Method and device for improving energy efficiency of iron-making technology
The invention relates to a method for improving energy efficiency of an iron-making technology. Liquid blast furnace slag is introduced into a waste heat recovery tank body, and at the same time, a solid coolant is added into the waste heat recovery tank body; the solid coolant comprises at least ir...
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| creator | QING XUEMEI SHAO YUANJING YE LIDE XU HAILUN |
| description | The invention relates to a method for improving energy efficiency of an iron-making technology. Liquid blast furnace slag is introduced into a waste heat recovery tank body, and at the same time, a solid coolant is added into the waste heat recovery tank body; the solid coolant comprises at least iron-containing solid particles; slag flows and coolant material flows converge, so that a hot solid mixture material flow is formed; during the falling process, the hot solid mixture material flow is impacted and broken; scattered hot solid mixtures exchange heat with upstream cooling gas; high-temperature gas after heat exchange is exhausted out of the waste heat recovery tank body for recovery; and low-temperature solid mixtures after heat exchange are discharged out of the waste heat recovery tank body, and then crushing and magnetic separating are carried out, so that iron-containing solid particles and glassy-state blast furnace slag is obtained. The invention further relates to a device which can implement the method. According to the simple method for processing blast furnace slag, heat of the blast furnace slag can be effectively recovered; the provided device is simple in structure, easy to maintain and small in occupied area; local materials can be used as the coolant and the cooling gas and the like; and the investment cost and the operation cost are extremely low. |
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Liquid blast furnace slag is introduced into a waste heat recovery tank body, and at the same time, a solid coolant is added into the waste heat recovery tank body; the solid coolant comprises at least iron-containing solid particles; slag flows and coolant material flows converge, so that a hot solid mixture material flow is formed; during the falling process, the hot solid mixture material flow is impacted and broken; scattered hot solid mixtures exchange heat with upstream cooling gas; high-temperature gas after heat exchange is exhausted out of the waste heat recovery tank body for recovery; and low-temperature solid mixtures after heat exchange are discharged out of the waste heat recovery tank body, and then crushing and magnetic separating are carried out, so that iron-containing solid particles and glassy-state blast furnace slag is obtained. The invention further relates to a device which can implement the method. According to the simple method for processing blast furnace slag, heat of the blast furnace slag can be effectively recovered; the provided device is simple in structure, easy to maintain and small in occupied area; local materials can be used as the coolant and the cooling gas and the like; and the investment cost and the operation cost are extremely low.</description><language>eng</language><subject>CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT ; 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 ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</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=20151216&DB=EPODOC&CC=CN&NR=105154604A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151216&DB=EPODOC&CC=CN&NR=105154604A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>QING XUEMEI</creatorcontrib><creatorcontrib>SHAO YUANJING</creatorcontrib><creatorcontrib>YE LIDE</creatorcontrib><creatorcontrib>XU HAILUN</creatorcontrib><title>Method and device for improving energy efficiency of iron-making technology</title><description>The invention relates to a method for improving energy efficiency of an iron-making technology. Liquid blast furnace slag is introduced into a waste heat recovery tank body, and at the same time, a solid coolant is added into the waste heat recovery tank body; the solid coolant comprises at least iron-containing solid particles; slag flows and coolant material flows converge, so that a hot solid mixture material flow is formed; during the falling process, the hot solid mixture material flow is impacted and broken; scattered hot solid mixtures exchange heat with upstream cooling gas; high-temperature gas after heat exchange is exhausted out of the waste heat recovery tank body for recovery; and low-temperature solid mixtures after heat exchange are discharged out of the waste heat recovery tank body, and then crushing and magnetic separating are carried out, so that iron-containing solid particles and glassy-state blast furnace slag is obtained. The invention further relates to a device which can implement the method. According to the simple method for processing blast furnace slag, heat of the blast furnace slag can be effectively recovered; the provided device is simple in structure, easy to maintain and small in occupied area; local materials can be used as the coolant and the cooling gas and the like; and the investment cost and the operation cost are extremely low.</description><subject>CHEMISTRY</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT</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>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><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPD2TS3JyE9RSMxLUUhJLctMTlVIyy9SyMwtKMovy8xLV0jNSy1Kr1RITUvLTM5MzUuuVMhPU8gsys_TzU3MBikoSU3OyMvPyU-v5GFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFiclAw0rinf0MDUwNTU3MDEwcjYlRAwBZJDV4</recordid><startdate>20151216</startdate><enddate>20151216</enddate><creator>QING XUEMEI</creator><creator>SHAO YUANJING</creator><creator>YE LIDE</creator><creator>XU HAILUN</creator><scope>EVB</scope></search><sort><creationdate>20151216</creationdate><title>Method and device for improving energy efficiency of iron-making technology</title><author>QING XUEMEI ; SHAO YUANJING ; YE LIDE ; XU HAILUN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN105154604A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>CHEMISTRY</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>MANUFACTURE OF IRON OR STEEL</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><toplevel>online_resources</toplevel><creatorcontrib>QING XUEMEI</creatorcontrib><creatorcontrib>SHAO YUANJING</creatorcontrib><creatorcontrib>YE LIDE</creatorcontrib><creatorcontrib>XU HAILUN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>QING XUEMEI</au><au>SHAO YUANJING</au><au>YE LIDE</au><au>XU HAILUN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method and device for improving energy efficiency of iron-making technology</title><date>2015-12-16</date><risdate>2015</risdate><abstract>The invention relates to a method for improving energy efficiency of an iron-making technology. Liquid blast furnace slag is introduced into a waste heat recovery tank body, and at the same time, a solid coolant is added into the waste heat recovery tank body; the solid coolant comprises at least iron-containing solid particles; slag flows and coolant material flows converge, so that a hot solid mixture material flow is formed; during the falling process, the hot solid mixture material flow is impacted and broken; scattered hot solid mixtures exchange heat with upstream cooling gas; high-temperature gas after heat exchange is exhausted out of the waste heat recovery tank body for recovery; and low-temperature solid mixtures after heat exchange are discharged out of the waste heat recovery tank body, and then crushing and magnetic separating are carried out, so that iron-containing solid particles and glassy-state blast furnace slag is obtained. The invention further relates to a device which can implement the method. According to the simple method for processing blast furnace slag, heat of the blast furnace slag can be effectively recovered; the provided device is simple in structure, easy to maintain and small in occupied area; local materials can be used as the coolant and the cooling gas and the like; and the investment cost and the operation cost are extremely low.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | Method and device for improving energy efficiency of iron-making technology |
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