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WO2001040058A2 - Procede et dispositif pour evacuer de maniere controlee au moins un constituant du contenu d'un emballage contenant du gaz comprime - Google Patents

Procede et dispositif pour evacuer de maniere controlee au moins un constituant du contenu d'un emballage contenant du gaz comprime Download PDF

Info

Publication number
WO2001040058A2
WO2001040058A2 PCT/EP2000/011506 EP0011506W WO0140058A2 WO 2001040058 A2 WO2001040058 A2 WO 2001040058A2 EP 0011506 W EP0011506 W EP 0011506W WO 0140058 A2 WO0140058 A2 WO 0140058A2
Authority
WO
WIPO (PCT)
Prior art keywords
compressed gas
station
content
pack
solidified
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.)
Ceased
Application number
PCT/EP2000/011506
Other languages
German (de)
English (en)
Other versions
WO2001040058A3 (fr
Inventor
Dieter Borck
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.)
Pu-Dosen-Recycling and Co Betriebs KG GmbH
Original Assignee
Pu-Dosen-Recycling and Co Betriebs KG 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 Pu-Dosen-Recycling and Co Betriebs KG GmbH filed Critical Pu-Dosen-Recycling and Co Betriebs KG GmbH
Priority to AU23580/01A priority Critical patent/AU2358001A/en
Publication of WO2001040058A2 publication Critical patent/WO2001040058A2/fr
Publication of WO2001040058A3 publication Critical patent/WO2001040058A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B09B3/35—Shredding, crushing or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00—Type of solid waste
    • B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators

Definitions

  • the invention relates to a method and a device for the controlled emptying of at least one component of the content from compressed gas packs.
  • compressed gas packs in accordance with the relevant technical rules of the Association of Technical Surveillance Associations, Essen, are understood to mean certain containers for single use, including their filling and their removal device. These are typically everyday products, such as aerosol cans, so-called sprays or spray cans, which contain a wide variety of contents from deodorants to insecticides and lubricants to spray cream, and the like.
  • the content components consist on the one hand of a blowing agent and on the other hand a generally so-called "active ingredient.
  • the blowing agents can be compressed gaseous blowing agents, liquid gas blowing agents, multi-component blowing agents, etc.
  • the blowing agents can also act as a solvent for the actual active ingredient content fulfill.
  • the active substance content in the compressed gas pack can be present, for example, as a pure liquid, as a liquid mixture, or as a solution, suspension, dispersion, emulsion of an actual active substance in a solvent or carrier.
  • the problem regularly arises of having to regain or dispose of the entire content or at least individual components of it in a controlled manner. This is the case, for example, if completely filled compressed gas packs cannot reach the market due to overcapacities, overlay or production errors. There is also the problem of compressed gas packs coming back from the trade, the contents of which have exceeded the shelf life.
  • the invention is therefore based on the object of specifying a method and a device for emptying compressed gas packs, with controlled and environmentally friendly work.
  • a device for the controlled emptying of at least one component of the contents from compressed gas packs is provided with:
  • a conveying device for conveying the compressed gas packs between and through the individual stations
  • a freezer station for freezing the compressed gas pack to a temperature which is below the solidification temperature of the content component to be removed
  • an opening station for opening the pressurized gas packs when the content component has solidified
  • an ejection station for removing the solidified content component from the respective compressed gas pack
  • a sorting station for transferring the remnants of the compressed gas packs and the solidified content component into separate collecting containers.
  • the key point of the method according to the invention and the corresponding device lies in the deep-freezing of the compressed gas pack, as a result of which the content can be manipulated without problems for the further treatment steps.
  • these treatment steps after opening the pressurized gas pack can be essentially mechanical, so that the content components to be emptied and the pack remnants are simple can be separated by appropriate handling steps.
  • the active ingredient and propellant content of the can are preferably frozen at a corresponding temperature by freezing. It can then be handled as a common mass block with the active ingredient content, regardless of whether the various components are attributable to the liquid or gaseous phase of the content.
  • liquid nitrogen is a very suitable coolant, since it is available on an industrial scale and is therefore inexpensive. Nitrogen also has protective gas properties, which considerably simplifies the handling of the often flammable active ingredient contents of compressed gas packs.
  • a particularly preferred trick is also given by the wall-side heating of the frozen compressed gas packs, which leads to thawing of the solidified content components at their interface with the pack wall and thus to the formation of a sliding film for the content block. This means that after opening the package it slides out of the package particularly easily and reliably due to its own weight.
  • FIG. 2 is an enlarged side view of a conveyor belt device for aerosol cans running in the deep-freeze bath of the system
  • FIG. 3 is a view of the conveyor belt device according to FIG. 2 in the conveying direction
  • FIG. 4 is a view of the ejection and sorting station of the system from viewing direction IV according to FIG. 1.
  • FIG. 1 The general structure of the invention is to be explained with reference to FIG. 1 using an aerosol can disposal system.
  • the system with the essential parts is encapsulated in a system housing 1, designated as a whole as 1, which is thermally insulated and essentially gas-tight.
  • the aerosol cans 2 belonging to the compressed gas packs are charged via a charging station 3, in which the cans 2 are fed onto a first conveyor belt 5 from a presorting 4 (not shown). From there, the cans 2 enter a blow-through rotary valve 6, at the outlet opening 7 of which a guide track 8 for the cans 2, which is to be described in more detail with reference to FIGS. 2 and 3, connects.
  • the loading station 3 is shown rotated again by 90 ° with respect to the main view in this figure in the area delineated by dashed lines.
  • the blow-through rotary valve 6 is supplied with a stream of nitrogen from a nitrogen stream on the side opposite the discharge opening 7.
  • Gas supply 9 is acted upon in such a way that a can 2 lying in the discharge opening 7 is blown out of the rotary valve 6 and pushed onto the guide track 8.
  • the freezer station 10 has a freezer bath 12 made of liquid nitrogen, the temperature of which is -196 ° C.
  • Liquid nitrogen is supplied from a corresponding storage container or a refrigerator via a nitrogen connection 13.
  • the level of the liquid nitrogen in the deep-freeze bath 2 is monitored by a level sensor 14.
  • an endless conveyor belt device 15 is provided, which is assigned to the guideway 8 and ensures that the aerosol cans 2 are transported through the freezer bath 12.
  • the cans are transferred to a third conveyor belt device 16, which only serves as an intermediate store for the frozen cans. From there, the cans arrive at a further conveyor belt device 17, which provides for further transport of the cans 2 through an opening station 18 via a heating station 19 to the ejection and sorting station 20 located at the end of the system. All conveyor belt devices 15, 16, 17 are otherwise equipped as endless conveyor belts with corresponding deflection rollers 21 and drive motors 22. Your conveyor belts 23 carry gripping elements 24, each holding a can 2 and conveying further.
  • a circular saw 25 with a saw blade 26, drive motor 27 and holding punch 28 for the cans 2 is provided in the opening station 18.
  • the circular saw 25, the saw blade 26, for example, in the center of the conveyor belt device 16 is arranged, the can 2 fixed by the holding stamp 28, together with its contents, sawn up in the middle and separate into two parts. It is understood that in the arrangement of the saw blade 26 shown, the conveyor belt 23 of the conveyor belt device 16 is divided in two in the longitudinal direction and has a gap in the center.
  • a sealing lock 29 is provided, with which the cold zone of the system housing 1 with freezer station 10, conveyor belt device 16 and opening station 18 is thermally separated from the heating station 19 designed as a warm zone and ejection and sorting station 20, that the heat transport from the heating station 19 in the opening station 18 is largely contained under practical aspects.
  • the heating station 19 has an infrared radiator 30, the heating power of which is set in such a way that the solidified contents of the can are heated via the can wall in such a way that a lubricating film is formed by thawing at the interface with the can wall. If the warm zone has a sufficiently large temperature difference from the cold zone, an IR radiator can also be omitted if necessary and only thawed the solidified active ingredient content due to the temperature prevailing there.
  • the sorting station 20 is arranged, which in FIGS. 1 and 4 only has grippers 31, which are arranged only schematically, for the can halves 52 created by sawing the cans 2. In Fig. 1, these grippers 31 are below the conveyor belt device
  • the sorting station 20 has a central drop funnel 32 and further drop funnels 33 on each side thereof.
  • the downward-facing openings of these drop funnels 32, 33 can each be closed by means of a lock flap 34 designed as a slide.
  • collecting containers 36, 36 ′′ which can be moved with a lifting truck 35 are provided and can be connected below to the fall funnels 32, 33.
  • the collecting containers 36, 36 'and the fall funnels 32, 33 are to be connected to one another in a sealed manner with respect to the environment.
  • the system housing 1 is also provided at various positions with various connections and a nitrogen system coupled to it.
  • a suction device 37 is provided for the cold nitrogen gas that evaporates over time from the freezer bath 20.
  • a blower 39 with a motor 40 sucks off the gas via a sluice flap 38 and conveys it via a connecting line 41 on the loading side into the feed line 42 leading from the nitrogen gas supply 9 to the cellular wheel sluice 6 a nitrogen outlet 44 is provided in the atmosphere.
  • the lock flap 43 is closed and opened by a motor 45, which is actuated by a pressure control, not shown.
  • the gas pressure determined by a pressure sensor 46 above the deep-freeze bath 12 is used as the control variable for the pressure control.
  • This guideway 8 consists of a plurality of rods 47, each running parallel to and at a distance from the conveying direction 11, which are arranged on an imaginary circle 48.
  • the diameter of the latter corresponds essentially to the specified maximum diameter of aerosol cans 2 which are to be handled in the system.
  • the rods 47 are supported on the outside by part-ring-shaped holders 49.
  • the holders 49 are broken through between the two uppermost rods 47 ', so that fork-shaped feed elements 50 can engage in the area between the rods 47 from above. These feed elements 50 are attached to the conveyor belt device.
  • the can 2 located in the discharge opening 7 is moved by blowing nitrogen out of the gas supply 9 onto the guideway 8, on which the respective can is moved forward on the slide 11 due to gravity until it comes into contact with the conveyor belt device 15.
  • the throughput time through the liquid nitrogen is dimensioned such that the liquid and gaseous phase - ie the active substance content together with the propellant - solidify to form a mass block 53.
  • the atmosphere in the system housing 1 in the area of the following conveyor belt device 16 and the opening station 18 is so cold that the contents of the cans 2 remain frozen.
  • the cans placed on the conveyor belt device 16 are completely separated into two can halves 52 with the aid of the circular saw 25, in which half a mass block 53 of solidified active substance content and propellant is then contained.
  • the can halves 52 are heated in the heating station 19 in such a way that the respective mass block 53 thaws at the interface with the can wall and forms a lubricating film from its liquid active substance content.
  • the can halves 52 with the mass blocks 53 are packed by the grippers 31, lifted off the conveyor belt device 17 and rotated, as shown in the middle in FIG. 4.
  • the grippers 31 thus serve as an ejection device for the mass blocks 53 from the can halves 52.
  • the mass blocks 53 namely fall past the conveyor belt device 17 into the central drop funnel 32 and further into the central collecting container 36.
  • the grippers 31 each follow spent outside until they are arranged above the side drop funnels 33. There the can halves 52 can be released. These fall into the respective external collecting container 36 '.
  • the propellant can be fed to a corresponding preparation via a propellant suction 54 connected to the sorting station 20.
  • the propellant suction 54 consists of a suction 56 which opens into the sorting station 20 via a lock flap 55.
  • a motor blower 57 is provided in the suction line 56, which ensures that the propellant is drawn off.
  • the collecting container 36 has a flushing connection 58, through which pure nitrogen can be blown in before the docking of the collecting container 36 to the drop funnels 32, 33 for flushing in order to render the interior of the collecting container inert.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Vacuum Packaging (AREA)

Abstract

L'invention concerne un procédé et un dispositif permettant d'évacuer de manière contrôlée au moins un constituant du contenu d'emballages contenant du gaz comprimé (2). Ledit procédé comprend les étapes suivantes : les emballages contenant du gaz comprimé (2) sont réfrigérés dans un poste de réfrigération (10) pour parvenir à une température inférieure à la température de solidification du constituant à évacuer de l'emballage contenant le gaz comprimé ; les emballages contenant le gaz comprimé (2) sont ouverts dans un poste d'ouverture (18), le constituant se trouvant alors à l'état d'agrégation solidifié, et le constituant solidifié est extrait de l'emballage contenant le gaz comprimé (2) dans un poste d'éjection et de tri (20,24) et est transféré dans une cuve collectrice (36), de manière séparée des restes de l'emballage.
PCT/EP2000/011506 1999-12-03 2000-11-18 Procede et dispositif pour evacuer de maniere controlee au moins un constituant du contenu d'un emballage contenant du gaz comprime Ceased WO2001040058A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU23580/01A AU2358001A (en) 1999-12-03 2000-11-18 Method and device for carrying out the controlled emptying of at least one constituent of the contents from pressure packs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19958428.1 1999-12-03
DE19958428A DE19958428A1 (de) 1999-12-03 1999-12-03 Verfahren und Vorrichtung zum kontrollierten Entleeren mindestens einer Komponente des Inhalts aus Druckgaspackungen

Publications (2)

Publication Number Publication Date
WO2001040058A2 true WO2001040058A2 (fr) 2001-06-07
WO2001040058A3 WO2001040058A3 (fr) 2001-10-18

Family

ID=7931375

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/011506 Ceased WO2001040058A2 (fr) 1999-12-03 2000-11-18 Procede et dispositif pour evacuer de maniere controlee au moins un constituant du contenu d'un emballage contenant du gaz comprime

Country Status (3)

Country Link
AU (1) AU2358001A (fr)
DE (1) DE19958428A1 (fr)
WO (1) WO2001040058A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007042101A1 (fr) * 2005-10-14 2007-04-19 Henkel Kommanditgesellschaft Auf Aktien Procede permettant de retirer d'un emballage des colles fusibles autoadhesives

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10252700A1 (de) * 2002-11-11 2004-05-27 Elektro-Maschinen Und Apparatebau Rink Gmbh Verfahren und Vorrichtung zum Entleeren und Pressen von Behältern

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1607991A1 (de) * 1967-12-09 1970-10-01 Ramms Karl Josef Spraydosen-Entgaserverfahren und Vorrichtung zur Ausfuehrung desselben
DE3018795A1 (de) * 1980-05-16 1981-12-03 Colgate-Palmolive Gmbh, 2000 Hamburg Vorrichtung zur gefahrlosen entleerung von spraydosen
US5067529A (en) * 1989-10-30 1991-11-26 Depressurized Technologies International, Inc. Aerosol can recycling apparatus and methods
DE4013969C1 (fr) * 1990-04-30 1991-11-14 Rolf Emil 6688 Illingen De Roland
DE4204836C2 (de) * 1992-02-18 1994-11-24 Franz Josef Weber Verfahren und Vorrichtung zur Aufbereitung und Entsorgung von Spraydosen verschiedener Füllungsgrade
NL9200521A (nl) * 1992-03-20 1993-10-18 Top Hendrik Van Den Inrichting voor het openen en ledigen van gevulde conservenbussen.
WO1996003230A1 (fr) * 1994-07-28 1996-02-08 Rathor Ag Procede de preparation d'emballages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007042101A1 (fr) * 2005-10-14 2007-04-19 Henkel Kommanditgesellschaft Auf Aktien Procede permettant de retirer d'un emballage des colles fusibles autoadhesives

Also Published As

Publication number Publication date
DE19958428A1 (de) 2001-06-07
AU2358001A (en) 2001-06-12
WO2001040058A3 (fr) 2001-10-18

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