CA1258376A - Process of hard-burning iron ore pellets on a traveling grate - Google Patents
Process of hard-burning iron ore pellets on a traveling grateInfo
- Publication number
- CA1258376A CA1258376A CA000481829A CA481829A CA1258376A CA 1258376 A CA1258376 A CA 1258376A CA 000481829 A CA000481829 A CA 000481829A CA 481829 A CA481829 A CA 481829A CA 1258376 A CA1258376 A CA 1258376A
- Authority
- CA
- Canada
- Prior art keywords
- pellets
- cfix
- burning
- process according
- traveling grate
- 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.)
- Expired
Links
- 239000008188 pellet Substances 0.000 title claims abstract description 65
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 14
- 230000008569 process Effects 0.000 title claims description 14
- 239000007789 gas Substances 0.000 claims abstract description 22
- 229910052595 hematite Inorganic materials 0.000 claims abstract description 12
- 239000011019 hematite Substances 0.000 claims abstract description 12
- 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 abstract description 12
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000004907 flux Effects 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 10
- 230000001590 oxidative effect Effects 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005453 pelletization Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 230000007423 decrease Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 8
- 230000009467 reduction Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000003039 volatile agent Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 229910002547 FeII Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 238000005299 abrasion Methods 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
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 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
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843418468 DE3418468A1 (de) | 1984-05-18 | 1984-05-18 | Verfahren zum hartbrennen von eisenerzpellets auf einem wanderrost |
DEP3418468.6 | 1984-05-18 | ||
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 |
---|---|
CA1258376A true CA1258376A (en) | 1989-08-15 |
Family
ID=76224751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000481829A Expired CA1258376A (en) | 1984-05-18 | 1985-05-17 | Process of hard-burning iron ore pellets on a traveling grate |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0161721B1 (en)) |
JP (1) | JPS60245732A (en)) |
CN (1) | CN1003943B (en)) |
AU (1) | AU571695B2 (en)) |
BR (1) | BR8502306A (en)) |
CA (1) | CA1258376A (en)) |
DE (2) | DE3418468A1 (en)) |
IN (1) | IN161245B (en)) |
ZA (1) | ZA853695B (en)) |
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 CA CA000481829A patent/CA1258376A/en not_active Expired
- 1985-05-17 AU AU42687/85A patent/AU571695B2/en not_active Ceased
- 1985-06-08 CN CN85104327.5A patent/CN1003943B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3562492D1 (en) | 1988-06-09 |
EP0161721B1 (de) | 1988-05-04 |
DE3418468A1 (de) | 1985-11-21 |
EP0161721A1 (de) | 1985-11-21 |
CN85104327A (zh) | 1986-12-03 |
CN1003943B (zh) | 1989-04-19 |
ZA853695B (en) | 1987-01-28 |
BR8502306A (pt) | 1986-01-21 |
IN161245B (en)) | 1987-10-31 |
AU571695B2 (en) | 1988-04-21 |
AU4268785A (en) | 1985-11-21 |
JPS60245732A (ja) | 1985-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |