METHOD FOR BLOWING POWDER TO MOLTEN METAL
PURPOSE:To perform simultaneously blowing of powder during degassing treatment by installing a valve to the blow port in the bottom of a vessel, heating electrically the valve to melt the solidified metal near the valve then blowing the powder together with gas into the molten metal. CONSTITUTION:Po...
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| creator | NODA IKUO KOBAYASHI ISAO TAKEMURA YOUZOU |
| description | PURPOSE:To perform simultaneously blowing of powder during degassing treatment by installing a valve to the blow port in the bottom of a vessel, heating electrically the valve to melt the solidified metal near the valve then blowing the powder together with gas into the molten metal. CONSTITUTION:Powder is blown together with gas into a molten steel 1 while the molten steel is subjected to a vacuum degassing treatment in the upper part in a vessel 2 such as a ladle or the like. A gate 10 in the bottom is closed and electricity is conducted from upper and lower electrodes 11, 12 to heat and melt the solidified steel in a blow port (nozzle) 4 in the stage of starting such powder blowing. On the other hand, the pressure of a carrier gas for powder blowing is maintained under the head (static pressure) of the molten steel or above and the gate 10 is opened to blow the powder 5 through a piping 8. There are practically no obstructing materials on the surface of the molten steel according to such method and therefore the degassing treatment of the steel 1 is simultaneously accomplished without interference even during the blowing operation. |
| format | Patent |
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CONSTITUTION:Powder is blown together with gas into a molten steel 1 while the molten steel is subjected to a vacuum degassing treatment in the upper part in a vessel 2 such as a ladle or the like. A gate 10 in the bottom is closed and electricity is conducted from upper and lower electrodes 11, 12 to heat and melt the solidified steel in a blow port (nozzle) 4 in the stage of starting such powder blowing. On the other hand, the pressure of a carrier gas for powder blowing is maintained under the head (static pressure) of the molten steel or above and the gate 10 is opened to blow the powder 5 through a piping 8. There are practically no obstructing materials on the surface of the molten steel according to such method and therefore the degassing treatment of the steel 1 is simultaneously accomplished without interference even during the blowing operation.</description><language>eng</language><subject>CHEMISTRY ; METALLURGY ; METALLURGY OF IRON ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</subject><creationdate>1985</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=19850308&DB=EPODOC&CC=JP&NR=S6043419A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25553,76306</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850308&DB=EPODOC&CC=JP&NR=S6043419A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NODA IKUO</creatorcontrib><creatorcontrib>KOBAYASHI ISAO</creatorcontrib><creatorcontrib>TAKEMURA YOUZOU</creatorcontrib><title>METHOD FOR BLOWING POWDER TO MOLTEN METAL</title><description>PURPOSE:To perform simultaneously blowing of powder during degassing treatment by installing a valve to the blow port in the bottom of a vessel, heating electrically the valve to melt the solidified metal near the valve then blowing the powder together with gas into the molten metal. CONSTITUTION:Powder is blown together with gas into a molten steel 1 while the molten steel is subjected to a vacuum degassing treatment in the upper part in a vessel 2 such as a ladle or the like. A gate 10 in the bottom is closed and electricity is conducted from upper and lower electrodes 11, 12 to heat and melt the solidified steel in a blow port (nozzle) 4 in the stage of starting such powder blowing. On the other hand, the pressure of a carrier gas for powder blowing is maintained under the head (static pressure) of the molten steel or above and the gate 10 is opened to blow the powder 5 through a piping 8. There are practically no obstructing materials on the surface of the molten steel according to such method and therefore the degassing treatment of the steel 1 is simultaneously accomplished without interference even during the blowing operation.</description><subject>CHEMISTRY</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</subject><subject>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1985</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND0dQ3x8HdRcPMPUnDy8Q_39HNXCPAPd3ENUgjxV_D19wlx9VMAqnH04WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8V4BwWYGJsYmhpaOxkQoAQDkeyQs</recordid><startdate>19850308</startdate><enddate>19850308</enddate><creator>NODA IKUO</creator><creator>KOBAYASHI ISAO</creator><creator>TAKEMURA YOUZOU</creator><scope>EVB</scope></search><sort><creationdate>19850308</creationdate><title>METHOD FOR BLOWING POWDER TO MOLTEN METAL</title><author>NODA IKUO ; KOBAYASHI ISAO ; TAKEMURA YOUZOU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS6043419A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1985</creationdate><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</topic><topic>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</topic><toplevel>online_resources</toplevel><creatorcontrib>NODA IKUO</creatorcontrib><creatorcontrib>KOBAYASHI ISAO</creatorcontrib><creatorcontrib>TAKEMURA YOUZOU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NODA IKUO</au><au>KOBAYASHI ISAO</au><au>TAKEMURA YOUZOU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR BLOWING POWDER TO MOLTEN METAL</title><date>1985-03-08</date><risdate>1985</risdate><abstract>PURPOSE:To perform simultaneously blowing of powder during degassing treatment by installing a valve to the blow port in the bottom of a vessel, heating electrically the valve to melt the solidified metal near the valve then blowing the powder together with gas into the molten metal. CONSTITUTION:Powder is blown together with gas into a molten steel 1 while the molten steel is subjected to a vacuum degassing treatment in the upper part in a vessel 2 such as a ladle or the like. A gate 10 in the bottom is closed and electricity is conducted from upper and lower electrodes 11, 12 to heat and melt the solidified steel in a blow port (nozzle) 4 in the stage of starting such powder blowing. On the other hand, the pressure of a carrier gas for powder blowing is maintained under the head (static pressure) of the molten steel or above and the gate 10 is opened to blow the powder 5 through a piping 8. There are practically no obstructing materials on the surface of the molten steel according to such method and therefore the degassing treatment of the steel 1 is simultaneously accomplished without interference even during the blowing operation.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CHEMISTRY METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS |
| title | METHOD FOR BLOWING POWDER TO MOLTEN METAL |
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