Method for recycling iron-containing by-products discharged from coal-based ironmaking process, system used therefor, and direct-reduced iron agglomeration system
The present invention relates to a method for recycling by-products, produced in the form of dust or sludge from a coal-based ironmaking process and containing a large amount of valuable components, in a process of manufacturing agglomerated reduced iron and to an agglomeration system. The present i...
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| creator | YOON SHI-KYUNG KIM HYUN-SOO LEE DAL-HOI KO CHANG-KUK CHO MIN-YOUNG CHOI MOO-EOB LEE JONG-YEOL |
| description | The present invention relates to a method for recycling by-products, produced in the form of dust or sludge from a coal-based ironmaking process and containing a large amount of valuable components, in a process of manufacturing agglomerated reduced iron and to an agglomeration system. The present invention provides a direct-reduced iron agglomeration system and a corresponding agglomeration method, the direct-reduced iron agglomeration system comprising: a fluidized reduction furnace for reducing fine iron ore into reduced iron; a reduced iron storage tank for storing the reduced iron and feeding the stored reduced iron to an agglomeration apparatus, the reduced iron storage tank being connected to the fluidized reduction furnace through a reduced iron discharge pipe; the agglomeration apparatus for agglomerating the reduced iron fed from the reduced iron storage tank; and an conveying means for conveying agglomerates of the by-products produced from the ironmaking process through a by-product feed pipeline, wherein the by-product feed pipeline feeds the agglomerates of the by-products to at least one selected from the fluidized reduction furnace, the reduced iron discharge pipe, and the reduced iron storage tank. |
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The present invention provides a direct-reduced iron agglomeration system and a corresponding agglomeration method, the direct-reduced iron agglomeration system comprising: a fluidized reduction furnace for reducing fine iron ore into reduced iron; a reduced iron storage tank for storing the reduced iron and feeding the stored reduced iron to an agglomeration apparatus, the reduced iron storage tank being connected to the fluidized reduction furnace through a reduced iron discharge pipe; the agglomeration apparatus for agglomerating the reduced iron fed from the reduced iron storage tank; and an conveying means for conveying agglomerates of the by-products produced from the ironmaking process through a by-product feed pipeline, wherein the by-product feed pipeline feeds the agglomerates of the by-products to at least one selected from the fluidized reduction furnace, the reduced iron discharge pipe, and the reduced iron storage tank.</description><language>eng</language><subject>CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; MANUFACTURE OF IRON OR STEEL ; METALLURGY ; METALLURGY OF IRON ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151125&DB=EPODOC&CC=CN&NR=105102642A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151125&DB=EPODOC&CC=CN&NR=105102642A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YOON SHI-KYUNG</creatorcontrib><creatorcontrib>KIM HYUN-SOO</creatorcontrib><creatorcontrib>LEE DAL-HOI</creatorcontrib><creatorcontrib>KO CHANG-KUK</creatorcontrib><creatorcontrib>CHO MIN-YOUNG</creatorcontrib><creatorcontrib>CHOI MOO-EOB</creatorcontrib><creatorcontrib>LEE JONG-YEOL</creatorcontrib><title>Method for recycling iron-containing by-products discharged from coal-based ironmaking process, system used therefor, and direct-reduced iron agglomeration system</title><description>The present invention relates to a method for recycling by-products, produced in the form of dust or sludge from a coal-based ironmaking process and containing a large amount of valuable components, in a process of manufacturing agglomerated reduced iron and to an agglomeration system. The present invention provides a direct-reduced iron agglomeration system and a corresponding agglomeration method, the direct-reduced iron agglomeration system comprising: a fluidized reduction furnace for reducing fine iron ore into reduced iron; a reduced iron storage tank for storing the reduced iron and feeding the stored reduced iron to an agglomeration apparatus, the reduced iron storage tank being connected to the fluidized reduction furnace through a reduced iron discharge pipe; the agglomeration apparatus for agglomerating the reduced iron fed from the reduced iron storage tank; and an conveying means for conveying agglomerates of the by-products produced from the ironmaking process through a by-product feed pipeline, wherein the by-product feed pipeline feeds the agglomerates of the by-products to at least one selected from the fluidized reduction furnace, the reduced iron discharge pipe, and the reduced iron storage tank.</description><subject>CHEMISTRY</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>MANUFACTURE OF IRON OR STEEL</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjT0OgkAQhWksjHqHsXcTwJ_eGI2NVvZkWEbYCDtkZi24jid1iRzAavJl3vfePPncKDRcwZMFhOxgW-drcMLeWPYBnR-5HEwvXL1tUKic2galpigJd2AZW1OiRh61Dl-jEeOWVDeggwbq4D3-Q0NCcWkD6KtYFAeDEYq9kwxY1y13JBhcpJ-7TGZPbJVW010k68v5cboa6rkg7dGSp1Cc7lm6z9L8sMuP238yX3meVss</recordid><startdate>20151125</startdate><enddate>20151125</enddate><creator>YOON SHI-KYUNG</creator><creator>KIM HYUN-SOO</creator><creator>LEE DAL-HOI</creator><creator>KO CHANG-KUK</creator><creator>CHO MIN-YOUNG</creator><creator>CHOI MOO-EOB</creator><creator>LEE JONG-YEOL</creator><scope>EVB</scope></search><sort><creationdate>20151125</creationdate><title>Method for recycling iron-containing by-products discharged from coal-based ironmaking process, system used therefor, and direct-reduced iron agglomeration system</title><author>YOON SHI-KYUNG ; 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The present invention provides a direct-reduced iron agglomeration system and a corresponding agglomeration method, the direct-reduced iron agglomeration system comprising: a fluidized reduction furnace for reducing fine iron ore into reduced iron; a reduced iron storage tank for storing the reduced iron and feeding the stored reduced iron to an agglomeration apparatus, the reduced iron storage tank being connected to the fluidized reduction furnace through a reduced iron discharge pipe; the agglomeration apparatus for agglomerating the reduced iron fed from the reduced iron storage tank; and an conveying means for conveying agglomerates of the by-products produced from the ironmaking process through a by-product feed pipeline, wherein the by-product feed pipeline feeds the agglomerates of the by-products to at least one selected from the fluidized reduction furnace, the reduced iron discharge pipe, and the reduced iron storage tank.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Method for recycling iron-containing by-products discharged from coal-based ironmaking process, system used therefor, and direct-reduced iron agglomeration system |
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