METAL MELT PRODUCTION APPARATUS AND METHOD (VERSIONS)
FIELD: metallurgy. SUBSTANCE: apparatus has vessel-well of electric arc furnace with charging opening for metal melt and/or scrap, and/or direct-process metal (for example, iron), at least one electrode, slag discharge device, converter oxygen vessel with melt discharge device. Converter oxygen vess...
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| creator | FRITTS EHRNST MJULLER IOGANNES STEJNS IOGANNES DIMITROV STEFAN ZHAJ JOJOU RAMASEDER NORBERT PIRKL'BAUEHR VILFRID |
| description | FIELD: metallurgy. SUBSTANCE: apparatus has vessel-well of electric arc furnace with charging opening for metal melt and/or scrap, and/or direct-process metal (for example, iron), at least one electrode, slag discharge device, converter oxygen vessel with melt discharge device. Converter oxygen vessel is connected to vessel-well of electric arc furnace through discharge device to form single unit fixedly mounted on foundation. Bath specific surface in converter vessel is smaller than that in well. Converter oxygen vessel and well of electric arc furnace have common reaction zone positioned above bath surfaces thereof. Method involves producing in said well preliminary melt of predetermined temperature and chemical composition; directing melt into converter vessel; providing continuous refining, preferably before obtaining crude steel; directing slag produced in converter vessel countercurrent with metal flow into vessel-well, with following discharge therefrom. EFFECT: reduced power consumption, increased decarbonization efficiency, reduced consumption of reducer and slag forming admixtures. 42 cl, 10 dwg, 13 tbl |
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SUBSTANCE: apparatus has vessel-well of electric arc furnace with charging opening for metal melt and/or scrap, and/or direct-process metal (for example, iron), at least one electrode, slag discharge device, converter oxygen vessel with melt discharge device. Converter oxygen vessel is connected to vessel-well of electric arc furnace through discharge device to form single unit fixedly mounted on foundation. Bath specific surface in converter vessel is smaller than that in well. Converter oxygen vessel and well of electric arc furnace have common reaction zone positioned above bath surfaces thereof. Method involves producing in said well preliminary melt of predetermined temperature and chemical composition; directing melt into converter vessel; providing continuous refining, preferably before obtaining crude steel; directing slag produced in converter vessel countercurrent with metal flow into vessel-well, with following discharge therefrom. EFFECT: reduced power consumption, increased decarbonization efficiency, reduced consumption of reducer and slag forming admixtures. 42 cl, 10 dwg, 13 tbl</description><edition>7</edition><language>eng</language><subject>BLASTING ; CHEMISTRY ; FURNACES ; FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL ; HEATING ; KILNS ; LIGHTING ; MECHANICAL ENGINEERING ; METALLURGY ; METALLURGY OF IRON ; OPEN SINTERING OR LIKE APPARATUS ; OVENS ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; RETORTS ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS ; WEAPONS</subject><creationdate>2003</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=20030610&DB=EPODOC&CC=RU&NR=2205878C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20030610&DB=EPODOC&CC=RU&NR=2205878C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FRITTS EHRNST</creatorcontrib><creatorcontrib>MJULLER IOGANNES</creatorcontrib><creatorcontrib>STEJNS IOGANNES</creatorcontrib><creatorcontrib>DIMITROV STEFAN</creatorcontrib><creatorcontrib>ZHAJ JOJOU</creatorcontrib><creatorcontrib>RAMASEDER NORBERT</creatorcontrib><creatorcontrib>PIRKL'BAUEHR VILFRID</creatorcontrib><title>METAL MELT PRODUCTION APPARATUS AND METHOD (VERSIONS)</title><description>FIELD: metallurgy. SUBSTANCE: apparatus has vessel-well of electric arc furnace with charging opening for metal melt and/or scrap, and/or direct-process metal (for example, iron), at least one electrode, slag discharge device, converter oxygen vessel with melt discharge device. Converter oxygen vessel is connected to vessel-well of electric arc furnace through discharge device to form single unit fixedly mounted on foundation. Bath specific surface in converter vessel is smaller than that in well. Converter oxygen vessel and well of electric arc furnace have common reaction zone positioned above bath surfaces thereof. Method involves producing in said well preliminary melt of predetermined temperature and chemical composition; directing melt into converter vessel; providing continuous refining, preferably before obtaining crude steel; directing slag produced in converter vessel countercurrent with metal flow into vessel-well, with following discharge therefrom. EFFECT: reduced power consumption, increased decarbonization efficiency, reduced consumption of reducer and slag forming admixtures. 42 cl, 10 dwg, 13 tbl</description><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>FURNACES</subject><subject>FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL</subject><subject>HEATING</subject><subject>KILNS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>OPEN SINTERING OR LIKE APPARATUS</subject><subject>OVENS</subject><subject>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</subject><subject>RETORTS</subject><subject>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2003</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD1dQ1x9FHwdfUJUQgI8ncJdQ7x9PdTcAwIcAxyDAkNVnD0cwHKhnj4uyhohLkGBQNlgzV5GFjTEnOKU3mhNDeDgptriLOHbmpBfnxqcUFicmpeakl8UKiRkYGphbmFs5ExEUoApB4naQ</recordid><startdate>20030610</startdate><enddate>20030610</enddate><creator>FRITTS EHRNST</creator><creator>MJULLER IOGANNES</creator><creator>STEJNS IOGANNES</creator><creator>DIMITROV STEFAN</creator><creator>ZHAJ JOJOU</creator><creator>RAMASEDER NORBERT</creator><creator>PIRKL'BAUEHR VILFRID</creator><scope>EVB</scope></search><sort><creationdate>20030610</creationdate><title>METAL MELT PRODUCTION APPARATUS AND METHOD (VERSIONS)</title><author>FRITTS EHRNST ; MJULLER IOGANNES ; STEJNS IOGANNES ; DIMITROV STEFAN ; ZHAJ JOJOU ; RAMASEDER NORBERT ; PIRKL'BAUEHR VILFRID</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2205878C23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2003</creationdate><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>FURNACES</topic><topic>FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL</topic><topic>HEATING</topic><topic>KILNS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>OPEN SINTERING OR LIKE APPARATUS</topic><topic>OVENS</topic><topic>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</topic><topic>RETORTS</topic><topic>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>FRITTS EHRNST</creatorcontrib><creatorcontrib>MJULLER IOGANNES</creatorcontrib><creatorcontrib>STEJNS IOGANNES</creatorcontrib><creatorcontrib>DIMITROV STEFAN</creatorcontrib><creatorcontrib>ZHAJ JOJOU</creatorcontrib><creatorcontrib>RAMASEDER NORBERT</creatorcontrib><creatorcontrib>PIRKL'BAUEHR VILFRID</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FRITTS EHRNST</au><au>MJULLER IOGANNES</au><au>STEJNS IOGANNES</au><au>DIMITROV STEFAN</au><au>ZHAJ JOJOU</au><au>RAMASEDER NORBERT</au><au>PIRKL'BAUEHR VILFRID</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METAL MELT PRODUCTION APPARATUS AND METHOD (VERSIONS)</title><date>2003-06-10</date><risdate>2003</risdate><abstract>FIELD: metallurgy. SUBSTANCE: apparatus has vessel-well of electric arc furnace with charging opening for metal melt and/or scrap, and/or direct-process metal (for example, iron), at least one electrode, slag discharge device, converter oxygen vessel with melt discharge device. Converter oxygen vessel is connected to vessel-well of electric arc furnace through discharge device to form single unit fixedly mounted on foundation. Bath specific surface in converter vessel is smaller than that in well. Converter oxygen vessel and well of electric arc furnace have common reaction zone positioned above bath surfaces thereof. Method involves producing in said well preliminary melt of predetermined temperature and chemical composition; directing melt into converter vessel; providing continuous refining, preferably before obtaining crude steel; directing slag produced in converter vessel countercurrent with metal flow into vessel-well, with following discharge therefrom. EFFECT: reduced power consumption, increased decarbonization efficiency, reduced consumption of reducer and slag forming admixtures. 42 cl, 10 dwg, 13 tbl</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CHEMISTRY FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS |
| title | METAL MELT PRODUCTION APPARATUS AND METHOD (VERSIONS) |
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