EP3983739C0 - Method for drying bulk material - Google Patents

Method for drying bulk material

Info

Publication number
EP3983739C0
EP3983739C0 EP20737332.5A EP20737332A EP3983739C0 EP 3983739 C0 EP3983739 C0 EP 3983739C0 EP 20737332 A EP20737332 A EP 20737332A EP 3983739 C0 EP3983739 C0 EP 3983739C0
Authority
EP
European Patent Office
Prior art keywords
bulk material
drying bulk
drying
bulk
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.)
Active
Application number
EP20737332.5A
Other languages
German (de)
French (fr)
Other versions
EP3983739B1 (en
EP3983739A1 (en
Inventor
Erhard Fux
Dieter Kremer
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.)
Wittmann Technology GmbH
Original Assignee
Wittmann Technology GmbH
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
Application filed by Wittmann Technology GmbH filed Critical Wittmann Technology GmbH
Publication of EP3983739A1 publication Critical patent/EP3983739A1/en
Application granted granted Critical
Publication of EP3983739B1 publication Critical patent/EP3983739B1/en
Publication of EP3983739C0 publication Critical patent/EP3983739C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/14Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials moving through a counter-current of gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06Controlling, e.g. regulating, parameters of gas supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06Controlling, e.g. regulating, parameters of gas supply
    • F26B21/12Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001Handling, e.g. loading or unloading arrangements
    • F26B25/002Handling, e.g. loading or unloading arrangements for bulk goods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00Drying solid materials or objects by processes involving the application of heat
    • F26B3/02Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/08Granular materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Drying Of Solid Materials (AREA)
EP20737332.5A 2019-06-12 2020-06-08 Method for drying bulk material Active EP3983739B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT505242019 2019-06-12
PCT/AT2020/060233 WO2020247992A1 (en) 2019-06-12 2020-06-08 Method for drying bulk materials, in particular solids, such as granulates, powders, grains, foils, shavings or the like, preferably plastic granulate

Publications (3)

Publication Number Publication Date
EP3983739A1 EP3983739A1 (en) 2022-04-20
EP3983739B1 EP3983739B1 (en) 2023-12-27
EP3983739C0 true EP3983739C0 (en) 2023-12-27

Family

ID=71527513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20737332.5A Active EP3983739B1 (en) 2019-06-12 2020-06-08 Method for drying bulk material

Country Status (3)

Country Link
US (1) US20220341662A1 (en)
EP (1) EP3983739B1 (en)
WO (1) WO2020247992A1 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3625013C2 (en) 1986-07-24 1995-05-24 Somos Gmbh Method and device for drying bulk goods, preferably made of plastic granules
DE4437494A1 (en) 1994-10-20 1996-04-25 Graeff Roderich Wilhelm Method and device for drying moist gas
DE19757537A1 (en) 1997-12-23 1999-07-08 Wittmann Kunststoffgeraete Gmb Method and device for drying and heating air for drying solids
US7343700B2 (en) * 2005-01-28 2008-03-18 Mann & Hummel Protec Gmbh Automatic control of the drying of particulate material
AT505391B1 (en) 2007-10-02 2009-01-15 Wittmann Kunststoffgeraete Gmb METHOD AND DEVICE FOR DRYING BULK GOODS
AT509475B1 (en) 2010-03-03 2012-01-15 Wittmann Kunststoffgeraete METHOD FOR DRYING BULK GOODS
AT508754B1 (en) 2010-03-03 2011-04-15 Wittmann Kunststoffgeraete DEVICE FOR DRYING BULK GOODS
JP2012063072A (en) * 2010-09-16 2012-03-29 Matsui Mfg Co Drying device of powder and granular material, and drying method of powder and granular material
US8959794B2 (en) * 2011-10-18 2015-02-24 Roderich W. Graeff Process and apparatus to control the airflow in dehumidifying dryers
DE102014118742A1 (en) * 2014-12-16 2016-06-16 Phoenix Contact Gmbh & Co. Kg Process and drying plant for drying plastic granules
EP3258197B1 (en) * 2016-06-15 2020-04-15 Gerresheimer Regensburg GmbH Assembly for drying of granular bulk goods and method for same
EP3258198A1 (en) * 2016-06-15 2017-12-20 Gerresheimer Regensburg GmbH Controller and computer program product for a plant for dehumidification of bulk material

Also Published As

Publication number Publication date
US20220341662A1 (en) 2022-10-27
EP3983739B1 (en) 2023-12-27
EP3983739A1 (en) 2022-04-20
WO2020247992A1 (en) 2020-12-17

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