Cryogenic separation system and method for purifying CO and CH4
The invention discloses a cryogenic separation system and method for purifying CO and CH4. The cryogenic separation system comprises a heat exchanger, a synthesis-gas rectifying tower, a hydrogen stripping tower, a CO/CO4 separating tower, a denitrification tower and a condensation evaporator, where...
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| creator | WEN XIANGNAN CAO WEIHUA |
| description | The invention discloses a cryogenic separation system and method for purifying CO and CH4. The cryogenic separation system comprises a heat exchanger, a synthesis-gas rectifying tower, a hydrogen stripping tower, a CO/CO4 separating tower, a denitrification tower and a condensation evaporator, wherein a hydrogen-stripping-tower tower bottom evaporator is arranged at the bottom of the hydrogen stripping tower, a CO/CO4-separating-tower tower bottom evaporator is arranged at the bottom of the CO/CO4 separating tower, the denitrification tower is arranged at the top of the CO/CO4 separating tower, the condensation evaporator is arranged at the bottom of denitrification tower, and all the parts form the separation system for technologies of heat exchanging, rectification, dehydrogenation, methane purification, CO purification, product pressurizing and the like. According to the cryogenic separation system and method for purifying CO and CH4, by arranging the synthesis-gas rectifying tower,the recovery rate of met |
| format | Patent |
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The cryogenic separation system comprises a heat exchanger, a synthesis-gas rectifying tower, a hydrogen stripping tower, a CO/CO4 separating tower, a denitrification tower and a condensation evaporator, wherein a hydrogen-stripping-tower tower bottom evaporator is arranged at the bottom of the hydrogen stripping tower, a CO/CO4-separating-tower tower bottom evaporator is arranged at the bottom of the CO/CO4 separating tower, the denitrification tower is arranged at the top of the CO/CO4 separating tower, the condensation evaporator is arranged at the bottom of denitrification tower, and all the parts form the separation system for technologies of heat exchanging, rectification, dehydrogenation, methane purification, CO purification, product pressurizing and the like. According to the cryogenic separation system and method for purifying CO and CH4, by arranging the synthesis-gas rectifying tower,the recovery rate of met</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>2019</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=20190125&DB=EPODOC&CC=CN&NR=109269223A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190125&DB=EPODOC&CC=CN&NR=109269223A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WEN XIANGNAN</creatorcontrib><creatorcontrib>CAO WEIHUA</creatorcontrib><title>Cryogenic separation system and method for purifying CO and CH4</title><description>The invention discloses a cryogenic separation system and method for purifying CO and CH4. The cryogenic separation system comprises a heat exchanger, a synthesis-gas rectifying tower, a hydrogen stripping tower, a CO/CO4 separating tower, a denitrification tower and a condensation evaporator, wherein a hydrogen-stripping-tower tower bottom evaporator is arranged at the bottom of the hydrogen stripping tower, a CO/CO4-separating-tower tower bottom evaporator is arranged at the bottom of the CO/CO4 separating tower, the denitrification tower is arranged at the top of the CO/CO4 separating tower, the condensation evaporator is arranged at the bottom of denitrification tower, and all the parts form the separation system for technologies of heat exchanging, rectification, dehydrogenation, methane purification, CO purification, product pressurizing and the like. 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The cryogenic separation system comprises a heat exchanger, a synthesis-gas rectifying tower, a hydrogen stripping tower, a CO/CO4 separating tower, a denitrification tower and a condensation evaporator, wherein a hydrogen-stripping-tower tower bottom evaporator is arranged at the bottom of the hydrogen stripping tower, a CO/CO4-separating-tower tower bottom evaporator is arranged at the bottom of the CO/CO4 separating tower, the denitrification tower is arranged at the top of the CO/CO4 separating tower, the condensation evaporator is arranged at the bottom of denitrification tower, and all the parts form the separation system for technologies of heat exchanging, rectification, dehydrogenation, methane purification, CO purification, product pressurizing and the like. According to the cryogenic separation system and method for purifying CO and CH4, by arranging the synthesis-gas rectifying tower,the recovery rate of met</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 | Cryogenic separation system and method for purifying CO and CH4 |
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