ATE59900T1 - METHOD AND DEVICE FOR DRYING HEAT-SENSITIVE PRODUCTS WITH HIGH INITIAL MOISTURE. - Google Patents

METHOD AND DEVICE FOR DRYING HEAT-SENSITIVE PRODUCTS WITH HIGH INITIAL MOISTURE.

Info

Publication number
ATE59900T1
ATE59900T1 AT86107307T AT86107307T ATE59900T1 AT E59900 T1 ATE59900 T1 AT E59900T1 AT 86107307 T AT86107307 T AT 86107307T AT 86107307 T AT86107307 T AT 86107307T AT E59900 T1 ATE59900 T1 AT E59900T1
Authority
AT
Austria
Prior art keywords
high initial
sensitive products
products
initial moisture
fluidised
Prior art date
Application number
AT86107307T
Other languages
German (de)
Inventor
Rainer Brunner
Original Assignee
Waldner Gmbh & Co Hermann
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 Waldner Gmbh & Co Hermann filed Critical Waldner Gmbh & Co Hermann
Application granted granted Critical
Publication of ATE59900T1 publication Critical patent/ATE59900T1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying 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
    • F26B3/06—Drying 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
    • F26B3/08—Drying 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 so as to loosen them, e.g. to form a fluidised bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying 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
    • F26B3/10—Drying 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 carrying the materials or objects to be dried with it

Abstract

The fluidisable products of high initial humidity are dried by the fluidised-bed process, in particular heat-sensitive products such as, for example, casein, lactose, proteins and the like. It is proposed that these products are pre-dried in a first stage by the pneumatic-layer process and then finally dried in a second stage by the fluidised-bed process. In this way, overheating in the pneumatic-layer drier (12, 14) and problems due to inadequate fluidisation on the inlet side of the fluidised-bed drier (10) are avoided.
AT86107307T 1985-06-01 1986-05-29 METHOD AND DEVICE FOR DRYING HEAT-SENSITIVE PRODUCTS WITH HIGH INITIAL MOISTURE. ATE59900T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853519750 DE3519750A1 (en) 1985-06-01 1985-06-01 METHOD AND DEVICE FOR DRYING HEAT-SENSITIVE PRODUCTS WITH HIGH INITIAL HUMIDITY
EP86107307A EP0207293B1 (en) 1985-06-01 1986-05-29 Process and apparatus for drying heat-sensitive products having a high initial humidity

Publications (1)

Publication Number Publication Date
ATE59900T1 true ATE59900T1 (en) 1991-01-15

Family

ID=6272242

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86107307T ATE59900T1 (en) 1985-06-01 1986-05-29 METHOD AND DEVICE FOR DRYING HEAT-SENSITIVE PRODUCTS WITH HIGH INITIAL MOISTURE.

Country Status (3)

Country Link
EP (1) EP0207293B1 (en)
AT (1) ATE59900T1 (en)
DE (2) DE3519750A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2981352B1 (en) 2013-04-03 2019-05-15 Glatt Ingenieurtechnik GmbH Rotary dryer star for treating solid particles
DE102013005921A1 (en) * 2013-04-03 2014-10-09 Glatt Ingenieurtechnik Gmbh Fluidisierungsapparat

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT220075B (en) * 1957-06-14 1962-03-12 Hermann Orth Fluidized bed and flight bed dryers
DE1729279C3 (en) * 1967-03-13 1975-05-28 Buettner-Schilde-Haas Ag, 4150 Krefeld Device for pre-drying for fluidized bed dryers
DD102799A1 (en) * 1972-07-19 1973-12-20
DE2427932B2 (en) * 1974-06-10 1978-02-09 Bergwerksverband GmbH; Didier Engineering GmbH; 4300 Essen FLOW CURRENT DRYER WITH A DIFFUSER-LIKE NARROW DRYING PIPE
DE2544048A1 (en) * 1975-10-02 1977-04-21 Kloeckner Humboldt Deutz Ag Removing volatiles from polymer lumps - by carrying in hot gas and depositing on vibrating screen with gas counterflow
DE3246461A1 (en) * 1982-12-15 1984-06-20 H. Orth GmbH, 6737 Böhl-Iggelheim Device for the treatment of fluidisable solids in a fluidised-bed process

Also Published As

Publication number Publication date
DE3519750C2 (en) 1988-06-16
DE3676749D1 (en) 1991-02-14
EP0207293A3 (en) 1988-05-11
DE3519750A1 (en) 1986-12-04
EP0207293A2 (en) 1987-01-07
EP0207293B1 (en) 1991-01-09

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee