NO772761L - Fremgangsm}te for anriking av jernmalmpellets - Google Patents
Fremgangsm}te for anriking av jernmalmpelletsInfo
- Publication number
- NO772761L NO772761L NO772761A NO772761A NO772761L NO 772761 L NO772761 L NO 772761L NO 772761 A NO772761 A NO 772761A NO 772761 A NO772761 A NO 772761A NO 772761 L NO772761 L NO 772761L
- Authority
- NO
- Norway
- Prior art keywords
- approx
- furnace
- pellets
- zone
- oxygen
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract description 22
- 229910052742 iron Inorganic materials 0.000 title abstract description 11
- 239000008188 pellet Substances 0.000 claims abstract description 55
- 239000001301 oxygen Substances 0.000 claims description 32
- 229910052760 oxygen Inorganic materials 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 31
- 229910052595 hematite Inorganic materials 0.000 claims description 17
- 239000011019 hematite Substances 0.000 claims description 17
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 11
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 9
- 239000000567 combustion gas Substances 0.000 claims description 8
- 230000035515 penetration Effects 0.000 claims description 4
- 229910000805 Pig iron Inorganic materials 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 description 9
- 238000005453 pelletization Methods 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- -1 hematite Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2413—Binding; Briquetting ; Granulating enduration of pellets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/712,259 US4278462A (en) | 1976-08-06 | 1976-08-06 | Process for upgrading iron ore pellets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO772761L true NO772761L (no) | 1978-02-07 |
Family
ID=24861384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO772761A NO772761L (no) | 1976-08-06 | 1977-08-05 | Fremgangsm}te for anriking av jernmalmpellets |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4278462A (fi) |
| JP (1) | JPS5319122A (fi) |
| AU (1) | AU505914B2 (fi) |
| BE (1) | BE857564A (fi) |
| BR (1) | BR7705180A (fi) |
| CA (1) | CA1095254A (fi) |
| DE (1) | DE2735404A1 (fi) |
| ES (1) | ES461386A1 (fi) |
| FI (1) | FI772372A (fi) |
| FR (1) | FR2360679A1 (fi) |
| NL (1) | NL7708716A (fi) |
| NO (1) | NO772761L (fi) |
| SE (1) | SE7708935L (fi) |
| ZA (1) | ZA774502B (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8000882A (nl) * | 1980-02-13 | 1981-09-16 | Estel Hoogovens Bv | Werkwijze voor het agglomereren van vliegas. |
| CA1186153A (en) * | 1981-04-23 | 1985-04-30 | Michio Nakayama | Method and apparatus for manufacturing non-fired iron- bearing pellet |
| AT406780B (de) * | 1998-06-03 | 2000-09-25 | Voest Alpine Ind Anlagen | Verfahren und vorrichtung zur thermischen behandlung von agglomeraten |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US865658A (en) * | 1906-10-13 | 1907-09-10 | James Scott | Method of sintering ores |
| US926289A (en) * | 1908-06-27 | 1909-06-29 | Cyrus Robinson | Process for desulfurizing and agglomerating ores. |
| US1166903A (en) * | 1915-06-12 | 1916-01-04 | Philip O Harding | Method of agglomerating ores. |
| US1895284A (en) * | 1931-05-09 | 1933-01-24 | Isbell Porter Company | Direct heated vertical retort |
| US2532335A (en) * | 1945-07-03 | 1950-12-05 | Pickands Mather & Co | Process for heat-treating solids |
| US2533142A (en) * | 1945-07-19 | 1950-12-05 | Pickands Mather & Co | Heat-treating solids |
| US2595574A (en) * | 1948-05-22 | 1952-05-06 | Babcock & Wilcox Co | Solid material heating method and apparatus |
| US2624560A (en) * | 1949-01-18 | 1953-01-06 | Mckee & Co Arthur G | Shaft furnace |
| US2744743A (en) * | 1951-11-05 | 1956-05-08 | Erie Mining Co | Pellet indurating process and apparatus |
| US2789034A (en) * | 1954-03-30 | 1957-04-16 | Allied Chem & Dye Corp | Process and apparatus for converting finely divided metal sulfide ore into sulfur dioxide and agglomerates of low sulfur cinder |
| US3158463A (en) * | 1961-02-17 | 1964-11-24 | Falconbridge Nickel Mines Ltd | Agglomeration of ores |
| US3259483A (en) * | 1961-11-06 | 1966-07-05 | Kaiser Ind Corp | Method of sintering |
| DE1186219B (de) * | 1964-05-08 | 1965-01-28 | Otto & Co Gmbh Dr C | Verfahren und Vorrichtung zum Haerten von Erzpellets |
| US3365339A (en) * | 1965-08-16 | 1968-01-23 | Midland Ross Corp | Indurating ore fines pellets |
| JPS5126914B2 (fi) * | 1971-09-02 | 1976-08-09 | ||
| SU362053A1 (ru) * | 1971-09-13 | 1972-12-13 | Всесоюзная |
-
1976
- 1976-08-06 US US05/712,259 patent/US4278462A/en not_active Expired - Lifetime
-
1977
- 1977-07-25 ZA ZA00774502A patent/ZA774502B/xx unknown
- 1977-08-04 CA CA284,068A patent/CA1095254A/en not_active Expired
- 1977-08-05 NO NO772761A patent/NO772761L/no unknown
- 1977-08-05 JP JP9347577A patent/JPS5319122A/ja active Pending
- 1977-08-05 ES ES461386A patent/ES461386A1/es not_active Expired
- 1977-08-05 BE BE179977A patent/BE857564A/xx unknown
- 1977-08-05 FR FR7724256A patent/FR2360679A1/fr not_active Withdrawn
- 1977-08-05 DE DE19772735404 patent/DE2735404A1/de active Pending
- 1977-08-05 FI FI772372A patent/FI772372A/fi not_active Application Discontinuation
- 1977-08-05 SE SE7708935A patent/SE7708935L/ not_active Application Discontinuation
- 1977-08-05 BR BR7705180A patent/BR7705180A/pt unknown
- 1977-08-05 NL NL7708716A patent/NL7708716A/xx not_active Application Discontinuation
- 1977-08-05 AU AU27667/77A patent/AU505914B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA774502B (en) | 1978-06-28 |
| BR7705180A (pt) | 1978-05-30 |
| AU505914B2 (en) | 1979-12-06 |
| US4278462A (en) | 1981-07-14 |
| ES461386A1 (es) | 1978-05-16 |
| AU2766777A (en) | 1979-02-08 |
| NL7708716A (nl) | 1978-02-08 |
| SE7708935L (sv) | 1978-02-07 |
| JPS5319122A (en) | 1978-02-22 |
| FR2360679A1 (fr) | 1978-03-03 |
| FI772372A (fi) | 1978-02-07 |
| DE2735404A1 (de) | 1978-02-09 |
| CA1095254A (en) | 1981-02-10 |
| BE857564A (fr) | 1978-02-06 |
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