EP4007684A1 - Method for heating at least one portion of an inner surface of a wooden container and device for the implementation thereof - Google Patents
Method for heating at least one portion of an inner surface of a wooden container and device for the implementation thereofInfo
- Publication number
- EP4007684A1 EP4007684A1 EP20734193.4A EP20734193A EP4007684A1 EP 4007684 A1 EP4007684 A1 EP 4007684A1 EP 20734193 A EP20734193 A EP 20734193A EP 4007684 A1 EP4007684 A1 EP 4007684A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wooden container
- heating
- discrete elements
- support
- wooden
- 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.)
- Withdrawn
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 13
- 230000005484 gravity Effects 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 5
- 230000003100 immobilizing effect Effects 0.000 claims description 2
- 238000007791 dehumidification Methods 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27H—BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
- B27H5/00—Manufacture of tubes, coops, or barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27H—BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
- B27H5/00—Manufacture of tubes, coops, or barrels
- B27H5/08—Finishing barrels, e.g. cutting grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
Definitions
- the present application relates to a method for heating at least part of an interior surface of a wooden container as well as to a device for its implementation.
- a wooden container is understood to mean a barrel, a barrel, a barrel or the like, used for maturing a wine or aging a spirit.
- Document EP2012971 describes a process for regenerating a wooden container which comprises a step of projecting a mineral abrasive against the interior surface of the wooden container in order to remove an area of wood damaged by deposits and microorganisms.
- a lance is introduced into the wooden container via the bung hole.
- This lance presenting a nozzle for projecting the abrasive, is fixed on a support configured to translate it into the wooden container and rotate it on itself so that the jet of abrasive coming out of the nozzle acts on the entire surface. interior of the wooden container.
- This process for regenerating wooden containers is fully satisfactory because it allows the interior surface of the wooden container to be treated without the need to dismantle it.
- This regeneration process is generally followed by a heating process.
- a heating process At least one of the bottoms of the wooden container and generally both are dismantled to position the wooden container vertically around a heat source, such as a brazier for example.
- a heat source such as a brazier for example.
- the brazier can be replaced by several electrical resistors or by infrared heating systems positioned on a support moved relative to the interior surface of the wooden container, as illustrated in document JP2000043007. Even if this solution makes it possible to automate the heating and obtain greater regularity, it is still necessary to dismantle the bottoms in order to be able to introduce the support of the electric resistances in the wooden container. Thus, regardless of the procedure of the prior art, at least one of the bottoms of the wooden container must be dismantled in order to carry out the heating and be heated separately. This disassembly and reassembly operation is laborious, requires time and impacts the cost of the heating process.
- the present invention aims to remedy all or part of the drawbacks of the prior art.
- the invention relates to a method for heating at least part of an interior surface of a wooden container, characterized in that the method comprises a first step of introducing discrete conductive elements. , movable between them, in the wooden container via an orifice of the wooden container as well as a step of producing at least one electromagnetic field in the environment of the discrete elements, said electromagnetic field being emitted by a source positioned at the exterior of the wooden container.
- the magnetic field and / or the discrete elements are configured to obtain a temperature greater than or equal to 200 ° C at the level of the interior surface;
- the discrete elements have a spherical shape and a diameter between 5 and 30 mm;
- the method comprises a step of rotating the wooden container on itself
- the method comprises a step of tilting the wooden container alternately at first and second opposite inclinations
- the method comprises an emptying step aimed at removing the discrete elements from the wooden container by gravity;
- the discrete elements are preheated before being introduced into the wooden container;
- the method comprises a step of drying and / or dehumidifying the interior of the wooden container before the step of introducing the discrete elements.
- the invention also relates to a heating device characterized in that it comprises a first support configured to support a wooden container, a plurality of elements discrete conductors, movable between them, configured to be introduced into the wooden container via an orifice of the wooden container, as well as at least one source, positioned outside the wooden container, configured to emit an electromagnetic field causing a heating of the discrete elements present inside the wooden container.
- Figure 1 is a schematic sectional view of a heating device for a wooden container which illustrates an embodiment of the invention
- Figure 2 is a side view of a discrete induction heating element which illustrates a first embodiment of the invention
- Figure 3 is a side view of a discrete induction heating element which illustrates a second embodiment of the invention
- Figure 4 is a side view of a discrete induction heating element which illustrates a third embodiment of the invention
- FIG. 5 is a perspective view of a heating device which illustrates an embodiment of the invention
- FIG. 6 is a perspective view of a processing line for a wooden container incorporating the heating device visible in FIG. 5 which illustrates an embodiment of the invention
- FIG. 7 is a perspective view of a station for pre-treating a wooden container during the installation of a wooden container
- Figure 8 is a perspective view of the pre-treatment station visible in Figure 7 during the pre-treatment of the wooden container
- Figure 9 is a perspective view of the processing line visible in Figure 6 when filling the wooden container with discrete elements
- FIG. 10 is a perspective view of the heating device visible in FIG. 5 in a first inclined position
- FIG. 11 is a perspective view of the heating device visible in Figure 5 in a second inclined position
- FIG. 12 is a perspective view of a station for emptying the wooden container after the heating step which illustrates an embodiment of the invention.
- a wooden container 10 comprises a body 12 open at its two ends as well as two bases 14 closing the two ends of the body 12
- the body 12 has an axis of revolution A12 and a main interior surface.
- Each bottom 14 is positioned in a transverse plane, perpendicular to the axis of revolution A12, and has a secondary interior surface.
- the sum of the main and secondary interior surfaces forms the interior surface F10 of the wooden container 10.
- the wooden container 10 is not further described because it is known to those skilled in the art.
- This wooden container 10 may have been initially heated by a heating method of the prior art, used for maturing a wine and regenerated using the method described in document EP2012971. Alternatively, the wooden container 10 may never have been heated and used.
- the wooden container 10 comprises at least one orifice 16 allowing the interior of the wooden container 10 to communicate with the outside.
- This orifice 16 is also called a bung hole.
- this orifice 16 has a diameter of the order of 40 mm, in all cases less than 100 mm.
- This orifice 16 makes it possible to fill the wooden container with a liquid to be stored or to empty it.
- the orifice 16 is positioned on the body 12, equidistant from the ends 14.
- the invention is not limited to this position.
- the orifice 16 could be positioned at the level of one of the funds 14.
- the heating process comprises a first step of introducing discrete conductive elements 18 into the wooden container via the orifice 16, the latter coming by gravity into contact with at least part of the interior surface F10 of the wooden container 10. , as well as a step of producing at least one electromagnetic field 20 in the environment of the discrete elements 18 emitted by a source 22 positioned outside the wooden container 10.
- This electromagnetic field 20 generates heating by induction of the discrete elements 18 present in the wooden container 10, which causes the heating of the interior surface F10 of the wooden container 10 in contact with the discrete elements 18.
- a heating phenomenon also includes the phenomena of burning, carbonization or any other phenomenon causing deterioration of the wood due to a rise in temperature.
- the magnetic field 20 and / or the discrete elements 18 are configured to obtain a temperature greater than or equal to 200 ° C. at the level of the interior surface F10.
- the discrete elements 18 are made of an electrically conductive material, such as for example aluminum, bismuth, ceramic, iron, tin. These discrete elements 18 are solid elements of small dimensions which can have different sections, as illustrated in Figures 2 to 4.
- each discrete element 18 has a diameter of between 5 and 30 mm. The diameter is chosen so as to obtain good flow of the discrete elements 18 when passing through the orifice 16 and good heating of said discrete elements 18.
- the discrete elements 18 have an ovoid shape.
- the largest dimension should be less than 30 mm.
- the discrete elements 18 have an approximately cubic shape.
- the discrete elements can be solid or hollow.
- the discrete elements 18 are elements of small dimensions, movable between them so as to obtain a flow of the discrete elements 18 to allow the passage of a large volume of discrete elements 18 through an orifice. 16 of reduced dimensions such as a bung hole in a wooden container 10.
- the heating of the interior surface F10 is more or less intense.
- the intensity of the heating is adjusted according to the duration of contact between the discrete elements 18 and the interior surface F10 and / or the temperature of the discrete elements 18 which can be parameterized according to the parameters of the electromagnetic field 20.
- their temperature can be constant or variable.
- the temperature of the discrete elements 18 can follow a temperature cycle by modulating the characteristics of the electromagnetic field 20.
- the discrete elements 18 are preheated to a temperature greater than or equal to 230 ° C before being introduced into the wooden container 10.
- the heating process comprises a step of rotating the wooden container 10 on itself, about an axis of rotation coincident with the axis of revolution A12. As the wooden container 10 rotates, the discrete elements 18 flow and / or roll on the interior surface F10 of the wooden container 10.
- the heating method can also include a step of inclining the wooden container 10, around an axis of inclination perpendicular to the axis of rotation, alternately according to first and second opposite inclinations, as illustrated in FIGS. 10 and 11.
- This solution makes it possible to treat the interior surface of each bottom 14 simultaneously with that of the body 12.
- the wooden container 10 is rotated on itself and its axis of revolution A12 is inclined about a pivot axis substantially perpendicular to the axis of revolution A12, towards the rear so that the discrete elements 18 are in contact with a first bottom then forward so that the discrete elements 18 are in contact with the second bottom 14.
- the orifice 16 Prior to the rotation of the wooden container 10, the orifice 16 is closed with a plug 24.
- the heating process comprises an emptying step aimed at removing the discrete elements 18 from the wooden container 10.
- the orifice 16 Prior to the emptying step, the orifice 16 is opened by removing the plug 24. According to one procedure, this emptying is produced by gravity, the orifice 16 being positioned at a low point of the wooden container 10.
- the heating process may include a pre-treatment, such as a step of drying and / or dehumidifying the interior of the wooden container 10 prior to the step of introducing the discrete elements 18.
- the heating process may include at least one step. subsequent to the step of emptying the wooden container 10, such as a step of inerting the interior of the wooden container 10.
- a method of treating a wooden container 10 comprises a regeneration method as described in document EP 2012971 as well as a heating method as described above.
- a heating device for implementing the previously described heating method comprises a first support 26 configured to support an approximately horizontal wooden container 10 (approximately horizontal axis of revolution A12), a source 22 configured to emit an electromagnetic field 20 causing heating of the discrete elements 18 present inside the wooden container 10.
- the source 22 is positioned in the first support 26, under the wooden container 10, directly above the latter in operation.
- the first support 26 comprises two pairs of rollers 28, a first pair of rollers 28 being positioned in an approximately transverse plane near a first base 14, a second pair of rollers 28 being positioned in a plane approximately transverse near a second bottom 14.
- the rollers 28 are arranged so that the axis of revolution A12 of the wooden container 10 positioned on the first support 26 is approximately horizontal.
- the first support 26 is configured to allow the setting in rotation of the wooden container 10 along an axis of rotation coincident with the axis of revolution A12.
- each roller 28 comprises a pivot axis A28 allowing it to pivot on itself and to drive the wooden container 10 in rotation by adhesion.
- At least one of the rollers 28 is coupled to a motorization 30 to drive it in rotation. At least one roller 28 of each pair of rollers 28 is coupled to a motor 30, as illustrated in FIG. 1.
- the heating device also comprises a system for tilting the wooden container 10 positioned on the first support 26.
- the heating device comprises a frame 32 supporting the first support 26, an articulation 34 connecting the first support 26 and the frame 32, having at least one pivot axis A34 substantially horizontal and perpendicular to the axis of rotation of the wooden container 10, at least one actuator 36 configured to rotate the first support 26 relative to the frame 32 about the pivot axis A34.
- the heating device comprises a pair of stops 38 for immobilizing in translation the wooden container 10 in a direction parallel to the axis of revolution A12.
- the heating device comprises two actuators 36, approximately vertical, which each have an upper end 36.1 movable relative to a slide 40 integral with the first support 26.
- At least one of the stops 38 is retractable to allow the placement of a wooden container 10 on the first support 26.
- Each stop 38 comprises a leg 42 having a first end 42.1 connected to the first support 26 and a second end 42.2 connected. to a plate 44 configured to be pressed against one of the bases 14 of the wooden container 10 in operation.
- each plate 44 comprises a coating allowing it to slide against the bottom 14 of the wooden container 10.
- each stop 38 comprises an articulation interposed between the plate 44 and the leg 42 to allow the plate 44 to pivot, like the wooden container 10, relative to the leg 42.
- the invention is not limited to the embodiment described above for rotating and / or tilting the wooden container 10.
- the heating device also comprises a reservoir 46 configured to store the discrete elements 18 prior to their introduction into the wooden container 10.
- the reservoir 46 is a hopper positioned in height to allow flow of the discrete elements 18. by gravity from the hopper to the wooden container 10.
- the tank 46 is equipped with a pipe 48, a first end of which is connected to a tap provided in the lower part of the tank 46 and of which a second end is configured to be introduced into the wooden container 10 through the port 16.
- the outlet of the reservoir 46 includes a valve to control the flow of the discrete elements 18.
- the reservoir 46 comprises a heating system for preheating the discrete elements 18 prior to their introduction into the wooden container 10.
- the heating device comprises an emptying station 50 which comprises a second support 52 supporting the wooden container 10 during the emptying step.
- the second support 52 comprises two pairs of rollers 54, a first pair of rollers 54 being positioned in an approximately transverse plane near a first base 14, a second pair of rollers 54 being positioned in a plane transverse approximately transverse near a second bottom 14.
- the rollers 54 are arranged so that the wooden container 10, positioned on the second support 52, has an approximately horizontal axis of revolution A12.
- the second support 52 is configured to allow the wooden container 10 to be rotated.
- each roller 54 comprises a pivot axis allowing it to pivot on itself.
- the setting in rotation of the wooden container 10 can be manual or motorized by coupling at least one of the rollers 54 to a motor.
- the emptying station 50 includes a collection bin 56 positioned under the second support 52 and configured to collect by gravity the discrete elements 18 during the emptying step.
- the emptying station 50 comprises a conveyor 58 making it possible to route the discrete elements 18 from the collection bin 56 to the reservoir 46.
- the heating device comprises a control station making it possible to control the source 22, the rotation and the inclination of the wooden container 10 on the first support 26.
- a control station making it possible to control the source 22, the rotation and the inclination of the wooden container 10 on the first support 26.
- the parameters being adjustable precisely, it is possible to obtain, in an automated or semi-automated manner, repeatability of the heating.
- the processing line comprises a drying and / or dehumidification station 60.
- a drying and / or dehumidification station 60 which comprises a third support 62 (substantially identical to the first and second supports 26, 52) visible in FIG. 7, as well as a cap 64, visible in FIG. 8, movable between an open position in which it allows the installation of a wooden container 10 on the third support 62 and a closed position in which the cap 64 is in contact with the third support 62 so as to enclose the wooden container 10 positioned on the third support 62 in a sealed enclosure.
- the third support 62 and / or the cap 64 comprise at least one drying and / or dehumidification system.
- the processing line may include at least one system for moving the wooden containers 10 from one station to another, such as for example a crane.
- the wooden container 10 is positioned on the third support 62, as illustrated in Figure 7.
- the cap 64 is positioned in the closed position, as illustrated in Figure 8.
- the drying step and / or dehumidification can then be carried out.
- the cap 64 is moved to the open position and the wooden container 10 is moved on the first support 26, as illustrated in FIG. 9. It is then filled with discrete elements 18 via the orifice. 16. After filling, orifice 16 is blocked and the heating operation can then begin. During the heating step, the wooden container is tilted forward, as shown in Figure 10, and rearward, as shown in Figure 11, while pivoting on itself.
- the wooden container 10 is moved on the second support 52, the orifice 16 being oriented upwards.
- the stopper 24 is then removed and then the wooden container 10 is rotated so that the orifice 16 faces downwards.
- the discrete elements 18 come out of the wooden container 10 and flow into the collection tank 56.
- a new wooden container 10 can be positioned at the level of the drying and / or dehumidification station 60. and be dried and / or dehumidified.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
- General Induction Heating (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1908800A FR3099398B1 (en) | 2019-08-01 | 2019-08-01 | Method of heating at least part of an interior surface of a wooden container and device for its implementation |
PCT/EP2020/067557 WO2021018482A1 (en) | 2019-08-01 | 2020-06-23 | Method for heating at least one portion of an inner surface of a wooden container and device for the implementation thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4007684A1 true EP4007684A1 (en) | 2022-06-08 |
Family
ID=68807018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20734193.4A Withdrawn EP4007684A1 (en) | 2019-08-01 | 2020-06-23 | Method for heating at least one portion of an inner surface of a wooden container and device for the implementation thereof |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4007684A1 (en) |
FR (1) | FR3099398B1 (en) |
WO (1) | WO2021018482A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0640437A (en) * | 1992-07-14 | 1994-02-15 | Erumu:Kk | Reclamining method for wooden barrel and wooden barrel reclaiming processing device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4204667B2 (en) * | 1998-07-31 | 2009-01-07 | サントリー株式会社 | Barrel roasting machine and barrel roasting method using the same |
FR2900357B1 (en) | 2006-04-28 | 2009-03-20 | Barena Sarl | METHOD FOR REGENERATING FUTS OR THE LIKE AND DEVICE FOR IMPLEMENTING THE SAME |
-
2019
- 2019-08-01 FR FR1908800A patent/FR3099398B1/en active Active
-
2020
- 2020-06-23 EP EP20734193.4A patent/EP4007684A1/en not_active Withdrawn
- 2020-06-23 WO PCT/EP2020/067557 patent/WO2021018482A1/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0640437A (en) * | 1992-07-14 | 1994-02-15 | Erumu:Kk | Reclamining method for wooden barrel and wooden barrel reclaiming processing device |
Also Published As
Publication number | Publication date |
---|---|
WO2021018482A1 (en) | 2021-02-04 |
FR3099398A1 (en) | 2021-02-05 |
FR3099398B1 (en) | 2021-07-09 |
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