CN202969850U - Solid wood composited heated floor with carbonized surface - Google Patents

Solid wood composited heated floor with carbonized surface Download PDF

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Publication number
CN202969850U
CN202969850U CN 201220647812 CN201220647812U CN202969850U CN 202969850 U CN202969850 U CN 202969850U CN 201220647812 CN201220647812 CN 201220647812 CN 201220647812 U CN201220647812 U CN 201220647812U CN 202969850 U CN202969850 U CN 202969850U
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epidermis
base material
hour
stability
composited
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Expired - Fee Related
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CN 201220647812
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Inventor
涂登云
于学利
劳奕旻
杨莎莎
朱月虎
王明俊
郑峰峰
杜春烨
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ZHEJIANG SHIYOU WOOD INDUSTRY Co Ltd
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ZHEJIANG SHIYOU WOOD INDUSTRY Co Ltd
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Abstract

The utility model discloses a solid wood composited heated floor with a carbonized surface. The solid wood composited heated floor with the carbonized surface comprises a surface layer and a base material, wherein the surface layer is combined with the base material through pasting of glue. The solid wood composited heated floor with the carbonized surface is quick in manufacturing speed, high in efficiency, low in energy consumption, energy-saving and environment-friendly. The manufactured solid wood composited floor is good in stability and long in service life. The surface layer is not prone to degumming or crazing in a using process.

Description

A kind of wood composite floor heating floorboard of superficial charring
Technical field
The utility model relates to the composite floor board technical field, relates in particular a kind of wood composite floor heating floorboard of superficial charring.
Background technology
Along with hardwood is raw-material in short supply, the utilization of fast growing wood is also more and more universal, therefore especially fast growing wood utilizes the increasingly extensive of field, improves the comprehensive utilization ratio of fast growing wood, becomes fast growing wood and utilizes the problem that next stage need to face.Notice of authorization number is that the Chinese utility model patent on June 30th, 2010 discloses a kind of Double-layer wood composite floor for CN201517278U, the day for announcing, and its consists of and comprises wooden skin and base material; Wood skin and base material all adopt fast growing wood to make; Fast growing wood is willow, willow, eucalyptus, Southern Pine, pinus sylvestris var. mongolica and pesudotsuga taxifolia; The wood skin is bonding by formaldehydeless PIC bonding adhesive and base material; The thickness of wood skin is 2~6mm, and the thickness of base material is 12~18mm; And for example number of patent application is that the CN201110176424.X name is called a kind of stable type double-layer ground-heating solid wood floorboard and manufacture method thereof, comprises the following steps: (1) wooden skin and base material making step; (2) drying steps; (3) charing heat treatment step; (4) moisture content readjustment step; (5) gummed fixing step.The double-deck ground heating wooden floor dimensional stability that manufacturing obtains is better, have the table weak foot sense of the hard end more comfortable, can be applied to ground heating, longer service life.Also solved existing wooden skin the tile strain cracking has easily occured.The solid wooden compound floor that above-mentioned patent system gets, poor stability, epidermis and in use easily occur coming unstuck and the tile phenomenon.
The utility model content
The objective of the invention is for the deficiencies in the prior art part, a kind of wood composite floor heating floorboard of superficial charring is provided, its manufacturing speed is fast, efficient is high, less energy consumption, energy-conserving and environment-protective, the wood composite floor heating floorboard of making, good stability, long service life, epidermis in use are not easy to occur coming unstuck and the tile phenomenon.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows: a kind of wood composite floor heating floorboard of superficial charring, comprise epidermis, base material, and described epidermis and described base material are bonded to one by glue.
As preferably, described epidermis is made by fast growing wood or hardwood, and described base material is made by fast growing wood.
Hardwood is oak, Manchurian ash, teak, elm etc.; Fast growing wood is willow, willow, eucalyptus, Southern Pine, pinus sylvestris var. mongolica and pesudotsuga taxifolia etc.
As preferably, described epidermal thickness is 1.2-6.2mm.
A kind of manufacture method of wood composite floor heating floorboard of superficial charring comprises the following steps:
(1) epidermis and base material making step; Utilize as required blank to make epidermis and base material, wherein said epidermis is hardwood, and thickness is 1.2-6.2mm, and described base material is fast growing wood; Described epidermis width stability ε table, described base material width stability ε base, wherein, described epidermis width stability ε table scope is: 99.875% ε base≤ε table≤100.632% ε base;
(2) epidermis heat treatment step;
A) epidermis dry run; The epidermis that is 1.2-6.2mm with thickness is dried to moisture content 20-30%;
B) be rapidly heated the stage for the first time; Dried epidermis is put into carbonizing kiln, be warming up to 120-130 ℃ with the speed of 40-60 ℃/hour;
C) holding stage for the first time; 120-130 ℃ of insulation 0.5-1 hour;
D) humidification holding stage; Humidification rising humidity, wet-bulb temperature to 100 ℃ is incubated 1-1.5 hour;
E) be rapidly heated the stage for the second time; Be warming up to 180-230 ℃ with the speed of 40-60 ℃/hour;
F) holding stage for the second time; 180-230 ℃ of insulation 1-1.5 hour;
G) the fast cooling stage; By pass into the mode of recirculated cooling water in coil pipe, with extremely≤140 ℃ of greenhouse coolings in carbonizing kiln, and then naturally be cooled to≤90 ℃, kiln discharge;
(3) base material heat treatment step; Base material is carried out drying process, adjust the base material moisture content to 12-16%, insert in carbonizing kiln and heat-treat, first speed with 40-60 ℃/hour is warming up to 120-130 ℃, is incubated 1-3 hour; Be warming up to 160-210 ℃ with the speed of 40-60 ℃/hour again, be incubated 1-3 hour, then get damp again to base material moisture content 5-12%, the charing kiln temperature is down to 30-60 ℃, kiln discharge;
(4) glue together the step of colding pressing;
(5) machining steps.
In the time of selection material, epidermis is hardwood, and base material is fast growing wood; Make epidermis and base material satisfy: 99.875% ε base≤ε shows≤100.632% ε, to obtain thermal effectiveness preferably, after being convenient to epidermis and base material heat treatment, bonding is fixed into one, can not come unstuck, the tile phenomenon, the epidermis that is 1.2-6.2mm with thickness is dried to moisture content 20-30%, spended time significantly reduces, needed cost decrease, in the epidermis carbonization process, be divided into temperature-rise period twice, in twice temperature-rise period, have again holding stage, last fast cooling, kiln discharge; Moisture content coordinates twice intensification and incubation step, and through the epidermis that said method is made, its spended time is few, and thermal effectiveness is good, and the mechanical property loss is minimum, and good stability is not easy to crack, and is not yielding; Same, with epidermis with after the base material after Overheating Treatment is bonded to one, both are in conjunction with more firm, good stability, long service life, epidermis and in use be not easy to occur coming unstuck and the tile phenomenon.Described epidermis width stability ε table comprises the heat-resisting dimensional stability of epidermis and epidermis moisture-proof dimensional stability, described base material width stability ε base comprises the heat-resisting dimensional stability of base material and base material moisture-proof dimensional stability, that is to say, the 99.875% heat-resisting dimensional stability of the heat-resisting dimensional stability≤epidermis of base material≤100.632% heat-resisting dimensional stability of base material, 99.875% base material moisture-proof dimensional stability≤epidermis moisture-proof dimensional stability≤100.632% base material moisture-proof dimensional stability.
As preferably, in the step d) of described epidermis heat treatment step, in 1-1.5 hour process of insulation, its temperature is than low 3-5 ℃ of minimum holding temperature in step c).
Above-mentioned setting, the applicant finds through repetition test, research, in insulating process, its temperature can be eliminated the internal stress of epidermis than low 3-5 ℃ of the minimum holding temperature in step c) the time, and the epidermis mechanical property loss of making is minimum, good stability, not easy to crack, not yielding.
As preferably, in the step g) of described epidermis heat treatment step, greenhouse cooling in carbonizing kiln to 130-140 ℃, is incubated 0.5 hour, and then naturally is cooled to≤90 ℃.
Above-mentioned setting, the applicant is cooled to 130-140 ℃, then is incubated 0.5 hour through repetition test, research discovery, and the charing epidermis mechanical property loss of making is minimum, and good stability is not easy to crack, not yielding.
A kind of manufacture method of wood composite floor heating floorboard of superficial charring comprises the following steps:
(1) epidermis and base material making step; Utilize as required blank to make epidermis and base material, wherein said epidermis is fast growing wood, and thickness is 1.2-6.2mm, and described base material is fast growing wood; Described epidermis width stability ε table, described base material width stability ε base, wherein, described epidermis width stability ε table scope is: 99.875% ε base≤ε table≤100.632% ε base;
(2) epidermis heat treatment step;
A) epidermis dry run; The epidermis that is 1.2-6.2mm with thickness is dried to moisture content 14-16%;
B) heat treatment process for the first time; Dried epidermis is put into hot press, and the hot press temperature is 140-160 ℃, and pressure is controlled at 0.6-1.5MPa, press time 15-30 minute;
C) heat treatment process for the second time; The hot press temperature is risen to 180-210 ℃, and pressure is controlled at 0.6-1.5MPa, press time 30-60 minute;
D) cooling; Skin temperature after heat treatment is down to≤and 100 ℃, take out;
(3) base material heat treatment step; Base material is carried out drying process, adjust the base material moisture content to 12-16%, insert in carbonizing kiln and heat-treat, first speed with 40-60 ℃/hour is warming up to 120-130 ℃, is incubated 1-3 hour, completes heat treatment for the first time; Be warming up to 160-210 ℃ with the speed of 40-60 ℃/hour again, be incubated 1-3 hour, complete heat treatment for the second time, then get damp again to base material moisture content 5-12%, the charing kiln temperature is down to 30-60 ℃, kiln discharge;
(4) glue together the step of colding pressing;
(5) machining steps.
in the time of selection material, epidermis is hardwood, and base material is fast growing wood, make epidermis and base material satisfy: 99.875% ε base≤ε shows≤100.632% ε, to obtain thermal effectiveness preferably, after being convenient to epidermis and base material heat treatment, bonding is fixed into one, can not come unstuck, the tile phenomenon, the epidermis that is 1.2-6.2mm with thickness is dried to moisture content 20-30%, spended time significantly reduces, needed cost decrease, in the epidermis carbonization process, be divided into temperature-rise period twice, make the epidermis of making through said method, its spended time is few, thermal effectiveness is good, the mechanical property loss is minimum, good stability, not easy to crack, not yielding, same, with epidermis with after the base material after Overheating Treatment is bonded to one, both are in conjunction with more firm, good stability, long service life, epidermis and in use be not easy to occur coming unstuck and the tile phenomenon.Described epidermis width stability ε table comprises the heat-resisting dimensional stability of epidermis and epidermis moisture-proof dimensional stability, described base material width stability ε base comprises the heat-resisting dimensional stability of base material and base material moisture-proof dimensional stability, that is to say, the 99.875% heat-resisting dimensional stability of the heat-resisting dimensional stability≤epidermis of base material≤100.632% heat-resisting dimensional stability of base material, 99.875% base material moisture-proof dimensional stability≤epidermis moisture-proof dimensional stability≤100.632% base material moisture-proof dimensional stability.
As preferably, in described base material heat treatment step, the described heat treatment of heat treatment for the first time and be provided with for the second time insulation humidification step between heat treatment, wet-bulb temperature to 100 ℃ was 115-117 ℃ of insulation 1-1.5 hour.
Above-mentioned setting, the applicant is through repetition test, research discovery, and in insulating process, its 115-117 ℃ is incubated 1-1.5 hour, can eliminate the internal stress of epidermis, and the epidermis mechanical property loss of making is minimum, and good stability is not easy to crack, not yielding.
Beneficial effect of the present invention is:
Manufacturing speed is fast, efficient is high, less energy consumption, and energy-conserving and environment-protective, the solid wooden compound floor of making, good stability, long service life, epidermis in use is not easy to occur coming unstuck and the tile phenomenon.
Description of drawings
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of carbonized wood solid wooden compound floor of the present invention.
The specific embodiment
The following stated is only preferred embodiment of the present invention, is not that scope of the present invention is limited.
Embodiment 1, see accompanying drawing 1, a kind of wood composite floor heating floorboard of superficial charring comprises epidermis 1, base material 2, and described epidermis 1 and described base material 2 are bonded to one by glue, glue is formaldehyde-free glue, form thickness 0.1-0.2mm glue layer, described epidermis 1 is made by fast growing wood or hardwood, and described base material 2 is made by fast growing wood, described epidermis 1 thickness is 1.2-6.2mm, and hardwood is oak, Manchurian ash, teak, elm etc.; Fast growing wood is willow, willow, eucalyptus, Southern Pine, pinus sylvestris var. mongolica and pesudotsuga taxifolia etc.
A kind of manufacture method of wood composite floor heating floorboard of superficial charring comprises the following steps:
(1) epidermis and base material making step; Utilize as required blank to make epidermis 1 and base material 2, epidermis 1 thickness is 1.2-6.2mm, base material 2 thickness 10-20mm; Described epidermis 1 width stability ε table, described base material 2 width stability ε bases, wherein, described epidermis width stability ε table scope is: 99.875% ε base≤ε table≤100.632% ε base; Described epidermis width stability ε table comprises the heat-resisting dimensional stability of epidermis and epidermis moisture-proof dimensional stability, described base material width stability ε base comprises the heat-resisting dimensional stability of base material and base material moisture-proof dimensional stability, that is to say, the 99.875% heat-resisting dimensional stability of the heat-resisting dimensional stability≤epidermis of base material≤100.632% heat-resisting dimensional stability of base material, 99.875% base material moisture-proof dimensional stability≤epidermis moisture-proof dimensional stability≤100.632% base material moisture-proof dimensional stability.
(2) epidermis heat treatment step;
a) epidermis dry run, the epidermis that is 1.2-6.2mm with thickness is dried to moisture content 20-30%, wherein, take moisture content 25-28% as good, moisture content is too low and too high, can directly affect the carbonization process that carries out below, after causing charing, epidermis easily ftractures, and, epidermis is in dry run, moisture content begins to descend very fast, and drop to 20% following the time when moisture content, the moisture content suppression ratio is more difficult, the time of cost is long, cost compare is high, now a lot of epidermises require moisture content to want 10% left and right, just can heat-treat, spended time is very long, epidermis of the present invention, adopt moisture content 20-30%, spended time significantly reduces, the cost decrease, and, thermal effectiveness is very good,
B) be rapidly heated the stage for the first time; Dried epidermis is put into carbonizing kiln, be warming up to 120-130 ℃ with the speed of 40-60 ℃/hour, better, be warming up in 120-130 ℃ of ℃ process with the speed of 40-60 ℃/hour, it is divided into equal heating step of three heating up times: at first heat up with 55-60 ℃/h, secondly heat up with 40-50 ℃/h, heat up with 50-55 ℃/h at last, to reduce stress;
C) holding stage for the first time; 120-130 ℃ of insulation 0.5-1 hour;
D) humidification holding stage; Completing steps c) after, open steam valve, humidification rising humidity, make that wet-bulb temperature to 〉=100 ℃, be incubated 1-1.5 hour in carbonizing kiln, in being incubated 1-1.5 hour process, its temperature is than low 3-5 ℃ of minimum holding temperature in step c), and insulation is 1-1.5 hour under 115-117 ℃; Can well eliminate the internal stress of epidermis, keep the planeness of epidermis, make it remain smooth in carbonization process, avoid unbalanced stress and distortion;
E) be rapidly heated the stage for the second time; After completing the humidification holding stage, be rapidly heated the stage for the second time, epidermis is carried out heat treatment for the second time, be warming up to 180-230 ℃ with the speed of 40-60 ℃/hour, be incubated 1-1.5 hour;
F) holding stage for the second time; 180-230 ℃ of insulation 1-1.5 hour;
G) the fast cooling stage; By pass into the mode of recirculated cooling water in coil pipe, greenhouse cooling in carbonizing kiln to 130-140 ℃, is incubated 0.5 hour, and then naturally is cooled to≤90 ℃.
The cooling of employing cooling coil, effective, than the mode by spray cooling, it does not have water and coat connection to touch, and can the stability of epidermis not caused, and the epidermis of making is not easy to crack, and is not yielding;
(3) base material heat treatment step; Base material is carried out drying process, adjust the base material moisture content to 12-16%, insert in carbonizing kiln and heat-treat, first speed with 40-60 ℃/hour is warming up to 120-130 ℃, is incubated 1-3 hour; Be warming up to 160-210 ℃ with the speed of 40-60 ℃/hour again, be incubated 1-3 hour, then get damp again to base material moisture content 5-12%, the charing kiln temperature is down to 30-60 ℃, kiln discharge;
(4) glue together the step of colding pressing;
With the epidermis after charing and the staggered stack of base material, be placed in health in environmental simulation house, the time is 2-6 days;
Adopt cold-pressing gluing that epidermis and base material are pressed into the base material, gauge pressure is: 20-40MPa, time 30-60min.
(5) machining steps is cut the base material as required.
Embodiment 2, a kind of wood composite floor heating floorboard of superficial charring comprises epidermis 1, base material 2, and described epidermis 1 and described base material 2 are bonded to one by glue, described epidermis 1 and base material 2 are made by fast growing wood, and fast growing wood is willow, willow, eucalyptus, Southern Pine, pinus sylvestris var. mongolica and pesudotsuga taxifolia etc.
A kind of manufacture method of wood composite floor heating floorboard of superficial charring comprises the following steps:
(1) epidermis and base material making step; Utilize as required blank to make epidermis and base material, wherein said epidermis is fast growing wood, and thickness is 1.2-6.2mm, and described base material is fast growing wood; Described epidermis width stability ε table, described base material width stability ε base, wherein, described epidermis width stability ε table scope is: 99.875% ε base≤ε table≤100.632% ε base;
(2) epidermis heat treatment step;
A) epidermis dry run; The epidermis that is 1.2-6.2mm with thickness is dried to moisture content 14-16%;
B) heat treatment process for the first time; Dried epidermis is put into hot press, and the hot press temperature is 140-160 ℃, and pressure is controlled at 0.6-1.5MPa, press time 15-30 minute;
C) heat treatment process for the second time; The hot press temperature is risen to 180-210 ℃, and pressure is controlled at 0.6-1.5MPa, press time 30-60 minute;
D) cooling; Skin temperature after heat treatment is down to≤and 100 ℃, take out;
(3) base material heat treatment step; Base material is carried out drying process, adjust the base material moisture content to 12-16%, insert in carbonizing kiln and heat-treat, first speed with 40-60 ℃/hour is warming up to 120-130 ℃, is incubated 1-3 hour, completes heat treatment for the first time; Then be incubated the humidification step, open steam valve, humidification rising humidity makes the interior wet-bulb temperature of carbonizing kiln to 〉=100 ℃, 115-117 ℃ of insulation 1-1.5 hour, to eliminate the epidermis internal stress;
Be warming up to 160-210 ℃ with the speed of 40-60 ℃/hour again, be incubated 1-3 hour, complete heat treatment for the second time, then get damp again to base material moisture content 5-12%, the charing kiln temperature is down to 30-60 ℃, kiln discharge;
(4) glue together the step of colding pressing;
With the epidermis after charing and the staggered stack of base material, be placed in health in environmental simulation house, the time is 2-6 days;
Adopt cold-pressing gluing that epidermis and base material are pressed into the base material, gauge pressure is: 20-40MPa, time 30-60min.
(5) machining steps is cut the base material as required.
Above explanation is only the explanation to invention, make the complete enforcement this programme of those of ordinary skills' energy, but be not the restriction to invention, those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this manual, these are all not creative modifications.But as long as all be subject to the protection of Patent Law in the claim scope of invention.

Claims (3)

1. the wood composite floor heating floorboard of a superficial charring, it is characterized in that: comprise epidermis, base material, described epidermis and described base material are bonded to one by glue.
2. the wood composite floor heating floorboard of a kind of superficial charring according to claim 1, it is characterized in that: described epidermis is made by fast growing wood or hardwood, and described base material is made by fast growing wood.
3. the wood composite floor heating floorboard of a kind of superficial charring according to claim 1, it is characterized in that: described epidermal thickness is 1.2-6.2mm.
CN 201220647812 2012-11-30 2012-11-30 Solid wood composited heated floor with carbonized surface Expired - Fee Related CN202969850U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102966230A (en) * 2012-11-30 2013-03-13 浙江世友木业有限公司 Solid wood composite geothermal floor with carbonized surface and manufacturing method of solid wood composite geothermal floor
CN106313249A (en) * 2016-09-22 2017-01-11 安徽三和工艺品有限公司 Deep carbonation method for thick and heavy wood plate
CN107379200A (en) * 2017-09-03 2017-11-24 周奉捷 The manufacture method of wood composite floor heating floorboard

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102966230A (en) * 2012-11-30 2013-03-13 浙江世友木业有限公司 Solid wood composite geothermal floor with carbonized surface and manufacturing method of solid wood composite geothermal floor
CN102966230B (en) * 2012-11-30 2015-09-02 浙江世友木业有限公司 A kind of wood composite floor heating floorboard of superficial charring and manufacture method
CN106313249A (en) * 2016-09-22 2017-01-11 安徽三和工艺品有限公司 Deep carbonation method for thick and heavy wood plate
CN107379200A (en) * 2017-09-03 2017-11-24 周奉捷 The manufacture method of wood composite floor heating floorboard

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