ZA202108518B - System and method for recovering and directly reducing cascade waste heat of iron-containing metallurgical slag particles - Google Patents

System and method for recovering and directly reducing cascade waste heat of iron-containing metallurgical slag particles

Info

Publication number
ZA202108518B
ZA202108518B ZA2021/08518A ZA202108518A ZA202108518B ZA 202108518 B ZA202108518 B ZA 202108518B ZA 2021/08518 A ZA2021/08518 A ZA 2021/08518A ZA 202108518 A ZA202108518 A ZA 202108518A ZA 202108518 B ZA202108518 B ZA 202108518B
Authority
ZA
South Africa
Prior art keywords
recovering
iron
waste heat
slag particles
metallurgical slag
Prior art date
Application number
ZA2021/08518A
Inventor
Zongliang Zuo
Jingkui Zhang
Siyi Luo
Qingbo Yu
Original Assignee
Univ Qingdao Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ Qingdao Technology filed Critical Univ Qingdao Technology
Publication of ZA202108518B publication Critical patent/ZA202108518B/en

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
    • C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C21B3/08—Cooling slag
    • 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
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/248—Binding; Briquetting ; Granulating of metal scrap or alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/08—Treatment of slags originating from iron or steel processes with energy recovery
    • 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]
    • 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
    • Y02P10/20—Recycling
ZA2021/08518A 2019-12-12 2021-11-02 System and method for recovering and directly reducing cascade waste heat of iron-containing metallurgical slag particles ZA202108518B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911273625.4A CN110923387B (en) 2019-12-12 2019-12-12 Iron-containing metallurgical slag particle step waste heat recovery and direct reduction system and method
PCT/CN2020/128914 WO2021115029A1 (en) 2019-12-12 2020-11-16 Iron-containing metallurgical slag granule graded waste heat recovery and direct reduction system and method

Publications (1)

Publication Number Publication Date
ZA202108518B true ZA202108518B (en) 2022-05-25

Family

ID=69859229

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/08518A ZA202108518B (en) 2019-12-12 2021-11-02 System and method for recovering and directly reducing cascade waste heat of iron-containing metallurgical slag particles

Country Status (3)

Country Link
CN (1) CN110923387B (en)
WO (1) WO2021115029A1 (en)
ZA (1) ZA202108518B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110872531B (en) * 2019-12-12 2021-07-13 青岛理工大学 Step waste heat recovery device and method utilizing pyrolysis gasification of solid particle heat carrier
CN110923387B (en) * 2019-12-12 2021-05-11 青岛理工大学 Iron-containing metallurgical slag particle step waste heat recovery and direct reduction system and method
CN111733322A (en) * 2020-06-22 2020-10-02 青岛理工大学 Device system and method for absorbing copper slag waste heat in stepped manner based on coal gasification reaction
CN113117678A (en) * 2021-04-07 2021-07-16 青岛理工大学 Metallurgical slag granulation-catalyst preparation and modification integrated device system and method
CN113237789B (en) * 2021-05-12 2023-07-28 雅安百图高新材料股份有限公司 Method for detecting content of organic modifier on surface of alumina powder
CN114012100A (en) * 2021-11-09 2022-02-08 宁波新睦科技有限公司 Raw material powder preparation process for powder metallurgy
CN113912021B (en) * 2021-11-16 2022-12-20 上海驰春节能科技有限公司 System and process for producing sulfur and cement clinker by using industrial byproduct gypsum in cooperation with metallurgical slag solution
CN114672604B (en) * 2022-03-31 2023-06-16 鞍钢股份有限公司 Method for preparing direct reduced iron from carbon-containing waste
CN114686632B (en) * 2022-04-08 2024-03-22 瀜矿环保科技(上海)有限公司 Copper slag recycling and CO based on industrial solid waste 2 Mineralization coupling method and mineralization coupling system
CN114854911B (en) * 2022-04-22 2023-11-24 南京迎信技术有限公司 Device and method for utilizing heat energy of high-temperature steel slag
CN115014086B (en) * 2022-05-31 2023-07-14 西安交通大学 System and method for preparing ceramsite by adopting garbage fly ash in garbage incineration power plant
CN116970411A (en) * 2023-09-12 2023-10-31 亚德（上海）环保系统有限公司 Sludge treatment device and working method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000510537A (en) * 1997-12-20 2000-08-15 ポーハング アイアン アンド スティール シーオー．，エルティディ． Apparatus for producing molten pig iron and reduced iron by using a fluidized bed, and a method therefor
US6391086B1 (en) * 2001-03-20 2002-05-21 Northstar Steel Co. Method for the use of electric steel plant slag for self-reducing agglomerates
CN101538632B (en) * 2009-02-05 2011-04-20 丁家伟 Preparation process and device of sponge iron
CN101838743B (en) * 2010-06-23 2012-05-23 攀枝花学院 Method for recovering ferrum, vanadium, chromium and gallium from vanadium extraction tailings
CN104694679B (en) * 2015-03-17 2017-09-29 马鞍山市华东冶金科技发展有限公司 A kind of slag heat recoverying and utilizing method
CN105038827B (en) * 2015-07-10 2017-10-10 北京雷浩环保能源技术有限公司 A kind of low order broken coal sub-prime classification gradient utilization system and method
CN106086276B (en) * 2016-09-09 2018-05-29 东北大学 It is a kind of to recycle copper ashes waste heat and be reduced directly the system and method for carrying iron
KR101918715B1 (en) * 2018-05-18 2019-01-22 주황윤 Effective Energy Conservation Technology in Recycling Process of by-Products containing Zn and Fe
CN109097588A (en) * 2018-10-26 2018-12-28 宝钢工程技术集团有限公司 A kind of device and method that iron content solid wastes recycling containing zinc utilizes
CN110923387B (en) * 2019-12-12 2021-05-11 青岛理工大学 Iron-containing metallurgical slag particle step waste heat recovery and direct reduction system and method

Also Published As

Publication number Publication date
WO2021115029A1 (en) 2021-06-17
CN110923387B (en) 2021-05-11
CN110923387A (en) 2020-03-27

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