NO772760L - Fremgangsm}te for anriking av jernmalmpellets - Google Patents
Fremgangsm}te for anriking av jernmalmpelletsInfo
- Publication number
- NO772760L NO772760L NO772760A NO772760A NO772760L NO 772760 L NO772760 L NO 772760L NO 772760 A NO772760 A NO 772760A NO 772760 A NO772760 A NO 772760A NO 772760 L NO772760 L NO 772760L
- Authority
- NO
- Norway
- Prior art keywords
- pellets
- oxygen
- grate
- periphery
- zone
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 18
- 229910052742 iron Inorganic materials 0.000 title description 9
- 239000008188 pellet Substances 0.000 claims description 72
- 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 14
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 9
- 238000001354 calcination Methods 0.000 claims description 4
- 229910000805 Pig iron Inorganic materials 0.000 claims description 2
- 238000005453 pelletization Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 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
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression 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
- 239000000567 combustion gas Substances 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
- 239000010419 fine particle Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process 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
- 230000008901 benefit 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
- -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
- 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
- 230000000717 retained 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71213876A | 1976-08-06 | 1976-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO772760L true NO772760L (no) | 1978-02-07 |
Family
ID=24860904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO772760A NO772760L (no) | 1976-08-06 | 1977-08-05 | Fremgangsm}te for anriking av jernmalmpellets |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS5319121A (fi) |
| AU (1) | AU505913B2 (fi) |
| BE (1) | BE857557A (fi) |
| BR (1) | BR7705181A (fi) |
| CA (1) | CA1095256A (fi) |
| DE (1) | DE2735466A1 (fi) |
| ES (1) | ES461384A1 (fi) |
| FI (1) | FI772370A (fi) |
| FR (1) | FR2360678A1 (fi) |
| GB (1) | GB1527070A (fi) |
| NL (1) | NL7708714A (fi) |
| NO (1) | NO772760L (fi) |
| SE (1) | SE7708934L (fi) |
| ZA (1) | ZA774355B (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432788A (en) * | 1981-04-23 | 1984-02-21 | Nippon Kokan Kabushiki Kaisha | Method for manufacturing non-fired iron-bearing pellet |
-
1977
- 1977-07-19 ZA ZA00774355A patent/ZA774355B/xx unknown
- 1977-08-04 CA CA284,070A patent/CA1095256A/en not_active Expired
- 1977-08-05 DE DE19772735466 patent/DE2735466A1/de active Pending
- 1977-08-05 SE SE7708934A patent/SE7708934L/ unknown
- 1977-08-05 FI FI772370A patent/FI772370A/fi not_active Application Discontinuation
- 1977-08-05 ES ES461384A patent/ES461384A1/es not_active Expired
- 1977-08-05 BE BE179970A patent/BE857557A/xx unknown
- 1977-08-05 AU AU27666/77A patent/AU505913B2/en not_active Expired
- 1977-08-05 NL NL7708714A patent/NL7708714A/xx not_active Application Discontinuation
- 1977-08-05 BR BR7705181A patent/BR7705181A/pt unknown
- 1977-08-05 JP JP9347377A patent/JPS5319121A/ja active Pending
- 1977-08-05 FR FR7724255A patent/FR2360678A1/fr not_active Withdrawn
- 1977-08-05 NO NO772760A patent/NO772760L/no unknown
- 1977-08-05 GB GB32852/77A patent/GB1527070A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU2766677A (en) | 1979-02-08 |
| FR2360678A1 (fr) | 1978-03-03 |
| CA1095256A (en) | 1981-02-10 |
| GB1527070A (en) | 1978-10-04 |
| BE857557A (fr) | 1978-02-06 |
| NL7708714A (nl) | 1978-02-08 |
| AU505913B2 (en) | 1979-12-06 |
| ES461384A1 (es) | 1978-05-01 |
| JPS5319121A (en) | 1978-02-22 |
| SE7708934L (sv) | 1978-02-07 |
| DE2735466A1 (de) | 1978-02-09 |
| FI772370A (fi) | 1978-02-07 |
| BR7705181A (pt) | 1978-05-30 |
| ZA774355B (en) | 1978-06-28 |
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