DE3418468A1 - Verfahren zum hartbrennen von eisenerzpellets auf einem wanderrost - Google Patents
Verfahren zum hartbrennen von eisenerzpellets auf einem wanderrostInfo
- Publication number
- DE3418468A1 DE3418468A1 DE19843418468 DE3418468A DE3418468A1 DE 3418468 A1 DE3418468 A1 DE 3418468A1 DE 19843418468 DE19843418468 DE 19843418468 DE 3418468 A DE3418468 A DE 3418468A DE 3418468 A1 DE3418468 A1 DE 3418468A1
- Authority
- DE
- Germany
- Prior art keywords
- pellets
- mbar
- hot gases
- burning
- negative pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000008188 pellet Substances 0.000 title claims description 56
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 8
- 229910052742 iron Inorganic materials 0.000 title claims description 7
- 239000007789 gas Substances 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 229910052595 hematite Inorganic materials 0.000 claims description 9
- 239000011019 hematite Substances 0.000 claims description 9
- 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 9
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 8
- 239000003575 carbonaceous material Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000010304 firing Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910017135 Fe—O Inorganic materials 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002816 fuel additive Substances 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000002489 hematologic effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000007669 thermal treatment 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)
- Solid Fuels And Fuel-Associated Substances (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843418468 DE3418468A1 (de) | 1984-05-18 | 1984-05-18 | Verfahren zum hartbrennen von eisenerzpellets auf einem wanderrost |
| IN529/CAL/84A IN161245B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1984-05-18 | 1984-07-25 | |
| JP60093529A JPS60245732A (ja) | 1984-05-18 | 1985-04-30 | 移動火格子上で鉄鉱石ペレツトを硬焼する方法 |
| DE8585200718T DE3562492D1 (en) | 1984-05-18 | 1985-05-07 | Process for thermo-hardening iron pellets on a moving grate |
| EP85200718A EP0161721B1 (de) | 1984-05-18 | 1985-05-07 | Verfahren zum Hartbrennen von Eisenerzpellets auf einem Wanderrost |
| ZA853695A ZA853695B (en) | 1984-05-18 | 1985-05-15 | Process of hard-burning iron ore pellets on a traveling grate |
| BR8502306A BR8502306A (pt) | 1984-05-18 | 1985-05-16 | Processo para a ustulacao de pelotas de minerio de ferro sobre uma grelha movel |
| AU42687/85A AU571695B2 (en) | 1984-05-18 | 1985-05-17 | Hard burning of iron ore pellets on a travelling grate |
| CA000481829A CA1258376A (en) | 1984-05-18 | 1985-05-17 | Process of hard-burning iron ore pellets on a traveling grate |
| CN85104327.5A CN1003943B (zh) | 1984-05-18 | 1985-06-08 | 移动式炉箅的铁矿石球团矿的硬化焙烧法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843418468 DE3418468A1 (de) | 1984-05-18 | 1984-05-18 | Verfahren zum hartbrennen von eisenerzpellets auf einem wanderrost |
| CN85104327.5A CN1003943B (zh) | 1984-05-18 | 1985-06-08 | 移动式炉箅的铁矿石球团矿的硬化焙烧法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3418468A1 true DE3418468A1 (de) | 1985-11-21 |
Family
ID=76224751
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843418468 Withdrawn DE3418468A1 (de) | 1984-05-18 | 1984-05-18 | Verfahren zum hartbrennen von eisenerzpellets auf einem wanderrost |
| DE8585200718T Expired DE3562492D1 (en) | 1984-05-18 | 1985-05-07 | Process for thermo-hardening iron pellets on a moving grate |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8585200718T Expired DE3562492D1 (en) | 1984-05-18 | 1985-05-07 | Process for thermo-hardening iron pellets on a moving grate |
Country Status (9)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3519666A1 (de) * | 1985-06-01 | 1986-12-04 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum hartbrennen von eisenerzpellets auf einem wanderrost |
| AU600777B2 (en) * | 1986-12-15 | 1990-08-23 | Jfe Steel Corporation | Method for manufacturing agglomerates of fired pellets |
| JP2010024477A (ja) * | 2008-07-16 | 2010-02-04 | Kobe Steel Ltd | 鉄鉱石ペレットの製造方法 |
| CN102409170A (zh) * | 2010-09-20 | 2012-04-11 | 鞍钢股份有限公司 | 一种高炉用高机械强度含碳球团及其生产方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2696432A (en) * | 1950-12-22 | 1954-12-07 | Univ Minnesota | Method for heating solids |
| US2758919A (en) * | 1952-03-31 | 1956-08-14 | Erie Mining Co | Process of pelletizing |
| DE1242653B (de) * | 1959-07-18 | 1967-06-22 | Metallgesellschaft Ag | Verfahren zur Herstellung von vorreduzierten Eisenerzpellets mit eingebundenem Kohlenstoff |
| FR1490768A (fr) * | 1966-08-04 | 1967-08-04 | Midland Ross Corp | Procédé de durcissement de grains composés de minerais fins |
| AU473854B2 (en) * | 1972-04-04 | 1974-09-26 | Ici Australia Limited | A process forthe benefication of oxide ores |
| US4162284A (en) * | 1975-09-04 | 1979-07-24 | Elkem-Spigerverket A/S | Method of producing mechanically strong pellets from non-oxidizable metal oxides |
| JPS5310313A (en) * | 1976-07-16 | 1978-01-30 | Kobe Steel Ltd | Roasted pellet of iron ore and its preparation |
| JPS56123332A (en) * | 1980-03-01 | 1981-09-28 | Kobe Steel Ltd | Calcining method for iron ore pellet |
| JPS589936A (ja) * | 1981-07-10 | 1983-01-20 | Nippon Kokan Kk <Nkk> | 塊成鉱製造法 |
-
1984
- 1984-05-18 DE DE19843418468 patent/DE3418468A1/de not_active Withdrawn
- 1984-07-25 IN IN529/CAL/84A patent/IN161245B/en unknown
-
1985
- 1985-04-30 JP JP60093529A patent/JPS60245732A/ja active Pending
- 1985-05-07 DE DE8585200718T patent/DE3562492D1/de not_active Expired
- 1985-05-07 EP EP85200718A patent/EP0161721B1/de not_active Expired
- 1985-05-15 ZA ZA853695A patent/ZA853695B/xx unknown
- 1985-05-16 BR BR8502306A patent/BR8502306A/pt not_active IP Right Cessation
- 1985-05-17 AU AU42687/85A patent/AU571695B2/en not_active Ceased
- 1985-05-17 CA CA000481829A patent/CA1258376A/en not_active Expired
- 1985-06-08 CN CN85104327.5A patent/CN1003943B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU4268785A (en) | 1985-11-21 |
| DE3562492D1 (en) | 1988-06-09 |
| AU571695B2 (en) | 1988-04-21 |
| CN1003943B (zh) | 1989-04-19 |
| JPS60245732A (ja) | 1985-12-05 |
| BR8502306A (pt) | 1986-01-21 |
| EP0161721B1 (de) | 1988-05-04 |
| EP0161721A1 (de) | 1985-11-21 |
| CA1258376A (en) | 1989-08-15 |
| ZA853695B (en) | 1987-01-28 |
| IN161245B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-10-31 |
| CN85104327A (zh) | 1986-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8130 | Withdrawal |