NO772759L - Fremgangsm}te for anriking av jernmalmpellets - Google Patents
Fremgangsm}te for anriking av jernmalmpelletsInfo
- Publication number
- NO772759L NO772759L NO772759A NO772759A NO772759L NO 772759 L NO772759 L NO 772759L NO 772759 A NO772759 A NO 772759A NO 772759 A NO772759 A NO 772759A NO 772759 L NO772759 L NO 772759L
- Authority
- NO
- Norway
- Prior art keywords
- pellets
- grate
- oxygen
- periphery
- zone
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 20
- 229910052742 iron Inorganic materials 0.000 title description 10
- 239000008188 pellet Substances 0.000 claims description 73
- 229910052760 oxygen Inorganic materials 0.000 claims description 33
- 239000001301 oxygen Substances 0.000 claims description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 32
- 229910052595 hematite Inorganic materials 0.000 claims description 16
- 239000011019 hematite Substances 0.000 claims description 16
- 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 16
- 239000007789 gas Substances 0.000 claims description 13
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 9
- 229910000805 Pig iron Inorganic materials 0.000 claims description 2
- 230000008569 process Effects 0.000 description 11
- 238000005453 pelletization Methods 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 210000003813 thumb Anatomy 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012360 testing method Methods 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
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005245 sintering Methods 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
- 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
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012476 oxidizable substance 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
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 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
- 238000011144 upstream manufacturing Methods 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 |
|---|---|---|---|
| US71213776A | 1976-08-06 | 1976-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO772759L true NO772759L (no) | 1978-02-07 |
Family
ID=24860897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO772759A NO772759L (no) | 1976-08-06 | 1977-08-05 | Fremgangsm}te for anriking av jernmalmpellets |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5319120A (fr) |
| AU (1) | AU505875B2 (fr) |
| BE (1) | BE857556A (fr) |
| BR (1) | BR7705179A (fr) |
| CA (1) | CA1095255A (fr) |
| DE (1) | DE2735370A1 (fr) |
| ES (1) | ES461385A1 (fr) |
| FI (1) | FI772371A7 (fr) |
| FR (1) | FR2360677A1 (fr) |
| NL (1) | NL7708715A (fr) |
| NO (1) | NO772759L (fr) |
| SE (1) | SE7708933L (fr) |
| ZA (1) | ZA774460B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU558199B2 (en) * | 1982-09-16 | 1987-01-22 | Ishihara Sangyo Kaisha Ltd. | Production of magnetic powder |
| US4774012A (en) * | 1986-01-30 | 1988-09-27 | Ishihara Sangyo Kaisha, Ltd. | Cobalt-containing ferromagnetic iron oxide powder and process for producing the same |
-
1977
- 1977-07-22 ZA ZA00774460A patent/ZA774460B/xx unknown
- 1977-08-04 CA CA284,069A patent/CA1095255A/fr not_active Expired
- 1977-08-05 DE DE19772735370 patent/DE2735370A1/de active Pending
- 1977-08-05 NL NL7708715A patent/NL7708715A/xx not_active Application Discontinuation
- 1977-08-05 NO NO772759A patent/NO772759L/no unknown
- 1977-08-05 JP JP9347277A patent/JPS5319120A/ja active Pending
- 1977-08-05 BR BR7705179A patent/BR7705179A/pt unknown
- 1977-08-05 FR FR7724259A patent/FR2360677A1/fr not_active Withdrawn
- 1977-08-05 BE BE179969A patent/BE857556A/fr unknown
- 1977-08-05 ES ES461385A patent/ES461385A1/es not_active Expired
- 1977-08-05 AU AU27665/77A patent/AU505875B2/en not_active Expired
- 1977-08-05 FI FI772371A patent/FI772371A7/fi not_active Application Discontinuation
- 1977-08-05 SE SE7708933A patent/SE7708933L/ not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| ZA774460B (en) | 1978-06-28 |
| NL7708715A (nl) | 1978-02-08 |
| FR2360677A1 (fr) | 1978-03-03 |
| CA1095255A (fr) | 1981-02-10 |
| SE7708933L (sv) | 1978-02-07 |
| AU505875B2 (en) | 1979-12-06 |
| BE857556A (fr) | 1978-02-06 |
| FI772371A7 (fr) | 1978-02-07 |
| JPS5319120A (en) | 1978-02-22 |
| BR7705179A (pt) | 1978-05-30 |
| DE2735370A1 (de) | 1978-02-09 |
| ES461385A1 (es) | 1978-05-16 |
| AU2766577A (en) | 1979-02-08 |
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