DIRECT LIQUEFACTION OF COAL
PURPOSE:To liquefy coal efficiently and economically in a consistent manner without necessitating any special heat source, by supplying a coal slurry obtd. from a first-stage reaction to a second-stage reactor in which it is reacted after the coal slurry has been heated with a part of the coal liqui...
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| creator | MORIYAMA YOSHITAKA KAMETANI TAKAHARU MAEDA AKIHIRO MOCHIDA NORIAKI HASHIMOTO YOSHIKI YOKOYAMA TAKASHI |
| description | PURPOSE:To liquefy coal efficiently and economically in a consistent manner without necessitating any special heat source, by supplying a coal slurry obtd. from a first-stage reaction to a second-stage reactor in which it is reacted after the coal slurry has been heated with a part of the coal liquid from the second-stage reactor. CONSTITUTION:After coal slurry is introduced via a conduit 5 into a first-stage reactor 1 and reacted at about 380 deg.C for a short time, it is introduced via a conduit 6 into a heat exchanger 4, in which it is heated with a part of a high- temp. coal liquid flowing from a second-stage reactor 2' via a conduit 8 at a flow rate controlled by a control valve 11 according to a temp. within a second-stage reactor 2, and sent via the conduit 6 to the second-stage reactors 2 and 2', where it is reacted at about 450 deg.C for 0.5-2hr to prepare a coal liquid. The coal liquid is withdrawn via a discharge conduit 7. It is partially introduced via a conduit 8 into said heat exchanger, where it is subjected to heat exchange and combined with the residual coal liquid via a conduit 9 and then withdrawn out of the system. |
| format | Patent |
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CONSTITUTION:After coal slurry is introduced via a conduit 5 into a first-stage reactor 1 and reacted at about 380 deg.C for a short time, it is introduced via a conduit 6 into a heat exchanger 4, in which it is heated with a part of a high- temp. coal liquid flowing from a second-stage reactor 2' via a conduit 8 at a flow rate controlled by a control valve 11 according to a temp. within a second-stage reactor 2, and sent via the conduit 6 to the second-stage reactors 2 and 2', where it is reacted at about 450 deg.C for 0.5-2hr to prepare a coal liquid. The coal liquid is withdrawn via a discharge conduit 7. It is partially introduced via a conduit 8 into said heat exchanger, where it is subjected to heat exchange and combined with the residual coal liquid via a conduit 9 and then withdrawn out of the system.</description><language>eng</language><subject>CHEMISTRY ; CRACKING HYDROCARBON OILS ; FUELS ; LUBRICANTS ; METALLURGY ; MINERAL WAXES ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION ; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES ; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS ; REFORMING OF NAPHTHA ; TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><creationdate>1986</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=19860520&DB=EPODOC&CC=JP&NR=S61101592A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860520&DB=EPODOC&CC=JP&NR=S61101592A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORIYAMA YOSHITAKA</creatorcontrib><creatorcontrib>KAMETANI TAKAHARU</creatorcontrib><creatorcontrib>MAEDA AKIHIRO</creatorcontrib><creatorcontrib>MOCHIDA NORIAKI</creatorcontrib><creatorcontrib>HASHIMOTO YOSHIKI</creatorcontrib><creatorcontrib>YOKOYAMA TAKASHI</creatorcontrib><title>DIRECT LIQUEFACTION OF COAL</title><description>PURPOSE:To liquefy coal efficiently and economically in a consistent manner without necessitating any special heat source, by supplying a coal slurry obtd. from a first-stage reaction to a second-stage reactor in which it is reacted after the coal slurry has been heated with a part of the coal liquid from the second-stage reactor. CONSTITUTION:After coal slurry is introduced via a conduit 5 into a first-stage reactor 1 and reacted at about 380 deg.C for a short time, it is introduced via a conduit 6 into a heat exchanger 4, in which it is heated with a part of a high- temp. coal liquid flowing from a second-stage reactor 2' via a conduit 8 at a flow rate controlled by a control valve 11 according to a temp. within a second-stage reactor 2, and sent via the conduit 6 to the second-stage reactors 2 and 2', where it is reacted at about 450 deg.C for 0.5-2hr to prepare a coal liquid. The coal liquid is withdrawn via a discharge conduit 7. 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CONSTITUTION:After coal slurry is introduced via a conduit 5 into a first-stage reactor 1 and reacted at about 380 deg.C for a short time, it is introduced via a conduit 6 into a heat exchanger 4, in which it is heated with a part of a high- temp. coal liquid flowing from a second-stage reactor 2' via a conduit 8 at a flow rate controlled by a control valve 11 according to a temp. within a second-stage reactor 2, and sent via the conduit 6 to the second-stage reactors 2 and 2', where it is reacted at about 450 deg.C for 0.5-2hr to prepare a coal liquid. The coal liquid is withdrawn via a discharge conduit 7. It is partially introduced via a conduit 8 into said heat exchanger, where it is subjected to heat exchange and combined with the residual coal liquid via a conduit 9 and then withdrawn out of the system.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PETROLEUM, GAS OR COKE INDUSTRIES PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE |
| title | DIRECT LIQUEFACTION OF COAL |
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