EP2239051B1 - Dispositif de traitement pour produits en vrac - Google Patents

Dispositif de traitement pour produits en vrac Download PDF

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Publication number
EP2239051B1
EP2239051B1 EP10158310A EP10158310A EP2239051B1 EP 2239051 B1 EP2239051 B1 EP 2239051B1 EP 10158310 A EP10158310 A EP 10158310A EP 10158310 A EP10158310 A EP 10158310A EP 2239051 B1 EP2239051 B1 EP 2239051B1
Authority
EP
European Patent Office
Prior art keywords
air
mixing
conveying
bulk material
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.)
Not-in-force
Application number
EP10158310A
Other languages
German (de)
English (en)
Other versions
EP2239051A1 (fr
Inventor
Michael Zlotos
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.)
Mann and Hummel GmbH
Original Assignee
Mann and Hummel 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 Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Publication of EP2239051A1 publication Critical patent/EP2239051A1/fr
Application granted granted Critical
Publication of EP2239051B1 publication Critical patent/EP2239051B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/60—Mixing solids with solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/405—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles having guiding conduits therein, e.g. for feeding the gas to the bottom of the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/805—Mixing plants; Combinations of mixers for granular material
    • B01F33/8051—Mixing plants; Combinations of mixers for granular material with several silos arranged in a row or around a central delivery point, e.g. provided with proportioning means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
    • B01F35/187—Preventing generation of dust or dirt; Sieves; Filters using filters in mixers, e.g. during venting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
    • B01F35/188—Preventing generation of dust or dirt; Sieves; Filters using sieves in mixers for purposes other than mixing, e.g. eliminating dust during venting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/718—Feed mechanisms characterised by the means for feeding the components to the mixer using vacuum, under pressure in a closed receptacle or circuit system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/2805—Mixing plastics, polymer material ingredients, monomers or oligomers

Definitions

  • the invention relates to a processing device for bulk material.
  • a device and a method for conveying and mixing of bulk material are known.
  • a downwardly tapered container is provided with a bottom closure plate in which a suction conveyor fan located outside the container creates a negative pressure in the container.
  • a conveyor pipe system to be conveyed bulk material is supplied.
  • at least two delivery pipes are provided within the delivery pipe system, each having a delivery valve.
  • the EP 0997 184 A1 and the DE 197 43 481 A1 are devices for conveying and mixing of bulk material known with a material inlet pipe, which is surrounded with an outer tube, so that between the material inlet pipe and the outer tube, a flow of material is effected.
  • the EP 2 003 075 A1 shows a technical system for pneumatic transport of granules, which has a control to keep the speed of material transport in pipelines at low pressure constant.
  • the invention has for its object to avoid the disadvantages mentioned and to provide a processing facility for bulk material, which is characterized by a simple structure and on the one hand ensures a reliable mixing of the bulk material, on the other hand, the bulk material der-art processed to ensure optimum processing in a subsequent processing machine.
  • the main advantage of the invention is that not only a thorough mixing of the bulk material takes place, but at the same time a dedusting of the bulk material is achieved.
  • a sieve in the area provided the air extraction, the corresponding openings, so that possibly contained in the mix dust escaped through these openings and can be sucked off, so that there is an additional function dedusting.
  • the supply of hot air improves the dedusting quality.
  • the material to be processed d. H.
  • the mix is either sucked directly from containers and fed to the mixing and conveying or fed from granulators or shredders of the mixing and conveying.
  • the material is whirled up and mixed.
  • unwanted fines from the material mixture dissolve and can be sucked off.
  • the degree of dedusting is determined using different screens that can be used in the mixing and conveying station.
  • Another significant advantage of the invention is that the various operations, such as conveying, dosing, mixing and dedusting, are carried out cost-effectively in one device.
  • injection molding and extrusion processes are less time-consuming, as the material is processed in parallel and very clean material is used. Due to the homogeneous mixing ratio of different material components inferior parts or even rejects are reduced and the product quality increased. Nester formation due to dust or fines is effectively prevented.
  • Another important advantage is that the existing filter systems do not clog up and that there are fewer fines in the material to be conveyed, thus ensuring a homogeneous working process.
  • this method is used in the mixing of plastic granules and feeding of plastic granules in a plastic injection molding machine.
  • a valve is provided on a delivery pipe. This valve allows air to be mixed and dedusted, allowing for time and volume control.
  • a supply air pipe for supplying air for mixing and dedusting is provided at the conveyor station.
  • This supply air pipe is equipped with a valve, with which the mixing time, d. H. the time for supplying air and at the same time the amount of air supplied, is adjustable.
  • the mixing and conveying station is provided with a bottom closure flap.
  • the mix is derived and fed, for example, a plastic injection molding machine or more generally a processing station.
  • An embodiment of the invention provides to provide a further delivery pipe for conveying a further component of the bulk material.
  • two different products of the mixing and conveying device can be supplied in parallel or successively.
  • a plastic granulate in the form of virgin material can be fed through a conveying pipe, and a plastic grinding material can be fed through a further conveying pipe.
  • the dust content is relatively high, so that the dedusting significantly improves the quality of the ground material and the quality of the entire bulk material.
  • the mixing and conveying device is arranged downstream of a vacuum generating system. This consists of a suction fan and a receptacle for the discharged dust. Between the suction fan and the receptacle, a filter in the form of a Filteretementes or a cyclone separator is provided. At this point, the dust is separated from the conveying air. Also, the dust collector has a bottom closure door to dispose of the dust accumulated therein. or derive.
  • the mixing and conveying device as a compact unit directly or indirectly on processing machines, such.
  • processing machines such as injection molding machines, blow molding or other plastic processing machines, put on.
  • the device with which the dedusting of plastic granules is used as an independent unit or as an additional dedusting system in the plastic conveying and plastics processing is also possible.
  • FIG. 1 shows a multifunction device for conveying, mixing and dedusting of plastic granulate.
  • FIG. 2 shows a schematic representation of the supply of hot air.
  • a mixing and conveying device 10 is provided, consisting of a container 11, which is provided with a bottom closure flap 12, and an outlet 13, which is arranged below the bottom closure flap.
  • the outlet 13 is connected to a plastics processing unit 14, for example a metering screw for a plastic injection molding.
  • a dosing device 40 which is schematically indicated here, can optionally be provided for dosing in additional material.
  • the container 11 has openings 15, 16, on each of which a delivery pipe 17, 18 is located.
  • the delivery pipes 17, 18 extend until each container 19, 20, in which plastic granulate is located. This plastic granulate can be virgin or regrind.
  • a sieve 21 is provided above the openings 15, 16 of the container 11, a sieve 21 is provided above the sieve a suction chamber 22 is arranged, which is in communication with a vacuum hose 23.
  • the vacuum hose 23 leads to a negative pressure generating system 24, which consists of a dust separator 25 and a vacuum blower 26.
  • the dust collector 25 is built out in the manner of a conventional vacuum cleaner, d. H. it has a dust collecting container 27 which is provided with a closure flap 28 for discharging the accumulated dust.
  • a filter cartridge 29 which separates the dust collection chamber or raw air from the clean air chamber 30.
  • the clean air space is provided with a clean air line 31.
  • On the container 11 is also an external air supply 32, consisting of a projecting into the bulk material tube 33 and the tube 33, which extends through the container 11 to the outside, final valve 34th
  • FIG. 2 shows a filing with a supply of hot air.
  • This device has a container 53 which is provided with a material inlet 41 and has a sieve 42 in the upper region. At the geodetically lower end of the container 53 is provided with an outlet valve 43, for example, this is a pneumatic slide 44.
  • a hot air supply 45 is disposed on the container 53. This feed has a heater 46.
  • an air supply valve 47 is arranged on the hot air supply 45 to additionally introduce supply air.
  • In the upper area of the container 53 is provided with an exhaust duct 54. At this exhaust duct 54 is a temperature measuring device 48 for measuring the exhaust air temperature.
  • the exhaust air line 54 leads on the left side via a valve 49 to an air exhaust 50.
  • the air there deffavoring can Be led to the outside via a dust collector, not shown here.
  • a valve 51 is provided on the right side.
  • the extracted air is fed to a central filter system 52.
  • This centrifuge system is in FIG. 1 also shown on the right side of the mixing device and well known.
  • the hot air ensures a dedusting of the bulk material or at a higher temperature for a crystallization of the swirled in the container bulk material.
  • the advantage of hot air during dedusting is that different moist material, which is located in the container, is easy and quick to dedust, that is, the dedusting time is shortened and the dedusting effect is qualitatively better.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Air Transport Of Granular Materials (AREA)

Claims (3)

  1. Dispositif de traitement pour marchandise en vrac, notamment pour le transport et le mélange d'une telle marchandise, présentant une station de mélange et de transport (10) avec un récipient (11, 53), au moins un tube de transport (17, 18) destiné à acheminer la marchandise en vrac à transporter, la station de mélange et de transport (10) étant reliée à un tuyau ou un tube à dépression et le tuyau (23) ou tube à dépression étant disposé sur un système générateur de dépression (26), de l'air étant amené pour le transport et/ou le mélange et un tamis (21) destiné à séparer la marchandise à transporter et dont les ouvertures correspondent au degré de séparation entre la marchandise mélangée et l'air étant situé à l'intérieur de la station de mélange et de transport (10), caractérisé en ce qu'un dispositif supplémentaire d'amenée d'air extérieur (32) ou un dispositif supplémentaire d'amenée d'air chaud (45) à travers lequel l'air pénètre dans la marchandise mélangée et qui entraîne un dépoussiérage de la marchandise mélangée est prévu sur le récipient (11,53), l'air se situant à une température de 40 °C à 200 °C.
  2. Dispositif de traitement selon la revendication 1, caractérisé en ce que l'air peut être amené à une température de 40 °C à 80 °C au moyen d'un dispositif supplémentaire d'amenée d'air extérieur (32) ou d'un dispositif supplémentaire d'amenée d'air chaud (45) afin de dépoussiérer la marchandise mélangée et que l'air peut être amené à une température de 120 °C à 200 °C afin de faire cristalliser la marchandise mélangée.
  3. Dispositif de traitement selon la revendication 1 ou 2, la température de l'air pouvant être contrôlée par l'intermédiaire d'un système de chauffage avec un dispositif de chauffage électrique.
EP10158310A 2009-04-01 2010-03-30 Dispositif de traitement pour produits en vrac Not-in-force EP2239051B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009015271.7A DE102009015271B4 (de) 2009-04-01 2009-04-01 Bearbeitungseinrichtung für Schüttgut

Publications (2)

Publication Number Publication Date
EP2239051A1 EP2239051A1 (fr) 2010-10-13
EP2239051B1 true EP2239051B1 (fr) 2011-11-23

Family

ID=42286748

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10158310A Not-in-force EP2239051B1 (fr) 2009-04-01 2010-03-30 Dispositif de traitement pour produits en vrac

Country Status (4)

Country Link
US (1) US20100254211A1 (fr)
EP (1) EP2239051B1 (fr)
AT (1) ATE534459T1 (fr)
DE (1) DE102009015271B4 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106179078B (zh) * 2016-08-31 2019-01-11 纳盛洁净技术（苏州）有限公司 一种上料混合设备
CN106378037A (zh) * 2016-11-18 2017-02-08 广西大学 一种支撑力度增强的现代高分子涂料加工设备
FR3095128B1 (fr) * 2019-04-18 2021-04-16 Assistance Et Service Specialise En Innovation Scient Et Technique Dispositif de préparation automatique de mélanges dosés de produits liquides ou semi-liquides
CN110642012A (zh) * 2019-08-28 2020-01-03 广东依斯特新材料有限公司 一种粉末涂料的集中配料系统
CN111644106B (zh) * 2020-07-09 2022-07-19 无锡诚智炼钢辅助材料有限公司 一种鼓风式多腔接替型粉料混合机
CN115554910B (zh) * 2022-10-31 2023-05-30 百色鑫茂新材料技术有限公司 一种负极材料制备工艺

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2401438A (en) * 1944-05-27 1946-06-04 Continental Gin Co Pneumatic material handling and drying apparatus
DE1297447B (de) * 1966-06-08 1969-06-12 Neumayer Josef Mischvorrichtung fuer pulverfoermige, faserige oder koernige Schuettgueter
DE2026337A1 (en) * 1970-05-29 1971-12-09 Fa Franz Josef Waschle, 7980 Ra vensburg Pneumatic mixing appts. - placed above helical screw feed of plastics extruder
DE2544716A1 (de) * 1975-10-07 1977-04-21 Zimmermann Azo Maschf Saugfoerderanlage
US4744155A (en) * 1986-12-22 1988-05-17 Kennedy Van Saun Corporation Apparatus for removing dust from pyroprocessed particulate material
DE4029902C2 (de) * 1990-09-21 1996-10-17 Mann & Hummel Filter Verfahren zum Fördern und Mischen von Schüttgut
DE4410087C2 (de) * 1994-03-24 1997-08-07 Mann & Hummel Filter Verschluß für ein im Unterdruck arbeitendes Fördergerät
DE19743481B4 (de) * 1997-10-01 2006-06-22 Mht Material Handling Technologies Gmbh & Co.Kg Vorrichtung zum Fördern und Mischen von Schüttgut sowie Anwendung der Vorrichtung
EP0997184A1 (fr) * 1998-10-02 2000-05-03 Mann + Hummel ProTec GmbH Dispositif pour transporter et mélanger du matériau en vrac
ATE356065T1 (de) * 2003-06-23 2007-03-15 Mann & Hummel Protec Gmbh Unterdruckbehälter mit aktiver schnellentleerungsventilsteuerung
DE102004019703A1 (de) * 2004-04-20 2006-01-12 Volkmann Gesellschaft mit beschränkter Haftung Verfahren und Vorrichtung zur Inertisierung von Vakuumförderern
ITVR20070083A1 (it) * 2007-06-12 2008-12-13 Moretto Spa Impianto per il trasporto pneumatico a velocita' controllata di materiale granulare e procedimento di controllo della velocita' di convogliamento
DE202007013754U1 (de) * 2007-10-02 2007-11-29 Wilhelm, Klaus Druckluftförderanlage für Schüttgut

Also Published As

Publication number Publication date
DE102009015271B4 (de) 2014-04-03
EP2239051A1 (fr) 2010-10-13
US20100254211A1 (en) 2010-10-07
DE102009015271A1 (de) 2010-10-07
ATE534459T1 (de) 2011-12-15

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