CN103895070A - Method of using poplar or poplar and paulownia to manufacture imitated precious wood - Google Patents
Method of using poplar or poplar and paulownia to manufacture imitated precious wood Download PDFInfo
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- CN103895070A CN103895070A CN201410164118.8A CN201410164118A CN103895070A CN 103895070 A CN103895070 A CN 103895070A CN 201410164118 A CN201410164118 A CN 201410164118A CN 103895070 A CN103895070 A CN 103895070A
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Abstract
The invention discloses a method of using a poplar or the poplar and paulownia to manufacture imitated precious wood. The method comprises the steps of force drying, dyeing, vacuum pressing and dipping, thermo-compression forming and the like. In the method, a paulownia single plate and a poplar bundle are dyed into a required color and then are assorted and combined, and alternatively different polar bundles dyed into different colors are assorted and combined according to the different colors; a traditional scientific method that when the wood is manufactured, large-warp wood is rotationally cut into specification single plates, then drying, dyeing, gluing and thermo-compression sizing are conducted, so that the imitated precious wood is manufactured is changed. The method makes good use of waste materials, and the use rate of the wood can reach more than 90%.
Description
Technical field
The present invention relates to a kind of manufacture method of imitative precious timber, relate in particular to a kind of method of utilizing poplar wood bundle or poplar wood bundle and the imitative precious timber of paulownia single board manufacture.
Background technology
Paulownia, the important industrial timberland seeds of short period fast-growing of willow Deng Shi China, cultivated area is wide, accumulation is large, make significant contribution for alleviating the nervous contradiction of China's timber supply and demand, but because the two density of wood is low, the mechanical property defect such as difference of hardness, material be loose, its application at the aspect such as Furniture manufacture, ornament materials is restricted.Both at home and abroad common practices is that large specification paulownia wood, cottonwood plank stuff or square bar are carried out to resin-dipping, then vacuum impregnation, and thermocompression forming afterwards, or timber is made to thickness is 0.5-5mm, width 0.5-5mm wood wool bar carries out impregnation, then hot pressing; Certainly also there is traditional wood-fibred or wood shaving crushed aggregates that timber is processed into, through applying glue, dry, be hot pressed into plate.The advantage of these processes is: all make density of wood increase substantially, hardness increases, and timber stability improves.But deficiency is: a kind of front method is because timber size is excessive, and resin-dipping is inhomogeneous, poor effect; It is meticulous too small that latter two method defect is that materials processing obtains, and the sheet material that result finally makes has completely lost natural wood vein and lost aesthetic feeling, and economic worth is badly damaged, and long processing time, and resin added is large, and cost is high.Therefore no matter application paulownia, the imitative precious timber research of poplar manufacture are the physical and mechanical properties to strengthening the two, expand its scope of application and purposes, improve its value, or for alleviating China's timber imbalance between supply and demand, reduce China all very necessary and significant to the dependence of imported timber.
Summary of the invention
For above-mentioned situation, for overcoming the defect of prior art, the present invention's object is just to provide a kind of method of utilizing poplar or poplar and paulownia to manufacture imitative precious timber, the problem of utilizing soft fast-growing wood paulownia and the imitative precious timber of poplar manufacture can be effectively solved, the economic worth of soft fast-growing wood and the problem of utilization rate can be improved again.
The technical scheme that the present invention solves is that a kind of method of utilizing poplar or poplar and paulownia to manufacture imitative precious timber, comprises the following steps:
(1) force drying: poplar wood bundle or poplar wood bundle and paulownia single board are dried under 70-90 DEG C of condition, make its moisture content be down to 10-15%;
(2) dyeing: dried step (1) poplar wood bundle or poplar wood bundle and paulownia single board are dyeed, and dyeing liquor mass fraction is 0.5-5%, dye bath ratio 1:10-11, dyeing time 2-4h; Dyestuff is acid, and dyeing temperature is 85-90 DEG C, and dyestuff is alkalescence, and dyeing temperature is 60-70 DEG C, and dyestuff is neutral, and dyeing temperature is 40-55 DEG C;
(3) vacuum pressed dipping: the poplar wood bundle after step (2) is dyeed or poplar wood bundle and paulownia single board are dried, then putting into vacuum pressed tank vacuumizes, in the time that vacuum reaches 0.0001-0.01Pa, stop vacuumizing and injecting glue, make glue infiltrate poplar wood bundle or poplar wood bundle and paulownia single board by atmospheric pressure, after poplar wood bundle or poplar wood bundle and paulownia single board fully infiltrate, vacuumize again, residue glue in vacuum pressed tank is extracted out, finally taken out poplar wood bundle or poplar wood bundle and paulownia single board;
(4) hot-forming: by poplar after treatment step (3) wood bundle or poplar wood bundle and paulownia single board assembly and display 23-25h, then use single-layer hot press to carry out hot pressing, first single-layer hot press temperature is risen to 60-80 DEG C, then good assembly poplar wood bundle or poplar wood bundle and paulownia single board are put into the mould of single-layer hot press, closed single-layer hot press, the heating of unlatching high-frequency microwave, make poplar wood bundle or poplar wood bundle and paulownia single board temperature be warming up to 130-160 DEG C, then exert pressure, hot pressing pressure 12-20kg/cm
2, keep temperature and pressure of hot pressing 8-16min, stop heating, treat that temperature is down to 60-80 DEG C, release, by the poplar wood bundle after hot pressing or poplar wood bundle and paulownia single board taking-up, displays 23-25h and get final product.
The length of described paulownia single board is 600-2500mm, and thickness is 0.6-3mm, and width is 100-600mm.
Described poplar wood bundle is the poplar of diameter 10-100mm is cut into the juggle of length 200-2500mm or poplar leftover bits boiling 7-12 hour in 70 DEG C of water is made to be softened inside and outside it, then with the longitudinal conquassation of roller, laterally rub and obtain netted poplar wood bundle.
In step (2), dyeing is to carry out in rectangle stainless steel staining bath, and staining bath is rectangle cylinder body, is made up of stainless steel, additional heat-insulation layer and stainless protection layer, and cylinder body volume is 1-20m3; When dyeing, first poplar wood bundle or poplar wood bundle and paulownia single board are installed in stainless steel cage, then soak in the dyeing liquor of washing one's hair in staining bath; Cage is the multistory frame structure that stainless steel is made, and is movable filter between layers, and clamping is set on cage, and the timber that prevents from dyeing in dyeing course jumps overlapping, affects Color, cage volume 0.5-11m3.
In step (3), glue is hybrid resin glue, concrete preparation method is: by formaldehyde: urea: phenol mixes according to mol ratio 1-1.2:0.4-0.7:0.4-0.6, regulating pH value is 7.1-12, under 75-95 DEG C of condition, react 20-80min and obtain hybrid resin, in hybrid resin, add the isocyanates of hybrid resin mass fraction 0.1-10% again, and regulate pH value for 8-11 and get final product.
The hybrid resin that the present invention is prepared in hybrid resin glue process comprises phenolic resins and Lauxite, and its relative molecular mass is 500-1000; Regulating pH value reagent used is the reagent of conventional adjusting pH.
In step (4), the breadth of assembly is 600 × 2500mm, and thickness is 100-800mm.
In step (4), assembly is unanimously to carry out assembly according to longitudinal lumber fibre direction.
Dyestuff of the present invention is commercially available conventional dyestuff, can adjust dyestuff according to the requirement of object product wood color; Also can adjust according to requirement to object product timber the collocation of timber, as by paulownia single board and poplar wood Shu Jinhang assembly or poplar wood bundle is carried out separately to assembly.
In order to ensure that glue can fully infiltrate poplar wood bundle or poplar wood bundle and paulownia single board, can repeat vacuumize-pressurization steps 2-3 time.
The inventive method is simple, raw material wide material sources, easy to operate, by processing that poplar wood bundle or poplar wood bundle and paulownia single board are dyeed, the research of dipping process technique, ensure the homogeneity of stain for wood, stability and weatherability, utilize specific hot-press equipment and heat pressing process simultaneously, avoid timber resilience after hot pressing Fracture and compression, improve the mechanical property of timber, effectively solve the problem of utilizing soft fast-growing wood paulownia or the imitative precious timber of poplar manufacture, can improve again the economic worth of soft fast-growing wood and the problem of utilization rate, there is good application value.
Detailed description of the invention
Below in conjunction with embodiment, the specific embodiment of the present invention is elaborated.
embodiment 1
The present embodiment utilizes poplar and paulownia to manufacture the method for imitative precious timber, comprises the following steps:
(1) force drying: adopting mesh-belt drier, is 600mm by length, and thickness is 0.6mm, the poplar wood bundle of the paulownia single board that width is 100mm and diameter 10mm, length 200mm is dried under 70 DEG C of conditions, makes its moisture content be down to 15%;
(2) dyeing: by the dried paulownia single board of step (1) and poplar wood Shu Jinhang dyeing, dyeing liquor mass fraction is 3%, dye bath ratio 1:10, dyeing time 3h, dyestuff is acid light yellow, dyeing temperature is 90 DEG C; Dyeing is to carry out in rectangle stainless steel staining bath, and staining bath is rectangle cylinder body, is made up of stainless steel, additional heat-insulation layer and stainless protection layer, and cylinder body volume is 1m3; When dyeing, first paulownia single board and poplar wood bundle are installed in stainless steel cage, then soak in the dyeing liquor of washing one's hair in staining bath; Cage is the multistory frame structure that stainless steel is made, and is movable filter between layers, and clamping is set on cage, and the timber that prevents from dyeing in dyeing course jumps overlapping, affects Color, cage volume 0.5m3;
(3) vacuum pressed dipping: by dry to the paulownia single board after step (2) dyeing and poplar wood Shu Jinhang, then putting into vacuum pressed tank vacuumizes, in the time that vacuum reaches 0.01Pa, stop vacuumizing and injecting glue, make glue infiltrate paulownia single board and the wooden bundle of poplar by atmospheric pressure, restraint after fully infiltration until paulownia single board and poplar wood, then vacuumize, residue glue in vacuum pressed tank is extracted out, finally taken out paulownia single board and poplar wood bundle; Glue is hybrid resin glue, concrete preparation method is: by formaldehyde: urea: phenol mixes according to mol ratio 1:0.7:0.6, regulating pH value is 7.1, under 75 DEG C of conditions, react 20min and obtain hybrid resin, in hybrid resin, add the isocyanates of hybrid resin mass fraction 10% again, and to regulate pH value be 8 and get final product;
(4) hot-forming: step (3) paulownia single board after treatment is restrainted according to the consistent assembly that carries out of longitudinal lumber fibre direction with poplar wood, one deck poplar wood bundle adds one deck paulownia single board, the breadth of assembly is 600 × 2500mm, thickness is 400mm, display 24h, then use single-layer hot press to carry out hot pressing, first single-layer hot press temperature is risen to 60 DEG C, then paulownia single board good assembly and poplar wood are restrainted to the mould of putting into single-layer hot press, closed single-layer hot press, the heating of unlatching high-frequency microwave, make paulownia single board and poplar wood Shu Wendu be warming up to 150 DEG C, then exert pressure, hot pressing pressure 16kg/cm
2, keep temperature and pressure of hot pressing 12min, stop heating, treat that temperature is down to 60 DEG C, release, takes out the paulownia single board after hot pressing and poplar wood bundle, displays 24h and get final product.
embodiment 2
The present embodiment utilizes poplar and paulownia to manufacture the method for imitative precious timber, comprises the following steps:
(1) force drying: adopting mesh-belt drier, is 2500mm by length, and thickness is 3mm, the poplar wood bundle of the paulownia single board that width is 600mm and diameter 100mm, length 2500mm is dried under 90 DEG C of conditions, makes its moisture content be down to 10%;
(2) dyeing: by the dried paulownia single board of step (1) and poplar wood Shu Jinhang dyeing, dyeing liquor mass fraction is 5%, dye bath ratio 1:11, dyeing time 2h; Dyestuff is basic fuchsin, and dyeing temperature is 60 DEG C; Dyeing is to carry out in rectangle stainless steel staining bath, and staining bath is rectangle cylinder body, is made up of stainless steel, additional heat-insulation layer and stainless protection layer, and cylinder body volume is 20m3; When dyeing, first paulownia single board and poplar wood bundle are installed in stainless steel cage, then soak in the dyeing liquor of washing one's hair in staining bath; Cage is the multistory frame structure that stainless steel is made, and is movable filter between layers, and clamping is set on cage, and the timber that prevents from dyeing in dyeing course jumps overlapping, affects Color, cage volume 11m3;
(3) vacuum pressed dipping: by dry to the paulownia single board after step (2) dyeing and poplar wood Shu Jinhang, then putting into vacuum pressed tank vacuumizes, in the time that vacuum reaches 0.0001Pa, stop vacuumizing and injecting glue, make glue infiltration paulownia single board and poplar wood bundle by atmospheric pressure, after paulownia single board and the infiltration of poplar wood bundle, then vacuumize, residue glue in vacuum pressed tank is extracted out, finally taken out paulownia single board and poplar wood bundle; Glue is hybrid resin glue, concrete preparation method is: by formaldehyde: urea: phenol mixes according to mol ratio 1.1:0.5:0.4, regulating pH value is 12, under 95 DEG C of conditions, react 80min and obtain hybrid resin, in hybrid resin, add the isocyanates of hybrid resin mass fraction 0.1% again, and to regulate pH value be 10 and get final product;
(4) hot-forming: step (3) paulownia single board after treatment is restrainted according to the consistent assembly that carries out of longitudinal lumber fibre direction with poplar wood, two-layer poplar wood bundle adds two-layer paulownia single board, the breadth of assembly is 600 × 2500mm, thickness is 100mm, display 23h, then use single-layer hot press to carry out hot pressing, first single-layer hot press temperature is risen to 80 DEG C, then paulownia single board good assembly and poplar wood are restrainted to the mould of putting into single-layer hot press, closed single-layer hot press, the heating of unlatching high-frequency microwave, make paulownia single board and poplar wood Shu Wendu be warming up to 130 DEG C, then exert pressure, hot pressing pressure 12kg/cm
2, keep temperature and pressure of hot pressing 8min, stop heating, treat that temperature is down to 80 DEG C, release, takes out the paulownia single board after hot pressing and poplar wood bundle, displays 23h and get final product.
embodiment 3
The present embodiment utilizes the method for the imitative precious timber of poplar manufacture, comprises the following steps:
(1) force drying: adopt mesh-belt drier, will be by poplar leftover bits boiling 12h in 70 DEG C of water, then with the longitudinal conquassation of roller, laterally rub the netted poplar wood bundle obtaining and be dried under 80 DEG C of conditions, make its moisture content be down to 12%;
(2) dyeing: by dried step (1) poplar wood Shu Jinhang dyeing, dyeing liquor mass fraction is 0.5%, dye bath ratio 1:10.5, dyeing time 4h, dyestuff is neutral orange, dyeing temperature is 55 DEG C; Dyeing is to carry out in rectangle stainless steel staining bath, and staining bath is rectangle cylinder body, is made up of stainless steel, additional heat-insulation layer and stainless protection layer, and cylinder body volume is 10m3; When dyeing, first poplar wood bundle is installed in stainless steel cage, then soaks in the dyeing liquor of washing one's hair in staining bath; Cage is the multistory frame structure that stainless steel is made, and is movable filter between layers, and clamping is set on cage, and the timber that prevents from dyeing in dyeing course jumps overlapping, affects Color, cage volume 5m3;
(3) vacuum pressed dipping: by dry the poplar wood Shu Jinhang after step (2) dyeing, then putting into vacuum pressed tank vacuumizes, in the time that vacuum reaches 0.001Pa, stop vacuumizing and injecting glue, make glue infiltrate poplar wood bundle by atmospheric pressure, after poplar wood bundle fully infiltrates, then vacuumize, residue glue in vacuum pressed tank is extracted out, finally taken out poplar wood bundle; Glue is hybrid resin glue, concrete preparation method is: by formaldehyde: urea: phenol mixes according to mol ratio 1.2:0.4:0.5, regulating pH value is 10, under 80 DEG C of conditions, react 40min and obtain hybrid resin, in hybrid resin, add the isocyanates of hybrid resin mass fraction 5% again, and to regulate pH value be 11 and get final product;
(4) hot-forming: poplar wood bundle after treatment step (3) is unanimously carried out to assembly according to longitudinal lumber fibre direction, the breadth of assembly is 600 × 2500mm, thickness is 800mm, display 25h, then use single-layer hot press to carry out hot pressing, first single-layer hot press temperature is risen to 70 DEG C, then poplar wood bundle good assembly is put into the mould of single-layer hot press, closed single-layer hot press, the heating of unlatching high-frequency microwave, make poplar wood Shu Wendu be warming up to 160 DEG C, then exert pressure, hot pressing pressure 20kg/cm
2, keep temperature and pressure of hot pressing 16min, stop heating, treat that temperature is down to 70 DEG C, release, takes out the poplar wood bundle after hot pressing, displays 25h and get final product.
The present invention compared with prior art, has following beneficial effect:
1, the present invention utilizes paulownia single board and poplar wood bundle to dye needed color then to carry out matched combined, or the matched combined of the poplar of coloured differently wood Shu Jinhang different colours, changing traditional Recombinant Wood manufacture utilizes first through being peeled into specification veneer through level timber greatly completely, then be dried, the method for the imitative precious timber of dyeing, gluing, thermocompression forming manufacture, the method belongs to twice laid, and timber utilization rate reaches more than 90%.
2, hot pressing of the present invention adopts high-frequency heating, intensification is rapid, internal/external heating is even, save the energy, environmental protection, it is mainly the natural characteristic in order to give full play to the silky luster that paulownia wood has that the method is utilized paulownia wood veneer, and hot pressing die can be according to user's different demand flexible design.
3, wood staining of the present invention is owing to being to carry out in color pond, dye liquor can be realized and recycling, effectively avoid the pollution of dye liquor to factory's periphery, the imitative precious timber product of the method manufacturing has dyeing and the texture that natural timber does not possess, color and luster is vivider, third dimension is stronger, and pattern has more innervation and vigor, fully meets the selection of people's diversification of demand and the realization of personalized consumption psychology.Meanwhile, the present invention is in conjunction with hybrid resin glue dipping process, solved the problem of paulownia, the painted homogeneity of poplar, makes the timber can keep for a long time color and luster stable, has good weatherability.
4, the present invention is by the timber assembly that alternately superposes, and utilize specific hot-press equipment and heat pressing process, can effectively prevent timber resilience after hot pressing Fracture and compression, improve the mechanical property of timber, imitative precious timber prepared by the present invention, the physical and mechanical properties such as its density and MOR are all better than its raw material natural timber, and anticorrosion, mothproof, moisture resistance being easy to again processed.Meanwhile, can also be processed into different book sizes according to different purposes, overcome the limitation of natural timber through level, properties of product are better.
5, the imitative precious timber that prepared by the present invention can be used for making the products such as square bar, surface lining and compoiste wood floor, has considerable economic benefit.Produce imitative 3105 yuan/m of precious timber cost
3, 9653 yuan/m of price
3above, 6548 yuan/m of profit
3; Imitative 5010 yuan/m of precious wood timber skin cost
3, 21667 yuan/m of price
3, 16657 yuan/m of profit
3; Produce 11170 yuan/m of Compossite solid-wood floor plate cost
3, 19444 yuan/m of price
3, 8274 yuan/m of profit
3.Taking solid wooden compound floor as example, produce 50000m per year if built up
3the compoiste wood floor pilot production line of the imitative precious timber of paulownia, poplar, year can newly-increased value 5.271 hundred million yuan.
6, the present invention utilizes paulownia, the imitative precious timber of poplar manufacture and processing industry thereof, can solve social employment problem, consumes every year paulownia, poplar 1,000,000 m
3, can provide 4.5 ten thousand jobs to society, economic and social benefit is huge.
Claims (10)
1. utilize poplar or poplar and paulownia to manufacture a method for imitative precious timber, it is characterized in that, comprise the following steps:
(1) force drying: poplar wood bundle or poplar wood bundle and paulownia single board are dried under 70-90 DEG C of condition, make its moisture content be down to 10-15%;
(2) dyeing: dried step (1) poplar wood bundle or poplar wood bundle and paulownia single board are dyeed, and dyeing liquor mass fraction is 0.5-5%, dye bath ratio 1:10-11, dyeing time 2-4h; Dyestuff is acid, and dyeing temperature is 85-90 DEG C, and dyestuff is alkalescence, and dyeing temperature is 60-70 DEG C, and dyestuff is neutral, and dyeing temperature is 40-55 DEG C;
(3) vacuum pressed dipping: the poplar wood bundle after step (2) is dyeed or poplar wood bundle and paulownia single board are dried, then putting into vacuum pressed tank vacuumizes, in the time that vacuum reaches 0.0001-0.01Pa, stop vacuumizing and injecting glue, make glue infiltrate poplar wood bundle or poplar wood bundle and paulownia single board by atmospheric pressure, after poplar wood bundle or poplar wood bundle and paulownia single board fully infiltrate, vacuumize again, residue glue in vacuum pressed tank is extracted out, finally taken out poplar wood bundle or poplar wood bundle and paulownia single board;
(4) hot-forming: by poplar after treatment step (3) wood bundle or poplar wood bundle and paulownia single board assembly and display 23-25h, then use single-layer hot press to carry out hot pressing, first single-layer hot press temperature is risen to 60-80 DEG C, then good assembly poplar wood bundle or poplar wood bundle and paulownia single board are put into the mould of single-layer hot press, closed single-layer hot press, the heating of unlatching high-frequency microwave, make poplar wood bundle or poplar wood bundle and paulownia single board temperature be warming up to 130-160 DEG C, then exert pressure, hot pressing pressure 12-20kg/cm
2, keep temperature and pressure of hot pressing 8-16min, stop heating, treat that temperature is down to 60-80 DEG C, release, by the poplar wood bundle after hot pressing or poplar wood bundle and paulownia single board taking-up, displays 23-25h and get final product.
2. the method for utilizing poplar or poplar and paulownia to manufacture imitative precious timber according to claim 1, is characterized in that, the length of described paulownia single board is 600-2500mm, and thickness is 0.6-3mm, and width is 100-600mm.
3. the method for utilizing poplar or poplar and paulownia to manufacture imitative precious timber according to claim 1, it is characterized in that, described poplar wood bundle is the poplar of diameter 10-100mm is cut into the juggle of length 200-2500mm or poplar leftover bits boiling 7-12 hour in 70 DEG C of water is made to be softened inside and outside it, then with the longitudinal conquassation of roller, laterally rub and obtain netted poplar wood bundle.
4. the method for utilizing poplar or poplar and paulownia to manufacture imitative precious timber according to claim 1, it is characterized in that, in step (2), dyeing is to carry out in rectangle stainless steel staining bath, staining bath is rectangle cylinder body, made by stainless steel, additional heat-insulation layer and stainless protection layer, cylinder body volume is 1-20m3; When dyeing, first poplar wood bundle or paulownia single board are installed in stainless steel cage, then soak in the dyeing liquor of washing one's hair in staining bath; Cage is the multistory frame structure that stainless steel is made, and is movable filter between layers, and clamping is set on cage, and the timber that prevents from dyeing in dyeing course jumps overlapping, affects Color, cage volume 0.5-11m3.
5. the method for utilizing poplar or poplar and paulownia to manufacture imitative precious timber according to claim 1, it is characterized in that, in step (3), glue is hybrid resin glue, concrete preparation method is: by formaldehyde: urea: phenol mixes according to mol ratio 1-1.2:0.4-0.7:0.4-0.6, regulating pH value is 7.1-12, under 75-95 DEG C of condition, react 20-80min and obtain hybrid resin, in hybrid resin, add the isocyanates of hybrid resin mass fraction 0.1-10% again, and regulate pH value for 8-11 and get final product.
6. the method for utilizing poplar or poplar and paulownia to manufacture imitative precious timber according to claim 1, is characterized in that, in step (4), the breadth of assembly is 600 × 2500mm, and thickness is 100-800mm.
7. the method for utilizing poplar or poplar and paulownia to manufacture imitative precious timber according to claim 1, is characterized in that, in step (4), assembly is unanimously to carry out assembly according to longitudinal lumber fibre direction.
8. the method for utilizing poplar or poplar and paulownia to manufacture imitative precious timber according to claim 1, is characterized in that, comprises the following steps:
(1) force drying: adopting mesh-belt drier, is 600mm by length, and thickness is 0.6mm, the poplar wood bundle of the paulownia single board that width is 100mm and diameter 10mm, length 200mm is dried under 70 DEG C of conditions, makes its moisture content be down to 15%;
(2) dyeing: by the dried paulownia single board of step (1) and poplar wood Shu Jinhang dyeing, dyeing liquor mass fraction is 3%, dye bath ratio 1:10, dyeing time 3h, dyestuff is acid light yellow, dyeing temperature is 90 DEG C; Dyeing is to carry out in rectangle stainless steel staining bath, and staining bath is rectangle cylinder body, is made up of stainless steel, additional heat-insulation layer and stainless protection layer, and cylinder body volume is 1m3; When dyeing, first paulownia single board and poplar wood bundle are installed in stainless steel cage, then soak in the dyeing liquor of washing one's hair in staining bath; Cage is the multistory frame structure that stainless steel is made, and is movable filter between layers, and clamping is set on cage, and the timber that prevents from dyeing in dyeing course jumps overlapping, affects Color, cage volume 0.5m3;
(3) vacuum pressed dipping: by dry to the paulownia single board after step (2) dyeing and poplar wood Shu Jinhang, then putting into vacuum pressed tank vacuumizes, in the time that vacuum reaches 0.01Pa, stop vacuumizing and injecting glue, make glue infiltrate paulownia single board and the wooden bundle of poplar by atmospheric pressure, restraint after fully infiltration until paulownia single board and poplar wood, then vacuumize, residue glue in vacuum pressed tank is extracted out, finally taken out paulownia single board and poplar wood bundle; Glue is hybrid resin glue, concrete preparation method is: by formaldehyde: urea: phenol mixes according to mol ratio 1:0.7:0.6, regulating pH value is 7.1, under 75 DEG C of conditions, react 20min and obtain hybrid resin, in hybrid resin, add the isocyanates of hybrid resin mass fraction 10% again, and to regulate pH value be 8 and get final product;
(4) hot-forming: step (3) paulownia single board after treatment is restrainted according to the consistent assembly that carries out of longitudinal lumber fibre direction with poplar wood, one deck poplar wood bundle adds one deck paulownia single board, the breadth of assembly is 600 × 2500mm, thickness is 400mm, display 24h, then use single-layer hot press to carry out hot pressing, first single-layer hot press temperature is risen to 60 DEG C, then paulownia single board good assembly and poplar wood are restrainted to the mould of putting into single-layer hot press, closed single-layer hot press, the heating of unlatching high-frequency microwave, make paulownia single board and poplar wood Shu Wendu be warming up to 150 DEG C, then exert pressure, hot pressing pressure 16kg/cm
2, keep temperature and pressure of hot pressing 12min, stop heating, treat that temperature is down to 60 DEG C, release, takes out the paulownia single board after hot pressing and poplar wood bundle, displays 24h and get final product.
9. the method for utilizing poplar or poplar and paulownia to manufacture imitative precious timber according to claim 1, is characterized in that, comprises the following steps:
(1) force drying: adopting mesh-belt drier, is 2500mm by length, and thickness is 3mm, the poplar wood bundle of the paulownia single board that width is 600mm and diameter 100mm, length 2500mm is dried under 90 DEG C of conditions, makes its moisture content be down to 10%;
(2) dyeing: by the dried paulownia single board of step (1) and poplar wood Shu Jinhang dyeing, dyeing liquor mass fraction is 5%, dye bath ratio 1:11, dyeing time 2h; Dyestuff is basic fuchsin, and dyeing temperature is 60 DEG C; Dyeing is to carry out in rectangle stainless steel staining bath, and staining bath is rectangle cylinder body, is made up of stainless steel, additional heat-insulation layer and stainless protection layer, and cylinder body volume is 20m3; When dyeing, first paulownia single board and poplar wood bundle are installed in stainless steel cage, then soak in the dyeing liquor of washing one's hair in staining bath; Cage is the multistory frame structure that stainless steel is made, and is movable filter between layers, and clamping is set on cage, and the timber that prevents from dyeing in dyeing course jumps overlapping, affects Color, cage volume 11m3;
(3) vacuum pressed dipping: by dry to the paulownia single board after step (2) dyeing and poplar wood Shu Jinhang, then putting into vacuum pressed tank vacuumizes, in the time that vacuum reaches 0.0001Pa, stop vacuumizing and injecting glue, make glue infiltration paulownia single board and poplar wood bundle by atmospheric pressure, after paulownia single board and the infiltration of poplar wood bundle, then vacuumize, residue glue in vacuum pressed tank is extracted out, finally taken out paulownia single board and poplar wood bundle; Glue is hybrid resin glue, concrete preparation method is: by formaldehyde: urea: phenol mixes according to mol ratio 1.1:0.5:0.4, regulating pH value is 12, under 95 DEG C of conditions, react 80min and obtain hybrid resin, in hybrid resin, add the isocyanates of hybrid resin mass fraction 0.1% again, and to regulate pH value be 10 and get final product;
(4) hot-forming: step (3) paulownia single board after treatment is restrainted according to the consistent assembly that carries out of longitudinal lumber fibre direction with poplar wood, two-layer poplar wood bundle adds two-layer paulownia single board, the breadth of assembly is 600 × 2500mm, thickness is 100mm, display 23h, then use single-layer hot press to carry out hot pressing, first single-layer hot press temperature is risen to 80 DEG C, then paulownia single board good assembly and poplar wood are restrainted to the mould of putting into single-layer hot press, closed single-layer hot press, the heating of unlatching high-frequency microwave, make paulownia single board and poplar wood Shu Wendu be warming up to 130 DEG C, then exert pressure, hot pressing pressure 12kg/cm
2, keep temperature and pressure of hot pressing 8min, stop heating, treat that temperature is down to 80 DEG C, release, takes out the paulownia single board after hot pressing and poplar wood bundle, displays 23h and get final product.
10. the method for utilizing poplar or poplar and paulownia to manufacture imitative precious timber according to claim 1, is characterized in that, comprises the following steps:
(1) force drying: adopt mesh-belt drier, will be by poplar leftover bits boiling 12h in 70 DEG C of water, then with the longitudinal conquassation of roller, laterally rub the netted poplar wood bundle obtaining and be dried under 80 DEG C of conditions, make its moisture content be down to 12%;
(2) dyeing: by dried step (1) poplar wood Shu Jinhang dyeing, dyeing liquor mass fraction is 0.5%, dye bath ratio 1:10.5, dyeing time 4h, dyestuff is neutral orange, dyeing temperature is 55 DEG C; Dyeing is to carry out in rectangle stainless steel staining bath, and staining bath is rectangle cylinder body, is made up of stainless steel, additional heat-insulation layer and stainless protection layer, and cylinder body volume is 10m3; When dyeing, first poplar wood bundle is installed in stainless steel cage, then soaks in the dyeing liquor of washing one's hair in staining bath; Cage is the multistory frame structure that stainless steel is made, and is movable filter between layers, and clamping is set on cage, and the timber that prevents from dyeing in dyeing course jumps overlapping, affects Color, cage volume 5m3;
(3) vacuum pressed dipping: by dry the poplar wood Shu Jinhang after step (2) dyeing, then putting into vacuum pressed tank vacuumizes, in the time that vacuum reaches 0.001Pa, stop vacuumizing and injecting glue, make glue infiltrate poplar wood bundle by atmospheric pressure, after poplar wood bundle fully infiltrates, then vacuumize, residue glue in vacuum pressed tank is extracted out, finally taken out poplar wood bundle; Glue is hybrid resin glue, concrete preparation method is: by formaldehyde: urea: phenol mixes according to mol ratio 1.2:0.4:0.5, regulating pH value is 10, under 80 DEG C of conditions, react 40min and obtain hybrid resin, in hybrid resin, add the isocyanates of hybrid resin mass fraction 5% again, and to regulate pH value be 11 and get final product;
(4) hot-forming: poplar wood bundle after treatment step (3) is unanimously carried out to assembly according to longitudinal lumber fibre direction, the breadth of assembly is 600 × 2500mm, thickness is 800mm, display 25h, then use single-layer hot press to carry out hot pressing, first single-layer hot press temperature is risen to 70 DEG C, then poplar wood bundle good assembly is put into the mould of single-layer hot press, closed single-layer hot press, the heating of unlatching high-frequency microwave, make poplar wood Shu Wendu be warming up to 160 DEG C, then exert pressure, hot pressing pressure 20kg/cm
2, keep temperature and pressure of hot pressing 16min, stop heating, treat that temperature is down to 70 DEG C, release, takes out the poplar wood bundle after hot pressing, displays 25h and get final product.
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