EP3682038A1 - Dispositif de traitement et procédé pour détacher des revêtements - Google Patents

Dispositif de traitement et procédé pour détacher des revêtements

Info

Publication number
EP3682038A1
EP3682038A1 EP18762762.5A EP18762762A EP3682038A1 EP 3682038 A1 EP3682038 A1 EP 3682038A1 EP 18762762 A EP18762762 A EP 18762762A EP 3682038 A1 EP3682038 A1 EP 3682038A1
Authority
EP
European Patent Office
Prior art keywords
treatment device
conveyor trough
bulk material
conveyor
treatment
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.)
Pending
Application number
EP18762762.5A
Other languages
German (de)
English (en)
Inventor
Frank Michael KEPPELER
Andreas Reindl
Frank Sälzle
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.)
Wieland Werke AG
Original Assignee
Wieland Werke AG
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 Wieland Werke AG filed Critical Wieland Werke AG
Publication of EP3682038A1 publication Critical patent/EP3682038A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/005—Preliminary treatment of scrap
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/02—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid
    • B65G49/04—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction
    • B65G49/0409—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/02—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid
    • B65G49/04—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction
    • B65G49/0409—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length
    • B65G49/0413—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance through the bath
    • B65G49/0427—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance through the bath jigging conveyors
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Definitions

  • the invention relates to a vibrating conveyor according to the preamble of claim 1 and a method for detaching coatings according to the preamble of claim 15.
  • a vibrating conveyor according to the preamble of claim 1
  • a method for detaching coatings according to the preamble of claim 15.
  • Copper materials typically about 50 to 60% of the tape used as punching scrap. If these punched scrap are sorted, they are melted down again and processed into new ribbons. In the case of coated tapes, for example copper tapes coated with tin, silver or other elements and their alloys, the punched scrap can not usually be converted into new tapes since the coating material must not be present in the alloy composition of the base material. Such "contaminated" scraps usually need to be smelted
  • Partial coatings may consist, for example, of tin, gold or silver.
  • partial claddings may consist of aluminum clad strips.
  • a vibratory conveyor with a conveyor trough in which the detachment of the coating is performed.
  • vibratory conveyors are mechanical conveyor unit for bulk materials of different types, in which the medium to be transported is moved by means of vibrations.
  • a typical vibratory conveyor moves for transport obliquely upwards in the conveying direction and back, whereby the movement as a rule comprises a vertical component and a horizontal component in the conveying direction. In this way, the conveyed material is moved upward and, after the vibratory conveyor itself has moved back, in a direction closer to the discharge end of the
  • the conveyor trough of a vibratory conveyor is usually composed of one largely flat bottom and lateral, longitudinal boundaries. In operation, the conveyed at one end, the entrance end, on the conveyor trough up or introduced and further moved to the other end, the outlet end, in the conveying direction.
  • the invention has the object of developing a device for detaching coatings.
  • the invention is related to a device by the features of
  • Claim 1 and with respect to a method for removing coatings by the features of claim 15 reproduced. The others
  • the invention includes a treatment device for detachment of
  • Coatings comprising a vibratory conveyor having a conveyor trough which is trough-shaped to form a treatment bath with a liquid stripping medium, having an inlet end and a discharge end for bulk material, the conveying direction of the conveyor trough extending from the inlet end to the outlet end.
  • the conveyor trough has at least one feed device and at least one below the surface of the treatment bath
  • the stripping medium can be introduced via the feed device above and / or below the surface of the treatment bath and thus generate a flow of the stripping medium.
  • the stripping medium may be, for example, an acidic aqueous solution, in particular with the constituent sulfuric acid.
  • the use of basic solutions is also being considered.
  • a flow reversal can be achieved in a simple manner if required. Also, a so-called pulsed operation is possible by a flow reversal with a fast interval sequence. A pulsed operation generates a constantly changing flow on the surface of the bulk material to further support the layer removal.
  • flat and lumpy scrap materials which have a coating as the bulk material.
  • this may be stamped scrap made of tin-coated copper alloy material, which should be as sorted as possible for further recycling and therefore must be pretreated.
  • the removal of the detached coating components can be carried out in a defined direction and with a predeterminable speed, whereby an effective and efficient stripping of the coated bulk material used is ensured regardless of the filling amount and the flow rate of the material in the vibrating conveyor trough. By a flow, therefore, the contact time to replace the
  • Feeder be arranged at the entrance end for bulk material.
  • the at least one discharge device can be arranged at the outlet end for bulk material or at a point between the inlet end and the outlet end.
  • the at least one discharge device can be arranged at the entry end for bulk material.
  • the at least one feeder can on
  • the at least one feed device and the at least one discharge device can be arranged opposite one another and between the inlet end and the outlet end for bulk goods transversely to the conveying direction.
  • the transport processes are less affected in the transport direction and yet produce an additional positive flow characteristics on the surface of the bulk material for delamination.
  • Conveyor trough run horizontally.
  • the bathtub-like bath enclosed on all sides by the side walls extends at the outlet end
  • an automatic conveyor which removes the treated bulk material from the plant.
  • the bottom of the conveyor trough may be inclined at least in sections in the conveying direction. That's how it collects
  • Stripping medium either at the inlet end or at the outlet end, whereby the dimensioning of the treatment bath allows further advantageous technical embodiments.
  • the bottom of the conveyor trough can extend in the conveying direction from the inlet end to the outlet end rising or falling. In a rising course of the conveyor trough is preferred
  • Outlet end of the bottom of the conveyor trough raised above the bath level. Therefore, no side wall is present at the outlet end, so that during operation of the plant, the bulk material can fall over the outlet end directly into a collecting container or other means of transport.
  • the bottom of the conveyor trough can extend in the conveying direction from the inlet end to the outlet end with an inclination of 3 ° to 10 ° rising or falling.
  • the exact selection of the angle of inclination is determined by the fact that at the exit end no
  • Side wall is more present and thereby forms the treatment bath primarily at the inlet end or at the outlet end.
  • the inclination is in any case chosen so large that the treatment bath at least over a certain
  • Transport path is sufficiently deep to wet the bulk material on all sides.
  • the bottom of the conveyor trough have surveys at least in sections. The elevations should cause a certain roughness or surface structure, so that during operation of the system, the liquid stripping medium and the bottom surface of the
  • Such surveys can be produced, for example by forming by pressing or alone by sandblasting.
  • the stripping medium passes directly from below into the treatment bath during operation of the system and initially flows around the usually less accessible underside of the bulk material.
  • the bulk material to be treated is then flowed around on all sides.
  • the part of the wall with openings can be designed as a perforated plate.
  • the hole sequence and the hole diameter are determined by the fact that no bulk material can fall through the perforation down.
  • the double-walled part of the conveyor trough can also be multi-part, so that, for example, perforated plates of different perforation and possibly also different
  • treated bulk material are customizable.
  • the bottom of the conveyor trough may have grooves or grooves.
  • Such grooves or grooves preferably run in the conveying direction and serve to distribute the stripping medium in the treatment bath virtually below the bulk material. This creates a bottom-side conductive structure for the
  • Enthusungsmedium may be arranged at the lowest point of the treatment bath on the vibratory conveyor, the feeder or the discharge device.
  • a bottom outlet is designed by means of which the treatment bath can be drained without residue on demand for maintenance and cleaning of the system.
  • the treatment bath can be made liquid-tight and / or gas-tight.
  • the treatment bath can be made liquid-tight and / or gas-tight.
  • Vibratory conveyor designed with an open or removable lid, which seals the vibratory conveyor except for the entry points at the inlet end and the exit points at the outlet end.
  • lock devices can be arranged with which in the limit of the
  • Process chamber can be sealed liquid-tight or gas-tight. As a result, an undesired discharge of the stripping medium can be effectively prevented.
  • Cleaning device may be arranged. For cleaning purposes, in
  • Rinse medium clean the process room.
  • the cleaning medium can also be removed by a bottom-side drain in the conveyor trough into another interchangeable collecting container.
  • Another aspect of the invention includes a method of peeling off
  • This aspect of the invention is also based on the consideration that a significant improvement of the delamination by a good and possible all-round wetting of the bulk material surface under a
  • closed bath mirror sets in a moving de-coating medium.
  • 1 is a schematic representation of a treatment device
  • Fig. 2 is a schematic representation of another embodiment of a
  • Fig. 3 is a schematic representation of another embodiment of a
  • Treatment device with sloping conveyor trough Treatment device with sloping conveyor trough.
  • FIG. 1 shows a treatment device 1 for detaching coatings, having a vibratory conveyor 2 with a conveyor trough 3, which is of a trough-like design, in order to form a treatment bath 4 with a liquid de-coating medium 41.
  • coated bulk material 20 is fed to the system from a storage container 51 or discharged via a conveyor 61.
  • the conveying direction R of the conveyor trough 3 extends from the inlet end 5 to the outlet end 6.
  • the conveyor trough 3 has below the surface 42 of the treatment bath 4 at least one feed device 7 and at least one discharge device 8 for the de-coating medium 41.
  • a certain proportion of the stripping medium 41 is conveyed via a pumping device 10 in a processing device 9.
  • the processing device 9 for example, by chemical processes, the dissolved Be Anlagenungsmatenal be deposited again.
  • the processed de-coating medium 41 is supplied to the treatment bath 4 via the feed device 7 for detaching coatings.
  • the feed device 7 and the discharge device 8 are preferably provided with an elastic hose or a tube with elastic connection to the
  • Trough 3 connected, which should prevent transmission of vibrations during operation of the system.
  • the bottom 31 of the conveyor trough 3 is double-walled and as a flow channel 35 for the Ent fürungsmedium 41 with openings 36 in the
  • Treatment bath 4 executed.
  • the flow channel 35 thus runs below the bulk material to be transported.
  • the de-coating medium 41 passes from below into the space above it
  • Treatment bath 4 whereby the usually difficult to reach bottom of the bulk material is initially flowed around.
  • Passage openings 36 is designed as a perforated plate.
  • the conveyor trough 3 of the vibratory conveyor 2 is used as a mechanical conveyor unit for bulk materials during operation of the system by a vibrating device 32 in
  • the oscillating drive 33 moves the conveyor trough 3 for transport obliquely upward in the conveying direction R and back, whereby the
  • Movement comprises a vertical component and a horizontal component in the conveying direction R.
  • the elastic suspension 34 allows the oscillating movement of the conveyor trough 3 relative to the ground.
  • the vibration is adjusted in terms of frequency, momentum and angle. Furthermore, the
  • Treatment device 1 a cleaning device 37, which is installed in the upper part of the system in a cover member 38.
  • Figure 2 shows a schematic representation of another embodiment of a treatment device 1 with inclined conveyor trough 3.
  • Feeding trough 3 runs in the conveying direction R rising from the inlet end 5 to the outlet end 6. As a result, the Enthusungsmedium 41 collects in
  • Treatment bath 4 at the inlet end 5 and the outlet end 6 of the bottom 31 of the conveyor trough 3 is raised above the bath level 42. Therefore, am
  • Reservoir 51 are introduced into the conveyor trough 3 and can fall over the open outlet end 6 into a collecting container 62.
  • the feed device 7 is arranged in this case at the inlet end 5 for bulk material 20.
  • the discharge device 8 is arranged at a location between the inlet end 5 and the outlet end 6.
  • the processing device and the pumping device are not shown further in FIG.
  • Figure 3 shows a schematic representation of another embodiment of a treatment device 1 with inclined conveyor trough 3.
  • Feed trough 3 runs in the conveying direction R from the inlet end 5 to the outlet end 6 sloping. As a result, the Ent fürungsmedium 41 collects in
  • Treatment bath 4 at the outlet end 6 and the inlet end 5 of the bottom 31 of the conveyor trough 3 is raised above the bath level 42.
  • the conveyor trough 3 has above the Surface 42 of the treatment bath 4, a feed 7 and below the surface 42 of the treatment bath 4, a discharge 8 for the stripping 41 on.
  • the discharge device 8 is arranged in this case at the outlet end 6 for bulk material 20.
  • the processing device and the pumping device are not further shown in FIG.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Jigging Conveyors (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Processing Of Solid Wastes (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

L'invention concerne un dispositif de traitement (1) et un procédé pour détacher des revêtements, pourvu d'un convoyeur vibrant (2), présentant un chenal de transport (3), qui est conçu sous forme de cuve, pour former un bain de traitement (4) avec un agent de décapage liquide (41), présentant une extrémité d'entrée (5) et une extrémité de sortie (6) pour des produits en vrac (20), le sens de transport (R) du chenal de transport (3) s'étendant de l'extrémité d'entrée (5) à l'extrémité de sortie (6). Le chenal de transport (3) présente, sous la surface (42) du bain de traitement (4), au moins un dispositif d'alimentation (7) et au moins un dispositif d'évacuation (8) pour l'agent de décapage (41).
EP18762762.5A 2017-09-12 2018-08-14 Dispositif de traitement et procédé pour détacher des revêtements Pending EP3682038A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017008530.7A DE102017008530A1 (de) 2017-09-12 2017-09-12 Behandlungsvorrichtung und Verfahren zum Ablösen von Beschichtungen
PCT/EP2018/000400 WO2019052680A1 (fr) 2017-09-12 2018-08-14 Dispositif de traitement et procédé pour détacher des revêtements

Publications (1)

Publication Number Publication Date
EP3682038A1 true EP3682038A1 (fr) 2020-07-22

Family

ID=63452594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18762762.5A Pending EP3682038A1 (fr) 2017-09-12 2018-08-14 Dispositif de traitement et procédé pour détacher des revêtements

Country Status (6)

Country Link
US (1) US11131006B2 (fr)
EP (1) EP3682038A1 (fr)
JP (1) JP2021511192A (fr)
CN (1) CN111051543A (fr)
DE (1) DE102017008530A1 (fr)
WO (1) WO2019052680A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017008530A1 (de) 2017-09-12 2019-03-14 Wieland-Werke Ag Behandlungsvorrichtung und Verfahren zum Ablösen von Beschichtungen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179868A (en) * 1937-06-28 1939-11-14 Fmc Corp Fruit handling machine
US2630202A (en) * 1949-02-14 1953-03-03 Conveyor Company Inc Material transfer mechanism
US2894516A (en) * 1957-04-09 1959-07-14 Hunt Foods Inc Hydraulic dumping apparatus
US3610260A (en) * 1969-03-28 1971-10-05 Detrex Chem Ind Degreasing apparatus and method
US4022638A (en) * 1975-08-05 1977-05-10 Dart Industries Inc. Continuous recovery of base metal from insulated wire scrap
ATE57543T1 (de) * 1985-07-09 1990-11-15 Siemens Ag Behandlungseinrichtung fuer schuettfaehiges gut.
DE4216179A1 (de) * 1992-05-15 1994-01-20 Vaw Ver Aluminium Werke Ag Schwingbettwascheinrichtung für verölte Metallspäne
DE9309007U1 (de) * 1993-06-17 1993-08-26 Noell Abfall- Und Energietechnik Gmbh, 41464 Neuss Lufttrennherd
DE102004028496B3 (de) * 2004-06-11 2005-11-24 Griag Glasrecycling Ag Verfahren und Vorrichtung zum Entschichten von Materialchips
DE102011011532B3 (de) * 2011-02-17 2012-08-09 ProASSORT GmbH Verfahren zum Ablösen von Beschichtungen von Stahlschrotten
DE102017008530A1 (de) 2017-09-12 2019-03-14 Wieland-Werke Ag Behandlungsvorrichtung und Verfahren zum Ablösen von Beschichtungen

Also Published As

Publication number Publication date
US20200172992A1 (en) 2020-06-04
US11131006B2 (en) 2021-09-28
CN111051543A (zh) 2020-04-21
JP2021511192A (ja) 2021-05-06
WO2019052680A1 (fr) 2019-03-21
DE102017008530A1 (de) 2019-03-14

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