SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS
A small to mid-scale liquefied natural gas production system and method is provided. The disclosed liquefied natural gas production system employs a nitrogen- based refrigerant, at least one heat exchanger, three turbine/ expanders and two or more refrigerant compression stages. The expansion ratio...
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| creator | HOWARD, HENRY EDWARD |
| description | A small to mid-scale liquefied natural gas production system and method is provided. The disclosed liquefied natural gas production system employs a nitrogen- based refrigerant, at least one heat exchanger, three turbine/ expanders and two or more refrigerant compression stages. The expansion ratio of one turbine/ expander is appreciably lower than the expansion ratio of the other turbine/ expanders such that the temperature of the exhaust stream from the turbine/ expander with the lower expansion ratio is above the critical point temperature of the compressed natural gas containing feed stream but colder than -15° C.
L'invention concerne un système et un procédé de production de gaz naturel liquéfié de petite à mi-échelle. Le système de production de gaz naturel liquéfié décrit utilise un réfrigérant à base d'azote, au moins un échangeur de chaleur, trois turbines/détendeurs et au moins deux étages de compression de réfrigérant. Le rapport d'expansion d'une turbine/détendeur est sensiblement inférieur au rapport d'expansion des autres turbines/détendeurs de telle sorte que la température du flux d'échappement provenant de la turbine/détendeur avec le rapport d'expansion inférieur soit supérieure à la température de point critique du flux d'alimentation contenant du gaz naturel comprimé mais plus froide que -15° C. |
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L'invention concerne un système et un procédé de production de gaz naturel liquéfié de petite à mi-échelle. Le système de production de gaz naturel liquéfié décrit utilise un réfrigérant à base d'azote, au moins un échangeur de chaleur, trois turbines/détendeurs et au moins deux étages de compression de réfrigérant. Le rapport d'expansion d'une turbine/détendeur est sensiblement inférieur au rapport d'expansion des autres turbines/détendeurs de telle sorte que la température du flux d'échappement provenant de la turbine/détendeur avec le rapport d'expansion inférieur soit supérieure à la température de point critique du flux d'alimentation contenant du gaz naturel comprimé mais plus froide que -15° C.</description><language>eng ; fre</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>2023</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=20230420&DB=EPODOC&CC=CA&NR=3234465A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230420&DB=EPODOC&CC=CA&NR=3234465A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HOWARD, HENRY EDWARD</creatorcontrib><title>SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS</title><description>A small to mid-scale liquefied natural gas production system and method is provided. The disclosed liquefied natural gas production system employs a nitrogen- based refrigerant, at least one heat exchanger, three turbine/ expanders and two or more refrigerant compression stages. The expansion ratio of one turbine/ expander is appreciably lower than the expansion ratio of the other turbine/ expanders such that the temperature of the exhaust stream from the turbine/ expander with the lower expansion ratio is above the critical point temperature of the compressed natural gas containing feed stream but colder than -15° C.
L'invention concerne un système et un procédé de production de gaz naturel liquéfié de petite à mi-échelle. Le système de production de gaz naturel liquéfié décrit utilise un réfrigérant à base d'azote, au moins un échangeur de chaleur, trois turbines/détendeurs et au moins deux étages de compression de réfrigérant. Le rapport d'expansion d'une turbine/détendeur est sensiblement inférieur au rapport d'expansion des autres turbines/détendeurs de telle sorte que la température du flux d'échappement provenant de la turbine/détendeur avec le rapport d'expansion inférieur soit supérieure à la température de point critique du flux d'alimentation contenant du gaz naturel comprimé mais plus froide que -15° C.</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>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAKjgwOcfVVcPRzUfB1DfHwd1EI8VcICPJ3CXV2VfDxDAx1dfN0dVHwcwwJDXL0UXB3DOZhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfHOjsZGxiYmZqaOhsZEKAEAIAomLQ</recordid><startdate>20230420</startdate><enddate>20230420</enddate><creator>HOWARD, HENRY EDWARD</creator><scope>EVB</scope></search><sort><creationdate>20230420</creationdate><title>SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS</title><author>HOWARD, HENRY EDWARD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA3234465A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2023</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>HOWARD, HENRY EDWARD</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HOWARD, HENRY EDWARD</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS</title><date>2023-04-20</date><risdate>2023</risdate><abstract>A small to mid-scale liquefied natural gas production system and method is provided. The disclosed liquefied natural gas production system employs a nitrogen- based refrigerant, at least one heat exchanger, three turbine/ expanders and two or more refrigerant compression stages. The expansion ratio of one turbine/ expander is appreciably lower than the expansion ratio of the other turbine/ expanders such that the temperature of the exhaust stream from the turbine/ expander with the lower expansion ratio is above the critical point temperature of the compressed natural gas containing feed stream but colder than -15° C.
L'invention concerne un système et un procédé de production de gaz naturel liquéfié de petite à mi-échelle. Le système de production de gaz naturel liquéfié décrit utilise un réfrigérant à base d'azote, au moins un échangeur de chaleur, trois turbines/détendeurs et au moins deux étages de compression de réfrigérant. Le rapport d'expansion d'une turbine/détendeur est sensiblement inférieur au rapport d'expansion des autres turbines/détendeurs de telle sorte que la température du flux d'échappement provenant de la turbine/détendeur avec le rapport d'expansion inférieur soit supérieure à la température de point critique du flux d'alimentation contenant du gaz naturel comprimé mais plus froide que -15° C.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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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 | SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS |
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