MANUFACTURE OF ULTRA-HIGH-PURITY NITROGEN GAS AND DEVICE THEREFOR
PROBLEM TO BE SOLVED: To provide a method for manufacturing ultra-high-purity nitrogen gas that can be effectively utilized with inexpensive facilities. SOLUTION: In a method for filing compressing feed air, cooling it to a low temperature, and then introducing it to a rectifying column 7, performin...
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creator | KIYAMA HIROMI KIKUCHI NOBUNAO MIYAMOTO ATSUSHI |
description | PROBLEM TO BE SOLVED: To provide a method for manufacturing ultra-high-purity nitrogen gas that can be effectively utilized with inexpensive facilities. SOLUTION: In a method for filing compressing feed air, cooling it to a low temperature, and then introducing it to a rectifying column 7, performing its subcooling liquefaction separation for manufacturing an ultra-high-purity nitrogen gas, and for filling one portion of the amount of cold required for the subcooling liquefaction separation is supplied from the outside of the subcooling liquefaction separation system with the cold energy of the high-purity liquid nitrogen, one portion of a reflux liquid (ultra-high-purity liquid nitrogen) being generated by a condenser 9 at the upper portion of the rectifying tower 7 and is stored at an ultra-high-purity liquid nitrogen tank 25, and then ultra- high-purity liquid nitrogen being stored in the ultra-high-purity liquid nitrogen tank 25 is vaporized on backup. |
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SOLUTION: In a method for filing compressing feed air, cooling it to a low temperature, and then introducing it to a rectifying column 7, performing its subcooling liquefaction separation for manufacturing an ultra-high-purity nitrogen gas, and for filling one portion of the amount of cold required for the subcooling liquefaction separation is supplied from the outside of the subcooling liquefaction separation system with the cold energy of the high-purity liquid nitrogen, one portion of a reflux liquid (ultra-high-purity liquid nitrogen) being generated by a condenser 9 at the upper portion of the rectifying tower 7 and is stored at an ultra-high-purity liquid nitrogen tank 25, and then ultra- high-purity liquid nitrogen being stored in the ultra-high-purity liquid nitrogen tank 25 is vaporized on backup.</description><edition>6</edition><language>eng</language><subject>BLASTING ; COMBINED HEATING AND REFRIGERATION SYSTEMS ; HEAT PUMP SYSTEMS ; HEATING ; LIGHTING ; LIQUEFACTION SOLIDIFICATION OF GASES ; LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS ; MANUFACTURE OR STORAGE OF ICE ; MECHANICAL ENGINEERING ; MIXTURES BY PRESSURE AND COLD TREATMENT ; REFRIGERATION OR COOLING ; WEAPONS</subject><creationdate>1999</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=19991126&DB=EPODOC&CC=JP&NR=H11325720A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19991126&DB=EPODOC&CC=JP&NR=H11325720A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIYAMA HIROMI</creatorcontrib><creatorcontrib>KIKUCHI NOBUNAO</creatorcontrib><creatorcontrib>MIYAMOTO ATSUSHI</creatorcontrib><title>MANUFACTURE OF ULTRA-HIGH-PURITY NITROGEN GAS AND DEVICE THEREFOR</title><description>PROBLEM TO BE SOLVED: To provide a method for manufacturing ultra-high-purity nitrogen gas that can be effectively utilized with inexpensive facilities. SOLUTION: In a method for filing compressing feed air, cooling it to a low temperature, and then introducing it to a rectifying column 7, performing its subcooling liquefaction separation for manufacturing an ultra-high-purity nitrogen gas, and for filling one portion of the amount of cold required for the subcooling liquefaction separation is supplied from the outside of the subcooling liquefaction separation system with the cold energy of the high-purity liquid nitrogen, one portion of a reflux liquid (ultra-high-purity liquid nitrogen) being generated by a condenser 9 at the upper portion of the rectifying tower 7 and is stored at an ultra-high-purity liquid nitrogen tank 25, and then ultra- high-purity liquid nitrogen being stored in the ultra-high-purity liquid nitrogen tank 25 is vaporized on backup.</description><subject>BLASTING</subject><subject>COMBINED HEATING AND REFRIGERATION SYSTEMS</subject><subject>HEAT PUMP SYSTEMS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>LIQUEFACTION SOLIDIFICATION OF GASES</subject><subject>LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS</subject><subject>MANUFACTURE OR STORAGE OF ICE</subject><subject>MECHANICAL ENGINEERING</subject><subject>MIXTURES BY PRESSURE AND COLD TREATMENT</subject><subject>REFRIGERATION OR COOLING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD0dfQLdXN0DgkNclXwd1MI9QkJctT18HT30A0IDfIMiVTw8wwJ8nd39VNwdwxWcPRzUXBxDfN0dlUI8XANcnXzD-JhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfFeAR6GhsZGpuZGBo7GxKgBAN9vKxY</recordid><startdate>19991126</startdate><enddate>19991126</enddate><creator>KIYAMA HIROMI</creator><creator>KIKUCHI NOBUNAO</creator><creator>MIYAMOTO ATSUSHI</creator><scope>EVB</scope></search><sort><creationdate>19991126</creationdate><title>MANUFACTURE OF ULTRA-HIGH-PURITY NITROGEN GAS AND DEVICE THEREFOR</title><author>KIYAMA HIROMI ; KIKUCHI NOBUNAO ; MIYAMOTO ATSUSHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH11325720A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>BLASTING</topic><topic>COMBINED HEATING AND REFRIGERATION SYSTEMS</topic><topic>HEAT PUMP SYSTEMS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>LIQUEFACTION SOLIDIFICATION OF GASES</topic><topic>LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS</topic><topic>MANUFACTURE OR STORAGE OF ICE</topic><topic>MECHANICAL ENGINEERING</topic><topic>MIXTURES BY PRESSURE AND COLD TREATMENT</topic><topic>REFRIGERATION OR COOLING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>KIYAMA HIROMI</creatorcontrib><creatorcontrib>KIKUCHI NOBUNAO</creatorcontrib><creatorcontrib>MIYAMOTO ATSUSHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KIYAMA HIROMI</au><au>KIKUCHI NOBUNAO</au><au>MIYAMOTO ATSUSHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MANUFACTURE OF ULTRA-HIGH-PURITY NITROGEN GAS AND DEVICE THEREFOR</title><date>1999-11-26</date><risdate>1999</risdate><abstract>PROBLEM TO BE SOLVED: To provide a method for manufacturing ultra-high-purity nitrogen gas that can be effectively utilized with inexpensive facilities. SOLUTION: In a method for filing compressing feed air, cooling it to a low temperature, and then introducing it to a rectifying column 7, performing its subcooling liquefaction separation for manufacturing an ultra-high-purity nitrogen gas, and for filling one portion of the amount of cold required for the subcooling liquefaction separation is supplied from the outside of the subcooling liquefaction separation system with the cold energy of the high-purity liquid nitrogen, one portion of a reflux liquid (ultra-high-purity liquid nitrogen) being generated by a condenser 9 at the upper portion of the rectifying tower 7 and is stored at an ultra-high-purity liquid nitrogen tank 25, and then ultra- high-purity liquid nitrogen being stored in the ultra-high-purity liquid nitrogen tank 25 is vaporized on backup.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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subjects | BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MIXTURES BY PRESSURE AND COLD TREATMENT REFRIGERATION OR COOLING WEAPONS |
title | MANUFACTURE OF ULTRA-HIGH-PURITY NITROGEN GAS AND DEVICE THEREFOR |
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