CN103496024A - Recomposed bamboo board producing process - Google Patents
Recomposed bamboo board producing process Download PDFInfo
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- CN103496024A CN103496024A CN201310408214.8A CN201310408214A CN103496024A CN 103496024 A CN103496024 A CN 103496024A CN 201310408214 A CN201310408214 A CN 201310408214A CN 103496024 A CN103496024 A CN 103496024A
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 362
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 362
- 241001330002 Bambuseae Species 0.000 title claims abstract description 362
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 362
- 239000011425 bamboo Substances 0.000 title claims abstract description 362
- 238000000034 method Methods 0.000 title claims abstract description 114
- 238000004519 manufacturing process Methods 0.000 claims abstract description 47
- 230000006378 damage Effects 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims description 41
- 239000003292 glue Substances 0.000 claims description 37
- 239000002023 wood Substances 0.000 claims description 34
- 238000000465 moulding Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 28
- 238000005516 engineering process Methods 0.000 claims description 27
- 238000009835 boiling Methods 0.000 claims description 15
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 13
- YTAHJIFKAKIKAV-XNMGPUDCSA-N [(1R)-3-morpholin-4-yl-1-phenylpropyl] N-[(3S)-2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-3-yl]carbamate Chemical compound O=C1[C@H](N=C(C2=C(N1)C=CC=C2)C1=CC=CC=C1)NC(O[C@H](CCN1CCOCC1)C1=CC=CC=C1)=O YTAHJIFKAKIKAV-XNMGPUDCSA-N 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 9
- 238000003763 carbonization Methods 0.000 claims description 8
- 238000005238 degreasing Methods 0.000 claims description 8
- 230000029087 digestion Effects 0.000 claims description 8
- 238000007731 hot pressing Methods 0.000 claims description 8
- 238000003754 machining Methods 0.000 claims description 8
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 7
- 238000005470 impregnation Methods 0.000 claims description 7
- 239000007844 bleaching agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000005255 carburizing Methods 0.000 claims description 4
- 238000009896 oxidative bleaching Methods 0.000 claims description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 42
- 239000002994 raw material Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 230000008961 swelling Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002932 luster Substances 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 235000021168 barbecue Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- -1 make through desugar Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Abstract
The invention relates to the field of bamboo production, in particular to recomposed bamboo board producing process. The recomposed bamboo board producing process uses renewable bamboo as raw materials, the utilization rate of bamboo is high and can reach more than 90%, and resource waste is reduced. The density of recomposed bamboo boards manufactured in the recomposed bamboo board process is high as 1200kg/m<3> and is more than 1.6 times of the density of ordinary bamboo floors. The recomposed bamboo boards have the advantages of being high in hardness, high in strength, high impact toughness and wearproof. The recomposed bamboo boards manufactured in the recomposed bamboo board producing process further have the advantages of being capable of resisting to water absorption, free of deformation and the like. Tests show that the thickness expansion rate is only 0.4% after the recomposed bamboo boards absorb water for 24 hours and is far better than and smaller than the European standard of 2.0%. The free formaldehyde emission of the recomposed bamboo boards manufactured in the recomposed bamboo board producing process is below 0.4mg/L, so that harm of formaldehyde to people is reduced.
Description
Technical field
The present invention relates to the bamboo wood production field, relate in particular to the recombined bamboo plate production technology.
Background technology
Recombined bamboo is the new green environment protection material grown up in recent years, is a new decorative material for building of filling up domestic and international blank.
Recombined bamboo is according to the manufacturing process of Scrimber and principle, a kind of novel artificial bamboo board that the bamboo wood of take forms as Raw material processing, the Component units of Recombined bamboo is netted bamboo bundle, it is first bamboo wood to be discongested to growth, be cross-linked with each other and keep the loose reticular fibre bundle of the original arrangement mode of fiber, drying again, applying glue, the assembly moulding, cold pressing or tabular or other forms of material that hot pressing forms, the maximum characteristics of Recombined bamboo are fully rationally to utilize the inherent characteristic of bamboo fiber material, both guaranteed the high usage of bamboo wood, retained again the original physical and mechanical property of bamboo wood, in the artificial bamboo board manufacture process, there is no working angles in the Recombined bamboo production technology, therefore effectively improved utilization rate of bamboo.
The recombination board that Recombined bamboo production technology of the prior art makes, because process is unreasonable, makes recombined bamboo plate be difficult for japanning, is difficult for gummed; Technical problems such as easily ftractureing, be out of shape and easily damage by worms and go mouldy.
Summary of the invention
Recombined bamboo plate production technology provided by the invention, be intended to overcome recombined bamboo plate in prior art and be difficult for japanning, the deficiency of easily damaging by worms and going mouldy.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: the recombined bamboo plate production technology, comprise the following steps successively,
A, select materials: select the diameter of a cross-section of a tree trunk 1.3 meters above the ground and be greater than the bamboo wood that 60 millimeters or wall thickness are greater than 3 millimeters, standby;
B, fracture: the bamboo wood that step a is obtained blocks and obtains the bamboo section, and the length of described bamboo section equals to want the machining sheet size and adds following process surplus size, and described following process surplus is of a size of 5%～10% of described bamboo segment length;
C, open bar: the bamboo section obtained in step b is vertically cut open and made bamboo chip along axis;
D, force plane: adopt the method for removing material to remove making the surf green on bamboo chip top layer and the tabasheer of the inside in step c, the surf green on described bamboo chip top layer is all removed, and the tabasheer residual quantity of described bamboo chip internal layer is no more than 30% of bamboo chip inner layer sheet area;
E, hack: the bamboo chip made in steps d is cut open and is less than or equal to the thin slice of 3 millimeters for thickness;
F, silk pressing: by the thin slice crushing made in step e, and guarantee that the bamboo chip fiber does not rupture, and makes the bamboo silk;
G, desugar, degreasing: the bamboo silk made in step f is carried out to desugar, ungrease treatment;
H, drying: the bamboo silk of processing in step g is dried to moisture and is less than 10%;
I, sorting: by the dried bamboo silk of step h, incompleteness being arranged, damage by worms, go mouldy and removal that color distinction is large;
J, impregnation: the bamboo silk obtained in step I is soaked 15 minutes to 30 minutes in glue;
K, drench are dry: will be immersed in step j that bamboo silk in glue takes out and drench is done and do not had glue to drip;
Dry before l, moulding: that the bamboo silk obtained in step k is dried to moisture 10% to 15%;
M, moulding: the bamboo silk made in step l is compressed to the sheet material needed.
As preferably, the angle, the cross section center of circle of the bamboo chip made in described step c is that 30 degree are to 60 degree, by the angle, the cross section center of circle that makes bamboo chip be 30 degree to 60 degree, bamboo chip is easily processed in follow-up and is there is higher working (machining) efficiency, reduced workman's labour intensity under the prerequisite of ensuring the quality of products.
As preferably, in described g step, adopt the method for boiling to carry out desugar, ungrease treatment to the bamboo silk, described boiling temperature is 100 degrees centigrade to 110 degrees centigrade, described digestion time is 2 hours to 4 hours, by adopting boiling side to go the bamboo silk is carried out to desugar, degreasing, reduce the processing cost of bamboo silk desugar, ungrease treatment, reduced the manufacturing cost of recombined bamboo plate from face.
As preferably, when in described step g, the method for employing boiling is carried out desugar, ungrease treatment to the bamboo silk, the bamboo silk adds the Vermins-proof mildew-proof agent that oxidative bleaching agent that weight is bamboo silk weight 0.1%～1% and weight are bamboo silk weight 0.1%～0.8% in digestion process, the bamboo silk adds certain bleaching agent and special insect-proof mould inhibitor when by boiling method, carrying out desugar, ungrease treatment, make bamboo silk after desugar, ungrease treatment there is color and differ little, can be not mouldy and there is insect protected, improved the quality of recombined bamboo plate.
As preferably, in described step g, adopt the method for carbonization to carry out desugar, ungrease treatment to the bamboo silk, described carburizing temperature is 100 degrees centigrade to 110 degrees centigrade, described carbonization time is 2 hours to 4 hours, adopt the method for baking to carry out desugar, ungrease treatment to the bamboo silk, bamboo silk color and luster after desugar, ungrease treatment is close, the recombined bamboo plate good looking appearance made after following process is completed.
As preferably, in described step l, adopt the method for baking to carry out the front drying of moulding, in described bake process, the surface temperature of bamboo silk is 60 degrees centigrade to 70 degrees centigrade, by the surface temperature that makes bamboo silk in bake process, it is 60 degrees centigrade to 70 degrees centigrade, can not damage because of excess Temperature the toughness of bamboo silk in the barbecue process, and the baking temperature in 60 degrees centigrade to 70 degrees centigrade intervals, make the bamboo silk there is higher drying efficiency, improve the manufacture efficiency on Recombined bamboo floor, reduced the manufacturing cost of recombined bamboo plate.
As preferably, in described step l, adopt natural drying method to carry out before moulding dry, dry by adopting natural drying method to carry out before moulding, reduced the manufacturing cost of recombined bamboo plate.
As preferably, described step m adopts the method moulding of colding pressing, and adopts the method moulding of colding pressing, and recombined bamboo plate does not need to add heating equipment in forming process, has reduced the manufacturing cost of recombined bamboo plate.
As preferably, described step m adopts the method moulding of hot pressing, and described hot pressing temperature is 40 degrees centigrade to 60 degrees centigrade, adopt hot-forming method, make recombined bamboo plate be more prone to moulding, improved the production efficiency of recombined bamboo plate, reduced the manufacturing cost of recombined bamboo plate.
As preferably, described step h can adopt natural drying method to carry out drying to the bamboo silk, also can adopt the method for baking to carry out drying to the bamboo silk, while adopting baking method to carry out drying to the bamboo silk, the surface temperature of bamboo silk is 40 degrees centigrade to 50 degrees centigrade, by adopting natural drying or toasting dry method the bamboo silk is carried out to drying, makes recombined bamboo plate in process of production, production method is flexible, has reduced the manufacturing cost of recombined bamboo plate.
Recombined bamboo plate production technology provided by the invention has following advantage: adopting the renewable resource bamboo wood is raw material, and the utilization rate of bamboo wood is high, can reach more than 90%, has reduced the wasting of resources; The recombined bamboo plate density that the present invention makes is up to 1200kg/m
3, be more than 1.6 times of common bamboo-wood floor, have advantages of that hardness is high, intensity is large, impact flexibility is high, the bamboo clappers of therefore recombinating just has anti abrasive advantage; The Recombined bamboo floor that the present invention makes also has anti-water suction, the advantage such as indeformable, and 24 hours thickness swelling rates are only 0.4% according to surveying and determination, are far superior to be less than or equal to 2.0% European standard; The recombined bamboo plate free formaldehyde release that the present invention makes, below 0.4mg/L, has reduced the harm of formaldehyde to the mankind.
The specific embodiment
Embodiment mono-
The recombined bamboo plate production technology, comprise the following steps successively,
A, select materials: select the bamboo wood that the diameter of a cross-section of a tree trunk 1.3 meters above the ground is greater than 60 millimeters, standby;
B, fracture: the bamboo wood that step a is obtained blocks and obtains the bamboo section, and the length of described bamboo section equals to want the machining sheet size and adds following process surplus size, and described following process surplus is of a size of 5% of described bamboo segment length;
C, open bar: the bamboo section obtained in step b is vertically cut open and made bamboo chip along axis, the central angle of described bamboo chip cross section is 30 degree, the cylindrical shape that is shaped as due to bamboo wood, by reducing the central angle of bamboo chip cross section, make bamboo chip more be tending towards smooth, reduce the removal amount of material in the following process, improved the utilization rate of material;
D, force plane: adopt the method for removing material to remove making the surf green on bamboo chip top layer and the tabasheer of the inside in step c, the surf green on described bamboo chip top layer is all removed, and the tabasheer residual quantity of described bamboo chip internal layer is no more than 30% of bamboo chip inner layer sheet area;
E, hack: the bamboo chip made in steps d is cut open and equaled the thin slice of 3 millimeters for thickness;
F, silk pressing: by the thin slice crushing made in step e, and guarantee that the bamboo chip fiber does not rupture, and makes the bamboo silk;
G, desugar, degreasing: the bamboo silk made in step f is carried out to desugar, ungrease treatment, the method of described desugar, ungrease treatment is carried out desugar, ungrease treatment for the method that adopts boiling to the bamboo silk, described boiling temperature is 100 degrees centigrade, and described digestion time is 4 hours;
H, drying: be less than 10% to moisture by the bamboo silk of processing in step g is natural drying;
I, sorting: by the dried bamboo silk of step h, incompleteness being arranged, damage by worms, go mouldy and removal that color distinction is large;
J, impregnation: the bamboo silk obtained in step I is soaked 15 minutes in glue, and in order to improve the quality of recombined bamboo plate, this place's bamboo silk should immerse in glue fully;
K, drench are dry: will be immersed in step j that bamboo silk in glue takes out and drench is done and do not had glue to drip;
Dry before l, moulding: it is 10% that the bamboo silk obtained in step k is dried to moisture, and described drying means is that in bake process, the surface temperature of bamboo silk is 60 degrees centigrade by dry method drying;
M, moulding: the bamboo silk made in step l is compressed to the sheet material needed, described drawing method adopts the method for cold moudling, adopt cold compression molding method, recombined bamboo plate does not need to add heating equipment in forming process, has reduced the manufacturing cost of recombined bamboo plate.
Glue in step j is common glue commonly used in the art.
It is raw material that the present invention adopts the renewable resource bamboo wood, and the utilization rate of bamboo wood is high, can reach more than 95%, has reduced the wasting of resources; The recombined bamboo plate density that the present invention makes is 1250kg/m
3, having advantages of that hardness is high, intensity is large, impact flexibility is high, the bamboo clappers of therefore recombinating just has anti abrasive advantage; The Recombined bamboo floor that the present invention makes also has anti-water suction, the advantage such as indeformable, and 24 hours thickness swelling rates are only 0.35% according to surveying and determination, are far superior to be less than or equal to 2.0% European standard; The recombined bamboo plate free formaldehyde release that the present invention makes is 0.2mg/L, has reduced the harm of formaldehyde to the mankind.
Embodiment bis-
The recombined bamboo plate production technology, comprise the following steps successively,
A, select materials: select the bamboo wood that wall thickness is greater than 3 millimeters, standby;
B, fracture: the bamboo wood that step a is obtained blocks and obtains the bamboo section, and the length of described bamboo section equals to want the machining sheet size and adds following process surplus size, and described following process surplus is of a size of 10% of described bamboo segment length;
C, open bar: the bamboo section obtained in step b is vertically cut open and made bamboo chip along axis, the central angle of described bamboo chip cross section is 60 degree, owing in the following process process, will bamboo chip being carried out to force plane, angle, the bamboo chip cross section center of circle adopts 60 degree, improve the force plane efficiency of bamboo chip, reduced the manufacturing cost of recombined bamboo plate;
D, force plane: adopt the method for removing material to remove making the surf green on bamboo chip top layer and the tabasheer of the inside in step c, the surf green on described bamboo chip top layer is all removed, and the tabasheer residual quantity of described bamboo chip internal layer is no more than 30% of bamboo chip inner layer sheet area;
E, hack: the bamboo chip made in steps d is cut open and equaled the thin slice of 2 millimeters for thickness;
F, silk pressing: by the thin slice crushing made in step e, and guarantee that the bamboo chip fiber does not rupture, and makes the bamboo silk;
G, desugar, degreasing: the bamboo silk made in step f is carried out to desugar, ungrease treatment, described desugar, the method of ungrease treatment is carried out desugar for the method that adopts boiling to the bamboo silk, ungrease treatment, described boiling temperature is 110 degrees centigrade, described digestion time is 2 hours, adopt the method for boiling to carry out desugar to the bamboo silk, during ungrease treatment, the bamboo silk in digestion process, add oxidative bleaching agent weight that weight is bamboo silk weight 1% be bamboo silk weight 0.8% use the Vermins-proof mildew-proof agent, make through desugar, bamboo silk after ungrease treatment has color and differs little, can be not mouldy and there is insect protected, improved the quality of recombined bamboo plate,
H, drying: adopt the method for baking to be dried to moisture the bamboo silk of processing in step g and be less than 10%, while adopting baking method to carry out drying to the bamboo silk, the surface temperature of bamboo silk is 40 degrees centigrade, by baking method, the bamboo silk is carried out to drying, has improved the drying efficiency of bamboo silk;
I, sorting: by the dried bamboo silk of step h, incompleteness being arranged, damage by worms, go mouldy and removal that color distinction is large;
J, impregnation: the bamboo silk obtained in step I is soaked 30 minutes in glue, and in order to improve the quality of recombined bamboo plate, this place's bamboo silk should immerse in glue fully;
K, drench are dry: will be immersed in step j that bamboo silk in glue takes out and drench is done and do not had glue to drip;
Dry before l, moulding: by the bamboo silk obtained in step k natural drying to moisture, be 15%;
M, moulding: the bamboo silk made in step l is compressed to the sheet material needed, described drawing method adopts hot-press molding method, described hot pressing temperature is 40 degrees centigrade, adopt hot-forming method, make the easier moulding of recombined bamboo plate, improve the production efficiency of recombined bamboo plate, reduced the manufacturing cost of recombined bamboo plate.
Bleaching agent in step g is market bleach agent commonly used in the art, and the Vermins-proof mildew-proof agent in described step g is common Vermins-proof mildew-proof agent commonly used in the art, and the glue in described step j is common glue commonly used in the art.
It is raw material that the present invention adopts the renewable resource bamboo wood, and the utilization rate of bamboo wood is high, can reach more than 93%, has reduced the wasting of resources; The recombined bamboo plate density that the present invention makes is 1220kg/m
3, having advantages of that hardness is high, intensity is large, impact flexibility is high, the bamboo clappers of therefore recombinating just has anti abrasive advantage; The Recombined bamboo floor that the present invention makes also has anti-water suction, the advantage such as indeformable, and 24 hours thickness swelling rates are only 0.3% according to surveying and determination, are far superior to be less than or equal to 2.0% European standard; The recombined bamboo plate free formaldehyde release that the present invention makes is 0.25mg/L, has reduced the harm of formaldehyde to the mankind.
Embodiment tri-
The recombined bamboo plate production technology, comprise the following steps successively,
A, select materials: select the bamboo wood that wall thickness is greater than 3 millimeters, standby;
B, fracture: the bamboo wood that step a is obtained blocks and obtains the bamboo section, and the length of described bamboo section equals to want the machining sheet size and adds following process surplus size, and described following process surplus is of a size of 8% of described bamboo segment length;
C, open bar: the bamboo section obtained in step b is vertically cut open and made bamboo chip along axis, the central angle of described bamboo chip cross section is 60 degree, owing in the following process process, will bamboo chip being carried out to force plane, angle, the bamboo chip cross section center of circle adopts 60 degree, improve the force plane efficiency of bamboo chip, reduced the manufacturing cost of recombined bamboo plate;
D, force plane: adopt the method for removing material to remove making the surf green on bamboo chip top layer and the tabasheer of the inside in step c, the surf green on described bamboo chip top layer is all removed, and the tabasheer residual quantity of described bamboo chip internal layer is no more than 30% of bamboo chip inner layer sheet area;
E, hack: the bamboo chip made in steps d is cut open and equaled the thin slice of 2 millimeters for thickness;
F, silk pressing: by the thin slice crushing made in step e, and guarantee that the bamboo chip fiber does not rupture, and makes the bamboo silk;
G, desugar, degreasing: the bamboo silk made in step f is carried out to desugar, ungrease treatment, the method of described desugar, ungrease treatment is carried out desugar, ungrease treatment for the method that adopts carbonization to the bamboo silk, described carburizing temperature is 100 degrees centigrade, described carbonization time is 4 hours, adopt the method for baking to carry out desugar, ungrease treatment to the bamboo silk, bamboo silk color and luster after desugar, ungrease treatment is close, and the recombined bamboo plate made after following process is completed is more attractive in appearance;
H, drying: adopt the method for baking to be dried to moisture the bamboo silk of processing in step g and be less than 10%, while adopting baking method to carry out drying to the bamboo silk, the surface temperature of bamboo silk is 40 degrees centigrade, by baking method, the bamboo silk is carried out to drying, has improved the drying efficiency of bamboo silk;
I, sorting: by the dried bamboo silk of step h, incompleteness being arranged, damage by worms, go mouldy and removal that color distinction is large;
J, impregnation: the bamboo silk obtained in step I is soaked 30 minutes in glue, and in order to improve the quality of recombined bamboo plate, this place's bamboo silk should immerse in glue fully;
K, drench are dry: will be immersed in step j that bamboo silk in glue takes out and drench is done and do not had glue to drip;
Dry before l, moulding: by the bamboo silk obtained in step k natural drying to moisture, be 15%;
M, moulding: the bamboo silk made in step l is compressed to the sheet material needed, described drawing method adopts hot-press molding method, described hot pressing temperature is 40 degrees centigrade, adopt hot-forming method, make the easier moulding of recombined bamboo plate, improve the production efficiency of recombined bamboo plate, reduced the manufacturing cost of recombined bamboo plate
Glue in step j is common glue commonly used in the art.
It is raw material that the present invention adopts the renewable resource bamboo wood, and the utilization rate of bamboo wood is high, can reach more than 93%, has reduced the wasting of resources; The recombined bamboo plate density that the present invention makes is 1210kg/m
3, having advantages of that hardness is high, intensity is large, impact flexibility is high, the bamboo clappers of therefore recombinating just has anti abrasive advantage; The Recombined bamboo floor that the present invention makes also has anti-water suction, the advantage such as indeformable, and 24 hours thickness swelling rates are only 0.4% according to surveying and determination, are far superior to be less than or equal to 2.0% European standard; The recombined bamboo plate free formaldehyde release that the present invention makes is 0.3mg/L, has reduced the harm of formaldehyde to the mankind.
Embodiment tetra-
The recombined bamboo plate production technology, comprise the following steps successively,
A, select materials: select the bamboo wood that wall thickness is greater than 3 millimeters, standby;
B, fracture: the bamboo wood that step a is obtained blocks and obtains the bamboo section, and the length of described bamboo section equals to want the machining sheet size and adds following process surplus size, and described following process surplus is of a size of 6% of described bamboo segment length;
C, open bar: the bamboo section obtained in step b is vertically cut open and made bamboo chip along axis, the central angle of described bamboo chip cross section is 45 degree, owing in the following process process, will bamboo chip being carried out to force plane, angle, the bamboo chip cross section center of circle adopts 45 degree, improve the force plane efficiency of bamboo chip, reduced the manufacturing cost of recombined bamboo plate;
D, force plane: adopt the method for removing material to remove making the surf green on bamboo chip top layer and the tabasheer of the inside in step c, the surf green on described bamboo chip top layer is all removed, and the tabasheer residual quantity of described bamboo chip internal layer is no more than 30% of bamboo chip inner layer sheet area;
E, hack: the bamboo chip made in steps d is cut open and equaled the thin slice of 1 millimeter for thickness;
F, silk pressing: by the thin slice crushing made in step e, and guarantee that the bamboo chip fiber does not rupture, and makes the bamboo silk;
G, desugar, degreasing: the bamboo silk made in step f is carried out to desugar, ungrease treatment, the method of described desugar, ungrease treatment is carried out desugar, ungrease treatment for the method that adopts carbonization to the bamboo silk, described carburizing temperature is 110 degrees centigrade, described carbonization time is 2 hours, adopt the method for baking to carry out desugar, ungrease treatment to the bamboo silk, bamboo silk color and luster after desugar, ungrease treatment is close, and the recombined bamboo plate made after following process is completed is more attractive in appearance;
H, drying: adopt the method for baking to be dried to moisture the bamboo silk of processing in step g and be less than 10%, while adopting baking method to carry out drying to the bamboo silk, the surface temperature of bamboo silk is 50 degrees centigrade, by baking method, the bamboo silk is carried out to drying, has improved the drying efficiency of bamboo silk;
I, sorting: by the dried bamboo silk of step h, incompleteness being arranged, damage by worms, go mouldy and removal that color distinction is large;
J, impregnation: the bamboo silk obtained in step I is soaked 20 minutes in glue, and in order to improve the quality of recombined bamboo plate, this place's bamboo silk should immerse in glue fully;
K, drench are dry: will be immersed in step j that bamboo silk in glue takes out and drench is done and do not had glue to drip;
Dry before l, moulding: by the bamboo silk obtained in step k natural drying to moisture, be 13%;
M, moulding: the bamboo silk made in step l is compressed to the sheet material needed, described drawing method adopts hot-press molding method, described hot pressing temperature is 60 degrees centigrade, adopt hot-forming method, make the easier moulding of recombined bamboo plate, improve the production efficiency of recombined bamboo plate, reduced the manufacturing cost of recombined bamboo plate
Glue in step j is common glue commonly used in the art.
It is raw material that the present invention adopts the renewable resource bamboo wood, and the utilization rate of bamboo wood is high, can reach more than 94%, has reduced the wasting of resources; The recombined bamboo plate density that the present invention makes is 1200kg/m
3, having advantages of that hardness is high, intensity is large, impact flexibility is high, the bamboo clappers of therefore recombinating just has anti abrasive advantage; The Recombined bamboo floor that the present invention makes also has anti-water suction, the advantage such as indeformable, and 24 hours thickness swelling rates are only 0.38% according to surveying and determination, are far superior to be less than or equal to 2.0% European standard; The recombined bamboo plate free formaldehyde release that the present invention makes is 0.31mg/L, has reduced the harm of formaldehyde to the mankind.
Embodiment five
The recombined bamboo plate production technology, comprise the following steps successively,
A, select materials: select the bamboo wood that the diameter of a cross-section of a tree trunk 1.3 meters above the ground is greater than 60 millimeters, standby;
B, fracture: the bamboo wood that step a is obtained blocks and obtains the bamboo section, and the length of described bamboo section equals to want the machining sheet size and adds following process surplus size, and described following process surplus is of a size of 7% of described bamboo segment length;
C, open bar: the bamboo section obtained in step b is vertically cut open and made bamboo chip along axis, the central angle of described bamboo chip cross section is 30 degree, the cylindrical shape that is shaped as due to bamboo wood, by reducing the central angle of bamboo chip cross section, make bamboo chip more be tending towards smooth, reduce the removal amount of material in the following process, improved the utilization rate of material;
D, force plane: adopt the method for removing material to remove making the surf green on bamboo chip top layer and the tabasheer of the inside in step c, the surf green on described bamboo chip top layer is all removed, and the tabasheer residual quantity of described bamboo chip internal layer is no more than 30% of bamboo chip inner layer sheet area;
E, hack: the bamboo chip made in steps d is cut open and is less than or equal to the thin slice of 3 millimeters for thickness;
F, silk pressing: by the thin slice crushing made in step e, and guarantee that the bamboo chip fiber does not rupture, and makes the bamboo silk;
G, desugar, degreasing: the bamboo silk made in step f is carried out to desugar, ungrease treatment, the method of described desugar, ungrease treatment is carried out desugar, ungrease treatment for the method that adopts boiling to the bamboo silk, described boiling temperature is 100 degrees centigrade, and described digestion time is 4 hours;
H, drying: be less than 10% to moisture by the bamboo silk of processing in step g is natural drying;
I, sorting: by the dried bamboo silk of step h, incompleteness being arranged, damage by worms, go mouldy and removal that color distinction is large;
J, impregnation: the bamboo silk obtained in step I is soaked 15 minutes in glue, and in order to improve the quality of recombined bamboo plate, this place's bamboo silk should immerse in glue fully;
K, drench are dry: will be immersed in step j that bamboo silk in glue takes out and drench is done and do not had glue to drip;
Dry before l, moulding: it is 10% that the bamboo silk obtained in step k is dried to moisture, and described drying means is that in bake process, the surface temperature of bamboo silk is 70 degrees centigrade by dry method drying;
M, moulding: the bamboo silk made in step l is compressed to the sheet material needed, described drawing method adopts the method for cold moudling, adopt cold compression molding method, recombined bamboo plate does not need to add heating equipment in forming process, has reduced the manufacturing cost of recombined bamboo plate.
Glue in step j is common glue commonly used in the art.
It is raw material that the present invention adopts the renewable resource bamboo wood, and the utilization rate of bamboo wood is high, can reach more than 95%, has reduced the wasting of resources; The recombined bamboo plate density that the present invention makes is 1250kg/m
3, having advantages of that hardness is high, intensity is large, impact flexibility is high, the bamboo clappers of therefore recombinating just has anti abrasive advantage; The Recombined bamboo floor that the present invention makes also has anti-water suction, the advantage such as indeformable, and 24 hours thickness swelling rates are only 0.35% according to surveying and determination, are far superior to be less than or equal to 2.0% European standard; The recombined bamboo plate free formaldehyde release that the present invention makes is 0.2mg/L, has reduced the harm of formaldehyde to the mankind.
These are only the preferred embodiment of the present invention, be intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all modifications of making based on the technology of the present invention content, variation or substitute technology feature, all should be covered by the technology category of claims opinion of the present invention.
Claims (10)
1. recombined bamboo plate production technology is characterized in that: comprises the following steps successively,
A, select materials: select the diameter of a cross-section of a tree trunk 1.3 meters above the ground and be greater than the bamboo wood that 60 millimeters or wall thickness are greater than 3 millimeters, standby;
B, fracture: the bamboo wood that step a is obtained blocks and obtains the bamboo section, and the length of described bamboo section equals to want the machining sheet size and adds following process surplus size, and described following process surplus is of a size of 5%～10% of described bamboo segment length;
C, open bar: the bamboo section obtained in step b is vertically cut open and made bamboo chip along axis;
D, force plane: adopt the method for removing material to remove making the surf green on bamboo chip top layer and the tabasheer of the inside in step c, the surf green on described bamboo chip top layer is all removed, and the tabasheer residual quantity of described bamboo chip internal layer is no more than 30% of bamboo chip inner layer sheet area;
E, hack: the bamboo chip made in steps d is cut open and is less than or equal to the thin slice of 3 millimeters for thickness;
F, silk pressing: by the thin slice crushing made in step e, and guarantee that the bamboo chip fiber does not rupture, and makes the bamboo silk;
G, desugar, degreasing: the bamboo silk made in step f is carried out to desugar, ungrease treatment;
H, drying: the bamboo silk of processing in step g is dried to moisture and is less than 10%;
I, sorting: by the dried bamboo silk of step h, incompleteness being arranged, damage by worms, go mouldy and removal that color distinction is large;
J, impregnation: the bamboo silk obtained in step I is soaked 15 minutes to 30 minutes in glue;
K, drench are dry: will be immersed in step j that bamboo silk in glue takes out and drench is done and do not had glue to drip;
Dry before l, moulding: that the bamboo silk obtained in step k is dried to moisture 10% to 15%;
M, moulding: the bamboo silk made in step l is compressed to the sheet material needed.
2. recombined bamboo plate production technology according to claim 1, it is characterized in that: the angle, the cross section center of circle of the bamboo chip made in described step c is that 30 degree are to 60 degree.
3. recombined bamboo plate production technology according to claim 1, it is characterized in that: in described g step, adopt the method for boiling to carry out desugar, ungrease treatment to the bamboo silk, described boiling temperature is 100 degrees centigrade to 110 degrees centigrade, and described digestion time is 2 hours to 4 hours.
4. recombined bamboo plate production technology according to claim 3, it is characterized in that: while adopting the method for boiling to carry out desugar, ungrease treatment to the bamboo silk in described step g, the bamboo silk adds the Vermins-proof mildew-proof agent that oxidative bleaching agent that weight is bamboo silk weight 0.1%～1% and weight are bamboo silk weight 0.1%～0.8% in digestion process.
5. recombined bamboo plate production technology according to claim 1, it is characterized in that: in described step g, adopt the method for carbonization to carry out desugar, ungrease treatment to the bamboo silk, described carburizing temperature is 100 degrees centigrade to 110 degrees centigrade, and described carbonization time is 2 hours to 4 hours.
6. recombined bamboo plate production technology according to claim 1 is characterized in that: in described step l, adopt the method for baking to carry out before moulding dry, in described bake process, the surface temperature of bamboo silk is 60 degrees centigrade to 70 degrees centigrade.
7. recombined bamboo plate production technology according to claim 1, is characterized in that: in described step l, adopt natural drying method to carry out moulding front dry.
8. recombined bamboo plate production technology according to claim 1, is characterized in that: the method moulding that described step m employing is colded pressing.
9. recombined bamboo plate production technology according to claim 1 is characterized in that: described step m adopts the method moulding of hot pressing, and described hot pressing temperature is 40 degrees centigrade to 60 degrees centigrade.
10. recombined bamboo plate production technology according to claim 1, it is characterized in that: described step h can adopt natural drying method to carry out drying to the bamboo silk, also can adopt the method for baking to carry out drying to the bamboo silk, while adopting baking method to carry out drying to the bamboo silk, the surface temperature of bamboo silk is 40 degrees centigrade to 50 degrees centigrade.
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