EP2619515B1 - Vorrichtung zur verarbeitung von biomüll - Google Patents

Vorrichtung zur verarbeitung von biomüll Download PDF

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Publication number
EP2619515B1
EP2619515B1 EP11745748.1A EP11745748A EP2619515B1 EP 2619515 B1 EP2619515 B1 EP 2619515B1 EP 11745748 A EP11745748 A EP 11745748A EP 2619515 B1 EP2619515 B1 EP 2619515B1
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EP
European Patent Office
Prior art keywords
basket
chamber
shaped body
helical screw
waste
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EP11745748.1A
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English (en)
French (fr)
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EP2619515A1 (de
Inventor
Paolo Bertona
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SAL Srl
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SAL Srl
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    • 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
    • F26B9/003—Small self-contained devices, e.g. portable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane

Definitions

  • the present invention refers to a processing apparatus for the disposal of organic waste, in particular for domestic use.
  • a significant proportion of domestic urban waste consists of so-called "wet” waste, i.e. non-dry organic matter.
  • this waste is separated at user level, in containers or biodegradable bags, and then collected and disposed of by the municipal street cleaning and refuse disposal services in suitable conversion areas, where the waste decomposes into compost or other recyclable organic material.
  • These apparatuses typically have the purpose of drying the organic material as much as possible, so as to reduce its volume and remove the bacterial flora which is the source of odors. They comprise a loading compartment, where the organic material is poured, provided with mixing means, for example in the shape of a rotating arm. The compartment is heated in order to cause the drying of the organic material. The heated air, rich in humidity, is caused to condense so as to extract and then dispose of the liquid component.
  • these apparatuses should solve the problem of wet waste collection, since they greatly reduce the volume of waste, producing as a result a relatively small amount of compost, which can be used again for the growing of plants, or to be disposed of with dry waste.
  • Prior-art apparatuses are subject to some drawbacks. Firstly, they are conceived with a complex and bulky construction, especially in a vertical direction; as a matter of fact, they normally provide a waste collection compartment, below which a series of parts for controlling, channelling and unloading waste are arranged, which remarkably increase the vertical bulk thereof.
  • the compartment below a sink is not easily accessible, especially if electric switches must be activated; moreover, localized heating, within a compartment which normally provides no ventilation, is a source of worry; again, the need to call a plumber or other expert for the correct connection of the apparatus to the sewage drain discourages from installing the apparatus; finally, the exhalation of odors from the condensation drain or from the loading door leads to quickly abandoning this disposal practice.
  • the object of the present invention is hence to provide an apparatus for the treatment of organic waste which overcomes the drawbacks just cited.
  • it is meant to provide a sufficiently economical and compact apparatus, suitable for processing effectively at least 2-3 Kg of organic waste without producing any odor and ready to use, i.e. which requires no specific connection or installation.
  • it is wished to provide such an apparatus which is sturdy and durable, also in consideration of possible tenacious organic waste , and which achieves a perfect dehydration without having to use complex control and adjustment systems.
  • an apparatus for the treatment of wet organic waste comprising a heated treatment chamber wherein a stirrer and an outflow circuit of vapor-rich air are housed, intended to carry on a drying treatment on said waste, said treatment chamber consisting of a heated, basket-shaped body with an upper mouth sealed in an airtight manner by a relative lid, and said outflow circuit is also arranged in an airtight manner and puts in communication said heated basket (4) with a condensation unit (5) in turn in airtight communication with a removable drawer (6b) for condensate collection, wherein the apparatus houses a double mixing system comprising a mixing arm, rotatably mounted on a main rotation axis within said heated basket-shaped body, and a helical screw housed in an auxiliary chamber in communication with and arranged on the side of said basket-shaped body, said helical screw having a second rotating axis not parallel to said main axis and said helical screw being apt to sweep at least an
  • a gearmotor assembly is arranged, apt to drive into rotation at least one first shaft of said mixing arm.
  • the auxiliary chamber ends above with an ejection opening communicating with a flanged mouth facing downwards and communicating in an airtight manner with a removable drawer for the collection of dry residues.
  • the helical screw is integral in rotation with a displacement tooth arranged in the proximity and downstream of said ejection opening to push dry residues towards said flanged mouth.
  • the auxiliary chamber communicates with the inside of said basket-shaped body through an opening flush with the bottom surface of said basket-shaped body.
  • the gearmotor assembly drives into rotation also a second shaft integral in rotation with a drive shaft of said helical screw.
  • the helical screw has a longitudinal rotation axis preferably inclined with respect to said main rotation axis of an angle ranging between 15° and 80°°, preferably lesser than 30°.
  • the condensation unit is arranged on a rear side of said basket-shaped body, opposite to said auxiliary chamber, and is connected through an inlet hose to the inner compartment of said basket-shaped body.
  • the condensation unit is connected to the inner compartment of said basket-shaped body also through a vent hose which diverges towards a condensation chamber of said unit.
  • the condensation unit comprises a condensation chamber provided with a cold wall in contact with a flap dissipator (55) and Peltier cells (57) are installed on said cold wall.
  • the heated, basket-shaped body consists of a lower, vase-shaped portion and of an upper lid-shaped portion, mutually joined in an airtight manner, the upper lid portion comprising a loading opening consisting of a relief ribbing ending with a perimeter gasket.
  • the lower vase-shaped portion is made of metal material and said upper lid portion is made of a plastic material.
  • a method of drying waste material in an apparatus as claimed in any one of the previous claims wherein the current temperature within said processing chamber is detected and compared against an upper threshold temperature just above 100°C, upon the current temperature rising over said upper threshold temperature, a heating device of the apparatus is turned off, the time delay (duty cycle) for the system to naturally drop from the upper threshold to a predetermined lower threshold is counted, upon the current temperature reaching the lower threshold the heating device is turned on again, the above cycle being continued until said time delay (duty cycle) has a duration longer than a predetermined time threshold (Emax).
  • Fig. 1 shows an overall view of the fundamental components assembled in the apparatus according to the invention.
  • An outer bodywork casing consists of two parts, a lower one 1a and an upper one 1b which hold within the operative components of the apparatus.
  • Lower bodywork component 1a acts as basement of the apparatus and has, for such purpose, a plurality of resting feet 1a'.
  • a box 2 housing electronic circuit boards, a gearmotor assembly 3, a treatment chamber (mixing and toasting) 4 and a condensation unit 5.
  • a plurality of electric connections (not shown) apt to mutually connect the various components is further provided, with also a small base 2a for taking and distributing the electric supply from a network cable.
  • the base portion 1a of the bodywork on the front, there are furthermore provided two openings for the introduction of removable drawers 6a and 6b, for dry waste and for the collection of condensate, respectively.
  • the two drawers can slide horizontally (with respect to the attitude of the apparatus during use) and can hence be introduced into basement 1a and be fully extracted.
  • the drawer for the collection of condensate 6b is put in airtight communication, for example through a pipe (not shown), with condensation unit 5.
  • the dry waste drawer 6a has an upwardfacing inlet, meant to abut in an airtight manner with a lower outlet of the hopper system of chamber 4.
  • the two drawers are not required to have the same size.
  • the drawer 6b for the water-based condensate has a greater volume than the dry matter drawer 6a.
  • condensate drawer 6b houses inside a float system, suited to provide an overflow signal to the apparatus control system.
  • the signal generated by the rise of the float prevents the execution of a new operation cycle of the apparatus, until the drawer is emptied.
  • the float is of a type equipped with a proximity switch: for example it is equipped with a magnet which determines the generation of an overflow signal when it is moved closer to a sensor arranged outside above the drawer. In this case it is not necessary to provide any electric contact entering the condensate drawer, because the effect of the magnetic field propagates also through the wall thickness.
  • Bodywork upper portion 1b has a loading opening 10 which is closed by a door 11.
  • opening 10 has a seal or perimeter lip suited to seal against the lower surface of door 11.
  • a second seal or sealing lip is provided, suited to rest in an airtight manner against a perimeter edge of a corresponding loading opening 41 provided in the upper part of chamber 4.
  • Fig. 2 shows in greater detail the assembly of chamber 4 for the treatment and toasting of organic waste, as well as adjacent condensation unit 5.
  • a main body 40 of the toasting chamber has a generic basket shape, open above through a loading mouth 41.
  • basket-shaped body 40 it is preferable for basket-shaped body 40 to be obtained in two pieces, mutually joined in an airtight manner: a lower, vase-shaped portion and an upper, lid-shaped portion.
  • the lower portion of basket 40 ( fig. 4 ) is advantageously made of metal material, for example of cast or pressure-injected aluminum alloy, so as to facilitate the conduction of heat from the heating system which may be located underneath;
  • the upper lid portion can instead be advantageously made of plastic material and be mounted in an airtight manner, for example arranging it in between a gasket, on the underlying metal vase by means of bolts or similar fasteners.
  • Loading mouth 41 is obtained through a projecting ribbing in the lid portion. As already mentioned, loading mouth 41 is provided, along the perimeter edge, with a sealing gasket 41a, suited to define a seal with the above-lying opening of bodywork upper portion 1b.
  • an auxiliary chamber 40a is provided, housing an auxiliary mixer; this chamber acts as discharge hopper and has a cylindrical shape having a perimeter intersecting/touching the internal boundary perimeter of basket 40, as will be detailed further on.
  • a mixing arm 42 (clearly shown in fig. 6 ) is rotatably mounted inside the main compartment of basket-shaped body 40 .
  • Arm 42 is generically U-shaped, with the two U legs 42a and 42b brushing the bottom surface of basket 40 and rising back up to different lengths along the internal lateral surfaces of the basket.
  • a first leg 42a of a longer arm 42 rises back up to a radial distance from the centre of rotation substantially equivalent to that of the inner surface of basket 40.
  • the opposite leg 42b of a shorter arm 42 rises back up at a smaller radial distance (about half of the radial distance of the longer arm), as clearly visible in fig. 6 , thus making the stirring action more effective.
  • Arm 42 is preferably made of a hard metal material, profiled so as to mix - but also to grind and crumble - the material to be processed. This allows to widen the range of organic wastes which can be processed by the apparatus, for example - in addition to pulpous and soft material - also nuts, shellfish shells, and fish bones, which are typically hard materials.
  • Arm 42 is rotatably mounted on a shaft axis 43, standing substantially vertically and coming from below-lying gearmotor assembly 3, which will be illustrated in greater detail further on. Arm 42 is intended to rotate on shaft axis 43 at modest speed, in the order of 12-15 rpm.
  • condensation unit 5 In the rear part of basket 40, condensation unit 5 is housed, which is contained in a bulk not taller than that of basket 40. Condensation unit 5 communicates with the inside of basket-shaped body 40 through two ports, a vent 44a and an inlet 44b. The two ports 44a and 44b are obtained in the upper part of basket-shaped body 40 (see figs. 2 and 3 ) and communicate with two respective elbow hoses 45a and 45b, preferably obtained integrally with the lid portion of basket 40.
  • a vent pipe 51 opens funnel-like (square section, as can be seen in fig. 2 and in the section of fig. 5 ) starting from hose 45a, so as to facilitate a first cooling due to the expansion of the air extracted from chamber 40.
  • a fan or pump 51a is installed, suited to extract humid air from the chamber inside basket 40 and to push it towards an actual condensation chamber 52.
  • Said condensation chamber of a flat shape, is in communication also with inlet hose 45b, arranged on the opposite side with respect of pipe 51, through an inlet pipe, also engaged in an airtight manner.
  • the rear side of condensation chamber 52 is sealed by a cold condensation plate 53, typically consisting of an aluminum plate.
  • a short discharge tube 54 is provided, wherefrom condensed water flows out.
  • Discharge tube 54 is put in airtight communication with the drawer of condensate 6b, as previously mentioned, for example by means of a small pipe of plastic material.
  • a flap dissipator 55 is arranged, of a type known per se, preferably forcedly cooled by a pair of small fans 56.
  • a pair of Peltier cells 57 is also arranged, suitably energized by corresponding electric connectors (not shown).
  • the gearmotor assembly below basket-shaped body 40 can be appreciated.
  • an electric motor M is integrated, which drives into rotation a series of transmission gears which, in turn, drive two drive shafts.
  • transmission drives shaft 43 for the rotation of mixing arm 42.
  • the transmission drives an auxiliary shaft 31 of an auger or helical screw 44 rotatably mounted within cylindrical auxiliary chamber 40a.
  • auxiliary shaft 31 in order to reduce bulk and achieve a better performing transmission, auxiliary shaft 31 consists of two parts, a first part 31a mounted on bearings according to an axis parallel to main shaft 43, a second part 31b, inclined according to the longitudinal axis of auxiliary chamber 40a and connected to the first part 31a through a cardan joint or other bevel gear.
  • the first part 31a and the main shaft 43 of mixing arm 42 are mutually connected in rotation, for example through a transmission belt 32 acting on two transmission wheels 33 and 34.
  • both shafts 31 and 43 are provided with a gasket at the intersection with the bottom of auxiliary chamber 40a and of basket 40, respectively. This ensures a perfect, airtight seal also in the lower part of toasting chamber 4.
  • Auxiliary chamber 40a projects along the inclined wall of basket-shaped body 40, forming a hopper-like channel wherein helical screw 44 is rotatably mounted.
  • helical screw 44 has a rotation axis inclined with respect to the main rotation axis of the arm 42 by an angle ranging between 15° and 80°, preferably in the order of 20-30°.
  • the auxiliary chamber 40a partly intersects the inner volume of basket 40, which leads the coils of helical screw 44 to sweep an area, at the bottom of the basket 40, very close (adjacent) to the area swept by arm 42.
  • the two mixing devices (arm 42 and helical screw 44) hence operate on two converging rotation axes and have mixing members (the legs and the auger) intended to cooperate closely with one another (they operate at a distance no greater than 1-2 cm, preferably up to a maximum of a few millimeters).
  • auxiliary chamber 40a is open on one side towards the inner compartment of basket 40: in particular, it has an inlet port 45 which communicates with the inner chamber of basket 40 flush with the lower area, i.e. it connects with the bottom surface of basket 40.
  • auxiliary chamber 40a is closed below and above.
  • a partition 144a defining a partial ejection opening 144b is provided.
  • Shaft 31b of helical screw 44 projects slightly above partition 144a: on the projecting end a pushing tooth 44c is keyed on, integral in rotation with shaft 31b, the usefulness of which will be illustrated in the following.
  • Partition 144a is arranged perpendicularly to the rotation axis of helical screw 44 and hence inclined with respect to the horizontal: it hence determines an inclined sliding surface, the usefulness of which will be understood in the following of the description.
  • auxiliary chamber 40a which ends slightly below the top of basket 40, is further sealed in an airtight manner by a cap 46.
  • Said cap encloses the top area, where pushing tooth 44c is housed, as well as a side portion of flanged mouth 47, projecting frontally from auxiliary chamber.
  • the cap is preferably integral with the lid portion of basket 40 and is fastened to auxiliary chamber 40a by removable fastening means, such as Allen screws 46a, so as to be able to be disassembled and allow access to the below-lying auxiliary chamber.
  • a seal below cap 47 is suitably provided so as to guarantee an airtight seal.
  • partitioning 144a is removably fastened, so that it may be disassembled to remove helical screw 44 and facilitate any maintenance work.
  • Flanged mouth 47 opens downwards (throughout the present application, the terms “down” and “up” refer to the attitude of the apparatus in its normal operation condition) and is coupled with a further collector 48 which puts in communication - always in an airtight manner - auxiliary chamber 40a with the below-lying drawer of dry residues 6a.
  • collector 48 is arranged substantially vertically above drawer 6a, the pouring off of material from the top of the auxiliary chamber to the drawer occurs by simple fall. It can be appreciated ( fig. 6 ) that the drawer of dry residue 6a is housed in the space below auxiliary chamber 40a which is inclined vertically, thus obtaining an advantageous compacting of bulks.
  • helical screw 44 is caused to rotate so as to push downwards any material it may catch as explained above: thereby a sort of recirculation of the material is obtained, which material is pushed into the auxiliary chamber by rotating arm 42 upon its passing in front of side opening 45.
  • the operation cycle of the apparatus is controlled so as to dry the waste material, removing water-based liquid towards drawer 6b, and then expelling it towards drawer 6a.
  • a bleed valve can be provided, which may be automatically actuated upon the exceeding of a preset pressure value , also equipped with anti-odor filter.
  • the amount of water contained in the waste drops and with it also the energy required for the evaporation of the same.
  • the system hence receives a surplus of thermal energy - which is delivered based on a preset nominal value - which hence translates into a progressive increase of the temperature of the basket and of the product therein contained, even beyond 100°C, up until reaching a set higher threshold temperature T1 (for example 105°C).
  • T1 for example 105°C
  • the control system of the apparatus cuts off the supply to the heating element. At this point it is measured for how long the heating element remains turned off, until a lower threshold temperature is reached T2 (for example 95°C). This natural cooling time from T1 to T2 is called duty cycle.
  • the heating device When the system temperature drops below T2, the heating device is activated again and the maximum duration and the measure of the duty cycle is memorized. In the subsequent repetitions of the event the duty cycle time is compared with the previous stored one and the longer one is stored. Continuing in the dehydration cycle, the Duty Cycle increases (the amount of water to be evaporated dropping) up until it reaches a preset Emax time, determining the end of the cycle.
  • the user opens airtight door 11 and easily introduces from above the organic waste into basket 40. Due to its specific construction, the machine is capable of accepting a wide variety of different waste, except very hard and bulky ones (for example large cattle bones). In the household version, the apparatus has a basket capable of receiving about 2-2.5 Kg of residue.
  • a management programme Upon starting, a management programme starts the heating of basket 40, as high as 105-110°C, controlling the temperature thereof through a thermocouple. At the same time gearmotor 3 is put into motion, so that arm 42 and screw 44 are driven into rotation at the desired speed.
  • the waste material is thus mixed and crushed , also due to the cooperation between arm 42 and screw 44 simultaneously operating (said screw rotating so as to push the material downwards). At the same time the wet waste is heated and begins to evaporate. The vapor is continuously removed from the main chamber and caused to condense in the condensing unit.
  • Fig. 7 shows a block diagram of the operation of the condensation cycle obtained with condensation unit 5.
  • Hot air rich in vapor extracted from the organic waste in chamber 40, is extracted by pump 51a through vent port 44a and caused to pass into unit 5.
  • the hot air undergoes a first cooling by expansion in pipe 51 and a second cooling upon contact with cold plate 53 in condensation chamber 52.
  • the cooling causes water condensation (more or less rich in organic molecules, such as proteins, but free from bacteria - killed by the previous thermal cycle in chamber 40), which is then drained and channelled - through tube 54 - to the drawer of condensate 6b.
  • the dehumidified air is reintroduced into chamber 40 through inlet port 44b and hose 45b.
  • the mixing and toasting cycle of the organic waste can last on average 2.5-3 hours for a load in the order of 2-2.5 Kg.
  • the controller of the apparatus relies on the temperature probe and on the calculation of the duty cycle for determining when the waste material is fully dried: when an acceptable, preset threshold duty cycle value is reached, the toasting cycle is ended.
  • the organic waste has dropped in weight by 75-80%, which has been collected as condensed water in the suitable drawer.
  • the rotation of the motor is inverted, so as to reverse rotation of screw 44 and to evacuate the basket chamber and pour the dry waste into the suitable drawer.
  • the machine can be stopped and is prepared for the execution of a new cycle.
  • the drawers for the collection of the condensate and of the dry matter may be emptied upon each operation cycle or more occasionally, provided the fact that the safeguard represented by the overflow system in the condensate drawer exists.
  • the apparatus according to the invention is very effective and convenient, allowing to fully achieve the objects set forth in the premises.
  • the apparatus is compact and free-standing; it requires no connection to the sewage system and is hence immediately operative and requires no particular installation devices.
  • the gearmotor arrangement which simultaneously controls the main stirrer and the lifter/pusher screw arranged adjacent to the basket, on the front, is particularly compact and effective for mixing the organic waste and for ejecting the dry matter.
  • the function of the double mixer according to the invention is multiple:
  • the apparatus is capable of treating the entire volume of organic waste produced by a family in the course of a day, providing as by-product condensation water, which can be disposed of or used for watering plants, as well as a very low volume of solid material, which may be used as compost or disposed of in the dry waste.
  • by-product condensation water which can be disposed of or used for watering plants, as well as a very low volume of solid material, which may be used as compost or disposed of in the dry waste.
  • Neither one of the two by-products gives off odors, nor does it contain bacteria, because it has undergone a sterilizing thermal treatment. Since the entire mixing and toasting chamber and the various pipes are assembled in an airtight manner and form a closed circuit, also during treatment no odor is released.
  • a condensation unit with Peltier cells instead of a condensation unit with Peltier cells, a condensation unit employing a classic frigorific cycle may be similarly used.
  • the operating components of the apparatus may be assembled in a raw frame to be fitted into a piece of furniture; for example, the reduced vertical bulk of the invention would advantageously allow the introduction into a drawer of a piece of kitchen furniture.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Of Solid Wastes (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Claims (11)

  1. Vorrichtung für die Aufbereitung von nassem organischem Abfall,
    umfassend eine beheizte Behandlungskammer (4), in der ein Rührwerk und ein Ausströmkreislauf von wasserdampfreicher Luft untergebracht sind, die zur Durchführung einer Trocknungsbehandlung des Abfalls vorgesehen ist, wobei die Behandlungskammer aus einem beheizten, korbförmigen Körper (40) mit einer oberen Mündung (41, 10) besteht, die durch einen dazugehörigen Deckel (11) luftdicht abgedichtet ist, wobei das Rührwerk die Form eines Mischarms (42) aufweist,
    der drehbar auf einer Hauptdrehachse innerhalb des beheizten, korbförmigen Körpers (4) befestigt ist, wobei der Ausströmkreislauf luftdicht angeordnet ist und den beheizten Korb (4) mit einer Kondensationseinheit (5) in Verbindung bringt, dadurch gekennzeichnet, dass
    die Kondensationseinheit (5) in luftdichter Verbindung mit einem herausnehmbaren Auszug (6b) zur Kondensatsammlung steht und dass die Vorrichtung ein Doppelmischsystem umfassend das Rührwerk und eine schraubenförmige Schnecke (44) aufnimmt,
    die in einer Hilfskammer (40a) untergebracht ist, die auf der Seite des korbförmigen Körpers (40) angeordnet ist und mit ihm in Verbindung steht, wobei die schraubenförmige Schnecke (44) eine zweite, nicht parallel zur Hauptachse stehende Drehachse aufweist, und wobei die schraubenförmige Schnecke (44) dazu geeignet ist, mindestens einen an den Arm (42) angrenzenden Bereich zu fegen und wobei mindestens die schraubenförmige Schnecke (44) in der Lage ist, im Uhrzeigersinn und im Gegenuhrzeigersinn in eine der beiden Richtungen der Schraube (44) innerhalb der Hilfskammer gedreht zu werden, die als ansteigender Fülltrichter arbeitet.
  2. Vorrichtung nach Anspruch 1,
    wobei unterhalb des korbförmigen Körpers (40) eine Getriebemotorbaugruppe (3) angeordnet ist, die dazu geeignet ist, mindestens eine erste Welle (43) des Mischarms (42) in Drehung zu versetzen.
  3. Vorrichtung nach Anspruch 1 oder 2, wobei die Hilfskammer (40a) oben in einer Ausstoßöffnung (144b) endet, die mit einer nach unten gerichteten, geflanschten Mündung (47) in Verbindung steht, und die mit einem herausnehmbaren Auszug (6a) zum Sammeln trockener Rückstände in luftdichte Verbindung steht.
  4. Vorrichtung nach Anspruch 3, wobei die schraubenförmige Schnecke drehfest mit einem Verdrängungszahn (44c) verbunden ist, der in der Nähe und stromabwärts der Ausstoßöffnng (144b) angeordnet ist, um trockene Rückstände in Richtung der geflanschten Mündung (47) zu schieben.
  5. Vorrichtung nach einem beliebigen der vorstehenden Ansprüche, wobei die Hilfskammer (40a) mit dem Inneren des korbförmigen Körpers (40) durch eine Öffnung (45) in Verbindung steht, die mit der Bodenfläche des korbförmigen Körpers (40) bündig ist.
  6. Vorrichtung nach einem beliebigen der Ansprüche 2 bis 5, wobei die Getriebemotorbaugruppe (3) auch eine zweite Welle (33) in Drehung versetzt, die drehfest mit einer Antriebswelle (31b) der schraubenförmigen Schnecke (44) verbunden ist.
  7. Vorrichtung nach einem beliebigen der vorstehenden Ansprüche, wobei die schraubenförmige Schnecke (44) eine Längsdrehachse aufweist, die in Bezug auf die Hauptdrehachse in einem Winkel von 15° bis 80°, vorzugsweise weniger als 30° geneigt ist.
  8. Vorrichtung nach einem beliebigen der vorstehenden Ansprüche, wobei die Kondensationseinheit (5) auf einer Rückseite des korbförmigen Körpers (40) gegenüber der Hilfskammer (40a) angeordnet und durch einen Einlassschlauch (45b) mit dem Innenraum des korbförmigen Körpers (40) verbunden ist.
  9. Vorrichtung nach Anspruch 8, wobei die Kondensationseinheit (5) mit dem Innenraum des korbförmigen Körpers (40) auch durch einen Belüftungsschlauch (45a) verbunden ist, der in Richtung einer Kondensationskammer (52) der Einheit (5) abzweigt.
  10. Vorrichtung nach einem beliebigen der vorstehenden Ansprüche, wobei die Kondensationseinheit (5) eine Kondensationskammer (52) umfasst, die mit einer Kaltwand (53) versehen ist, die mit einem mit Klappen versehenen Wärmeableiter (55) in Kontakt ist und wobei Peltier-Zellen (57) auf der Kaltwand (53) eingebaut sind.
  11. Verfahren zum Trocknen von Abfallmaterial in einer Vorrichtung gemäß einem beliebigen der vorstehenden Ansprüche, wobei
    die aktuelle Temperatur innerhalb der Aufbereitungskammer ermittelt und mit einem oberen Temperaturschwellenwert knapp über 100 °C verglichen wird,
    wenn die aktuelle Temperatur über den oberen Temperaturschwellenwert ansteigt, eine Heizeinrichtung der Vorrichtung abgeschaltet wird,
    die Zeitverzögerung gemessen wird, die das System benötigt, um auf natürliche Weise vom oberen Schwellenwert auf einen vorgegebenen unteren Schwellenwert (T2) zu gelangen,
    wenn die aktuelle Temperatur den unteren Schwellenwert (T2) erreicht, die Heizeinrichtung wieder eingeschaltet wird,
    der oben beschriebene Zyklus solange wiederholt wird, bis die Dauer der Zeitverzögerung länger als ein vorgegebener Zeitschwellenwert ist.
EP11745748.1A 2010-08-09 2011-08-05 Vorrichtung zur verarbeitung von biomüll Not-in-force EP2619515B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/IT2010/000363 WO2012020434A1 (en) 2010-08-09 2010-08-09 Apparatus for the treatment of organic waste
PCT/EP2011/063569 WO2012019977A1 (en) 2010-08-09 2011-08-05 Apparatus for processing organic waste

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DE202013003195U1 (de) 2013-04-08 2014-07-10 Develey Holding Gmbh & Co. Beteiligungs Kg Dosierbehälter
CN108981380B (zh) * 2018-10-09 2023-08-15 六安市凯盛茧丝绢有限公司 蚕丝被翻转烘干装置

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JP2742016B2 (ja) 1994-04-04 1998-04-22 株式会社環境工学研究所 水分含有率の高い有機物をコンポスト化する方法及び装置
IT1275878B1 (it) * 1995-03-09 1997-10-24 Candy Spa Asciugabiancheria a condensazione con recupero di condensa in contenitore
JP3322602B2 (ja) 1997-02-25 2002-09-09 松下電工株式会社 生ごみ処理装置
JP2003056982A (ja) * 2001-08-13 2003-02-26 Re-Tec:Kk 傘脱水装置
TW524149U (en) 2001-08-20 2003-03-11 Hung Pai Li Co Ltd Treatment device for organic waste
WO2007029954A1 (en) * 2005-09-05 2007-03-15 Dae-Eun Kang Garbage deodorizing drier by condensing
WO2008150059A1 (en) 2007-06-08 2008-12-11 Donggak Choi Food waste disposal machine

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TW201221238A (en) 2012-06-01
WO2012019977A1 (en) 2012-02-16
EP2619515A1 (de) 2013-07-31

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