DE2616468A1 - Erzeugung von vorreduzierten eisenhaltigen stoffen durch direktreduktion im schachtofen - Google Patents
Erzeugung von vorreduzierten eisenhaltigen stoffen durch direktreduktion im schachtofenInfo
- Publication number
- DE2616468A1 DE2616468A1 DE19762616468 DE2616468A DE2616468A1 DE 2616468 A1 DE2616468 A1 DE 2616468A1 DE 19762616468 DE19762616468 DE 19762616468 DE 2616468 A DE2616468 A DE 2616468A DE 2616468 A1 DE2616468 A1 DE 2616468A1
- Authority
- DE
- Germany
- Prior art keywords
- reducing gas
- ore
- furnace
- temperature
- gas
- 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.)
- Withdrawn
Links
- 230000009467 reduction Effects 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000463 material Substances 0.000 title description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title description 2
- 239000007789 gas Substances 0.000 claims description 66
- 230000001603 reducing effect Effects 0.000 claims description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 24
- 229910052742 iron Inorganic materials 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000003345 natural gas Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000002407 reforming Methods 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 17
- 235000013980 iron oxide Nutrition 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000000112 cooling gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000011946 reduction process Methods 0.000 description 3
- 238000010405 reoxidation reaction Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001960 triggered effect Effects 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
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- 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
- C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
-
- 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
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- 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
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56833275A | 1975-04-15 | 1975-04-15 | |
| US05/644,249 US4017305A (en) | 1975-04-15 | 1975-12-24 | Process for heat hardening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2616468A1 true DE2616468A1 (de) | 1976-11-04 |
Family
ID=27074751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762616468 Withdrawn DE2616468A1 (de) | 1975-04-15 | 1976-04-14 | Erzeugung von vorreduzierten eisenhaltigen stoffen durch direktreduktion im schachtofen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4017305A (enExample) |
| AU (1) | AU504493B2 (enExample) |
| BR (1) | BR7602248A (enExample) |
| CA (1) | CA1088315A (enExample) |
| DE (1) | DE2616468A1 (enExample) |
| GB (1) | GB1548240A (enExample) |
| NO (1) | NO143994C (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3135914A1 (de) * | 1980-09-15 | 1982-05-27 | Midrex Corp., 28280 Charlotte, N.C. | Verfahren und vorrichtung zur direktreduktion von eisenoxyd |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4201571A (en) * | 1978-08-15 | 1980-05-06 | Midrex Corporation | Method for the direct reduction of iron and production of fuel gas using gas from coal |
| JPS55113819A (en) * | 1979-02-26 | 1980-09-02 | Kawasaki Heavy Ind Ltd | Method and apparatus for direct reduction iron making |
| US4216011A (en) * | 1979-04-23 | 1980-08-05 | Hylsa, S.A. | Method and apparatus for the secondary gaseous reduction of metal ores |
| US4365789A (en) * | 1980-09-15 | 1982-12-28 | Midrex Corporation | Apparatus for the direct reduction of iron in a shaft furnace using gas from coal |
| CN111961784B (zh) * | 2020-08-31 | 2021-09-07 | 山东大学 | 一种铁矿粉鼓泡床还原反应的方法与系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3160498A (en) * | 1960-06-29 | 1964-12-08 | Armco Steel Corp | Fluidized iron ore reduction process and apparatus |
| US3850616A (en) * | 1973-10-29 | 1974-11-26 | Armco Steel Corp | Inert gas seal for product discharge from a shaft furnace |
-
1975
- 1975-12-24 US US05/644,249 patent/US4017305A/en not_active Expired - Lifetime
-
1976
- 1976-03-18 CA CA248,159A patent/CA1088315A/en not_active Expired
- 1976-03-24 AU AU12285/76A patent/AU504493B2/en not_active Expired
- 1976-03-30 GB GB12763/76A patent/GB1548240A/en not_active Expired
- 1976-04-13 BR BR7602248A patent/BR7602248A/pt unknown
- 1976-04-14 DE DE19762616468 patent/DE2616468A1/de not_active Withdrawn
- 1976-04-14 NO NO761312A patent/NO143994C/no unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3135914A1 (de) * | 1980-09-15 | 1982-05-27 | Midrex Corp., 28280 Charlotte, N.C. | Verfahren und vorrichtung zur direktreduktion von eisenoxyd |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1548240A (en) | 1979-07-04 |
| US4017305A (en) | 1977-04-12 |
| AU1228576A (en) | 1977-09-29 |
| AU504493B2 (en) | 1979-10-18 |
| NO143994C (no) | 1981-05-27 |
| CA1088315A (en) | 1980-10-28 |
| BR7602248A (pt) | 1976-10-12 |
| NO761312L (enExample) | 1976-10-18 |
| NO143994B (no) | 1981-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |