EP2505272B1 - Mobiler Sichter - Google Patents

Mobiler Sichter Download PDF

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Publication number
EP2505272B1
EP2505272B1 EP12160901.0A EP12160901A EP2505272B1 EP 2505272 B1 EP2505272 B1 EP 2505272B1 EP 12160901 A EP12160901 A EP 12160901A EP 2505272 B1 EP2505272 B1 EP 2505272B1
Authority
EP
European Patent Office
Prior art keywords
classifier
flap
granules
air
docking
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.)
Not-in-force
Application number
EP12160901.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2505272A1 (de
Inventor
Herbert Ungerechts
Hans-Jörg Frank
Dieter Scholten
Jürgen Janssen
Markus Hagedorn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Intellectual Property GmbH
Original Assignee
Bayer Intellectual Property GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer Intellectual Property GmbH filed Critical Bayer Intellectual Property GmbH
Priority to EP12160901.0A priority Critical patent/EP2505272B1/de
Publication of EP2505272A1 publication Critical patent/EP2505272A1/de
Application granted granted Critical
Publication of EP2505272B1 publication Critical patent/EP2505272B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
    • B07B4/025—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall the material being slingered or fled out horizontally before falling, e.g. by dispersing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06—Feeding or discharging arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/08—Cleaning arrangements

Definitions

  • the invention relates to a mobile sifter with docking devices, rinsing devices and control for dedusting a granulate, in particular a plastic granulate, preferably polycarbonate granules.
  • a mobile sifter that can be set up at different locations below silos.
  • the mobile classifier is technically connected to stationary piping, filters and fans.
  • thermoplastics in the reactor granular product is plasticized in an extruder and formed into individual strands, which are cut into granules by means of a knife rotating in the granulating.
  • the granulation can be carried out, for example, in a liquid stream.
  • the granules are dried and sieved to deposit agglomerates formed despite cooling.
  • the product is conveyed pneumatically to a mixing silo from which the product is then filled and packaged. With the removal from the mixing silo, a mixture (homogenization) of the product takes place due to the silo design and the filling strategy.
  • the granules are subjected to dedusting by air classification by means of a classifier (Dedusters) depending on the dust content before the filling or packaging process.
  • a classifier Dedusters
  • Classifiers are known per se and, for example, in US 5,035,331 . US 6,595,369 US 7,380,670 and US 7,621,975 described. However, these disclosures are only concerned with increasing the efficiency of stationary classifiers (better dedusting) and disregard the handling of the classifier itself, and optionally its washability to avoid contamination by dust and granules from a previous dedusting process of other granules containing the current product contaminate the dedusting in the classifier.
  • a mobile classifier is from the document JP-A-2005-324 170 known.
  • the task of providing a sifter, with the aid of granules can be dedusted, the sifter is not stationary in one place, but can be used in a mobile plant for various operations.
  • the device is to be designed so that an ergonomic docking of the device to the silo outlets is possible.
  • Another requirement is to design the device operation so that the setting of the individual operating parameters is safe and user-friendly due to the numerous different conveyer locations.
  • a further object of the invention was to provide a sifter which, after completion of the dedusting operation, is substantially free of residual quantities of the granules previously conveyed therein and which can easily and safely be removed from any granular residues still present in the sifter by rinsing with e.g. Water and / or compressed air can be cleaned, so that contamination with subsequent granulate lots can be excluded with certainty.
  • a sifter which, after completion of the dedusting operation, is substantially free of residual quantities of the granules previously conveyed therein and which can easily and safely be removed from any granular residues still present in the sifter by rinsing with e.g. Water and / or compressed air can be cleaned, so that contamination with subsequent granulate lots can be excluded with certainty.
  • Contamination in this application refers to a very wide range of foreign powdery materials as well as crushed granules and the remaining granules after a product change.
  • the incorporation of such foreign materials into plastics, especially those registered in high-grade polycarbonates, can have a devastating effect on the final product, which can be e.g. characterized by very narrow specifications in terms of optical or mechanical properties.
  • a local control unit (16) for the Zu Kunststoffmengenregelung and reformer arthritis provided.
  • the working platform (2) with ladder serves for docking on the silo outlet (17), for connecting the exhaust air line (14), for inserting the coded plug (18) and for cleaning the sifter.
  • an automatic location detection based on a coded E-connector (18) per silo, which is mounted on the sifter when docking the classifier from the silo outlet allows.
  • the silo is identified and together with a parameter table stored in the program, the controller determines the required fan parameters in the case of manual preselection of the granule type. So that no product can inadvertently get out of the silo, a release for the screening process with granules is monitored by this silo site identification and by the occupancy of the initiators (19) at the silo outlet (17) or at the telescopic pipe outlet (10/11).
  • the data transfer between the local controller and the higher-level central controller preferably takes place via a wireless network (WLAN).
  • WLAN wireless network
  • all product-contacting components are structurally dead-space-free. This avoids cross-contamination.
  • the system cleaning is preferably carried out with water and compressed air rinses.
  • the basis for effective cleaning is the constructive implementation of dead-space-free components as well as flushing water drains.
  • the flap (20) is closed in the supply air pipe during rinsing, so that no foreign granules can settle there.
  • the flap is preferably monitored in the closed state with an initiator. The sifter can only be switched on when the door is open. This ensures that the supply air is available for a functioning classifier process.
  • the drying process is preferably carried out by dry blowing with compressed air.
  • the granulate inflow quantity can be stopped by a shut-off flap (6), so that excessive sifter flow rates or, if appropriate, granulate quantity accumulations in the sifter are avoided.
  • the sifter feed rate is controlled by closing the shut-off flap (6) through the filling quantity monitoring in the original (8). Only when there is sufficient flow, the flap is opened and the sifter inlet is free again.
  • Transportable, ie independently movable drives that can be decoupled from the transported goods have the advantage that they can be used for different transport tasks.
  • This so-called small tractor or movers (21) can be connected with a hoist incl.
  • Two adaptation boom (22) to the frame of the classifier form and frictionally.
  • the operator can accelerate, decelerate and steer the sifter via a powered steerable ground wheel of the mover, as in Fig. 2 shown.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Cyclones (AREA)
EP12160901.0A 2011-03-30 2012-03-23 Mobiler Sichter Not-in-force EP2505272B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12160901.0A EP2505272B1 (de) 2011-03-30 2012-03-23 Mobiler Sichter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11160512 2011-03-30
EP12160901.0A EP2505272B1 (de) 2011-03-30 2012-03-23 Mobiler Sichter

Publications (2)

Publication Number Publication Date
EP2505272A1 EP2505272A1 (de) 2012-10-03
EP2505272B1 true EP2505272B1 (de) 2014-06-04

Family

ID=44351703

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12160901.0A Not-in-force EP2505272B1 (de) 2011-03-30 2012-03-23 Mobiler Sichter

Country Status (6)

Country Link
US (1) US8783465B2 (enrdf_load_stackoverflow)
EP (1) EP2505272B1 (enrdf_load_stackoverflow)
CN (1) CN102728549B (enrdf_load_stackoverflow)
ES (1) ES2485917T3 (enrdf_load_stackoverflow)
IN (1) IN2012DE00853A (enrdf_load_stackoverflow)
RU (1) RU2012111697A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2505521B1 (de) * 2011-03-30 2015-01-07 Bayer Intellectual Property GmbH Fördereinrichtung für pulverförmiges und/oder granuliertes Gut sowie Gemische dieses Gutes mit Flüssigkeiten
US9038676B2 (en) * 2011-03-30 2015-05-26 Bayer Materialscience Ag Conveying device for powdery and/or granulated material
DE102013003113B4 (de) 2013-02-25 2016-05-12 Pelletron Corp. Autonom arbeitender mobiler Sichter
CN103143504B (zh) * 2013-03-07 2015-08-19 红塔烟草(集团)有限责任公司 一种风压式双仓风分器
DE102013008310B4 (de) 2013-05-15 2017-05-04 Pelletron Corp. Autonom arbeitender mobiler Sichter mit nachgeschalteter Abfüllanlage von Gebinden
DE102013011376B4 (de) 2013-07-09 2019-01-31 Pelletron Corp. Mobiler Sichter mit nachgeschalteter Befüllanlage von Kesselfahrzeugen oder Containern
US10363579B2 (en) * 2014-08-29 2019-07-30 Crary Industries, Inc. Apparatus for separating usable crop from intermixed debris
JP2023550289A (ja) * 2020-11-17 2023-12-01 北京濾分環保技術有限責任公司 強磁石で粒子を加速することによる材料清浄方法及びその用途
CN118405357B (zh) * 2024-07-01 2024-09-13 常州市开普顿精密机械有限公司 一种粒子物料集成储运箱装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842461A (en) * 1973-05-15 1974-10-22 Walkee Vacuum Services Ltd Industrial vacuum apparatus
US5035331A (en) 1989-08-14 1991-07-30 Paulson Jerome I Method and apparatus for removing dust and debris from particulate product
DE4319095C2 (de) * 1993-06-08 1995-04-20 Siemens Ag Vorrichtung zur Dekontamination einer radioaktiv kontaminierten Oberfläche
US6595369B2 (en) 2001-08-16 2003-07-22 Jerome I. Paulson Particulate material dedusting apparatus
DE10308707A1 (de) * 2003-02-28 2004-09-09 Motan Materials Handling Gmbh Granulatstrom-Aufteiler für Gegenstromsichter
US6951285B1 (en) * 2003-07-17 2005-10-04 Anderson Dean R Air suspension grain cleaner system
JP2005324170A (ja) * 2004-05-17 2005-11-24 Kissei Pharmaceut Co Ltd 振動篩装置及びその運転方法
WO2006011199A1 (ja) * 2004-07-27 2006-02-02 Yanmar Co., Ltd. 穀物選別装置
CN2748191Y (zh) * 2004-11-25 2005-12-28 海城北方环保矿山机械有限公司 组合式选粉机
US7278804B2 (en) * 2005-10-07 2007-10-09 Hi-Plains Trading Company Methods and systems for delivering lost circulation material into drilling pits
KR101223391B1 (ko) * 2006-02-24 2013-01-16 다이헤이요 세멘토 가부시키가이샤 원심식 공기분급기
US7621975B2 (en) * 2006-05-25 2009-11-24 Pelletron Corporation Compact deduster with cyclonic air recycling
US7380670B2 (en) 2006-06-16 2008-06-03 Pelletron Corporation Compact dedusting apparatus
EP2424684A4 (en) * 2009-04-28 2014-03-19 Mtd America Ltd Llc APPARATUS AND METHOD FOR SEPARATING MATERIALS BY MEANS OF AIR
CN201529579U (zh) * 2009-10-14 2010-07-21 海安县商业学校 一种自分流式微粉分级机
US8491686B2 (en) * 2010-02-19 2013-07-23 Oneida Air Systems, Inc. Cyclonic dust collector with clamp-raised dust barrel
CN201752701U (zh) * 2010-07-30 2011-03-02 安徽协和成药业饮片有限公司 移动式风选机
US9415421B2 (en) * 2010-11-16 2016-08-16 Nisshin Seifun Group Inc. Powder classifying device
IN2012DE00856A (enrdf_load_stackoverflow) * 2011-03-30 2015-08-28 Bayer Materialscience Ag
IN2012DE00852A (enrdf_load_stackoverflow) * 2011-03-30 2015-08-28 Bayer Materialscience Ag
US9038676B2 (en) * 2011-03-30 2015-05-26 Bayer Materialscience Ag Conveying device for powdery and/or granulated material
US8813967B2 (en) * 2012-05-02 2014-08-26 Alstom Technology Ltd Adjustable mill classifier

Also Published As

Publication number Publication date
CN102728549A (zh) 2012-10-17
US8783465B2 (en) 2014-07-22
ES2485917T3 (es) 2014-08-14
EP2505272A1 (de) 2012-10-03
IN2012DE00853A (enrdf_load_stackoverflow) 2015-08-28
RU2012111697A (ru) 2013-10-10
CN102728549B (zh) 2016-12-14
US20120248012A1 (en) 2012-10-04

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