EP1406054A1 - Vorrichtung zum Behandeln von Schüttgut - Google Patents
Vorrichtung zum Behandeln von Schüttgut Download PDFInfo
- Publication number
- EP1406054A1 EP1406054A1 EP02022412A EP02022412A EP1406054A1 EP 1406054 A1 EP1406054 A1 EP 1406054A1 EP 02022412 A EP02022412 A EP 02022412A EP 02022412 A EP02022412 A EP 02022412A EP 1406054 A1 EP1406054 A1 EP 1406054A1
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- EP
- European Patent Office
- Prior art keywords
- container
- bulk material
- area
- discharge
- feed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
- F26B17/18—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
- F26B17/20—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being horizontal or slightly inclined
Definitions
- the invention relates to devices according to the preamble of claim 1.
- Heat treatment is of particular importance.
- When heating with saturated steam are for example product temperatures of at least 85 ° C and a dwell time of at least four minutes.
- Hot air There are also heat treatments with Hot air known. With the usual heat treatments there is a risk that the Temperature distribution is not uniform or not homogeneous.
- hot air often creates short-circuit flow channels with a high Air flow and a low heat exchange. It also occurs at high flow rates undesirable segregation with regard to particle sizes and carrying an undesirably high proportion of the product.
- Cooling should efficiently ensure a uniform final temperature and final moisture. It has now been shown that high cooling air throughputs with extensive Loosening of the product enables an intensive heat and moisture exchange, but at the same time to undesired segregation with regard to Particle sizes and lead to an undesirably high proportion of product.
- the portion carried in the cooling air must have large-sized separators be separated from the cooling air. It has been shown to be valuable too fine-grained additives are discharged. If cooling air through larger Bulk layers are routed, so short-circuit flow channels often arise high air flow and low heat exchange.
- a mixer which is rotatable in a housing arranged drum with a partially perforated jacket wall.
- the product reaches the drum in the area of a first end face and is, for example, by means of a screw attached to the inside of the jacket wall due to the rotary movement the drum moves against the second face, where there is an outlet is provided.
- An air guiding device comprises a feed device on the housing and a discharge device from the drum, so that the process air through the perforated area of the jacket wall and the bulk material lying against it into the interior the drum and the discharge device from the drum.
- the bulk material is fluidized using the process air and mixed due to the rotation of the drum, an uneven treatment due to the development of dead zones to avoid.
- a solution in which the feed device alternates is preferred faces a perforated area and then a closed area again, so that the bulk material is only alternately flowed through by process air.
- the solutions according to DE 39 02 271 A1 they have the disadvantage that some of the process air passes through a gap area between the drum and the housing without the bulk material flow through to the discharge device.
- the perforated jacket areas are during part of the rotary movement so that there is no bulk material inside and process air flows in from the outside, so that the process air without contact to the Bulk material enters the drum through the perforation.
- the air without contact flowed through to the bulk material is thus unused, which is not efficient.
- the structure with the housing, the drum rotatable therein and the axial Laxative device very expensive. In order to be sufficient for thicker layers of bulk material To achieve fluidization, high flow rates must be chosen become, which in turn leads to undesirable segregation in terms of particle sizes and leads to the carrying of an undesirably high proportion of the product.
- EP 338 099 A1 describes a device with a rotatable drum and a Fluidization bed known.
- the fluidization bed is supported by an air box with a perforated surface, forming the air box and thus the fluidization bed in the lower part of the drum interior in the direction of the axis of rotation extends over a portion of the drum.
- the Drum In the area with the air box, the Drum a wreath of lifting blades on the inside so that bulk material from the lower drum area is carried, which counteracts when the blades rise trickles the upper drum area from the lifting blades onto the fluidization bed.
- the trickling bulk material is both air that along the drum axis is conveyed through the drum and air flows through it from the air box.
- the layer thickness on the fluidization bed vary greatly, especially undulating, which is treated too differently Partial quantities of the bulk material leads.
- high flow rates are required can be selected, which leads to undesirable segregation in terms of particle sizes and leads to the carrying of an undesirably high proportion of the product.
- a disadvantage of the devices with rotating drums is that in operation only a small part of the drum volume is filled with bulk material. It is about essentially a bulk kidney, which is a maximum of 10 to 15% of the drum volume busy. The fill level is also very limited above the fluidization areas, which has a negative effect on the achievable filling quantity. Because of this low Capacity and because rotating drums also converted for safety reasons or must be blocked off, is the space required in relation to the recording volume and thus undesirably large for the throughput that can be achieved.
- the object of the invention is now simple, versatile and efficient Find applicable device for treating bulk material with process gas.
- a rotating drum in the inside of which the bulk material is received, the possible uses of the device limits.
- supplying and removing process air in or out of a rotating one Drum must have a tight connection from the rotating drum to the non-rotating, stationary air duct parts can be provided, which is very expensive connected is.
- a portion of the process air cannot be passed through the bulk material.
- the wall of a rotating drum can only be connected to a cooling or heating circuit with additional effort. If a fixed or a non-rotating container is used, this can be formed with little effort with a heating or cooling jacket and thus also give contact heat to the bulk material or absorb heat from it.
- a solid container is a container that is not set in rotation and thus always remains in the same position. There are no measures for a solid container necessary to prevent operators from coming into contact with rotating parts. Air duct parts can easily be connected tightly to the non-rotating container become.
- a driver cage is rotatable in the container about the container axis arranged, which driver elements movable along the inner wall of the container makes.
- the driver cage preferably comprises at least one screw element and optionally at least one that runs essentially parallel to the drum axis Slat element.
- the design of the screw and / or the lamella elements allows desired bulk material movements in the direction of the container axis and to achieve in the circumferential direction. If necessary, the container axis is slightly inclined arranged so that the bulk movement in the axial direction by gravity is encouraged or supported.
- the lamella or, if applicable, the screw elements move the bulk material in Take the circumferential direction up to an upper section of the container interior can, these are optionally formed in the shape of a scoop.
- the slat elements interact with an inner guide surface in the ascent area, so that a conveying area between the inner wall of the container and the guide surface is formed in which the screw and / or lamella elements move.
- the bulk material is thus in the direction of movement of the screw and / or lamella elements pushed through the funding area in front of these elements.
- This in Bulk conveyed material falls from the upper end of the guide surface through the container against its lower area.
- the solution according to the invention thus comprises a solid container with a cylindrical one Shell wall.
- the container axis runs essentially horizontally, or around inclined at a small angle to the horizontal.
- a drive cage is in the container the container axis is rotatably arranged and includes driver elements that are in the Rotate to move along the inside wall of the container.
- the driver cage comprises as a driver element at least one screw element and / or at least one essentially Lamella element running parallel to the drum axis.
- the driver elements make bulk material feasible in the circumferential direction to a discharge area from where the bulk material falls towards the bottom in a veil shape.
- In the lower interior of the container at least one supply opening for process air is arranged.
- the drop area and for the process air at least one discharge opening and the at least one a supply opening arranged so that the process air from the supply opening against flows into the discharge area and then to the discharge opening.
- the discharge opening for this purpose is formed in the upper peripheral region of the container.
- the least A supply opening for process air can be placed on a fixed inside the driver cage arranged feed device or possibly also on the inner wall of the container be formed.
- the driver elements act with a inner guide surface together, so that between the container inner wall and the A guide area is formed in the guide surface, in which the screw and / or Move slat elements.
- the discharge area is from the upper end of the Guide surface formed.
- the guide surface with the feed device connected for the process air, the feed opening, for example, at the lower Edge of the guide surface is the guide surface and in particular the associated feed device can be pulled out of the container in the axial direction arranged.
- the bulk material falling down in a veil is in the lower part of the container added.
- a layer of bulk material is formed in a collection area an upper level surface.
- the driver elements comprise at least one preferably continuous screw or screw line and a guide surface is provided, a controlled throughput of the Bulk goods can be guaranteed by the container.
- the driver elements comprise at least one preferably continuous screw or screw line and a guide surface.
- a controlled throughput of the Bulk goods can be guaranteed by the container.
- the share of entrainment can be determined, which also affects the throughput.
- the thread throughput determines the throughput that can be achieved per revolution.
- the Throughput per revolution can be multiplied by the speed in one Throughput can be converted per time.
- the ratio of the container filling quantity to Throughput per time provides the average residence time. With a given treatment time can be appropriate according to the design of the device Speed can be set.
- a continuous screw In addition to the controlled throughput, a continuous screw also ensures that particles in the same volume range when feeding in the screw essentially always be led together. This controlled feed supports this Achieve a narrow treatment spectrum for all particles. Accordingly, one homogeneous treatment of the bulk material and the risk of insufficiently treated Particles are greatly reduced.
- the mean stay can be direct can be selected according to the desired treatment time. Because the time of stay A large throughput can be achieved if it is not necessary to choose an unnecessarily large one.
- the loosening wave below the veil preferably a paddle shaft arranged parallel to the container axis.
- the one on the loosening shaft attached loosening elements, in particular paddle elements move at least partially when rotating the loosening shaft, if necessary also completely, through the bulk material layer, loosening up the bulk material and doing so if necessary, whirl up over the upper level surface. Work over the bulk layer the loosening elements, if necessary, on the veil. With such a mechanical Loosening can be chosen very high in the container.
- the process air can be in intensive heat exchange contact kick with the loosened bulk material, with part of the loosening in Area of the veil and part in the area of the loosening elements is given.
- the bulk material preferably arrives in the area of a first end face of the container via an entry device into the container from above and leaves the container a discharge device in the region of its second end face.
- the feed and discharge device are preferably designed so that essentially no process air can leak.
- these devices include cellular wheel sluices.
- the of process air discharged from the container with the process air contained therein Particle content is removed via a separator, preferably at least guided a cyclone, about on the air outlet side of the separator a suction fan is arranged.
- a separator preferably at least guided a cyclone, about on the air outlet side of the separator a suction fan is arranged.
- a separator preferably at least guided a cyclone
- a suction fan is arranged.
- the air outlet side is reconnected to the supply device.
- the process air from the air outlet side to the environment delivered or, if necessary, fed to another process step.
- the Bulk material separated from the separating device may
- the device according to the invention for treating bulk material is of simple construction and versatile. It can be used for cooling, drying and heating with process air or gas, for example for hygienizing. It understands it goes without saying that steam can also be used for heating. To do this Steam nozzles arranged in the interior of the container so that the steam escapes into the Bulk layer is entered at the collection area. With the process air can Moisture can be removed from the bulk material, so that even when large amounts of steam the moisture of the bulk material when discharged in a desired Area.
- the device mechanically achieves a bulk curtain with loosened bulk, or with particles that are surrounded by open spaces.
- the process air does not have to fluidize the bulk material and can therefore be used with a lower flow velocity flow through the bulk material, which is an undesirable Carrying a high proportion of products prevented.
- the product on Is discharged at the end of a mixing process does not occur in the discharge device Separations in terms of particle sizes.
- the device enables due an efficient combination of mechanical elements and air flow Processes with a high degree of thermal utilization. If necessary the heat is recovered from the exhaust air. When warm exhaust air contaminated with odor the bulk material is guided, the bulk material can be preheated and a reduction in Odor, the exhaust air emerging from the device can be achieved.
- a screening or fractionation of the bulk material can be carried out, so that the device, for example, also for separating the bulk material into fine material and coarse goods can be used.
- Essentially identical devices can be arranged in series and / or in parallel become. For example, if two devices for cooling or heating in Connect the series to each other so that the air outlet side of the lower container can also be used the air supply device of the upper container.
- the Process air used in two stages for cooling or heating. If necessary contact heat from the inside of the container and in particular also from the guide surface delivered or recorded. In addition, these areas may be necessary Guides for a heat transfer medium as a double-walled border or if necessary, heating elements provided.
- the device according to the invention is not for the treatment of flour-shaped Products limited, but can be advantageous for the treatment of all bulk goods be used.
- cubes or expandates can also be treated.
- Treatments with process air of any other bulk goods can be carried out.
- sawdust can be dried.
- the device 1 shows a device 1 for treating bulk material with process air or gas.
- the device 1 comprises a fixed cylindrical container 2, which in its Longitudinal direction of a first and a second end face 2a, 2b is completed.
- a container axis 2c runs essentially horizontally or at a small angle inclined to the horizontal.
- the bulk material enters through an entry device 3 the inside of the container 2.
- a discharge device 4 is used to discharge treated Bulk material from the container 2.
- the entry device 3 is for example at the first end face above and the discharge device 4 if necessary at the second end face arranged at the bottom of the container 2, so that the bulk material after the Entry into the container 2 during the treatment in the direction of the container axis 2c is conveyed through the container.
- the funding is preferably mechanical, in particular with a driver cage 8, for example a screw element 8a.
- a driver cage 8 for example a screw element 8a.
- this can Bulk material can also be moved against the discharge device 4 due to gravity.
- a feed device 5 with a feed opening 5a.
- the feed opening 5a extends preferably at the lower end region of the feed device 5 in the direction the container axis 2c essentially over the entire interior of the container 2.
- the feed device 5 feed openings 5a for example in the form of slots can be trained.
- the feed opening 5a or the lateral area 5c becomes like this formed that the entry of bulk material in the feed device 5 in the operating state is prevented.
- the process air emerging from the feed opening 5a enters a bulk collection area 7 in the lower region of the container 2. After the The process air passes through a bulk material layer 9 to the upper level 9a this layer and then flows through a bulk curtain 10 against one in the upper Removal device 6 arranged in the container area, which also has a discharge opening 6a the container 2 is connected. If necessary, the process air also enters directly the bulk curtain 10.
- the feed opening 5a towards the bottom and as a large opening be formed.
- Driver cage 8 bulk material reaches the inside of the feed device 5, the edges are the feed opening 5a inclined towards the bottom in the direction of rotation. The one from the drive cage 8 stimulated bulk material movement is used by these as guiding surfaces Boundaries deflected downwards.
- the feeding of the feed device 5 takes place from the second end face 2b a connection opening 5b which has the largest possible cross section and therefore, even with a high process air throughput, entry speeds that are too high prevented.
- a sufficiently large dimensioning of the feed device 5 and the feed opening 5a ensures that the process air with a large Throughput and sufficiently low flow velocity reaches the bulk material.
- the feed device 5 occupies together with the Guide surface 13 accounts for 30-40% of the container interior and is in the area one half of the container. The other half of the container and the area of the drive cage 8 are provided for receiving the bulk material and the bulk material veil.
- At least one lamella element 8b is preferred on the driver cage 8 but are a plurality of evenly spaced lamella elements in the circumferential direction 8b arranged.
- a driver drive 11 (FIG. 3) sets the driver cage 8 in a Rotary movement according to arrow 11a.
- the lamella elements 8b cooperate, for example an inner guide surface 13 and with the container inner wall 2d, so that a conveying area between the container inner wall 2d and the guide surface 13 14 is formed.
- the discharge area 12 is from the upper end of the Guide surface 13 formed.
- the lamella elements 8b are on the longitudinal elements 8e of the Driver cage 8 attached.
- the attachment is preferably designed such that the The position of the lamella elements 8b can be adjusted radially relative to the longitudinal elements 8e is that the total displacement effect of the longitudinal and lamella elements 8e, 8b is adjustable. This adjustability allows the radial portion of the funding area 14, which is occupied by the longitudinal and lamella elements 8e, 8b. Because the driver cage 8 together with the lamella elements 8b for conveying in the circumferential direction preferably also at least one screw element 8a for conveying in Direction of the container axis 2c can be adjusted by adjusting the position of the lamella elements 8b the relationship between the promotion in volume and the promotion be changed in the axial direction.
- the bulk material veil 10 forms in the container 2 out.
- the feed opening 5a is below and the discharge opening 6a is above the bulk material veil 10 arranged so that the process air at least partially in the operating state flows through the bulk curtain 10.
- the container 2 can be pulled out in the axial direction.
- the container 2 and optionally also the guide surface 13 preferably comprise at least subareas in which a contact surface transfers heat between the adjacent bulk material and a heat transfer medium or at least allows a heating element.
- the container 2 and / or the guide surface 13 double-walled, so that the heat transfer medium through a cavity 15 can be guided.
- Fig. 2 shows an embodiment in which the driver cage 8 and the Screw element 8a includes vane-shaped lamella elements 8c.
- the scoop-shaped Lamella elements 8c are designed such that they are in the lower container area bulk goods in a given circumferential range with formation of veils.
- a guide surface 13 can be dispensed with, so that a larger circumferential area can be used for the formation of veils.
- the dropping area extends over a partial ring section along which the Throwing edges of the blade-shaped lamella elements 8c when throwing bulk material move.
- Carrying out movements in the direction of the container axis 2c can be done in the Inside the container 2 can be arranged radially within the carrier cage 8, so that the interior is divided into subspaces in the axial direction.
- the feed device 5 ' is analogous to the feed device 5 according to FIG. 1 inside of the container 2 arranged. It includes an end opening 5b and Feed openings 5a in the form of slots, with a roof-shaped configuration prevents the entry of bulk goods. At least through the upper feed openings 5a the process air goes directly into the bulk curtain 10 and flows after an intensive one Contact to bulk particles over essentially all of the top Removal device 6 adjoining the container area.
- the feed slots of the roof-shaped Feeding devices 5 ′ can also be used in an embodiment according to FIG. 1 can advantageously be used with a guide surface 13, in which case, for example the guide surface 13 is formed separately from the feed device and the tip in central area of the veil 10 is positioned so that bulk goods on both sides trickles down the feeder.
- the second feed device 5 ′′ shown is arranged outside the container 2.
- the process air passes through a supply opening 5a "in the form of a surface with an extreme small holes in the inside of the container 2.
- the bulk material should be retained in the container become. Because the small holes can be blocked, high ones would have to be plugged Air speeds are worked, but this is not desirable. thats why this solution is not appropriate for all bulk goods. If necessary, it will be at Bulk goods are used, which can not lead to blockages.
- pulsating Process air can be provided by, for example, a rotating one Flap 16 is arranged in the feeder.
- a pulsing device can Any of the described feeding device can be assigned.
- FIG. 3 to 7 show a device according to FIG. 1, which additionally has a loosening shaft 17 includes.
- the loosening shaft 17 loosens the bulk material mechanically on, allowing the process air to flow at a lower rate comes into intensive heat exchange contact with the bulk material. It understands of course that with a container with a larger diameter and / or a Upper or higher bulk material level two or more loosening waves 17 can be provided.
- the container 2 with the entry device 3 is at the first end face 2a above, the discharge device 4 at the second end face 2b below and the discharge device 6 shown.
- the driver cage 8 in the interior of the container 2 includes a first end face 2a and a second end face at second end face 2b 8c or 8d.
- the two end elements 8c, 8d are at the container wall, thus radially outside, connected to one another via longitudinal connections 8e. The Ensure longitudinal connections 8e and / or slat elements 8b attached to them when the driver cage 8 rotates, bulk material is conveyed in the circumferential direction.
- the first end element 8c is connected to a central drive shaft 18, which is rotatably mounted on the container 2 via first rotary bearings 18a and by the driver drive 11 can be driven.
- the second termination element 8d is annular formed and is mounted radially on the outside via bearing 8f on the container 2.
- the bearings 8f are in the form of rollers on the container 2 arranged, the rollers on a tread 8g of the end element 8d concern. At least three are preferably at least along the circumference four roles arranged.
- the container axis 2c is at least one at the longitudinal connections 8e Screw element 8a, preferably in the form of a continuous thread line, formed, the thread line at least little over the longitudinal connections 8e and, if necessary, attached lamella elements 8b protruding against the container wall.
- the lamella elements 8b are preferably designed as short pieces, which can be used between successive turns of the screw element 8a are. It goes without saying that the short pieces have different shapes can. They form driver elements that rotate when the driver cage is turned 8 move along an area near the inner wall of the container 2d and bulk material makes it feasible in the circumferential direction to a discharge area, so that starting in the container 2 at least one bulk curtain can be obtained from the discharge area.
- an insertion opening 2d is formed in the container 2 which an insert part 19 can be inserted into the container 2.
- the insert part 19 comprises the feed device 5 and / or the guide surface 13 and / or one Steam application device 24 and / or the loosening shaft 17 and can be used for Cleaning purposes in the axial direction removed from the container and inserted become.
- the parts of the insertion part 19 are, if appropriate, each individually or at least partially, but possibly all, can be used together in the container.
- the Loosening shaft 17 comprises loosening tools 17a, preferably paddles. It is rotatably supported on the insert part 19 by means of second pivot bearings 20 and is supported a loosening drive 21 driven.
- the insertion part 19 Centered around the insertion part in container 2 To be able to fasten on both sides, the insertion part 19 according to FIG first end face 2a with a third pivot bearing 22 on a central pin 23 or mounted on a recess and on the second end face 2b via an end plate 19a and an end ring 19b radially connected to the outside of the container 2, wherein the loosening drive 21 is preferably attached to the outside of the end plate 19a is.
- the steam introduction device 24 comprises, for example, one main line and several Distribution lines 24a, which extend against an area with bulk material and at the end, include outlet nozzles that introduce the steam into the bulk material.
- the Steam introduction device 24 is optionally with the feed device 5 and / or the guide surface 13 connected.
- FIGS. 8 and 9 show a device with a discharge device 6, which with a separation device, preferably at least one cyclone 25 and adjoining it is connected to an air drive device 26.
- a separation device preferably at least one cyclone 25 and adjoining it is connected to an air drive device 26.
- the discharge devices of the cyclones with the Connected inside the container 2.
- Filters especially bag filters, are used. Because the filters are cleaned or replaced should only be used for treatments or bulk goods, discharge the very small proportions of the bulk material via the process air.
- a process air return 28 may lead from the air drive device 26 via an adjustable valve 29 to the feed device 5. This allows the device also with a closed process air circuit, or possibly with a Recirculated air and a fresh air portion are operated, the valve 29 then exhaust air proportionally feeds both the environment and the feed device 5.
- the container wall 2d and / or optionally the guide surface 13 with a Cooling or heating medium to cool or heat are on the container 2 and / or on Insert part 19 at least one inlet connection 32 and at least one outlet connection 33 provided.
- Both containers 2 comprise an entry device 3 and a discharge device 4 for loading and unloading bulk goods and one feed device and one Removal device for supplying or removing process air.
- the discharge device of the first or upper container serves as the entry device of the second container 2 and thus becomes a transfer device 30.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Crushing And Grinding (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
Description
- Fig. 1
- eine schematische Darstellung einer Behandlungsvorrichtung mit einer Führungsfläche, wobei die Prozessluft über eine radial innerhalb des drehbaren Mitnehmerkäfigs angeordnete Zuführvorrichtung eintragbar ist,
- Fig. 2
- eine schematische Darstellung einer Behandlungsvorrichtung mit Schaufelelementen am Mitnehmerkäfig, wobei zum Eintragen von Prozessluft zwei verschiedene Zuführvorrichtungen dargestellt sind,
- Fig. 3
- einen schematischen Längsschnitt durch eine Vorrichtung, bei der ein Einschubteil mit der Zuführvorrichtung, der Führungsfläche, der Dampfeintragsvorrichtung und einer Auflockerungswelle in axialer Richtung aus dem Behälter entnehmbar und einsetzbar ist,
- Fig. 4
- einen schematischen Querschnitt durch eine Vorrichtung nach Fig. 3.,
- Fig. 5
- einen schematischen Längsschnitt durch eine Vorrichtung nach Fig. 3. ohne Einschubteil,
- Fig. 6
- einen schematischen Längsschnitt durch den Einschubteil einer Vorrichtung nach Fig. 3.,
- Fig. 7
- einen schematischen Längsschnitt durch eine Vorrichtung, bei der ein Einschubteil mit der Zuführvorrichtung, der Führungsfläche und der Dampfeintragsvorrichtung in axialer Richtung aus dem Behälter entnehmbar und einsetzbar ist,
- Fig. 8
- einen schematischen Längsschnitt einer Vorrichtung gemäss Fig. 3 mit einer Abscheidevorrichtung,
- Fig. 9
- einen schematischen Querschnitt der Vorrichtung gemäss Fig. 7,
- Fig. 10
- einen schematischen Querschnitt einer Vorrichtung mit zwei in Serie angeordneten Behältern zum Behandeln von Schüttgut, und
- Fig. 11
- eine schematische Seitenansicht einer Vorrichtung gemäss Fig. 9.
Claims (10)
- Vorrichtung zum Behandeln von Schüttgut mit einem festen zylinderförmigen Behälter (2) mit einer ersten und einer zweiten Stirnseite (2a, 2b), einer Behälterachse (2c), die im Wesentlichen horizontal oder um einen kleinen Winkel zur Horizontalen geneigt verläuft, einer Eintragsvorrichtung (3) sowie einer Austragsvorrichtung (4) zum Eintragen bzw. Austragen von Schüttgut und einer Zuführvorrichtung (5) sowie einer Abführvorrichtung (6) zum Zuführen bzw. Abführen von Prozessluft, dadurch gekennzeichnet, dass im Behälter (2) ein Mitnehmerkäfig (8) mit mindestens einem Mitnehmerelement (8a, 8b) um die Behälterachse (2c) drehbar angeordnet ist, ein Mitnehmerantrieb (11) den Mitnehmerkäfig (8) antreibbar macht, das mindestens eine Mitnehmerelement (8a, 8b) sich beim Drehen entlang eines Bereiches bei der Behälter-Innenwand (2d) bewegt und dabei Schüttgut in Umfangsrichtung zu einem Abwurfbereich (12) führbar macht, so dass im Behälter (2) ausgehend vom Abwurfbereich (12) zumindest ein Schüttgutschleier (10) erzielbar ist, wobei eine Zuführöffnung (5a) der Zuführvorrichtung (5) unter und eine Abführöffnung (6a) der Abführvorrichtung (6) über einem Teil des Schüttgutschleiers (10) angeordnet ist und die Prozessluft im Betriebszustand zumindest teilweise durch den Schüttgutschleier (10) strömt.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass im Behälter (2) zumindest eine Führungsfläche (13) angeordnet ist, welche dem Bereich mit dem Mitnehmerkäfig (8) zugewandt ist, so dass zwischen der Behälter-Innenwand (2d) und der Führungsfläche (13) ein Förderbereich (14) ausgebildet ist, in dem sich das mindestens eine Mitnehmerelement (8a, 8b) bewegt, wobei sich die Führungsfläche (13) vorzugsweise von einem unteren Behälterbereich bis zu einem oberen Behälterbereich erstreckt und der Abwurfbereich (12) vom oberen Endbereich der Führungsfläche (13) gebildet ist.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sich die Zuführvorrichtung (5) radial innerhalb des Mitnehmerkäfigs (8) in den Innenraum des Behälters (2) erstreckt und vorzugsweise zumindest eine nach unten gerichtete Zuführöffnung (5a) umfasst.
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass sie eine Dampfeintragsvorrichtung (24) umfasst, die vorzugsweise mit der Zuführvorrichtung (5) und/oder der Führungsfläche (13) verbunden ist.
- Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass sie mindestens eine Auflockerungswelle (17) mit einem Auflockerungsantrieb (21) und Auflockerungselementen (17a) umfasst, wobei sich die mindestens eine Auflockerungswelle (17) radial innerhalb des Mitnehmerkäfigs (8) in den Innenraum des Behälters (2) erstreckt.
- Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Zuführvorrichtung (5) und/oder die Führungsfläche (13) und/oder die Dampfeintragsvorrichtung (24) und/oder die Auflockerungswelle (17) etwa für Reinigungszwecke in axialer Richtung aus dem Behälter (2) entnehmbar und einsetzbar ist, wobei vorzugsweise die Führungsfläche (13) und die Zuführvorrichtung (5) und/oder die Dampfeintragsvorrichtung (24) und/oder eine Lagerung der Auflockerungswelle (17), vorzugsweise aber alle entnehmbaren Vorrichtungsteile, miteinander verbunden sind und dabei einen gemeinsamen Einschubteil (19) bilden.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der Mitnehmerkäfig (8) bei der ersten Stirnseite (2a) des Behälters (2) ein zentrales Wellenelement (18) umfasst, das am Behälter (2) drehbar gelagert und mit dem Mitnehmerantrieb (11) ausserhalb des Behälters (2) verbunden ist, bei der zweiten Stirnseite (2b) radial aussen am Behälter (2) gelagert ist und dass gegebenenfalls der Einschubteil (19) bei der ersten Stirnseite (2a) mit einem dritten Drehlager (22) an einem zentralen Eingriffselement (23) gelagert und bei der zweiten Stirnseite (2b) radial aussen mit dem Behälter (2) verbunden ist.
- Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass mindestens ein Mitnehmerelement (8a, 8b) als Schneckenelement (8a) schraubenlinienförmig und/oder mindestens ein Mitnehmerelement (8a, 8b) als Lamellenelement (8b) lamellenförmig, vorzugsweise im Wesentlichen parallel zur Behälterachse (2c), ausgebildet ist, wobei das mindestens eine Lamellenelement (8b) vorzugsweise radial verstellbar montiert ist.
- Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Abführvorrichtung (6) mit einer Abscheidevorrichtung, vorzugsweise zumindest einem Zyklon (25), und daran anschliessend insbesondere mit einer Luftantriebsvorrichtung (26) verbunden ist, wobei gegebenenfalls von der Abscheidevorrichtung eine Schüttgutrückführung (27) in den Behälter (2) und/oder von der Luftantriebsvorrichtung (26) eine Prozessluftrückführung (28) zur Zuführvorrichtung (5) führt.
- Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass ein weiterer Behälter (2) mit einer Eintragsvorrichtung (3) sowie einer Austragsvorrichtung (4) zum Eintragen bzw. Austragen von Schüttgut und einer Zuführvorrichtung (5) sowie einer Abführvorrichtung (6) zum Zuführen bzw. Abführen von Prozessluft vorgesehen ist, wobei die Austragsvorrichtung (4) des ersten Behälters (2) als Eintragsvorrichtung (3) des weiteren Behälters (2) dient und vorzugsweise die Abführvorrichtung (6) des weiteren Behälters (2) mit der Zuführvorrichtung (5) des ersten Behälters (2) verbunden ist, so dass zwei Behälter (2) in Serie betreibbar sind.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50208794T DE50208794D1 (de) | 2002-10-04 | 2002-10-04 | Vorrichtung zum Behandeln von Schüttgut |
EP02022412A EP1406054B1 (de) | 2002-10-04 | 2002-10-04 | Vorrichtung zum Behandeln von Schüttgut |
AT02022412T ATE346273T1 (de) | 2002-10-04 | 2002-10-04 | Vorrichtung zum behandeln von schüttgut |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP02022412A EP1406054B1 (de) | 2002-10-04 | 2002-10-04 | Vorrichtung zum Behandeln von Schüttgut |
Publications (2)
Publication Number | Publication Date |
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EP1406054A1 true EP1406054A1 (de) | 2004-04-07 |
EP1406054B1 EP1406054B1 (de) | 2006-11-22 |
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EP02022412A Expired - Lifetime EP1406054B1 (de) | 2002-10-04 | 2002-10-04 | Vorrichtung zum Behandeln von Schüttgut |
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EP (1) | EP1406054B1 (de) |
AT (1) | ATE346273T1 (de) |
DE (1) | DE50208794D1 (de) |
Families Citing this family (1)
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JP6159589B2 (ja) * | 2013-06-21 | 2017-07-05 | 三菱マテリアルテクノ株式会社 | ディスク型撹拌処理装置 |
Citations (14)
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DE344010C (de) * | ||||
DE149590C (de) * | 1901-05-30 | |||
DE323462C (de) * | ||||
FR439510A (fr) * | 1911-01-30 | 1912-06-15 | Paul Rassmus | Appareil sécheur |
GB205674A (en) * | 1922-10-13 | 1923-10-25 | William George Simon | Improvement connected with drying, heating or cooling apparatus |
DE577776C (de) * | 1930-01-10 | 1933-06-03 | Buettner Werke A G | Muldentrockner mit drehbarer Heizgasverteilungstrommel |
US2067506A (en) * | 1936-05-11 | 1937-01-12 | Frank V Silva | Casein drier |
US2090523A (en) * | 1934-08-23 | 1937-08-17 | Whipperman Frank | Drying and heating apparatus |
DE1629097A1 (de) * | 1966-05-05 | 1970-04-30 | Ticona Polymerwerke Gmbh | Konvedtionstrockner mit zylindrischem,feststehendem Gehaeuse |
DE3010965A1 (de) * | 1979-03-21 | 1980-10-09 | Richter Gedeon Vegyeszet | Vorrichtung zum trocknen und koernen von feuchten schuettbaren und/oder pastenartigen, insbesondere waermeempfindlichen, nicht aufwirbelbaren, streichbaren, breiigen bzw. haftenden, materialien sowie schlamm von biologisch behandelten abwaessern und broeckeligen organabfaellen von schlachthoefen |
DE3902271A1 (de) | 1988-03-12 | 1989-09-21 | Buehler Ag Geb | Verfahren zum behandeln von schuettgut und vorrichtungen und anlage dazu |
EP0338099A1 (de) | 1988-04-16 | 1989-10-25 | Braunschweigische Maschinenbauanstalt AG | Verfahren zum Trocknen und Kühlen von feuchten Kristallzuckermassen sowie Vorrichtung zum Ausüben des Verfahrens |
EP0611937A1 (de) * | 1993-02-15 | 1994-08-24 | DRAISWERKE GmbH | Mischer-Trockner |
DE29516324U1 (de) * | 1995-10-14 | 1996-04-11 | VIP Umwelttechnik GmbH i.G., 19243 Wittenburg | Einrichtung zum Zerkleinern und Trocknen von Naßgut mittels eines perforierten Hohlwellensystems |
-
2002
- 2002-10-04 AT AT02022412T patent/ATE346273T1/de not_active IP Right Cessation
- 2002-10-04 EP EP02022412A patent/EP1406054B1/de not_active Expired - Lifetime
- 2002-10-04 DE DE50208794T patent/DE50208794D1/de not_active Expired - Lifetime
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE323462C (de) * | ||||
DE344010C (de) * | ||||
DE149590C (de) * | 1901-05-30 | |||
FR439510A (fr) * | 1911-01-30 | 1912-06-15 | Paul Rassmus | Appareil sécheur |
GB205674A (en) * | 1922-10-13 | 1923-10-25 | William George Simon | Improvement connected with drying, heating or cooling apparatus |
DE577776C (de) * | 1930-01-10 | 1933-06-03 | Buettner Werke A G | Muldentrockner mit drehbarer Heizgasverteilungstrommel |
US2090523A (en) * | 1934-08-23 | 1937-08-17 | Whipperman Frank | Drying and heating apparatus |
US2067506A (en) * | 1936-05-11 | 1937-01-12 | Frank V Silva | Casein drier |
DE1629097A1 (de) * | 1966-05-05 | 1970-04-30 | Ticona Polymerwerke Gmbh | Konvedtionstrockner mit zylindrischem,feststehendem Gehaeuse |
DE3010965A1 (de) * | 1979-03-21 | 1980-10-09 | Richter Gedeon Vegyeszet | Vorrichtung zum trocknen und koernen von feuchten schuettbaren und/oder pastenartigen, insbesondere waermeempfindlichen, nicht aufwirbelbaren, streichbaren, breiigen bzw. haftenden, materialien sowie schlamm von biologisch behandelten abwaessern und broeckeligen organabfaellen von schlachthoefen |
DE3902271A1 (de) | 1988-03-12 | 1989-09-21 | Buehler Ag Geb | Verfahren zum behandeln von schuettgut und vorrichtungen und anlage dazu |
EP0338099A1 (de) | 1988-04-16 | 1989-10-25 | Braunschweigische Maschinenbauanstalt AG | Verfahren zum Trocknen und Kühlen von feuchten Kristallzuckermassen sowie Vorrichtung zum Ausüben des Verfahrens |
EP0611937A1 (de) * | 1993-02-15 | 1994-08-24 | DRAISWERKE GmbH | Mischer-Trockner |
DE29516324U1 (de) * | 1995-10-14 | 1996-04-11 | VIP Umwelttechnik GmbH i.G., 19243 Wittenburg | Einrichtung zum Zerkleinern und Trocknen von Naßgut mittels eines perforierten Hohlwellensystems |
Also Published As
Publication number | Publication date |
---|---|
EP1406054B1 (de) | 2006-11-22 |
DE50208794D1 (de) | 2007-01-04 |
ATE346273T1 (de) | 2006-12-15 |
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