PL143895B1 - Method of directly reducing iron oxides containing materials - Google Patents
Method of directly reducing iron oxides containing materials Download PDFInfo
- Publication number
- PL143895B1 PL143895B1 PL1985254997A PL25499785A PL143895B1 PL 143895 B1 PL143895 B1 PL 143895B1 PL 1985254997 A PL1985254997 A PL 1985254997A PL 25499785 A PL25499785 A PL 25499785A PL 143895 B1 PL143895 B1 PL 143895B1
- Authority
- PL
- Poland
- Prior art keywords
- gas
- gasifier
- temperature
- returned
- generator
- Prior art date
Links
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
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
-
- 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
-
- 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
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- 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)
- Industrial Gases (AREA)
- Processing Of Solid Wastes (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Claims (9)
1. Zastrzezenia patentowe 1. • Sposób bezposredniej redukcji materialów zawierajacych tlenki zelaza za pomoca gazu otrzymanego w gazogeneratorze na drodze reakcji wegla z tlenem i ewentualnie para wodna z dodatkiem akceptorów siarki w zlozu fluidalnym, gdzie gaz generatorowy po oddzieleniu por¬ wanych czastek stalyoh doprowadza sie do pieca szybowego do bezposredniej redukcji a co naj¬ mniej czesc gazu odlotowego z pieca po odpyleniu na mokro spreza 1 zawraca do gazogenerato¬ ra, znamienny t y m, ze akceptory siarki i ewentualnie inne substancje dodatkowe o duzym rozdrobnieniu wprowadza sie Oddzielnie od wegla we wspól- i/lub przeciwpradzie do ga¬ zów tworzacych zloze fluidalne, przy czym gaz odlotowy z redukcyjnego pieca szybowego o ste¬ zeniu 15-30% C02 i o temperaturze 80-800 C zawraca sie i wprowadza z boku przez sciane gazo¬ generatora do zloza fluidalnego utrzymywanego w temperaturze co najmniej 1150°C, a zuzel wy¬ dzielajacy sie w stanie cieklym w temperaturze panujacej w gazogeneratorze zawierajacy popiól i zwiazki siarki i zbierajacy sie w postaci kapieli usuwa sie przez przewód spustowy w pobli¬ zu dna generatora, zas oiastki ciala stalego, oddzielone od gazu generatorowego, zmieszane z pylem weglowym o wielkosci ziarna do 3 mm zawraca sie i wprowadza w rejon dna gazogeneratora powyzej powierzchni kapieli zuzlowej.
2. * Sposób wedlug zastrz* 1,znamienny tym, ze frakcje wegla o wielkosci ziarna 3*25 mm, stosowanego do wytwarzania gazu generatorowego, wprowadza aie do gazogenera¬ tora przez Jego glowice ?
3. * Sposób wedlug zastrz. 1 lub 2, znamienny tym, ze czesc odpylonwgo 1 spre¬ zonego gazu odlotowego po przejsciu przez odwilzacz chlodniczy dodaje sie do gazu generato¬ rowego w celu wyregulowania stosunku ilosciowego tlenku wegla do dwutlenku wegla i wyregulo¬ wania temperatury otrzymywanego przy tym gazu redukujacego w przedziale 750-1000 C a ten gaz redukujacy kieruje do redukcyjnego pieca szybowego*
4. * Sposób wedlug zastrz* 3, znamienny tym, ze do gazu generatorowego dodaje sie gaz odlotowy o zawartosci wody ponizej 1%.
5. Sposób wedlug zastrz* 1, znamienny tym, ze zawracany gaz odlotowy podgrze¬ wa sie przed wprowadzeniem go do gazogeneratora, zwlaszcza do temperatury 500-700 C, przez spalenie pewnej ilosci odpylonego gazu odlotowego*
6. * Sposób wedlug zastrz* 5, znamienny tym, ze do gazogeneratora zawraca sie 30-50% calkowitej Ilosci otrzymywanego gazu odlotowego*
7. Sposób wedlug zastrz* 1,znamienny tym, ze akceptory siarki i ewentual¬ nie inne substancje dodatkowe doprowadza sie do gazogeneratora równoczesnie w kilku miejscach*
8. * Sposób wedlug zastrz* 1 lub 7t znamienny tym, ze czastki stale, oddzielo¬ ne od gazu generatorowego, ochladza sie przed zawróceniem do gazogeneratora*
9. * Sposób wedlug zastrz* 8,znamienny tym, ze mieszanine czastek stalych oddzielonyh od gazu generatorowego, z pylem weglowym wdmuchuje sie do gazogeneratora sprezonym gazem odlotowym*1*3 895 32j 23 A 25 24 20 2^ 17 19 [tj^woda I \ 3? 33^r ^ \r^\ jpowietize 39' Pracownia Poligraficzna UP PRL. Naklad 100 egz. Cena 220 zl PL PL PL
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT263384A AT381954B (de) | 1984-08-16 | 1984-08-16 | Verfahren zur direktreduktion von eisenoxidhaeltigen materialien |
| CN85106200A CN85106200B (zh) | 1984-08-16 | 1985-08-15 | 直接还原原料中氧化铁的方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL254997A1 PL254997A1 (en) | 1986-07-15 |
| PL143895B1 true PL143895B1 (en) | 1988-03-31 |
Family
ID=25598831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1985254997A PL143895B1 (en) | 1984-08-16 | 1985-08-15 | Method of directly reducing iron oxides containing materials |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4729786A (pl) |
| EP (1) | EP0179752B1 (pl) |
| JP (1) | JPS6156217A (pl) |
| KR (1) | KR900006603B1 (pl) |
| CN (1) | CN85106200B (pl) |
| AT (1) | AT381954B (pl) |
| AU (1) | AU573871B2 (pl) |
| BR (1) | BR8503884A (pl) |
| CA (1) | CA1242077A (pl) |
| CS (1) | CS253732B2 (pl) |
| DD (1) | DD236115A5 (pl) |
| DE (1) | DE3562490D1 (pl) |
| ES (1) | ES8604788A1 (pl) |
| IN (1) | IN163388B (pl) |
| PH (1) | PH22254A (pl) |
| PL (1) | PL143895B1 (pl) |
| SU (1) | SU1438614A3 (pl) |
| ZA (1) | ZA855732B (pl) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT402938B (de) * | 1994-06-23 | 1997-09-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zur direktreduktion von verfahren und anlage zur direktreduktion von eisenoxidhältigem material eisenoxidhältigem material |
| AT406380B (de) | 1996-03-05 | 2000-04-25 | Voest Alpine Ind Anlagen | Verfahren zum herstellen von flüssigem roheisen oder flüssigen stahlvorprodukten sowie anlage zur durchführung des verfahrens |
| US6149859A (en) * | 1997-11-03 | 2000-11-21 | Texaco Inc. | Gasification plant for direct reduction reactors |
| US6200363B1 (en) * | 1998-10-09 | 2001-03-13 | Midrex International B.V. Rotterdam Zurich Branch | Direct reduced iron hot/cold discharge system |
| US6214086B1 (en) * | 1999-08-20 | 2001-04-10 | Midrex International B.V. Rotterdam, Zurich Branch | Direct reduced iron discharge system and method |
| PL1756322T3 (pl) * | 2004-05-31 | 2014-04-30 | Outotec Oyj | Sposób bezpośredniej redukcji |
| US7238222B2 (en) * | 2005-03-01 | 2007-07-03 | Peterson Oren V | Thermal synthesis production of steel |
| ITMI20050731A1 (it) * | 2005-04-22 | 2006-10-23 | Danieli Off Mecc | Forno di riduzione |
| LU91547B1 (en) * | 2009-04-03 | 2010-10-04 | Wurth Paul Sa | Method and installation for producing direct reduced iron |
| UA106761C2 (uk) * | 2009-06-10 | 2014-10-10 | Кекі Хормусджи Гхарда | Пристрій та спосіб виробництва чавуну, сталевого напівфабрикату та відновлювальних газів |
| AT509073B1 (de) * | 2009-12-23 | 2011-06-15 | Siemens Vai Metals Tech Gmbh | Verfahren und vorrichtung zur bereitstellung von reduktionsgas aus generatorgas |
| DE102011100490A1 (de) * | 2011-05-04 | 2012-11-08 | Outotec Oyj | Verfahren und Anlage zur Erzeugung und Weiterbehandlung von Brenngas |
| RU2462503C1 (ru) * | 2011-05-24 | 2012-09-27 | Государственное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" | Способ получения горючего газа, обогащенного водородом |
| EP2628805A1 (de) * | 2012-02-14 | 2013-08-21 | Siemens VAI Metals Technologies GmbH | Verfahren und Vorrichtung zur Reduktion von eisenoxidhältigen Einsatzstoffen in einem Hochdruckreduktionsaggregat |
| EP2664681A1 (de) * | 2012-05-16 | 2013-11-20 | Siemens VAI Metals Technologies GmbH | Verfahren und Vorrichtung zum Einbringen von feinteilchenförmigem Material in die Wirbelschicht eines Reduktionsaggregates |
| EP2905345A1 (de) * | 2014-02-10 | 2015-08-12 | Primetals Technologies Austria GmbH | Pneumatische Erzchargierung |
| CN114235734B (zh) * | 2021-10-25 | 2023-03-24 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种测定硫铁矿中高硫含量的方法 |
| CN114046497A (zh) * | 2021-11-17 | 2022-02-15 | 广东绿壳新能源有限公司 | 一种可以降低nox排放量的循环流化床锅炉 |
| CN114410351B (zh) * | 2022-01-28 | 2024-06-14 | 新疆八一钢铁股份有限公司 | 欧冶炉气化炉拱顶干煤粉造气的方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853538A (en) * | 1973-07-20 | 1974-12-10 | Steel Corp | Use of reducing gas by coal gasification for direct iron ore reduction |
| US4095960A (en) * | 1976-11-09 | 1978-06-20 | Schuhmann Reinhardt Jun | Apparatus and method for the gasification of solid carbonaceous material |
| DE2741805A1 (de) * | 1977-09-16 | 1979-03-29 | Rheinische Braunkohlenw Ag | Verfahren und vorrichtung zum vergasen von festem, kohlenstoffhaltigem material |
| US4173465A (en) * | 1978-08-15 | 1979-11-06 | Midrex Corporation | Method for the direct reduction of iron using gas from coal |
| DE2843303C2 (de) * | 1978-10-04 | 1982-12-16 | Korf-Stahl Ag, 7570 Baden-Baden | Verfahren und Anlage zur Erzeugung von flüssigem Roheisen und Reduktionsgas in einem Einschmelzvergaser |
| US4248626A (en) * | 1979-07-16 | 1981-02-03 | Midrex Corporation | Method for producing molten iron from iron oxide with coal and oxygen |
| US4234169A (en) * | 1979-09-24 | 1980-11-18 | Midrex Corporation | Apparatus for the direct reduction of iron and production of fuel gas using gas from coal |
| US4260412A (en) * | 1980-01-16 | 1981-04-07 | Midrex Corporation | Method of producing direct reduced iron with fluid bed coal gasification |
| DE3024977A1 (de) * | 1980-07-02 | 1982-01-28 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren zur herstellung von reaktionsgasen |
| DE3034539C2 (de) * | 1980-09-12 | 1982-07-22 | Korf-Stahl Ag, 7570 Baden-Baden | Verfahren und Vorrichtung zur direkten Erzeugung von flüssigem Roheisen aus stückigem Eisenerz |
| US4331470A (en) * | 1980-09-15 | 1982-05-25 | Midrex Corporation | Method for the direct reduction of iron in a shaft furnace using gas from coal |
| DE3104405C2 (de) * | 1981-02-07 | 1985-10-31 | SKF Steel Engineering AB, Hofors | Anlage und Verfahren zur Herstellung von Eisenschwamm |
| JPS57149405A (en) * | 1981-03-04 | 1982-09-16 | Esukeiefu Sttel Eng Ab | Manufacture of sponge iron and apparatus therefor |
-
1984
- 1984-08-16 AT AT263384A patent/AT381954B/de not_active IP Right Cessation
-
1985
- 1985-07-24 IN IN594/DEL/85A patent/IN163388B/en unknown
- 1985-07-24 AU AU45300/85A patent/AU573871B2/en not_active Ceased
- 1985-07-30 ZA ZA855732A patent/ZA855732B/xx unknown
- 1985-07-31 US US06/760,943 patent/US4729786A/en not_active Expired - Lifetime
- 1985-08-01 EP EP19850890171 patent/EP0179752B1/de not_active Expired
- 1985-08-01 DE DE8585890171T patent/DE3562490D1/de not_active Expired
- 1985-08-09 CA CA000488449A patent/CA1242077A/en not_active Expired
- 1985-08-13 PH PH32629A patent/PH22254A/en unknown
- 1985-08-14 ES ES546178A patent/ES8604788A1/es not_active Expired
- 1985-08-14 CS CS855894A patent/CS253732B2/cs unknown
- 1985-08-14 KR KR1019850005872A patent/KR900006603B1/ko not_active IP Right Cessation
- 1985-08-15 DD DD85279720A patent/DD236115A5/de unknown
- 1985-08-15 SU SU853938081A patent/SU1438614A3/ru active
- 1985-08-15 BR BR8503884A patent/BR8503884A/pt not_active IP Right Cessation
- 1985-08-15 CN CN85106200A patent/CN85106200B/zh not_active Expired
- 1985-08-15 PL PL1985254997A patent/PL143895B1/pl unknown
- 1985-08-16 JP JP60180899A patent/JPS6156217A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SU1438614A3 (ru) | 1988-11-15 |
| JPH0348245B2 (pl) | 1991-07-23 |
| PL254997A1 (en) | 1986-07-15 |
| ATA263384A (de) | 1986-05-15 |
| US4729786A (en) | 1988-03-08 |
| KR900006603B1 (ko) | 1990-09-13 |
| AU573871B2 (en) | 1988-06-23 |
| EP0179752B1 (de) | 1988-05-04 |
| AU4530085A (en) | 1986-02-20 |
| PH22254A (en) | 1988-07-01 |
| CA1242077A (en) | 1988-09-20 |
| ZA855732B (en) | 1986-03-26 |
| CN85106200A (zh) | 1987-03-04 |
| EP0179752A1 (de) | 1986-04-30 |
| JPS6156217A (ja) | 1986-03-20 |
| KR860002103A (ko) | 1986-03-26 |
| BR8503884A (pt) | 1986-05-27 |
| DD236115A5 (de) | 1986-05-28 |
| ES8604788A1 (es) | 1986-02-16 |
| ES546178A0 (es) | 1986-02-16 |
| CS253732B2 (en) | 1987-12-17 |
| CN85106200B (zh) | 1987-03-25 |
| AT381954B (de) | 1986-12-29 |
| DE3562490D1 (en) | 1988-06-09 |
| IN163388B (pl) | 1988-09-17 |
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