BR112023026020A2 - Método para operar forno de cuba e método para produzir ferro reduzido - Google Patents
Método para operar forno de cuba e método para produzir ferro reduzidoInfo
- Publication number
- BR112023026020A2 BR112023026020A2 BR112023026020A BR112023026020A BR112023026020A2 BR 112023026020 A2 BR112023026020 A2 BR 112023026020A2 BR 112023026020 A BR112023026020 A BR 112023026020A BR 112023026020 A BR112023026020 A BR 112023026020A BR 112023026020 A2 BR112023026020 A2 BR 112023026020A2
- Authority
- BR
- Brazil
- Prior art keywords
- shaft furnace
- reduced iron
- operating
- producing reduced
- furnace
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 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
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/02—Making pig-iron other than in blast furnaces in low shaft furnaces or 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
- C21B13/0086—Conditioning, transformation of reduced iron ores
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Iron (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
método para operar forno de cuba e método para produzir ferro reduzido. é fornecido um método para operar um forno de cuba que pode produzir ferro reduzido usando um forno de cuba sem pré-aquecer a matéria-prima enquanto reduz emissões de co2. um método para operar um forno de cuba, incluindo carregar minério aglomerado no forno de cuba e introduzir um gás redutor que consiste principalmente em h2 no forno de cuba para reduzir o óxido de ferro contido no minério aglomerado para obter ferro reduzido, em que um gás de temperatura aumentada contendo h2o, que é elevado para 800 °c ou mais alto por meio de combustão de h2 e o2, é soprado no forno de cuba a partir de uma posição acima de uma posição de introdução do gás redutor em uma direção de altura do forno de cuba.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021099710 | 2021-06-15 | ||
| PCT/JP2022/017431 WO2022264666A1 (ja) | 2021-06-15 | 2022-04-08 | シャフト炉の操業方法及び還元鉄の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112023026020A2 true BR112023026020A2 (pt) | 2024-02-27 |
Family
ID=84527337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023026020A BR112023026020A2 (pt) | 2021-06-15 | 2022-04-08 | Método para operar forno de cuba e método para produzir ferro reduzido |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP4353841A1 (pt) |
| JP (1) | JP7264313B1 (pt) |
| KR (1) | KR20240010493A (pt) |
| CN (1) | CN117480266A (pt) |
| AU (1) | AU2022294428A1 (pt) |
| BR (1) | BR112023026020A2 (pt) |
| WO (1) | WO2022264666A1 (pt) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5135367B2 (pt) * | 1972-09-04 | 1976-10-01 | ||
| JPS5630222U (pt) | 1979-08-08 | 1981-03-24 | ||
| JP5630223B2 (ja) * | 2010-11-10 | 2014-11-26 | 新日鐵住金株式会社 | 炉頂ガスを循環した直接還元炉の操業方法 |
| JP5630222B2 (ja) | 2010-11-10 | 2014-11-26 | 新日鐵住金株式会社 | 予熱原料を使用した直接還元炉の操業方法 |
| CN112176144A (zh) * | 2019-07-02 | 2021-01-05 | 上海梅山钢铁股份有限公司 | 一种氢气喷吹炼铁竖炉装置及实现氢气炼铁低能耗的方法 |
-
2022
- 2022-04-08 EP EP22824661.7A patent/EP4353841A1/en active Pending
- 2022-04-08 AU AU2022294428A patent/AU2022294428A1/en active Pending
- 2022-04-08 CN CN202280042008.7A patent/CN117480266A/zh active Pending
- 2022-04-08 BR BR112023026020A patent/BR112023026020A2/pt unknown
- 2022-04-08 JP JP2022533660A patent/JP7264313B1/ja active Active
- 2022-04-08 KR KR1020237043860A patent/KR20240010493A/ko unknown
- 2022-04-08 WO PCT/JP2022/017431 patent/WO2022264666A1/ja active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2022264666A1 (pt) | 2022-12-22 |
| EP4353841A1 (en) | 2024-04-17 |
| KR20240010493A (ko) | 2024-01-23 |
| WO2022264666A1 (ja) | 2022-12-22 |
| CN117480266A (zh) | 2024-01-30 |
| JP7264313B1 (ja) | 2023-04-25 |
| AU2022294428A1 (en) | 2023-11-16 |
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