EP3548820A1 - Vorrichtung zur trocknung von granulatkörnern - Google Patents
Vorrichtung zur trocknung von granulatkörnernInfo
- Publication number
- EP3548820A1 EP3548820A1 EP17797048.0A EP17797048A EP3548820A1 EP 3548820 A1 EP3548820 A1 EP 3548820A1 EP 17797048 A EP17797048 A EP 17797048A EP 3548820 A1 EP3548820 A1 EP 3548820A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- granules
- bores
- granulatkömer
- process fluid
- 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.)
- Withdrawn
Links
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
- F26B17/18—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
- F26B17/22—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 vertical or steeply inclined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
-
- 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
- F26B17/24—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by shooting or throwing the materials, e.g. after which the materials are subject to impact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/006—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects the gas supply or exhaust being effected through hollow spaces or cores in the materials or objects, e.g. tubes, pipes, bottles
- F26B21/007—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects the gas supply or exhaust being effected through hollow spaces or cores in the materials or objects, e.g. tubes, pipes, bottles the objects being bobbin- or spool-like bodies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/08—Granular materials
Definitions
- the invention relates to a device for drying Granulatmömern, e.g. a plastic material having a housing with a granule process fluid inlet, a granulator outlet and a fluid outlet, wherein in the housing a rotatable rotor is arranged with rotor blades arranged thereon, which granules and a process fluid, preferably water, respectively imprinting a direction of movement, so that the process fluid in which the Granulatkömer originally are, there from the Granulatkömern in a Fluidab2020 Scheme with at least one at least partially surrounding the rotor outer sieve with sieve openings having a size smaller than the Granulatkömer, by passing from a Siebvorderseite a Siebrückseite is separable, according to the preamble of claim 1.
- a device for drying Granulatmömern e.g. a plastic material having a housing with a granule process fluid inlet, a granulator outlet and
- European Patent Application EP 0 653 277 A2 describes a granulate dryer for abrasive and impact-sensitive plastic granules, in which moist air is additionally sucked off through the screen basket there as well as through bores introduced into the rotor there.
- German Offenlegungsschrift DE 10 2007 040 135 A1 shows a centrifugal dryer with conical sieve and rotor blade arrangement.
- This object is achieved according fiction, with a device for drying Granulatkömem with the features of claim 1.
- Preferred embodiments of the invention are defined in the subclaims.
- the invention fiction device for drying Granulatkömem comprises a housing and a movement Aufgargungs worn therein, which the Granulatkömem and a process fluid locally locally imparts a different direction of movement, so that the process fluid, in which the Granulatkömer originally located there, d , H. in the housing, can be separated from the Granulatkömem in a drainage area with at least one sieve with sieve openings having a size smaller than the Granulatkömer by passage from a Siebvorderseite to a Siebrückseite.
- Siebvorderseite or Siebrückseite thereby designate the two sides of the screen surface, namely the side on which the screenings remain, or the back of the screen surface, in the region of the process fluid and the objects, d.
- the device according to the invention has a design of the rotor blades, in which the rotor blades are arranged at least partially helically on the rotor shaft and at least partially have an outer contour which corresponds to the inner contour of the screen. That is, in the installed position, the corresponding rotor blades with their outer contours, i. arranged with the respective outer edges, each in the local area with a predetermined distance from the inner contour of the screen spaced, to improve the transport of Granulatgromer the corresponding rotor blades are designed according to the invention helical.
- the outer design of the rotor blades can thus be carried out in a structurally simple way for an effective transport of Granulatkömer with an effective separation of Granulatkömem and process fluid, at the same time the operation of the thus designed drying device is improved to the effect that the tendency of Granulatkömem itself can be avoided in the area of the rotor to clump.
- the helically arranged rotor blades in the installation position of the rotor shaft from bottom to top can have an altered, particularly preferably a helix pitch which is continuously changed over the height.
- the residence time and the imprinted movement components can be influenced correspondingly at the respective locations.
- the rotor preferably has a hollow rotor shaft with rotor bores, which are arranged at least in sections in the hollow rotor shaft.
- Invention is according to in addition, a fan coaxially mounted on the rotor shaft so that by means of the fan air over the Granulatkömerauslass and the rotor bores into the interior of the hollow rotor shaft is sucked and can be discharged via a Lüfterradluftauslass from the housing.
- the rotor bores can literally be understood as bores, as punched-out parts or as openings which are otherwise introduced in the rotor shaft as part of a production process.
- the aspirated air can be aspirated on the one hand, as claimed, on the Granulatgromerauslass, but possibly also on other openings in the dryer housing.
- the device according to the invention with the corresponding technical features uses the impressed forces or force components on the Granulatkömer or the process fluid, impressed by the rotor with the rotor blades, thereby forcing a movement of Granulatkömer or the process fluid in the direction of the Enticass mecanicssiebötechnischen forcibly, so that the Granulatkömer certain size or the process fluid are separated by the passage through the corresponding sieve openings.
- the force component used in this case can be a centrifugal force component, which centrifugally moves the process fluid or granules in an otherwise impressed curve movement, in particular a helical movement, namely by the rotor with the rotor blades.
- the additional fan is preferably countercurrently an additional air flow in the drying device according to the invention imprinted so that a drainage or separation of Granulatkömem and process fluid can be particularly simple and reliable.
- the integration of an additional fan coaxially mounted on the rotor shaft results in a structurally simple measure, which in particular can avoid additional storage fiction, according to.
- envelopes of the outer contour of the rotor blades and the inner contour of the sieve have a coaxial arrangement, i. they are axially uniformly far away from one another in the respective region, and according to the invention the internal envelope of the rotor blades is radially spaced from the outer envelope of the sieve by four to twenty times the average diameter of the granules.
- the rotor blades and the sieve at least partially in the installed position in the fiction, ate-like device from top to bottom in the vertical cross section thereof seen a conically tapered course. That is, in cross section the radial diameter of the rotor with the attached rotor blades and the surrounding screen are made increasingly increasing from bottom to top in diameter. This allows a particularly efficient dewatering and at the same time allows a largely additionally improved avoidance of the tendency to agglomerate in the upper area already substantially freed from the process fluid Granulatgromer.
- rotor and the fan are attached to each other so that they are rotatable at the same speed.
- the rotor and the fan wheel can be screwed together, be welded to each other, or be connected to each other in any other way.
- the rotor bores are preferably arranged at least in a central region of the rotor.
- the rotor bores at least in the central region of the rotor, a diameter in the range of 0.25 to 0.4 times the inner diameter having the hollow rotor shaft.
- a particularly strong air flow can be realized by the arrangement according to the invention.
- the arrangement of the rotor bores can be designed so that at least in the lower or upper region of the rotor, these have a diameter in the range of 0.5 to 2 times the diameter of the Granulatspringmer to improve the cross-flow component of the invention.
- a diameter of the rotor bores in the range of 0.5 to 2 times the diameter of the granules corresponds to a much smaller diameter compared to 0.25 to 0.4 times the inner diameter of the hollow rotor shaft.
- the rotor bores are substantially larger in the middle region of the hollow rotor shaft of the rotor than in the upper or lower region of the rotor.
- the rotor can be removed according to the invention preferably together with the fan from the mounting position upwards out of the housing.
- Fig. 1 is a schematic view of an apparatus for drying Granulatkömern according to an embodiment of the invention
- Fig. 2 is a schematic longitudinal sectional view of the apparatus for drying Granulatkörnem of Fig. 1;
- Fig. 3 is a schematic view of the rotor and Lüfterradanowski the apparatus for drying Granulatkömern of Figures 1 and 2.
- FIG. 4 is a schematic longitudinal sectional view of the rotor and fan assembly of FIG. 3.
- FIG. 4 is a schematic longitudinal sectional view of the rotor and fan assembly of FIG. 3.
- FIG. 1 shows a schematic view of an apparatus for drying granular grains according to an embodiment of the invention.
- the device according to the invention comprises a housing 1 with a Granulatkömer process fluid inlet 6, a Granulatkömer- outlet 7 and a fluid outlet (not shown in the figures).
- the interior of the invention Device can, as will be described later, by lifting the upper part of the invention fiction, device (shown in Figure 1 by the double arrow in the upper area) are taken upwards out of the housing 1 of the device.
- FIG. 2 shows a schematic longitudinal sectional view of the device for drying granules of FIG. 1.
- a rotatable rotor 2 is arranged therein, with rotor blades arranged therein, which impart a direction of movement to the granules and to a process fluid, so that the process fluid in which the granules are still originally located there in the area of rotation of the rotor Granulatkömem in Fluidab Hyundai Scheme by means of a rotor at least partially outside surrounding sieve with sieve openings 5 having a size smaller than the granules, by means of passage from the Siebvorderseite to Siebrückseite are separable.
- the rotor 2 has a hollow rotor shaft 9, in which rotor bores 10 are formed at least in sections.
- the rotor bores 10 in the central region of the rotor shaft 9 are larger than the rotor bores 10 in the upper or lower region of the rotor shaft 9.
- the air path is shown in the fiction, a device like fiction.
- the path of the granules in the fiction, ate-like device is shown.
- the Granulatkömer revitalizfluidgemisch is supplied there in the lower region of the housing 1 and guided by rotation of the rotor and the correspondingly arranged rotor blades 3 on the rotor with a direction of movement upward, wherein the rotation of the rotor, the process fluid under the influence of this rotation radially to is externally pressed through the screen 4 with screen openings 5 and then discharged via the process fluid outlet (in the figures as I said not) from the housing.
- the fan wheel mounted coaxially on the rotor shaft 9 air is sucked into the interior of the hollow rotor shaft 9 via the granule chamber outlet 7 and the rotor bores 10 and discharged from the housing via a fan wheel air outlet 8.
- openings are provided for the outer region of the fan wheel in the upper region of the hollow rotor shaft.
- the fan and the rotor are rotatably driven by a common motor 12 at the same speed.
- the rotor 2 can be removed together with the fan 11 from the mounting position upwards out of the housing 1.
- the rotor blades 3 are arranged at least partially helically on the rotor shaft 9 and have at least partially an outer contour in the region of its outer edge, which corresponds to the inner contour of the screen at the respective location. That is, in the illustration of Figure 2 that the respective outer edges of the individual rotor blades at a constant distance to the inside of the wire 4.
- envelopes of the outer contour of the rotor blades and the inner contour of the screen are arranged coaxially and the inner envelope of the respective rotor blades has a radial distance from the outer envelope of the screen, namely in the region of about 5 times the average diameter shown in FIG with such a device from the process fluid to be separated Granulatgromer.
- the rotor blades 3 and the sieve 4 have a conically tapering profile at least in sections in the installed position from top to bottom in the vertical cross section.
- the rotor bores 10 are larger in the middle region of the rotor 2, namely approximately in the region of 0.3 times the inside diameter of the hollow rotor shaft.
- the rotor bores are made with a much smaller diameter, namely about 1.5 times the diameter of the Granulatspringmer.
- FIG. 3 shows a schematic view of the rotor and fan assembly of the apparatus for drying Granula tgromem of Figure 1 and 2.
- the fan 11 and the rotor 2 are fixedly attached to each other.
- the hollow rotor shaft 9 has in particular in the central region rotor bores 10 and the fiction, designed according to the rotor blades 3 are arranged at least partially helically on the rotor shaft 9. In this case, the pitch of the helix increases from below in FIG. 3 upwards in FIG. 3, whereby a different flow component can be imparted to the granular grains in the respective area.
- FIG. 4 shows a schematic longitudinal sectional view of the rotor and fan assembly of Figure 3. It can be seen in particular that in the upper and lower portions of the hollow rotor shaft 9 arranged rotor bores 10 have substantially smaller diameter than the rotor bores 10 in the central region of the hollow rotor shaft. 9
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)
- Drying Of Solid Materials (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202016006421.6U DE202016006421U1 (de) | 2016-10-17 | 2016-10-17 | Vorrichtung zur Trocknung von Granulatkörnern |
PCT/EP2017/001212 WO2018072870A1 (de) | 2016-10-17 | 2017-10-16 | Vorrichtung zur trocknung von granulatkörnern |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3548820A1 true EP3548820A1 (de) | 2019-10-09 |
Family
ID=57395044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17797048.0A Withdrawn EP3548820A1 (de) | 2016-10-17 | 2017-10-16 | Vorrichtung zur trocknung von granulatkörnern |
Country Status (8)
Country | Link |
---|---|
US (1) | US20190242648A1 (de) |
EP (1) | EP3548820A1 (de) |
JP (1) | JP2019532251A (de) |
KR (1) | KR20190071703A (de) |
CN (1) | CN109923361A (de) |
DE (1) | DE202016006421U1 (de) |
TW (1) | TW201817571A (de) |
WO (1) | WO2018072870A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3480542A1 (de) * | 2017-11-03 | 2019-05-08 | Nordson Corporation | Trennvorrichtung zum trennen eines gemisches aus einem festen stoff und einem fluid |
CN110094951A (zh) * | 2019-04-30 | 2019-08-06 | 赣州市钜磁科技有限公司 | 一种钕铁硼磁体用粉末干燥装置 |
CN112794614B (zh) * | 2020-12-18 | 2022-09-13 | 浙江三联环保科技股份有限公司 | 一种污泥干化装置 |
CN114111236A (zh) * | 2021-11-22 | 2022-03-01 | 丘立权 | 一种橡塑加工用挤压式多级脱水装置及其实施方法 |
CN115096063B (zh) * | 2022-05-25 | 2023-06-02 | 广州市通四海生物科技有限公司 | 一种酒厂废弃物资源再利用流水生产线及控制方法 |
CN116379727A (zh) * | 2023-04-28 | 2023-07-04 | 安徽天安生物科技股份有限公司 | 一种固体过氧化氢制备用粉末干燥设备 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4565015A (en) * | 1983-07-27 | 1986-01-21 | Gala Industries, Inc. | Centrifugal pellet dryer |
DE4133642C1 (de) * | 1991-10-11 | 1993-02-25 | Alb. Klein Gmbh & Co. Kg, 5241 Niederfischbach, De | |
DE4338030C1 (de) | 1993-11-08 | 1994-11-24 | Werner & Pfleiderer | Granulattrockner für abrasive und schlagempfindliche Kunststoffgranulate |
US6237244B1 (en) * | 1998-10-19 | 2001-05-29 | Gala Industries, Inc. | Centrifugal pellet dryer for small applications |
US7171762B2 (en) * | 2004-10-19 | 2007-02-06 | Gala Industries, Inc. | Self-cleaning centrifugal pellet dryer and method thereof |
ATE532615T1 (de) * | 2006-09-20 | 2011-11-15 | Econ Maschb Und Steuerungstechnik Gmbh | Vorrichtung zum entwässern und trocknen von feststoffen, insbesondere von unterwassergranulierten kunststoffen |
DE102007040135A1 (de) | 2007-08-24 | 2009-02-26 | Bkg Bruckmann & Kreyenborg Granuliertechnik Gmbh | Verfahren zur Herstellung von Polyester-Granulaten aus hochviskosen Polyester-Schmelzen sowie Vorrichtung zur Herstellung der Polyester-Granulate |
DE102010034119A1 (de) * | 2010-08-12 | 2012-02-16 | Automatik Plastics Machinery Gmbh | Vorrichtung zur Trocknung von Granulatkörnern |
CN103925783B (zh) * | 2014-04-29 | 2016-01-20 | 杭州诺通实业有限公司 | 直立式废塑料脱水装置 |
-
2016
- 2016-10-17 DE DE202016006421.6U patent/DE202016006421U1/de active Active
-
2017
- 2017-10-16 WO PCT/EP2017/001212 patent/WO2018072870A1/de unknown
- 2017-10-16 EP EP17797048.0A patent/EP3548820A1/de not_active Withdrawn
- 2017-10-16 KR KR1020197010914A patent/KR20190071703A/ko not_active Application Discontinuation
- 2017-10-16 JP JP2019541851A patent/JP2019532251A/ja active Pending
- 2017-10-16 CN CN201780064200.5A patent/CN109923361A/zh active Pending
- 2017-10-17 TW TW106135466A patent/TW201817571A/zh unknown
-
2019
- 2019-04-17 US US16/386,798 patent/US20190242648A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2019532251A (ja) | 2019-11-07 |
KR20190071703A (ko) | 2019-06-24 |
TW201817571A (zh) | 2018-05-16 |
US20190242648A1 (en) | 2019-08-08 |
WO2018072870A1 (de) | 2018-04-26 |
DE202016006421U1 (de) | 2016-11-07 |
CN109923361A (zh) | 2019-06-21 |
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