EP0353457A2 - Dispositif de reconnaissance et de séparation d'impuretés à partir d'un courant de matériau synthétique ou en verre - Google Patents

Dispositif de reconnaissance et de séparation d'impuretés à partir d'un courant de matériau synthétique ou en verre Download PDF

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Publication number
EP0353457A2
EP0353457A2 EP89111738A EP89111738A EP0353457A2 EP 0353457 A2 EP0353457 A2 EP 0353457A2 EP 89111738 A EP89111738 A EP 89111738A EP 89111738 A EP89111738 A EP 89111738A EP 0353457 A2 EP0353457 A2 EP 0353457A2
Authority
EP
European Patent Office
Prior art keywords
sensors
valves
material flow
assigned
blowing
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
Application number
EP89111738A
Other languages
German (de)
English (en)
Other versions
EP0353457A3 (en
EP0353457B1 (fr
Inventor
Helmuth Frisch
Manfred Artinger
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.)
S+S Metallsuchgeraete und Recyclingtechnik GmbH
Original Assignee
S+S Metallsuchgeraete und Recyclingtechnik 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 S+S Metallsuchgeraete und Recyclingtechnik GmbH filed Critical S+S Metallsuchgeraete und Recyclingtechnik GmbH
Publication of EP0353457A2 publication Critical patent/EP0353457A2/fr
Publication of EP0353457A3 publication Critical patent/EP0353457A3/de
Application granted granted Critical
Publication of EP0353457B1 publication Critical patent/EP0353457B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
    • B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
    • B07C5/366—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means during free fall of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
    • B07C2501/0036—Sorting out metallic particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
    • B07C2501/0054—Sorting of waste or refuse

Definitions

  • the invention relates to a device for detecting and separating contaminants from a plastic or glass material stream according to the preamble of the main claim.
  • a sorting device of a glass sorting system is known from DE-OS 36 18 173, which has a slide inserted between a feed device feeding the batch of glass and a discharge device leading away, at the end of which a downward slide swiveling flap is arranged. This flap is controlled by a light transmitting and receiving device arranged transversely to the transport direction of the batch of glass, ie transversely to the slide.
  • the light receiving device consists of a plurality of light converters arranged side by side.
  • the flap swings over the entire width of the chute, whereby the entire material flow lying on the flap is removed. This means that considerable glass components are excreted which could still be used. For this purpose, further separation would have to be carried out, otherwise a large amount of waste is produced, which is not desirable.
  • blowing nozzles which are arranged transversely to the material flow and are assigned to the sensors likewise each arranged transversely to the material flow and via valves from the Output signals of the sensors can be selectively controlled, contaminants that are located at a specific point with regard to the width of the material flow can be removed in a targeted manner by only controlling the blowing nozzle that is assigned to the sensor that has detected the contamination. This minimizes the proportion of the material stream that is to be recycled but is eliminated.
  • the time between detection of the contamination by the sensors and blowing out the contamination from the material flow through the blowing nozzles and the blowing time, namely the switch-on time of the valves, are adjustable, so that the device is adapted to the different conditions and to different material flows can be.
  • the material stream 1 to be examined is spread uniformly on a feed device 2, for example a conveyor belt, and distributed over its entire width.
  • the material flow consists of lumpy parts that are easy to pour. With glass, the body size should be as uniform as possible.
  • a chute 3 connects to the feed device 2, on which the material stream 1 is drawn out in length due to the acceleration due to the fall.
  • Part of the slide 3 is made of glass 4 or ceramic material, and, as shown in FIG. 1, the glass plate 4 can also be arranged separately from the slide 3.
  • a sensor arrangement 5 which consists of several sensors, the sensors extending over the entire width of the material flow 1.
  • the output signals of the sensor arrangement are forwarded to a control unit 6, which controls the solenoid valves 7 depending on the signal state.
  • the valves 7 are connected to an air accumulator and distributor 8 and actuate blow nozzles 9 which are arranged transversely to the material flow 1 in its fall line. If one of the output signals of the sensors of the sensor arrangement 5 reports a contamination 10 to the control unit 6, it controls the valve 7 assigned to the sensor, which actuates the associated blowing nozzle 9, the control unit 6 naturally taking into account the fall time of the contamination 10 from the detection point to the blowing point. As shown in FIG.
  • the impurity 10 is blown out of the material stream 1 and falls via a deflector 11 into a container 12 for the impurities, while the remaining material stream is collected and / or passed on free of impurities by a collecting device 13 .
  • the blow-out point is covered by a protective hood 14.
  • the sensor arrangement 5 in which metallic contaminations are to be detected, the sensor arrangement 5 consists of a metal detector arrangement, many small metal detectors being required for a targeted detection of the location of the metallic contamination. To rule out mutual interference, the entire system must be "single-frequency". Therefore, with a transmitter loop that extends over the entire width of the material flow 1, a high-frequency magnetic field is generated that supplies the receivers that are at a certain distance from the transmitter loop.
  • FIG. 2 shows a block diagram of the electrical arrangement with metal detector and control unit 6.
  • An oscillator 20 with a power output stage supplies the transmitter loop 21 with a continuous sinusoidal AC voltage, the frequency of which can be in the range from 1 kHz to approximately 1 MHz.
  • the transmitter loop 21 is on Trimming capacitor 22 in parallel, which together form an oscillating circuit.
  • the receiver ie the actual metal detector, consists of several independent coils, one of the coils 23 being shown in the drawing.
  • the coil 23 is constructed from two windings 24, 25 connected to one another, which are connected to a differential amplifier 26.
  • the differential amplifier 26 is followed by a rectifier 27, a low-pass filter 28, an amplifier 29 and a comparator 30.
  • the electromagnetic field generated by the transmitter loop 21 induces equally large alternating voltages in the windings 24, 25 of the coil 23, but through the connection of the coil windings, so that the difference in the normal state, ie without metallic contamination, is equal to or approximately zero.
  • the difference signal is amplified in the differential amplifier 26, rectified and filtered in the rectifier 27.
  • the amplitude of the signal which is amplified in the amplifier 29 and is a measure of the size of the metal part, is compared with a reference value, this comparison being carried out in the comparator 30, which, as soon as the amplitude of the signal exceeds the predetermined reference value, generates a digital switching signal.
  • the digital switching signal is sent to a control unit 31, which is part of the control unit 6 and controls the solenoid valves 7.
  • Various parameters can be set via a control unit (not shown), for example the sensitivity caused by changing the height the reference voltage 32, that is, given by the switching threshold of the comparator 30.
  • Another parameter, which is represented by arrow 33, is the time between detection of a metal part and its blowing out, and arrow 34 represents the possibility of setting the switch-on time of the blow valves 7.
  • the control unit 6 preferably has a microprocessor which interrogates and reads in the signals of the individual coils 23 at a defined clock frequency. After the preset delay time, the corresponding solenoid valves 7 are also actuated for the specific preset blowing time. The program also monitors the frequency with which a solenoid valve is switched on, in order to identify faults which are present, for example, when a valve is switched on continuously. The control of the valves 7 by the microprocessor takes into account the geometrical distances between the coil 23 and blow-out nozzles 9, which is compensated for by the delay time. The valves 7 are activated earlier by their reaction time.
  • the coils 23 and the valves 7 are assigned in a special way in order to achieve the smallest possible reject quantity with each blowing pulse, which is caused by a metal part in the material flow 1. This assignment is shown in Fig. 3.
  • Each coil 23 is assigned two valves 7 in the falling line, which is identified by the arrow 35, which are controlled as follows: If coil A responds, valves V1, V2 are activated; if coils A and B respond, valves V2 and V3 are activated. If coil B responds, valves V3 and V4 are activated, and if coils B and C respond, valves V4 and V5 are activated; this continues in the same way. This control ensures that only one coil width, which corresponds to two valves, is blown out.
  • metal detectors are used as sensors, since metal parts are to be removed from the material flow.
  • optoelectronic sensors can also be used as sensors, which detect both mineral contaminants such as clay or ceramic and metallic contaminants. The evaluation and control then takes place in an analogous manner.

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  • Sorting Of Articles (AREA)
EP89111738A 1988-08-05 1989-06-28 Dispositif de reconnaissance et de séparation d'impuretés à partir d'un courant de matériau synthétique ou en verre Expired - Lifetime EP0353457B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3827024A DE3827024C2 (de) 1988-08-05 1988-08-05 Vorrichtung zum Erkennen und Trennen von Verunreinigungen aus einem Kunststoff- oder Glasmaterialstrom
DE3827024 1988-08-05

Publications (3)

Publication Number Publication Date
EP0353457A2 true EP0353457A2 (fr) 1990-02-07
EP0353457A3 EP0353457A3 (en) 1990-04-18
EP0353457B1 EP0353457B1 (fr) 1994-09-07

Family

ID=6360519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89111738A Expired - Lifetime EP0353457B1 (fr) 1988-08-05 1989-06-28 Dispositif de reconnaissance et de séparation d'impuretés à partir d'un courant de matériau synthétique ou en verre

Country Status (3)

Country Link
EP (1) EP0353457B1 (fr)
DE (2) DE3827024C2 (fr)
ES (1) ES2060700T3 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0484221A2 (fr) * 1990-10-29 1992-05-06 National Recovery Technologies Inc. Procédé et dispositif de séparation de matériaux utilisant une radiation électromagnétique pénétrante
EP0555821A2 (fr) * 1992-02-12 1993-08-18 Pulsotronic Merten GmbH & Co. KG Dispositif de séparation de particules métalliques
US5273166A (en) * 1992-01-10 1993-12-28 Toyo Glass Company Limited Apparatus for sorting opaque foreign article from among transparent bodies
EP0616215A2 (fr) * 1993-03-15 1994-09-21 Binder & Co. Aktiengesellschaft Méthode et appareil pour la détermination de la purété de déchets de verre
AU654317B2 (en) * 1992-01-14 1994-11-03 Toyo Glass Company Limited Apparatus for sorting opaque foreign article from among transparent bodies
DE4323391A1 (de) * 1993-07-13 1995-01-19 Bfi Entsorgungstech Verfahren zum Aussortieren großer Gegenstände aus Materialgemischen und Vorrichtung zu seiner Durchführung
US5469973A (en) * 1991-03-14 1995-11-28 Wellman, Inc. Sorting optically different solid masses
EP0709138A3 (fr) * 1994-10-25 1996-05-15 Binder Co Ag
DE19643382A1 (de) * 1996-10-21 1998-04-30 S & S Metallsuchgeraete & Recy Verfahren und Vorrichtung zur Bestimmung des Verunreinigungsgrades von Altglas durch Stichprobenprüfung
USRE36537E (en) * 1990-10-29 2000-02-01 National Recovery Technologies, Inc. Method and apparatus for sorting materials using electromagnetic sensing
WO2001054830A1 (fr) * 2000-01-27 2001-08-02 Commodas Gmbh Dispositif et procede pour extraire des fractions metalliques d'un flux de matiere en vrac
EP1375017A1 (fr) * 2002-06-05 2004-01-02 Asahi Glass Company Ltd. Procédé de récupération des particules en verre
WO2007042139A1 (fr) 2005-10-10 2007-04-19 Oliver Gurok Dispositif de detection pour identifier des elements de matiere a transporter pouvant etre detectes par electromagnetisme et dispositif de tri dote d'un dispositif de detection de ce type
WO2013060095A1 (fr) * 2011-10-27 2013-05-02 山东博润工业技术股份有限公司 Procédé et système pour préparation de charbon à sec par retrait de gangue de charbon
EP2865456A1 (fr) * 2013-10-24 2015-04-29 Veolia Proprete Caisson d'éjection pour objets éjectés par jet d'air

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017129A1 (de) * 1990-05-28 1991-12-05 Seichter Gmbh Einrichtung zum sortieren von glasbruchstuecken
AT395545B (de) * 1990-10-04 1993-01-25 Binder Co Ag Sortiereinrichtung
DE4100346A1 (de) * 1991-01-08 1992-07-09 Preussag Ag Verfahren zur mechanischen aufbereitung von unsortiertem geraeteschrott
DE4200226A1 (de) * 1992-01-08 1993-07-15 Josef Kamps Maschine zum erkennen von farbunterschieden an einzelnen fraktionen von schnittguetern und gleichzeitiger fraktionierung
DE4415959A1 (de) * 1994-05-06 1995-11-09 Hergeth Hubert A Maschine zum Ausscheiden von metallischen Fremdteilen in einem Textilfaserstrom
DE19531427C2 (de) * 1995-08-27 2002-03-21 Thyssenkrupp Stahl Ag Verfahren und Vorrichtung zur Optimierung der Belegung eines Transportmittels
EP1347311B1 (fr) * 2002-03-23 2012-02-08 Lorenz Roatzsch Procédé de détection d'objets, particulièrement d'objets métalliques
DE10213115A1 (de) * 2002-03-23 2003-10-16 Lorenz Roatzsch Verfahren zum Aussortieren von Metallobjekten bzw. eine Sortieranlage, ein Detektor sowie eine Schaltungsanordnung hierfür
DE102009008928A1 (de) * 2009-02-13 2010-08-26 Heinen-Köhl Tobacco GmbH Verfahren und Vorrichtung zur Reinigung von Schüttgut
DE102009040923B3 (de) * 2009-09-11 2011-05-05 Müller, Matthias Vorrichtung und Verfahren zur Herstellung einer Wurstschnecke
CN112845138A (zh) * 2021-01-29 2021-05-28 广东中翔环保建材有限公司 玻璃分拣装置以及玻璃分拣方法
DE102022130417A1 (de) * 2022-11-17 2024-05-23 Zöller-Kipper Gesellschaft mit beschränkter Haftung Vorrichtung und Verfahren zur Bestimmung metallischer Gegenstände in einem Müllbehälter

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179247A (en) * 1962-06-28 1965-04-20 Sphere Invest Ltd Random stream materials sorter
US3581888A (en) * 1968-12-31 1971-06-01 Sphere Invest Position memory system
DE3002239A1 (de) * 1980-01-23 1981-07-30 Erkelenzer Maschinenfabrik Ferd.Clasen KG, 5140 Erkelenz Vorrichtung zur vereinzelung von teilchen eines schuettguthaufens
US4311241A (en) * 1979-11-13 1982-01-19 Lockwood Corporation Method for separating clods and the like from potatoes
FR2576008A1 (fr) * 1985-01-16 1986-07-18 Bsn Dispositif de tri optique du groisil, pour obtenir du calcin, et installation comprenant de tels dispositifs
WO1988001378A1 (fr) * 1986-08-20 1988-02-25 The British Petroleum Company P.L.C. Procede de separation
EP0325558A1 (fr) * 1988-01-07 1989-07-26 Vetropack Ag Méthode et dispositif de détection de corps étrangers dans un courant de corps transparents pour radiation électromagnétique

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Publication number Priority date Publication date Assignee Title
CA1126836A (fr) * 1978-12-25 1982-06-29 Toshihiko Satake Controle automatique de separateur colorimetrique de particules
US4541530A (en) * 1982-07-12 1985-09-17 Magnetic Separation Systems, Inc. Recovery of metallic concentrate from solid waste
DE3618173A1 (de) * 1986-05-30 1987-12-03 Mab Marlis Kellermann Glas-sortieranlage

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179247A (en) * 1962-06-28 1965-04-20 Sphere Invest Ltd Random stream materials sorter
US3581888A (en) * 1968-12-31 1971-06-01 Sphere Invest Position memory system
US4311241A (en) * 1979-11-13 1982-01-19 Lockwood Corporation Method for separating clods and the like from potatoes
DE3002239A1 (de) * 1980-01-23 1981-07-30 Erkelenzer Maschinenfabrik Ferd.Clasen KG, 5140 Erkelenz Vorrichtung zur vereinzelung von teilchen eines schuettguthaufens
FR2576008A1 (fr) * 1985-01-16 1986-07-18 Bsn Dispositif de tri optique du groisil, pour obtenir du calcin, et installation comprenant de tels dispositifs
WO1988001378A1 (fr) * 1986-08-20 1988-02-25 The British Petroleum Company P.L.C. Procede de separation
EP0325558A1 (fr) * 1988-01-07 1989-07-26 Vetropack Ag Méthode et dispositif de détection de corps étrangers dans un courant de corps transparents pour radiation électromagnétique

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0484221A3 (en) * 1990-10-29 1992-12-09 Societe Dite: National Recovery Technologies Inc. Method and apparatus for the separation of materials using penetrating electromagnetic radiation
US5738224A (en) * 1990-10-29 1998-04-14 National Recovery Technologies, Inc. Method and apparatus for the separation of materials using penetrating electromagnetic radiation
US5260576A (en) * 1990-10-29 1993-11-09 National Recovery Technologies, Inc. Method and apparatus for the separation of materials using penetrating electromagnetic radiation
USRE36537E (en) * 1990-10-29 2000-02-01 National Recovery Technologies, Inc. Method and apparatus for sorting materials using electromagnetic sensing
US5339962A (en) * 1990-10-29 1994-08-23 National Recovery Technologies, Inc. Method and apparatus for sorting materials using electromagnetic sensing
US5518124A (en) * 1990-10-29 1996-05-21 National Recovery Technologies, Inc. Method and apparatus for the separation of materials using penetrating electromagnetic radiation
EP0484221A2 (fr) * 1990-10-29 1992-05-06 National Recovery Technologies Inc. Procédé et dispositif de séparation de matériaux utilisant une radiation électromagnétique pénétrante
US5469973A (en) * 1991-03-14 1995-11-28 Wellman, Inc. Sorting optically different solid masses
US5273166A (en) * 1992-01-10 1993-12-28 Toyo Glass Company Limited Apparatus for sorting opaque foreign article from among transparent bodies
AU654317B2 (en) * 1992-01-14 1994-11-03 Toyo Glass Company Limited Apparatus for sorting opaque foreign article from among transparent bodies
EP0555821A3 (en) * 1992-02-12 1993-12-08 Merten Kg Pulsotronic Device for separating small metal particles
EP0555821A2 (fr) * 1992-02-12 1993-08-18 Pulsotronic Merten GmbH & Co. KG Dispositif de séparation de particules métalliques
AT399400B (de) * 1993-03-15 1995-04-25 Binder Co Ag Verfahren und einrichtung zur bestimmung der reinheit von aufbereitetem altglas
US5456127A (en) * 1993-03-15 1995-10-10 Binder + Co Aktiengesellschaft Method for determining the purity of treated used glass prior to recycling
EP0616215A3 (fr) * 1993-03-15 1995-03-15 Binder Co Ag Méthode et appareil pour la détermination de la purété de déchets de verre.
EP0616215A2 (fr) * 1993-03-15 1994-09-21 Binder & Co. Aktiengesellschaft Méthode et appareil pour la détermination de la purété de déchets de verre
DE4323391A1 (de) * 1993-07-13 1995-01-19 Bfi Entsorgungstech Verfahren zum Aussortieren großer Gegenstände aus Materialgemischen und Vorrichtung zu seiner Durchführung
EP0709138A3 (fr) * 1994-10-25 1996-05-15 Binder Co Ag
DE19643382C2 (de) * 1996-10-21 1999-12-02 S & S Metallsuchgeraete & Recy Verfahren und Vorrichtung zur Bestimmung des Verunreinigungsgrades von Altglas durch Stichprobenprüfung
DE19643382A1 (de) * 1996-10-21 1998-04-30 S & S Metallsuchgeraete & Recy Verfahren und Vorrichtung zur Bestimmung des Verunreinigungsgrades von Altglas durch Stichprobenprüfung
WO2001054830A1 (fr) * 2000-01-27 2001-08-02 Commodas Gmbh Dispositif et procede pour extraire des fractions metalliques d'un flux de matiere en vrac
EP1433541A1 (fr) * 2000-01-27 2004-06-30 CommoDas GmbH Dispositif pour éjecter les fractions metalliques d'un flux de matières en vrac
AU784959B2 (en) * 2000-01-27 2006-08-10 Commodas Gmbh Device and method for sorting out metal fractions from a stream of bulk material
EP1375017A1 (fr) * 2002-06-05 2004-01-02 Asahi Glass Company Ltd. Procédé de récupération des particules en verre
WO2007042139A1 (fr) 2005-10-10 2007-04-19 Oliver Gurok Dispositif de detection pour identifier des elements de matiere a transporter pouvant etre detectes par electromagnetisme et dispositif de tri dote d'un dispositif de detection de ce type
WO2013060095A1 (fr) * 2011-10-27 2013-05-02 山东博润工业技术股份有限公司 Procédé et système pour préparation de charbon à sec par retrait de gangue de charbon
EP2865456A1 (fr) * 2013-10-24 2015-04-29 Veolia Proprete Caisson d'éjection pour objets éjectés par jet d'air
FR3012438A1 (fr) * 2013-10-24 2015-05-01 Veolia Proprete Caisson d'ejection pour objets ejectes par jet d'air

Also Published As

Publication number Publication date
EP0353457A3 (en) 1990-04-18
ES2060700T3 (es) 1994-12-01
DE3827024C2 (de) 1995-01-19
DE58908307D1 (de) 1994-10-13
DE3827024A1 (de) 1990-02-08
EP0353457B1 (fr) 1994-09-07

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