Comprehensive utilization and treatment method of Kaldo slag
The invention relates to a comprehensive utilization and treatment method of Kaldo slag. The method comprises the following five steps: (1) pretreatment of Kaldo slag; (2) burdening: adding a reducing agent and limestone according to a certain proportion, and mixing uniformly, wherein the better is;...
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| creator | DONG ZHENGWU MA YUTIAN MA XIAODONG LYU QINGHUA ASHIKOSHI, TSUYOSHI JIANG HAIYAN CHI GANG LU SUJUN ZHENG JIANGHUA ZHANG PENG CHEN DALIN ZONG HONGXING JIA JINGZHEN DENG MINHUI |
| description | The invention relates to a comprehensive utilization and treatment method of Kaldo slag. The method comprises the following five steps: (1) pretreatment of Kaldo slag; (2) burdening: adding a reducing agent and limestone according to a certain proportion, and mixing uniformly, wherein the better is; (3) smelting in a three-phase controllable polarity direct-current electric arc furnace; (4) carrying out secondary material pretreatment; (5) secondary three-phase controllable polarity direct-current electric arc furnace smelting; and (6) product preparation, specifically, the copper-nickel alloy semi-finished product is subjected to fire refining and impurity removal. According to the method, raw material pretreatment is adopted, a two-step method three-phase controllable polarity direct-current electric arc furnace is adopted for smelting, a crude copper product and a copper-nickel alloy product are produced, comprehensive utilization of Kaldo slag and multipurpose recovery of valuable metal are achieved, and |
| format | Patent |
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The method comprises the following five steps: (1) pretreatment of Kaldo slag; (2) burdening: adding a reducing agent and limestone according to a certain proportion, and mixing uniformly, wherein the better is; (3) smelting in a three-phase controllable polarity direct-current electric arc furnace; (4) carrying out secondary material pretreatment; (5) secondary three-phase controllable polarity direct-current electric arc furnace smelting; and (6) product preparation, specifically, the copper-nickel alloy semi-finished product is subjected to fire refining and impurity removal. According to the method, raw material pretreatment is adopted, a two-step method three-phase controllable polarity direct-current electric arc furnace is adopted for smelting, a crude copper product and a copper-nickel alloy product are produced, comprehensive utilization of Kaldo slag and multipurpose recovery of valuable metal are achieved, and</description><language>chi ; eng</language><subject>CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2022</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=20220422&DB=EPODOC&CC=CN&NR=114381607A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220422&DB=EPODOC&CC=CN&NR=114381607A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DONG ZHENGWU</creatorcontrib><creatorcontrib>MA YUTIAN</creatorcontrib><creatorcontrib>MA XIAODONG</creatorcontrib><creatorcontrib>LYU QINGHUA</creatorcontrib><creatorcontrib>ASHIKOSHI, TSUYOSHI</creatorcontrib><creatorcontrib>JIANG HAIYAN</creatorcontrib><creatorcontrib>CHI GANG</creatorcontrib><creatorcontrib>LU SUJUN</creatorcontrib><creatorcontrib>ZHENG JIANGHUA</creatorcontrib><creatorcontrib>ZHANG PENG</creatorcontrib><creatorcontrib>CHEN DALIN</creatorcontrib><creatorcontrib>ZONG HONGXING</creatorcontrib><creatorcontrib>JIA JINGZHEN</creatorcontrib><creatorcontrib>DENG MINHUI</creatorcontrib><title>Comprehensive utilization and treatment method of Kaldo slag</title><description>The invention relates to a comprehensive utilization and treatment method of Kaldo slag. 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| language | chi ; eng |
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| subjects | CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Comprehensive utilization and treatment method of Kaldo slag |
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