DE2604795B1 - Verfahren und vorrichtung zur direktreduktion von metalloxiden - Google Patents
Verfahren und vorrichtung zur direktreduktion von metalloxidenInfo
- Publication number
- DE2604795B1 DE2604795B1 DE19762604795 DE2604795A DE2604795B1 DE 2604795 B1 DE2604795 B1 DE 2604795B1 DE 19762604795 DE19762604795 DE 19762604795 DE 2604795 A DE2604795 A DE 2604795A DE 2604795 B1 DE2604795 B1 DE 2604795B1
- Authority
- DE
- Germany
- Prior art keywords
- water
- cooling
- circuit
- condensate
- direct reduction
- 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- Withdrawn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
- 238000000034 method Methods 0.000 title claims description 25
- 229910044991 metal oxide Inorganic materials 0.000 title claims 2
- 150000004706 metal oxides Chemical class 0.000 title claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 100
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 36
- 239000000498 cooling water Substances 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 9
- 230000008020 evaporation Effects 0.000 claims description 9
- 238000011946 reduction process Methods 0.000 claims description 6
- 239000002562 thickening agent Substances 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000013535 sea water Substances 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 3
- 238000004140 cleaning Methods 0.000 claims 2
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000008235 industrial water Substances 0.000 claims 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 1
- 235000013980 iron oxide Nutrition 0.000 claims 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 239000000112 cooling gas Substances 0.000 description 3
- MSNWSDPPULHLDL-UHFFFAOYSA-K ferric hydroxide Chemical group [OH-].[OH-].[OH-].[Fe+3] MSNWSDPPULHLDL-UHFFFAOYSA-K 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 1
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- DKIDFDYBDZCAAU-UHFFFAOYSA-L carbonic acid;iron(2+);carbonate Chemical compound [Fe+2].OC([O-])=O.OC([O-])=O DKIDFDYBDZCAAU-UHFFFAOYSA-L 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000011078 in-house production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- -1 iron ions Chemical class 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater 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
- C21B13/0073—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
- C21B2100/60—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)
- Treating Waste Gases (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762604795 DE2604795B1 (de) | 1976-02-07 | 1976-02-07 | Verfahren und vorrichtung zur direktreduktion von metalloxiden |
| US05/765,652 US4135914A (en) | 1976-02-07 | 1977-02-04 | Process for the direct reduction of metallic oxides |
| JP1203377A JPS52128820A (en) | 1976-02-07 | 1977-02-05 | Method and apparatus for direct reduction metal oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762604795 DE2604795B1 (de) | 1976-02-07 | 1976-02-07 | Verfahren und vorrichtung zur direktreduktion von metalloxiden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2604795B1 true DE2604795B1 (de) | 1977-03-31 |
Family
ID=5969290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762604795 Withdrawn DE2604795B1 (de) | 1976-02-07 | 1976-02-07 | Verfahren und vorrichtung zur direktreduktion von metalloxiden |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4135914A (OSRAM) |
| JP (1) | JPS52128820A (OSRAM) |
| DE (1) | DE2604795B1 (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3203092A1 (de) * | 1982-01-30 | 1983-08-04 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur abscheidung von feinkoernigem direkt reduziertem eisen aus kuehlgasen |
| WO2025078162A1 (de) * | 2023-10-13 | 2025-04-17 | Sms Group Gmbh | Wärmeversorgung unter verwendung einer direktreduktionsanlage |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI65712C (fi) * | 1982-09-09 | 1984-07-10 | Outokumpu Oy | Foerfarande foer rengoering av cyanidhaltiga i metallurgisk inustri alstrade gasers tvaettvatten |
| US5013532A (en) * | 1988-12-15 | 1991-05-07 | Iit Research Institute | Method for recycling electric arc furnace dust |
| US7556189B2 (en) * | 2004-05-26 | 2009-07-07 | Georgia Tech Research Corporation | Lead-free bonding systems |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2877086A (en) * | 1957-02-08 | 1959-03-10 | Pittsburgh Coke & Chemical Co | Process of removing entrained alkali metal cyanides from ferro-manganese furnace gases |
| AT255380B (de) * | 1963-07-10 | 1967-07-10 | Waagner Biro Ag | Verfahren zur Neutralisation von Waschflüssigkeiten |
| US3607225A (en) * | 1965-06-22 | 1971-09-21 | Inst Cercetari Metalurgice | Process and apparatus for the direct reduction of iron ores |
| US3831667A (en) * | 1971-02-04 | 1974-08-27 | Westinghouse Electric Corp | Combination wet and dry cooling system for a steam turbine |
| JPS4998716A (OSRAM) * | 1973-01-30 | 1974-09-18 | ||
| NL7411663A (nl) * | 1973-09-14 | 1975-03-18 | Kloeckner Werke Ag | Werkwijze voor het destilleren van vloeistof- fen, in het bijzonder water en waterige oplos- singen. |
-
1976
- 1976-02-07 DE DE19762604795 patent/DE2604795B1/de not_active Withdrawn
-
1977
- 1977-02-04 US US05/765,652 patent/US4135914A/en not_active Expired - Lifetime
- 1977-02-05 JP JP1203377A patent/JPS52128820A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3203092A1 (de) * | 1982-01-30 | 1983-08-04 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur abscheidung von feinkoernigem direkt reduziertem eisen aus kuehlgasen |
| WO2025078162A1 (de) * | 2023-10-13 | 2025-04-17 | Sms Group Gmbh | Wärmeversorgung unter verwendung einer direktreduktionsanlage |
Also Published As
| Publication number | Publication date |
|---|---|
| US4135914A (en) | 1979-01-23 |
| JPS52128820A (en) | 1977-10-28 |
| JPS5634603B2 (OSRAM) | 1981-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8230 | Patent withdrawn |