POWDER CLASSIFICATION APPARATUS
PROBLEM TO BE SOLVED: To provide a powder classification apparatus which classifies powder with a size of a few μms or less or a size of a submicron with high accuracy using a grinding or dispersing device and a cyclone-type separation device. SOLUTION: The powder classification apparatus includes a...
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| creator | TAKETOMI KENJI OZAWA KAZUMI |
| description | PROBLEM TO BE SOLVED: To provide a powder classification apparatus which classifies powder with a size of a few μms or less or a size of a submicron with high accuracy using a grinding or dispersing device and a cyclone-type separation device. SOLUTION: The powder classification apparatus includes a cyclone which comprises a cylindrical part and an inverted truncated cone part extended below the cylindrical part and forms a whirling flow along the inner circumferential wall of the cylindrical part and the inverted truncated cone part and whirls coarse powder and falls it, a disclike whirling flow forming part which is arranged above the cyclone and has a diameter larger than that of the cylindrical part of the cyclone, a powder supply part arranged at the outer circumferential part of the disclike whirling flow forming part to which the powder is transferred by air flow from a tangential direction and is supplied, a ringlike edge arranged at least at one of the upper and lower surfaces inside the disclike whirling flow forming part, a discharging part which is arranged above the cyclone and discharges air flow containing fine powder, and a recovery part of the coarse powder which is arranged below the cyclone. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: The powder classification apparatus includes a cyclone which comprises a cylindrical part and an inverted truncated cone part extended below the cylindrical part and forms a whirling flow along the inner circumferential wall of the cylindrical part and the inverted truncated cone part and whirls coarse powder and falls it, a disclike whirling flow forming part which is arranged above the cyclone and has a diameter larger than that of the cylindrical part of the cyclone, a powder supply part arranged at the outer circumferential part of the disclike whirling flow forming part to which the powder is transferred by air flow from a tangential direction and is supplied, a ringlike edge arranged at least at one of the upper and lower surfaces inside the disclike whirling flow forming part, a discharging part which is arranged above the cyclone and discharges air flow containing fine powder, and a recovery part of the coarse powder which is arranged below the cyclone. COPYRIGHT: (C)2009,JPO&INPIT</description><language>eng</language><subject>APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES ; CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES ; CRUSHING, PULVERISING, OR DISINTEGRATING ; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL ; MILLING GRAIN ; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL ; PERFORMING OPERATIONS ; PREPARATORY TREATMENT OF GRAIN FOR MILLING ; SEPARATING SOLIDS FROM SOLIDS ; SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS ; SORTING ; TRANSPORTING</subject><creationdate>2008</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=20081113&DB=EPODOC&CC=JP&NR=2008272627A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20081113&DB=EPODOC&CC=JP&NR=2008272627A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKETOMI KENJI</creatorcontrib><creatorcontrib>OZAWA KAZUMI</creatorcontrib><title>POWDER CLASSIFICATION APPARATUS</title><description>PROBLEM TO BE SOLVED: To provide a powder classification apparatus which classifies powder with a size of a few μms or less or a size of a submicron with high accuracy using a grinding or dispersing device and a cyclone-type separation device. SOLUTION: The powder classification apparatus includes a cyclone which comprises a cylindrical part and an inverted truncated cone part extended below the cylindrical part and forms a whirling flow along the inner circumferential wall of the cylindrical part and the inverted truncated cone part and whirls coarse powder and falls it, a disclike whirling flow forming part which is arranged above the cyclone and has a diameter larger than that of the cylindrical part of the cyclone, a powder supply part arranged at the outer circumferential part of the disclike whirling flow forming part to which the powder is transferred by air flow from a tangential direction and is supplied, a ringlike edge arranged at least at one of the upper and lower surfaces inside the disclike whirling flow forming part, a discharging part which is arranged above the cyclone and discharges air flow containing fine powder, and a recovery part of the coarse powder which is arranged below the cyclone. 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SOLUTION: The powder classification apparatus includes a cyclone which comprises a cylindrical part and an inverted truncated cone part extended below the cylindrical part and forms a whirling flow along the inner circumferential wall of the cylindrical part and the inverted truncated cone part and whirls coarse powder and falls it, a disclike whirling flow forming part which is arranged above the cyclone and has a diameter larger than that of the cylindrical part of the cyclone, a powder supply part arranged at the outer circumferential part of the disclike whirling flow forming part to which the powder is transferred by air flow from a tangential direction and is supplied, a ringlike edge arranged at least at one of the upper and lower surfaces inside the disclike whirling flow forming part, a discharging part which is arranged above the cyclone and discharges air flow containing fine powder, and a recovery part of the coarse powder which is arranged below the cyclone. COPYRIGHT: (C)2009,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2008272627A |
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| subjects | APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL ORCHEMICAL PROCESSES CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL MILLING GRAIN OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING TRANSPORTING |
| title | POWDER CLASSIFICATION APPARATUS |
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