NO134875B - - Google Patents
Download PDFInfo
- Publication number
- NO134875B NO134875B NO3841/73A NO384173A NO134875B NO 134875 B NO134875 B NO 134875B NO 3841/73 A NO3841/73 A NO 3841/73A NO 384173 A NO384173 A NO 384173A NO 134875 B NO134875 B NO 134875B
- Authority
- NO
- Norway
- Prior art keywords
- zone
- pellets
- fed
- gases
- furnace
- Prior art date
Links
- 239000008188 pellet Substances 0.000 claims abstract description 96
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 58
- 238000001035 drying Methods 0.000 claims description 30
- 230000003647 oxidation Effects 0.000 claims description 28
- 238000007254 oxidation reaction Methods 0.000 claims description 28
- 229910052595 hematite Inorganic materials 0.000 claims description 24
- 239000011019 hematite Substances 0.000 claims description 24
- 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 24
- 239000000446 fuel Substances 0.000 claims description 15
- 239000000567 combustion gas Substances 0.000 claims description 13
- 230000001590 oxidative effect Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29486472A | 1972-10-04 | 1972-10-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO134875B true NO134875B (ja) | 1976-09-20 |
| NO134875C NO134875C (no) | 1977-10-25 |
Family
ID=23135273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO3841/73A NO134875C (no) | 1972-10-04 | 1973-10-03 | Fremgangsm}te for fremstilling av h}rde, separate pellets fra findelt magnetitt-malm |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS5320922B2 (ja) |
| AR (1) | AR198326A1 (ja) |
| AU (1) | AU6089673A (ja) |
| BR (1) | BR7307728D0 (ja) |
| CA (1) | CA977974A (ja) |
| ES (1) | ES419352A1 (ja) |
| FR (1) | FR2202161B1 (ja) |
| GB (1) | GB1439488A (ja) |
| IN (1) | IN138849B (ja) |
| IT (1) | IT996254B (ja) |
| NO (1) | NO134875C (ja) |
| OA (1) | OA04484A (ja) |
| SE (1) | SE396406B (ja) |
| SU (1) | SU494872A3 (ja) |
| TR (1) | TR17520A (ja) |
| ZA (1) | ZA737752B (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9226454D0 (en) * | 1992-12-18 | 1993-02-10 | Cross Mark | Treatment of iron ore |
| US5437707A (en) * | 1994-04-28 | 1995-08-01 | Cross; Mark | Apparatus for treating iron ore |
| JP4355748B2 (ja) * | 2008-03-27 | 2009-11-04 | 株式会社神戸製鋼所 | 鉄鉱石ペレットの製造方法 |
| CN101592443B (zh) * | 2009-06-26 | 2014-04-09 | 江苏大学 | 球团生产装备余热内外循环综合回用方法及其热风流系统 |
| CN102828022A (zh) * | 2012-09-11 | 2012-12-19 | 新兴能源装备股份有限公司 | 一种纯赤铁矿碱性球团的生产工艺 |
| EP3667221A1 (en) * | 2018-12-11 | 2020-06-17 | Paul Wurth S.A. | Induration machine |
| SE2250973A1 (en) * | 2022-08-17 | 2024-02-18 | Luossavaara Kiirunavaara Ab | Method and apparatus for producing a metal oxide material |
-
1973
- 1973-04-24 CA CA169,441A patent/CA977974A/en not_active Expired
- 1973-09-28 GB GB4548273A patent/GB1439488A/en not_active Expired
- 1973-10-02 FR FR7335225A patent/FR2202161B1/fr not_active Expired
- 1973-10-02 AU AU60896/73A patent/AU6089673A/en not_active Expired
- 1973-10-03 NO NO3841/73A patent/NO134875C/no unknown
- 1973-10-03 ZA ZA00737752A patent/ZA737752B/xx unknown
- 1973-10-03 SU SU1962185A patent/SU494872A3/ru active
- 1973-10-03 SE SE7313449A patent/SE396406B/xx unknown
- 1973-10-03 IT IT52896/73A patent/IT996254B/it active
- 1973-10-04 TR TR17520A patent/TR17520A/xx unknown
- 1973-10-04 BR BR7728/73A patent/BR7307728D0/pt unknown
- 1973-10-04 AR AR250365A patent/AR198326A1/es active
- 1973-10-04 ES ES419352A patent/ES419352A1/es not_active Expired
- 1973-10-04 OA OA55025A patent/OA04484A/xx unknown
- 1973-10-04 JP JP11191373A patent/JPS5320922B2/ja not_active Expired
- 1973-10-12 IN IN2264/CAL/73A patent/IN138849B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU6089673A (en) | 1975-04-10 |
| OA04484A (fr) | 1980-03-15 |
| IT996254B (it) | 1975-12-10 |
| TR17520A (tr) | 1975-07-23 |
| AR198326A1 (es) | 1974-06-14 |
| AU472174B2 (ja) | 1976-05-20 |
| ES419352A1 (es) | 1976-03-01 |
| JPS5320922B2 (ja) | 1978-06-29 |
| BR7307728D0 (pt) | 1974-08-15 |
| GB1439488A (en) | 1976-06-16 |
| CA977974A (en) | 1975-11-18 |
| DE2349933B2 (de) | 1976-12-16 |
| ZA737752B (en) | 1975-05-28 |
| NO134875C (no) | 1977-10-25 |
| FR2202161B1 (ja) | 1976-05-14 |
| IN138849B (ja) | 1976-04-03 |
| SE396406B (sv) | 1977-09-19 |
| DE2349933A1 (de) | 1974-04-18 |
| SU494872A3 (ru) | 1975-12-05 |
| JPS4972112A (ja) | 1974-07-12 |
| FR2202161A1 (ja) | 1974-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4120645A (en) | System for handling high sulfur materials | |
| US1941592A (en) | Roasting pryites fines | |
| NO134703B (ja) | ||
| DK152578B (da) | Fremgangsmaade til fremstilling af portlandcement | |
| EP0122768B1 (en) | An electric arc fired cupola for remelting of metal chips | |
| US4265670A (en) | Method and apparatus for the thermal treatment of fine-grained material with hot gases | |
| US4047884A (en) | Means and method for processing cement raw materials containing fuel of high volatile content | |
| US4332551A (en) | Process and equipment for firing pellets | |
| US2214345A (en) | Method of burning portland cement clinkers | |
| US3986819A (en) | Grate preheater kiln system | |
| US3313534A (en) | Method and furnace for heat treating minerals | |
| US4299564A (en) | Apparatus for the thermal treatment of fine-grained material with hot gases | |
| US4221559A (en) | Process and apparatus for firing pellets | |
| NO134875B (ja) | ||
| US3332770A (en) | Apparatus for reduction firing of iron ore pellets | |
| US4367065A (en) | Method for firing coal in pyro-processes using direct heat recuperation from a cross flow heat exchanger | |
| US3167487A (en) | Method for producing coke and gas from carbonizable material | |
| US4089697A (en) | Manufacture of Portland cement | |
| US3653645A (en) | Method and furnace for heat treating materials | |
| US1403576A (en) | Process of reducing ores | |
| US1627536A (en) | Process of and apparatus for operating cupolas | |
| CA1101204A (en) | Process for further use of direct reduction blast furnace gas | |
| US2879052A (en) | Method of and apparatus for treating calcareous materials | |
| US1833590A (en) | Roasting furnace | |
| US1468137A (en) | Process of garbage incineration |