FR2881364A1 - Recycling process of composite pieces comprises maintaining the pieces in magnetic levitation, melting thermoplastic material, applying magnetic field of induction to heat steel wire and separating the material while dripping - Google Patents
Recycling process of composite pieces comprises maintaining the pieces in magnetic levitation, melting thermoplastic material, applying magnetic field of induction to heat steel wire and separating the material while dripping Download PDFInfo
- Publication number
- FR2881364A1 FR2881364A1 FR0500915A FR0500915A FR2881364A1 FR 2881364 A1 FR2881364 A1 FR 2881364A1 FR 0500915 A FR0500915 A FR 0500915A FR 0500915 A FR0500915 A FR 0500915A FR 2881364 A1 FR2881364 A1 FR 2881364A1
- Authority
- FR
- France
- Prior art keywords
- pieces
- thermoplastic material
- tunnel
- magnetic field
- induction
- 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
- 239000012815 thermoplastic material Substances 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000005339 levitation Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 4
- 239000010959 steel Substances 0.000 title claims abstract description 4
- 238000000034 method Methods 0.000 title claims description 16
- 238000004064 recycling Methods 0.000 title claims description 7
- 230000006698 induction Effects 0.000 title claims description 6
- 239000000463 material Substances 0.000 title abstract description 4
- 230000008569 process Effects 0.000 title description 4
- 238000002844 melting Methods 0.000 title description 2
- 230000008018 melting Effects 0.000 title description 2
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
- B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/32—Magnetic separation acting on the medium containing the substance being separated, e.g. magneto-gravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B17/0206—Selectively separating reinforcements from matrix material by destroying the interface bound before disintegrating the matrix to particles or powder, e.g. from tires or belts
- B29B17/021—Selectively separating reinforcements from matrix material by destroying the interface bound before disintegrating the matrix to particles or powder, e.g. from tires or belts using local heating of the reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0255—Specific separating techniques using different melting or softening temperatures of the materials to be separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/08—Transition metals
- B29K2705/12—Iron
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Procédé de recyclaqe de matière composite.Process for recycling composite material.
L'invention concerne un procédé de recyclage de matière composite. The invention relates to a method for recycling composite material.
La réalisation de pièces de structure en matière synthétique est faite couramment grâce à des matériaux composites. On connaît par exemple une technique de fabrication utilisant une armature en fibres de verre enduite d'une matière thermodurcissable telle que de la résine époxy ou du polyester. Pour la fabrication de ces pièces, on utilise un moule ayant une empreinte ouverte, on dispose une nappe de fibres de verre ou un tissu de verre, puis on enduit les fibres de résine thermodurcissable. Après polymérisation, on obtient une pièce en matériau composite. The production of structural parts made of synthetic material is commonly made using composite materials. For example, a manufacturing technique is known that uses a fiberglass reinforcement coated with a thermosetting material such as epoxy resin or polyester. For the manufacture of these parts, using a mold having an open cavity, a sheet of glass fibers or a glass fabric is placed, then the fibers are coated with thermosetting resin. After polymerization, a piece of composite material is obtained.
Cependant, la pièce ne peut pas être valorisée en fin de vie par une opération de recyclage. En effet, la résine thermodurcissable ne peut pas être valorisée. Or, il est souhaitable, pour des contraintes environnementales, de pouvoir valoriser les matériaux des pièces qui sont arrivées en fin de vie. However, the part can not be recovered at the end of its life by a recycling operation. Indeed, the thermosetting resin can not be valorized. However, it is desirable, for environmental constraints, to be able to value the materials of parts that have reached the end of life.
L'invention vise à fournir un procédé de recyclage de pièces en matière composite. The invention aims to provide a method of recycling parts made of composite material.
Avec ces objectifs en vue, l'invention a pour objet un procédé de recyclage d'une matière composite, caractérisé en ce que la matière composite est en morceaux et comporte du fil métallique magnétique dans une matrice de matière thermoplastique, procédé selon lequel on maintient les morceaux en lévitation magnétique, on chauffe la matière thermoplastique jusqu'à ce que la matière thermoplastique fonde et se sépare des fils métalliques en gouttant. With these objectives in view, the subject of the invention is a process for recycling a composite material, characterized in that the composite material is in pieces and comprises magnetic wire in a matrix of thermoplastic material, a process according to which the magnetically levitated pieces, the thermoplastic material is heated until the thermoplastic material melts and separates the metal son by dripping.
Le demandeur propose de réaliser des pièces en matière composite ayant une matrice en matière thermoplastique enrobant une structure en fil métallique et magnétique. A la fin de la vie d'une telle pièce, on peut donc facilement séparer la structure métallique de la matière thermoplastique par le procédé proposé selon l'invention. Les pièces sont débitées en morceaux si nécessaire, par exemple par une opération de broyage ou de déchiquetage. On sépare la partie métallique de la partie en matière thermoplastique pour pouvoir ensuite les valoriser. La lévitation magnétique permet d'éviter l'agglomération des morceaux sur les parois d'un contenant. The applicant proposes to produce composite material parts having a matrix of thermoplastic material coating a wire and magnetic structure. At the end of the life of such a room, one can easily separate the metal structure of the thermoplastic material by the method proposed according to the invention. The pieces are cut into pieces if necessary, for example by a grinding or shredding operation. The metal part is separated from the part made of thermoplastic material so that it can then be valorised. Magnetic levitation avoids the agglomeration of pieces on the walls of a container.
De manière particulière, on applique un champ magnétique d'induction pour chauffer les fils métalliques et, par conduction, la matière thermoplastique. On chauffe par ce moyen directement les morceaux, sans perdre d'énergie pour chauffer autre chose. In particular, an induction magnetic field is applied to heat the metal wires and, by conduction, the thermoplastic material. The pieces are heated directly by this means, without losing energy to heat anything else.
Selon un mode de réalisation, les morceaux sont maintenus en lévitation dans un tunnel à une première extrémité duquel les morceaux sont introduits, les morceaux étant transportés progressivement vers une deuxième extrémité du tunnel, la matière thermoplastique fondue étant récupérée sur une paroi interne du tunnel. According to one embodiment, the pieces are held in levitation in a tunnel at a first end of which the pieces are introduced, the pieces being transported progressively to a second end of the tunnel, the molten thermoplastic material being recovered on an inner wall of the tunnel.
Selon un perfectionnement, on module un champ magnétique de lévitation pour provoquer un mouvement saccadé des morceaux. On sépare ainsi plus efficacement la matière thermoplastique de la partie métallique. According to an improvement, a levitation magnetic field is modulated to cause jerky movement of the pieces. This effectively separates the thermoplastic material from the metal part.
De manière particulière, les fils métalliques sont en acier. In particular, the metal son are steel.
L'invention sera mieux comprise et d'autres particularités et avantages apparaîtront à la lecture de la description qui va suivre, la description faisant référence à la figure 1 qui est une vue schématique d'un dispositif mettant en oeuvre le procédé selon l'invention. The invention will be better understood and other features and advantages will appear on reading the description which follows, the description referring to FIG. 1 which is a schematic view of a device implementing the method according to the invention. .
Le procédé selon l'invention peut être mis en oeuvre par le dispositif 1 de la figure 1. Le dispositif comporte un tunnel fixe 10, dont l'axe principal A est incliné par rapport à l'horizontale. Une trémie 11 est placée en regard d'une première entrée 101 du tunnel, celle qui est la plus haute, pour alimenter le tunnel 10 en morceaux 2. Le tunnel 10 est entouré d'un circuit de lévitation 12 permettant de générer un champ magnétique dans le tunnel 10 apte à maintenir en lévitation des morceaux 2 contenant un matériau magnétique. Le tunnel 10 est également entouré d'un circuit d'induction 13 pour chauffer par induction les morceaux 2. The method according to the invention can be implemented by the device 1 of Figure 1. The device comprises a fixed tunnel 10, the main axis A is inclined relative to the horizontal. A hopper 11 is placed opposite a first entrance 101 of the tunnel, which is the highest, to feed the tunnel 10 into pieces 2. The tunnel 10 is surrounded by a levitation circuit 12 for generating a magnetic field in the tunnel 10 able to maintain in levitation pieces 2 containing a magnetic material. The tunnel 10 is also surrounded by an induction circuit 13 for inductively heating the pieces 2.
Le tunnel 10 comporte à proximité de la deuxième extrémité 102 un orifice 103 par lequel de la matière thermoplastique 21 fondue peut s'écouler dans un réceptacle 4 de matière thermoplastique. La deuxième extrémité 102 du tunnel débouche en regard d'un réceptacle de métaux 5. The tunnel 10 comprises near the second end 102 an orifice 103 through which molten thermoplastic material 21 can flow into a receptacle 4 of thermoplastic material. The second end 102 of the tunnel opens opposite a metal receptacle 5.
Le dispositif permet de recycler des pièces réalisées en matériau composite à base de fils métalliques magnétiques et de matière thermoplastique. Ces pièces sont par exemple des armatures de sièges automobiles. Les fils métalliques sont arrangés par exemple en tresse. De telles pièces peuvent être réalisées en utilisant pour la tresse des fils enrobés de matière thermoplastique, en plaçant la tresse dans une moule et en chauffant les fils par induction. La matière thermoplastique se ramollit alors et s'agglomère sur les fils métalliques pour former le matériau composite. En fin de vie de ces pièces, elles peuvent être réduites en morceaux 2 par une opération de broyage ou de déchiquetage, avec des dimensions adaptées au passage dans le dispositif 1. The device recycles parts made of composite material based on magnetic metal son and thermoplastic material. These parts are for example car seat frames. The metal son are arranged for example in braid. Such parts can be made by using for the braid son coated with thermoplastic material, placing the braid in a mold and heating the son by induction. The thermoplastic material then softens and agglomerates on the metal wires to form the composite material. At the end of the life of these parts, they can be reduced to pieces 2 by a grinding or shredding operation, with dimensions adapted to pass through the device 1.
Les morceaux 2 sont disposés dans la trémie 11 qui les introduit ensuite dans le tunnel 10 avec un débit régulier. Les morceaux 2 sont maintenus en lévitation dans le tunnel 10 par l'effet du champ de lévitation généré par le circuit de lévitation 12 et se déplacent progressivement vers la deuxième extrémité 102. Par l'action du champ généré par le circuit d'induction 13, les morceaux 2 sont chauffés par la partie métallique 20 qui reçoit le champ. La matière thermoplastique 21 est chauffée par la chaleur reçue par conduction en provenance de la partie métallique 20 au point de fondre. Sous l'effet de la gravité, la matière thermoplastique 21 se sépare de la partie métallique 20 qui continue à être maintenue en lévitation dans le tunnel 10. La partie métallique se déplace jusqu'à la deuxième extrémité 102 où le champ de lévitation cesse de faire effet, de telle sorte que la partie métallique 20 tombe dans le réceptacle de métaux S. The pieces 2 are arranged in the hopper 11 which then introduces them into the tunnel 10 with a regular flow. The pieces 2 are held in levitation in the tunnel 10 by the levitation field effect generated by the levitation circuit 12 and move progressively towards the second end 102. By the action of the field generated by the induction circuit 13 the pieces 2 are heated by the metal part 20 which receives the field. The thermoplastic material 21 is heated by the heat received by conduction from the metal portion 20 to the melting point. Under the effect of gravity, the thermoplastic material 21 separates from the metal part 20 which continues to be levitated in the tunnel 10. The metal part moves to the second end 102 where the levitation field ceases to effect, so that the metal portion 20 falls into the metal receptacle S.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0500915A FR2881364B1 (en) | 2005-01-31 | 2005-01-31 | PROCESS FOR RECYCLING COMPOSITE MATERIAL |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0500915A FR2881364B1 (en) | 2005-01-31 | 2005-01-31 | PROCESS FOR RECYCLING COMPOSITE MATERIAL |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2881364A1 true FR2881364A1 (en) | 2006-08-04 |
| FR2881364B1 FR2881364B1 (en) | 2007-03-30 |
Family
ID=34979718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0500915A Expired - Fee Related FR2881364B1 (en) | 2005-01-31 | 2005-01-31 | PROCESS FOR RECYCLING COMPOSITE MATERIAL |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2881364B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756056A (en) * | 2012-06-27 | 2012-10-31 | 蚌埠市施封锁有限公司 | High-frequency fusing part of steel wire fusing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760158B (en) * | 2015-04-10 | 2017-06-20 | 民勤县家兴节能服务有限公司 | Waste mulching film reclaims processing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4142107A1 (en) * | 1991-12-19 | 1993-06-24 | Luthner Metall Recycling | Recovery of metals from scrap esp. underground cable - with different non-ferrous metals separated by m.pt. in revolving tube furnace, after removal of ferrous metal |
| US5483042A (en) * | 1990-06-04 | 1996-01-09 | Nordson Corporation | Magnetic separator |
| DE19600482A1 (en) * | 1995-11-11 | 1997-05-15 | Schaefer Elektrotechnik Sonder | Recycling process for mixed plastics including other materials |
| EP1181982A1 (en) * | 2000-08-23 | 2002-02-27 | Japan Society for the Promotion of Science | Method for separation of plastic mixtures based on magneto-archimedes levitation |
-
2005
- 2005-01-31 FR FR0500915A patent/FR2881364B1/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5483042A (en) * | 1990-06-04 | 1996-01-09 | Nordson Corporation | Magnetic separator |
| DE4142107A1 (en) * | 1991-12-19 | 1993-06-24 | Luthner Metall Recycling | Recovery of metals from scrap esp. underground cable - with different non-ferrous metals separated by m.pt. in revolving tube furnace, after removal of ferrous metal |
| DE19600482A1 (en) * | 1995-11-11 | 1997-05-15 | Schaefer Elektrotechnik Sonder | Recycling process for mixed plastics including other materials |
| EP1181982A1 (en) * | 2000-08-23 | 2002-02-27 | Japan Society for the Promotion of Science | Method for separation of plastic mixtures based on magneto-archimedes levitation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756056A (en) * | 2012-06-27 | 2012-10-31 | 蚌埠市施封锁有限公司 | High-frequency fusing part of steel wire fusing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2881364B1 (en) | 2007-03-30 |
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