CA1060218A - Process and a furnace plant for batch production of sponge metal - Google Patents
Process and a furnace plant for batch production of sponge metalInfo
- Publication number
- CA1060218A CA1060218A CA226,504A CA226504A CA1060218A CA 1060218 A CA1060218 A CA 1060218A CA 226504 A CA226504 A CA 226504A CA 1060218 A CA1060218 A CA 1060218A
- Authority
- CA
- Canada
- Prior art keywords
- atmosphere
- furnace
- process according
- during
- cooling
- 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
- 238000000034 method Methods 0.000 title claims abstract description 73
- 230000008569 process Effects 0.000 title claims abstract description 66
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 36
- 238000010923 batch production Methods 0.000 title claims abstract description 7
- 239000012298 atmosphere Substances 0.000 claims abstract description 146
- 230000009467 reduction Effects 0.000 claims abstract description 84
- 238000010438 heat treatment Methods 0.000 claims abstract description 64
- 238000001816 cooling Methods 0.000 claims abstract description 52
- 230000001603 reducing effect Effects 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000001590 oxidative effect Effects 0.000 claims abstract description 16
- 238000007600 charging Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 106
- 239000007789 gas Substances 0.000 claims description 92
- 238000006722 reduction reaction Methods 0.000 claims description 87
- 229910052742 iron Inorganic materials 0.000 claims description 49
- 239000000446 fuel Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- 239000001301 oxygen Substances 0.000 claims description 19
- 229910052760 oxygen Inorganic materials 0.000 claims description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 8
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000004215 Carbon black (E152) Substances 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 5
- 229910052734 helium Inorganic materials 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 4
- 239000001307 helium Substances 0.000 claims description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000003134 recirculating effect Effects 0.000 claims description 3
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 235000019628 coolness Nutrition 0.000 claims description 2
- 238000005261 decarburization Methods 0.000 claims description 2
- 238000005485 electric heating Methods 0.000 claims 4
- 238000002156 mixing Methods 0.000 claims 3
- 230000000977 initiatory effect Effects 0.000 claims 2
- 238000005255 carburizing Methods 0.000 claims 1
- 239000012299 nitrogen atmosphere Substances 0.000 claims 1
- 238000010010 raising Methods 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 description 47
- 229910052739 hydrogen Inorganic materials 0.000 description 47
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 43
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 19
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 15
- 229910002091 carbon monoxide Inorganic materials 0.000 description 15
- 238000004458 analytical method Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 239000003345 natural gas Substances 0.000 description 8
- 239000008188 pellet Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 5
- 239000011133 lead Substances 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 150000004706 metal oxides Chemical class 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000009687 sponge iron process Methods 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 3
- 229910020630 Co Ni Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000628073 Exocelina fume Species 0.000 description 1
- 229910020968 MoSi2 Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- -1 acetylene or propene Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
-
- 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
- C21B2100/66—Heat exchange
-
- 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
-
- 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
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7406175A SE382078B (sv) | 1974-05-09 | 1974-05-09 | Forfarande och ugnsanleggning for satsvis framstellning av metallsvamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1060218A true CA1060218A (en) | 1979-08-14 |
Family
ID=20321072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA226,504A Expired CA1060218A (en) | 1974-05-09 | 1975-05-08 | Process and a furnace plant for batch production of sponge metal |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3964898A (index.php) |
| JP (1) | JPS50158513A (index.php) |
| CA (1) | CA1060218A (index.php) |
| DE (1) | DE2520564A1 (index.php) |
| ES (2) | ES437082A1 (index.php) |
| FR (1) | FR2270331B1 (index.php) |
| IT (1) | IT1044502B (index.php) |
| SE (1) | SE382078B (index.php) |
| SU (1) | SU639485A3 (index.php) |
| ZA (1) | ZA752990B (index.php) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55113819A (en) * | 1979-02-26 | 1980-09-02 | Kawasaki Heavy Ind Ltd | Method and apparatus for direct reduction iron making |
| US5474280A (en) * | 1993-08-20 | 1995-12-12 | Martin; Charles A. | Apparatus for preheating a reactor feed |
| SE543341C2 (en) * | 2019-04-01 | 2020-12-08 | Greeniron H2 Ab | Method and device for producing direct reduced metal |
| EP3763832A1 (de) | 2019-07-08 | 2021-01-13 | Primetals Technologies Austria GmbH | Abdichtung eines reduktionsaggregats |
| SE543642C2 (en) * | 2019-09-23 | 2021-05-11 | Greeniron H2 Ab | Method and device for producing direct reduced, carburized metal |
| SE544421C2 (en) | 2020-06-26 | 2022-05-17 | Greeniron H2 Ab | Method and device for producing direct reduced metal |
| SE544879C2 (en) * | 2021-03-12 | 2022-12-20 | Greeniron H2 Ab | Method and system for producing direct reduced metal |
| SE545792C2 (en) * | 2022-05-20 | 2024-02-06 | Greeniron H2 Ab | Method and device for producing direct reduced metal |
| PL442531A1 (pl) * | 2022-10-14 | 2024-04-15 | Seco/Warwick Spółka Akcyjna | Sposób termicznej redukcji tlenków żelaza z użyciem wodoru oraz urządzenie do stosowania tego sposobu |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3098738A (en) * | 1954-08-30 | 1963-07-23 | Gas Inc | Method of heating and sintering |
| US3148050A (en) * | 1959-11-27 | 1964-09-08 | Huttenwerk Oberhausen A G Fa | Process for the reduction of ores in a reaction furnace |
| US3032410A (en) * | 1960-02-11 | 1962-05-01 | William R O'day | Method and apparatus for the direct reduction of ores and subsequent fusion in a continuous operation |
-
1974
- 1974-05-09 SE SE7406175A patent/SE382078B/xx not_active IP Right Cessation
-
1975
- 1975-04-28 ES ES437082A patent/ES437082A1/es not_active Expired
- 1975-04-28 ES ES437077A patent/ES437077A1/es not_active Expired
- 1975-05-05 US US05/574,576 patent/US3964898A/en not_active Expired - Lifetime
- 1975-05-07 FR FR7514396A patent/FR2270331B1/fr not_active Expired
- 1975-05-08 CA CA226,504A patent/CA1060218A/en not_active Expired
- 1975-05-08 JP JP50054343A patent/JPS50158513A/ja active Pending
- 1975-05-08 SU SU752132935A patent/SU639485A3/ru active
- 1975-05-09 ZA ZA00752990A patent/ZA752990B/xx unknown
- 1975-05-09 IT IT68175/75A patent/IT1044502B/it active
- 1975-05-09 DE DE19752520564 patent/DE2520564A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3964898A (en) | 1976-06-22 |
| FR2270331B1 (index.php) | 1979-10-05 |
| ES437082A1 (es) | 1977-01-16 |
| JPS50158513A (index.php) | 1975-12-22 |
| FR2270331A1 (index.php) | 1975-12-05 |
| ZA752990B (en) | 1976-07-28 |
| DE2520564A1 (de) | 1975-11-20 |
| IT1044502B (it) | 1980-03-31 |
| SE382078B (sv) | 1976-01-12 |
| SE7406175L (sv) | 1975-11-10 |
| ES437077A1 (es) | 1977-02-01 |
| SU639485A3 (ru) | 1978-12-25 |
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