CN105034117A - Modified high-thermal-conductivity solid wood floor for heating - Google Patents
Modified high-thermal-conductivity solid wood floor for heating Download PDFInfo
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- CN105034117A CN105034117A CN201510477993.6A CN201510477993A CN105034117A CN 105034117 A CN105034117 A CN 105034117A CN 201510477993 A CN201510477993 A CN 201510477993A CN 105034117 A CN105034117 A CN 105034117A
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Abstract
The invention discloses a modified high-thermal-conductivity solid wood floor for heating. The modified high-thermal-conductivity solid wood floor for heating is prepared through a method which comprises the steps of preparing wood; performing vacuum immersion treatment; pre-drying the wood; stacking and placing pre-dried battens or blank in a carbonization treatment device, using 0.2-0.3% of trehalose solution as a superheated steam heat transfer medium and protective gas, warming the wood to 45-55 DEG C at a speed of 3-5 DEG C/min and preserving heat for 3-5 h, warming the wood to 180-200 DEG C at a speed of 10-12 DEG C/min and preserving heat for 2-2.5 h, warming the wood to 220 DEG C at a speed of 5 DEG C/min and preserving heat for 10 min, stopping heating and cooling the wood, spraying steam to adjust the humidity until the water content of the wood is 4%-6% and discharging the wood; and forming the wood floor. The wood floor is stable in size, good in thermal conductivity, environmentally friendly and free of chemical substance residue.
Description
Technical field
The present invention relates to a kind of modification height heat conduction heating solid wooden floor board and production technology thereof, belong to wood processing field.
Background technology
Heat conduction efficiency characterizes the heat-transfer effect that the ground heating used time is done on floor, and heat conduction efficiency is larger, shows that the heat transfer property on floor is better.Only have the good heat conductivity when timber, and during dimensionally stable, could as heating timber floor.
Heat modification timber (HeatModifiedWood), also be commonly called as deep charring wood in China. refer to 160 ~ 230 degree of (conventional 180 ~ 215 degree) dielectric heating process timber, the quality of improved wood, reduce moisture absorption and the water imbibition of timber, improve the stability of size, biological rotproofness and against weather, thus make a kind of function admirable, beautiful appearance and eco-friendly Wood products.By the control of different medium in manufacturing process, different temperatures, the process such as maintenance, colouring, surperficial calcination, the slightly discrepant product of various performance can be obtained. heat modification timber is real Green Product, although have antiseptic insect-repelling performance, but not containing any harmful substance, raising wood using life while, can not produce, use and discarded object process in, have any negative effect to human body, animal and environment.Wood components, in heat modification process, there occurs complicated chemical reaction, and generate free acetic acid, the food that rotten fungi is liked significantly reduces, thus enhances the rotproofness of timber.This modification is eco-friendly treatment technology, compared with chemical agent method of modifying, pollute seldom in heat modification production process, treatment process simpler one and antiseptic effect can not be reduced because of the loss of chemical agent in use procedure, also high mountain does not damage human body.
Rubber tree (Heveabrasiliensis) is extensively planted in south China and Southeast Asia, every year because upgrading the rubber wood timber produced more than 1000 ten thousand steres.Rubber wood timber belongs to diffuse porous wood, easily processes, and texture is pleasing, and being widely used in woodworks such as making furniture, integrated timber finger-jointed plate, toy at present, is important artificial forest merchantable timber.Due to artificial cultivation, arboreal growth is very fast, timber contains a certain proportion of reaction wood, its heart sapwood performance variation is larger, simultaneously due to the impact of rubber tapping on trees xylem, rubber wood timber is more containing knot, black line, and the solid wooden floor board volume recovery in the past adopting rubber wood timber to produce is lower, current rubber wood timber is less directly applies to solid wooden floor board field, and what market can be seen is rubber wood timber veneer overlay composite floor board.Find in the early-stage Study of rubber wood timber Technology for Heating Processing, after rubber wood timber heat treatment, loss of strength is serious.Further, heat treatment can not improve the termite-proof moth erosion ability of rubber wood timber, even makes more easily to be eaten into by ant, limits the termite activities such as the use, particularly Guangdong of rubber wood timber in the field such as indoor, outdoor, Guangxi and Hainan regional frequently.
Prior art is disclosed and uses resin infusion or boric acid compound to impregnate, then the technique of heat-treating.But with after resin treatment, the feature of environmental protection differs from a lot.Acid-treated with boron, the problem that loss of strength after rubber wood timber heat treatment is large can not be solved.These techniques all do not solve the problem of rubber wood timber floor heat conduction difference yet.
The present invention aims to provide a kind of dimensionally stable, good heat conductivity, environmental protection, without chemical residue, modified rubber timber floor.
Summary of the invention
Based on background technology exist technical problem, the present invention is directed to background technology Problems existing, provide a kind of dimensionally stable, good heat conductivity, environmental protection, without chemical residue, modified rubber timber floor.
Object of the present invention is achieved through the following technical solutions:
A kind of modification height heat conduction heating solid wooden floor board, it is prepared from by the following method:
(1) timber is prepared: rubber wood timber log saw is made flitch or blank;
(2) vacuum impregnation process: flitch or stacks of blanks are inserted application of vacuum tank, with boric acid, acetic acid aqueous solution is treatment fluid vacuum pressure impregnating;
(3) prebake: the flitch after vacuum impregnation process or blank are dried to moisture content 20-28%;
(4) heat modification process: the flitch after prebake or stacks of blanks are inserted charing treatment facility, using 0.2-0.3% aqueous trehalose as superheated steam heat transfer medium and protective gas, 45-55 DEG C of insulation 3-5 hour is warming up to the speed of 3-5 DEG C/min, then with the speed of 10-12 DEG C/min, timber is warming up to 180-200 DEG C and keeps 2-2.5h, then with the speed of 5 DEG C/min, timber is warming up to 220 DEG C and keeps 10min, then heating cooling is stopped and spraying steam damping, be 4%-6% to moisture content, draw off;
(5) timber floor is made: the flitch after modification is cut into charing rubber wood timber blank, block, sanding, mortice opening, rubber wood timber floor made by paint.
As preferably, described step (2) treatment fluid is, according to mass percent, and boric acid 4-5%, acetic acid 1-1.5%;
As preferably, described step (2) is: the vacuum of described application of vacuum tank is 0.05-0.08, and moulding pressure is 1-1.5MPa, and pressing time is, 10-15min;
As preferably, in described step (4), as the aqueous trehalose concentration of steam, be 0.2-0.4% according to mass percent.。
As preferably, in described step (4), modifiedly can carry out health process further.
Usefulness of the present invention is:
1. present invention process environmental protection, the harmful substance such as not resinous;
2. the rubber wood timber floor heat conduction performance for preparing of the present invention is good, and termite-proof performance is good;
3. the rubber wood timber floor dimensionally stable for preparing of the present invention, durable, is suitable as heating floor.
4. the rubber wood timber floor beautiful appearance for preparing of the present invention, air.
Detailed description of the invention
Embodiment 1:
A production method for high-strength hot modified rubber timber floor, comprises the steps:
(1) timber is prepared: rubber wood timber log saw is made flitch or blank;
(2) vacuum impregnation process: flitch or stacks of blanks are inserted application of vacuum tank, with boric acid, acetic acid aqueous solution is treatment fluid vacuum pressure impregnating; Wherein said treatment fluid is, according to mass percent, and boric acid 4%, acetic acid 1%; The vacuum of described application of vacuum tank is 0.05, and moulding pressure is 1MPa, and pressing time is 10min;
(3) prebake: the flitch after vacuum impregnation process or blank are dried to moisture content 20%;
(4) heat modification process: the flitch after prebake or stacks of blanks are inserted charing treatment facility, using 0.2% aqueous trehalose as superheated steam heat transfer medium and protective gas, 45 DEG C of insulation 3-5 hour are warming up to the speed of 3 DEG C/min, then with the speed of 10 DEG C/min, timber is warming up to 180 DEG C and keeps 2h, then with the speed of 5 DEG C/min, timber is warming up to 220 DEG C and keeps 10min, then stop heating cooling and spraying steam damping, be 4% to moisture content, draw off;
(5) timber floor is made: the flitch after modification is cut into charing rubber wood timber blank, block, sanding, mortice opening, rubber wood timber floor made by paint, and finished size is: 1.5cm × 20cm × 50cm.
The timber floor wood color that the present embodiment is obtained and dark color famous and precious hardwood decorative effect close, beautiful appearance air.
Embodiment 2:
A production method for high-strength hot modified rubber timber floor, comprises the steps:
(1) timber is prepared: rubber wood timber log saw is made flitch or blank;
(2) vacuum impregnation process: flitch or stacks of blanks are inserted application of vacuum tank, with boric acid, acetic acid aqueous solution is treatment fluid vacuum pressure impregnating; Wherein said treatment fluid is, according to mass percent, and boric acid 5%, acetic acid 1.5%; The vacuum of described application of vacuum tank is 0.08, and moulding pressure is 1.5MPa, and pressing time is, 15min;
(3) prebake: the flitch after vacuum impregnation process or blank are dried to moisture content 28%;
(4) heat modification process: the flitch after prebake or stacks of blanks are inserted charing treatment facility, using 0.2-0.3% aqueous trehalose as superheated steam heat transfer medium and protective gas, 55 DEG C of insulations 5 hours are warming up to the speed of 5 DEG C/min, then with the speed of 12 DEG C/min, timber is warming up to 200 DEG C and keeps 2.5h, then with the speed of 5 DEG C/min, timber is warming up to 220 DEG C and keeps 10min, then stop heating cooling and spraying steam damping, be 5% to moisture content, draw off;
(5) timber floor is made: the flitch after modification is cut into charing rubber wood timber blank, block, sanding, mortice opening, rubber wood timber floor made by paint, and finished size is: 1.5cm × 20cm × 50cm.
The timber floor wood color that the present embodiment is obtained and dark color famous and precious hardwood decorative effect close, beautiful appearance air.
Embodiment 3:
A production method for high-strength hot modified rubber timber floor, comprises the steps:
(1) timber is prepared: rubber wood timber log saw is made flitch or blank;
(2) vacuum impregnation process: flitch or stacks of blanks are inserted application of vacuum tank, with boric acid, acetic acid aqueous solution is treatment fluid vacuum pressure impregnating; Wherein said treatment fluid is, according to mass percent, and boric acid 5%, acetic acid 1%; The vacuum of described application of vacuum tank is 0.06, and moulding pressure is 1.2MPa, and pressing time is, 12min;
(3) prebake: the flitch after vacuum impregnation process or blank are dried to moisture content 25%;
(4) heat modification process: the flitch after prebake or stacks of blanks are inserted charing treatment facility, using 0.2% aqueous trehalose as superheated steam heat transfer medium and protective gas, 50 DEG C of insulation 3-5 hour are warming up to the speed of 4 DEG C/min, then with the speed of 11 DEG C/min, timber is warming up to 190 DEG C and keeps 2h, then with the speed of 5 DEG C/min, timber is warming up to 220 DEG C and keeps 10min, then stop heating cooling and spraying steam damping, be 6% to moisture content, draw off;
(5) timber floor is made: the flitch after modification is cut into charing rubber wood timber blank, block, sanding, mortice opening, rubber wood timber floor made by paint, and finished size is: 1.5cm × 20cm × 50cm.
The timber floor wood color that the present embodiment is obtained and dark color famous and precious hardwood decorative effect close, beautiful appearance air.
Embodiment 4:
A production method for high-strength hot modified rubber timber floor, comprises the steps:
(1) timber is prepared: rubber wood timber log saw is made flitch or blank;
(2) vacuum impregnation process: flitch or stacks of blanks are inserted application of vacuum tank, with boric acid, acetic acid aqueous solution is treatment fluid vacuum pressure impregnating; Wherein said treatment fluid is, according to mass percent, and boric acid 4%, acetic acid 1%; The vacuum of described application of vacuum tank is 0.06, and moulding pressure is 1MPa, and pressing time is, 10-15min;
(3) prebake: the flitch after vacuum impregnation process or blank are dried to moisture content 25%;
(4) heat modification process: the flitch after prebake or stacks of blanks are inserted charing treatment facility, using 0.3% aqueous trehalose as superheated steam heat transfer medium and protective gas, 50 DEG C of insulations 3 hours are warming up to the speed of 4 DEG C/min, then with the speed of 12 DEG C/min, timber is warming up to 190 DEG C and keeps 2.2h, then with the speed of 5 DEG C/min, timber is warming up to 220 DEG C and keeps 10min, then stop heating cooling and spraying steam damping, be 4% to moisture content, draw off;
(5) timber floor is made: the flitch after modification is cut into charing rubber wood timber blank, block, sanding, mortice opening, rubber wood timber floor made by paint, and finished size is: 1.5cm × 20cm × 50cm.
The timber floor wood color that the present embodiment is obtained and dark color famous and precious hardwood decorative effect close, beautiful appearance air.
Embodiment 5:
Do not carry out Immersion treatment and test 1 as a comparison
Comparative example 1:
A production method for high-strength hot modified rubber timber floor, comprises the steps:
(1) timber is prepared: rubber wood timber log saw is made flitch or blank;
(2) prebake: the flitch after vacuum impregnation process or blank are dried to moisture content 20%;
(3) heat modification process: the flitch after prebake or stacks of blanks are inserted charing treatment facility, using 0.2-0.3% aqueous trehalose as superheated steam heat transfer medium and protective gas, 45 DEG C of insulations 4 hours are warming up to the speed of 3 DEG C/min, then with the speed of 11 DEG C/min, timber is warming up to 190 DEG C and keeps 2h, then with the speed of 5 DEG C/min, timber is warming up to 220 DEG C and keeps 10min, then stop heating cooling and spraying steam damping, be 5% to moisture content, draw off;
(4) timber floor is made: the flitch after modification is cut into charing rubber wood timber blank, block, sanding, mortice opening, rubber wood timber floor made by paint, and finished size is: 1.5cm × 20cm × 50cm.
Embodiment 6:
Use steam, do not use 0.2-0.3% aqueous trehalose steam, heat modification uses conventional parameter to carry out heat modification and tests 2 as a comparison
Comparative example 2:
A production method for high-strength hot modified rubber timber floor, comprises the steps:
(1) timber is prepared: rubber wood timber log saw is made flitch or blank;
(2) vacuum impregnation process: flitch or stacks of blanks are inserted application of vacuum tank, with boric acid, acetic acid aqueous solution is treatment fluid vacuum pressure impregnating; Wherein said treatment fluid is, according to mass percent, and boric acid 4%, acetic acid 1%; The vacuum of described application of vacuum tank is 0.05, and moulding pressure is 1MPa, and pressing time is, 10min;
(3) prebake: the flitch after vacuum impregnation process or blank are dried to moisture content 20-28%;
(4) heat modification process: the flitch after prebake or stacks of blanks are inserted charing treatment facility, using steam as superheated steam heat transfer medium and protective gas, with the speed of 12 DEG C/min, timber is warming up to 200 DEG C and keeps 2.5h, then heating cooling is stopped and spraying steam damping, be 6% to moisture content, draw off;
(5) timber floor is made: the flitch after modification is cut into charing rubber wood timber blank, block, sanding, mortice opening, rubber wood timber floor made by paint, and finished size is: 1.5cm × 20cm × 50cm.
Detect embodiment 1-6, result is as shown in table 1:
Wherein heat conductivility by, at 45 DEG C, floor of mating formation, measure after 1 hour 18mm thickness wood floor surface temperature obtain.
Table 1
As can be seen here, the rubber wood timber floor heat conduction performance that the present invention obtains is good, and case hardness is large, dimensionally stable, and not containing any resin, technique environmental protection and energy saving, meet New Times development need.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. the production method of a modification height heat conduction heating solid wooden floor board:
(1) timber is prepared: rubber wood timber log saw is made flitch or blank;
(2) vacuum impregnation process: flitch or stacks of blanks are inserted application of vacuum tank, with boric acid, acetic acid aqueous solution is treatment fluid vacuum pressure impregnating;
(3) prebake: the flitch after vacuum impregnation process or blank are dried to moisture content 20-28%;
(4) heat modification process: the flitch after prebake or stacks of blanks are inserted charing treatment facility, using 0.2-0.3% aqueous trehalose as superheated steam heat transfer medium and protective gas, 45-55 DEG C of insulation 3-5 hour is warming up to the speed of 3-5 DEG C/min, then with the speed of 10-12 DEG C/min, timber is warming up to 180-200 DEG C and keeps 2-2.5h, then with the speed of 5 DEG C/min, timber is warming up to 220 DEG C and keeps 10min, then heating cooling is stopped and spraying steam damping, be 4%-6% to moisture content, draw off;
(5) timber floor is made: the flitch after modification is cut into charing rubber wood timber blank, block, sanding, mortice opening, rubber wood timber floor made by paint.
2. the production method of timber floor according to claim 1, is characterized in that:
As preferably, described step (2) treatment fluid is, according to mass percent, and boric acid 4-5%, acetic acid 1-1.5%.
3. the production method of the timber floor described in claim 1-2, is characterized in that:
Described step (2) is: the vacuum of described application of vacuum tank is 0.05-0.08, and moulding pressure is 1-1.5MPa, and pressing time is, 10-15min.
4. the production method of the timber floor described in claim 1-3, is characterized in that:
In described step (4), as the aqueous trehalose concentration of steam, be 0.2-0.4% according to mass percent.
5. the production method of the timber floor described in claim 1-4, is characterized in that:
In described step (4), modifiedly can carry out health process further.
6. the modification height heat conduction heating solid wooden floor board that the production method described in claim 1-5 prepares.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510477993.6A CN105034117A (en) | 2015-08-06 | 2015-08-06 | Modified high-thermal-conductivity solid wood floor for heating |
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| CN201510477993.6A CN105034117A (en) | 2015-08-06 | 2015-08-06 | Modified high-thermal-conductivity solid wood floor for heating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272850A (en) * | 2016-08-31 | 2017-01-04 | 苏州好宜家木业有限公司 | A kind of solid wood terrestrial heat latch floor manufacturing process |
| CN108115798A (en) * | 2017-12-04 | 2018-06-05 | 杨舜轲 | A kind of process equipment and processing method of floor heating multi-layer solid wood composite floor |
| CN108162115A (en) * | 2017-12-19 | 2018-06-15 | 张嘉宸 | A kind of processing method of floor heating solid wood granule floor |
| CN109049205A (en) * | 2018-08-24 | 2018-12-21 | 湖州汇德集团有限公司 | The production method of Anti-cracking wood floor |
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| CN101468479A (en) * | 2007-12-28 | 2009-07-01 | 广东省林业科学研究院 | Boronic compound high-temperature heat-treatment method for lumber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106272850A (en) * | 2016-08-31 | 2017-01-04 | 苏州好宜家木业有限公司 | A kind of solid wood terrestrial heat latch floor manufacturing process |
| CN108115798A (en) * | 2017-12-04 | 2018-06-05 | 杨舜轲 | A kind of process equipment and processing method of floor heating multi-layer solid wood composite floor |
| CN108162115A (en) * | 2017-12-19 | 2018-06-15 | 张嘉宸 | A kind of processing method of floor heating solid wood granule floor |
| CN109049205A (en) * | 2018-08-24 | 2018-12-21 | 湖州汇德集团有限公司 | The production method of Anti-cracking wood floor |
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