EP3801912A1 - Procédé et dispositif de comminution et de fractionnement d'un produit - Google Patents

Procédé et dispositif de comminution et de fractionnement d'un produit

Info

Publication number
EP3801912A1
EP3801912A1 EP19728983.8A EP19728983A EP3801912A1 EP 3801912 A1 EP3801912 A1 EP 3801912A1 EP 19728983 A EP19728983 A EP 19728983A EP 3801912 A1 EP3801912 A1 EP 3801912A1
Authority
EP
European Patent Office
Prior art keywords
electrode
container
electrodes
discharge
pulse
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
EP19728983.8A
Other languages
German (de)
English (en)
Other versions
EP3801912B1 (fr
EP3801912C0 (fr
Inventor
Stefan EISERT
Leonid Gelfond
Martin SCHÖTZ
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.)
Impulstec GmbH
Original Assignee
Impulstec 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 Impulstec GmbH filed Critical Impulstec GmbH
Publication of EP3801912A1 publication Critical patent/EP3801912A1/fr
Application granted granted Critical
Publication of EP3801912B1 publication Critical patent/EP3801912B1/fr
Publication of EP3801912C0 publication Critical patent/EP3801912C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00—Other disintegrating devices or methods
    • B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
    • B02C2019/183—Crushing by discharge of high electrical energy

Definitions

  • the invention relates to a method and a device for cutting and shredding a good by means of the electrohydraulic effect, wherein in a container filled with a liquid by means of a pulsed current source within an underwater spark gap an impact discharge is generated substantially in the liquid.
  • EP 2 771 120 B1 discloses a method and a device for material-selective disassembly of a recycled material into reusable materials by means of the electrohydraulic effect, in which an impact discharge with a discharge energy between a tank bottom side electrode and a number of tank cover side electrodes 200 J and 1500 J per electrode are generated substantially in the liquid.
  • the average field strength is less than 5 kV / mm and the repetition rate of the high voltage pulses is less than 10 Flz.
  • DE 10 2009 034 314 B4 discloses a method for the material-selective dismantling of a fuel cell stack with the aid of the electrohydraulic effect, in which in a first step shock waves coincide laterally with the aid of an electrode system on the adhesive surfaces of bipolar plates of the fuel cell stack a pulse energy with between 0.1 -10 J are generated, with the result that the integrity of the bond is destroyed and consequently the main components of the fuel cell stack in the form of its bipolar plates are separated. In a further step, a surface cleaning of the individual bipolar plates.
  • This decomposition and cleaning process is specially designed for the material-selective decomposition of fuel cell stacks and has a two-stage design.
  • This process for the recovery of materials and / or products is especially for a two-stage process, consisting of a first treatment step for pre-damage with very high pulse energy up to 50 kJ and a subsequent second step with a discharge energy up to 1000 J using a aligned with electromagnetic effect.
  • a method and apparatus for purifying mineral solids, in particular of gravel and sand is known, in which the impurities from the solid by pressure waves, which by means of high-power pulses due to spark discharges on an electrode assembly in an energy range to 10,000 J, to be replaced.
  • This process is specially designed for the cleaning of mineral solids, in particular the removal of superficial dirt particles, gravel and sand, for a comparatively large energy range of up to 10 kJ.
  • the method is therefore particularly suitable for a surface-selective removal of impurities from solids, wherein the comminution of the solids is avoided.
  • From DE 195 34 232 A1 is a method for crushing and fragmentation of non-metallic or partially metallic components conglomerated solids and for the decomposition of homogeneous non-metallic solids by the fastest possible discharge of an electrical energy storage and thus the formation of shock waves directly in the solid known, including for the separation of metal-plastic compounds or plastic ceramic compounds or a composite of metal, ceramic and plastic can be used.
  • This method aims to ensure, by dimensioning an LC discharge circuit, that the voltage rise up to the breakdown voltage is sufficiently fast and the electrical breakdowns are generated essentially in the solid to be separated.
  • comparatively high operating voltages and concomitantly comparatively complicated and cost-intensive generators eg Marx generators
  • the invention has for its object to provide a particularly suitable method for crushing and disassembling of various goods, especially brittle Ma- materials, by means of reduced pulse energy and thus particularly gentle and cost effective. Furthermore, a particularly suitable device for cutting and shredding the goods should be specified. With regard to the method, this object is achieved according to the invention by the features of claim 1. With regard to the device, the object is achieved according to the invention by the features of claim. Advantageous developments and variants are the subject of the subclaims referenced hereto.
  • a shock discharge with a pulse or discharge energy less than 100 J generated substantially in the liquid is a shock discharge with a pulse or discharge energy less than 100 J generated substantially in the liquid.
  • the pulse or discharge energy is also referred to below as pulse energy for short.
  • the pulse or discharge energy is between 1 J and 50 J, especially preferably between 1 J and 20 J.
  • the material to be comminuted is in the container in the underwater spark gap.
  • the first electrode particularly preferably forms a ground electrode and the or each second electrode in each case forms a floating-voltage electrode.
  • the material is fed into the process space formed by means of the container via a laterally attached opening of the container, in particular by means of a nozzle.
  • the feed takes place continuously or discontinuously.
  • the removal of the comminuted or disassembled material, that is to say the comminuted or disassembled material, from the container is effected by means of a transport unit.
  • tap water or distilled water is used as the liquid in which the shock discharges are generated.
  • the invention is based on the consideration that the fracture behavior of a material or a composite material mainly depends on the mechanical properties of the substances involved and on the energy of the electrical breakdowns, that is to say on the pulse or discharge energy, and thus the intensity depends on the developing shockwave.
  • the fracture behavior after exceeding a material-specific reaction barrier which in particular depends on a strength of the material or the composite material, is not linear, i. that in this case, with a higher pulse energy, a correspondingly more efficient comminution of materials or dismantling of material composites is or will not be realized.
  • composites of brittle and ductile constituents can be processed more efficiently with pulse or discharge energies of less than 100 J in comparison with the known method from EP 2 771 120 B1 with comparatively high pulse or discharge energies (200 J-1500 J).
  • the main reason for this is a greater pressure rise rate of a shock wave due to the smaller period duration of the Flochdozenssimpulses corresponding
  • the pressure rise time is proportional to the root of the capacitance of the surge capacitors used to generate the high voltage pulse.
  • the capacitance of the surge capacitors is directly proportional to the pulse energy.
  • correspondingly smaller capacities C are required for smaller energies, which in turn leads to shorter characteristic period lengths and thus to shorter pressure rise times.
  • the method according to the invention is particularly suitable for comminution or for disassembling materials with high quality requirements, in particular a purity of the disassembled or comminuted material. This is due to the fact that the wear behavior of the electrodes depends nonlinearly on the current load and the mechanical load.
  • the period duration of each high-voltage pulse is or is set between 0.1 ps and 6 ps, preferably between 0.5 ps and 3 ps.
  • discharge channels of the surge discharges are formed substantially in the liquid.
  • the treatment of the material with a working or repetition rate ie with a number of shock discharges per second, between 20 and 100 shock discharges per second for or for each, in particular designed as a high voltage electrode, second Electrode set or adjustable.
  • the number of burst discharges is between 30 and 50 per second.
  • a working voltage that is to say the voltage applied to the electrodes for generating the shock discharges, is used which is less than or equal to 100 kV, preferably between 30 kV and 50 kV. This voltage range is suitable for forming the discharge channels substantially in the liquid.
  • the distance between the second electrode or electrodes, in particular designed as high-voltage electrodes, and the one or more first electrode, in particular designed as ground electrodes is between 5 mm and 100 mm, preferably between 10 mm and 40 mm set.
  • the distance between two adjacent second electrodes is or is set between 50 mm and 200 mm, so that an advantageously space-saving (compact) configuration of the arrangement of the electrodes is realized.
  • the second electrodes each have an insulation which electrically insulates the electrode against the process liquid.
  • the insulation is recessed in the region of a tip of the electrode. In other words, the free end of the respective second electrode projecting into the process liquid is exposed, ie not provided with insulation.
  • the (upper) area of the non-insulated tip of one of the second electrodes, preferably each of the second electrodes, immersed in the process fluid is or is between 50 mm 2 and 15,000 mm 2 , in particular between 50 mm 2 and 500 mm 2 , set. In this way, with a pulse or discharge energy of less than 100 J, it is advantageous to avoid or at least reduce pre-discharge losses until the discharge channel is formed.
  • brittle materials or products with brittle constituents such as silicates, ceramics, silicon, crystalline minerals and rock, and materials with high purity requirements, in particular glass, ceramics or semiconductor material are comminuted and / or shredded.
  • material composites with brittle components such as metallurgical slags, glass-polymer composites (for example laminated safety glass, solar modules) and metal / plastic or metal / ceramic composites are comminuted and / or disassembled.
  • the device for cutting and shredding a product comprises a container which can be filled with a liquid for receiving the product and means for obtaining a product. generating electrical shock discharges in the liquid.
  • an electrode system which can be acted upon by a high voltage is provided and designed to generate an abrupt discharge in the liquid within a subsea spark gap between a first electrode of the electrode system and at least one second, container-cover-side electrode of the electrode system.
  • the or each first electrode in each case a ground electrode and the or each second electrode each have a high voltage electrode.
  • the apparatus further comprises an opening and / or a nozzle for feeding the material to be separated and / or shredded, as well as a transport unit for discharging the treated material, ie the decomposed and / or comminuted material, from the (reactor -) Container.
  • a feeding of the material or the discharge of the treated material is comparatively easy. In particular, it is not necessary to remove the container lid.
  • the electrode system has a number of second electrodes, in particular up to a hundred electrodes or high-voltage electrodes, preferably up to twenty electrodes or high-voltage electrodes, advantageously up to four electrodes or high-voltage electrodes.
  • the electrode system has the first electrode or alternatively the first electrode and additionally further, in particular formed as ground electrodes, first electrodes.
  • the first electrodes and the second electrodes are arranged in particular in pairs and spatially opposite to each other container top and bottom side, wherein the second electrodes are preferably arranged on the container lid side.
  • both the first and the first electrodes and the second electrodes are arranged on the container lid side.
  • a plurality of second electrodes or high-voltage electrodes are appropriately discharged to the same first electrode or ground electrode.
  • the electrode system consists in summary of one or more high-voltage electrodes and one or more ground electrodes.
  • a working voltage applied to the electrodes for generating the shock discharges is set at least or equal to 100 kV, preferably between 30 kV and 50 kV, or can be adjusted.
  • the material is or is introduced into the process space formed by the container via a side-mounted opening of the container and / or through a nozzle continuously or discontinuously.
  • the removal of the shredded or disassembled material is carried out continuously or discontinuously by means of a transport unit from the container.
  • the transport unit is designed according to an embodiment as a conveyor belt, according to an alternative embodiment as a pump for producing a water flow.
  • the water flow generated by the pump detects the decomposed material and carries it out of the container.
  • the discharge product can be selected with regard to its shape, size and / or density.
  • the removal of the decomposed and / or comminuted material from the process space of the container is realized by means of a floor.
  • the floor is for this purpose inclined against the balance and additionally or alternatively formed as a sieve tray.
  • a conveyor belt is provided in addition to the floor, which is designed in particular as a sieve bottom.
  • the sieve bottom is advantageously suitable for the reduction of homogeneous materials to a defined target grain size.
  • a combination of the conveyor belt, the pump, and / or the bottom for discharging the disassembled or comminuted material is provided.
  • a pulse or discharge energy in particular as working energy, is less than 1500 J, preferably set or adjustable between 200 J and 1500 J.
  • the pulse or discharge energy is less than 100 J, preferably between 1 J and 50 J, more preferably between 1 J and 20 J, set or adjustable.
  • the device is then provided and set up to carry out the method in one of the variants presented above. The explanations on the method described above then apply correspondingly to the device.
  • the conveyor belt due to the low mechanical stress due to the relatively small pulse or discharge energy directly as a first electrode, in particular as a ground electrode, usable.
  • 1 is a simplified circuit diagram of a device for crushing and cutting a good with a container with lid-side Flochschreibs- electrodes, wherein a discharge of the crushed and decomposed material is realized by means of a sloping and formed as a ground electrode bottom and by means of a conveyor belt
  • 2 shows an alternative embodiment of the device, the bottom being designed as a sieve bottom and ground electrodes being arranged on the bottom,
  • FIG. 3 shows a further alternative embodiment of the device, wherein the transport unit for discharging the decomposed and / or comminuted material is a pump for Fier ein a volume flow, and Fig. 4 shows schematically one of the Flochdozensselektroden with a non-insulated tip.
  • FIG. 1 shows schematically a device 2 for cutting and shredding a good by means of the electrohydraulic effect.
  • This has a filled with a liquid F (reactor) container 8 for receiving the not further shown material on.
  • the container 4 here has a container lid 6 and a container body 8 formed, for example, of stainless steel, by means of which a process space is formed. In this case, the container body 8 is designed without inner wall insulation.
  • a number of rod-shaped second electrodes 10 are arranged, of which three are shown by way of example. These second electrodes 10 are formed as Flochschreibselektro- the.
  • the second electrodes 10 are arranged equidistant from each other and inserted or integrated into the container lid 6.
  • the bottom 12 protrudes from a wall 14 of the container body 8 into the process space, so that the bottom 12 is arranged below the second electrodes 10.
  • the container 4 has an opening 16, which is attached laterally to the lid-side second electrodes 10 and through which the material to be separated and / or shredded can be introduced into the container 4 continuously or discontinuously.
  • the opening 16 is provided with a connection 17.
  • the material to be separated and / or comminuted can be introduced into the process space between the second electrodes 10 and the first electrode 9, that is, below the second electrodes 10.
  • the wall 14 is inclined in the region of the opening 16 to the outside of the container, so that the feeding of the material into the process area between the electrodes 9 and 10 is facilitated due to the inclination.
  • the second electrodes 10 are connected to a capacitor 18 via a high voltage switch S1. Furthermore, the second electrodes 10 by means of a safety disconnect switch S2 to ground or ground potential feasible. In this case, a safety disconnect switch S2 and in each case a capacitor 18 is suitably provided for each of the second electrodes 10.
  • the or each capacitor 18 is charged by means of a charger 20 via an ohmic resistor 22.
  • the first electrode 9 is guided to ground or ground potential. In this way, a working voltage is set at the electrodes 9, 10 which is less than or equal to 100 kV in order to generate an electrical shock discharge within an underwater spark gap between the first electrode 9 and the second electrodes 10.
  • the pulse or discharge energy of each surge discharge is less than 1500 J, preferably set or adjustable between 200 J and 1500 J. Alternatively, the pulse or discharge energy is less than 100 J, in particular between 1 J and 50 J, preferably between 1 J and 20 J, set.
  • the second electrodes 10 When generating an electrical surge discharge, the second electrodes 10 are discharged to the first electrode 9. Thus, an electrical breakdown takes place between the high-voltage electrodes and the ground electrode. The resulting pressure wave propagates in the liquid F, which is carried out as water, and leads to the comminution or decomposition of the material.
  • the means for generating the electrical shock discharges comprise the electrode system 23 comprising the first electrode 9 and the second electrodes, the capacitor 18, the floss voltage switch S1 and the charger 20.
  • the removal of the disassembled and / or comminuted material from the process space P of the container 4 takes place on the basis of the inclined bottom 12, and by means of a transport unit 24, which is designed here as a conveyor belt 26.
  • the bottom 12 is inclined to the horizontal, so that the disassembled or comminuted material is transferred to the conveyor belt 26.
  • the container lid 6 closes the container body 8 with the exception of the opening 16 and a further opening 28 for the conveyor belt 26th
  • the first electrode 9 or a plurality of first electrodes 9 are likewise arranged in the container lid 6, in particular integrated.
  • FIG. 2 shows an alternative embodiment of the device 2, wherein for the sake of clarity, the interconnection of the electrodes 9 and 10 formed analogously to the embodiment of the device according to FIG. 1 is not shown.
  • the bottom 12 is oriented horizontally.
  • ground electrodes forming first electrodes 9 are arranged.
  • the first electrodes are integrally formed on the bottom 12.
  • the bottom 12 is further formed as a sieve bottom, so that the decomposed and crushed material corresponding grain size passes through the sieve bottom 12 on the underlying portion of the conveyor belt 26.
  • FIG. 3 shows a further alternative embodiment of the device 2.
  • the water volume flow is generated by means of a pump 30 forming the transport unit 24, which entrains the comminuted material and thus removes it from the process area between the electrodes 9 and 10 to a further transport unit designed as conveyor belt 26 (rinsing).
  • a pump 30 forming the transport unit 24, which entrains the comminuted material and thus removes it from the process area between the electrodes 9 and 10 to a further transport unit designed as conveyor belt 26 (rinsing).
  • the size of the purged particles can be influenced. For example, grain sizes in the range 1-5000 .mu.m can be produced in this way and removed from the container 4 by means of a water volume flow. Subsequently, the decomposed material can be classified and dried as needed.
  • FIG. 4 shows a detail of the container 4 with a second electrode 10 arranged on the container lid side, which uses a pulse or discharge energy of less than 100 J, in particular between 1 J and 50 J, preferably between 1 J and 20 J. becomes.
  • This has an insulation 31, which electrically isolates the second electrode 10 from the process liquid, except in the region of an (electrode) tip 32.
  • the (upper) surface of the liquid F dotted into the surface is dotted and uninsulated tip 32 between 50 mm 2 and 15,000 mm 2 , in particular between 50 mm 2 and 500 mm 2 , set. It lies opposite one of the first electrodes 9, wherein the distance between the first electrode 9 and the second electrode 10 is set between 10 mm and 40 mm.
  • the device 2 allows the continuous or discontinuous disassembly of electronic waste such as mobile phones or printed circuit boards.
  • the lid side in the container formed as high-voltage electrodes second electrodes 10 are arranged, which during the Treatment process cyclically arranged to the container bottom side and formed as ground electrodes first Electrode 9 and first electrodes 9 discharged.
  • the maximum number of high voltage electrodes is 100.
  • the pulse energy is between 200 J and 1500 J per electrode pair, consisting of one of the high voltage electrodes and one of the ground electrodes, at a working voltage of less than 100 kV.
  • the removal of the disassembled mobile telephone components takes place in accordance with the respective configuration of the device 2 on the basis of the inclined and / or bottom plate 12, the water scavenging flow, the conveyor belt 26 or, alternatively, by means of a combination of these discharge mechanisms.
  • a method for disassembling and comminuting the product by means of the electrohydraulic effect in the container 4 filled with a liquid of the device, which is embodied according to one of the embodiments of FIGS. 1 to 3, within an underwater spark gap between the first Elec- erode 9 or the first electrode 10 and the second electrode 10 and the second electrode 10 generates a surge discharge with a pulse or discharge energy less than 100 J substantially in the liquid.
  • the material to be shredded lies in the container 4 in the underwater spark gap.
  • the second electrodes 10 are formed as shown in FIG. 4, so the (top) surface of the (electrode) tips 32 is set between 50 mm 2 and 15,000 mm 2 .
  • the distance between two adjacent second electrodes 10 is set between 50 mm and 200 mm, and the distance between the second electrodes 10 and the first electrode or electrodes 9 is set between 5 mm and 100 mm.
  • each high-voltage pulse ie the duration of the respective high-voltage pulse for generating the surge discharge
  • the period duration of each high-voltage pulse is set between 0.1 ps and 6 ps, the number of surge discharges of the or each second electrode 10 being between 20 and 100 (surge discharges) per second. wearing.
  • a working voltage which is applied to the electrodes 9 and 10, is set smaller or equal to 100 kV in order to generate the surge discharges.
  • the efficient comminution of homogeneous, brittle materials such as silicon is made possible.
  • the main dimension of the input material that is, the silicon pieces formed as semiconductor pieces, is preferably between 10 and 100 mm.
  • the pieces of silicon to be comminuted are introduced into the (reactor) container 4 together with the liquid medium, preferably tap water or demineralized water. Due to the pulse energy less than 100 J and the resulting reduced mechanical stress on the components of the device 2, it is possible to produce the container 4 made of plastic.
  • the supply (charging) of the silicon pieces via the side of the container attached to the nozzle 17 for material supply.
  • the container 4 is closed with the (container) cover 6, in which the electrode system 23 and a vent pipe are integrated.
  • the electrode system 23 comprises a plurality of second electrodes 10 designed as high-voltage electrodes, so that the largest possible, in particular large-area, (treatment area) process area is realized in the container 4.
  • the first electrodes 9 designed as ground electrodes are either likewise integrated in the container lid 6 or alternatively in the base 12.
  • the distance between each electrode pair consisting of one of the second electrodes 10 and the or one of the first electrodes 9 is set between 10 mm and 40 mm.
  • the distance between two adjacent second electrodes is set between 50 mm and 200 mm.
  • Underwater spark gaps are formed on the basis of the high voltage and ground electrodes, in which by means of the pulse generator, which is formed by the charger 20, the capacitor 18 and the high voltage switch S1, cyclic discharge with a pulse rate (repetition rate, pulse frequency) per high voltage electrode between 20 and 100 discharges per second and a pulse or discharge energy between 20 J and 100 J are generated.
  • the working voltage for generating the shock discharges is set between 30 kV and 50 kV.
  • the period duration of each high-voltage pulse is set between 0.5 ps and 3 ps.
  • the pressure wave which arises following the electrical breakdown between the high-voltage and ground electrodes 10 and 9 propagates in the water and leads to the comminution of the silicon pieces.
  • the sieve bottom 12 allows the discharge of the silicon according to the required target grain size, which is for example 1 mm. Downstream of the sieve is a conveyor belt 26 designed as a so-called bunker conveyor, which conveys the comminuted material fraction out of the water bath. Subsequently, the silicon grain produced can be dried and classified as needed.
  • the method and the device 2 are suitable according to the second embodiment shown below for the efficient disassembly of glass polymer composites such as solar modules.
  • a complete solar module or pre-shredded pieces of the solar module are placed in the container 4 filled with the (process) liquid F, preferably demineralized water.
  • the polymer film as well as the metal contacts remain largely in their original size.
  • the detached glass and the semiconductor material can be removed from the process space with the aid of the sieve bottom 12 and discharged with a downstream conveyor belt 26.
  • the coarse pieces, that is, comparatively large, polymer film and the metal contacts can be transported continuously or discontinuously out of the container 4 by a flush of water and discharged by means of a downstream conveyor belt 26.
  • a coarse, low-contamination glass fraction, a semiconductor fraction rich in fine fraction and a coarse fraction of polymer films and metal contacts can be separated and then dried if necessary.

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  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

L'invention concerne un procédé de fractionnement et de comminution d'un produit au moyen de l'effet électro-hydraulique, selon lequel une décharge de choc avec une impulsion ou une énergie de décharge inférieure à 100 J, de préférence comprise entre 1 J et 50 J, de manière particulièrement préférée entre J et 20 J est générée au moyen d'une source de courant impulsionnel (SQ) dans un récipient (4) rempli d'un liquide entre au moins une première électrode (9), notamment une électrode de masse, et une deuxième électrode (10), notamment une électrode haute tension, produite sensiblement dans le liquide. La matière à broyer se retrouve dans le réservoir continu ou discontinu (4) dans l'éclateur immergé. En outre, l'invention concerne un dispositif (2) de fractionnement et de comminution d'un produit.
EP19728983.8A 2018-06-06 2019-06-05 Procédé et dispositif de comminution et de fractionnement d'un produit Active EP3801912B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018208867 2018-06-06
PCT/EP2019/064678 WO2019234109A1 (fr) 2018-06-06 2019-06-05 Procédé et dispositif de comminution et de fractionnement d'un produit

Publications (3)

Publication Number Publication Date
EP3801912A1 true EP3801912A1 (fr) 2021-04-14
EP3801912B1 EP3801912B1 (fr) 2023-11-15
EP3801912C0 EP3801912C0 (fr) 2023-11-15

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Country Link
EP (1) EP3801912B1 (fr)
ES (1) ES2971793T3 (fr)
WO (1) WO2019234109A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN111632994A (zh) * 2020-05-28 2020-09-08 西安交通大学 基于高压脉冲水中放电的废弃太阳能电池板的回收方法
DE102020209244A1 (de) 2020-07-22 2022-01-27 Volkswagen Aktiengesellschaft Prüfvorrichtung zur Prüfung von Prüflingen, bevorzugt von Bremsscheiben, mittels Schockwellen
JP2022162812A (ja) * 2021-04-13 2022-10-25 本田技研工業株式会社 電気パルス分解方法、複合材、複合材分解方法
DE102021205637A1 (de) 2021-06-02 2022-12-08 Impulstec Gmbh Verfahren zur recyclingtechnischen Aufbereitung eines Werkstücks aus galvanisierten Kunststoff

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Publication number Priority date Publication date Assignee Title
DE19534232C2 (de) 1995-09-15 1998-01-29 Karlsruhe Forschzent Verfahren zur Zerkleinerung und Zertrümmerung von aus nichtmetallischen oder teilweise metallischen Bestandteilen konglomerierten Festkörpern und zur Zerkleinerung homogener nichtmetallischer Festkörper
DE19727534C2 (de) 1997-06-28 2002-06-06 Tzn Forschung & Entwicklung Verfahren und Vorrichtung zum Reinigen von mineralischen Feststoffen, insbesondere von Kies und Sand
GB9714833D0 (en) * 1997-07-16 1997-09-17 Uri Andres Disintegration of brittle dielectrics by high voltage electrical pulses in disintegration chamber
FR2833192B1 (fr) * 2001-12-11 2004-08-06 Commissariat Energie Atomique Procede de broyage d'une matiere carbonee conductrice par application d'impulsions haute-tension en milieu liquide
WO2009026647A1 (fr) * 2007-08-30 2009-03-05 The University Of Queensland Procédé et appareil pour briser des matières solides
FR2942149B1 (fr) 2009-02-13 2012-07-06 Camille Cie D Assistance Miniere Et Ind Procede et systeme de valorisation de materiaux et/ou produits par puissance pulsee
DE102009034314B4 (de) 2009-07-23 2011-04-07 Adensis Gmbh Verfahren zur materialselektiven Zerkleinerung von Brennstoffzellenstacks
US10399085B2 (en) 2011-10-26 2019-09-03 Impulstec Gmbh Method and apparatus for decomposing a recyclate

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WO2019234109A1 (fr) 2019-12-12
EP3801912B1 (fr) 2023-11-15
ES2971793T3 (es) 2024-06-07
EP3801912C0 (fr) 2023-11-15

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