Apparatus for arc-melting cold iron source and method thereof
The present invention relates to an apparatus for arc-melting a cold iron source such as iron scrap and direct smelting reduction iron, etc. efficiently, and a melting method thereof. The present invention provides an arc-melting apparatus which attains extremely high efficiency by preheating scraps...
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| creator | Mizukami, Hideaki Yamaguchi, Ryuji Nakayama, Takashi Tatefuku, Teruo Ao, Norio Maki, Toshimichi Sato, Yasuhiro Kubo, Hirotsugu |
| description | The present invention relates to an apparatus for arc-melting a cold iron source such as iron scrap and direct smelting reduction iron, etc. efficiently, and a melting method thereof.
The present invention provides an arc-melting apparatus which attains extremely high efficiency by preheating scraps using exhaust gas from the melting chamber. The arc-melting apparatus needs for no device to carry and supply an iron source to a melting chamber, which makes it possible to preheat the next charge. The arc-melting apparatus has a melting furnace which melts scraps, a preheating shaft connected directly to an upper part of one side of the melting furnace, an arc electrode for melting scraps in the melting furnace, a bucket for supplying scraps to the preheat shaft so as to continuously maintain scraps in the melting furnace and in the preheating shaft, a tapping portion having a tapping hole, being projected outward from the melting furnace and a tilting device for tilting the melting furnace on a side of the tapping portion. The tapping portion is arranged at an orthogonal direction to the direction of the supplied cold iron source. The preheating shaft of the melting furnace and the tapping portion have a distance between the mutual part, so that scraps do not flow out on a the tapping hole side. |
| format | Patent |
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The present invention provides an arc-melting apparatus which attains extremely high efficiency by preheating scraps using exhaust gas from the melting chamber. The arc-melting apparatus needs for no device to carry and supply an iron source to a melting chamber, which makes it possible to preheat the next charge. The arc-melting apparatus has a melting furnace which melts scraps, a preheating shaft connected directly to an upper part of one side of the melting furnace, an arc electrode for melting scraps in the melting furnace, a bucket for supplying scraps to the preheat shaft so as to continuously maintain scraps in the melting furnace and in the preheating shaft, a tapping portion having a tapping hole, being projected outward from the melting furnace and a tilting device for tilting the melting furnace on a side of the tapping portion. The tapping portion is arranged at an orthogonal direction to the direction of the supplied cold iron source. The preheating shaft of the melting furnace and the tapping portion have a distance between the mutual part, so that scraps do not flow out on a the tapping hole side.</description><language>eng</language><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6693948$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,780,802,885,64039</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6693948$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Mizukami, Hideaki</creatorcontrib><creatorcontrib>Yamaguchi, Ryuji</creatorcontrib><creatorcontrib>Nakayama, Takashi</creatorcontrib><creatorcontrib>Tatefuku, Teruo</creatorcontrib><creatorcontrib>Ao, Norio</creatorcontrib><creatorcontrib>Maki, Toshimichi</creatorcontrib><creatorcontrib>Sato, Yasuhiro</creatorcontrib><creatorcontrib>Kubo, Hirotsugu</creatorcontrib><creatorcontrib>JP Steel Plantech Co</creatorcontrib><title>Apparatus for arc-melting cold iron source and method thereof</title><description>The present invention relates to an apparatus for arc-melting a cold iron source such as iron scrap and direct smelting reduction iron, etc. efficiently, and a melting method thereof.
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The present invention provides an arc-melting apparatus which attains extremely high efficiency by preheating scraps using exhaust gas from the melting chamber. The arc-melting apparatus needs for no device to carry and supply an iron source to a melting chamber, which makes it possible to preheat the next charge. The arc-melting apparatus has a melting furnace which melts scraps, a preheating shaft connected directly to an upper part of one side of the melting furnace, an arc electrode for melting scraps in the melting furnace, a bucket for supplying scraps to the preheat shaft so as to continuously maintain scraps in the melting furnace and in the preheating shaft, a tapping portion having a tapping hole, being projected outward from the melting furnace and a tilting device for tilting the melting furnace on a side of the tapping portion. The tapping portion is arranged at an orthogonal direction to the direction of the supplied cold iron source. The preheating shaft of the melting furnace and the tapping portion have a distance between the mutual part, so that scraps do not flow out on a the tapping hole side.</abstract><oa>free_for_read</oa></addata></record> |
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| title | Apparatus for arc-melting cold iron source and method thereof |
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