CN1005275B - 一种铁矿石直接炼钢的方法 - Google Patents
一种铁矿石直接炼钢的方法 Download PDFInfo
- Publication number
- CN1005275B CN1005275B CN87101210.3A CN87101210A CN1005275B CN 1005275 B CN1005275 B CN 1005275B CN 87101210 A CN87101210 A CN 87101210A CN 1005275 B CN1005275 B CN 1005275B
- Authority
- CN
- China
- Prior art keywords
- steel
- pelletizing
- furnace
- molten
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 24
- 238000003723 Smelting Methods 0.000 title abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000008188 pellet Substances 0.000 claims abstract description 14
- 239000003245 coal Substances 0.000 claims abstract description 7
- 239000012141 concentrate Substances 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 238000005453 pelletization Methods 0.000 claims description 27
- 239000002893 slag Substances 0.000 claims description 19
- 230000009467 reduction Effects 0.000 claims description 18
- 238000009628 steelmaking Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 238000010891 electric arc Methods 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 3
- 230000002829 reductive effect Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 2
- 238000004939 coking Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 19
- 238000006722 reduction reaction Methods 0.000 description 17
- 229910052799 carbon Inorganic materials 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- 239000000571 coke Substances 0.000 description 5
- 238000010079 rubber tapping Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000009845 electric arc furnace steelmaking Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000365 skull melting Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
Description
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN87101210.3A CN1005275B (zh) | 1987-12-26 | 1987-12-26 | 一种铁矿石直接炼钢的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN87101210.3A CN1005275B (zh) | 1987-12-26 | 1987-12-26 | 一种铁矿石直接炼钢的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN87101210A CN87101210A (zh) | 1988-08-24 |
CN1005275B true CN1005275B (zh) | 1989-09-27 |
Family
ID=4813256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN87101210.3A Expired CN1005275B (zh) | 1987-12-26 | 1987-12-26 | 一种铁矿石直接炼钢的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1005275B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1041328C (zh) * | 1995-05-18 | 1998-12-23 | 吕美竺 | 一种可以直接炼钢的铁矿石冷固球团 |
CN101392307B (zh) * | 2007-12-07 | 2010-11-10 | 江苏沙钢集团有限公司 | 环保节能型电炉直接炼钢方法及其装置 |
CN101665848B (zh) * | 2008-09-04 | 2011-06-22 | 莱芜钢铁集团有限公司 | 一种铁矿石直接炼钢工艺 |
CN101445848B (zh) | 2008-12-22 | 2010-08-11 | 莱芜钢铁集团有限公司 | 一种含铁物料连续炼钢工艺方法及装置 |
CN104531937A (zh) * | 2014-12-17 | 2015-04-22 | 山东钢铁集团淄博张钢有限公司 | 转炉系统铁矿石直接炼钢工艺 |
-
1987
- 1987-12-26 CN CN87101210.3A patent/CN1005275B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CN87101210A (zh) | 1988-08-24 |
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Legal Events
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SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
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GR02 | Examined patent application | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent of invention or patent application | ||
CB01 | Change of bibliographic data |
Applicant address after: Shijiazhuang City, Hebei Province, Hongqi Street, No. 8 South building three unit 341 room Applicant address before: The workers and peasants in Hebei province Shijiazhuang City Road No. 14 building three unit 401 room |
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COR | Change of bibliographic data |
Free format text: CORRECT FROM: ROOM 401, UNIT 3, HOUSE SOUTH, NO. 14, GONGNONG ROAD, SHIJIAZHUANG CITY, HEBEI PROVINCE TO: ROOM 341, UNIT 3, HOUSE SOUTH, NO. 8, DA STREET, HONG COUNTY, SHIJIAZHUANG CITY, HEBEI PROVINCE |
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C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: 050031 Hebei province Shijiazhuang Yudong District nineteen Building Room 302 Applicant after: Lv Meidu Address before: Shijiazhuang City, Hebei province 050051 Hongqi Street No. 8 South 3 unit 341 room Applicant before: Lv Meidu |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT ADDRESS; FROM: ROOM 341, UNIT 3, HOUSE SOUTH, NO. 8, DA STREET, HONG COUNTY, SHIJIAZHUANG CITY, HEBEI PROVINCE, 050051 TO: ROOM 302, SHIJIU HOUSE, YUDONG RESIDENTIAL QUATER, SHIJIAZHUANG CITY, HEBEI PROVINCE, 050031 |
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C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |