ZA77681B - Method and apparatus for determining percentage reduction in reduction reactor in iron ore reduction - Google Patents
Method and apparatus for determining percentage reduction in reduction reactor in iron ore reductionInfo
- Publication number
- ZA77681B ZA77681B ZA770681A ZA77681A ZA77681B ZA 77681 B ZA77681 B ZA 77681B ZA 770681 A ZA770681 A ZA 770681A ZA 77681 A ZA77681 A ZA 77681A ZA 77681 B ZA77681 B ZA 77681B
- Authority
- ZA
- South Africa
- Prior art keywords
- reduction
- iron ore
- reactor
- determining percentage
- determining
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/005—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods investigating the presence of an element by oxidation
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/12—Condition responsive control
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/20—Oxygen containing
- Y10T436/204998—Inorganic carbon compounds
- Y10T436/205831—Carbon monoxide only
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/21—Hydrocarbon
- Y10T436/214—Acyclic [e.g., methane, octane, isoparaffin, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69800176A | 1976-06-21 | 1976-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA77681B true ZA77681B (en) | 1977-12-28 |
Family
ID=24803503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA770681A ZA77681B (en) | 1976-06-21 | 1977-02-07 | Method and apparatus for determining percentage reduction in reduction reactor in iron ore reduction |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4121922A ( ) |
| JP (1) | JPS52156118A ( ) |
| AT (1) | AT367797B ( ) |
| BE (1) | BE851683A ( ) |
| BR (1) | BR7701056A ( ) |
| DK (1) | DK74877A ( ) |
| EG (1) | EG12700A ( ) |
| ES (1) | ES456875A1 ( ) |
| FR (1) | FR2355917A1 ( ) |
| GR (1) | GR72963B ( ) |
| IN (1) | IN147249B ( ) |
| SE (1) | SE7701335L ( ) |
| ZA (1) | ZA77681B ( ) |
| ZM (1) | ZM2277A1 ( ) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375983A (en) * | 1979-04-26 | 1983-03-08 | Hylsa, S.A. | Method of making sponge metal |
| US4419510A (en) * | 1982-07-30 | 1983-12-06 | The Dow Chemical Company | Method for controlling cellulose etherification reaction |
| US4410693A (en) * | 1982-08-12 | 1983-10-18 | The Dow Chemical Company | Process for preparing cellulose derivatives |
| US4891186A (en) * | 1986-05-20 | 1990-01-02 | Union Carbide Corporation | Reactor analysis system |
| US5055260A (en) * | 1986-05-20 | 1991-10-08 | Union Carbide Industrial Gases Technology Corporation | Reactor analysis system |
| SE2250624A1 (en) * | 2022-05-25 | 2023-11-26 | Hybrit Dev Ab | A method and an arrangement for a continuous production of sponge iron from iron ore |
| PL442531A1 (pl) * | 2022-10-14 | 2024-04-15 | Seco/Warwick Spółka Akcyjna | Sposób termicznej redukcji tlenków żelaza z użyciem wodoru oraz urządzenie do stosowania tego sposobu |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2900247A (en) * | 1957-08-05 | 1959-08-18 | Fierro Espouja Sa | Method of making sponge iron |
| US3157488A (en) * | 1960-09-27 | 1964-11-17 | Charlton A Taylor | Method for direct reduction of metal oxides |
| US3304170A (en) * | 1962-12-27 | 1967-02-14 | Hewlett Packard Co | Method for thermal reaction analysis |
| US3528800A (en) * | 1966-02-14 | 1970-09-15 | Leeds & Northrup Co | Optimized blowing control for basic oxygen furnaces |
| US3423201A (en) * | 1966-03-18 | 1969-01-21 | Fierro Esponja | Method for producing sponge iron |
| US3489518A (en) * | 1966-11-02 | 1970-01-13 | Koppers Co Inc | Carbon determination method and apparatus |
| US3522035A (en) * | 1966-12-14 | 1970-07-28 | Westinghouse Electric Corp | Determining operation of furnace vessel |
| GB1225690A ( ) * | 1967-10-18 | 1971-03-17 | ||
| US3601381A (en) * | 1969-05-15 | 1971-08-24 | Midland Ross Corp | Gas sampling device |
-
1976
- 1976-12-17 US US05/751,997 patent/US4121922A/en not_active Expired - Lifetime
-
1977
- 1977-02-07 SE SE7701335A patent/SE7701335L/ not_active Application Discontinuation
- 1977-02-07 ZA ZA770681A patent/ZA77681B/xx unknown
- 1977-02-09 IN IN188/CAL/77A patent/IN147249B/en unknown
- 1977-02-18 BR BR7701056A patent/BR7701056A/pt unknown
- 1977-02-19 EG EG94/77A patent/EG12700A/xx active
- 1977-02-21 DK DK74877A patent/DK74877A/da unknown
- 1977-02-22 ZM ZM22/77A patent/ZM2277A1/xx unknown
- 1977-02-22 BE BE1007968A patent/BE851683A/xx unknown
- 1977-02-22 JP JP1862377A patent/JPS52156118A/ja active Granted
- 1977-02-22 FR FR7705049A patent/FR2355917A1/fr active Granted
- 1977-02-22 GR GR52826A patent/GR72963B/el unknown
- 1977-02-22 AT AT0117477A patent/AT367797B/de not_active IP Right Cessation
- 1977-03-15 ES ES456875A patent/ES456875A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT367797B (de) | 1982-07-26 |
| BR7701056A (pt) | 1978-04-04 |
| ES456875A1 (es) | 1978-11-01 |
| FR2355917A1 (fr) | 1978-01-20 |
| ZM2277A1 (en) | 1977-11-21 |
| DK74877A (da) | 1977-12-22 |
| SE7701335L (sv) | 1977-12-22 |
| ATA117477A (de) | 1981-12-15 |
| GR72963B ( ) | 1984-01-19 |
| JPS5652083B2 ( ) | 1981-12-10 |
| EG12700A (en) | 1983-09-30 |
| FR2355917B1 ( ) | 1981-05-08 |
| IN147249B ( ) | 1979-12-29 |
| JPS52156118A (en) | 1977-12-26 |
| US4121922A (en) | 1978-10-24 |
| AU2237977A (en) | 1978-04-06 |
| BE851683A (fr) | 1977-08-22 |
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