EP0638365A3 - Method and device for separating fine-grained solids into two grain size fractions. - Google Patents

Method and device for separating fine-grained solids into two grain size fractions. Download PDF

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Publication number
EP0638365A3
EP0638365A3 EP94112005A EP94112005A EP0638365A3 EP 0638365 A3 EP0638365 A3 EP 0638365A3 EP 94112005 A EP94112005 A EP 94112005A EP 94112005 A EP94112005 A EP 94112005A EP 0638365 A3 EP0638365 A3 EP 0638365A3
Authority
EP
European Patent Office
Prior art keywords
grain size
flow
fine
separating
rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94112005A
Other languages
German (de)
French (fr)
Other versions
EP0638365A2 (en
EP0638365B2 (en
EP0638365B1 (en
Inventor
Juergen Dr-Ing Stein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hosokawa Alpine AG
Original Assignee
Hosokawa Alpine AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6494711&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0638365(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hosokawa Alpine AG filed Critical Hosokawa Alpine AG
Publication of EP0638365A2 publication Critical patent/EP0638365A2/en
Publication of EP0638365A3 publication Critical patent/EP0638365A3/en
Application granted granted Critical
Publication of EP0638365B1 publication Critical patent/EP0638365B1/en
Publication of EP0638365B2 publication Critical patent/EP0638365B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
    • B04C5/18—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations with auxiliary fluid assisting discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
    • B03B5/32—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/60—Washing granular, powdered or lumpy materials; Wet separating by non-mechanical classifiers, e.g. slime tanks 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
    • B04B3/04—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
    • B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes

Landscapes

  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Centrifugal Separators (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Abstract

Method and device for separating a fine-grained solid into a fine material and a coarse material at a separating grain size below 50 mu m, preferably below approximately 10 mu m. The aim of the invention is to indicate a method and a device which, in an economical manner, make possible a clear separation in particular in the grain size range below approximately 10 mu m. To achieve this aim, the fine-grained solid is dispersed in a liquid which can form drops and the dispersion is forced into a defined sink flow with a superimposed rotation flow generated independently of the sink flow. The ratio of the speeds of the sink flow and the rotation flow determines the separating grain size. Serving as the device is a rotary-driven deflector wheel with blades running parallel to its axis of rotation and forming flow ducts, which is flowed through from the outside to the inside and to which the solid dispersion is fed at the external circumference. <IMAGE>
EP94112005A 1993-08-07 1994-08-01 Method and device for separating fine-grained solids into two grain size fractions Expired - Lifetime EP0638365B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4326605A DE4326605A1 (en) 1993-08-07 1993-08-07 Method and device for separating a fine-grained solid into two grain fractions
DE4326605 1993-08-07

Publications (4)

Publication Number Publication Date
EP0638365A2 EP0638365A2 (en) 1995-02-15
EP0638365A3 true EP0638365A3 (en) 1995-09-13
EP0638365B1 EP0638365B1 (en) 1999-05-26
EP0638365B2 EP0638365B2 (en) 2003-11-26

Family

ID=6494711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94112005A Expired - Lifetime EP0638365B2 (en) 1993-08-07 1994-08-01 Method and device for separating fine-grained solids into two grain size fractions

Country Status (9)

Country Link
US (1) US5894935A (en)
EP (1) EP0638365B2 (en)
JP (1) JP2752585B2 (en)
KR (1) KR0148400B1 (en)
CN (1) CN1056787C (en)
AT (1) ATE180420T1 (en)
DE (2) DE4326605A1 (en)
ES (1) ES2134296T3 (en)
TW (1) TW259722B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106638A1 (en) * 2001-02-12 2002-09-05 Tuhh Tech Gmbh Continuous wet centrifuge for classification and counter-flow washing, includes fluidized bed zone and internal chambers with coarse and fine materials extraction
US6811031B1 (en) * 2002-05-02 2004-11-02 E. Verl Adams Method and device for separating ore
US7488448B2 (en) * 2004-03-01 2009-02-10 Indian Wells Medical, Inc. Method and apparatus for removal of gas bubbles from blood
KR100590848B1 (en) * 2004-11-29 2006-06-19 한국기계연구원 Method for separating particle using rotation-type screen and equipment thereof
US8070965B2 (en) * 2007-04-18 2011-12-06 Tarves Robert J Jun Dual walled dynamic phase separator
WO2010036984A1 (en) * 2008-09-28 2010-04-01 Langenbeck Keith A Multiple flat disc type pump and hydrocyclone
JP5519982B2 (en) * 2009-09-17 2014-06-11 正裕 岩永 Two-phase fluid separation apparatus and method
JP5999682B2 (en) * 2012-03-23 2016-09-28 学校法人幾徳学園 Apparatus and method for recovering fluid with low concentration of particle component from solid-liquid two-phase fluid
RU2535322C1 (en) * 2013-08-13 2014-12-10 Федеральное Государственное Бюджетное Учреждение Науки Институт Химии И Химической Технологии Сибирского Отделения Российской Академии Наук (Иххт Со Ран) Hydraulic separator
DE102014117191B3 (en) * 2014-11-24 2016-05-12 Netzsch-Feinmahltechnik Gmbh Method for regulating the separating action of a separating device and separating device
DE102015115822A1 (en) * 2015-09-18 2017-03-23 L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Method and device for separating particles of a certain size from a suspension
CN107123354B (en) * 2017-05-21 2019-03-19 谭淞文 Sort inhalator, respiratory tract and the lung model integration of equipments of flower-shape particulate carrier
CN109056464A (en) * 2018-07-10 2018-12-21 黄山路之梦交通工程有限责任公司 A kind of pretreatment mechanism of bitumen recovery
DE102018132155B3 (en) * 2018-12-13 2019-12-12 Netzsch-Feinmahltechnik Gmbh FLOWERS WITH SPECIAL FAN WHEEL
FI128719B (en) * 2019-05-02 2020-10-30 Andritz Oy A reject chamber of a centrifugal cleaner and a centrifugal cleaner

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036543A (en) *
US2255807A (en) * 1940-01-26 1941-09-16 Carl H Plumlee Desilting machine
US3089595A (en) * 1960-08-06 1963-05-14 Alpine Ag Maschinenfabrik Und Flow apparatus for separating granular particles
EP0115057A2 (en) * 1983-01-29 1984-08-08 Alpine Aktiengesellschaft Pneumatic separator in the field of fine material
EP0355285A2 (en) * 1988-08-13 1990-02-28 FRYMA-Maschinen AG Suspension separator
DE4214771A1 (en) * 1992-05-04 1993-11-11 Netzsch Erich Holding Rotary wet classification process for fine materials - comprising rotating bladed wheel arranged in rotating flow field which has outer region and inner region, useful in wet grinding circuits

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996187A (en) * 1961-08-15 payne
US1664769A (en) † 1925-07-29 1928-04-03 Henry M Chance Method and apparatus for centrifugal thickening of mixtures and clarifying of liquids
NL264186A (en) * 1960-05-02
US3152078A (en) * 1963-03-14 1964-10-06 Pennsalt Chemicals Corp Stationary-walled centrifuge
SU1005929A1 (en) * 1981-12-31 1983-03-23 Кузнецкий научно-исследовательский и проектно-конструкторский институт углеобогащения Hydraulic cyclone for classifying minerals
JPS60501197A (en) † 1983-01-28 1985-08-01 ベロルスキイ　フイリアル　ブセソユズノゴ　ナウチノ−イスレドバテルスコゴ　イ　プロエクトノゴ　インステイチユタガルルギイ Turbine type centrifugal separator for suspension separation
IL73329A (en) * 1984-10-26 1987-10-20 Amiad Cyclonic separator
FI71671C (en) * 1985-05-20 1987-02-09 Ahlstroem Oy FOERFARANDE OCH APPARAT FOER AVVATTNING AV EN SUSPENSION.
DE3721401A1 (en) * 1987-06-29 1989-01-12 Voith Gmbh J M HYDROCYCLONE
DE8916267U1 (en) * 1989-02-20 1996-08-08 Klöckner-Humboldt-Deutz AG, 51063 Köln Sifter for sifting granular material and grinding system with the activation of such a sifter
SU1646610A1 (en) * 1989-03-09 1991-05-07 Petrov Aleksandr T Centrifugal filter thickener
JPH03151067A (en) * 1989-11-06 1991-06-27 Machiko Nonaka Method for classifying slurry or the like
JPH0462785A (en) * 1990-06-29 1992-02-27 Toshiba Corp Electric power supply for magnetron drive
DE4040890C2 (en) * 1990-12-20 1995-03-23 Krupp Foerdertechnik Gmbh Air classifier
US5284250A (en) * 1991-09-13 1994-02-08 Stepenhoff Gary F Particle separation apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036543A (en) *
US2255807A (en) * 1940-01-26 1941-09-16 Carl H Plumlee Desilting machine
US3089595A (en) * 1960-08-06 1963-05-14 Alpine Ag Maschinenfabrik Und Flow apparatus for separating granular particles
EP0115057A2 (en) * 1983-01-29 1984-08-08 Alpine Aktiengesellschaft Pneumatic separator in the field of fine material
EP0355285A2 (en) * 1988-08-13 1990-02-28 FRYMA-Maschinen AG Suspension separator
DE4214771A1 (en) * 1992-05-04 1993-11-11 Netzsch Erich Holding Rotary wet classification process for fine materials - comprising rotating bladed wheel arranged in rotating flow field which has outer region and inner region, useful in wet grinding circuits

Also Published As

Publication number Publication date
ES2134296T3 (en) 1999-10-01
EP0638365A2 (en) 1995-02-15
TW259722B (en) 1995-10-11
JPH07155638A (en) 1995-06-20
DE4326605A1 (en) 1995-02-09
US5894935A (en) 1999-04-20
CN1122262A (en) 1996-05-15
JP2752585B2 (en) 1998-05-18
KR0148400B1 (en) 1998-11-16
CN1056787C (en) 2000-09-27
KR950005382A (en) 1995-03-20
DE59408302D1 (en) 1999-07-01
EP0638365B2 (en) 2003-11-26
ATE180420T1 (en) 1999-06-15
EP0638365B1 (en) 1999-05-26

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