System suitable for preparing carbon dioxide from decarbonized LNG (Liquefied Natural Gas)
The invention discloses a system suitable for preparing carbon dioxide from decarburized LNG (Liquefied Natural Gas). According to the system, a two-tower variable-pressure variable-temperature adsorption molecular sieve is adopted for dehydration, and low-pressure regenerated gas energy and regener...
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| creator | DING WEIGUO LYU YANLONG ZENG GUOCAI |
| description | The invention discloses a system suitable for preparing carbon dioxide from decarburized LNG (Liquefied Natural Gas). According to the system, a two-tower variable-pressure variable-temperature adsorption molecular sieve is adopted for dehydration, and low-pressure regenerated gas energy and regenerated gas utilization are realized; in the aspect of desulfurization, the consumption of circulating water is reduced by compression heat of two-stage compression of a compressor, and H2S and COS are removed at the same time; according to the invention, only one subcooler and one rectifying tower are adopted to directly rectify to prepare LCO2, the dealkylation device is arranged behind the desulfurization process, a desulfurization heat source is utilized, and a preheater in front of the dealkylation tower and an air cooler behind the tower are arranged to fully utilize the desulfurization heat source, so that the heat source and the cold energy consumption of circulating water are reduced; according to the inventi |
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According to the system, a two-tower variable-pressure variable-temperature adsorption molecular sieve is adopted for dehydration, and low-pressure regenerated gas energy and regenerated gas utilization are realized; in the aspect of desulfurization, the consumption of circulating water is reduced by compression heat of two-stage compression of a compressor, and H2S and COS are removed at the same time; according to the invention, only one subcooler and one rectifying tower are adopted to directly rectify to prepare LCO2, the dealkylation device is arranged behind the desulfurization process, a desulfurization heat source is utilized, and a preheater in front of the dealkylation tower and an air cooler behind the tower are arranged to fully utilize the desulfurization heat source, so that the heat source and the cold energy consumption of circulating water are reduced; according to the inventi</description><language>chi ; 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>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=20231010&DB=EPODOC&CC=CN&NR=116857899A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231010&DB=EPODOC&CC=CN&NR=116857899A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DING WEIGUO</creatorcontrib><creatorcontrib>LYU YANLONG</creatorcontrib><creatorcontrib>ZENG GUOCAI</creatorcontrib><title>System suitable for preparing carbon dioxide from decarbonized LNG (Liquefied Natural Gas)</title><description>The invention discloses a system suitable for preparing carbon dioxide from decarburized LNG (Liquefied Natural Gas). According to the system, a two-tower variable-pressure variable-temperature adsorption molecular sieve is adopted for dehydration, and low-pressure regenerated gas energy and regenerated gas utilization are realized; in the aspect of desulfurization, the consumption of circulating water is reduced by compression heat of two-stage compression of a compressor, and H2S and COS are removed at the same time; according to the invention, only one subcooler and one rectifying tower are adopted to directly rectify to prepare LCO2, the dealkylation device is arranged behind the desulfurization process, a desulfurization heat source is utilized, and a preheater in front of the dealkylation tower and an air cooler behind the tower are arranged to fully utilize the desulfurization heat source, so that the heat source and the cold energy consumption of circulating water are reduced; according to the inventi</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>eNrjZIgKriwuSc1VKC7NLElMyklVSMsvUigoSi1ILMrMS1dITixKys9TSMnMr8hMAUoW5ecqpKRCRDOrUlMUfPzcFTR8MgtLU9MygVy_xJLSosQcBffEYk0eBta0xJziVF4ozc2g6OYa4uyhm1qQH59aXJCYnJqXWhLv7GdoaGZham5haeloTIwaAOvxOm8</recordid><startdate>20231010</startdate><enddate>20231010</enddate><creator>DING WEIGUO</creator><creator>LYU YANLONG</creator><creator>ZENG GUOCAI</creator><scope>EVB</scope></search><sort><creationdate>20231010</creationdate><title>System suitable for preparing carbon dioxide from decarbonized LNG (Liquefied Natural Gas)</title><author>DING WEIGUO ; LYU YANLONG ; ZENG GUOCAI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN116857899A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</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>DING WEIGUO</creatorcontrib><creatorcontrib>LYU YANLONG</creatorcontrib><creatorcontrib>ZENG GUOCAI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DING WEIGUO</au><au>LYU YANLONG</au><au>ZENG GUOCAI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>System suitable for preparing carbon dioxide from decarbonized LNG (Liquefied Natural Gas)</title><date>2023-10-10</date><risdate>2023</risdate><abstract>The invention discloses a system suitable for preparing carbon dioxide from decarburized LNG (Liquefied Natural Gas). According to the system, a two-tower variable-pressure variable-temperature adsorption molecular sieve is adopted for dehydration, and low-pressure regenerated gas energy and regenerated gas utilization are realized; in the aspect of desulfurization, the consumption of circulating water is reduced by compression heat of two-stage compression of a compressor, and H2S and COS are removed at the same time; according to the invention, only one subcooler and one rectifying tower are adopted to directly rectify to prepare LCO2, the dealkylation device is arranged behind the desulfurization process, a desulfurization heat source is utilized, and a preheater in front of the dealkylation tower and an air cooler behind the tower are arranged to fully utilize the desulfurization heat source, so that the heat source and the cold energy consumption of circulating water are reduced; according to the inventi</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 suitable for preparing carbon dioxide from decarbonized LNG (Liquefied Natural Gas) |
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