23 ES ES509830A patent/ES509830A0/es active Granted
- 1982-02-24 ZA ZA821200A patent/ZA821200B/xx unknown
- 1982-03-03 JP JP3372882A patent/JPS57161015A/ja active Pending
- 1982-03-15 BR BR8201408A patent/BR8201408A/pt unknown
- 1982-03-15 KR KR1019820001092A patent/KR830009229A/ko not_active Withdrawn
-
1983
- 1983-06-13 GR GR67365A patent/GR78292B/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PT74438B (en) | 1983-07-14 |
| ZA821200B (en) | 1983-01-26 |
| KR830009229A (ko) | 1983-12-19 |
| BR8201408A (pt) | 1983-02-01 |
| GR78292B (es) | 1984-09-26 |
| ES509830A0 (es) | 1983-02-01 |
| US4356031A (en) | 1982-10-26 |
| JPS57161015A (en) | 1982-10-04 |
| PT74438A (en) | 1982-03-01 |
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