Preparation process of coal-oil slurry
The invention relates to the technical field of direct liquefaction, in particular to a preparation process for coal-oil slurry. The preparation process comprises the following steps: grinding and mixing large-particle-size pulverized coal particles which are not dried, hydrogenation solvent oil and...
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| creator | CHEN CHONG SU TIANXIONG WU KE ZENG JILONG CHEN ZUOZHEN |
| description | The invention relates to the technical field of direct liquefaction, in particular to a preparation process for coal-oil slurry. The preparation process comprises the following steps: grinding and mixing large-particle-size pulverized coal particles which are not dried, hydrogenation solvent oil and a catalyst to obtain water-containing coal-oil slurry, and conducting dehydrating to obtain coal-oil slurry with a water content of less than or equal to 3%. According to the preparation process, equipment and cost are reduced, the coal-oil slurry is uniform in granularity and is uniformly mixed, and a finished product is good in quality. The invention also discloses a device. The device comprises an evaporation tank, wherein the evaporation tank comprises baffle plates which divide an inner tank cavity into a plurality of communicating branch grooves, and the temperature of the inner tank cavity is arranged according to the gradient of the branch grooves, so blast boiling in the heating dehydration process of the |
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The preparation process comprises the following steps: grinding and mixing large-particle-size pulverized coal particles which are not dried, hydrogenation solvent oil and a catalyst to obtain water-containing coal-oil slurry, and conducting dehydrating to obtain coal-oil slurry with a water content of less than or equal to 3%. According to the preparation process, equipment and cost are reduced, the coal-oil slurry is uniform in granularity and is uniformly mixed, and a finished product is good in quality. The invention also discloses a device. The device comprises an evaporation tank, wherein the evaporation tank comprises baffle plates which divide an inner tank cavity into a plurality of communicating branch grooves, and the temperature of the inner tank cavity is arranged according to the gradient of the branch grooves, so blast boiling in the heating dehydration process of the</description><language>chi ; eng</language><subject>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; FIRELIGHTERS ; FUELS ; FUELS NOT OTHERWISE PROVIDED FOR ; LIQUEFIED PETROLEUM GAS ; LUBRICANTS ; METALLURGY ; NATURAL GAS ; PEAT ; PERFORMING OPERATIONS ; PETROLEUM, GAS OR COKE INDUSTRIES ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>2020</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=20201117&DB=EPODOC&CC=CN&NR=111944570A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201117&DB=EPODOC&CC=CN&NR=111944570A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN CHONG</creatorcontrib><creatorcontrib>SU TIANXIONG</creatorcontrib><creatorcontrib>WU KE</creatorcontrib><creatorcontrib>ZENG JILONG</creatorcontrib><creatorcontrib>CHEN ZUOZHEN</creatorcontrib><title>Preparation process of coal-oil slurry</title><description>The invention relates to the technical field of direct liquefaction, in particular to a preparation process for coal-oil slurry. The preparation process comprises the following steps: grinding and mixing large-particle-size pulverized coal particles which are not dried, hydrogenation solvent oil and a catalyst to obtain water-containing coal-oil slurry, and conducting dehydrating to obtain coal-oil slurry with a water content of less than or equal to 3%. According to the preparation process, equipment and cost are reduced, the coal-oil slurry is uniform in granularity and is uniformly mixed, and a finished product is good in quality. The invention also discloses a device. 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The preparation process comprises the following steps: grinding and mixing large-particle-size pulverized coal particles which are not dried, hydrogenation solvent oil and a catalyst to obtain water-containing coal-oil slurry, and conducting dehydrating to obtain coal-oil slurry with a water content of less than or equal to 3%. According to the preparation process, equipment and cost are reduced, the coal-oil slurry is uniform in granularity and is uniformly mixed, and a finished product is good in quality. The invention also discloses a device. The device comprises an evaporation tank, wherein the evaporation tank comprises baffle plates which divide an inner tank cavity into a plurality of communicating branch grooves, and the temperature of the inner tank cavity is arranged according to the gradient of the branch grooves, so blast boiling in the heating dehydration process of the</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Preparation process of coal-oil slurry |
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