Method for removing antimony-lead-arsenic from antimony-containing crude tin alloy by vacuum distillation
The invention relates to a method for removing antimony-lead-arsenic from an antimony-contained crude tin alloy by vacuum distillation, and belongs to the technical field of nonferrous metal vacuum metallurgy. The method comprises the steps that the antimony-containing crude tin alloy after copper,...
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| creator | CHEN WEI FAN ZEFEI XIONG HENG PAN JIANREN XU BAOQIANG LUO ZIPING TANG WENTONG MA XIANGYA LI WENLIN YANG BIN SU BIN SU XINHAI DAI WEIPING SHAO DAN |
| description | The invention relates to a method for removing antimony-lead-arsenic from an antimony-contained crude tin alloy by vacuum distillation, and belongs to the technical field of nonferrous metal vacuum metallurgy. The method comprises the steps that the antimony-containing crude tin alloy after copper, iron and a part of arsenic removal is melted to form an antimony-containing crude tin alloy liquid; by adopting a constant flow feeding method, the obtained antimony-containing crude tin alloy liquid is continuously and uniformly fed in a continuous vacuum furnace to be subjected to the vacuum distillation; a residue, namely fine tin, and a distillate, namely a tin-lead-antimony alloy are obtained; the obtained tin-lead-antimony alloy is melted to form a tin-lead-antimony alloy liquid; by adopting the constant flow feeding method, the obtained tin-lead-antimony alloy liquid is continuously and uniformly fed in the continuous vacuum furnace to be subjected to the vacuum distillation; residual crude tin and tin-lead-antimony metallic vapor entering a condenser are obtained; and according to the concentration of tin vapor in the tin-lead-antimony metallic vapor, the tin-lead-antimony alloy and a lead-antimony alloy are obtained by controlling the temperature of the condenser and the number of condensation segments. The method is simple to operate, high in production efficiency and tin recovery rate, low in production cost, and environment-friendly. |
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The method comprises the steps that the antimony-containing crude tin alloy after copper, iron and a part of arsenic removal is melted to form an antimony-containing crude tin alloy liquid; by adopting a constant flow feeding method, the obtained antimony-containing crude tin alloy liquid is continuously and uniformly fed in a continuous vacuum furnace to be subjected to the vacuum distillation; a residue, namely fine tin, and a distillate, namely a tin-lead-antimony alloy are obtained; the obtained tin-lead-antimony alloy is melted to form a tin-lead-antimony alloy liquid; by adopting the constant flow feeding method, the obtained tin-lead-antimony alloy liquid is continuously and uniformly fed in the continuous vacuum furnace to be subjected to the vacuum distillation; residual crude tin and tin-lead-antimony metallic vapor entering a condenser are obtained; and according to the concentration of tin vapor in the tin-lead-antimony metallic vapor, the tin-lead-antimony alloy and a lead-antimony alloy are obtained by controlling the temperature of the condenser and the number of condensation segments. The method is simple to operate, high in production efficiency and tin recovery rate, low in production cost, and environment-friendly.</description><language>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>2015</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=20150527&DB=EPODOC&CC=CN&NR=104651625A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150527&DB=EPODOC&CC=CN&NR=104651625A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN WEI</creatorcontrib><creatorcontrib>FAN ZEFEI</creatorcontrib><creatorcontrib>XIONG HENG</creatorcontrib><creatorcontrib>PAN JIANREN</creatorcontrib><creatorcontrib>XU BAOQIANG</creatorcontrib><creatorcontrib>LUO ZIPING</creatorcontrib><creatorcontrib>TANG WENTONG</creatorcontrib><creatorcontrib>MA XIANGYA</creatorcontrib><creatorcontrib>LI WENLIN</creatorcontrib><creatorcontrib>YANG BIN</creatorcontrib><creatorcontrib>SU BIN</creatorcontrib><creatorcontrib>SU XINHAI</creatorcontrib><creatorcontrib>DAI WEIPING</creatorcontrib><creatorcontrib>SHAO DAN</creatorcontrib><title>Method for removing antimony-lead-arsenic from antimony-containing crude tin alloy by vacuum distillation</title><description>The invention relates to a method for removing antimony-lead-arsenic from an antimony-contained crude tin alloy by vacuum distillation, and belongs to the technical field of nonferrous metal vacuum metallurgy. The method comprises the steps that the antimony-containing crude tin alloy after copper, iron and a part of arsenic removal is melted to form an antimony-containing crude tin alloy liquid; by adopting a constant flow feeding method, the obtained antimony-containing crude tin alloy liquid is continuously and uniformly fed in a continuous vacuum furnace to be subjected to the vacuum distillation; a residue, namely fine tin, and a distillate, namely a tin-lead-antimony alloy are obtained; the obtained tin-lead-antimony alloy is melted to form a tin-lead-antimony alloy liquid; by adopting the constant flow feeding method, the obtained tin-lead-antimony alloy liquid is continuously and uniformly fed in the continuous vacuum furnace to be subjected to the vacuum distillation; residual crude tin and tin-lead-antimony metallic vapor entering a condenser are obtained; and according to the concentration of tin vapor in the tin-lead-antimony metallic vapor, the tin-lead-antimony alloy and a lead-antimony alloy are obtained by controlling the temperature of the condenser and the number of condensation segments. The method is simple to operate, high in production efficiency and tin recovery rate, low in production cost, and environment-friendly.</description><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyj0KwkAQQOE0FqLeYTxAwPiTXoJio5V9GHcnOrA7E3YngdxeBMHW6hXvmxd8JXuph04TJIo6sjwBxTiqTGUg9CWmTMIOuqTxt5yKIcuHuzR4AmMBDEEneEwwohuGCJ6zcQhorLIsZh2GTKtvF8X6fLo3l5J6bSn36EjI2uZWbfb1oaq3h-PuH_MGrCZBdA</recordid><startdate>20150527</startdate><enddate>20150527</enddate><creator>CHEN WEI</creator><creator>FAN ZEFEI</creator><creator>XIONG HENG</creator><creator>PAN JIANREN</creator><creator>XU BAOQIANG</creator><creator>LUO ZIPING</creator><creator>TANG WENTONG</creator><creator>MA XIANGYA</creator><creator>LI WENLIN</creator><creator>YANG BIN</creator><creator>SU BIN</creator><creator>SU XINHAI</creator><creator>DAI WEIPING</creator><creator>SHAO DAN</creator><scope>EVB</scope></search><sort><creationdate>20150527</creationdate><title>Method for removing antimony-lead-arsenic from antimony-containing crude tin alloy by vacuum distillation</title><author>CHEN WEI ; FAN ZEFEI ; XIONG HENG ; PAN JIANREN ; XU BAOQIANG ; LUO ZIPING ; TANG WENTONG ; MA XIANGYA ; LI WENLIN ; YANG BIN ; SU BIN ; SU XINHAI ; DAI WEIPING ; SHAO DAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104651625A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>CHEN WEI</creatorcontrib><creatorcontrib>FAN ZEFEI</creatorcontrib><creatorcontrib>XIONG HENG</creatorcontrib><creatorcontrib>PAN JIANREN</creatorcontrib><creatorcontrib>XU BAOQIANG</creatorcontrib><creatorcontrib>LUO ZIPING</creatorcontrib><creatorcontrib>TANG WENTONG</creatorcontrib><creatorcontrib>MA XIANGYA</creatorcontrib><creatorcontrib>LI WENLIN</creatorcontrib><creatorcontrib>YANG BIN</creatorcontrib><creatorcontrib>SU BIN</creatorcontrib><creatorcontrib>SU XINHAI</creatorcontrib><creatorcontrib>DAI WEIPING</creatorcontrib><creatorcontrib>SHAO DAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHEN WEI</au><au>FAN ZEFEI</au><au>XIONG HENG</au><au>PAN JIANREN</au><au>XU BAOQIANG</au><au>LUO ZIPING</au><au>TANG WENTONG</au><au>MA XIANGYA</au><au>LI WENLIN</au><au>YANG BIN</au><au>SU BIN</au><au>SU XINHAI</au><au>DAI WEIPING</au><au>SHAO DAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for removing antimony-lead-arsenic from antimony-containing crude tin alloy by vacuum distillation</title><date>2015-05-27</date><risdate>2015</risdate><abstract>The invention relates to a method for removing antimony-lead-arsenic from an antimony-contained crude tin alloy by vacuum distillation, and belongs to the technical field of nonferrous metal vacuum metallurgy. The method comprises the steps that the antimony-containing crude tin alloy after copper, iron and a part of arsenic removal is melted to form an antimony-containing crude tin alloy liquid; by adopting a constant flow feeding method, the obtained antimony-containing crude tin alloy liquid is continuously and uniformly fed in a continuous vacuum furnace to be subjected to the vacuum distillation; a residue, namely fine tin, and a distillate, namely a tin-lead-antimony alloy are obtained; the obtained tin-lead-antimony alloy is melted to form a tin-lead-antimony alloy liquid; by adopting the constant flow feeding method, the obtained tin-lead-antimony alloy liquid is continuously and uniformly fed in the continuous vacuum furnace to be subjected to the vacuum distillation; residual crude tin and tin-lead-antimony metallic vapor entering a condenser are obtained; and according to the concentration of tin vapor in the tin-lead-antimony metallic vapor, the tin-lead-antimony alloy and a lead-antimony alloy are obtained by controlling the temperature of the condenser and the number of condensation segments. The method is simple to operate, high in production efficiency and tin recovery rate, low in production cost, and environment-friendly.</abstract><oa>free_for_read</oa></addata></record> |
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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 | Method for removing antimony-lead-arsenic from antimony-containing crude tin alloy by vacuum distillation |
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