Cryogenic separation system of using coke-oven gas to produce liquefied natural gas
The utility model discloses a cryogenic separation system of using coke-oven gas to produce liquefied natural gas, which comprises a methane-hydrogen rectifying column, a methane-nitrogen rectifying column, a feed gas cooler, a nitrogen subcooler, a first overhead condenser for the methane-hydrogen...
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| creator | LIAO JIANGFEN |
| description | The utility model discloses a cryogenic separation system of using coke-oven gas to produce liquefied natural gas, which comprises a methane-hydrogen rectifying column, a methane-nitrogen rectifying column, a feed gas cooler, a nitrogen subcooler, a first overhead condenser for the methane-hydrogen rectifying column, a second overhead condenser for the methane-nitrogen rectifying column and a bottom reboiler for the methane-nitrogen rectifying column, so that a natural gas cryogenic separation pipeline system, a hydrogen-rich recovery pipeline system and a nitrogen-rich pipeline system are formed. The cryogenic separation system further comprises a twin-stage nitrogen expansion refrigerating circulation loop for providing refrigerating capacity for the feed gas cooler and the nitrogen subcooler. The cryogenic separation system of using coke-oven gas to produce liquefied natural gas is low in cost, small in investment, stable in system, simple in operation and high in recovery rate of natural gas. |
| format | Patent |
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The cryogenic separation system further comprises a twin-stage nitrogen expansion refrigerating circulation loop for providing refrigerating capacity for the feed gas cooler and the nitrogen subcooler. The cryogenic separation system of using coke-oven gas to produce liquefied natural gas is low in cost, small in investment, stable in system, simple in operation and high in recovery rate of natural gas.</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>2012</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=20120815&DB=EPODOC&CC=CN&NR=202382517U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120815&DB=EPODOC&CC=CN&NR=202382517U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIAO JIANGFEN</creatorcontrib><title>Cryogenic separation system of using coke-oven gas to produce liquefied natural gas</title><description>The utility model discloses a cryogenic separation system of using coke-oven gas to produce liquefied natural gas, which comprises a methane-hydrogen rectifying column, a methane-nitrogen rectifying column, a feed gas cooler, a nitrogen subcooler, a first overhead condenser for the methane-hydrogen rectifying column, a second overhead condenser for the methane-nitrogen rectifying column and a bottom reboiler for the methane-nitrogen rectifying column, so that a natural gas cryogenic separation pipeline system, a hydrogen-rich recovery pipeline system and a nitrogen-rich pipeline system are formed. The cryogenic separation system further comprises a twin-stage nitrogen expansion refrigerating circulation loop for providing refrigerating capacity for the feed gas cooler and the nitrogen subcooler. The cryogenic separation system of using coke-oven gas to produce liquefied natural gas is low in cost, small in investment, stable in system, simple in operation and high in recovery rate of natural gas.</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>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyrEKwjAQBuAuDqK-w-Fe0BbRPShOLtq5HOnfElpzMZcIfXsRfACnb_mWxd3EWQZ4Z0kROHJy4klnTXiS9JTV-YGsjCjlDU8DKyWhEKXLFjS5V0bv0JHnlCNP37AuFj1Pis3PVbG9nB_mWiJICw1s4ZFac6t2VX2qDvtj09R_pQ_t-Dlk</recordid><startdate>20120815</startdate><enddate>20120815</enddate><creator>LIAO JIANGFEN</creator><scope>EVB</scope></search><sort><creationdate>20120815</creationdate><title>Cryogenic separation system of using coke-oven gas to produce liquefied natural gas</title><author>LIAO JIANGFEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN202382517UU3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2012</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>LIAO JIANGFEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIAO JIANGFEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Cryogenic separation system of using coke-oven gas to produce liquefied natural gas</title><date>2012-08-15</date><risdate>2012</risdate><abstract>The utility model discloses a cryogenic separation system of using coke-oven gas to produce liquefied natural gas, which comprises a methane-hydrogen rectifying column, a methane-nitrogen rectifying column, a feed gas cooler, a nitrogen subcooler, a first overhead condenser for the methane-hydrogen rectifying column, a second overhead condenser for the methane-nitrogen rectifying column and a bottom reboiler for the methane-nitrogen rectifying column, so that a natural gas cryogenic separation pipeline system, a hydrogen-rich recovery pipeline system and a nitrogen-rich pipeline system are formed. The cryogenic separation system further comprises a twin-stage nitrogen expansion refrigerating circulation loop for providing refrigerating capacity for the feed gas cooler and the nitrogen subcooler. The cryogenic separation system of using coke-oven gas to produce liquefied natural gas is low in cost, small in investment, stable in system, simple in operation and high in recovery rate of natural gas.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN202382517UU |
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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 | Cryogenic separation system of using coke-oven gas to produce liquefied natural gas |
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