EP1401713A1 - Installation et procede de deconditionnement automatique de conteneurs souples ainsi que l' utilisation de ladite installation - Google Patents
Installation et procede de deconditionnement automatique de conteneurs souples ainsi que l' utilisation de ladite installationInfo
- Publication number
- EP1401713A1 EP1401713A1 EP02755083A EP02755083A EP1401713A1 EP 1401713 A1 EP1401713 A1 EP 1401713A1 EP 02755083 A EP02755083 A EP 02755083A EP 02755083 A EP02755083 A EP 02755083A EP 1401713 A1 EP1401713 A1 EP 1401713A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- containers
- materials
- installation
- flexible containers
- deconditioning
- 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
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
- B65B69/0008—Opening and emptying bags
-
- 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
- B65B69/0075—Emptying systems for flexible intermediate bulk containers [FIBC]
Definitions
- the present invention relates to an installation intended for the individual automatic unpacking of large flexible containers filled with materials, to a process for unpacking
- the compounds contained in the large bags can moreover present very varied chemical compositions, and toxicities for man, and / or the animal and / or the natural environment more or less high.
- Another device intended for transferring the contents of large bags as described in US Pat. No. 5,507,602 consists in horizontally placing a flexible, elastic membrane through which flows the powder content of large bags.
- the subject of the invention is therefore an installation intended for automatically and individually unpacking large flexible containers filled with materials, and comprising a conveyor belt, a hopper, a crusher, a sorter, these said elements being subjected to a vacuum for the duration of container unpacking.
- the invention is characterized in that the sorter comprises discs adapted to the nature of the materials included in the flexible containers.
- the installation of the invention has the advantage of being able to adapt very easily, on the one hand, to the speed of unpacking of the flexible containers, depending on the consumption or the subsequent reprocessing of their content, for example in a processing installation annexed and on the other hand, to variations in the physical state of their content within the same container.
- the installation also makes it possible to treat, easily, successively, quickly and without any modification of its means constituting it, flexible containers containing pulverulent materials then flexible containers containing more or less partially solidified materials, or vice versa, and this without damage the cutting tool or even without creating dust or splashes in large quantities and / or harmful to the working environment nearby.
- the subject of the invention is also a process for automatic and individual deconditioning of large flexible containers filled with materials, consisting in:
- the method is characterized in that after the routing step the containers are crushed in full, and the crushed assembly is then sorted to obtain the shreds of the containers and the separated materials.
- a final object of the invention is the use of the installation as defined above for unpacking large flexible containers, filled with powdery materials or not.
- the depression is between approximately 5mm and 10mm of water column. This depression can be constant during the deconditioning period.
- the mill can include a rotor having a rotational speed of between about 60 and 120 rpm.
- the duration of deconditioning of flexible containers can vary from approximately 1.5 minutes to approximately 3 minutes.
- This figure is a schematic representation, in section, of the installation according to the invention.
- the general reference installation 1 comprises a transparent strip 2 on which the large containers 3a, 3b, 3c are unloaded, of approximately 2 m 3 in volume each, coming from a truck 4.
- the truck 4 can be equipped with a moving floor (not shown) so as to unload automatically and without the use of a gripping shovel said flexible containers.
- the containers 3a, 3b, 3c comprise, respectively, pulverulent residues of household waste incineration fumes (REFIOM), solidified REFIOMs and filter press spoilers, tixotropics originating from the physico-chemical treatment of residues acids from surface treatment.
- the containers 3a, 3b, 3c are made of polypropylene.
- the conveyor belt 2 constitutes a buffer storage of the containers 3a, 3b, 3c before their treatment according to the invention.
- the installation 1 further comprises a freight elevator 5, the upper part 5a of which is situated approximately 23 meters above the ground, is connected to a hopper 6 of substantially square geometric base, having a total height of approximately 3 meters, a total width of about 1.70 meters, and equipped with a truck style damping means (not shown).
- the hopper 6 comprises in its middle part a grinder 7 consisting of at least one cutting rotor having a rotational speed ranging from 60 to 120 revolutions / min.
- the rotor When it is brought into contact with the bottom of each container, the rotor rips them apart and grinds them individually and successively due to its rotation, so as to transform them into shreds.
- each container then flows by gravity onto a disc sorter 8, arranged horizontally, and just above the crusher 7.
- a disc sorter 8 arranged horizontally, and just above the crusher 7.
- the content of each container flows continuously (pulverulent state) or discontinuously (monolithic) to the sorter 8.
- the shape the geometry of the discs constituting the sorter 8 can be adapted to the content of the containers 3a, 3b, 3c.
- the sorter 8 makes it possible to direct, on the one hand, to a first container 9 the contents of the containers 3a, 3b, 3c, and on the other hand, to a second container 10 the flexible containers transformed into shreds after passing through the hopper 6
- the separation of the shreds from the containers and from the materials makes it possible to avoid incorporating these shreds into content processing methods arranged after the installation of the invention.
- the material stored in the first container 9 is then extracted from the latter using a soulless screw (not shown) so as to avoid the formation of jams at the outlet.
- the hopper 6 is arranged substantially vertically so as to facilitate the flow of materials. Furthermore, the internal wall of all the elements constituting the hopper 6 is covered with chemical coatings which facilitate the speed of flow of the materials towards the outside (such as polyamides of rilsan type, epoxy, fluorinated polymers) while providing satisfactory erosion resistance and chemical resistance.
- the entire installation 1 is subjected to a vacuum of at least 5mm of water column, so as to reduce the contamination of handling staff.
- the treatment flow of the installation can reach values of 80 m 3 / hour for flexible containers of around 2 m 3 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Drying Of Solid Materials (AREA)
- Cleaning In General (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Crushing And Pulverization Processes (AREA)
- Discharge Of Articles From Conveyors (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Intermediate Stations On Conveyors (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0108273 | 2001-06-22 | ||
FR0108273A FR2826339B1 (fr) | 2001-06-22 | 2001-06-22 | Installation de deconditionnement automatique de conteneurs souples-procede-utilisation |
PCT/FR2002/002168 WO2003000555A1 (fr) | 2001-06-22 | 2002-06-21 | Instalation et procede de deconditionnement automatique de conteneurs souples ainsi que l'utilisation de ladite instalation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1401713A1 true EP1401713A1 (fr) | 2004-03-31 |
EP1401713B1 EP1401713B1 (fr) | 2006-10-25 |
Family
ID=8864668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02755083A Expired - Lifetime EP1401713B1 (fr) | 2001-06-22 | 2002-06-21 | Installation et procede de deconditionnement automatique de conteneurs souples ainsi que l' utilisation de ladite installation |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1401713B1 (fr) |
AT (1) | ATE343526T1 (fr) |
DE (1) | DE60215650T2 (fr) |
FR (1) | FR2826339B1 (fr) |
WO (1) | WO2003000555A1 (fr) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4034877A (en) * | 1975-09-02 | 1977-07-12 | Bel-Tyne Company Limited | Apparatus for opening containers |
FR2533194B1 (fr) * | 1982-09-16 | 1988-03-04 | Gazin Patrick | Dispositif pour le vidage automatique en chambre etanche de sacs de matiere pulverulente ou granuleuse |
WO1992021566A1 (fr) * | 1991-06-07 | 1992-12-10 | George Weston Foods Limited | Appareil de deballage de pain |
DE4203495A1 (de) * | 1992-02-07 | 1993-08-12 | Buehler Gmbh | Sackentleervorrichtung und verfahren zum betrieb und reinigen derselben |
DE4305315C1 (de) * | 1993-02-20 | 1994-10-06 | Gaz Industrieanlagen Gmbh | Vorrichtung zum Aufschlitzen und Entleeren von Müllsäcken aus Papier oder Kunststoff |
DE4419599C1 (de) | 1994-06-03 | 1996-01-25 | Schreier Maschinen Und Apparat | Vorrichtung zum Entleeren von Schüttgut enthaltenden Säcken |
US5507602A (en) | 1994-10-14 | 1996-04-16 | J. M. Huber Corporation | Powder transfer from supersack containers and dispersion into a homogeneous slurry |
JP3302215B2 (ja) * | 1995-03-23 | 2002-07-15 | ツカサ工業株式会社 | 自動開袋装置 |
-
2001
- 2001-06-22 FR FR0108273A patent/FR2826339B1/fr not_active Expired - Fee Related
-
2002
- 2002-06-21 DE DE60215650T patent/DE60215650T2/de not_active Expired - Fee Related
- 2002-06-21 EP EP02755083A patent/EP1401713B1/fr not_active Expired - Lifetime
- 2002-06-21 AT AT02755083T patent/ATE343526T1/de not_active IP Right Cessation
- 2002-06-21 WO PCT/FR2002/002168 patent/WO2003000555A1/fr active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO03000555A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2003000555A1 (fr) | 2003-01-03 |
FR2826339B1 (fr) | 2003-12-19 |
EP1401713B1 (fr) | 2006-10-25 |
DE60215650T2 (de) | 2007-02-01 |
ATE343526T1 (de) | 2006-11-15 |
FR2826339A1 (fr) | 2002-12-27 |
DE60215650D1 (de) | 2006-12-07 |
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