EP1231441A1 - Vorrichtung geeignet für Trocknung von Schüttgütern - Google Patents

Vorrichtung geeignet für Trocknung von Schüttgütern Download PDF

Info

Publication number: EP1231441A1
Authority: EP; European Patent Office
Prior art keywords: tubes; openings; air passages; bulk goods; tube
Prior art date: 2001-02-12
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

EP02075539A

Other languages

English (en)

French (fr)

Other versions

EP1231441B1 (de

Inventor

Mathieu Antoon Karel Maes

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.)

Holding Dinnissen BV

Original Assignee

Holding Dinnissen BV

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.)

2001-02-12

Filing date

2002-02-11

Publication date

2002-08-14

2002-02-11 Application filed by Holding Dinnissen BV filed Critical Holding Dinnissen BV

2002-08-14 Publication of EP1231441A1 publication Critical patent/EP1231441A1/de

2006-05-03 Application granted granted Critical

2006-05-03 Publication of EP1231441B1 publication Critical patent/EP1231441B1/de

2022-02-11 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

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
- F26B17/12—Machines 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
- F26B17/14—Machines 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
- F26B17/1408—Machines 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 the gas being supplied and optionally extracted through ducts extending into the moving stack of material
- F26B17/1416—Machines 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 the gas being supplied and optionally extracted through ducts extending into the moving stack of material the ducts being half open or perforated and arranged horizontally
- 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
- F26B17/001—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement the material moving down superimposed floors
- F26B17/002—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement the material moving down superimposed floors with floors which may rotate and turn over as a whole or in part, e.g. around a horizontal axis

Definitions

the invention relates to a device suitable for drying bulk goods, which device is provided with at least one chamber comprising a bottom, which bottom is provided with a number of parallel tubes extending along central axes, which are provided with air passages present in the walls thereof, which bottom is furthermore provided with means for releasing and closing openings present in the bottom.
each chamber being provided with a bottom.
Each bottom is provided with a number of horizontally extending tubes and plate-shaped elements disposed between said tubes.
Present between the plate-shaped elements are openings, which are located under the tubes in a first position, in which the openings are closed.
the openings will be positioned beside the tubes, seen in horizontal direction, with the bulk goods present on the plates falling through the openings. Because a plate is in its entirety moved under a tube, all the bulk goods present on a plate will be pushed into the openings by the tubes.
the tubes are provided with air passages for supplying a gaseous fluid by means of which the bulk goods are dried, such as air, to the bulk goods.
the gaseous fluid will mainly reach the bulk goods that are located closest to the tubes.
the bulk goods that are located centrally between the tubes will hardly be reached by the gaseous fluid.
the object of the invention is to provide a device in which the bulk goods can be provided with a gaseous fluid over substantially the entire bottom.
the tubes provided with air passages are tiltable about central axes extending through the tubes between a first position, in which the openings are closed, to a second position, in which the openings are released, and vice versa.
the entire bottom is preferably provided with tubes. This makes it possible to provide the entire layer of bulk goods with air in a uniform manner. It is also possible, of course, to pass another gaseous fluid through the passages.
the cross-sectional configuration of the tubes is selected so that the tubes close the openings in the first position, whilst in the second, tilted position openings are present between the tubes, through which the bulk goods can fall.
One embodiment of the device according to the invention is characterized in that the cross-sectional area of an air passages space in the tube decreases from the first end.
FIG. 1 shows a device 1 according to the invention, which comprises a vertically extending cylinder 2, in which substantially horizontally extending bottoms 3a-3h are present. Chambers 4 are present between the bottoms 3a-3h and above the uppermost bottom 3a. Present below the lowermost bottom 3h is a discharge funnel 5.
Each bottom 3a-3h includes a number of horizontally extending tubes 6, which are tiltable in the directions indicated by the arrows P1, P2 about axes 7 extending through said tubes 6.
the tubes 6 of successive bottoms 3a-3h are alternately rotatable in directions indicated by arrows P1, P2.
the device 1 furthermore comprises a bulk goods supplying device 8, which includes an horizontally extending plate 9.
the plate is circular in shape and extends transversely to a central axis 10.
the plate 9 is rotatable about the central axis 10.
the plate 9 is provided with a rod 11 extending along the central axis 10, which is mounted in bearings in a bearing block 12 on a side of the plate 9 remote from the bottom 3a and which is rotatably connected to a motor 13.
the bearing block 12 is mounted in a frame 14, which is rotatably mounted, about an axis of rotation 15, in a bearing block 16.
the central axis 11 and the axis of rotation 15 extend parallel to each other in spaced-apart relationship.
the bulk goods supplying device 8 furthermore includes a supply pipe 17, which opens above the plate 9 with a first end 18 and which is connected to the frame 14 near the axis of rotation 15 with a second end 19 remote from the first end 18.
a supply pipe or feed hopper (not shown), via which the bulk goods are introduced into the second end 19, is disposed above said second end 19.
Figure 2 is a sectional view along the central axis 7 of a tube 6, which tube 6 is provided, near a first end 30 thereof, with a stationary propeller 31 and a diffuser 32 disposed some distance away therefrom.
the first end 30 is connected to an air supplying device (not shown), by means of which area is carried to the propeller 31 in a direction indicated by the arrow P10.
a plate 33 is disposed inside the tube 6, which plate includes an acute angle with the central axis 7.
the plate 33 is connected to a wall portion 35 of the tubes 6 near a second end 34 remote from the first end 30. Near the first end 30, the plate 33 is connected to a wall portion 36 extending parallel to the first wall portion 35.
the first wall portion 35 is provided with a number of air passages 37 which are regularly distributed over the surface of the wall portion 35.
Air that is blown into the tube 6 by the propeller 31 lands in the air passage space 38 bounded by the first wall portion 35 and the plate 33, from where the air is blown in the direction indicated by arrows P11, towards and through the bulk goods present on the first wall portion 35, via the air passages 35.
the cross-sectional area of the air passage space 38 decreases from the first end 30 to the second end 34. In this manner it is ensured that substantially the same amount of the air is passed through the air passages 37 located near the second end 34 as through the air passages 37 located near the first end 30.
the first wall portion 35 has a width B1 greater than the width B2 of the second wall portion 36.
the wall portions 35, 36 are interconnected by means of the wall portions 39, 36, which, as a result of the difference in width between the wall portions 35, 36, include an acute angle with the first wall portion 35.
the tubes 6 will be tilted through an angle of, preferably, 90° in the direction indicated by the arrows P1 or P2. In that case the tubes 6 take up a width in horizontal direction which equals the distance B3 between the first wall portion 35 and the second wall portion 36. Thus an opening which equals B1-B3 has been formed between the tubes 6.
the bulk goods present thereon will slide off the first wall portions 35 and fall through the openings present between the tubes 6 into a chamber disposed thereunder.
the bulk goods will successively land on the bottoms 3c-3h and eventually leave the device 1 via the funnel 5.
first wall portion 35 slightly curved instead of flat.
the surfaces 36, 39, 40 can have a circular or other shape.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Drying Of Solid Materials (AREA)
Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

EP02075539A 2001-02-12 2002-02-11 Vorrichtung geeignet für Trocknung von Schüttgütern Expired - Lifetime EP1231441B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL1017343A NL1017343C2 (nl)	2001-02-12	2001-02-12	Inrichting geschikt voor het drogen van stortgoed.
NL1017343		2001-02-12

Publications (2)

Publication Number	Publication Date
EP1231441A1 true EP1231441A1 (de)	2002-08-14
EP1231441B1 EP1231441B1 (de)	2006-05-03

Family

ID=19772891

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02075539A Expired - Lifetime EP1231441B1 (de)	2001-02-12	2002-02-11	Vorrichtung geeignet für Trocknung von Schüttgütern

Country Status (6)

Country	Link
EP (1)	EP1231441B1 (de)
AT (1)	ATE325321T1 (de)
DE (1)	DE60211046T2 (de)
DK (1)	DK1231441T3 (de)
ES (1)	ES2261590T3 (de)
NL (1)	NL1017343C2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2380631C1 (ru) *	2008-07-09	2010-01-27	Государственное образовательное учреждение высшего профессионального образования Воронежская государственная технологическая академия	Конвективная сушилка

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB191124432A (en) *	1911-11-03	1912-11-04	Herbert Frank Berry	Improvements in Apparatus for Heating and Drying Stone and other Materials for use on Roads and like Surfaces.
GB111112A (en) *	1914-03-24	1919-01-16	Technema Nv	A Method of and Apparatus for Drying Goods, such as Wheat, Fruit, Vegetables or Fish.
GB155625A (en) *	1919-09-02	1920-12-30	Watze Spoelstra	Apparatus for drying vegetables and the like
FR2201696A5 (en) *	1972-10-02	1974-04-26	Dupuis Ste Exploit	Air drier, ventilator and ejector for grain silo - has parallel louvred trapezoidal section ducts fed from central duct
FR2563327A1 (fr) *	1984-04-24	1985-10-25	Bertin & Cie	Installation de sechage de produits par echange de chaleur avec un fluide de sechage
EP0498725A1 (de) *	1991-02-06	1992-08-12	SATIG Société Anonyme	Getreidetrockner
DE4338898A1 (de) *	1993-11-16	1995-05-18	Knoll Anlagenbau Gmbh	Trocknungsanlage für Getreide, Mais und andere körnige Produkte

2001
- 2001-02-12 NL NL1017343A patent/NL1017343C2/nl not_active IP Right Cessation
2002
- 2002-02-11 AT AT02075539T patent/ATE325321T1/de not_active IP Right Cessation
- 2002-02-11 DK DK02075539T patent/DK1231441T3/da active
- 2002-02-11 ES ES02075539T patent/ES2261590T3/es not_active Expired - Lifetime
- 2002-02-11 DE DE60211046T patent/DE60211046T2/de not_active Expired - Lifetime
- 2002-02-11 EP EP02075539A patent/EP1231441B1/de not_active Expired - Lifetime

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB191124432A (en) *	1911-11-03	1912-11-04	Herbert Frank Berry	Improvements in Apparatus for Heating and Drying Stone and other Materials for use on Roads and like Surfaces.
GB111112A (en) *	1914-03-24	1919-01-16	Technema Nv	A Method of and Apparatus for Drying Goods, such as Wheat, Fruit, Vegetables or Fish.
GB155625A (en) *	1919-09-02	1920-12-30	Watze Spoelstra	Apparatus for drying vegetables and the like
FR2201696A5 (en) *	1972-10-02	1974-04-26	Dupuis Ste Exploit	Air drier, ventilator and ejector for grain silo - has parallel louvred trapezoidal section ducts fed from central duct
FR2563327A1 (fr) *	1984-04-24	1985-10-25	Bertin & Cie	Installation de sechage de produits par echange de chaleur avec un fluide de sechage
EP0498725A1 (de) *	1991-02-06	1992-08-12	SATIG Société Anonyme	Getreidetrockner
DE4338898A1 (de) *	1993-11-16	1995-05-18	Knoll Anlagenbau Gmbh	Trocknungsanlage für Getreide, Mais und andere körnige Produkte

Also Published As

Publication number	Publication date
EP1231441B1 (de)	2006-05-03
ATE325321T1 (de)	2006-06-15
NL1017343C2 (nl)	2002-08-13
DE60211046T2 (de)	2006-12-14
ES2261590T3 (es)	2006-11-16
DE60211046D1 (de)	2006-06-08
DK1231441T3 (da)	2006-07-17

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US5507868A (en)	1996-04-16	Pan coating apparatus with louvered air supply guide
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