CN105729606A - Heat treatment method for decoration panel - Google Patents
Heat treatment method for decoration panel Download PDFInfo
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- CN105729606A CN105729606A CN201410767715.XA CN201410767715A CN105729606A CN 105729606 A CN105729606 A CN 105729606A CN 201410767715 A CN201410767715 A CN 201410767715A CN 105729606 A CN105729606 A CN 105729606A
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Abstract
The invention discloses a heat treatment method for a decoration panel. The heat treatment method comprises the steps of drying, rapid heating, heat insulation, humidification and heat insulation, secondary rapid heating, rapid cooling and the like. The heat treatment method has the following beneficial effects: the decoration panel with a thickness of 4-5mm is selected and dried to a water content of 20% to 28%, then placed in a carbonization kiln and carbonized, and during the carbonization process, the heating is carried out two times, and during the two-time heating process, the heat insulation phase is further provided, and finally the rapid cooling and drawing are carried out; and the water content of the decoration panel is controlled to be between 25% and 28%, thus the stability of the decoration panel after being carbonized is ensured; and in combination with the steps of two-time heating and heat insulation, the decoration panel produced through the abovementioned method takes less time, has a heat treatment effect, the lowest mechanical property loss and high stability, and is not liable to crack and deform.
Description
Technical field
The present invention relates to timber improving technology field, be specifically related to a kind of heat treatment method decorating panel.
Background technology
The decoration panel of usual solid wood furniture incrustation is not past heat treatment, the moisture content making decoration panel is high, it is easy to the impact being subject to ambient temperature and humidity change causes that tile deforms, the even cracking that tile deformation is big, cause furniture item to deform, be substantially reduced product quality.
Along with a large amount of minimizings of the hard broadleaf forest reserves, the rise in price of timber, therefore, a lot of enterprises all start to make sheet material with cheap fast growing wood for raw material, substitute hard broad-leaved wood.But fast growing wood fast growth, material-structure changes greatly, it is easy to deformation, quality compared with hard broad-leaved wood, and cannot be susceptible to go mouldy, affect the decoration of furniture surface, greatly reduce quality and the serviceability of sheet material.Therefore, sheet material is carried out functionality improvement, drops bottom plate moisture content, reduce humiture change on the impact of sheet material flatness, improve board dimension stability, extend sheet material and be particularly important service life.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art part, it is provided that a kind of heat treatment method decorating panel, its production efficiency is high, thermal effectiveness is good, excellent in stability, it is possible to make the mechanical property loss in carbonization process of the decoration panel minimum, not easy to crack and deformation.
The heat treatment method of decoration panel, comprises the following steps:
(1) dry: by the decoration panel that sheet fabrication thickness is 4-5mm, to be dried to moisture content 20-28%；
(2) it is rapidly heated: dried decoration panel is put into carbonizing kiln, is warming up to 110-125 DEG C with the speed of 50-60 DEG C/h；
(3) insulation: be incubated 0.5-1 hour at 110-125 DEG C；
(4) humidification insulation: humidifying and raise humidity, wet bulb temperature, to 100 DEG C, temperature 105-120 DEG C, is incubated 1-1.5 hour；
(5) again it is rapidly heated: be warming up to 180-210 DEG C with the speed of 40-50 DEG C/h；
(6) insulation again: be incubated 1-1.5 hour at 180-210 DEG C；
(7) fast cooling: by greenhouse cooling in carbonizing kiln to 130-140 DEG C, is incubated 0.5 hour, is then naturally cooling within 40 DEG C, last kiln discharge again.
Preferred: wherein the rapid heating condition described in step (2) is divided into three heating-up time equal heating steps: first to heat up with 55 DEG C/h, secondly heat up with 50 DEG C/h, finally heat up with 60 DEG C/h.
Preferred: wherein the fast cooling described in step (7) is the mode by passing into recirculated cooling water in coil pipe, by greenhouse cooling in carbonizing kiln to 130-140 DEG C.
The invention has the beneficial effects as follows: it is 20-28% that the decoration panel selecting thickness to be 4-5mm is dried to moisture content, is then placed in carbonizing kiln and carries out carbonization, in carbonization process, it is divided into twice intensification, in twice temperature-rise period, it is provided with again holding stage, last fast cooling, kiln discharge；Control the moisture content of decoration panel between 25-28%, ensure that the stability after decoration panel carbonization, moisture content coordinates twice intensification and incubation step, make the decoration panel made through said method, spended time is few, and thermal effectiveness is good, and mechanical property loss is minimum, good stability, not easy to crack and deformation.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment one:
The heat treatment method of decoration panel, comprises the following steps:
(1) dry: the decoration panel that sheet fabrication becomes thickness be 4-5mm, it is dried to moisture content 20-28%, moisture content is too low or too high, carbonization process can be directly affected, decorate panel after causing carbonization easily to ftracture, in dry run, moisture content begins to decline quickly, and when moisture content drops to below 20% time, decline relatively difficult, the time of cost is long, cost is higher, a lot of decoration panels require that moisture content wants about 10% now, just can carry out heat treatment, spended time is very long, the present invention decorates panel moisture content and carries out heat treatment between 20-28%, spended time reduces, cost is greatly lowered, and, thermal effectiveness is good；
(2) it is rapidly heated: dried decoration panel is put into carbonizing kiln, it is warming up to 110-125 DEG C with the speed of 50-60 DEG C/h, preferably mode is: rapid heating condition is divided into three heating-up time equal heating steps: first heat up with 55 DEG C/h, secondly heat up with 50 DEG C/h, finally heat up with 60 DEG C/h；
(3) insulation: be incubated 0.5-1 hour at 110-125 DEG C；
(4) humidification insulation: open steam valve, humidify and raise humidity, wet bulb temperature in carbonizing kiln is made to 100 DEG C, to be then incubated 1-1.5 hour, in insulating process, the temperature of its insulation is 105-107 DEG C, relatively the minimum holding temperature 110 DEG C in above-mentioned steps (3) is low 3-5 DEG C, it is possible to well eliminates thin plate internal stress, keeps the flatness of thin plate, it is made to remain smooth in carbonization process, it is to avoid unbalanced stress and deformation；
(5) again it is rapidly heated: be warming up to 180-210 DEG C with the speed of 40-50 DEG C/h；
(6) insulation again: be incubated 1-1.5 hour at 180-210 DEG C；
(7) fast cooling: by passing into the mode of recirculated cooling water in coil pipe, by greenhouse cooling in carbonizing kiln to 130-140 DEG C, is incubated 0.5 hour, is then naturally cooling in 40 DEG C, last kiln discharge again.
Embodiment two:
The heat treatment method of decoration panel, comprises the following steps:
(1) dry: the decoration panel that sheet fabrication becomes thickness be 4-5mm, it is dried to moisture content 25-28%；Moisture content is too low or too high, carbonization process can be directly affected, decorate panel after causing carbonization easily to ftracture, in dry run, moisture content begins to decline quickly, when moisture content drops to below 20% time, declining relatively difficult, the time length of cost, cost are higher, a lot of decoration panels require that moisture content wants about 10% now, just carrying out heat treatment, spended time is very long, and the present invention decorates panel moisture content and carries out heat treatment between 20-28%, spended time reduces, cost is greatly lowered, and, thermal effectiveness is good；
(2) it is rapidly heated: dried decoration panel is put into carbonizing kiln, is warming up to 120-125 DEG C with the speed of 55-60 DEG C/h；
(3) insulation: be incubated 0.5-1 hour at 120-125 DEG C；
(4) humidification insulation: open steam valve, humidify and raise humidity, wet bulb temperature in carbonizing kiln is made to 100 DEG C, to be then incubated 1-1.5 hour, in insulating process, the temperature of its insulation is 115-117 DEG C, relatively in above-mentioned steps (3), minimum holding temperature 120 DEG C is low 3-5 DEG C, it is possible to well eliminates thin plate internal stress, keeps the flatness of thin plate, it is made to remain smooth in carbonization process, it is to avoid unbalanced stress and deformation；
(5) again it is rapidly heated: be warming up to 200-210 DEG C with the speed of 45-50 DEG C/h；
(6) insulation again: be incubated 1-1.5 hour at 200-210 DEG C；
(7) fast cooling: by passing into the mode of recirculated cooling water in coil pipe, by greenhouse cooling in carbonizing kiln to 130-140 DEG C, is incubated 0.5 hour, is then naturally cooling in 40 DEG C, last kiln discharge again.
The foregoing is only the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment, and every technical scheme belonging to the principle of the invention belongs to protection scope of the present invention.For a person skilled in the art, the some improvement carried out under the premise without departing from principles of the invention, these improvement also should be regarded as protection scope of the present invention.
Claims (3)
1. decorate the heat treatment method of panel, it is characterised in that comprise the following steps:
(1) dry: by the decoration panel that sheet fabrication thickness is 4-5mm, being dried to moisture content is 20-28%；
(2) it is rapidly heated: dried decoration panel is put into carbonizing kiln, is warming up to 110-125 DEG C with the speed of 50-60 DEG C/h；
(3) insulation: temperature 110-125 DEG C is incubated 0.5-1 hour；
(4) humidification insulation: humidifying and raise humidity, wet bulb temperature, to 100 DEG C, temperature 105-120 DEG C, is incubated 1-1.5 hour；
(5) again it is rapidly heated: be warming up to 180-210 DEG C with the speed of 40-50 DEG C/h；
(6) insulation again: be incubated 1-1.5 hour at 180-210 DEG C；
(7) fast cooling: by greenhouse cooling in carbonizing kiln to 130-140 DEG C, is incubated 0.5 hour, is then naturally cooling in 40 DEG C, last kiln discharge again.
2. the heat treatment method of decoration panel according to claim 1, it is characterized in that: the rapid heating condition described in step (2) is divided into three heating-up time equal heating steps: first heat up with 55 DEG C/h, secondly heat up with 50 DEG C/h, finally heat up with 60 DEG C/h.
3. the heat treatment method of decoration panel according to claim 1, it is characterised in that: the fast cooling described in step (7) is the mode by passing into recirculated cooling water in coil pipe, by greenhouse cooling in carbonizing kiln to 130-140 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767715.XA CN105729606A (en) | 2014-12-12 | 2014-12-12 | Heat treatment method for decoration panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410767715.XA CN105729606A (en) | 2014-12-12 | 2014-12-12 | Heat treatment method for decoration panel |
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| CN105729606A true CN105729606A (en) | 2016-07-06 |
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| CN201410767715.XA Pending CN105729606A (en) | 2014-12-12 | 2014-12-12 | Heat treatment method for decoration panel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042126A (en) * | 2016-07-22 | 2016-10-26 | 阜南县永盛工艺品有限公司 | Rapid and direct board deep carbonization process |
| CN106217532A (en) * | 2016-07-29 | 2016-12-14 | 安徽昌发实业有限公司 | A kind of Wood heat treatment method |
| CN106313250A (en) * | 2016-10-18 | 2017-01-11 | 南京林业大学 | Method for medium-high-temperature mild carbonization and thermal modification of broad-leaved wood for solid wood product |
| CN107379200A (en) * | 2017-09-03 | 2017-11-24 | 周奉捷 | The manufacture method of wood composite floor heating floorboard |
| CN107962907A (en) * | 2017-11-28 | 2018-04-27 | 广西平果蓝邑网络技术有限公司 | A kind of preparation method of decoration panel |
-
2014
- 2014-12-12 CN CN201410767715.XA patent/CN105729606A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042126A (en) * | 2016-07-22 | 2016-10-26 | 阜南县永盛工艺品有限公司 | Rapid and direct board deep carbonization process |
| CN106217532A (en) * | 2016-07-29 | 2016-12-14 | 安徽昌发实业有限公司 | A kind of Wood heat treatment method |
| CN106313250A (en) * | 2016-10-18 | 2017-01-11 | 南京林业大学 | Method for medium-high-temperature mild carbonization and thermal modification of broad-leaved wood for solid wood product |
| CN107379200A (en) * | 2017-09-03 | 2017-11-24 | 周奉捷 | The manufacture method of wood composite floor heating floorboard |
| CN107962907A (en) * | 2017-11-28 | 2018-04-27 | 广西平果蓝邑网络技术有限公司 | A kind of preparation method of decoration panel |
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Application publication date: 20160706 |
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