JPH0447004B2 - - Google Patents
Info
- Publication number
- JPH0447004B2 JPH0447004B2 JP59184056A JP18405684A JPH0447004B2 JP H0447004 B2 JPH0447004 B2 JP H0447004B2 JP 59184056 A JP59184056 A JP 59184056A JP 18405684 A JP18405684 A JP 18405684A JP H0447004 B2 JPH0447004 B2 JP H0447004B2
- Authority
- JP
- Japan
- Prior art keywords
- ore
- iron
- slag
- reduction
- furnace
- 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 - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 178
- 229910052742 iron Inorganic materials 0.000 claims description 87
- 238000000034 method Methods 0.000 claims description 38
- 239000003245 coal Substances 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 230000008018 melting Effects 0.000 claims description 29
- 238000002844 melting Methods 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 21
- 238000007664 blowing Methods 0.000 claims description 20
- 230000001603 reducing effect Effects 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 4
- 238000006722 reduction reaction Methods 0.000 description 81
- 230000009467 reduction Effects 0.000 description 72
- 239000002893 slag Substances 0.000 description 63
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 61
- 238000003723 Smelting Methods 0.000 description 32
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 28
- 230000008569 process Effects 0.000 description 27
- 239000003575 carbonaceous material Substances 0.000 description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 23
- 239000000571 coke Substances 0.000 description 23
- 229910052799 carbon Inorganic materials 0.000 description 22
- 239000004484 Briquette Substances 0.000 description 21
- 239000000292 calcium oxide Substances 0.000 description 14
- 235000012255 calcium oxide Nutrition 0.000 description 14
- 239000008188 pellet Substances 0.000 description 12
- 239000002994 raw material Substances 0.000 description 10
- 238000011946 reduction process Methods 0.000 description 9
- 241000766026 Coregonus nasus Species 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 6
- 239000011819 refractory material Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000004090 dissolution Methods 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 150000004706 metal oxides Chemical class 0.000 description 5
- 235000019738 Limestone Nutrition 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- -1 iron ore. can be Chemical class 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000004939 coking Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910015189 FeOx Inorganic materials 0.000 description 2
- 244000292604 Salvia columbariae Species 0.000 description 2
- 235000012377 Salvia columbariae var. columbariae Nutrition 0.000 description 2
- 235000001498 Salvia hispanica Nutrition 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 235000014167 chia Nutrition 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59184056A JPS6164807A (ja) | 1984-09-03 | 1984-09-03 | 鉄鉱石の溶融還元方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59184056A JPS6164807A (ja) | 1984-09-03 | 1984-09-03 | 鉄鉱石の溶融還元方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6164807A JPS6164807A (ja) | 1986-04-03 |
| JPH0447004B2 true JPH0447004B2 (ko) | 1992-07-31 |
Family
ID=16146600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59184056A Granted JPS6164807A (ja) | 1984-09-03 | 1984-09-03 | 鉄鉱石の溶融還元方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6164807A (ko) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2596001B2 (ja) * | 1987-10-15 | 1997-04-02 | 日本鋼管株式会社 | 溶融還元法 |
| JP2596002B2 (ja) * | 1987-10-15 | 1997-04-02 | 日本鋼管株式会社 | 同一製錬炉にて溶鋼を連続して製造する方法 |
| JP2596003B2 (ja) * | 1987-10-15 | 1997-04-02 | 日本鋼管株式会社 | 溶融還元法 |
| JP2638840B2 (ja) * | 1987-10-08 | 1997-08-06 | 日本鋼管株式会社 | 溶融還元法 |
| JP2638861B2 (ja) * | 1987-11-30 | 1997-08-06 | 日本鋼管株式会社 | 溶融環元法 |
| JP2600732B2 (ja) * | 1987-12-18 | 1997-04-16 | 日本鋼管株式会社 | 溶融還元法及び装置 |
| JP2600733B2 (ja) * | 1987-12-18 | 1997-04-16 | 日本鋼管株式会社 | 溶融還元法 |
| AT405186B (de) * | 1994-10-17 | 1999-06-25 | Voest Alpine Ind Anlagen | Anlage und verfahren zur herstellung von roheisen und/oder eisenschwamm |
| US5938815A (en) * | 1997-03-13 | 1999-08-17 | The Boc Company, Inc. | Iron ore refining method |
| US6193781B1 (en) * | 1997-12-09 | 2001-02-27 | The Boc Group, Inc. | Method of smelting iron ore |
| TW200613566A (en) * | 2004-10-29 | 2006-05-01 | Kobe Steel Ltd | Process for producing molten iron and apparatus therefor |
| CN108300851A (zh) * | 2018-01-31 | 2018-07-20 | 山东墨龙石油机械股份有限公司 | 一种HIsmelt含铁原料预热预还原处理工艺 |
-
1984
- 1984-09-03 JP JP59184056A patent/JPS6164807A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6164807A (ja) | 1986-04-03 |
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