JPS61104012A - 鉄鉱石の溶融還元方法 - Google Patents
鉄鉱石の溶融還元方法Info
- Publication number
- JPS61104012A JPS61104012A JP59225049A JP22504984A JPS61104012A JP S61104012 A JPS61104012 A JP S61104012A JP 59225049 A JP59225049 A JP 59225049A JP 22504984 A JP22504984 A JP 22504984A JP S61104012 A JPS61104012 A JP S61104012A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- reduction furnace
- iron ore
- smelting reduction
- melt
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 30
- 239000002918 waste heat Substances 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 claims abstract description 5
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 3
- 238000003723 Smelting Methods 0.000 claims description 33
- 238000011084 recovery Methods 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000003570 air Substances 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 abstract description 10
- 239000000155 melt Substances 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 3
- 239000000567 combustion gas Substances 0.000 abstract description 3
- 235000012255 calcium oxide Nutrition 0.000 abstract description 2
- 239000000292 calcium oxide Substances 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract 4
- 238000002844 melting Methods 0.000 description 17
- 230000008018 melting Effects 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000006114 decarboxylation reaction Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011435 rock Substances 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
- C21B13/143—Injection of partially reduced ore into a molten bath
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
- C21B13/029—Introducing coolant gas in the shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
- C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
-
- 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 Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225049A JPS61104012A (ja) | 1984-10-25 | 1984-10-25 | 鉄鉱石の溶融還元方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59225049A JPS61104012A (ja) | 1984-10-25 | 1984-10-25 | 鉄鉱石の溶融還元方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61104012A true JPS61104012A (ja) | 1986-05-22 |
| JPH0216365B2 JPH0216365B2 (en:Method) | 1990-04-17 |
Family
ID=16823234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59225049A Granted JPS61104012A (ja) | 1984-10-25 | 1984-10-25 | 鉄鉱石の溶融還元方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61104012A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62182214A (ja) * | 1986-02-06 | 1987-08-10 | Nippon Steel Corp | 鉄系合金溶湯の製造装置 |
-
1984
- 1984-10-25 JP JP59225049A patent/JPS61104012A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62182214A (ja) * | 1986-02-06 | 1987-08-10 | Nippon Steel Corp | 鉄系合金溶湯の製造装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0216365B2 (en:Method) | 1990-04-17 |
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