CN1898069A - Method and apparatus for the treatment of wood or wood products - Google Patents
Method and apparatus for the treatment of wood or wood products Download PDFInfo
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- CN1898069A CN1898069A CN 200480038368 CN200480038368A CN1898069A CN 1898069 A CN1898069 A CN 1898069A CN 200480038368 CN200480038368 CN 200480038368 CN 200480038368 A CN200480038368 A CN 200480038368A CN 1898069 A CN1898069 A CN 1898069A
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Abstract
A method for the treatment of wood or wood products, in which method moist wood or wood products (1) are dried by first pressing and further by heating so that a desired degree of dryness is reached. In a first stage, the wood or wood products (1) arranged between treating elements (2) are pressed between the treating elements (2) so that a considerable amount of water is removed from the wood being treated, next the treating elements (2) are locked so that the wood or wood products (1) remain compressed between the treating elements (2), and the combination of treating elements (2) and wood or wood products (1) between them thus formed is moved into a drying chamber (D), where the wood or wood products are dried further by applying heat. The invention also relates to an apparatus.
Description
Technical field
The present invention relates to the method that is used to handle timber or woodwork that a kind of preamble as claimed in claim 1 limits, in this method, at first by extruding, further by heating, carry out drying with timber or woodwork, to reach desirable degree of drying to humidity.
The invention still further relates to and a kind ofly be used to make woodwork sheet material, especially sandwich plate, as the method for glued board as claim 8 limits.
The invention still further relates to a kind of device that is used to handle timber or woodwork that preamble limited of claim 15, described device comprises press, and moist timber is at first dry by the press extruding; And the device of heating timber or woodwork, to reach desirable aridity.
The invention still further relates to and a kind ofly be used to make woodwork sheet material, especially sandwich plate, as the device of glued board as claim 23 limits.
Background technology
The method of known treatment timber and woodwork, especially timber, wherein also heating timber simultaneously makes the drying of wood by extruding.Extruding is dry to typically use that the press that is arranged in the hothouse finishes.Such method is disclosed in the specification of WO94/26485.Other extruding drying device is for example disclosed in the specification of FI97961B.The common trait of all these typically is, and the extruding drying of timber and heated drying are same indoor finishing.Therefore, employed pressurizing unit must have sizable thermal resistance, and especially because at drying stage, temperature can rise to a quite high level, promptly is much higher than the boiling point of water.On the other hand, when a large amount of timber of a less important drying, just very high in the drying stage energy needed.Accordingly, when a large amount of timber of a less important processing, need powerful pressurizing unit.
In the manufacturing of glued board, the veneer that is used to produce glued board is usually at an independent drying device inner drying, and after drying is handled, carry out independent extrusion process, wherein, dry veneer is stacked from level to level, adhesive is arranged between the veneer, and veneer is extruded to produce glued board thus.This method need be used multiple different device.
What the objective of the invention is to produce a kind of some shortcoming that can avoid prior art is used to push desiccated wood or the brand-new solution of woodwork.Further purpose of the present invention is to obtain a solution, to reduce dry required energy as much as possible.Another object of the present invention is to produce a kind of solution effectively and flexibly that is used for dry timber.The objective of the invention is to produce a kind of manufacturing woodwork sheet material,, and be used for the dry solution of making employed veneer as glued board.
Summary of the invention
Principal character as the method for the present invention that claim 1 limited is, in the phase I, pushed between treatment element at timber of placing between the treatment element or woodwork, so that from processed timber, remove a large amount of water, next, the locking processing element, so that make timber or woodwork between treatment element, keep compressive state, move to hothouse with treatment element with at their the middle timber that forms or the sub-assembly of woodwork, in hothouse, timber or woodwork are carried out drying by further applying heat.
The supplementary features of method of the present invention are the described feature of claim 2-7.
Principal character as the method for the present invention that claim 8 limited is, the employed woodwork 1 of this method is made up of fresh sheet of veneer, the sheet of veneer of requirement overlays between the treatment element 2, adhesive (as glue) is applied on all sheet of veneer that stack each other, at first at phase I dry slab that forms by veneer and adhesive under first temperature T 1 time and/or the first compression pressure P1, temperature rises to second temperature T 2, and compression pressure rises to the second compression pressure P2.
The supplementary features of method of the present invention are the described feature of claim 9-14.
Principal character as the device of the present invention that claim 15 limited is, this device comprises extrusion chamber separated from one another and hothouse, and treating apparatus, timber or woodwork can be placed between the treating apparatus, treating apparatus can be locked in extrusion position, under this condition, the sub-assembly for the treatment of apparatus and the timber between treating apparatus can move in the hothouse from extrusion chamber, is moved to further the processing stage from that.
The supplementary features of device of the present invention are the described feature of claim 16-22.
As being characterized as of device of the present invention that claim 23 limited, this device comprises the extrusion chamber of holding pressurizing unit, hothouse and treating apparatus, form the gap between the treating apparatus, the interlayer slab of being made up of fresh sheet of veneer that stacks and adhesive can be positioned in this gap, treating apparatus can be locked in extrusion position, treating apparatus and between treating apparatus the sub-assembly of the interlayer slab in the gap can move in the hothouse and/or move to further the processing stage from extrusion chamber.
Device of the present invention further be characterized as the described feature of claim 24-25.
Solution of the present invention has numerous significant advantages.It is more more economical than only carrying out drying by heating to remove some moisture by extruding from timber.The evaporation of moisture need be than the extruding more energy.At the drying stage of reality, when temperature rose to the boiling point that is higher than water, sizable portion of water was removed from timber to be processed, thereby just needed quite few heat with remaining moisture vaporization in the timber.Can be a press a plurality of hothouses and cooling chamber are provided.Thereby to reach identical ability, the amount of single operation process timber to be processed is just little than the amount of only using a hothouse.The structure of the pressurizing unit that compression stage is used can be designed to corresponding less size.In addition, because extrusion chamber and hothouse are separated from one another, thus can in them, keep different conditions, thereby compare with the dry scheme of finishing at the same space with extruding, saved time and energy.Because do not need to consider the requirement of press, and the fan that uses in the hothouse can optimally dispose, so that hothouse can be done is very little.Be arranged at least two fans on the hothouse opposite side by use,, in hothouse, finish extremely effectively air circulation an air-flow that fan was produced is passed to the mode air-guiding of the suction side of another fan.This has further improved the efficient of drying stage.Recuperation of heat in the different phase of this method has further reduced required energy.Use lockable treating apparatus can realize such scheme, timber promptly to be processed also keeps compression at drying stage.By use method and apparatus of the present invention in the manufacturing of glued board, the bonding/compression stage of the sheet material that independent drying stage that aforementioned sheet of veneer can be dried and production are actual combines.Thereby, method and apparatus of the present invention can manufacturing to glued board in required device and whole process realize very big saving.Utilize recuperation of heat and thermal cycle, this device can be saved the energy.
Description of drawings
Below, with reference to example and accompanying drawing the present invention is described in detail, wherein
Fig. 1 has shown foundation schematic representation of apparatus of the present invention,
Fig. 2 has shown the simplification view of the embodiment of the extrusion chamber of cutting open along the II-II line among Fig. 1 of the present invention,
Fig. 3 has shown the part of apparatus of the present invention of cutting open along the III-III line among Fig. 1,
Fig. 4 has shown an embodiment of the hothouse of cutting open along the IV-IV line among Fig. 1 of the present invention,
Fig. 5 has shown an embodiment of the cooling chamber of cutting open along the V-V line among Fig. 1 of the present invention,
Fig. 6 has shown second embodiment of the present invention, and
Solution of the present invention when Fig. 7 has shown the production glued board.
The specific embodiment
Fig. 1 has shown the schematic diagram of one embodiment of the present of invention.This embodiment comprises an extrusion chamber P who is arranged in order, a hothouse D and a cooling chamber C thereafter.
In the method for the invention, timber or woodwork as timber 1, at first are admitted to the set station (not shown).In set station, timber 1 is placed the gap between the treatment element 2 (as heating plate) by (typical case is commonly automation ground).So the timber that is provided with in batch.
Batch of material is admitted to extrusion chamber P.Fig. 2 has shown the sketch of the employed extrusion chamber P of the inventive method.Be positioned at extrusion chamber P by treatment element 2 that stacks and the sub-assembly that places the timber 1 between them to form,, push by 3,4 pairs of these sub-assemblies of extrusion element, thereby timber 1 is compressed between treatment element 2 at this.Typically, by at least one cylinder-piston assembly 4, the variable shaped beam 3 of extrusion element 3,4 is moved.In the drawings in the example of Xian Shiing, the upper surface by 3,4 pairs of top treatment elements 2 of extrusion element presses, and the timber between treatment element is compressed thus.Lowermost end treatment element 2 can be placed in as on the base 7, and base 7 is motionless basically on the direction of extruding.
In extrusion chamber P, the sub-assembly of timber 1 and treatment element 2 is compressed, and touches the thickness be located in the top clearance until treatment element and limits braking member 5, can obtain thus desirable to timber or woodwork compression and extrude free moisture in the timber.The amount of moisture of being removed can account for 50% of water content.Typically, push the amount of moisture of being removed and to account for 20～50% of water content.Used compression pressure depends on the kind of processed timber and the thickness of timber, is typically 5-20kp/cm
2In compression stage, also can heat timber, in this case, depend on the characteristic of processed timber kind, timber is softened and moisture is easier to be removed.The purpose of compression stage is to keep treatment temperature to be lower than the boiling point of water.In compression stage, temperature can be raised as 40-80 ℃.After timber was softening, extruding just was easier to carry out, and if desired, can use lower compression pressure.By keeping temperature to be lower than the boiling point of water, can save the heating energy consumption.It should be noted that processed timber also can be heated by compression.The temperature that compression is produced raises and changes according to the kind of timber or the quality of timber etc.For the timber of some kind, the temperature that extruding is produced raises bigger, does not therefore need additional heat in compression stage, or only needs a small amount of extra heat.By uniform, constant compression force or as change compression pressure, extruding is carried out in desirable mode, thereby made moisture equilibrium in the processed timber.Typically, processed timber its moisture after compression stage is 16-20%.In extrusion process, moisture is removed by the aperture (not shown) that forms in treatment element such as the heating plate.Aperture can be different size and shape, and its quantity becomes according to the situation of embodiment.In one embodiment, treatment element 2 is provided with such as the passage that is used to carry heat medium.Heat medium can be as hot-air and/or the water vapour that obtains from drying stage.Fig. 1 schematically provides the passage 8 of heat medium from hothouse D to extrusion chamber P.This passage is provided with a valve element 9, and it can be by controlling as the control system (not shown) or in some other modes.
In another embodiment, treatment element comprises the passage of formation, so that heat medium, particularly adding hot fluid (as oil) can circulate.
The sub-assembly of treatment element 2 and timber or woodwork is locked, makes the timber or the woodwork that are placed in the top clearance keep compressive state between treatment element 2.In latched position, treatment element 2 is moved usually and leans against on the thickness qualification braking member 5.Fig. 3 provides one and is positioned at the treatment element that is used for foundation method of the present invention of latched position and the schematic diagram of timber sub-assembly.With locking member 6 treatment element is locked in the appropriate location, treatment element and timber sub-assembly are movable among the hothouse D.Locking device 6 is typically mechanical locking.
The spendable heat of drying stage mainly from the used heat that produces in the next stage hothouse D, is mainly steam.Between extrusion chamber P and hothouse D, be provided with a passage 8, be used for heat is passed to the extrusion chamber from hothouse.This passage is provided with a regulating element 9, and as the valve element, it can open and close where necessary.This valve element is preferably a weight valve, and when the steam pressure among the hothouse D raise, valve element 9 was opened, thereby vapor stream enters into extrusion chamber through passage 8.For the sake of clarity, Fig. 1 provides the passage of outdoor.In the practice, be channel selecting the shortest route from the hothouse to the extrusion chamber.
In hothouse D, timber to be processed is heated above the boiling point of water, and like this, the steam chamber of making becomes the space of a basic inertia, this means that the color of the timber of processing is not changed.Timber preferably is heated to above 120 ℃, and to guarantee timber death, promptly structure changes, thereby the timber of handling does not bear distortion or cracking.Carry out the adjusting of temperature in the dry run according to being applicable to the program of every kind of timber to be processed.Target is to make the interior timber to be processed of hothouse be dried to moisture to be generally 8-10%.Hothouse is provided with the device of the effective circulation that is used for medium.As shown in Figure 4, hothouse D is provided with fan 10, and it is placed on the hothouse opposite side, is used to produce the air-flow of the suction side that has been suitable for being led to the fan that is placed on the hothouse opposite side.Thereby the air-flow that fan 10 is produced is supplied with relative fan, has promoted air circulation and drying stage so on the whole.According to this figure, air-flow so just has the effect that produces effectively air-flow circulation in hothouse D by guide wall 11 controls.Hothouse comprises it itself being the known heat exchange elements (not shown) that is used for supplying to hothouse heat.If necessary, can be in hothouse spray water to produce water vapour.In this case, in hothouse, near the timber of handling, form inert space at least.
In case reach the dry result who wants, just batch of material moved to the cooling chamber C from hothouse D.In cooling chamber, timber slowly cools off according to given program.Fig. 5 provides the rough schematic view of cooling chamber C.Cooling chamber typically is provided with at least one fan 14 or analog, to set up more effective air circulation.From cooling chamber C, also may reclaim heat, for example be the heating of extrusion chamber to be used for.The exemplifying passage 13 that can be used as heat transfer pathway that provides of Fig. 1.From the different phase of dry run the recovery of heat has been reduced demand to energy.
As shown in Figure 6, a press P can be furnished with a plurality of hothouse D and cooling chamber C.In this case, timber or woodwork are transferred to of a plurality of hothouse D in selectable mode from the phase I.
Batch of material is moved to the discharge terminal (not shown) from cooling chamber.At discharge terminal, batch of material is unloaded, timber is stacked and packs to transport.
Be used to handle the press that the inventive system comprises of timber or woodwork, timber or woodwork are at first dry by the press extruding, and the device that is used to heat timber or woodwork, to reach desirable aridity.This device comprises independent pressurizing unit 3,4,7, extrusion chamber P, hothouse D and treating apparatus 2, can place timber or woodwork 1 in the gap that between treating apparatus 2, forms, treating apparatus 2 may be locked in extrusion position, the sub-assembly of the timber 1 between treating apparatus and the treating apparatus can be moved to the hothouse D from extrusion chamber P, moves to then further the processing stage.Treating apparatus 2 can be locked to each other by locking device 6.Locking device 6 is preferably mechanical locking.
According to preferred embodiment, this device further comprises and being used for when being necessary from the device of hothouse D to extrusion chamber P transfer of heat.The device of transfer of heat comprises and is provided with the passage 8 of regulating element 9 as the valve element.
According to second embodiment, this device comprises a plurality of hothouse D.In this case, the ability that the ability of pressurizing unit and extrusion chamber P is preferably mated a plurality of hothouse D is promptly supplied a plurality of hothouses.
The sub-assembly for the treatment of apparatus 2 and timber or woodwork 1 moves to another chamber by actuator from a chamber.This device can comprise as move and be used for the sub-assembly for the treatment of apparatus and timber was moved to from a stage carriage in another stage on rail.
Hothouse D is provided with at least two fans 10 that are placed in this chamber opposite side, and is directed to the suction side of the fan that is positioned at this chamber opposite side from fan by the air-flow that fan produces.
Fig. 7 illustrates an embodiment, wherein uses the device according to claim in the manufacturing of glued board.This illustrates the rough schematic view of the extrusion chamber P that uses in the method for the present invention.Promptly being placed on the sub-assembly that the adhesive G that places between sheet of veneer 1 in the gap between the treatment element and the sheet of veneer 1 forms by treatment element 2 that stacks each other and timber is placed in the extrusion chamber P, by extrusion element 3,4 extruding sub-assemblies, make the slab that forms by a plurality of sheet of veneer that stack 1 between treatment element 2, be compressed therein.Typically, the pressure ram 3 of mobile extrusion element 3,4 by at least one cylinder-piston assembly 4.Under the described in the drawings situation,,, make and compress in the gap of slab between treatment element from the upper surface of top treatment element 2 extruding top treatment element 2 by extrusion element 3,4.The treating apparatus 2 of lowermost end for example can be placed on substantially with respect on the motionless base 7 of compression aspect.
In extrusion chamber P, with the sub-assembly of first compression pressure P1 extruding sheet of veneer 1, adhesive G and treatment element 2, for example until arriving the brake component 5 that limits the top clearance height, to reach the compression of desirable sandwich plate slab.In compression stage, also can be at first temperature T 1 time heating timber, the result is, depends on the characteristic of processed timber kind, timber is softened and moisture is easier to be removed.The treatment temperature that phase I will reach is generally and is lower than or near the boiling point of water, as 95-105 ℃.By uniform, constant compression force or as regulate compression pressure, can make to be squeezed under the desirable form and carry out, make moisture equilibrium in the processed timber.In extrusion process, moisture is removed by the aperture (not shown) that forms in treatment element such as the heating plate.Aperture can be different size and shape, and its quantity becomes according to the situation of embodiment.Treating apparatus 2 can be provided with in one embodiment as being used to transmit the passage of heat medium.Heat medium can be formed as the hot-air and/or the water vapour of drying stage by from other stage.In the embodiment that discusses, the woodwork 1 that uses is fresh sheet of veneer, the sheet of veneer of desirable quantity is stacked between treating apparatus 2, on each sheet of veneer that stacks, be applied with adhesive G, as glue, at first, rise to second temperature T 2 in the second stage temperature, and/or compression pressure rises to the second compression pressure P2 at phase I dry slab of forming by sheet of veneer 1 and adhesive G under first temperature T 1 time and/or the first compression pressure P1.In this solution, the adhesive that uses is heat-activatable adhesive G, and it only is activated for 2 times in for example second temperature T.Phase I can finish in extrusion chamber and/or hothouse.Second stage the most typically can be finished in hothouse, but in certain embodiments, other alternative can also be arranged.
In one embodiment, first temperature T 1 is lower than 130 ℃, typically is 95-105 ℃.Accordingly, in second stage of this embodiment, second temperature T 2 is 130 ℃ or higher, is typically 130-140 ℃.According to the degree of drying of sheet of veneer determine slab the phase I remain on first temperature T 1 time and/or the first compression pressure P1 under time span.In case the sheet of veneer of slab is by fully dry, temperature rises to second temperature T 2, as rises to 130-140 ℃, and compression pressure is the value of rising to P2 simultaneously.
According to an embodiment, phase I and second stage are preferably also finished in the same space in same device.On the other hand, but the solution shown in the application drawing 1 and 6 also wherein, each stage is separated, like this, they are finished in different spaces.
The drying that above-mentioned feature can be used in this case, timber or woodwork.
Example
The sheet of veneer that some are fresh stacks each other as 9, applies adhesive in each gap, as glue.Adhesive has the characteristic of thermal activation, so that only for example activating under 130-140 ℃ the temperature.Veneer is at first dry under 895-105 ℃ temperature and low compression pressure.In case veneer is by fully dry, temperature increases to 130-140 ℃, and simultaneously, compression pressure increases.All these take place in same process, preferably also in the same space.
Method and apparatus of the present invention can be used for dry timber, if wish, it also can be used for making the compression plank.In addition, it can be used for making sandwich plate, as glued board.Sheet of veneer dry and use adhesive or combine and merge simultaneously to produce glued board by the veneer that extruding stacks stratification." fresh sheet of veneer " mainly is meant the sheet of veneer of the humidity that also is not dried specially.
What those skilled in the art may be obvious that draws, and the invention is not restricted to the embodiments described, changes in the scope of the claim that it can be below.If necessary, the feature that can use together with the further feature in the specification also can use independent of one another.
Claims (25)
1. handle timber or woodwork for one kind, especially make the method for sandwich plate, in this method,, further come dry live wood or woodwork (1),, it is characterized in that to reach desirable aridity by heating at first by extruding:
In the phase I, pushing timber or the woodwork (1) that is placed between the treatment element (2) between the treatment element (2), so that from timber to be processed, remove a large amount of water, next, locking processing element (2), make timber or woodwork (1) between treatment element (2), keep compressive state, with treatment element (2) and the timber that forms betwixt or the sub-assembly of woodwork (1) move in the hothouse (D), in hothouse (D), timber or woodwork are carried out drying by further applying heat.
2. according to the described method of claim 1, it is characterized in that: in the phase I,, heat timber to be processed or woodwork (1), preferably be heated to the temperature of the boiling point that is lower than water promptly in compression stage.
3. according to claim 1 or 2 described methods, it is characterized in that: the temperature that timber that hothouse (D) is interior or woodwork (1) are heated above the boiling point of water.
4. according to each described method among the claim 1-3, it is characterized in that: when in case of necessity, heat medium is transmitted from hothouse (D) as air and/or steam, to use in compression stage.
5. according to each described method among the claim 1-4, it is characterized in that: timber to be processed or woodwork (1) are transferred to of a plurality of hothouses (D) from the phase I in selectable mode.
6. according to each described method among the claim 1-5, it is characterized in that: the sub-assembly of timber or woodwork (1) and treatment element (2) is moved in the cooling chamber (C).
7. according to each described method among the claim 1-6, it is characterized in that: the sub-assembly of timber or woodwork (1) and treatment element (2) is moved to discharge terminal from cooling chamber (C), at this timber or woodwork are unloaded from treatment element, and move to further the processing stage.
8. one kind is used to produce woodwork sheet material, especially the method for sandwich plate such as glued board, it is characterized in that: the employed woodwork of this method (1) is made up of fresh sheet of veneer, the sheet of veneer of requirement overlays between the treatment element (2), adhesive such as glue are applied on all sheet of veneer that stack each other, at first descend and/or the dry down slab that forms by veneer and adhesive of first compression pressure (P1) in first temperature (T1) in the phase I, temperature rises to second temperature (T2), and compression pressure rises to second compression pressure (P2).
9. according to the described method of claim 8, it is characterized in that: the adhesive that uses is the adhesive of thermal activation, and it for example is activated in second temperature (T2).
10. according to claim 8 or 9 described methods, it is characterized in that: first temperature (T1) is lower than about 130 ℃, preferred 95-105 ℃.
11. according to each described method among the claim 8-10, it is characterized in that: second temperature (T2) is higher than about 130 ℃, preferred 130-140 ℃.
12., it is characterized in that: determine that according to the degree of drying of sheet of veneer slab remains under first temperature (T1) and/or the time span under first compression pressure (P1) in the phase I according to each described method among the claim 8-11.
13. according to each described method among the claim 8-12, it is characterized in that: phase I and second stage are preferably also finished in the same space in same device.
14. according to each described method among the claim 8-13, it is characterized in that: in the phase I, if desired, moisture is increased, for example with the aridity difference of balanced each sheet of veneer.
15. device of handling timber or woodwork, described device comprises press, live wood is at first dry by the press extruding, and the device that is used to heat timber or woodwork, to reach desirable aridity, it is characterized in that: this device comprises the extrusion chamber (P) that comprises independent pressurizing unit, hothouse (D), and treating apparatus (2), timber or woodwork (1) can be placed in the gap that is formed between the treating apparatus (2), treating apparatus can be locked in extrusion position, and the sub-assembly for the treatment of apparatus and the timber between treating apparatus (1) can move in the hothouse from extrusion chamber, moves to further the processing stage from that.
16. according to the described device of claim 15, it is characterized in that: this device further comprises necessary the time from the device of hothouse (D) to extrusion chamber (P) transfer of heat.
17. according to the described device of claim 16, it is characterized in that: the device of transfer of heat comprises and is provided with the passage (8) of regulating element (9) as the valve element.
18. according to each described device among the claim 15-17, it is characterized in that: this device comprises a plurality of hothouses (D).
19. according to each described device among the claim 15-18, it is characterized in that: the ability of pressurizing unit and extrusion chamber (P) is suitable for supplying a plurality of hothouses (D).
20. according to each described device among the claim 15-19, it is characterized in that: the sub-assembly of treatment element (2) and timber or woodwork (1) moves to another chamber by actuator from a chamber.
21. according to each described device among the claim 15-20, it is characterized in that: hothouse (D) comprises at least two fans that are arranged on the hothouse opposite side, air-flow is directed to the suction side that is arranged on fan on the hothouse opposite side from fan.
22. according to each described device among the claim 15-21, it is characterized in that: treatment element (2) is locked to each other by locking device (6).
23. one kind is used to make woodwork sheet material, especially sandwich plate, device as glued board, it is characterized in that: this device comprises the extrusion chamber (P) of holding pressurizing unit, hothouse (D) and treating apparatus (2), the interlayer slab of being made up of fresh sheet of veneer that stacks (1) and adhesive (G) can be positioned over the gap that forms between the treating apparatus, treating apparatus can be locked in extrusion position, treating apparatus and between treating apparatus the sub-assembly of the interlayer slab (1) in the gap can move in the hothouse and/or move to further the processing stage from extrusion chamber.
24. according to the described device of claim 23, it is characterized in that: extrusion chamber and hothouse are the same space.
25. according to the described device of claim 23, it is characterized in that: extrusion chamber and hothouse are for dividing other space.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20031697A FI119285B (en) | 2003-11-21 | 2003-11-21 | Method and apparatus for treating wood or wood products |
| FI20031697 | 2003-11-21 | ||
| FI20041278 | 2004-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1898069A true CN1898069A (en) | 2007-01-17 |
Family
ID=29558666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480038368 Pending CN1898069A (en) | 2003-11-21 | 2004-11-18 | Method and apparatus for the treatment of wood or wood products |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1898069A (en) |
| FI (1) | FI119285B (en) |
| ZA (1) | ZA200605060B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102365157A (en) * | 2009-04-02 | 2012-02-29 | 奥林巴斯株式会社 | Method of producing compressed wood product |
| CN104006634A (en) * | 2014-05-16 | 2014-08-27 | 黄达宏 | Steam direct pressure type drying device of veneer materials |
| CN106403522A (en) * | 2016-10-11 | 2017-02-15 | 许钢 | Board vacuum drying oven provided with board drying rack |
| CN106827165A (en) * | 2016-12-25 | 2017-06-13 | 重庆义三木业有限公司 | The cooling means of particieboard |
| CN108544613A (en) * | 2018-03-19 | 2018-09-18 | 李宏江 | Soft timber or its waste material are changed into the device and manufacturing method of hard plank |
| CN108582377A (en) * | 2018-03-29 | 2018-09-28 | 华南农业大学 | A kind of compressed wood of the wood compression-original position with the integrated method of autoclaving and its preparation |
| CN111152318A (en) * | 2020-03-04 | 2020-05-15 | 宁波械色自动化技术有限公司 | Batten optimization device for synchronously performing batten drying and anti-cracking processes |
| CN113146771A (en) * | 2021-06-01 | 2021-07-23 | 南平市华泰木竹有限公司 | Efficient and energy-saving veneer drying process method |
| CN113442248A (en) * | 2021-06-04 | 2021-09-28 | 广州市跃谋建筑咨询有限公司 | Gum dipping paper material composite board poplar skin batch processing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20050649L (en) * | 2005-06-17 | 2006-12-18 | Teknocomp Oy | A method for treating wood or wood products |
-
2003
- 2003-11-21 FI FI20031697A patent/FI119285B/en not_active IP Right Cessation
-
2004
- 2004-11-18 CN CN 200480038368 patent/CN1898069A/en active Pending
- 2004-11-18 ZA ZA200605060A patent/ZA200605060B/en unknown
Cited By (13)
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Also Published As
| Publication number | Publication date |
|---|---|
| ZA200605060B (en) | 2008-03-26 |
| FI20031697A0 (en) | 2003-11-21 |
| FI20031697A (en) | 2005-05-22 |
| FI119285B (en) | 2008-09-30 |
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