CN101457269A - Process for directly producing sponge iron by microwave carbothermal reduction steel metallurgical iron-bearing dust - Google Patents
Process for directly producing sponge iron by microwave carbothermal reduction steel metallurgical iron-bearing dust Download PDFInfo
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- CN101457269A CN101457269A CNA2008102370065A CN200810237006A CN101457269A CN 101457269 A CN101457269 A CN 101457269A CN A2008102370065 A CNA2008102370065 A CN A2008102370065A CN 200810237006 A CN200810237006 A CN 200810237006A CN 101457269 A CN101457269 A CN 101457269A
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CN2008102370065A CN101457269B (en) | 2008-12-30 | 2008-12-30 | Process for directly producing sponge iron by microwave carbothermal reduction steel metallurgical iron-bearing dust |
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CN2008102370065A CN101457269B (en) | 2008-12-30 | 2008-12-30 | Process for directly producing sponge iron by microwave carbothermal reduction steel metallurgical iron-bearing dust |
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CN101457269A true CN101457269A (en) | 2009-06-17 |
CN101457269B CN101457269B (en) | 2010-10-13 |
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CN2008102370065A Expired - Fee Related CN101457269B (en) | 2008-12-30 | 2008-12-30 | Process for directly producing sponge iron by microwave carbothermal reduction steel metallurgical iron-bearing dust |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101914685A (en) * | 2010-08-19 | 2010-12-15 | 北京科技大学 | Method for preparing metal iron and zinc/zinc oxide from electric furnace dust |
CN102534264A (en) * | 2012-02-24 | 2012-07-04 | 湖南阳东微波科技有限公司 | Technique for producing and reducing ilmenite in industrial microwave kiln |
CN102766718A (en) * | 2012-07-24 | 2012-11-07 | 新冶高科技集团有限公司 | Method for producing sponge iron and zinc-rich materials by blast furnace zinc-containing ash |
CN102978320A (en) * | 2012-11-23 | 2013-03-20 | 武钢集团昆明钢铁股份有限公司 | Method for preparing direct-reduction iron by reducing carbon-containing iron ore powder in microwave heating manner |
CN103131815A (en) * | 2013-03-19 | 2013-06-05 | 李学文 | Technique for producing spongy iron and nickel iron by microwave high-temperature continuous reduction |
CN103205519A (en) * | 2013-04-25 | 2013-07-17 | 石家庄市宏晟环保科技有限公司 | Technology for extracting iron from steel-making and ironmaking fly ash by micro-wave heating |
CN103290159A (en) * | 2013-06-06 | 2013-09-11 | 昆明钢铁集团有限责任公司 | Method for producing directly-reduced iron powder in microwave heating manner |
CN104028358A (en) * | 2014-06-16 | 2014-09-10 | 中国矿业大学 | Fine coal microwave medium intensified magnetic separation cleaning system and fine coal microwave medium intensified magnetic separation cleaning process |
CN104745757A (en) * | 2013-12-27 | 2015-07-01 | 中冶长天国际工程有限责任公司 | Microwave-fuel combined heating-type coal-based direct reduction method and rotary hearth furnace |
CN107034356A (en) * | 2017-05-09 | 2017-08-11 | 江苏省冶金设计院有限公司 | A kind of method of microwave tunnel kiln reduction apparatus and its smart iron ore of reduction |
CN107779536A (en) * | 2016-08-31 | 2018-03-09 | 中冶长天国际工程有限责任公司 | One kind direct-reduction iron production method and device |
CN109022808A (en) * | 2018-08-24 | 2018-12-18 | 贵州省冶金化工研究所 | A kind of comprehensive recovering process of the dust of Ferrous Metallurgy containing zinc |
CN110004291A (en) * | 2019-04-23 | 2019-07-12 | 中南大学 | A kind of method of Ferrous Metallurgy dust efficient process co-production direct-reduction iron powder |
WO2020107670A1 (en) * | 2018-11-26 | 2020-06-04 | 贵州大学 | Method for concentrating iron by comprehensively utilizing steelmaking dust |
CN113293251A (en) * | 2021-06-02 | 2021-08-24 | 昆明理工大学 | High-added-value recycling method for microwave-reinforced steel slag grain steel |
-
2008
- 2008-12-30 CN CN2008102370065A patent/CN101457269B/en not_active Expired - Fee Related
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101914685A (en) * | 2010-08-19 | 2010-12-15 | 北京科技大学 | Method for preparing metal iron and zinc/zinc oxide from electric furnace dust |
CN102534264A (en) * | 2012-02-24 | 2012-07-04 | 湖南阳东微波科技有限公司 | Technique for producing and reducing ilmenite in industrial microwave kiln |
CN102766718A (en) * | 2012-07-24 | 2012-11-07 | 新冶高科技集团有限公司 | Method for producing sponge iron and zinc-rich materials by blast furnace zinc-containing ash |
CN102766718B (en) * | 2012-07-24 | 2013-11-27 | 新冶高科技集团有限公司 | Method for producing sponge iron and zinc-rich materials by blast furnace zinc-containing ash |
CN102978320A (en) * | 2012-11-23 | 2013-03-20 | 武钢集团昆明钢铁股份有限公司 | Method for preparing direct-reduction iron by reducing carbon-containing iron ore powder in microwave heating manner |
CN103131815A (en) * | 2013-03-19 | 2013-06-05 | 李学文 | Technique for producing spongy iron and nickel iron by microwave high-temperature continuous reduction |
CN103131815B (en) * | 2013-03-19 | 2014-10-01 | 李学文 | Technique for producing spongy iron and nickel iron by microwave high-temperature continuous reduction |
CN103205519A (en) * | 2013-04-25 | 2013-07-17 | 石家庄市宏晟环保科技有限公司 | Technology for extracting iron from steel-making and ironmaking fly ash by micro-wave heating |
CN103290159A (en) * | 2013-06-06 | 2013-09-11 | 昆明钢铁集团有限责任公司 | Method for producing directly-reduced iron powder in microwave heating manner |
CN103290159B (en) * | 2013-06-06 | 2015-09-09 | 昆明钢铁集团有限责任公司 | The method of direct-reduction iron powder is produced in a kind of microwave heating |
CN104745757A (en) * | 2013-12-27 | 2015-07-01 | 中冶长天国际工程有限责任公司 | Microwave-fuel combined heating-type coal-based direct reduction method and rotary hearth furnace |
CN104745757B (en) * | 2013-12-27 | 2017-06-16 | 中冶长天国际工程有限责任公司 | A kind of microwave fuel combined heat formula coal-based direct reduction method and rotary hearth furnace |
CN104028358A (en) * | 2014-06-16 | 2014-09-10 | 中国矿业大学 | Fine coal microwave medium intensified magnetic separation cleaning system and fine coal microwave medium intensified magnetic separation cleaning process |
CN104028358B (en) * | 2014-06-16 | 2016-02-17 | 中国矿业大学 | A kind of Bed for Fine Coal microwave-medium strengthening magnetic separation clean system and technique |
CN107779536A (en) * | 2016-08-31 | 2018-03-09 | 中冶长天国际工程有限责任公司 | One kind direct-reduction iron production method and device |
CN107779536B (en) * | 2016-08-31 | 2020-03-17 | 中冶长天国际工程有限责任公司 | Method and device for producing direct reduced iron |
CN107034356A (en) * | 2017-05-09 | 2017-08-11 | 江苏省冶金设计院有限公司 | A kind of method of microwave tunnel kiln reduction apparatus and its smart iron ore of reduction |
CN109022808A (en) * | 2018-08-24 | 2018-12-18 | 贵州省冶金化工研究所 | A kind of comprehensive recovering process of the dust of Ferrous Metallurgy containing zinc |
WO2020107670A1 (en) * | 2018-11-26 | 2020-06-04 | 贵州大学 | Method for concentrating iron by comprehensively utilizing steelmaking dust |
CN110004291A (en) * | 2019-04-23 | 2019-07-12 | 中南大学 | A kind of method of Ferrous Metallurgy dust efficient process co-production direct-reduction iron powder |
CN113293251A (en) * | 2021-06-02 | 2021-08-24 | 昆明理工大学 | High-added-value recycling method for microwave-reinforced steel slag grain steel |
CN113293251B (en) * | 2021-06-02 | 2022-05-27 | 昆明理工大学 | High-added-value recycling method for microwave-reinforced steel slag grain steel |
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CN101457269B (en) | 2010-10-13 |
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Owner name: CHONGQING KEJIAN METALLURGY MATERIAL CO., LTD. Free format text: FORMER OWNER: CHONGQING GAOLING INVESTMENT (GROUP) CO., LTD. Effective date: 20140724 |
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Free format text: CORRECT: ADDRESS; FROM: 400080 DADUKOU, CHONGQING TO: 401258 CHANGSHOU, CHONGQING |
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Effective date of registration: 20140724 Address after: 401258, Changshou District, Chongqing City Jiangnan District Street, steel auxiliary road three, No. 2 Patentee after: Chongqing Kejian Metallurgy Material Co., Ltd. Address before: Eight town 400080 Dadukou District of Chongqing Patentee before: Chongqing Gaoling Investment (Group) Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20101013 Termination date: 20161230 |