CN105403001A - Wood drying method - Google Patents

Wood drying method Download PDF

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CN105403001A
CN105403001A CN 201510800116 CN201510800116A CN105403001A CN 105403001 A CN105403001 A CN 105403001A CN 201510800116 CN201510800116 CN 201510800116 CN 201510800116 A CN201510800116 A CN 201510800116A CN 105403001 A CN105403001 A CN 105403001A
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wood
drying
ambient temperature
moisture content
temperature
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CN 201510800116
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CN105403001B (en )
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王仕洲
王浩然
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广德县常丰竹木业制品有限公司
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Abstract

The invention discloses a wood drying method, and relates to the technical field of wood processing. The method comprises the following steps of stacking, preheating, vacuumizing, drying, final processing, temperature reduction, and cooling. By means of the drying method, the moisture content of wood is controlled within 8-11%, the moisture content homogeneity of the wood is good, and the wood drying period is shortened; the wood is good in quality, has only a few defects and is low in loss ratio after being dried, and the multipurpose utilization rate of the wood is improved. The wood drying method is suitable for the production of furniture and other wood products, and the probability of quality problems of deforming, cracking and the like arisen in the product manufacturing process is reduced, so that the production quality of the wood furniture is improved.

Description

一种木材干燥方法 The wood drying method

技术领域 FIELD

[0001] 本发明涉及木材加工工艺技术领域,具体涉及一种木材干燥方法。 [0001] The present invention relates to wood processing technology, and in particular relates to a method of drying wood.

背景技术 Background technique

[0002] 随着社会的进步,人们崇尚自然,回归大自然的心情日益迫切,使木质产品在市场上倍受喜爱;另一方面,当今世界正面临着森林资源日益减少所带来的环保和生态问题。 [0002] With the progress of society, people respect for nature, return to nature feel increasingly urgent, much like the wood products on the market; on the other hand, the world is facing dwindling forest resources and environmental protection brought ecological problems. 因此,如何合理有效地利用有限的木材资源显得更为重要。 So, how rational and effective use of limited timber resources is even more important. 根据我国目前资源状况,今后在相当长的一段时间内,我国林产工业产品开发的原料将以5〜10年生短轮伐期的速生小径材为主。 According to China's current resource situation, the future for a long period of time, China's forestry industry product development, raw materials will be 5 to 10 years old short-rotation wood-based fast-growing trails. 小径材经过合理的干燥与加工,既可以直接制作成椅、凳、床、沙发等支撑性家具,又可以充分发挥、巧妙利用小径材的某些特性,如弯曲度、尖削度、几何断面等直接旋制成实木家具的零部件。 Diameter timber after a reasonable drying and processing, can be made either directly into the chairs, stools, beds, sofas and other furniture, supporting, and can give full play, clever use of certain characteristics of the small-diameter material, such as curvature, degree of taper, cross-sectional geometry and other direct spin components made of solid wood furniture.

[0003] 木材干燥是木材加工过程中的一项十分重要的工序,是保障和改善木材品质的重要环节。 [0003] wood drying wood processing is a very important step, it is to protect and improve the quality of an important part of the wood. 通过干燥处理,能够防止木材的变形开裂、减少木材降等损失,改善物理性能、提高木材利用率、防止木材腐朽虫蛀、保障生物防疫等。 By drying process, deformation can be prevented cracking of wood, wood downgraded to reduce losses, improve the physical properties, improve timber utilization, preventing wood decay insect, biological protection and prevention of diseases. 而目前由于没有针对小径木的有效干燥手段而严重限制了小径木的广泛应用。 At present, due to the effective means of drying wood trail is not for the severely limits the widespread use of small-diameter wood. 公知的针对小径原木的干燥处理方法多是通过常规干燥设备及工艺进行的,其带来的主要问题是不但小径原木的干燥周期长,而且干燥缺陷严重,如干燥过程中易产生严重变形和径裂,特别是对于硬杂小径原木干燥困难、成品率低,小径原木的干燥质量直接影响着由小径木加工的产品的尺寸稳定性。 Drying processing method for small diameter logs known mostly performed by conventional drying equipment and technology, the main problem which caused the only small-diameter logs drying cycle is long, and severe drying defects, such as the drying process is easy to produce severe deformation and diameter crack, especially for small-diameter hard wood drying heteroaryl difficult, yield is low, small-diameter logs dry mass directly affects the dimensional stability of wood products processed by the small diameter.

发明内容 SUMMARY

[0004] 针对现有技术的不足,本发明提供了一种干燥时间相对缩短的木材干燥方法,干燥后的木材的品质好,缺陷少,提高了木材资源利用率。 [0004] for the deficiencies of the prior art, the present invention provides a relatively shorter drying time of the wood drying method, good quality wood after drying, fewer defects, to improve the utilization of wood resources.

[0005] 为实现以上目的,本发明通过以下技术方案予以实现: [0005] To achieve the above object, the present invention is realized by the following technical solutions:

[0006] 一种木材干燥方法,包括以下步骤: [0006] A method for drying wood, comprising the steps of:

[0007] 1)、码垛:将木材锯成木板或者木方,选择相同尺寸规格的堆垛好,并放置于木材干燥室内; [0007] 1), palletizing: sawn wood or wooden planks, a good choice of stacking the same sizes, and placed in a timber drying chamber;

[0008] 2)、预热:以每小时4-5°C的升温速度对木材干燥室内的环境温度加热升温至45-55,同时调节环境湿度至18-20%,保持一定时间; [0008] 2), preheating: at a heating rate of 4-5 ° C per hour to ambient temperature wood drying room heating to 45-55, while adjusting the humidity to 18-20%, to maintain a certain time;

[0009] 3)、真空:抽真空,将绝对压力控制在0.1-0.0lMpa,温度大于或等于85°C,时间为0.5h-lh ; [0009] 3), vacuum: vacuum, absolute pressure control in 0.1-0.0lMpa, a temperature greater than or equal to 85 ° C, time of 0.5h-lh;

[0010] 4)、干燥:以每小时3-4°C的升温速度,在85-150°C区间对方垛进行阶梯式加热; [0010] 4) and dried: temperature rising rate of 3-4 ° C per hour, the heating step performed in the other stack interval 85-150 ° C;

[0011] 5)、终了处理:监测当干燥木材含水率降到离终含水率2%时,停止干燥,恢复常压,调节木材整体干燥室内的环境温度和环境湿度,使环境温度升至60°C,环境湿度升至10%,并保持该环境温度和环境湿度条件; [0011] 5), the end of processing: monitoring down when dry wood moisture content from 2% final moisture content, drying is stopped, to restore a normal pressure, ambient temperature and ambient humidity adjusting the overall wood drying room, the environmental temperature was raised to 60 ° C, 10% humidity was raised to and held at that temperature and humidity conditions;

[0012] 6)、降温处理:终了处理后,调节木材整体干燥室内的环境温度,使环境温度降至50°C,环境湿度保持为10%,并保持该环境温度和环境湿度条件; [0012] 6), the temperature lowering process: After the completion of treatment, the wood drying chamber to adjust the overall ambient temperature, ambient temperature to 50 ° C, 10% humidity environment, and maintain the ambient temperature and ambient humidity conditions;

[0013] 7)、冷却:监测当木材含水率达到要求的终含水率时,结束步骤6),使木材自然冷却至普通室温后从木材干燥处理室内移出。 [0013] 7), cooling: when monitoring the moisture content of wood to achieve the required final moisture content, the end of step 6), the wood naturally cooled to room temperature, after ordinary drying chamber is removed from the timber.

[0014] 优选地,所述步骤1)是在同一树种的木板或木方中挑选同种尺寸规格的木板或者木方。 [0014] Preferably, said step 1) is selected sizes of the same kind of wood or a wooden board or in the same species of wood prescription.

[0015] 优选地,所述步骤2)中保持时间(h)与木板直径(cm)之比为1〜2h:1cm,但保持时间不超过50h。 [0015] Preferably, the step of holding time (h) and the wood than the diameter (cm) of the 1~2h 2) in: 1cm, but the holding time is not more than 50h.

[0016] 优选地,所述步骤5)中终含水率为8 %。 [0016] Preferably, said step 5) a final water content of 8%.

[0017] 优选地,所述步骤5)中终了处理保持时间为12_15h。 [0017] Preferably, the step 5), the end of the processing time is kept 12_15h.

[0018] 有益效果:本发明提供了一种木材干燥方法,采用本发明干燥方法,使得板材的含水率控制在8-11 %,同一批处理的木材终含水率差值在3%范围内,木材含水率均匀性好,且木材干燥周期缩短,干燥后的木材的品质好,很大程度上避免木材皱缩开裂等缺陷的产生,提高了木材综合利用率。 [0018] Advantageous Effects: The present invention provides a wood drying method, a drying process of the present invention, so that the moisture content of the sheet is controlled to 8-11%, in the same batch of wood final moisture content in the range of 3% difference, wood moisture content uniformity, and wood drying cycles, good quality wood after drying, largely to avoid shrinkage cracking and other defects of wood, improve the comprehensive utilization of wood. 本发明适用于家具等木材产品的生产,降低产品制作中出现变形开裂等质量问题的概率,以提高木材家具的产品质量。 The present invention is applicable to the production of furniture and other wood products, reducing the probability of crack deformation and other quality problems in the production of products, to improve product quality wood furniture.

具体实施方式 detailed description

[0019] 为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。 [0019] In order that the invention object of the embodiment, the technical solution and merits thereof more clearly, the following embodiments of the invention, technical solutions of embodiments of the present invention are clearly and completely described, obviously, the described embodiments are part of the embodiments of the present invention rather than all embodiments. 基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, those of ordinary skill in the art to make all other embodiments without creative work obtained by, it falls within the scope of the present invention.

[0020] 实施例1: [0020] Example 1:

[0021] 速生杨树,全国适宜栽培,特别适宜我国西北、华北、东北地区种植。 [0021] poplar tree, the country suitable for cultivation, especially suitable northwest, north, northeast China planting. 直径20cm的速生杨树在干燥室内的干燥方法包括以下步骤: Poplar tree 20cm diameter drying chamber drying method comprising the steps of:

[0022] 1)、码垛:将木材锯成木板或者木方,选择相同尺寸规格的堆垛好,并放置于木材干燥室内; [0022] 1), palletizing: sawn wood or wooden planks, a good choice of stacking the same sizes, and placed in a timber drying chamber;

[0023] 2)、预热:以每小时4-5°C的升温速度对木材干燥室内的环境温度加热升温至45-55,同时调节环境湿度至18-20%,保持20_40h ; [0023] 2), preheating: at a heating rate of 4-5 ° C per hour to ambient temperature wood drying room heating to 45-55, while adjusting the humidity to 18-20%, retention 20_40h;

[0024] 3)、真空:抽真空,将绝对压力控制在0.1-0.0lMpa,温度大于或等于85°C,时间为 [0024] 3), vacuum: vacuum, absolute pressure control in 0.1-0.0lMpa, a temperature greater than or equal to 85 ° C, time

0.5h-lh ; 0.5h-lh;

[0025] 4)、干燥:以每小时3-4°C的升温速度,在85_150°C区间对方垛进行阶梯式加热; [0025] 4) and dried: temperature rising rate of 3-4 ° C per hour, the heating step performed in the other pile section 85_150 ° C;

[0026] 5)、终了处理:监测当干燥木材含水率降到10%时,停止干燥,恢复常压,调节木材整体干燥室内的环境温度和环境湿度,使环境温度升至60°C,环境湿度升至10 %,并保持该环境温度和环境湿度条件12_15h ; [0026] 5), the end of processing: monitoring when dried to 10% moisture content, drying is stopped, to restore a normal pressure, ambient temperature and ambient humidity adjusting the overall wood drying room, the environmental temperature was raised to 60 ° C, the environment the humidity was raised to 10%, and maintaining the ambient temperature and humidity conditions 12_15h;

[0027] 6)、降温处理:终了处理后,调节木材整体干燥室内的环境温度,使环境温度降至50°C,环境湿度保持为10%,并保持该环境温度和环境湿度条件; [0027] 6), the temperature lowering process: After the completion of treatment, the wood drying chamber to adjust the overall ambient temperature, ambient temperature to 50 ° C, 10% humidity environment, and maintain the ambient temperature and ambient humidity conditions;

[0028] 7)、冷却:监测当木材含水率达到要求的终含水率时,结束步骤6),使木材自然冷却至普通室温后从木材干燥处理室内移出。 [0028] 7), cooling: when monitoring the moisture content of wood to achieve the required final moisture content, the end of step 6), the wood naturally cooled to room temperature, after ordinary drying chamber is removed from the timber.

[0029] 实施例2: [0029] Example 2:

[0030] 桉树,原产地主要在澳洲大陆,19世纪引种至世界各地,现有近百个国家或地区有栽培,直径20cm的桉树在干燥室内的干燥方法包括以下步骤: [0030] eucalyptus, country of origin, mainly in mainland Australia, introduction to the rest of the 19th century, the existing nearly a hundred countries in the world have cultivated, 20cm in diameter eucalyptus drying chamber drying method comprising the steps of:

[0031] 1)、码垛:将木材锯成木板或者木方,选择相同尺寸规格的堆垛好,并放置于木材干燥室内; [0031] 1), palletizing: sawn wood or wooden planks, a good choice of stacking the same sizes, and placed in a timber drying chamber;

[0032] 2)、预热:以每小时4-5°C的升温速度对木材干燥室内的环境温度加热升温至45-55,同时调节环境湿度至18-20%,保持20_40h ; [0032] 2), preheating: at a heating rate of 4-5 ° C per hour to ambient temperature wood drying room heating to 45-55, while adjusting the humidity to 18-20%, retention 20_40h;

[0033] 3)、真空:抽真空,将绝对压力控制在0.1-0.0lMpa,温度大于或等于85°C,时间为 [0033] 3), vacuum: vacuum, absolute pressure control in 0.1-0.0lMpa, a temperature greater than or equal to 85 ° C, time

0.5h-lh ; 0.5h-lh;

[0034] 4)、干燥:以每小时3-4°C的升温速度,在85_150°C区间对方垛进行阶梯式加热; [0034] 4) and dried: temperature rising rate of 3-4 ° C per hour, the heating step performed in the other pile section 85_150 ° C;

[0035] 5)、终了处理:监测当干燥木材含水率降到10%时,停止干燥,恢复常压,调节木材整体干燥室内的环境温度和环境湿度,使环境温度升至60°C,环境湿度升至10 %,并保持该环境温度和环境湿度条件12_15h ; [0035] 5), the end of processing: monitoring when dried to 10% moisture content, drying is stopped, to restore a normal pressure, ambient temperature and ambient humidity adjusting the overall wood drying room, the environmental temperature was raised to 60 ° C, the environment the humidity was raised to 10%, and maintaining the ambient temperature and humidity conditions 12_15h;

[0036] 6)、降温处理:终了处理后,调节木材整体干燥室内的环境温度,使环境温度降至50°C,环境湿度保持为10%,并保持该环境温度和环境湿度条件; [0036] 6), the temperature lowering process: After the completion of treatment, the wood drying chamber to adjust the overall ambient temperature, ambient temperature to 50 ° C, 10% humidity environment, and maintain the ambient temperature and ambient humidity conditions;

[0037] 7)、冷却:监测当木材含水率达到要求的终含水率时,结束步骤6),使木材自然冷却至普通室温后从木材干燥处理室内移出。 [0037] 7), cooling: when monitoring the moisture content of wood to achieve the required final moisture content, the end of step 6), the wood naturally cooled to room temperature, after ordinary drying chamber is removed from the timber.

[0038] 实施例3: [0038] Example 3:

[0039] 白桦树,是亚洲东部的一个广布树种,我国东北华北、河南、陕西、宁夏、甘肃、青海、四川、云南、西藏东南部等地都有种植,直径15cm的白桦树在干燥室内的干燥方法包括以下步骤: [0039] white birch, is a widespread species in eastern Asia, North northeast China, Henan, Shaanxi, Ningxia, Gansu, Qinghai, Sichuan, Yunnan, southeastern Tibet and other places have grown, 15cm diameter white birch in the drying chamber the drying method comprising the steps of:

[0040] 1)、码垛:将木材锯成木板或者木方,选择相同尺寸规格的堆垛好,并放置于木材干燥室内; [0040] 1), palletizing: sawn wood or wooden planks, a good choice of stacking the same sizes, and placed in a timber drying chamber;

[0041] 2)、预热:以每小时4-5°C的升温速度对木材干燥室内的环境温度加热升温至45-55,同时调节环境湿度至18-20%,保持15_30h ; [0041] 2), preheating: at a heating rate of 4-5 ° C per hour to ambient temperature wood drying room heating to 45-55, while adjusting the humidity to 18-20%, retention 15_30h;

[0042] 3)、真空:抽真空,将绝对压力控制在0.1-0.0lMpa,温度大于或等于85°C,时间为 [0042] 3), vacuum: vacuum, absolute pressure control in 0.1-0.0lMpa, a temperature greater than or equal to 85 ° C, time

0.5h-lh ; 0.5h-lh;

[0043] 4)、干燥:以每小时3-4°C的升温速度,在85_150°C区间对方垛进行阶梯式加热; [0043] 4) and dried: temperature rising rate of 3-4 ° C per hour, the heating step performed in the other pile section 85_150 ° C;

[0044] 5)、终了处理:监测当干燥木材含水率降到10%时,停止干燥,恢复常压,调节木材整体干燥室内的环境温度和环境湿度,使环境温度升至60°C,环境湿度升至10 %,并保持该环境温度和环境湿度条件12_15h ; [0044] 5), the end of processing: monitoring when dried to 10% moisture content, drying is stopped, to restore a normal pressure, ambient temperature and ambient humidity adjusting the overall wood drying room, the environmental temperature was raised to 60 ° C, the environment the humidity was raised to 10%, and maintaining the ambient temperature and humidity conditions 12_15h;

[0045] 6)、降温处理:终了处理后,调节木材整体干燥室内的环境温度,使环境温度降至50°C,环境湿度保持为10%,并保持该环境温度和环境湿度条件; [0045] 6), the temperature lowering process: After the completion of treatment, the wood drying chamber to adjust the overall ambient temperature, ambient temperature to 50 ° C, 10% humidity environment, and maintain the ambient temperature and ambient humidity conditions;

[0046] 7)、冷却:监测当木材含水率达到要求的终含水率时,结束步骤6),使木材自然冷却至普通室温后从木材干燥处理室内移出。 [0046] 7), cooling: when monitoring the moisture content of wood to achieve the required final moisture content, the end of step 6), the wood naturally cooled to room temperature, after ordinary drying chamber is removed from the timber.

[0047] 综上,本发明实施例中木材在干燥过程中很少出现干缩、皱塌、开裂等现象,损失率低,板材干燥后的含水率控制在8-11%,木材干燥周期缩短,干燥后的木材的品质好,提尚了木材综合利用率。 The [0047] summary, embodiments of the present invention rarely timber shrinkage during drying, wrinkle collapse and cracking phenomena, low loss, moisture content of the sheet after drying 8-11% in the control, wood drying cycles , good quality wood after drying, to mention yet a comprehensive utilization of wood. 本发明适用于家具等木材广品的生广,提尚木材家具的广品质量。 The present invention is applicable to a wide furniture and other wood products raw wide wood furniture is still mention the wide product quality.

[0048] 需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。 [0048] Incidentally, herein, relational terms such as first and second and the like are only used to distinguish one entity or operation from another entity or action without necessarily requiring or implying these entities the presence of any such actual relationship or order between or operations. 而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。 Further, the term "comprising", "containing" or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, article, or apparatus not include only those elements but not expressly listed further comprising the other elements, or further comprising such process, method, article, or apparatus inherent elements. 在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。 Without more constraints, by the wording "include a ......" defined does not exclude the existence of additional identical elements in the element comprising a process, method, article, or apparatus.

[0049] 以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。 [0049] The above embodiments are intended to illustrate the present invention, rather than limiting;. Although the present invention has been described in detail embodiments, those of ordinary skill in the art should be understood: each of the foregoing which still the technical solutions described in the embodiments may be modified, or some technical features equivalents; as such modifications or replacements do not cause the essence of corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (5)

  1. 1.一种木材干燥方法,其特征在于,所述方法包括以下步骤: 1)、码垛:将木材锯成木板或者木方,选择相同尺寸规格的堆垛好,并放置于木材干燥室内; 2)、预热:以每小时4-5°C的升温速度对木材干燥室内的环境温度加热升温至45-55,同时调节环境湿度至18-20%,保持一定时间; 3 )、真空:抽真空,将绝对压力控制在0.1 -0.01 Mp a,温度大于或等于8 5 °C,时间为0.5h-lh ; 4)、干燥:以每小时3-4°C的升温速度,在85-150°C区间对方垛进行阶梯式加热; 5)、终了处理:监测当干燥木材含水率降到离终含水率2%时,停止干燥,恢复常压,调节木材整体干燥室内的环境温度和环境湿度,使环境温度升至60 V,环境湿度升至10 %,并保持该环境温度和环境湿度条件; 6)、降温处理:终了处理后,调节木材整体干燥室内的环境温度,使环境温度降至50°C,环境湿度保持为10%,并保 CLAIMS 1. A method of drying wood, characterized in that the method comprises the following steps: 1), palletizing: sawn wood or wooden board, a good choice for the same sizes of the stack, and placed in a wood drying room; 2), preheating: at a heating rate of 4-5 ° C per hour to ambient temperature wood drying room heating to 45-55, while adjusting the humidity to 18-20%, retention time constant; 3), vacuum: vacuum, the absolute pressure is controlled at 0.1 -0.01 Mp a, temperature greater than or equal to 8 5 ° C, time of 0.5h-lh; 4), and dried: temperature rise rate of 3-4 ° C per hour, in 85 150 ° C range for the other stack stepwise heating; 5), the end of processing: monitoring down when dry wood moisture content from 2% final moisture content, drying is stopped, to restore a normal pressure, the drying chamber to adjust the overall timber ambient temperature and ambient humidity of the ambient temperature was raised to 60 V, raised to 10% humidity, and maintained the ambient temperature and ambient humidity conditions; 6), the temperature lowering process: after the completion of treatment, the wood drying chamber to adjust the overall ambient temperature, ambient temperature drop to 50 ° C, 10% humidity environment, and protection 该环境温度和环境湿度条件; 7)、冷却:监测当木材含水率达到要求的终含水率时,结束步骤6),使木材自然冷却至普通室温后从木材干燥处理室内移出。 The ambient temperature and humidity conditions; 7), cooling: when monitoring the moisture content of wood to achieve the required final moisture content, the end of step 6), the wood naturally cooled to room temperature, after ordinary drying chamber is removed from the timber.
  2. 2.如权利要求1所述的木材干燥方法,其特征在于,所述步骤1)是在同一树种的木板或木方中挑选同种尺寸规格的木板或者木方。 2. Wood drying method according to claim 1, wherein said step 1) is selected sizes of the same kind of wood or a wooden board or in the same species of wood prescription.
  3. 3.如权利要求1所述的木材干燥方法,其特征在于,所述步骤2)中保持时间(h)与木板直径(cm)之比为1〜2h:1cm,但保持时间不超过50h。 3. Wood drying method according to claim 1, wherein, in the step 2) retention time (h) and the wood diameter (cm) ratio of 1~2h: 1cm, but the holding time is not more than 50h.
  4. 4.如权利要求1所述的木材干燥方法,其特征在于,所述步骤5)中终含水率为8%。 4. Wood drying method according to claim 1, wherein said step 5) a final water content of 8%.
  5. 5.如权利要求1所述的木材干燥方法,其特征在于,所述步骤5)中终了处理保持时间为12-15ho 5. Wood drying method according to claim 1, wherein said step 5) the end of the processing time is kept 12-15ho
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CN106643012A (en) * 2016-12-30 2017-05-10 德清华梦木制品有限公司 Special drying method for small-diameter timbers
CN107036394A (en) * 2017-05-04 2017-08-11 四川农业大学 Vacuum drying method for phoebe zhennan board

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CN106369938A (en) * 2016-11-07 2017-02-01 广西南宁侨盛木业有限责任公司 Drying method for fast-growing eucalyptus sawn timber
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