CN107030824A - The production method of scientific and technological wood skin - Google Patents
The production method of scientific and technological wood skin Download PDFInfo
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- CN107030824A CN107030824A CN201710295182.3A CN201710295182A CN107030824A CN 107030824 A CN107030824 A CN 107030824A CN 201710295182 A CN201710295182 A CN 201710295182A CN 107030824 A CN107030824 A CN 107030824A
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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
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/02—Staining or dyeing wood; Bleaching wood
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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
- 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
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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
- 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
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L1/00—Debarking or removing vestiges of branches from trees or logs; Machines therefor
- B27L1/10—Debarking or removing vestiges of branches from trees or logs; Machines therefor using rotatable tools
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of production method of scientific and technological wood skin, comprise the following steps：Log is blocked, rotary-cut is removed the peel, the wood raw material of size needed for obtaining；Wood raw material is bleached, dyes and obtains stained wood；It is 30%~50% that stained wood, which is dried to moisture content,；Then the dyeing wood skin of size needed for rotary-cut is obtained；Dyeing wood skin is dried with plate-press dryer, moisture control is 8%~12%；Dried dyeing wood skin is entered into trip temperature Ageing Treatment.According to the scientific and technological wood skin of the production method production of the present invention, do not recombinate, do not destroy natural wood vein, 10 procedures are eliminated compared with traditional science wood production, with advantages such as energy-saving and environmental protection.
Description
Technical field
The present invention relates to wood deep processing field, more particularly to a kind of production method of scientific and technological wood skin.
Background technology
Recombinant Wood production be using one kind by common wood, artificial fast growing wood as raw material, in process, not break
The natural attribute of bad timber, can change common wood, artificial fast growing wood natural defect again, realize the high-value-use of timber, substitute
The wood deep processing technique of rare rare tree timber resources.Typically the production technology of Recombinant Wood is：The veneer of product design one
Manufacture a veneer and shear the finished product of one sawing of veneer toning one veneer drying, one veneer gluing, one compression molding, one saw lumber one.Science and technology
Wood opens new way for the protection of wildwood resource, how to improve Recombinant Wood production technique, and forest tree resource is carried out to integrate profit
It is the important topic that wood working industry faces with, green utilization to meet the demand of social development.
Scientific and technological wood skin is a kind of new face decoration material, and production is main using the carbonization of wood and wood staining as two masters
Direction, Chinese patent literature CN201310110340.5 discloses " a kind of wooden production technology of new technology ", and it can only be to veneer
Charing process is carried out, acquisition wood color is limited, Chinese patent literature CN104493937A provides a kind of raising timber reactive dye
The method of dye fixing rate, simple with technique, easily, dye fixing rate is high, good level-dyeing property for industrializing implementation, and color is various,
But obtain thicker scientific and technological plank or square bar, it is necessary to dipping hot pressing is carried out to thin plate and is recombinated, but the timber formaldehyde after dipping is released
It is high-volume more serious, it is impossible to directly apply to indoor furniture, decoration and Floor Industry.
Blank veneer is made by rotary-cut or slicing in Chinese patent literature CN105461873A, and biomass nano cellulose increases
The dyeing processing of immersion toughening flame-proof is carried out in the ternary built solution of solvent, fire retardant and acid dyes composition, is then recombinated, then
Saw lumber, but the wood skin texture obtained is inflexible, and striped is unnatural and color transition is stiff.
Therefore, obtain one kind and be not required to restructuring, the production technology that the scientific and technological wood skin of the natural lines of timber is not destroyed is this area
Urgent need to solve the problem.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art not recombinated there is provided one kind, does not destroy timber
The production method of the scientific and technological wood skin of native texture.
In order to solve the above technical problems, there is provided a kind of production method of scientific and technological wood skin, comprising the following steps：
S1, log blocked, rotary-cut peeling, the wood raw material of size needed for obtaining；
S2, the wood raw material bleached, dyes and obtains stained wood；
S3, by the stained wood dry to moisture content be 30%~50%；Then the dyeing of size needed for rotary-cut is obtained
Wood skin；
S4, by it is described dyeing wood skin dried with plate-press dryer, moisture control is 8%~12%；
S5, by it is dried dyeing wood skin enter trip temperature Ageing Treatment.
Above-mentioned production method, it is preferred that in the S1 steps, in the S1 steps, the diameter of the log is not more than
During 150mm, log rounding is obtained into round log；When the diameter of the log is more than 150mm, by the rounding into required size
Veneer.
Above-mentioned production method, it is preferred that in the S2 steps, the wood raw material is bleached, preceding process is dyed
Sodium hydroxide solution processing, sodium hydroxide solution processing be specially after wood raw material is vacuumized be forced into 0.6~
1.0MPa, is 2g/L in concentration, and temperature is soaks 4h in 40~50 DEG C of NaOH solution；It is in vacuum by the wood raw material
0.5h is handled under 0.08MPa.
Above-mentioned production method, it is preferred that the S2 steps are specially：
After S2-1, the wood raw material for treating sodium hydroxide solution are vacuumized, bleaching of pressurizeing is immersed in hydrogen peroxide, is taken out
Vacuum obtains bleaching timber；
It S2-2, will be vacuumized after the bleaching drying of wood, and then be immersed in dye liquor dyeing of pressurizeing, then vacuumize；
S2-3, using soda ash carry out fixation obtain stained wood.
Above-mentioned production method, it is preferred that the S2 steps are further comprising the steps of：
S2-4, with soaping, liquid is soaped the stained wood.
Above-mentioned production method, it is preferred that in the S2-3 steps, the mass concentration of the soda ash is 20g/L；It is described
In S2-4 steps, the Na of the LR-2 soaping agent and 20g/L of the liquid of soaping including 1wt%2SiO3。
Above-mentioned production method, it is preferred that the S2-1 steps are specially：The timber that the NaOH solution is treated is former
Material vacuumizes 0.5h under -0.08MPa, is then immersed in concentration for 4~6%, and temperature is in 40~50 DEG C of hydrogen peroxide, pressurization
To 0.2~0.6MPa, 2~3h is bleached；Timber is vacuumized into 0.5h under -0.08MPa to obtain bleaching timber.
Above-mentioned production method, it is preferred that the S2-2 steps are specially：The bleaching timber is placed in into 40~50 DEG C to do
It is 27%~33% to be dried in dry kiln to moisture content；Then 0.5h is vacuumized under -0.08MPa；Then will bleaching timber immersion
In the mixed solution containing 0.5wt% reactive dye and 40g/L glauber salt, 40~50 DEG C are warming up to, it is forced into 0.6~
1.0MPa carries out 3~4h of dyeing；Then timber is vacuumized into 0.5h under -0.08MPa.
Above-mentioned production method, it is preferred that the hydrogen peroxide and reactive dye are heated by waste heat of boiler tail gas.
Above-mentioned production method, it is preferred that will be described using the waste heat of hydrogen peroxide and reactive dye in the S2-2 steps
Bleach the drying of wood.
Above-mentioned production method, it is preferred that institute is dried using the waste heat of hydrogen peroxide and reactive dye in the S3 steps
State stained wood.
Above-mentioned production method, it is preferred that temperature Ageing Treatment is specially described in the S5 steps：At room temperature, will
Dried dyeing wood skin is laid between the upper and lower base plate of cold press, is flattened more than 8 hours with 0.1~0.3MPa.
Compared with prior art, the advantage of the invention is that：
(1) the invention provides a kind of production method of scientific and technological wood skin, 10 procedures are eliminated compared with traditional science wood production,
And the wood skin processed through above-mentioned processing step, more traditional common Recombinant Wood wood skin has wood skin naturally comfortable, process without glue,
Without aldehyde, the wood skin produced definitely environmental protection, color transition nature, wood grain is clear, and global stereopsis is strong, can by above-mentioned technique
The industrialized production that scale is had more than common dyeing Recombinant Wood is realized, the loss of wood skin production process is reduced, wood utilization is improved
Rate.Greatly improve production automation level and improve production efficiency.
(2) the invention provides a kind of production method of scientific and technological wood skin, using reactive dye, pressurization, auxiliary heat can contaminate various
Compared with thick timber, the round log or the lumps of wood of diameter or thickness 150mm can be contaminated, contaminate even.Pressurization can get through the infiltration lane of timber, promote
Enter the infiltration of dyestuff in wood.Auxiliary heat energy increases the solubility of dyestuff, promotes momentum transmission and matter of the dyestuff on timber
Amount transmission, so that larger-size timber dye is saturating.Bleaching liquid and dyeing liquor are heated using residual heat from boiler fume, Recombinant Wood is reduced
Dyeing energy consumption and cost.
(3) the invention provides a kind of production method of scientific and technological wood skin, the wood skin of rotary-cut has been the lustful wood skin of dye, has been not required to
Rotary-cut or slicing are recombinated again, and this causes scientific and technological wood skin environmental protection, is entirely free of aldehyde.
(4) the invention provides a kind of production method of scientific and technological wood skin, dyeing wood skin is added using plate-press dryer
Heat, it is flue gas after dyed process is exchanged with bleaching, dye liquor that its thermal source is a kind of, it is another be dyeing with after bleaching liquid discharge from
The thermal source of body, with the advantage such as energy-conserving and environment-protective, drying effect be good.
Brief description of the drawings
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.
Fig. 1 is the flow chart of the production technology of the embodiment of the present invention 1.
Fig. 2 is the UTILIZATION OF VESIDUAL HEAT IN schematic diagram of the scientific and technological wood skin of production in the embodiment of the present invention 1.
Fig. 3 is the middle plateform drying machine thermal source schematic diagram of the embodiment of the present invention 1.
Fig. 4 is stained wood outside drawing in the embodiment of the present invention 1.
Embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
Limit the scope of the invention.
Material and instrument employed in following examples and comparative example are commercially available.
Embodiment 1
A kind of production technology of scientific and technological wood skin of the invention, by taking the scientific and technological wood skin of poplar as an example, referring to Fig. 1, specifically include with
Lower step：
(1) log is blocked：Log is truncated into the veneer bolt that length is 1025mm by shear.
(2) pre- rotary-cut：The length blocked is subjected to rounding to diameter 150mm for 1025mm veneer bolt by peeler
Round log is obtained, the requirement by thickness 0.5mm length 2025mm of extra diameter is peeled into wood skin, forms thickness 0.5mm × length
2025mm × width 1025mm wood skin (scientific and technological wood skin being prepared by raw material of wood skin, its production technology is consistent with log).
(3) dye：
3.1st, by the good 2m of rotary-cut3The round log of diameter 150mm specifications loads to be vacuumized under pretreatment tank, -0.08MPa
0.5h.2 tons of 2g/L, 40 DEG C of sodium hydroxide solutions are then injected into, 0.6MPa is forced into, round log is immersed in sodium hydroxide solution
4h.Then the sodium hydroxide solution during dyeing is filled is released, round log is vacuumized into 0.5h under -0.08MPa, obtains pretreated
Round log.
3.2nd, pretreated round log is transferred in bleaching filling, after vacuumizing 0.5h under -0.08MPa, in bleaching is filled
(hydrogen peroxide solution uses waste heat of boiler tail gas in 2 tons of mass percentage concentrations 4% of injection, the hydrogen peroxide solution that 40~50 DEG C of temperature
Heated, the UTILIZATION OF VESIDUAL HEAT IN schematic diagram of boiler exhaust gas is referring to Fig. 2), pretreated round log is immersed in hydrogen peroxide solution,
0.2MPa is forced into, bleaching 2 hours is carried out.Then the hydrogen peroxide solution during bleaching is filled is released, round log is taken out under -0.08MPa
Vacuum 0.5h, obtains bleaching timber.
3.3rd, bleaching timber is put into 40 DEG C of dry kilns (dry kiln is heated using waste heat of boiler tail gas) and dried extremely
It is 30% to bleach moisture content.Dried bleaching timber is fitted into dyeing filling, after vacuumizing 0.5h under -0.08MPa,
In the mixed solution red containing 0.5wt% reactive dye and 40g/L glauber salt of 2 tons of injection during dyeing is filled, make dried drift
Whitewood's material is dipped into mixed solution, is warming up to 40 DEG C (the red solution of reactive dye is heated using waste heat of boiler tail gas), plus
It is depressed into 0.6MPa and carries out dyeing 3h.Then the mixed solution during dyeing is filled is released, round log is vacuumized into 0.5h under -0.08MPa.
3.4th, 2 tons of 20g/L soda ash color fixing agent, the constant temperature and pressure fixation 30min under 40 DEG C, 0.6MPa are added in dyeing pot
Obtain stained wood.
3.5th, by stained wood with 2 tons of liquid of soaping (the LR-2 soaping agents of liquid of soaping including 1wt% and 20g/L's
Ns2SiO3), normal pressure is soaped 10min at 80 DEG C.
(4) round log is dried：Stained wood after soaping is dried in conduction oil drying shed, programming rate control is dried
At 1 DEG C/h, then constant temperature completes round log and dried to 40 DEG C to its moisture control 40~50%.
(5) wood skin rotary-cut：The round log after dyeing, drying is peeled into 0.5mm × length 2025mm × width with peeler
1025mm wood skin.
(6) wood skin is dried：By above-mentioned wood skin, it is dried with plate-press dryer, 5 thickness 0.5mm is put between every 2 blocks of plates
× length 2025mm × width 1025mm wood skin, (on the one hand the thermal source of plate-press dryer comes from dyed plate-press dryer
Process exchanged with bleaching, dye liquor after flue gas, on the other hand come from dyeing and the thermal source of itself after bleaching liquid discharge, thermal source shows
Be intended to referring to Fig. 3) inlet temperature control no more than 50 DEG C of wood skin, wood skin temperature is no more than 40 DEG C；Contain until drying wood skin
Water rate be 10~12% between.
(7) wood skin cutting edge：The dried wood skin for not meeting dimensional standard of above-mentioned steps (8) is subjected to cutting edge to requiring chi
It is very little.
(8) temperature Ageing Treatment：Wood skin tiling in above-mentioned steps (9) in accordance with size requirement is stacked in upper and lower base plate
On, flattened at room temperature with cold press, Stress control is 0.2, and the time continues more than 8 hours.
(9) examine：Wood skin is divided into excellent, first-class and certified products.
(10) classification storage.
The parameters of the scientific and technological wood skin of poplar are detected, testing result is referring to table 1.
Table 1：The quality measurements table of poplar Recombinant Wood
| Detection project | Poplar science and technology wood skin |
| Outward appearance | Beautiful in colour uniform, wood wool is uniform, clean mark |
| Size | Thickness 0.5mm × length 2000mm × width 1000mm |
| Moisture content | 8~12% |
| Burst size of methanal | Inspection is not measured |
| Resistance to coloured light fastness | 3 grades |
It was found from the testing result of table 1：According to production technology of the present invention, due to process without glue, without aldehyde, produce
Wood skin definitely environmental protection, color transition nature, wood grain is clear, and global stereopsis is strong, and outward appearance is good.
Fig. 4 is the stained wood of the various thickness obtained according to colouring method of the present invention, figure 4, it is seen that according to
The stained wood that the method for the present invention is obtained, even dyeing, beautiful in colour, clean mark.
It is described above, only it is a part of embodiment of the present invention, any formal limitation not is made to the present invention.
Although the present invention is not limited to the present invention so that a part of preferred embodiment to be disclosed as above.It is any to be familiar with ability
The technical staff in domain, in the case where not departing from the Spirit Essence and technical scheme of the present invention, all using the side of the disclosure above
Method and technology contents make many possible variations and modification to technical solution of the present invention, or are revised as the equivalent reality of equivalent variations
Apply example.Therefore, every content without departing from technical solution of the present invention, the technical spirit according to the present invention is done to above example
Any simple modification, equivalent substitution, equivalence changes and modification, still fall within technical solution of the present invention protection in the range of.
Claims (10)
1. a kind of production method of scientific and technological wood skin, it is characterised in that comprise the following steps：
S1, log blocked, rotary-cut peeling, the wood raw material of size needed for obtaining；
S2, the wood raw material bleached, dyes and obtains stained wood；
S3, by the stained wood dry to moisture content be 30%~50%；Then the dyeing wood skin of size needed for rotary-cut is obtained；
S4, by it is described dyeing wood skin dried with plate-press dryer, moisture control is 8%~12%；
S5, by it is dried dyeing wood skin enter trip temperature Ageing Treatment.
2. production method according to claim 1, it is characterised in that in the S1 steps, the diameter of the log is little
When 150mm, log rounding is obtained into round log；When the diameter of the log is more than 150mm, by the rounding into required chi
Very little veneer.
3. production method according to claim 1, it is characterised in that in the S2 steps, the wood raw material is carried out
By sodium hydroxide solution processing before bleaching, dyeing, sodium hydroxide solution processing is specially after wood raw material is vacuumized,
0.6~1.0MPa is forced into, is 2g/L in concentration, temperature is soaks 4h in 40~50 DEG C of NaOH solution；The timber is former
Material handles 0.5h in the case where vacuum is 0.08MPa.
4. production method according to claim 3, it is characterised in that the S2 steps are specially：
After S2-1, the wood raw material for treating sodium hydroxide solution are vacuumized, bleaching of pressurizeing is immersed in hydrogen peroxide, then take out true
Sky obtains bleaching timber；
It S2-2, will be vacuumized after the bleaching drying of wood, and then be immersed in dye liquor dyeing of pressurizeing, then vacuumize；
S2-3, using soda ash carry out fixation obtain stained wood.
5. production method according to claim 4, it is characterised in that the S2 steps are further comprising the steps of：
S2-4, with soaping, liquid is soaped the stained wood.
6. production method according to claim 5, it is characterised in that in the S2-3 steps, the quality of the soda ash is dense
Spend for 20g/L；In the S2-4 steps, the Na of the LR-2 soaping agent and 20g/L of the liquid of soaping including 1wt%2SiO3。
7. production method according to claim 4, it is characterised in that the S2-1 steps are specially：The NaOH is molten
The treated wood raw material of liquid vacuumizes 0.5h under -0.08MPa, and it is 4~6% to be then immersed in concentration, and temperature is 40~50
DEG C hydrogen peroxide in, be forced into 0.2~0.6MPa, bleach 2~3h；Timber is vacuumized into 0.5h under -0.08MPa to be bleached
Timber.
8. production method according to claim 4, it is characterised in that the S2-2 steps are specially：By the bleaching wood
It is 27%~33% that material, which is placed in 40~50 DEG C of dry kilns and dried to moisture content,；Then 0.5h is vacuumized under -0.08MPa；Connect
And bleaching timber is immersed in the mixed solution containing 0.5wt% reactive dye and 40g/L glauber salt, be warming up to 40~50
DEG C, it is forced into 0.6~1.0MPa and carries out 3~4h of dyeing；Then timber is vacuumized into 0.5h under -0.08MPa.
9. the production method according to claim 7 or 8, it is characterised in that the hydrogen peroxide and reactive dye pass through boiler
Waste heat from tail gas is heated, using the waste heat of hydrogen peroxide and reactive dye by the bleaching drying of wood in the S2-2 steps；
The stained wood is dried using the waste heat of hydrogen peroxide and reactive dye in the S3 steps.
10. production method according to any one of claim 1 to 8, it is characterised in that temperature described in the S5 steps
Ageing Treatment is specially：At room temperature, dried dyeing wood skin is laid between the upper and lower base plate of cold press, with 0.1~
0.3MPa is flattened more than 8 hours.
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| CN107650226A (en) * | 2017-09-20 | 2018-02-02 | 阜南县星光工艺品有限公司 | A kind of processing method for improving plank dye stability |
| CN108407035A (en) * | 2018-04-19 | 2018-08-17 | 成都市盛达百饰板业有限公司 | A kind of manufacture craft of the seamless science and technology skin of transverse direction |
| CN108994996A (en) * | 2018-08-06 | 2018-12-14 | 中南林业科技大学 | The Inner dyeing method of timber |
| CN108994997A (en) * | 2018-08-10 | 2018-12-14 | 安徽信达家居有限公司 | A kind of willow Wood Dyeing Process |
| CN109129774A (en) * | 2018-11-28 | 2019-01-04 | 西双版纳宏兴木制品有限责任公司 | A kind of processing method and system of processing of rubber wood timber sliced veneer |
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| CN110466006A (en) * | 2018-05-09 | 2019-11-19 | 南京史丹利装饰材料有限公司 | A kind of more side plate patch wood skin preparation processes |
| CN110466032A (en) * | 2018-05-09 | 2019-11-19 | 广西柏景地板有限公司 | A kind of manufacturing method of solid wooden compound floor |
| CN110480783A (en) * | 2019-07-25 | 2019-11-22 | 青岛大学 | A kind of board using poplar board colouring method |
| CN110919803A (en) * | 2018-09-20 | 2020-03-27 | 周弘云 | Manufacturing method of black persimmon wood drawing board |
| CN111086295A (en) * | 2020-01-09 | 2020-05-01 | 嘉兴市先超塑胶制品有限公司 | Aluminum-wood veneer |
| CN116604662A (en) * | 2023-05-31 | 2023-08-18 | 木里木外家具启东有限公司 | Sun-proof dyed veneer and preparation method thereof |
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