METHOD FOR OPERATING VACUUM DEGASSING DEVICE
PURPOSE:To improve the quality of steel products by using a vacuum degassing device provided with an immersion pipe formed by coating the inside and outside of a cylindrical mandrel with a refractory and by sealing the outside of the immersion pipe with gaseous Ar during degassing so as to prevent n...
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| creator | OKAMOTO MASAHARU |
| description | PURPOSE:To improve the quality of steel products by using a vacuum degassing device provided with an immersion pipe formed by coating the inside and outside of a cylindrical mandrel with a refractory and by sealing the outside of the immersion pipe with gaseous Ar during degassing so as to prevent nitrogen from entering a molten steel. CONSTITUTION:This vacuum degassing device is provided with an immersion pipe 1 formed by coating the inside and outside of the cylindrical mandrel 4 with the refractory 5. A metallic cover 6 is placed around the pipe 1 and gaseous Ar is introduced into the space between the pipe 1 and the cover 6 from a gas introducing pipe 7 to seal the outside of the pipe 1 with the gaseous Ar during degassing. |
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CONSTITUTION:This vacuum degassing device is provided with an immersion pipe 1 formed by coating the inside and outside of the cylindrical mandrel 4 with the refractory 5. A metallic cover 6 is placed around the pipe 1 and gaseous Ar is introduced into the space between the pipe 1 and the cover 6 from a gas introducing pipe 7 to seal the outside of the pipe 1 with the gaseous Ar during degassing.</description><language>eng</language><subject>BLASTING ; CHEMISTRY ; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ; FURNACES ; HEATING ; KILNS ; LIGHTING ; MECHANICAL ENGINEERING ; METALLURGY ; METALLURGY OF IRON ; OVENS ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; RETORTS ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS ; WEAPONS</subject><creationdate>1986</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=19861226&DB=EPODOC&CC=JP&NR=S61295315A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19861226&DB=EPODOC&CC=JP&NR=S61295315A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OKAMOTO MASAHARU</creatorcontrib><title>METHOD FOR OPERATING VACUUM DEGASSING DEVICE</title><description>PURPOSE:To improve the quality of steel products by using a vacuum degassing device provided with an immersion pipe formed by coating the inside and outside of a cylindrical mandrel with a refractory and by sealing the outside of the immersion pipe with gaseous Ar during degassing so as to prevent nitrogen from entering a molten steel. CONSTITUTION:This vacuum degassing device is provided with an immersion pipe 1 formed by coating the inside and outside of the cylindrical mandrel 4 with the refractory 5. 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CONSTITUTION:This vacuum degassing device is provided with an immersion pipe 1 formed by coating the inside and outside of the cylindrical mandrel 4 with the refractory 5. A metallic cover 6 is placed around the pipe 1 and gaseous Ar is introduced into the space between the pipe 1 and the cover 6 from a gas introducing pipe 7 to seal the outside of the pipe 1 with the gaseous Ar during degassing.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JPS61295315A |
| source | esp@cenet |
| subjects | BLASTING CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS |
| title | METHOD FOR OPERATING VACUUM DEGASSING DEVICE |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-10T23%3A36%3A12IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=OKAMOTO%20MASAHARU&rft.date=1986-12-26&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPS61295315A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |