CN108501152A - A kind of technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood - Google Patents
A kind of technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood Download PDFInfo
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- CN108501152A CN108501152A CN201710107535.2A CN201710107535A CN108501152A CN 108501152 A CN108501152 A CN 108501152A CN 201710107535 A CN201710107535 A CN 201710107535A CN 108501152 A CN108501152 A CN 108501152A
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- 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
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
-
- 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
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
-
- 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
- B27K5/04—Combined bleaching or impregnating and drying of wood
-
- 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
- B27M1/02—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by compressing
-
- 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
- B27K2240/00—Purpose of the treatment
- B27K2240/30—Fireproofing
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention proposes that a kind of technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood, including sorting intercept are sliced to dry or dry to weigh for the first time and are packaged vacuum pressed impregnation low-temperature heat modification super-pressure flexible compression forming and hardening demoulding finishing inspection storage；When super-pressure flexible compression forming processes, lateral oil cylinder first carries out first time compacting, stops as criterion distance position 5mm；Vertical oil cylinder starts second of compacting, when pressing pressure reaches 500kg/cm2When pressure head stop motion and 3 5s of pressurize, 3 5mm of backhaul later；Lateral oil cylinder continues compacting in place, and vertical oil cylinder continues compacting until pressure is 750 1400kg/cm later2；Cured solidification temperature is 90 115 DEG C.The present invention had not only reduced the cost of drying, but also enhanced ageing resistance, shear strength, fire protecting performance and the density uniformity of Scrimber.
Description
Technical field
The present invention relates to timber buildings beam column and plank production technical fields, and it is flexible to particularly relate to a kind of novel ultrahigh pressure
The technique of half wet process Prepare restructuring wood.
Background technology
Scrimber is under the premise of not upsetting lumber fibre orientation, retaining timber fundamental characteristics, by various low-qualitys
Material is split into soft filiform or flake, by make after impregnation cold pressing fiber recombinate a kind of big density to be formed, high intensity,
Novel timber wear-resistant, with natural wood texture structure.Substitute of the Scrimber as high-quality hardwood, can be used for furniture
Or the manufacture of product.The prior art mostly uses dry method compact technique Prepare restructuring wood, the moisture content of dry method pressing requirements raw material
15% must not be higher than, thus raw material needs carry out drying and processing after impregnation, which had both increased being produced into for Scrimber
This, and moisture in lumber fibre is caused to be largely lost so that the ageing resistance that finished product recombinates wood section is deteriorated, in follow-up use
It easily cracks, deform.Existing Scrimber production technology how is improved, the cost of drying and processing is reduced, production efficiency is improved, changes
The ageing resistance of kind Scrimber, is the current technical issues that need to address.
Invention content
To solve the above the deficiencies in the prior art, the present invention proposes a kind of novel ultrahigh pressure flexibility half wet process Prepare restructuring
The technique of wood.
The technical proposal of the invention is realized in this way：
A kind of technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood, sorting-intercept-slice-drying or drying-, which are weighed, beats
Packet-vacuum pressed impregnation-low-temperature heat modification-super-pressure flexible compression molding-solidification-demoulding-finishing-inspection-storage；
After drying or drying and processing, the moisture content of bamboo chip is：3%≤moisture content≤15%, average moisture content 8-10%；
Low-temperature heat modification temperature is 40-68 DEG C, drying time at least 12h, the moisture content of bamboo material after low-temperature heat modification
25-38%；
The concrete operation method of super-pressure flexible compression forming processes is：Lateral oil cylinder first carries out first time compacting, when distance is marked
Level stops when setting 5mm；Vertical oil cylinder starts second of compacting, when pressing pressure reaches 500kg/cm2When pressure head stop motion
And pressurize 3-5s, later backhaul 3-5mm；Lateral oil cylinder continues compacting in place on the basis of suppressing first time, later vertical oil
Cylinder continues compacting on the basis of suppressing for second until pressure is 750-1400kg/cm2；
Cured solidification temperature is 90-115 DEG C.
Compared with prior art, the present invention has following improvement：
1, slow low-temperature heat modification is carried out after raw material impregnation, until its moisture content is 25-38%, and traditional technique
It is moisture content of the raw material at most 15% after requirement impregnation, compared with prior art, the present invention had both reduced the cost of drying, also ensured that
Moisture in wood-fibred is effectively fixed；Simultaneously the novalac polymer being impregnated in the fibre during low temperature modification by
Low molecular weight is quickly converted to high molecular weight, but also Scrimber finished section bar is aqueous uniformly, the dehydration in subsequent use
Possibility substantially reduces, and is not easy to crack even if curing the finished product continuous use decades on this basis, significantly improve
The anti-aging property of Scrimber；In addition, slowly low-temperature heat modified technique makes the shear strength of Scrimber finished section bar, prevents
Fiery performance is increased substantially；
2, super-pressure compacting is combined by super-pressure flexible compression with flexible compacting, significantly improve product density uniformity and
The consistency of product quality, compared with the pressing mode of the primary compacting such as traditional cold pressing or heating compacting in place, present invention wound
The super-pressure flexible compression that the property made proposes " can rub " raw material, and the product quality of acquisition is consistent, even density；
3, solidification temperature is low, high financial profit, since moisture is high in wood-fibred, will produce when it is heated to 90 DEG C
High pressure more than 1MPa, high pressure so that the temperature that moisture vaporizes is more than 110 DEG C, and glue has begun to cure at this time, and moisture is not
Vaporization, so the moisture in the Scrimber finished section bar of production can be very good to be kept to enhance the toughness of finished section bar；It is existing
It is mostly 120-135 DEG C to have the solidification temperature that technology uses, and present invention significantly reduces solidification temperatures, save energy；
4, it is cooperation low-temperature heat modification, packing of weighing is carried out before impregnation, packing of weighing both had facilitated carry out low-temperature heat
It is modified, and help to help improve production efficiency, reduce production cost.
Preferably, when vacuum pressed dipping process, vacuum -0.085MPa, pressurize at least 20min impregnations；It is forced into 0.2-
0.6MPa, pressurize at least 30min, glue is uniformly, be fully impregnated with to the lumen of wood-fibred after vacuum pressed dipping process.
Vacuum pressed impregnation the specific steps are：
1st step, carry out pipeline coherence check after, open vacuum line switch and vacuum pump extract vacuum, vacuum degree not less than-
Vacuum 20min is kept when 0.085MPa；
2nd step closes vacuum line and vacuum pump, confirms and opens glue inlet tube way switch after having enough glue in storage glue tank, wait for glue into
Glue inlet tube way switch is closed after full and opens air balance switch places 8-10min；
3rd step closes air balance switch, opens air pressure switch and pressurize, and as pressure 0.2-0.6MPa, pressurize is extremely
Few 30min；
Air pressure switch is opened after the completion of 4th step, impregnation, allows compressed air to be transferred to second and has taken out vacuum and needed to press
In the impregnation tank of contracting air, this switch is closed after pressure balance, then continued to the with the storing compressed air that compressed air fills
Two impregnation tank inflations；
Gas switch is closed after 5th step, air pressure balance and starts pumping glue pump, and the glue in impregnation tank is drawn back to storage glue filling above
It is interior；
Hydraulic cylinder suppresses adhesive extra in the raw material of packed impregnation to come in 6th step, startup impregnation tank；Together
Glue extra on raw material is discharged to -0.05MPa, pressurize at least 20min for Shi Kaiqi vacuum pumps vacuum.
Further include removing compressed air pressure and evacuating impregnation tank it is further preferred that when vacuum pressed dipping process
Start the oil cylinder installed in impregnation tank while interior glue and 1-3 low pressure compacting is carried out will be mixed in raw material to loose raw material
Glue squeeze out, reduce consumption of the raw material to glue.
It is further preferred that curing is：Ultra high pressure compression raw material after molding is piled up to solidification kiln car, then
Solidification is placed in kiln car in solidification kiln, the temperature for curing kiln is controlled using following procedure temperature-raising method：90-110 DEG C of holding
4h, 120-140 DEG C of holding 7h, 90 DEG C of holding 3h, 80 DEG C of holding 3h, 70 DEG C keep 2h, and 2h is kept after cooled to room temperature.
After solidification is placed in solidification kiln with kiln car, the front/rear door for closing solidification kiln leads to hot wind again, and the temperature of hot-blast outlet is not
It obtains and is higher than 150 DEG C；After the completion of solidification, the finished product on solidification kiln car is pulled out into kiln, is unloaded natural again after piling up to target location
It places for 24 hours, is demoulded again later.
It is further preferred that raw material includes one or more in bamboo, salix monogolica, poplar, cotton stalk, palm.
More preferably, when raw material is bamboo, the bamboo chosen in sorting processing is that felling time and outdoor storage time are equal
Hsinchu no more than 2 days, specification are：3 years≤growth period≤6 year, diameter 25-120mm, nothing was seriously damaged by worms, no moldy metamorphism.
The bamboo material requirement that the present invention chooses is virgin material, that is, cut down the time be no more than 2 days, into factory after the outdoor storage time do not surpass
2 days virgin materials are crossed, virgin material preferably deposits in the clean, cement flooring without soil.
It is highly preferred, bamboo blueness, tabasheer are first removed after intercept processing, then be sliced, bamboo material is by intercept, slicing treatment
The thin bamboo plate of thickness≤2.5mm, width≤35mm are obtained afterwards.
The technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood proposed by the present invention both reduced drying and processing at
This, and the ageing resistance, shear strength and fire protecting performance of Scrimber are enhanced, production efficiency is also improved, application is worth.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with the embodiment of the present invention.Obviously, described
Embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without creative efforts, belongs to protection of the present invention
Range.
Embodiment 1
A kind of technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood, includes the following steps：Sorting-intercept-slice-the first
Packing-vacuum pressed impregnation-low-temperature heat modification-super-pressure flexible compression molding-solidification-demoulding-is dried-is weighed in secondary drying
Finishing-inspection-storage；
The porcelain bamboo for choosing Guangdong is raw material, which cut down before 1 day, and specification is：Growth period is 3 years, diameter 25mm, without serious
It damages by worms, no moldy metamorphism；
Bamboo blueness, tabasheer are first removed after intercept 3000mm processing, then is sliced, bamboo material obtains thickness after intercept, slicing treatment
Spend the thin bamboo plate of 2mm, width 10mm；
After drying for the first time or drying and processing, the moisture content of bamboo chip is：3%≤moisture content≤15%, average moisture content 9%；
When vacuum pressed dipping process, vacuum is suppressed to 0.6MPa, pressurize 30min, and glue is uniform, complete after vacuum pressed dipping process
It is dipped into entirely in the lumen of bamboo chip fiber；After vacuum pressed dipping process, removes compressed air pressure and evacuate in impregnation tank
Start the oil cylinder installed in impregnation tank while glue and glue of 2 low pressure compactings will be mixed in raw material is carried out to loose raw material
It squeezes out, reduces consumption of the raw material to glue；
The drying temperature that low-temperature heat is modified is 40 DEG C, drying time 12h, the moisture content 32- of the modified bamboo material of low-temperature heat
38%；
The concrete operation method of super-pressure flexible compression forming processes is：Lateral oil cylinder first carries out first time compacting, when distance is marked
Level stops when setting 5mm；Vertical oil cylinder starts second of compacting, when pressing pressure reaches 500kg/cm2When pressure head stop motion
And pressurize 3s, later backhaul 3mm；Lateral oil cylinder continues compacting in place on the basis of suppressing first time, and vertical oil cylinder exists later
Continue compacting on the basis of second of compacting until pressure is 750kg/cm2；
Cured solidification temperature is 85 DEG C, and curing is：Ultra high pressure compression bamboo material after molding is piled up to solidification kiln car
On, then solidification is placed in kiln car and is cured in kiln, the temperature for curing kiln is controlled using following procedure temperature-raising method：90 DEG C of holdings
4h, 120 DEG C of holding 7h, 90 DEG C of holding 3h, 80 DEG C of holding 3h, 70 DEG C keep 2h, and 2h is kept after cooled to room temperature.
Embodiment 2
A kind of technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood, includes the following steps：Sorting-intercept-slice-the first
Packing-vacuum pressed impregnation-low-temperature heat modification-super-pressure flexible compression molding-solidification-demoulding-is dried-is weighed in secondary drying
Finishing-inspection-storage；
The cizu for choosing Sichuan is raw material, which cut down before 2 days, and specification is：4 years, diameter 80mm growth period, without serious worm
Moth, no moldy metamorphism；
Bamboo blueness, tabasheer are first removed after intercept 3200mm processing, then is sliced, bamboo material obtains thickness after intercept, slicing treatment
Spend the thin bamboo plate of 2.5mm, width 25mm；
After drying for the first time or drying and processing, the moisture content of bamboo chip is：3%≤moisture content≤15%, average moisture content 8%；
When vacuum pressed dipping process, vacuum is suppressed to 0.4MPa, pressurize 30min, and glue is uniform, complete after vacuum pressed dipping process
It is dipped into entirely in the lumen of bamboo chip fiber；After vacuum pressed dipping process, removes compressed air pressure and evacuate in impregnation tank
Start the oil cylinder installed in impregnation tank while glue and glue of 1 low pressure compacting will be mixed in raw material is carried out to loose raw material
It squeezes out, reduces consumption of the raw material to glue；
Low-temperature heat modification temperature be 55 DEG C, drying time for 24 hours, the moisture content 28-32% of the modified bamboo material of low-temperature heat；
The concrete operation method of super-pressure flexible compression forming processes is：Lateral oil cylinder first carries out first time compacting, when distance is marked
Level stops when setting 5mm；Vertical oil cylinder starts second of compacting, when pressing pressure reaches 500kg/cm2When pressure head stop motion
And pressurize 5s, later backhaul 5mm；Lateral oil cylinder continues compacting in place on the basis of suppressing first time, and vertical oil cylinder exists later
Continue compacting on the basis of second of compacting until pressure is 1000kg/cm2；
Cured solidification temperature is 100 DEG C, and curing is：Ultra high pressure compression bamboo material after molding is piled up to solidification kiln car
On, then solidification is placed in kiln car and is cured in kiln, the temperature for curing kiln is controlled using following procedure temperature-raising method：95 DEG C of holdings
4h, 130 DEG C of holding 7h, 90 DEG C of holding 3h, 80 DEG C of holding 3h, 70 DEG C keep 2h, and 2h is kept after cooled to room temperature.
Embodiment 3
A kind of technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood, includes the following steps：Sorting-intercept-slice-the first
Packing-vacuum pressed impregnation-low-temperature heat modification-super-pressure flexible compression molding-solidification-demoulding-is dried-is weighed in secondary drying
Finishing-inspection-storage；
The moso bamboo in the Hunan cut down before choosing 1 day is raw material, and specification is：6 years, diameter 120mm growth period, nothing are seriously damaged by worms, nothing
Moldy metamorphism；
First remove that bamboo is green, tabasheer after intercept processing, then be sliced, bamboo material obtained after intercept, slicing treatment thickness 1mm,
The thin bamboo plate of width 10mm；
After drying for the first time or drying and processing, the moisture content of bamboo chip is：3%≤moisture content≤15%, average moisture content 10%；
When vacuum pressed dipping process, vacuum is suppressed to 0.2MPa, pressurize 40min, and glue is uniform, complete after vacuum pressed dipping process
It is dipped into entirely in the lumen of bamboo chip fiber；After vacuum pressed dipping process, removes compressed air pressure and evacuate in impregnation tank
Start the oil cylinder installed in impregnation tank while glue and glue of 3 low pressure compactings will be mixed in raw material is carried out to loose raw material
It squeezes out, reduces consumption of the raw material to glue；
The drying temperature that low-temperature heat is modified is 68 DEG C, drying time 12h, the moisture content 25- of the modified bamboo material of low-temperature heat
28%；
The concrete operation method of super-pressure flexible compression forming processes is：Lateral oil cylinder first carries out first time compacting, when distance is marked
Level stops when setting 5mm；Vertical oil cylinder starts second of compacting, when pressing pressure reaches 500kg/cm2When pressure head stop motion
And pressurize 4s, later backhaul 4mm；Lateral oil cylinder continues compacting in place on the basis of suppressing first time, and vertical oil cylinder exists later
Continue compacting on the basis of second of compacting until pressure is 1400kg/cm2；
Cured solidification temperature is 115 DEG C, and curing is：Ultra high pressure compression bamboo material after molding is piled up to solidification kiln car
On, then solidification is placed in kiln car and is cured in kiln, the temperature for curing kiln is controlled using following procedure temperature-raising method：100 DEG C of guarantors
4h is held, 140 DEG C of holding 7h, 90 DEG C of holding 3h, 80 DEG C of holding 3h, 70 DEG C keep 2h, and 2h is kept after cooled to room temperature.
Embodiment 4
Raw material in embodiment 1 is changed to salix monogolica, remaining process conditions is same as Example 1.
Embodiment 5
Raw material in embodiment 2 is changed to poplar, remaining process conditions is same as Example 2.
Embodiment 6
Raw material in embodiment 3 is changed to cotton stalk, remaining process conditions is same as Example 3.
Embodiment 7
Raw material in embodiment 3 is changed to palm, remaining process conditions is same as Example 3.
Test characterization：
Anti-aging property detection is carried out to the product obtained by embodiment 1-7, degradation condition is with reference to the U.S. the harshest
Standard ASTM D1037：Six cyclical acceleration aging processes carry out.Points of 6 periods of the aging of the standard carry out, each cycle include with
Lower step：（1）1h is impregnated in water, temperature is 49 ± 2 DEG C；（2）3h is handled in steam and vapor, temperature is 93 ± 3 DEG C；
（3）20h is placed under freezing environment, environment temperature is -12 ± 3 DEG C,（This project is done 1 time for every 3 months）；（4）Dry 3h, temperature are
99±2℃（This project is done 1 time for every 3 months）；（5）It is handled in steam and vapor, temperature is 93 ± 3 DEG C（Every 3 months of this project
It does 1 time）；（6）Dry 18h, temperature are 99 ± 2 DEG C.Each period needs 48h, 6 periods to need 288h altogether.
Degradation carried out to the Scrimber of embodiment 1-7, when inspection, each embodiment was sampled 1, sample size 50mm
× 50mm × 50mm, extraction location are the end face of proximate matter.Before aging, the surface of each embodiment sample is without any processing.
Specific degradation condition is as follows：（1）1h is impregnated in water, temperature is 90 ± 2 DEG C；（2）12h is handled in steam and vapor, temperature
Degree is 100 ± 1 DEG C；（3）20h is placed under freezing environment, environment temperature is -12 ± 3 DEG C,（This project is done 1 time for every 3 months）；
（4）Dry 3h, temperature are 99 ± 2 DEG C（This project is done 1 time for every 3 months）；（5）Handled in steam and vapor, temperature be 100 ±
1℃（This project is done 1 time for every 3 months）；（6）Dry 18h, temperature are 99 ± 2 DEG C.By above-mentioned more harsher than Unite States Standard
After anti-aging processing, test result is as follows shown in table for the product extraction sample block of embodiment 1-7, and without small cracking phenomena.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (7)
- Packing-vacuum pressed impregnation-low-temperature heat modification-super-pressure flexible compression 1. intercept-slice-drying or drying-are weighed Molding-solidification-demoulding-finishing-inspection-storage；After the drying or drying and processing, the moisture content of raw material is：3%≤moisture content≤15%, average moisture content 8-10%；The temperature that the low-temperature heat is modified is 40-68 DEG C, drying time at least 12h, the modified raw material of low-temperature heat Moisture content is 25-38%；The concrete operation method of the super-pressure flexible compression forming processes is：Lateral oil cylinder first carries out first time compacting, when away from Stop when from normal place 5mm；Vertical oil cylinder starts second of compacting, when pressing pressure reaches 500kg/cm2When pressure head stop Simultaneously pressurize 3-5s is moved, later backhaul 3-5mm；Lateral oil cylinder continues compacting in place on the basis of suppressing first time, erects later Continue compacting until pressure is 750-1400kg/cm on the basis of suppressing for second to oil cylinder2；The cured solidification temperature is 90-115 DEG C.
- 2. the technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood according to claim 1, it is characterised in that：It is described When vacuum pressed dipping process, vacuum -0.085MPa, pressurize at least 20min impregnations；It is forced into 0.2-0.6MPa, pressurize is at least 30min, glue is uniformly, be fully impregnated with to the lumen of bamboo fibre after vacuum pressed dipping process.
- 3. the technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood according to claim 2, it is characterised in that：It is described Further include starting in impregnation tank while removing compressed air pressure and evacuating glue in impregnation tank when vacuum pressed dipping process The oil cylinder of interior installation carries out 1-3 low pressure to loose raw material and suppresses to squeeze out the glue being mixed in raw material, reduces raw material Consumption to glue.
- 4. the technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood according to claim 1, it is characterised in that：It is described Curing is：Ultra high pressure compression raw material after molding is piled up to solidification kiln car, then solidification is placed in solidification with kiln car In kiln, the temperature for curing kiln is controlled using following procedure temperature-raising method：90-110 DEG C holding 4h, 120-140 DEG C holding 7h, 90 DEG C 3h, 80 DEG C of holdings 3h, 70 DEG C of holding 2h is kept to keep 2h after cooled to room temperature.
- 5. according to the technique of claim 1-4 any one of them novel ultrahigh pressure flexibility half wet process Prepare restructuring wood, feature It is：The raw material includes one or more in bamboo, salix monogolica, poplar, cotton stalk, palm.
- 6. the technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood according to claim 5, it is characterised in that：Work as original When material is bamboo, the bamboo chosen in the sorting processing is the Hsinchu for cutting down time and outdoor storage time no more than 2 days, specification For：3 years≤growth period≤6 year, diameter 25-120mm, nothing was seriously damaged by worms, no moldy metamorphism.
- 7. the technique of novel ultrahigh pressure flexibility half wet process Prepare restructuring wood according to claim 6, it is characterised in that：It is described Bamboo blueness, tabasheer are first removed after intercept processing, then is sliced, and bamboo obtains thickness≤2.5mm, width after intercept, slicing treatment The thin bamboo plate of degree≤35mm.
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