EP1091183A1 - Vorrichtung zum Trocknen und Reinigen von kleinstückigem Gut, insbesondere von zerkleinerten Kunststoffabfällen - Google Patents
Vorrichtung zum Trocknen und Reinigen von kleinstückigem Gut, insbesondere von zerkleinerten Kunststoffabfällen Download PDFInfo
- Publication number
- EP1091183A1 EP1091183A1 EP00890295A EP00890295A EP1091183A1 EP 1091183 A1 EP1091183 A1 EP 1091183A1 EP 00890295 A EP00890295 A EP 00890295A EP 00890295 A EP00890295 A EP 00890295A EP 1091183 A1 EP1091183 A1 EP 1091183A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flow channel
- jacket
- screen jacket
- rotor
- container
- 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.)
- Granted
Links
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
- F26B17/107—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers pneumatically inducing within the drying enclosure a curved flow path, e.g. circular, spiral, helical; Cyclone or Vortex dryers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/08—Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment
Definitions
- the invention relates to a device for drying and cleaning of small-sized goods, in particular crushed plastic waste, with a standing container that is between an outer and an inner Sieve jacket an annular flow channel for the material to be treated forms and at least one outlet connected to the outer screen jacket has, and with at least one fan for one within the flow channel circumferential, over the inner screen jacket from the container dissipatable air flow, being between the container jacket and the outer Sieve jacket provided a collecting space for separations from the flow channel are.
- the residual moisture of the good particles evaporates in the heated conveying air stream is drawn off over the inner screen jacket.
- the dried and cleaned items to be treated with the air flow inside of the flow channel in a helical circular movement upwards can then be promoted via an in the upper area of the outer screen jacket provided good outlet are discharged.
- Prerequisite for one Good guidance in the area of the outer screen jacket is sufficient centrifugal force due to the orbital movement, which inevitably occurs with the The length of the conveyor path decreases.
- the invention is therefore based on the object of a device for Drying and cleaning of small pieces, especially of shredded goods Plastic waste, of the type described in such a way that a Laying of the inner screen jacket effectively prevented and thus a constant high air turnover can be guaranteed.
- the invention solves the problem in that the inner screen jacket is rotatably mounted and can be driven in the direction of rotation of the air flow.
- Particularly advantageous conditions for separating the with the Treated dirt carried along can be predetermined be that the annular flow channel at the bottom to the inner screen jacket coaxial rotor is connected for the good entry because in this Fall accelerates the particles to be treated over the rotor and into one Orbital movement in which they are conveyed by the air flow become.
- This rotor for the good entry into the flow channel can Simplification of construction with the inner screen jacket connected in a rotationally fixed manner be, so that there is a common drive for the rotor and the screen jacket results.
- the rotor for the good entry can with appropriate training also serve as a fan for the air flow in the flow channel, the Conveying air is sucked in axially through the rotor. This intake air the material to be treated can be given up for entry into the flow channel become.
- the rotor load poses a measure of the amount supplied to the device or located in the device Good quantity, so that the control is dependent on the rotor load the good outlet for an advantageous control of the good treatment can be.
- the respective load on the drive motor can be used.
- Exceeds that Engine load a predetermined upper limit value then a corresponding Control device of the good outlet opened, which closed again is as soon as the engine load below a set due to the good discharge lower limit drops.
- the conveying and drying air flow through the flow channel can through a pressure blower on the bottom of the flow channel, but also be generated by a suction fan above the inner sieve jacket. In special cases it is also possible to close a pressure blower with a suction blower combine. The only thing that matters is that for the respective application required helical circulation flow within the flow channel ensure for the goods to be treated. For this reason, there is one Construction usable in which the pressure line of the blower for the air flow tangential to the outer screen jacket opens into the flow channel.
- the inner sieve jacket on the upper face with a container ring have interacting sealing flange, which in the gap between the container ring and sealing flange forms protruding fan blades. These fan blades require a radially outward flow of air necessary for the required sealing of the flow channel.
- FIGS. 1 to 3 there is Device for drying and cleaning crushed plastic waste a standing container 1, which is built on a spiral housing 2 which is an intake duct for one provided in the region of the container bottom 3
- Rotor 4 forms. With its blades 5, this rotor 4 represents a fan 6, the air sucks axially through the spiral housing 2 and radially into one Ejects flow channel 7, which is between an outer screen jacket 8 and an inner sieve jacket 9 which is flared upwards is formed. While the outer screen jacket 8 between the bottom 3 and an upper Container ring 10 is held non-rotatably, the inner screen jacket 9 is on the rotor 4 attached so that the inner screen jacket 9 is rotated with the rotor 4.
- the rotor 4 is driven via a rotor shaft 11 which is located in a base 12 of the Device is rotatably supported and not by a belt drive 13 shown engine can be driven forth.
- Sealing the inside Sieve jacket 9 opposite the container ring 10 via a sealing flange 14, the protruding into the gap 15 between the container ring 10 and the sealing flange 14 Has fan blades 16. If the inner screen jacket 9 rotates the fan blades 16 a radially outward air flow into the flow channel 7, whereby the desired sealing of the flow channel 7 in is achieved in a simple manner.
- a housing 17 is placed on top, which by the inner screen jacket 9 collects air flowing upwards and after leads outside. According to the desired orbital movement for the air
- the housing 17 forms an exhaust air duct within the flow duct 7 a spiral peripheral wall 18.
- the shredded plastic waste to be treated is transferred to a Feed hopper 19 fed to a rotary valve 20, which on the housing 2 for the intake air is provided so that the plastic waste is metered in a Amount of air, generally preheated, drawn in via the rotor 4 be abandoned.
- the shredded plastic waste arrives in the area of the rotor 4, where it is gripped by the wings 5 and under a rotational drive flung radially outwards against the outer screen jacket 8 becomes.
- the dirt load separated from the good particles, the partly in the form of a liquid is transferred into a via the outer screen jacket 8 Collection space 21 between the container jacket 22 and the outer screen jacket 8 separated, and can from this collecting space 21 via an outlet 23 subtracted from.
- the retained by the outer screen jacket 8 in Good particles are in the flow channel 7 with the aid of the conveying air in a helical orbital movement along the outer screen jacket 8 moved upwards, by the rolling movement of the good particles together and on the outer screen jacket 8 extensive cleaning with increasing Drying is caused by the conveying air, which is only through the inner screen jacket 9 can be dissipated. Since the inner screen jacket 9 rotated with the rotor 4 is, is advantageously a laying of the screen jacket 9 by good particles prevents the air flow discharged through the screen jacket 9 against the effect of centrifugal forces.
- Air flow leading screen jacket 9 causes an acceleration of the in its area passing particles in the circumferential direction, resulting in a increased centrifugal force and thus a lifting of the good particles leads from the sieve jacket 9.
- This effect is supported by the fact that due to the high relative speed between the rotating screen jacket 9 and the air flow in the flow channel 7 in the circumferential direction is applied by Good particles on the screen jacket 9 is difficult.
- the conical widening of the screen jacket 9 up the speed ratios in the sense of the desired effect improve. After a given treatment time, for example of 60 Seconds, the drying process is complete.
- the dried and cleaned plastic waste can then from one to the outer screen jacket 8 connected good outlet 24 discharged with the help of the flow air are opened when this good outlet 24, which passes through the collecting space 21 becomes.
- the product outlet 24 is, for example, with a locking slide 25 provided.
- FIGS. 4 and 5 shows that the air flow can be generated within the flow channel 7 in different ways can.
- the pressure line 26 is not shown for reasons of clarity
- the fan opens above the rotor 4 tangentially to the outer screen jacket 8 in the flow channel 7, as can be seen in particular from FIG. 5 can.
- the rotor 4 in the bottom area of the container 1 serves primarily in this case the acceleration of the good particles to be treated, with fan blades 27 is provided for an air flow that is for the good entry through a good inlet duct 28 is sufficient.
- the material conveyed into the annular space 7 reaches the peripheral area of the rotor 4 in the region of throwing blades 29 of the rotor 4, which for the Further conveyance of the goods with a rough separation of the dirt load care until the good particles from the conveying air flow from the pressure line 26 of the Blower detected and in connection with the embodiment 1 to 3 described type are promoted.
- the exhaust air duct through the housing 17, however, is provided by one in the housing 17
- Suction fan 30 supports that on a common drive shaft 31st with the rotor 4. With appropriate dimensioning of the suction fan 30 could be due to a tangential air supply through the outer screen jacket 8 also be dispensed with.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Drying Of Solid Materials (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
Description
- Fig. 1
- eine erfindungsgemäße Vorrichtung zum Trocknen und Reinigen von zerkleinerten Kunststoffabfällen in einem vereinfachten Axialschnitt,
- Fig. 2
- diese Vorrichtung nach einem Schnitt nach der Linie II-II der Fig. 1,
- Fig. 3
- einen Schnitt nach der Linie III-III der Fig. 1,
- Fig. 4
- eine Konstruktionsvariante einer erfindungsgemäßen Vorrichtung in einer der Fig. 1 entsprechenden Darstellung und
- Fig. 5
- einen Schnitt nach der Linie V-V der Fig. 4
Claims (8)
- Vorrichtung zum Trocknen und Reinigen von kleinstückeligem Gut, insbesondere von zerkleinerten Kunststoffabfällen, mit einem stehenden Behälter (1), der zwischen einem äußeren und einem inneren Siebmantel (8, 9) einen ringförmigen Strömungskanal (7) für das zu behandelnde Gut bildet und wenigstens einen an den äußeren Siebmantel (8) angeschlossenen Gutauslaß (24) aufweist, und mit wenigstens einem Gebläse (6) für eine innerhalb des Strömungskanales (7) umlaufende, über den inneren Siebmantel (9) aus dem Behälter (1) abführbare Luftströmung, wobei zwischen dem Behältermantel (22) und dem äußeren Siebmantel (8) ein Sammelraum (21) für Abscheidungen aus dem Strömungskanal (7) vorgesehen sind, dadurch gekennzeichnet, daß der innere Siebmantel (9) drehbar gelagert und im Umlaufsinn der Luftströmung antreibbar ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der ringförmige Strömungskanal (7) unten an einen zum inneren Siebmantel (9) koaxialen Rotor (4) für den Guteintrag angeschlossen ist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Rotor (4) für den Guteintrag mit dem inneren Siebmantel (9) drehfest verbunden ist.
- Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der Gutauslaß (24) in Abhängigkeit von der Drehmomentbelastung des Rotors (4) ansteuerbar ist.
- Vorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß der Rotor (4) für den Guteintrag das Gebläse (6) für die Luftströmung im Strömungskanal (7) bildet.
- Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Gebläse für die Luftströmung im Strömungskanal aus einem Sauggebläse (30) oberhalb des inneren Siebmantels (9) besteht.
- Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Druckleitung (26) des Gebläses für die Luftströmung im Strömungskanal (7) tangential zum äußeren Siebmantel (8) in den Strömungskanal (7) mündet.
- Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der innere Siebmantel (7) an der oberen Stirnseite einen mit einem Behälterring (10) zusammenwirkenden Dichtflansch (14) aufweist, der in den Spalt (15) zwischen Behälterring (10) und Dichtflansch (14) vorstehende Lüfterflügel (16) bildet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT00890295T ATE275259T1 (de) | 1999-10-08 | 2000-10-03 | Vorrichtung zum trocknen und reinigen von kleinstückigem gut, insbesondere von zerkleinerten kunststoffabfällen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0171499A AT408525B (de) | 1999-10-08 | 1999-10-08 | Vorrichtung zum trocknen und reinigen von kleinstückigem gut, insbesondere von zerkleinertenkunststoffabfällen |
AT171499 | 1999-10-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1091183A1 true EP1091183A1 (de) | 2001-04-11 |
EP1091183B1 EP1091183B1 (de) | 2004-09-01 |
Family
ID=3519407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00890295A Expired - Lifetime EP1091183B1 (de) | 1999-10-08 | 2000-10-03 | Vorrichtung zum Trocknen und Reinigen von kleinstückigem Gut, insbesondere von zerkleinerten Kunststoffabfällen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1091183B1 (de) |
AT (2) | AT408525B (de) |
DE (1) | DE50007603D1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106079150A (zh) * | 2016-06-30 | 2016-11-09 | 重庆浩立塑胶有限公司 | 送料选料装置 |
CN111141118A (zh) * | 2019-12-30 | 2020-05-12 | 李方光 | 一种中药饮片切制成型后加工装置 |
EP3992561A1 (de) * | 2020-10-27 | 2022-05-04 | G. Larsson Starch Technology AB | Schnelltrockner zum trocknen eines produkts und verfahren zum trocknen eines produkts in einem schnelltrockner |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT505299B1 (de) * | 2007-08-22 | 2008-12-15 | Schulz Helmuth | Vorrichtung zum trocknen und reinigen von kleinstückigem gut |
AT508965B1 (de) | 2009-11-04 | 2011-10-15 | Anglberger Herbert | Vorrichtung zum reinigen und trocknen von kleinstückigem gut, insbesondere von zerkleinerten kunststoffabfällen |
CN105180611A (zh) * | 2015-07-21 | 2015-12-23 | 安徽江威精密制造有限公司 | 甩干机 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR330215A (fr) * | 1903-03-13 | 1903-08-14 | Joseph Greenslade | Perfectionnements aux appareils propres au séchage, au nettoyage ou au traitement du grain, de la farine, etc. |
CH385599A (de) * | 1961-06-01 | 1964-12-15 | Buehler Ag Geb | Austragsvorrichtung aus einer Zentrifugaltrockenkolonne für Getreidewaschmaschine |
US3454163A (en) * | 1967-04-14 | 1969-07-08 | Ivan Jay Read | Method of separating solids from liquids |
AT305212B (de) * | 1970-08-07 | 1973-02-12 | Buss Ag | Zerstäubungstrockner |
DE2850584A1 (de) * | 1978-11-22 | 1980-06-04 | Karl Heinz Wenz Kg | Vorrichtung zum entwaessern und trocknen von schuettgut, insbesondere zerkleinerten kunststoffabfaellen |
DE3120792A1 (de) * | 1981-05-25 | 1982-12-09 | Alu Plast Aluminium-Plastik Recycling GmbH, 5440 Mayen | "granulat trockner" |
US4565015A (en) * | 1983-07-27 | 1986-01-21 | Gala Industries, Inc. | Centrifugal pellet dryer |
DE8801215U1 (de) * | 1988-02-02 | 1988-03-10 | Chen, Wan-Ho, Changhua | Wasserabscheider |
DE4106248A1 (de) * | 1991-02-28 | 1992-09-03 | Werner & Pfleiderer | Zentrifugaltrockner zur trennung von oberflaechenwasser von kunststoffgranulat |
DE4338030C1 (de) * | 1993-11-08 | 1994-11-24 | Werner & Pfleiderer | Granulattrockner für abrasive und schlagempfindliche Kunststoffgranulate |
US5611150A (en) * | 1996-05-23 | 1997-03-18 | The Conair Group, Inc. | Centrifugal pellet dryer |
AT3109U1 (de) * | 1998-08-21 | 1999-10-25 | Anglberger Herbert | Reinigungs- und/oder trocknungseinrichtung für teile, insbesondere für kunststoffpartikel |
-
1999
- 1999-10-08 AT AT0171499A patent/AT408525B/de not_active IP Right Cessation
-
2000
- 2000-10-03 AT AT00890295T patent/ATE275259T1/de active
- 2000-10-03 DE DE50007603T patent/DE50007603D1/de not_active Expired - Fee Related
- 2000-10-03 EP EP00890295A patent/EP1091183B1/de not_active Expired - Lifetime
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR330215A (fr) * | 1903-03-13 | 1903-08-14 | Joseph Greenslade | Perfectionnements aux appareils propres au séchage, au nettoyage ou au traitement du grain, de la farine, etc. |
CH385599A (de) * | 1961-06-01 | 1964-12-15 | Buehler Ag Geb | Austragsvorrichtung aus einer Zentrifugaltrockenkolonne für Getreidewaschmaschine |
US3454163A (en) * | 1967-04-14 | 1969-07-08 | Ivan Jay Read | Method of separating solids from liquids |
AT305212B (de) * | 1970-08-07 | 1973-02-12 | Buss Ag | Zerstäubungstrockner |
DE2850584A1 (de) * | 1978-11-22 | 1980-06-04 | Karl Heinz Wenz Kg | Vorrichtung zum entwaessern und trocknen von schuettgut, insbesondere zerkleinerten kunststoffabfaellen |
DE3120792A1 (de) * | 1981-05-25 | 1982-12-09 | Alu Plast Aluminium-Plastik Recycling GmbH, 5440 Mayen | "granulat trockner" |
US4565015A (en) * | 1983-07-27 | 1986-01-21 | Gala Industries, Inc. | Centrifugal pellet dryer |
DE8801215U1 (de) * | 1988-02-02 | 1988-03-10 | Chen, Wan-Ho, Changhua | Wasserabscheider |
DE4106248A1 (de) * | 1991-02-28 | 1992-09-03 | Werner & Pfleiderer | Zentrifugaltrockner zur trennung von oberflaechenwasser von kunststoffgranulat |
DE4338030C1 (de) * | 1993-11-08 | 1994-11-24 | Werner & Pfleiderer | Granulattrockner für abrasive und schlagempfindliche Kunststoffgranulate |
US5611150A (en) * | 1996-05-23 | 1997-03-18 | The Conair Group, Inc. | Centrifugal pellet dryer |
AT3109U1 (de) * | 1998-08-21 | 1999-10-25 | Anglberger Herbert | Reinigungs- und/oder trocknungseinrichtung für teile, insbesondere für kunststoffpartikel |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106079150A (zh) * | 2016-06-30 | 2016-11-09 | 重庆浩立塑胶有限公司 | 送料选料装置 |
CN111141118A (zh) * | 2019-12-30 | 2020-05-12 | 李方光 | 一种中药饮片切制成型后加工装置 |
CN111141118B (zh) * | 2019-12-30 | 2021-03-23 | 安徽普仁中药饮片有限公司 | 一种中药饮片切制成型后加工装置 |
EP3992561A1 (de) * | 2020-10-27 | 2022-05-04 | G. Larsson Starch Technology AB | Schnelltrockner zum trocknen eines produkts und verfahren zum trocknen eines produkts in einem schnelltrockner |
WO2022090216A1 (en) * | 2020-10-27 | 2022-05-05 | G. Larsson Starch Technology Ab | A flash dryer for drying a product and a method for drying a product in a flash dryer |
Also Published As
Publication number | Publication date |
---|---|
EP1091183B1 (de) | 2004-09-01 |
ATE275259T1 (de) | 2004-09-15 |
ATA171499A (de) | 2001-05-15 |
DE50007603D1 (de) | 2004-10-07 |
AT408525B (de) | 2001-12-27 |
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