JPH0430444B2 - - Google Patents
Info
- Publication number
- JPH0430444B2 JPH0430444B2 JP29669186A JP29669186A JPH0430444B2 JP H0430444 B2 JPH0430444 B2 JP H0430444B2 JP 29669186 A JP29669186 A JP 29669186A JP 29669186 A JP29669186 A JP 29669186A JP H0430444 B2 JPH0430444 B2 JP H0430444B2
- Authority
- JP
- Japan
- Prior art keywords
- calcined
- ore
- particle size
- pellets
- iron ore
- 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 claims description 63
- 239000002245 particle Substances 0.000 claims description 46
- 239000012256 powdered iron Substances 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 33
- 229910052742 iron Inorganic materials 0.000 description 16
- 238000002156 mixing Methods 0.000 description 13
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 238000001354 calcination Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 230000001603 reducing effect Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 229910052595 hematite Inorganic materials 0.000 description 2
- 239000011019 hematite Substances 0.000 description 2
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 235000012216 bentonite Nutrition 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
- 239000011230 binding agent Substances 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
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29669186A JPS63149335A (ja) | 1986-12-15 | 1986-12-15 | 焼成塊成鉱の製造方法 |
| AU82221/87A AU600777B2 (en) | 1986-12-15 | 1987-12-08 | Method for manufacturing agglomerates of fired pellets |
| IN357/BOM/87A IN167132B (ko) | 1986-12-15 | 1987-12-08 | |
| US07/131,660 US4851038A (en) | 1986-12-15 | 1987-12-11 | Method for manufacturing agglomerates of fired pellets |
| CA000554134A CA1324493C (en) | 1986-12-15 | 1987-12-11 | Method for manufacturing agglomerates of fired pellets |
| DE3752270T DE3752270T2 (de) | 1986-12-15 | 1987-12-14 | Verfahren zum Herstellen von Briketts aus gebrannten Pellets |
| BR8706790A BR8706790A (pt) | 1986-12-15 | 1987-12-14 | Processo para a producao de aglomerados de pelotas queimadas |
| DE3751747T DE3751747T2 (de) | 1986-12-15 | 1987-12-14 | Verfahren zum Herstellen von Briketts aus gebrannten Pellets |
| EP93111020A EP0578253B1 (en) | 1986-12-15 | 1987-12-14 | Method for manufacturing agglomerates of fired pellets |
| EP87118525A EP0271863B1 (en) | 1986-12-15 | 1987-12-14 | Method for manufacturing agglomerates of fired pellets |
| KR1019870014415A KR910001325B1 (ko) | 1986-12-15 | 1987-12-15 | 소성펠릿의 단괴 제조방법 |
| CN87108122A CN1016184B (zh) | 1986-12-15 | 1987-12-15 | 烧成球团矿烧结块的制造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29669186A JPS63149335A (ja) | 1986-12-15 | 1986-12-15 | 焼成塊成鉱の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63149335A JPS63149335A (ja) | 1988-06-22 |
| JPH0430444B2 true JPH0430444B2 (ko) | 1992-05-21 |
Family
ID=17836835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29669186A Granted JPS63149335A (ja) | 1986-12-15 | 1986-12-15 | 焼成塊成鉱の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63149335A (ko) |
-
1986
- 1986-12-15 JP JP29669186A patent/JPS63149335A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63149335A (ja) | 1988-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |