EP2397804B1 - Push and turn dryer - Google Patents

Push and turn dryer Download PDF

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Publication number
EP2397804B1
EP2397804B1 EP11169990.6A EP11169990A EP2397804B1 EP 2397804 B1 EP2397804 B1 EP 2397804B1 EP 11169990 A EP11169990 A EP 11169990A EP 2397804 B1 EP2397804 B1 EP 2397804B1
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EP
European Patent Office
Prior art keywords
push
traverse
dryer according
turning
worms
Prior art date
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Active
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EP11169990.6A
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German (de)
French (fr)
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EP2397804A3 (en
EP2397804A2 (en
Inventor
Karl Pein
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AGRO Maschinenbau GmbH
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AGRO Maschinenbau GmbH
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Priority to PL11169990T priority Critical patent/PL2397804T3/en
Priority to SI201131311T priority patent/SI2397804T1/en
Publication of EP2397804A2 publication Critical patent/EP2397804A2/en
Publication of EP2397804A3 publication Critical patent/EP2397804A3/en
Application granted granted Critical
Publication of EP2397804B1 publication Critical patent/EP2397804B1/en
Priority to HRP20171561TT priority patent/HRP20171561T1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/08—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements
    • F26B9/082—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements mechanically agitating or recirculating the material being dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/10—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof

Definitions

  • the invention relates to a Schubwendetrockner with a heated flat bed for receiving to be dried, in particular granular Good and with a movable over the flat bed agitator, according to the preamble of claim 1.
  • a device for processing granular material in a drying container is known, on the side wall at least one rotatably driven hollow cylinder is arranged, which dips into the dry material.
  • a fan is attached, the air from top to bottom feeds, which flows through openings in the lower third of the hollow cylinder in the estate.
  • the outer wall of the hollow cylinder carries zigzag-shaped mixer spiral.
  • a similar drying device is known from German Utility Model 1 993 481 and is used in particular for drying cereals or other grain crops. These are heated on the sieve bottom of a flat bed from below and continuously mixed by the agitator, which is moved in the longitudinal direction of the flat bed.
  • the purpose of this agitator consists of a series of blades or paddles, which are mounted on a common tube with a horizontal axis of rotation. In the tube, a coaxial shaft is mounted, which carries at one end a toothed wheel, which meshes with a rack, whereby the Traverse formed in this way can be moved by means of a motor above the flat bed.
  • This intensity of mixing is dependent in this construction that as many blades or paddles are mounted close to each other on the pipe, as the blades always cover only the same narrow area of the material in front, without mixing with adjacent strips of the granular material he follows.
  • US Pat. No. 3,592,447 relates to a grain silo with a high cylinder container, in which a central column carries a height-adjustable yoke, to which a pipe is fixed, which extends over the entire diameter of the cylinder container.
  • a central column carries a height-adjustable yoke, to which a pipe is fixed, which extends over the entire diameter of the cylinder container.
  • the invention has for its object to design a Schubwendetrockner the outlined type so that even with a small number of juxtaposed blades intensive and gentle mixing and drying of the goods and a planing and final emptying can be guaranteed over the entire width of the flat bed.
  • the invention provides that the traverse of the agitator is connected to a lifting member, so that the turning screws between a raised rest position and a lowered working position can be moved vertically.
  • the agitator can be dug when it is not needed, so that it does not come into contact with the sensitive good.
  • the traverse is assigned in parallel with the row of turning screws a plow blade, which is also connected to a lifting drive.
  • the traverse and the dozer blade, both of which can be moved vertically, can be accommodated in a housing which can be moved horizontally on the trough.
  • the axes of the turning screws lie in a common plane and the respective adjacent axes are driven in opposite directions by a common, fixed to the crosshead motor.
  • a dust cyclone connected to an exhaust fan may be provided in the housing, having a series of bag filters arranged in parallel with the row of turning augers.
  • a discharge screw can be provided, which extends in the housing transversely to the direction of travel.
  • a Schubwendetrockner is available, which solves the task in an optimal manner and moreover has the advantage that, in contrast to the above-mentioned Schubwendetrockner the prior art, a gentle mixing and drying of the goods allowed, which is especially in grains and seeds, e.g. As pumpkin seeds is essential, the shell is very sensitive in the wet state and can be easily injured.
  • the in the FIGS. 1 and 2 shown Schubwendetrockner 10 consists in a known manner from a rectangular trough 12 with two mutually parallel side walls 14, which is completed at the two ends by a respective transverse wall 16.
  • a drying chamber 18 is formed, which is supplied by a fan, not shown, with hot air and is closed at the top by a formed as a perforated bottom flatbed 20.
  • a traverse 22 is supported, which is designed as a box-shaped beam.
  • the traverse 22 is in the known manner by means of an electric motor 24 via a gear - rack gear 26 on the two side walls 14 in the longitudinal direction of the trough 12 movable (see. Long arrows in FIG. 3 ).
  • each axis 28 In the traverse 22 a number of juxtaposed, vertical axes 28 is rotatably mounted in a plane, each axis 28 carries at its lower end a turning screw 30.
  • a drive wheel 32 At its end projecting beyond the traverse 22, a drive wheel 32, which is designed as a belt pulley, toothed wheel or sprocket, is fastened to each axle 28.
  • a common belt or a common chain 34 is guided, which is driven by a further electric motor 36 which is fixed outside of the trough 12 to the cross member 22.
  • the belt or chain 34 is as in FIG. 1 shown in zig-zag on the drive wheels 32, so that the turning screws 30 of the thus formed agitator 38 alternately rotate in opposite directions (see. FIGS. 1 and 3 ).
  • FIGS. 2 to 4 In the FIGS. 2 to 4 is shown that lying in a common plane over the flat bed 20 Wendeschnecken 30 are formed as a catchy, disk-shaped screw helix, which are arranged horizontally and overlap each other. As a result, a thorough mixing of the material to be dried over the entire width of the flat bed 20 is ensured because the good is not, as in the case of blades or paddles according to the prior art, detected only in narrow strips, but lifted by each turning screw 38 and partly passed to the adjacent turning disc.
  • the row of turning screws 30 is associated with a common lifting member 46, which consists of a vertical rack 48 and a pinion 50 driving the same, which is driven by a motor 52.
  • the arranged on both sides pinions 50 are coupled together by a connecting shaft 68.
  • the suction device 42 which is optionally accommodated between the plow blade 40 and the agitator 38 with the turning screws 30 in the housing 66, consists of a suction blower 56 mounted on the housing 66 and driven by a motor 70, via which, like the sketch of FIG FIG. 16 FIG. 2 shows that dust 58 produced during drying and mixing is sucked into a dust cyclone 60.
  • This has a number of bag filters 62, in which coarse material such as shell parts are retained, while the purified exhaust air in the direction of arrow A of the FIG. 16 is discharged to the outside. Below the row of bag filters 62 is a discharge screw 64, which discharges the coarse material into a collection container, not shown.
  • FIG. 7 shows a view of the closed Schubwendetrockners 10, in which the transverse wall 16 consists of two inspection covers.
  • FIGS. 14 and 15 schematically show, in this variant of the invention, the possibility of first extending the agitator 30 with the turning screws 30 from the housing 66 down into the trough 12 in order to bring about a thorough mixing and drying of the material by passing once or more times.
  • the agitator 38 is moved back vertically into the housing 66, while the dozer blade 40 is extended downward, so that it expels the dried material in the subsequent advancing movement of the housing 66.
  • FIGS. 5 to 16 illustrated variant of the invention also has the advantage that the housing 66 can be moved with retracted units (agitator 38 and plow blade 40) on rails not shown to a subsequent Schubwendetrockner 10.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Description

Die Erfindung betrifft einen Schubwendetrockner mit einem beheizbaren Flachbett für die Aufnahme von zu trocknendem, insbesondere körnigem Gut und mit einem über dem Flachbett verfahrbaren Rührwerk, nach dem Oberbegriff des Anspruchs 1.The invention relates to a Schubwendetrockner with a heated flat bed for receiving to be dried, in particular granular Good and with a movable over the flat bed agitator, according to the preamble of claim 1.

Aus GB-A 2 426 911 , dass den nächstliegenden Stand der Technik darstellt, ist eine Vorrichtung zum Aufbereiten von körnigem Gut in einem Trockenbehälter bekannt, auf dessen Seitenwand wenigstens ein drehbar angetriebener Hohlzylinder angeordnet ist, der in das Trockengut eintaucht. Auf dem Zylinder ist ein Gebläse angebracht, das Luft von oben nach unten zuführt, die über Öffnungen im unteren Drittel des Hohlzylinders in das Gut ausströmt. Die Außenwand des Hohlzylinders trägt zick-zack-förmige Mischerwendel.Out GB-A 2 426 911 that represents the closest prior art, a device for processing granular material in a drying container is known, on the side wall at least one rotatably driven hollow cylinder is arranged, which dips into the dry material. On the cylinder, a fan is attached, the air from top to bottom feeds, which flows through openings in the lower third of the hollow cylinder in the estate. The outer wall of the hollow cylinder carries zigzag-shaped mixer spiral.

Eine ähnliche Trocknungsvorrichtung ist aus dem deutschen Gebrauchsmuster 1 993 481 bekannt und dient insbesondere zum Trocknen von Getreide oder anderen Körnerfrüchten. Diese werden auf dem Siebboden eines Flachbettes von unten her beheizt und durch das Rührwerk, das in Längsrichtung des Flachbettes bewegt wird, kontinuierlich durchmischt. Das hierfür vorgesehene Rührwerk besteht aus einer Reihe von Schaufeln oder Paddeln, die auf einem gemeinsamen Rohr mit horizontaler Drehachse befestigt sind. In dem Rohr ist eine koaxiale Welle gelagert, die an einem Ende ein Zahnrad trägt, das mit einer Zahnstange kämmt, wodurch die in dieser Weise ausgebildete Traverse mittels eines Motors über dem Flachbett verfahren werden kann. Diese Intensität der Durchmischung ist bei dieser Konstruktion davon abhängig, dass möglichst viele Schaufeln oder Paddel dicht nebeneinander auf dem Rohr angebracht sind, da die Schaufeln stets nur denselben, schmalen Bereich des davor liegenden Gutes erfassen, ohne dass eine Durchmischung mit benachbarten Streifen des körnigen Gutes erfolgt.A similar drying device is known from German Utility Model 1 993 481 and is used in particular for drying cereals or other grain crops. These are heated on the sieve bottom of a flat bed from below and continuously mixed by the agitator, which is moved in the longitudinal direction of the flat bed. The purpose of this agitator consists of a series of blades or paddles, which are mounted on a common tube with a horizontal axis of rotation. In the tube, a coaxial shaft is mounted, which carries at one end a toothed wheel, which meshes with a rack, whereby the Traverse formed in this way can be moved by means of a motor above the flat bed. This intensity of mixing is dependent in this construction that as many blades or paddles are mounted close to each other on the pipe, as the blades always cover only the same narrow area of the material in front, without mixing with adjacent strips of the granular material he follows.

US-A 3 592 447 betrifft ein Getreidesilo mit einem hohen Zylinderbehälter, in dem eine zentrale Säule ein höhenverstellbares Joch trägt, an dem ein Rohr befestigt ist, das sich über den gesamten Durchmesser des Zylinderbehälters erstreckt. Auf einer Hälfte des Rohres stehen Rührwendel nach unten ab, die allerdings nur in die oberste Schicht des Gutes und nicht bis zum Behälterboden eintauchen, in dem eine Austragsöffnung mit einer Förderschnecke vorgesehen ist. An der anderen Hälfte des Rohres sind eine Rührschnecke, eine Endloskette mit Mitnehmerpaddeln sowie eine manuell schwenkverstellbare Kratzschaufel angebracht. US Pat. No. 3,592,447 relates to a grain silo with a high cylinder container, in which a central column carries a height-adjustable yoke, to which a pipe is fixed, which extends over the entire diameter of the cylinder container. On one half of the pipe Rührwendel are down from, but only in the top layer of the goods and not dive to the container bottom in which a discharge opening is provided with a screw conveyor. On the other half of the tube, a stirring screw, an endless chain with driving paddles and a manually adjustable scraper blade are attached.

Der Erfindung liegt die Aufgabe zugrunde, einen Schubwendetrockner der eingangs umrissenen Bauart so auszubilden, dass auch bei einer geringen Anzahl nebeneinander angeordneter Schaufeln eine intensive und schonende Durchmischung und Trocknung des Gutes sowie eine Planierung und abschließende Entleerung über die gesamte Breite des Flachbettes gewährleistet werden können.The invention has for its object to design a Schubwendetrockner the outlined type so that even with a small number of juxtaposed blades intensive and gentle mixing and drying of the goods and a planing and final emptying can be guaranteed over the entire width of the flat bed.

Zur Lösung dieser Aufgabe ist erfindungsgemäß vorgesehen, dass die Traverse des Rührwerks mit einem Huborgan verbunden ist, so dass die Wendeschnecken zwischen einer angehobenen Ruhestellung und einer abgesenkten Arbeitsstellung vertikal verfahren werden können. Damit kann das Rührwerk ausgehoben werden, wenn es nicht benötigt wird, so dass es nicht mit dem empfindlichen Gut in Berührung kommt. Ferner ist der Traverse parallel zu der Reihe der Wendeschnecken ein Räumschild zugeordnet, das ebenfalls mit einem Hubantrieb verbunden ist. Die Traverse und das Räumschild, die beide vertikal verfahrbar sind, können in einem Gehäuse untergebracht sein, das auf dem Trog horizontal verfahrbar ist.To achieve this object, the invention provides that the traverse of the agitator is connected to a lifting member, so that the turning screws between a raised rest position and a lowered working position can be moved vertically. Thus, the agitator can be dug when it is not needed, so that it does not come into contact with the sensitive good. Furthermore, the traverse is assigned in parallel with the row of turning screws a plow blade, which is also connected to a lifting drive. The traverse and the dozer blade, both of which can be moved vertically, can be accommodated in a housing which can be moved horizontally on the trough.

Dabei ist es von Vorteil, wenn die Achsen der Wendeschnecken in einer gemeinsamen Ebene liegen und die jeweils benachbarten Achsen von einem gemeinsamen, an der Traverse befestigten Motor gegenläufig angetrieben werden.It is advantageous if the axes of the turning screws lie in a common plane and the respective adjacent axes are driven in opposite directions by a common, fixed to the crosshead motor.

Zusätzlich zu den Wendeschnecken und dem Räumschild kann in dem Gehäuse ein an ein Absauggebläse angeschlossener Staubzyklon vorgesehen sein, der eine Reihe von Schlauchfiltern hat, die parallel zu der Reihe der Wendeschnecken angeordnet sind.In addition to the turning augers and the dozer blade, a dust cyclone connected to an exhaust fan may be provided in the housing, having a series of bag filters arranged in parallel with the row of turning augers.

Unterhalb der Schlauchfilter kann eine Austragschnecke vorgesehen werden, die sich in dem Gehäuse quer zur Verfahrrichtung erstreckt.Below the bag filter, a discharge screw can be provided, which extends in the housing transversely to the direction of travel.

Eine effektive Erfassung und Durchmischung des Gutes wird dann erreicht, wenn nach einem weiteren Merkmal der Erfindung die nebeneinander angeordneten Wendeschnecken als scheibenförmige, eingängige Schneckenwendel ausgebildet sind, die waagrecht angeordnet sind und sich gegenseitig teilweise überlappen.An effective detection and mixing of the material is achieved when, according to a further feature of the invention, the juxtaposed Wendeschnecken are formed as a disk-shaped, catchy screw helix, which are arranged horizontally and partially overlap each other.

Mit der Erfindung steht ein Schubwendetrockner zur Verfügung, der die gestellte Aufgabe in optimaler Weise löst und darüber hinaus den Vorteil hat, dass er im Gegensatz zu dem eingangs erläuterten Schubwendetrockner des Standes der Technik eine schonende Durchmischung und Trocknung des Gutes erlaubt, was insbesondere bei Körnern und Samen, z. B. Kürbiskernen wesentlich ist, deren Schale in nassem Zustand sehr empfindlich ist und leicht verletzt werden kann.With the invention, a Schubwendetrockner is available, which solves the task in an optimal manner and moreover has the advantage that, in contrast to the above-mentioned Schubwendetrockner the prior art, a gentle mixing and drying of the goods allowed, which is especially in grains and seeds, e.g. As pumpkin seeds is essential, the shell is very sensitive in the wet state and can be easily injured.

Die Erfindung ist nachstehend an zwei Ausführungsbeispielen erläutert, die in der Zeichnung dargestellt sind. Es zeigen:

  • Figur 1 die Draufsicht auf einen Schubwendetrockner gemäß der Erfindung,
  • Figur 2 eine Querschnittsdarstellung des Schubwendetrockners der Figur 1,
  • Figur 3 eine schematische Draufsicht auf das Rührwerk des Schubwendetrockners,
  • Figur 4 eine perspektivische Darstellung einer der scheibenförmigen Wendeschnecken,
  • Figur 5 eine Draufsicht auf eine weiterentwickelte Variante,
  • Figur 6 die Ansicht der Variante der Figur 5, bei der die Wendeschnecken nach unten ausgefahren sind und in der nach oben eingefahrenen Stellung angedeutet sind,
  • Figur 7 die Ansicht des geschlossenen Trockners der Figuren 5 und 6,
  • Figur 8 die Ansicht der Reihe der Schnecken in der Traverse der Figuren 5 und 6,
  • Figur 9 die Seitenansicht der Traverse der Figur 8,
  • Figur 10 die Ansicht des in dem Gehäuse angeordneten Räumschildes,
  • Figur 11 die Seitenansicht des Räumschildes der Figur 10,
  • Figur 12 die schematische Seitenansicht des Gehäuses mit Wendeschnecken, Räumschild und einem Schlauchfilter,
  • Figur 13 das Gehäuse der Figur 12 ohne Schlauchfilter und Austragsschnecke,
  • Figur 14 eine der Figur 13 entsprechende Darstellung mit ausgefahrenen Wendeschnecken,
  • Figur 15 eine der Figur 14 entsprechende Darstellung mit eingefahrenen Wendeschnecken und ausgefahrenem Räumschild und
  • Figur 16 die schematische Darstellung einer Absaugeinheit zwischen der Reihe der Wendeschnecken und dem Räumschild.
The invention is explained below with reference to two embodiments, which are illustrated in the drawing. Show it:
  • FIG. 1 the top view of a drained rotary dryer according to the invention,
  • FIG. 2 a cross-sectional view of the Schubwendetrockners the FIG. 1 .
  • FIG. 3 a schematic plan view of the agitator of the push tumble dryer,
  • FIG. 4 a perspective view of one of the disk-shaped turning screws,
  • FIG. 5 a top view of a further developed variant,
  • FIG. 6 the view of the variant of FIG. 5 in which the turning screws are extended downwards and are indicated in the upwardly retracted position,
  • FIG. 7 the view of the closed dryer the Figures 5 and 6 .
  • FIG. 8 the view of the row of snails in the traverse of the Figures 5 and 6 .
  • FIG. 9 the side view of the traverse the FIG. 8 .
  • FIG. 10 the view of the blade arranged in the housing,
  • FIG. 11 the side view of the dozer blade of FIG. 10 .
  • FIG. 12 the schematic side view of the housing with Wendeschnecken, plow blade and a bag filter,
  • FIG. 13 the case of the FIG. 12 without bag filter and discharge screw,
  • FIG. 14 one of the FIG. 13 corresponding representation with extended turning screws,
  • FIG. 15 one of the FIG. 14 corresponding representation with retracted helical augers and extended dozer blade and
  • FIG. 16 the schematic representation of a suction unit between the row of Wendeschnecken and the plow blade.

Der in den Figuren 1 und 2 dargestellte Schubwendetrockner 10 gemäß der Erfindung besteht in bekannter Weise aus einem rechteckigem Trog 12 mit zwei zueinander parallelen Seitenwänden 14, der an den beiden Enden durch je eine Querwand 16 abgeschlossen ist. Innerhalb des Troges 12 ist eine Trockenkammer 18 ausgebildet, die von einem nicht dargestellten Gebläse mit Heißluft versorgt wird und nach oben durch ein als Lochboden ausgebildetes Flachbett 20 abgeschlossen ist.The in the FIGS. 1 and 2 shown Schubwendetrockner 10 according to the invention consists in a known manner from a rectangular trough 12 with two mutually parallel side walls 14, which is completed at the two ends by a respective transverse wall 16. Within the trough 12, a drying chamber 18 is formed, which is supplied by a fan, not shown, with hot air and is closed at the top by a formed as a perforated bottom flatbed 20.

Auf der Oberkante der beiden Seitenwände 14 stützt sich eine Traverse 22 ab, die als kastenförmiger Balken ausgebildet ist. Die Traverse 22 ist in bekannter Weise mittels eines Elektromotors 24 über ein Zahnrad - Zahnstangengetriebe 26 auf den beiden Seitenwänden 14 in Längsrichtung des Troges 12 verfahrbar (vgl. Längspfeile in Figur 3).On the upper edge of the two side walls 14, a traverse 22 is supported, which is designed as a box-shaped beam. The traverse 22 is in the known manner by means of an electric motor 24 via a gear - rack gear 26 on the two side walls 14 in the longitudinal direction of the trough 12 movable (see. Long arrows in FIG. 3 ).

In der Traverse 22 ist in einer Ebene eine Reihe nebeneinander angeordneter, vertikaler Achsen 28 drehbar gelagert, wobei jede Achse 28 an ihrem unteren Ende eine Wendeschnecke 30 trägt. An ihrem über die Traverse 22 hinausragenden Ende ist an jeder Achse 28 ein Antriebsrad 32 befestigt, das als Riemenscheibe, Zahnrad oder Kettenrad ausgebildet ist. Über die Antriebsräder 32 ist ein gemeinsamer Riemen oder eine gemeinsame Kette 34 geführt, die von einem weiteren Elektromotor 36 angetrieben wird, der außerhalb des Troges 12 an der Traverse 22 befestigt ist. Der Riemen oder die Kette 34 ist, wie in Figur 1 dargestellt, im Zick-Zack über die Antriebsräder 32 geführt, so dass die Wendeschnecken 30 des derart ausgebildeten Rührwerks 38 abwechselnd gegenläufig rotieren (vgl. Figuren 1 und 3).In the traverse 22 a number of juxtaposed, vertical axes 28 is rotatably mounted in a plane, each axis 28 carries at its lower end a turning screw 30. At its end projecting beyond the traverse 22, a drive wheel 32, which is designed as a belt pulley, toothed wheel or sprocket, is fastened to each axle 28. About the drive wheels 32, a common belt or a common chain 34 is guided, which is driven by a further electric motor 36 which is fixed outside of the trough 12 to the cross member 22. The belt or chain 34 is as in FIG. 1 shown in zig-zag on the drive wheels 32, so that the turning screws 30 of the thus formed agitator 38 alternately rotate in opposite directions (see. FIGS. 1 and 3 ).

In den Figuren 2 bis 4 ist dargestellt, dass die in einer gemeinsamen Ebene über dem Flachbett 20 liegenden Wendeschnecken 30 als eingängige, scheibenförmige Schneckenwendel ausgebildet sind, die waagrecht angeordnet sind und sich gegenseitig überlappen. Dadurch wird eine lückenlose Durchmischung des zu trocknenden Gutes über die gesamte Breite des Flachbettes 20 gewährleistet, weil das Gut nicht, wie im Fall von Schaufeln oder Paddeln nach dem Stand der Technik, nur in schmalen Streifen erfasst wird, sondern von jeder Wendeschnecke 38 angehoben und zum Teil auf die benachbarte Wendescheibe übergeben wird.In the FIGS. 2 to 4 is shown that lying in a common plane over the flat bed 20 Wendeschnecken 30 are formed as a catchy, disk-shaped screw helix, which are arranged horizontally and overlap each other. As a result, a thorough mixing of the material to be dried over the entire width of the flat bed 20 is ensured because the good is not, as in the case of blades or paddles according to the prior art, detected only in narrow strips, but lifted by each turning screw 38 and partly passed to the adjacent turning disc.

Die Weiterentwicklung der Figuren 5 bis 16 zeigen ein Gehäuse 66, das sich quer über den Trog 12 erstreckt und - wie die Traverse 22 der Figuren 1 und 2 - mit Hilfe eines Elektromotors 24 und zwei seitlichen Zahnrädern 44 auf den Zahnstangen 26 des Troges 12 verfahren werden kann (vgl. Figuren 12 bis 15). Das Gehäuse 22 nimmt zusätzlich zu der Reihe der Wendeschnecken 30 des Rührwerks 38 ein Räumschild 40 (vgl. Figuren 10 und 11) sowie optional eine Absaugeinrichtung 42 (vgl. Figur 12) auf.The advancement of the FIGS. 5 to 16 show a housing 66 which extends transversely across the trough 12 and - like the traverse 22 of FIGS. 1 and 2 - Can be moved by means of an electric motor 24 and two lateral gears 44 on the racks 26 of the trough 12 (see. FIGS. 12 to 15 ). The housing 22 takes in addition to the series of turning screws 30 of the agitator 38 a plow blade 40 (see. FIGS. 10 and 11 ) and optionally a suction device 42 (see. FIG. 12 ) on.

In weiteren Ausgestaltung dieser Variante ist der Reihe der Wendeschnecken 30 ein gemeinsames Huborgan 46 zugeordnet, das aus einer vertikalen Zahnstange 48 und einem diese antreibenden Ritzel 50 besteht, das von einem Motor 52 angetrieben wird. Die auf beiden Seiten angeordneten Ritzel 50 sind durch eine Verbindungswelle 68 miteinander gekoppelt.In a further embodiment of this variant, the row of turning screws 30 is associated with a common lifting member 46, which consists of a vertical rack 48 and a pinion 50 driving the same, which is driven by a motor 52. The arranged on both sides pinions 50 are coupled together by a connecting shaft 68.

In gleicher Weise hat auch das Räumschild 40 einen Hubantrieb 54 mit einem Motor 52', der über eine Verbindungswelle 68' auf beiden Seiten je ein Ritzel 50' in Drehung versetzt, welches mit einer vertikalen Zahnstange 48' in Eingriff ist. Damit besteht die Möglichkeit mittels des Räumschildes 40 in gewünschter Höhe eine Planierung des Gutes durchzuführen und nach dem Trocknen das Gut ganz oder chargenweise äußerst schonend auszuschieben.In the same way, the plow blade 40 has a lifting drive 54 with a motor 52 ', which via a connecting shaft 68' on each side of a pinion 50 'in rotation, which is with a vertical rack 48' in engagement. This makes it possible to carry out a planing of the goods by means of the rake blade 40 in the desired height and push out the goods after drying completely or in batches extremely gently.

Die zwischen dem Räumschild 40 und dem Rührwerk 38 mit den Wendeschnecken 30 in dem Gehäuse 66 optional untergebrachte Absaugeinrichtung 42 besteht aus einem auf dem Gehäuse 66 angebrachten Absauggebläse 56, das von einem Motor 70 angetrieben wird und über das, wie die Skizze der Figur 16 zeigt, der während des Trocknens und Mischens entstehende Staub 58 in einen Staubzyklon 60 abgesaugt wird. Dieser hat eine Reihe von Schlauchfiltern 62, in denen Grobstoffe wie beispielsweise Schalenteile zurückgehalten werden, während die gereinigte Abluft in Richtung des Pfeiles A der Figur 16 nach außen abgegeben wird. Unter der Reihe der Schlauchfilter 62 befindet sich eine Austragsschnecke 64, welche die Grobstoffe in einen nicht dargestellten Sammelbehälter abführt.The suction device 42, which is optionally accommodated between the plow blade 40 and the agitator 38 with the turning screws 30 in the housing 66, consists of a suction blower 56 mounted on the housing 66 and driven by a motor 70, via which, like the sketch of FIG FIG. 16 FIG. 2 shows that dust 58 produced during drying and mixing is sucked into a dust cyclone 60. This has a number of bag filters 62, in which coarse material such as shell parts are retained, while the purified exhaust air in the direction of arrow A of the FIG. 16 is discharged to the outside. Below the row of bag filters 62 is a discharge screw 64, which discharges the coarse material into a collection container, not shown.

Figur 7 zeigt eine Ansicht des geschlossenen Schubwendetrockners 10, bei dem die Querwand 16 aus zwei Revisionsdeckeln besteht. FIG. 7 shows a view of the closed Schubwendetrockners 10, in which the transverse wall 16 consists of two inspection covers.

Wie die Figuren 14 und 15 schematisch zeigen, besteht bei dieser Variante der Erfindung die Möglichkeit, zunächst das Rührwerk 30 mit den Wendeschnecken 30 aus dem Gehäuse 66 nach unten in den Trog 12 hinein auszufahren, um durch einmaliges oder mehrmaliges Überfahren eine gute Durchmischung und Trocknung des Gutes herbeizuführen. Am Ende dieses Vorganges wird das Rührwerk 38 vertikal in das Gehäuse 66 zurückgefahren, während das Räumschild 40 nach unten ausgefahren wird, so dass es bei der anschließenden Vorschubbewegung des Gehäuses 66 das getrocknete Gut ausschiebt. Dies kann chargenweise geschehen, indem das Räumschild 40 das Gut zunächst im vorderen Bereich des Troges 12 und danach in anschließenden Bereichen ausschiebt.As the FIGS. 14 and 15 schematically show, in this variant of the invention, the possibility of first extending the agitator 30 with the turning screws 30 from the housing 66 down into the trough 12 in order to bring about a thorough mixing and drying of the material by passing once or more times. At the end of this process, the agitator 38 is moved back vertically into the housing 66, while the dozer blade 40 is extended downward, so that it expels the dried material in the subsequent advancing movement of the housing 66. This can be done in batches by the plow blade 40 first pushes the material in the front region of the trough 12 and then in subsequent areas.

Nicht dargestellt ist die Möglichkeit, den Trog 12 über seine Länge durch eine oder mehr Trennwände zu unterteilen und sowohl das Rührwerk 38 mit den Wendeschnecken 30 als auch das Räumschild 40 und die Absaugeinrichtung 42 nur auf einem Teil des Troges 12 einzusetzen. Auf diese Weise kann der Schubwendetrockner 10 bei Bedarf auch kleinere Mengen bearbeiten.Not shown is the possibility to divide the trough 12 over its length by one or more partitions and to use both the agitator 38 with the turning screws 30 and the dozer blade 40 and the suction device 42 only on a part of the trough 12. In this way, the Schubwendetrockner 10 can process smaller quantities if necessary.

Die in den Figuren 5 bis 16 dargestellte Variante der Erfindung hat ferner den Vorteil, dass das Gehäuse 66 bei eingefahrenen Aggregaten (Rührwerk 38 und Räumschild 40) über nicht weiter dargestellte Schienen zu einem anschließenden Schubwendetrockner 10 verfahren werden kann.The in the FIGS. 5 to 16 illustrated variant of the invention also has the advantage that the housing 66 can be moved with retracted units (agitator 38 and plow blade 40) on rails not shown to a subsequent Schubwendetrockner 10.

Claims (8)

  1. A push and turn dryer comprising a heatable flatbed (20) embodied as sieve bottom for accommodating material to be dried, in particular granular material, and comprising an agitator (38), which can be traversed across the flatbed (20), comprising a traverse (22), which is arranged at right angles to the traversing direction of the agitator (38) and on which a row of rotatably driven blades is supported, which are embodied as turning worms (30), which are arranged above the flatbed (20) and each of which is rotatably supported on the traverse (22) via its own, vertical axis (28), wherein the axes (28) of the turning worms (30) are located in a common plane, characterized in that the traverse (22) of the agitator (38) is connected to a lifting member (46) for vertically extending the turning worms (30) into a lowered operating position and for vertically retracting into a raised rest position, and that a rake blade (40), which is connected to a lift drive (54) for extending into a lowered operating position and for retracting into a raised rest position, is assigned to the traverse (22), parallel to the row of the turning worms (30).
  2. The push and turn dryer according to claim 1, characterized in that the respective adjacent axes (28) of the turning worms (30) are driven in the opposite direction by a common motor (36), which is fastened to the traverse (22).
  3. The push and turn dryer according to claim 2, characterized in that a drive wheel (32), which is set into rotation by means of a common belt or chain drive (34) of the motor (36), is fastened to each axis (28).
  4. The push and turn dryer according to one of the preceding claims, characterized in that the traverse (20) and the rake blade (40) are accommodated in a housing (66), which can be traversed above the trough (12).
  5. The push and pull dryer according to claim 4, characterized in that a dust cyclone (60), which is connected to an exhaust blower (56) and which comprises bag filters (62), which are arranged in parallel to the row of the turning worms (30), is arranged in the housing (66).
  6. The push and pull dryer according to claim 5, characterized in that a discharge worm (64), which extends at right angles to the traversing direction in the housing (66), is arranged underneath the bag filters (62).
  7. The push and pull dryer according to claim 5 or 6, characterized in that the bag filters (62) are arranged between the row of the turning worms (30) and the rake blade (40).
  8. The push and pull dryer according to one of claims 1 to 3, characterized in that the turning worms (30), which are arranged next to one another, are embodied as disk-shaped, single-start coils, which are arranged horizontally and which overlap one another.
EP11169990.6A 2010-06-15 2011-06-15 Push and turn dryer Active EP2397804B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL11169990T PL2397804T3 (en) 2010-06-15 2011-06-15 Push and turn dryer
SI201131311T SI2397804T1 (en) 2010-06-15 2011-06-15 Push and turn dryer
HRP20171561TT HRP20171561T1 (en) 2010-06-15 2017-10-16 Push and turn dryer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010005637U DE202010005637U1 (en) 2010-06-15 2010-06-15 Feed and Turn Dryer

Publications (3)

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EP2397804A2 EP2397804A2 (en) 2011-12-21
EP2397804A3 EP2397804A3 (en) 2014-04-09
EP2397804B1 true EP2397804B1 (en) 2017-07-26

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EP11169990.6A Active EP2397804B1 (en) 2010-06-15 2011-06-15 Push and turn dryer

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EP (1) EP2397804B1 (en)
DE (2) DE202010005637U1 (en)
HR (1) HRP20171561T1 (en)
HU (1) HUE034750T2 (en)
PL (1) PL2397804T3 (en)
SI (1) SI2397804T1 (en)

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Publication number Priority date Publication date Assignee Title
CN108651614A (en) * 2018-03-08 2018-10-16 潘立敏 A kind of agricultural with cereal teds equipment automatically
CN111964404B (en) * 2020-08-10 2021-11-23 山东道图信息技术有限公司 A airing device for outdoor sunning of earthworm dry processing
CN112013657A (en) * 2020-08-11 2020-12-01 羊彬 Household food processing device
CN112586546A (en) * 2020-12-17 2021-04-02 江西南安板鸭有限公司 Oil purifying equipment for sauced pressed salted duck
CN112984982B (en) * 2021-04-15 2023-09-15 南京沃谱瑞环境研究院有限公司 Pharmacy department medicinal material drying equipment
CN116123843A (en) * 2022-12-20 2023-05-16 安徽省碧绿春生物科技有限公司 Sunning equipment for feed processing

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE1993481U (en) 1968-04-08 1968-09-05 Stefan Laxhuber DRYING DEVICE FOR GRAIN OR SIMILAR CORN FRUIT.
US3592447A (en) * 1969-09-12 1971-07-13 Sylvester L Steffen Apparatus for handling and conditioning grain
US4836686A (en) * 1988-06-10 1989-06-06 Sukup Eugene G Apparatus for stirring grain in rectangular bin regions
NO892576L (en) * 1988-06-23 1989-12-27 Rangemore Systems Ltd TOERKEINNRETNING.
CA2070050A1 (en) * 1992-04-17 1993-10-18 John M. Hamilton, Jr. Process and apparatus for the batch composting of waste material
GB2426911A (en) * 2005-06-08 2006-12-13 Anthony Gent Apparatus for and method of conditioning particulate substances

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Publication number Publication date
HRP20171561T1 (en) 2017-12-01
PL2397804T3 (en) 2018-04-30
DE202011108464U1 (en) 2011-12-05
DE202010005637U1 (en) 2010-09-02
EP2397804A3 (en) 2014-04-09
SI2397804T1 (en) 2017-11-30
EP2397804A2 (en) 2011-12-21
HUE034750T2 (en) 2018-02-28

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