CN1314817C - Process for producing direct reduced iron with coal as reducer - Google Patents
Process for producing direct reduced iron with coal as reducer Download PDFInfo
- Publication number
- CN1314817C CN1314817C CNB2004100376073A CN200410037607A CN1314817C CN 1314817 C CN1314817 C CN 1314817C CN B2004100376073 A CNB2004100376073 A CN B2004100376073A CN 200410037607 A CN200410037607 A CN 200410037607A CN 1314817 C CN1314817 C CN 1314817C
- Authority
- CN
- China
- Prior art keywords
- kiln
- iron
- reduced iron
- pelletizing
- coal
- 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 - Fee Related
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Landscapes
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100376073A CN1314817C (en) | 2004-04-26 | 2004-04-26 | Process for producing direct reduced iron with coal as reducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100376073A CN1314817C (en) | 2004-04-26 | 2004-04-26 | Process for producing direct reduced iron with coal as reducer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1690227A CN1690227A (en) | 2005-11-02 |
CN1314817C true CN1314817C (en) | 2007-05-09 |
Family
ID=35345981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100376073A Expired - Fee Related CN1314817C (en) | 2004-04-26 | 2004-04-26 | Process for producing direct reduced iron with coal as reducer |
Country Status (1)
Country | Link |
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CN (1) | CN1314817C (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1314817C (en) * | 2004-04-26 | 2007-05-09 | 中国地质科学院 | Process for producing direct reduced iron with coal as reducer |
CN101307372B (en) * | 2007-05-18 | 2010-08-11 | 王云龙 | Device for manufacturing and reducing crust pellet and production process |
CN101985689B (en) * | 2010-11-02 | 2012-05-23 | 武汉科技大学 | Composite binder for iron ore pellets and preparation method thereof |
CN103820592A (en) * | 2014-01-28 | 2014-05-28 | 酒泉钢铁(集团)有限责任公司 | Oxygen-free cooling technology capable of directly using blast furnace gas with low heating value for reducing high-temperature material |
CN113637842A (en) * | 2021-08-16 | 2021-11-12 | 中南大学 | Double-layer pellet pelletizing system |
CN114875193A (en) * | 2022-02-28 | 2022-08-09 | 中冶华天工程技术有限公司 | Novel cooling and screening device and method for direct reduced iron |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1300860A (en) * | 2000-10-31 | 2001-06-27 | 中国地质科学院 | Method for removing coating from coated spheres |
CN1382812A (en) * | 2001-06-01 | 2002-12-04 | 新兴铸管股份有限公司 | Process for preparing semi-metallized spheroids |
CN1690227A (en) * | 2004-04-26 | 2005-11-02 | 中国地质科学院 | Process for producing direct reduced iron with coal as reducer |
-
2004
- 2004-04-26 CN CNB2004100376073A patent/CN1314817C/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1300860A (en) * | 2000-10-31 | 2001-06-27 | 中国地质科学院 | Method for removing coating from coated spheres |
CN1382812A (en) * | 2001-06-01 | 2002-12-04 | 新兴铸管股份有限公司 | Process for preparing semi-metallized spheroids |
CN1690227A (en) * | 2004-04-26 | 2005-11-02 | 中国地质科学院 | Process for producing direct reduced iron with coal as reducer |
Non-Patent Citations (2)
Title |
---|
云母类矿物影响铁精矿球团的研究 杨大兵 张一敏,烧结球团,第28卷第2期 2003 * |
包壳矿煤球团烧结法还原-细磨选矿的实验研究 周国凡 韩志军,烧结球团,第23卷第2期 1998 * |
Also Published As
Publication number | Publication date |
---|---|
CN1690227A (en) | 2005-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081219 Address after: Beijing City, Haidian District Qinghe town of Fort Shuangquan 125 Hospital No. 1 Building 1 unit 202 Patentee after: Guo Min Address before: No 26 Zhuang Street, Beijing Patentee before: Chinese Academy of Geologic Sciences |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090227 Address after: Room 4B61, No. 11 Huatong Road, Changping District science and Technology Park, Beijing Patentee after: Beijing Baicheng sunshine Direct Reduction Technology Co., Ltd. Address before: Beijing City, Haidian District Qinghe town of Fort Shuangquan 125 Hospital No. 1 Building 1 unit 202 Patentee before: Guo Min |
|
ASS | Succession or assignment of patent right |
Owner name: BEIJING BAICHENG SUN REVIVIFICATION TECHNOLOGY CO. Free format text: FORMER OWNER: GUO MIN Effective date: 20090227 Owner name: GUO MIN Free format text: FORMER OWNER: CHINA GEOLOGY ACADEMY OF SCIENCES Effective date: 20081219 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070509 Termination date: 20110426 |