NITROGEN LIQUEFIER RETROFIT FOR AN AIR SEPARATION PLANT
A method is disclosed for increasing liquid production involving retrofitting an existing air separation plant with a nitrogen liquefier. The nitrogen liquefier liquefies a nitrogen-rich vapor stream withdrawn from the higher pressure column to return a nitrogen-rich liquid stream to the higher pres...
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| creator | SKARE, TODD, ALAN PARSNICK, DAVID, ROSS |
| description | A method is disclosed for increasing liquid production involving retrofitting an existing air separation plant with a nitrogen liquefier. The nitrogen liquefier liquefies a nitrogen-rich vapor stream withdrawn from the higher pressure column to return a nitrogen-rich liquid stream to the higher pressure column. This increases liquid nitrogen reflux to the higher pressure column to in turn increase the production of liquid oxygen containing column bottoms of the higher pressure column and therefore, the production of oxygen-rich liquid in the lower pressure column. The increased production of the oxygen-rich liquid allows a liquid oxygen product to be taken at an increased rate or for the liquid oxygen product to be taken in the first instance, if the plant is not designed to produce such a product. Also liquid nitrogen and argon products can be produced at an increased rate as a result of the retrofit. |
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The nitrogen liquefier liquefies a nitrogen-rich vapor stream withdrawn from the higher pressure column to return a nitrogen-rich liquid stream to the higher pressure column. This increases liquid nitrogen reflux to the higher pressure column to in turn increase the production of liquid oxygen containing column bottoms of the higher pressure column and therefore, the production of oxygen-rich liquid in the lower pressure column. The increased production of the oxygen-rich liquid allows a liquid oxygen product to be taken at an increased rate or for the liquid oxygen product to be taken in the first instance, if the plant is not designed to produce such a product. 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Also liquid nitrogen and argon products can be produced at an increased rate as a result of the retrofit.</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>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD38wwJ8nd39VPw8QwMdXXzdA1SCHIFCrl5hii4-QcpOPopOHoGKQS7BjgGOYZ4-vspBPg4-oXwMLCmJeYUp_JCaW4GBTfXEGcP3dSC_PjU4oLE5NS81JJ41wAjYwNzC2NTRyNjIpQAAPrQJ-I</recordid><startdate>20110413</startdate><enddate>20110413</enddate><creator>SKARE, TODD, ALAN</creator><creator>PARSNICK, DAVID, ROSS</creator><scope>EVB</scope></search><sort><creationdate>20110413</creationdate><title>NITROGEN LIQUEFIER RETROFIT FOR AN AIR SEPARATION PLANT</title><author>SKARE, TODD, ALAN ; PARSNICK, DAVID, ROSS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2307835A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2011</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>SKARE, TODD, ALAN</creatorcontrib><creatorcontrib>PARSNICK, DAVID, ROSS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SKARE, TODD, ALAN</au><au>PARSNICK, DAVID, ROSS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>NITROGEN LIQUEFIER RETROFIT FOR AN AIR SEPARATION PLANT</title><date>2011-04-13</date><risdate>2011</risdate><abstract>A method is disclosed for increasing liquid production involving retrofitting an existing air separation plant with a nitrogen liquefier. The nitrogen liquefier liquefies a nitrogen-rich vapor stream withdrawn from the higher pressure column to return a nitrogen-rich liquid stream to the higher pressure column. This increases liquid nitrogen reflux to the higher pressure column to in turn increase the production of liquid oxygen containing column bottoms of the higher pressure column and therefore, the production of oxygen-rich liquid in the lower pressure column. The increased production of the oxygen-rich liquid allows a liquid oxygen product to be taken at an increased rate or for the liquid oxygen product to be taken in the first instance, if the plant is not designed to produce such a product. Also liquid nitrogen and argon products can be produced at an increased rate as a result of the retrofit.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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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 | NITROGEN LIQUEFIER RETROFIT FOR AN AIR SEPARATION PLANT |
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