CN103223688A - Technology for producing novel technical wood - Google Patents
Technology for producing novel technical wood Download PDFInfo
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- CN103223688A CN103223688A CN2013101103405A CN201310110340A CN103223688A CN 103223688 A CN103223688 A CN 103223688A CN 2013101103405 A CN2013101103405 A CN 2013101103405A CN 201310110340 A CN201310110340 A CN 201310110340A CN 103223688 A CN103223688 A CN 103223688A
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Abstract
The invention discloses a technology for producing a novel technical wood, which comprises the steps as follows: a, a blank veneer is manufactured through rotary-cut or slicing, and is sheared into required size to obtain a veneer A; b, the veneer A is subjected to carbonizing heat treatment at different carbonizing temperatures to obtain a required wood color, and a veneer B is obtained; c, the veneer B is subjected to gumming, die pressing and batten health preservation treatment sequentially, and a batten C is obtained; and d, the batten C is sawed into required decoration pattern and size to obtain a finished product. The product produced by the technology disclosed by the invention has uniform wood color and moisture content, can expand the thicknesses of the veneers, improve the production efficiency, and prevent the environmental pollution caused by chemical reactions simultaneously.
Description
Technical field
The present invention relates to a kind of production method of veneer, particularly a kind of production technology of new technology wood.
Background technology
Science and technology wood is to be that raw material utilize bionics principle with common tree lumber (fast growing wood etc.), by timber is sheared, the more superior new decorative material of a kind of performance of dyeing, recombinant production.The technological process of production of typical science and technology wood is: product design → veneer manufacturing → veneer shearing → veneer toning → veneer drying → veneer gluing → compression molding → saw lumber → sawing → finished product, be characterized in that the wood grain that is material is obtained through contaminating different colours and angled sawing by veneer, for the seeds that the veneer aberration is arranged, before dyeing, also need to handle through bleaching.Often there are the following problems for its dyeing course: 1, dyeing process needs veneer is contaminated in the dying in the pond of 85 ± 5 ℃ of temperature, and the dip-dye process has a large amount of irritative gas volatilizations, harm operator health, and have a large amount of industrial wastewaters to discharge, cause environmental pollution; 2, fast growing wood has bigger anisotropy, heart sapwood material aberration is different big, and heart sapwood moisture content difference is so it is uneven very easily to occur dyeing in dyeing course, and in the drying steps behind dyeing course, distortion, the problems of crack of colored single palte appears causing because of moisture content is inhomogeneous; 3, dyeing process only rests on the surface to the processing of timber, so existing scientific and technological veneer thickness is about 0.7-0.8mm.
Summary of the invention
The objective of the invention is to, a kind of production technology of new technology wood is provided.Product wood color and moisture content that the present invention produces are even, and can enlarge veneer thickness, can also enhance productivity the environmental pollution that can avoid chemical reaction to cause simultaneously.
Technical scheme of the present invention: a kind of production technology of new technology wood is characterized in that this method comprises the steps:
A, make the blank veneer, and the blank veneer cut into required size by rotary-cut or slicing, the A veneer;
B, the A veneer is carried out the charing heat treatment of different carburizing temperatures, obtains required wood color, the B veneer;
C, the B veneer is carried out impregnation, mold pressing successively and the flitch health is handled, the C flitch;
D, the sawing of C flitch is become required decorative pattern and size, finished product.
In the production technology of aforesaid new technology wood, described A veneer thickness is 0.7-4mm.
In the production technology of aforesaid new technology wood, described step b is, the A veneer is placed carbonizing apparatus, heat up rapidly and humidification, temperature is increased to 80-90 ℃, humidity humidification to relative humidity is 70%-80%, keep 1-2h, adopt the staged temperature-rising method then, be warmed up to 125-240 ℃ and keep 2-4h by the speed of 20-25 ℃/h, adopt jet atomization water method with below the fast cooling to 100 in the carbonizing apparatus ℃ at last, stop jet atomization water, kiln discharge gets the B veneer when being cooled to 40-60 ℃ naturally.
In the production technology of aforesaid new technology wood, the glue of impregnation is urea-formaldehyde resin adhesive among the described step c, and solid content is 55%-60%, and viscosity is 330-400mPas in the time of 25 ℃, and the ph value is 5-6.
In the production technology of aforesaid new technology wood, the method for flitch health is among the described step c, the B veneer is carried out making the intermediate products flitch after impregnation and the mold pressing, and with flitch room temperature health 4 days, the C flitch.
In the production technology of aforesaid new technology wood, described charing heat treatment is kiln formula charing heat treatment, hot pressing charing heat treatment and pot type charing heat treatment, or any compound mode of three's heat treatment mode.
Compared with prior art, the present invention is changed colour to timber by high temperature carbonization heat treatment, not only can improve wood dimensional stability and anti-corrosive durability, also can make timber obtain different wood colors, and make wood color, moisture content on the whole plate face of fast growing wood veneer be tending towards uniformity by the mode of control treatment temperature, time and processing.The present invention also has following advantage: 1, veneer wood color and moisture content are even, have also saved the blanching step of part tree lumber, reduce processing step, save cost; 2, material internal pore permeability increases, and improves the operating efficiency of gluing step, and then further enhances productivity; 3, pure physical modification, the environmental pollution of having avoided chemical treatment to cause can reduce the harm to operator's health; Therefore 4, charing heat treatment is changed colour and can be run through whole thickness of timber and length direction, can enlarge veneer thickness, and maximum can make veneer expand 4mm to, is 5 times of the conventional veneer that changes colour.The present invention carries out impregnation by specific glue, and the feasible effect of changing colour is better.
The specific embodiment
The present invention is further illustrated below in conjunction with embodiment, but not as the foundation to the present invention's restriction.
Embodiment 1.A kind of production technology of new technology wood, this method comprises the steps:
A, make the blank veneer, and the blank veneer cut into required size by rotary-cut or slicing, the A veneer;
B, the A veneer is placed carbonizing apparatus, heat up rapidly and humidification, temperature is increased to 80 ℃, humidity humidification to relative humidity is 80%, keeps 2h, adopts the staged temperature-rising method then, be warmed up to 125 ℃ and keep 4h by the speed of 25 ℃/h, adopt jet atomization water method with fast cooling to 100 in the carbonizing apparatus ℃ at last, stop jet atomization water, kiln discharge gets the B veneer when being cooled to 60 ℃ naturally;
C, the B veneer is carried out impregnation, mold pressing successively and the flitch health is handled, the C flitch, the glue of impregnation is urea-formaldehyde resin adhesive, solid content is 55%-60%, viscosity is 330-400mPas in the time of 25 ℃, the ph value is 5-6;
D, the sawing of C flitch is become required decorative pattern and size, finished product.
Described A veneer thickness is 0.7-4mm.
The method of flitch health is among the described step c, the B veneer is carried out making the intermediate products flitch after impregnation and the mold pressing, and with flitch health at room temperature 4 days, get the C flitch.
Described charing heat treatment is kiln formula charing heat treatment, hot pressing charing heat treatment and pot type charing heat treatment, or any compound mode of three's heat treatment mode.
Embodiment 2.A kind of production technology of new technology wood, this method comprises the steps:
A, make the blank veneer, and the blank veneer cut into required size by rotary-cut or slicing, the A veneer;
B, the A veneer is placed carbonizing apparatus, heat up rapidly and humidification, temperature is increased to 90 ℃, humidity humidification to relative humidity is 70%, keeps 1h, adopts the staged temperature-rising method then, be warmed up to 240 ℃ and keep 2h by the speed of 20 ℃/h, adopt jet atomization water method with fast cooling to 90 in the carbonizing apparatus ℃ at last, stop jet atomization water, kiln discharge gets the B veneer when being cooled to 40 ℃ naturally;
C, the B veneer is carried out impregnation, mold pressing successively and the flitch health is handled, the C flitch, the glue of impregnation is urea-formaldehyde resin adhesive, solid content is 55%-60%, viscosity is 330-400mPas in the time of 25 ℃, the ph value is 5-6;
D, the sawing of C flitch is become required decorative pattern and size, finished product.
Described A veneer thickness is 0.7-4mm.
The method of flitch health is among the described step c, the B veneer is carried out making the intermediate products flitch after impregnation and the mold pressing, and with flitch health at room temperature 4 days, get the C flitch.
Described charing heat treatment is kiln formula charing heat treatment, hot pressing charing heat treatment and pot type charing heat treatment, or any compound mode of three's heat treatment mode.
Embodiment 3.A kind of production technology of new technology wood, this method comprises the steps:
A, make the blank veneer, and the blank veneer cut into required size by rotary-cut or slicing, the A veneer;
B, the A veneer is placed carbonizing apparatus, heat up rapidly and humidification, temperature is increased to 85 ℃, humidity humidification to relative humidity is 75%, keeps 1.5h, adopts the staged temperature-rising method then, be warmed up to 190 ℃ and keep 3h by the speed of 22 ℃/h, adopt jet atomization water method with below the fast cooling to 80 in the carbonizing apparatus ℃ at last, stop jet atomization water, kiln discharge gets the B veneer when being cooled to 50 ℃ naturally;
C, the B veneer is carried out impregnation, mold pressing successively and the flitch health is handled, the C flitch, the glue of impregnation is urea-formaldehyde resin adhesive, solid content is 55%-60%, viscosity is 330-400mPas in the time of 25 ℃, the ph value is 5-6;
D, the sawing of C flitch is become required decorative pattern and size, finished product.
Described A veneer thickness is 0.7-4mm.
The method of flitch health is among the described step c, the B veneer is carried out making the intermediate products flitch after impregnation and the mold pressing, and with flitch health at room temperature 4 days, get the C flitch.
Described charing heat treatment is kiln formula charing heat treatment, hot pressing charing heat treatment and pot type charing heat treatment, or any compound mode of three's heat treatment mode.
Claims (5)
1. the production technology of a new technology wood is characterized in that, this method comprises the steps:
A, make the blank veneer, and the blank veneer cut into required size by rotary-cut or slicing, the A veneer;
B, the A veneer is carried out the charing heat treatment of different carburizing temperatures, obtains required wood color, the B veneer;
C, the B veneer is carried out impregnation, mold pressing successively and the flitch health is handled, the C lumps of wood;
D, the sawing of the C lumps of wood is become required decorative pattern and size, finished product.
2. the production technology of new technology wood according to claim 1 is characterized in that: described A veneer thickness is 4mm.
3. the production technology of new technology wood according to claim 1, it is characterized in that: described step b is, the A veneer is placed carbonizing apparatus, heat up rapidly and humidification, temperature is increased to 80-90 ℃, humidity humidification to relative humidity is 70%-80%, keep 1-2h, adopt the staged temperature-rising method then, be warmed up to 125-240 ℃ and keep 2-4h by the speed of 20-25 ℃/h, adopt jet atomization water method with below the fast cooling to 100 in the carbonizing apparatus ℃ at last, stop jet atomization water, kiln discharge gets the B veneer when being cooled to 40-60 ℃ naturally.
4. according to the production technology of claim 1,2 or 3 described new technology wood, it is characterized in that: the glue of impregnation is urea-formaldehyde resin adhesive among the described step c, and solid content is 55%-60%, and viscosity is 330-400mPas in the time of 25 ℃, and the ph value is 5-6.
5. the production technology of new technology wood according to claim 4 is characterized in that: the method for flitch health is among the described step c, the B veneer is carried out making the intermediate products flitch after impregnation and the mold pressing, and with flitch room temperature health 4 days, the C flitch.
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| CN201310110340.5A CN103223688B (en) | 2013-03-29 | 2013-03-29 | Technology for producing novel technical wood |
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| CN201310110340.5A CN103223688B (en) | 2013-03-29 | 2013-03-29 | Technology for producing novel technical wood |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493943A (en) * | 2014-12-28 | 2015-04-08 | 浙江升华云峰新材股份有限公司 | Production process of scientific wood veneer |
| CN112536866A (en) * | 2020-10-27 | 2021-03-23 | 华南农业大学 | Bionic wood section of technical wood and preparation method and application thereof |
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| CN101069972A (en) * | 2007-05-28 | 2007-11-14 | 浙江林学院 | Method for producing charred wood by heat treatment |
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| CN102398288A (en) * | 2010-09-17 | 2012-04-04 | 李和麟 | Method for manufacturing laminated veneer lumber by using wood |
| CN102528880A (en) * | 2012-01-09 | 2012-07-04 | 浙江升华云峰新材股份有限公司 | Method of using eucalyptus to make formaldehyde-free veneer laminated lumber |
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| CN102554980A (en) * | 2012-02-20 | 2012-07-11 | 浙江世友木业有限公司 | Manufacturing method of laminated veneer lumber |
| CN102626940A (en) * | 2011-02-07 | 2012-08-08 | 刘锡丽 | Solid wood section improving method and sections improved thereby |
| CN102990752A (en) * | 2012-11-30 | 2013-03-27 | 浙江世友木业有限公司 | Sheet carbonizing method |
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2013
- 2013-03-29 CN CN201310110340.5A patent/CN103223688B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428802A (en) * | 1977-08-08 | 1979-03-03 | Kanagawa Prefecture | Color treatment of wood and bamoo material by carbonization |
| CN101069972A (en) * | 2007-05-28 | 2007-11-14 | 浙江林学院 | Method for producing charred wood by heat treatment |
| CN101879736A (en) * | 2010-07-14 | 2010-11-10 | 浙江世友木业有限公司 | Stable enhanced type solid wood profile and production method thereof |
| CN102398288A (en) * | 2010-09-17 | 2012-04-04 | 李和麟 | Method for manufacturing laminated veneer lumber by using wood |
| CN102555005A (en) * | 2010-12-17 | 2012-07-11 | 浙江林碳木业科技有限公司 | Flame-retardant solid wood section, flame-retardant solid wood floor and production method of flame-retardant solid wood section |
| CN102172940A (en) * | 2011-01-30 | 2011-09-07 | 浙江仕强竹业有限公司 | Method for producing high-density recombined wood |
| CN102626940A (en) * | 2011-02-07 | 2012-08-08 | 刘锡丽 | Solid wood section improving method and sections improved thereby |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104493943A (en) * | 2014-12-28 | 2015-04-08 | 浙江升华云峰新材股份有限公司 | Production process of scientific wood veneer |
| CN112536866A (en) * | 2020-10-27 | 2021-03-23 | 华南农业大学 | Bionic wood section of technical wood and preparation method and application thereof |
| CN112536866B (en) * | 2020-10-27 | 2022-08-02 | 华南农业大学 | Bionic wood section of technical wood and preparation method and application thereof |
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| CN103223688B (en) | 2015-07-22 |
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Denomination of invention: Production technology of a new type of scientific and technological wood Effective date of registration: 20211227 Granted publication date: 20150722 Pledgee: Agricultural Bank of China Limited Huzhou Nanxun sub branch Pledgor: ZHEJIANG SHIYOU WOOD INDUSTRY Co.,Ltd. Registration number: Y2021330002682 |
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Date of cancellation: 20220506 Granted publication date: 20150722 Pledgee: Agricultural Bank of China Limited Huzhou Nanxun sub branch Pledgor: ZHEJIANG SHIYOU WOOD INDUSTRY Co.,Ltd. Registration number: Y2021330002682 |
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