JPS62263910A - 竪型直接還元炉における高炭素含量還元鉄を製造する方法および装置 - Google Patents
竪型直接還元炉における高炭素含量還元鉄を製造する方法および装置Info
- Publication number
- JPS62263910A JPS62263910A JP62062811A JP6281187A JPS62263910A JP S62263910 A JPS62263910 A JP S62263910A JP 62062811 A JP62062811 A JP 62062811A JP 6281187 A JP6281187 A JP 6281187A JP S62263910 A JPS62263910 A JP S62263910A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- furnace
- zone
- mixture
- natural 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.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 36
- 229910052799 carbon Inorganic materials 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 111
- 239000007789 gas Substances 0.000 claims description 98
- 239000003345 natural gas Substances 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 27
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 229930195733 hydrocarbon Natural products 0.000 claims description 11
- 150000002430 hydrocarbons Chemical class 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000008188 pellet Substances 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000002407 reforming Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 3
- 239000003638 chemical reducing agent Substances 0.000 claims 2
- 238000003763 carbonization Methods 0.000 claims 1
- 229940095674 pellet product Drugs 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000006722 reduction reaction Methods 0.000 description 26
- 239000000047 product Substances 0.000 description 23
- 238000001816 cooling Methods 0.000 description 15
- 238000000354 decomposition reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 235000013980 iron oxide Nutrition 0.000 description 4
- 238000010744 Boudouard reaction Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
-
- 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
-
- 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
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/842,513 US4702766A (en) | 1986-03-21 | 1986-03-21 | Method of increasing carbon content of direct reduced iron and apparatus |
| US842513 | 1986-03-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62263910A true JPS62263910A (ja) | 1987-11-16 |
| JPH0246644B2 JPH0246644B2 (enExample) | 1990-10-16 |
Family
ID=25287498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62062811A Granted JPS62263910A (ja) | 1986-03-21 | 1987-03-19 | 竪型直接還元炉における高炭素含量還元鉄を製造する方法および装置 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4702766A (enExample) |
| JP (1) | JPS62263910A (enExample) |
| AT (1) | AT394394B (enExample) |
| CA (1) | CA1287209C (enExample) |
| DE (1) | DE3709071A1 (enExample) |
| GB (1) | GB2188067B (enExample) |
| MX (1) | MX166840B (enExample) |
| MY (1) | MY100193A (enExample) |
| SU (1) | SU1674693A3 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024519148A (ja) * | 2021-05-26 | 2024-05-08 | アルセロールミタル | 直接還元鉄を製造するための方法 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4897113A (en) * | 1985-09-23 | 1990-01-30 | Hylsa, S.A. | Direct reduction process in reactor with hot discharge |
| US4834792A (en) * | 1986-08-21 | 1989-05-30 | Hylsa S.A. De C.V. | Method for producing hot sponge iron by introducing hydrocarbon for carburizing into reduction zone |
| CA2090906A1 (en) * | 1992-03-05 | 1993-09-06 | Corporacion Venezolana De Guayana (Cvg) | Method for improving quality of reforming gas used in the direct reduction of metal oxides |
| AT404256B (de) * | 1996-11-06 | 1998-10-27 | Voest Alpine Ind Anlagen | Verfahren zum herstellen von eisenschwamm |
| US6342089B1 (en) | 1997-09-02 | 2002-01-29 | Mcgaa John R. | Direct reduced iron pellets |
| EP2221388A1 (en) * | 2000-03-30 | 2010-08-25 | Kabushiki Kaisha Kobe Seiko Sho | "Method of producing metallic iron and raw material feed device" |
| JP4266284B2 (ja) * | 2001-07-12 | 2009-05-20 | 株式会社神戸製鋼所 | 金属鉄の製法 |
| JP2009507134A (ja) * | 2005-08-30 | 2009-02-19 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 鉱石還元方法、ならびに酸化チタンおよび鉄金属化生成物 |
| AU2008312639B2 (en) * | 2007-10-15 | 2012-11-08 | The Chemours Company Fc,Llc | Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom |
| US10508314B2 (en) | 2015-06-24 | 2019-12-17 | Midrex Technologies, Inc. | Methods and systems for increasing the carbon content of sponge iron in a reduction furnace |
| US10316376B2 (en) * | 2015-06-24 | 2019-06-11 | Midrex Technologies, Inc. | Methods and systems for increasing the carbon content of sponge iron in a reduction furnace |
| EP3397780B1 (en) | 2015-12-28 | 2020-04-08 | HYL Technologies, S.A. de C.V. | Method and system for producing high-carbon dri using syngas |
| WO2018057025A1 (en) * | 2016-09-20 | 2018-03-29 | Midrex Technologies, Inc. | Methods and systems for increasing the carbon content of sponge iron in a reduction furnace |
| IT201900002081A1 (it) * | 2019-02-13 | 2020-08-13 | Danieli Off Mecc | Impianto di riduzione diretta e relativo processo |
| US12084730B2 (en) | 2020-03-24 | 2024-09-10 | Midrex Technologies, Inc. | Methods and systems for increasing the carbon content of direct reduced iron in a reduction furnace |
| JP7424339B2 (ja) | 2021-03-31 | 2024-01-30 | Jfeスチール株式会社 | 塊成物製造用の原料粒子、塊成物製造用の原料粒子の製造方法、塊成物、塊成物の製造方法および還元鉄の製造方法 |
| IT202300020244A1 (it) | 2023-10-02 | 2025-04-02 | Piergiorgio Luigi Fontana | Processo di riduzione di minerale di ferro alimentato con idrogeno |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054444A (en) * | 1975-09-22 | 1977-10-18 | Midrex Corporation | Method for controlling the carbon content of directly reduced iron |
| US4224057A (en) * | 1979-08-20 | 1980-09-23 | Hylsa, S.A. | Method for carburizing sponge iron |
| US4261734A (en) * | 1979-09-04 | 1981-04-14 | Hylsa, S.A. | Method of making sponge iron |
| GB2064590B (en) * | 1979-09-13 | 1984-07-25 | Kobe Steel Ltd | Gas reduction of iron oxide |
| US4333761A (en) * | 1979-10-22 | 1982-06-08 | Midrex Corporation | Method for direct reduction of iron using high sulfur gas |
| DE3317701C2 (de) * | 1983-05-16 | 1986-08-07 | Hylsa S.A., Monterrey, N.L. | Verfahren zum Betreiben eines Bewegtbett-Reduktionsreaktors mit vertikalem Schacht zum Reduzieren von Eisenerz zu Schwammeisen |
-
1986
- 1986-03-21 US US06/842,513 patent/US4702766A/en not_active Expired - Lifetime
-
1987
- 1987-03-13 GB GB8706027A patent/GB2188067B/en not_active Expired - Fee Related
- 1987-03-18 AT AT0064687A patent/AT394394B/de not_active IP Right Cessation
- 1987-03-19 DE DE19873709071 patent/DE3709071A1/de active Granted
- 1987-03-19 JP JP62062811A patent/JPS62263910A/ja active Granted
- 1987-03-19 CA CA000532406A patent/CA1287209C/en not_active Expired - Lifetime
- 1987-03-19 MY MYPI87000330A patent/MY100193A/en unknown
- 1987-03-20 SU SU874202226A patent/SU1674693A3/ru active
- 1987-03-20 MX MX005648A patent/MX166840B/es unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024519148A (ja) * | 2021-05-26 | 2024-05-08 | アルセロールミタル | 直接還元鉄を製造するための方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0246644B2 (enExample) | 1990-10-16 |
| CA1287209C (en) | 1991-08-06 |
| GB2188067B (en) | 1990-01-10 |
| SU1674693A3 (ru) | 1991-08-30 |
| DE3709071C2 (enExample) | 1993-08-05 |
| DE3709071A1 (de) | 1987-09-24 |
| GB2188067A (en) | 1987-09-23 |
| MY100193A (en) | 1990-03-29 |
| AT394394B (de) | 1992-03-25 |
| US4702766A (en) | 1987-10-27 |
| MX166840B (es) | 1993-02-09 |
| ATA64687A (de) | 1991-09-15 |
| GB8706027D0 (en) | 1987-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4054444A (en) | Method for controlling the carbon content of directly reduced iron | |
| US4046557A (en) | Method for producing metallic iron particles | |
| JPS62263910A (ja) | 竪型直接還元炉における高炭素含量還元鉄を製造する方法および装置 | |
| US5858057A (en) | Method for producing direct reduced iron with a controlled amount of carbon | |
| RU2650371C2 (ru) | Способ прямого восстановления с улучшенными качеством продукта и эффективностью технологического газа | |
| JPS62263911A (ja) | 竪型直接還元炉における高炭素含有還元鉄を製造する方法および装置 | |
| US3749386A (en) | Method and means for reducing iron oxides in a gaseous reduction process | |
| US5618032A (en) | Shaft furnace for production of iron carbide | |
| JPS5825727B2 (ja) | 粒状鉄鉱石のスポンジ鉄粒子への還元方法 | |
| US5437708A (en) | Iron carbide production in shaft furnace | |
| US4253867A (en) | Method of using a methane-containing gas for reducing iron ore | |
| JPH0365406B2 (enExample) | ||
| CN107881280A (zh) | 一种还原并冷却金属化球团的系统及方法 | |
| US3816101A (en) | Method for reducing iron oxides in a gaseous reduction process | |
| JPS5818963B2 (ja) | 粒状鉄鉱石のスポンジ鉄粒子への還元方法 | |
| US3909244A (en) | Process for directly reducing iron ores in the solid state under pressure | |
| JPS5847449B2 (ja) | 直接製鉄法 | |
| US4439233A (en) | Direct reduction of iron | |
| US4131452A (en) | Method for direct manufacture of crude steel | |
| CA1075913A (en) | Method and apparatus for producing metallic iron particles | |
| US4049440A (en) | Method for producing metallic iron pellets | |
| CA1088315A (en) | Shaft-furnace direct-reduction process for producing highly reduced iron-bearing material | |
| US4042226A (en) | Method and apparatus for producing metallic iron pellets | |
| KR20240118115A (ko) | 분철광석의 환원 방법 | |
| JP2001520310A (ja) | Driの浸炭を制御するための方法および装置 |